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Bi-lingual

Authorized Technical Service Only


CAUTION /
These servicing instructions are for use by qualified personnel only. To reduce the risk of electric shock do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so. Refer all servicing to qualified service personnel.


Attention mark indicating critical components for safety. Replacement must be made with identical parts of special part number.

EXPLANATION OF SURFACE PARTS

Decoration Screw /2pcs. (630-0304-14) Washer /2pcs. (637-9045-04) Knob for INPUT (381-4405-04)

Front Arcylic (172-0133-03)

Meter (178-2034-00)

Knob for VOLUME (381-4406-04)

Push-button for POWER (388-5044-03) Power Push Switch (354-1024-00) Push-button for MONO,COMP,TONE (389-5077-13)

Push-button for ATT / MONO (389-5077-13)

Panel End-cap (132-0109-04)

Knob /SP,EXT,REC,BASS,TREBLE,BAL /6pcs. (384-1501-04)

Panel End-cap (132-0109-04)

Case (100-0058-12)

Front Panel Assembly Ass'y (130-0183-01)

Binding Screw /4pcs. (604-0408-00 Locked Washer /4pcs. 639-1041-02 Foot (238-0023-00) Head Phone Jack (302-1204-00) Head Phone Ass'y Ass'y (716-0710-00)

Bottom Plate (155-0079-12)

mark parts not supplied

1

8

3

7

4

9

Knob for INPUT (381-4405-04)

Knob for VOLUME (381-4406-04)

2 2 5 6
Knob for SP,EXT,REC,BAL, BASS,TREBLE (384-1501-04)

6

Head Phone Jack (302-1204-00)

1 2 3 Front Panel Assembly Ass'y (130-0183-01) 4

5

Front Panel=131-0183-01 Panel End Cap=132-0109-04 Front Arcylic=172-0133-03 Decoration Screw=630-0304-14 Washer =637-9045-04 Push-button=388-5044-03 /POWER Coil Spring=285-1016-04 Frame=113-0100-14 E-ring=647-1054-00

1pce. 2pcs. 2pcs. 2pcs. 2pcs. 1pce. 1pce.

6

7

8 9

Push-button=389-5077-13 /MONO,COMP,TONE Coil Spring=285-1023-04 Frame=113-0111-14 Lamp Assembly=723-0108-00 Ass'y Frame=170-0058-22 Knob Base=170-0039-03/INPUT Knob Base=170-0025-04/VOLUME

4pcs. 3pcs. 3pcs. 1pce. 1pce. 1pce. 1pce.

mark parts not supplied
Pin Jack /2pce. (302-0209-00)

Pin Jack /2pcs. (302-0411-00) Pin Jack Cover /12pcs. (254-2015-04) Decoration Plate (159-0059-14) Fixing Screw /2pcs. (630-0302-04) Foot (238-0023-00) Blnding B Screw B/4pcs. (611-0414-02)

Speaker Terminal SP (313-1019-00)

Rear Panel (135-0171-02)

XLR (Cannon) Receptacle /2pcs. (302-8011-00) Connector Cover / Female / 2pcs. (254-2012-00)

AC Outlet AC /J type only (305-1205-00)

AC Inlet AC (301-3304-00) Power Supply Cord J type:680-1204-00 U tyep:680-2401-00 E type:680-3402-00

Attention mark indicating critical components for safety. Replacement must be made with identical parts of special part number.




Power Transformer (510-3020-20)

IO Relay Assembly IO Ass'y (716-0706-00)

Protection Assembly Ass'y (720-0072-00) Connector Board Assembly Ass'y (716-0709-00) Power Amp Assembly Ass'y (717-0083-00)

Power Amp Assembly Ass'y (717-0083-00) Electrolytic Capacitor C001,002:22,000F/63V (CE621WG1J223YAQE)

Input Selector Assembly Ass'y (716-0708-00)

Logic Assembly Ass'y (721-0080-00)

Volume Assembly Ass'y (716-0715-00) Variable Resistor (575-2020-00)

Terminal (313-4082-00)

Metallized Film Capacitor MP C005:0.01F/250V (CF99MF2E103MR46) Protection Assembly Ass'y (720-0072-00) Power Amp Assembly Ass'y (717-0083-00) Diode /D001 (S10VB20) Selector LED Assembly LEDAss'y (723-0109-00) Power Switch Assembly Ass'y (716-0717-00) *Power Push Switch (354-1024-00) *Fuse T5A L AC250V /100-120V (310-1502-00) T2.5A L AC250V/220-240V (310-1204-00)

IO Relay Assembly IO Ass'y (716-0706-00) Posistor (412-0003-00) Connector Board Assembly Ass'y (716-0709-00)

Attenuator Assembly Ass'y (716-0707-00) Tone Volume Assembly Ass'y Tone Switch Assembly (716-0714-00) Ass'y (716-0713-00) Recorder Switch Assembly Ass'y (716-0716-00)

Attention mark indicating critical components for safety. Replacement must be made with identical parts of special part number.




Rotary Switch / S1 (339-0002-00) Input Selector Assembly Ass'y (716-0708-00) Selector LED Assembly LED Ass'y (723-0109-00)

Power Meter Tone Switch Assembly Ass'y (178-2034-00) Pilot Lamp (716-0713-00) (176-3502-00)

Variable Resistor /VR1:50k-A (575-2020-00) Volume Assembly Ass'y (716-0715-00) Head Phone Assembly Ass'y (716-0710-00) Head Phone Jack (302-1204-00)

Power Switch Assembly Ass'y (716-0717-00) Power Push Switch (354-1024-00) Foot Recorder Switch Assembly (238-0023-00) Ass'y (716-0716-00)

Tone Volume Assembly Ass'y (716-0714-00)

Attenuator Assembly Ass'y (716-0707-00) Push Swich (354-1218-00)

Knob Base /VOLUME (170-0025-04)

Lamp Aeembly Ass'y (723-0108-00)

Front Arcylic (172-0133-03) Position Indicator /5pcs. (173-1902-04)

Panel End Cap (132-0109-04)

Knob Base /INPUT (170-0039-03) Rubber Cussion (250-2079-04) Push Botton/ATT,MONO,COMP,TONE (389-5077-13) Push-Botton Frame (113-0111-14) Coil spring (285-1023-04) Push Botton/POWER (388-5044-03) Push-Botton Frame (113-0100-14) Coil spring (285-1016-04)

Attention mark indicating critical components for safety. Replacement must be made with identical parts of special part number.




MISCELLANEOUS
NO. Description() PC Board for IO Relay Assembly Attenuator Assembly Input Selctor Assembly Connector Board Assembly Tone Switch Assembly Tone Volume Assembly Volume Assembly Recorde Switch Assembly Power Amp Assembly Protection Assenbly Logic Assembly F1 Fuse T5A L AC250V T2.5A L AC250V Parts No.(No.) Remarks() NO. Description( ) Parts No.(No.) Remarks( ) 3×8mm() 2pcs. 3×8mm() 2pcs. 115-1591-00 115-1592-00 115-1593-00 115-1594-00 115-1601-00 115-1602-00 115-1603-00 115-1604-00 115-1607-00 115-1595-00 115-1605-00 310-1502-00 310-1204-00 575-2020-00 for 100-120V for 220-240V Volume Ass'y Screws for Front Panel / Binding Screw(top)/ 631-0047-10 Binding Screw(bottom)/ 631-0047-10 Case/ Binding Screw/ Locked Washer/ Bottom Plate/ Binding Noil Screw WHB Foot / Binding Screw /B Power Transformer/ Binding Noil Screw Option Panel / Decoration Bolt / Nylon Washer /

604-0408-00 639-1041-02 631-0054-00

4×8mm

4pcs. 4pcs.

3×10mm 11pcs.

611-0414-02 631-0030-00

4×14mm 4×8mm

4pcs. 4pcs.

VR1

Variable Resistor Electrolytic Capacitor Metalized Polyester Capacitor MP

C001,2

CE621WG1J223YAQE

22,000uF/63V

630-0302-04 637-9045-04

2pcs. 2pcs.

C005

CF99MF2E103MR46

0.01uF/250V Accessories Owner's Manual () () Caution Notes () () Front() Rear () Front() Rear () / Remote Commander /RC-23 Battery / Power Supply Cord (J type) (U,T type) (E type) for AC Cord for Remote for Manual for AC Cord Pin Jack Cover Connector Cover for female () 820-3230-00 820-0230-00 821-0011-00 821-0010-00 180-9230-00 859-1011-00 729-0023-10 Multi-lingual Japanese Multi-lingual Japanese RC-23

Packing Outer Carton Box() 800-0269-04 Material Inner Carton Box() 801-0172-04 Top Pad 803-0369-00 803-0370-00 Bottom Pad 803-0371-00 803-0372-00 Top Board Cover Accessories Case Cover Poly Bag Cord Cramper 803-0033-14

810-4843-04

569-0004-00 680-1204-00 680-2401-00 680-3402-00 254-2015-04 254-2012-00

R6/ UM-3 3 2-conductor 3-conductor 3-conductor 12pcs. 2pcs.

801-0250-20

810-4545-04 810-2030-04 810-2030-04 812-2435-04 280-0043-00

CD TUNER INPUT SELECTOR OPTION LINE LINE-BAL


VOLUME Control



Battery R6/UM-3 /3 (569-0004-00)

-

5

-

IO Relay Assembly (716-0706-00)
JK6 JK5 JK4 JK3 JK2 JK1

K6 K5 RELAY8 RELAY7 K4 Pin Jack XLR(Canon) Receptacle Connector Plug JK1 JK2,6 JK5 JK3,4 K1 K2 K3,6 K4 K5 IC1 D18 RELAY1 8 K3 IC1 K2 K1 RELAY3 RELAY4 RELAY2 L1

RELAY1

RELAY6 RELAY5 302-0412-00 302-0209-00 302-0411-00 302-8011-00 308-1010-00 308-0618-00 308-0407-00 308-0417-00 308-0508-00 UPC4570C MA165 362-1212-00

Choke Coil

507-1005-00 CE04W1C220VRE 22uF / 50V CE04W1E220KZEE 22uF / 25V CE04W1E220RF0 22uF / 25V CC14CH1H220JS CC92CH1H100F RD142CA104J RD142EA101J RD142CA123J RD142CA243J RD142CA221J RD142CA101J RN142CK1212F RN142EK2432F 22pF / 50V 10pF / 50V 100k 1/6W 100 12k 24k 220 24k 1/4W 1/6W 1/6W 1/6W 1/6W

Electrolytic Capacitor C1,2,10,12 C3,11 C6,7 Ceramic Capacitor C4,8 C5,9 R1,3,5,7,9,11, 1315,26 29,32 R2,4,6,8,10,12 R17,23 R18,24 R19,25 R30,31 R16,22 R20,21

IC Diode Relay

Carbon Film Resistor

Metal Film Resistor

12.1k 1/4W 24.3k 1/4W

Attenuator Assembly (716-0707-00)
PC Bord PC 115-1592-00 K1 K2 S1 R1,2 R3,4 309-3447-04 309-3446-04 354-1218-00 RD142CA513J RD142CA912J 51K 9.2k 1/6W 1/6W

S1

K2

Connector Ass'y Ass'y Push Switch

K1

Carbon Film Resistor

Input Selector Assembly (716-0708-00)
PC Bord PC 115-1593-00 K1 S1 309-3448-04 339-0002-00

K1 S1

Connector Assembly Ass'y Rotary Switch

Head Phone Assembly (716-0710-00)
PC Bord PC 115-1596-00 JK1 K1 302-1204-00 308-0311-00

JK1

K1

Head Phone Jack Connector Plug

6

F1 K2 C5
Diode D1 D2,3 F1 IC1 IC2 IC3 11EQS10 1SR139-400 310-8251-00 NJM79M12FA NJM78M12FA NJM78M05FA CE04W1E222CZE CE04W1H100CZE CE04W1E222KMQ CE04W0J101VRE CK92Y5V1H104Z RD142EA100JFS RD142EA240JFS RD142EA101J 2,200uF/25V 10uF / 50V 2,200uF/25V 100uF /6.3V 0.1uF / 50V 10 24 100 1/4W 1/4W 1/4W

K3 K4 K1

C1 IC1 K5 D1 IC2 IC3

IC Protector IC IC

C1 Electrolytic Capacitor C4,6 C5 C8 Ceramic Capacitor C2,3,7 R1,2 R3 R4,5

Connector jack Connector Plug

K1 K2 K3 K4 K5

307-3204-00 308-0206-00 308-0207-00 308-0606-00 308-0214-00

Carbon Film Resistor

K1

PC Bordo PC Connector Plag K1

115-1598-00 308-0412-00

K2 K1

K3 K4 S3 C1 S2 C2

Connector Plug Push Switch Polyester Film Capacitor Carbon Film Resistor

K1 K2 K3 S1 S2,3 C1,2 R1,2

308-0407-00 308-0508-00 308-0306-00 354-1412-00 354-1218-00 CF922N1H104JMMT RD142CA332J 0.1uF 50V

S1

3.3k 1/6W

K2 K3 K4 K1
Connector Plug K1 K2 K3 K4 VR1,2 VR3 308-1010-00 308-0417-00 308-0407-00 308-0206-00 575-2405-10 575-2312-10

Variable Resistor

VR3

VR2

VR1



K1 VR1

Connector Plug Variable Resistor

K1 K2 K3 VR1

308-0306-00 308-0417-00 308-0407-00 575-2020-00 50k

K2 K3

K1

C1 K2
Connector Plug K1 K2 S1 S2 S3 C1,2 308-0508-00 308-0306-00 336-3010-10 336-2007-00 336-4010-10 CQ922M2A103K-B 0.01uF/100V

C2

Rotary Switch Polyester Capcitor

S1

S2

S3

Power Switch Assembly (716-0717-00)

FH2 S1 FH1

PC Board PC Fuse Holde Push Switch FH1,2 S1

115-1606-00 306-2001-00 354-1024-00

Lamp Assembly (723-0108-00)
PC Board PC Pilot Lamp Connector Plug Infrared Ray Senser Electorlytic Capacitor Carbon Film Resisor PL1,2,3 K1 IC1 115-1599-00 176-7501-00 308-0530-00 NJL62H380A

IC1 C1 PL3 R2 PL1 PL2

K1

C1 R2

CE04W0J470MA RD142CA470J RS143DA680JS 47 1/6W 68 2W

R1

Oxide Metal Film Resistor R1

-



-

Power Amp Assembly (717-0083-00)

Q6

VR1 Q9 Q10 Q12 Q15 Q14 Q17 Q8 Q11 K2 Q13 TP1

Q3 Q2 Q1 Q5 R2 Q4 R51 Q20 Q19 Q18 Q21

Q7 R1 C3 IC1 K1 K3

Q16 C14 R52

PC Board PC Heat Sink Transistor Insulator Connector Plug K1 K2 K3 TP1 VR1 IC1 D1,10 D2,7,8,9 D3,4 D5,6 Q1 Q2 Q3 Q4,5 Q6 Q7 Q8,11,12,15 Q9,10,13,14 Q16 Q17 Q18 Q19 Q20,21 L1

115-1607-00 240-0085-03 250-1156-04 308-0411-00 308-0206-00 308-0212-00 308-0221-00 583-0134-00 UPC4570C 1SS81 1SR139-400 MA165 HZ153L 2SC4793 2SA1507-S/T 2SC4685 2SC2837-O/P/Y 2SA1145-Y 2SC2710-O/Y 2SC3478-K/U 2SA1376-K/U 2SA1150-O/Y 2SC2705-Y 2SA1837 2SC3902-S/T 2SA1186-O/P/Y 506-0008-00

Electorlytic Capacitor

C1,18 C3,14 C5,15 C7,12 C8 C10,11 C6,13

CE04W2A100VRE CE04W2A471VRE CE04W1C471VK CE04W1C101CZE CE04W1H100CZE CE04W1H100VPE CF922MF1H682J-B

10uF 470uF 470uF 100uF 10uF 10uF

/ / / / / /

100V 100V 160V 160V 50V 50V

Polyester Film Capacitor Polypropylene Capacitor

6,800pF /50V

C2,17 C4,16 C9

CQ922N2A102JAPSF 1,000pF /50V CQ922PG2J151KDAMGF 150pF / 630V CQ922N2A152JAPSF 1,500pF/100V RD142EA822J RD142EA302J RD142EA2R2J RD142EA102J RD142EA511J RD142EA471J RD142EA472J RD142EA220J RD142EA303J RD142EA222J RD142EA101J RD142EA753J RD142EA473J RD142EA363J RF142EA101G-P RF142EAR10J RF142EAR47J RN142EK1821F RN142EK39R2F RN142EK7680F RS143DA221JS-P RS143DA562JS-P RS143DA470JS-P RS143DA100JS-P RW993DJR22K-H 8.2k 3k 2.2 1k 510 470 4.7k 22 30k 2.2k 100 75k 47k 36k 100 1 4.7 1/4W 1/4W 1/4W 1/4W 1/4W 1/4W 1/4W 1/4W 1/4W 1/4W 1/4W 1/4W 1/4W 1/4W 1/4W 1/4W 1/4W

Potentiometer IC Diode Zener Diode

Carbon Film Resistor

R3,4,50,51 R5 R6,54 R10,46 R11 R12,25,45 R13,44 R17,19,21,23 33,34,39,41 R18,22,31,40 R20,43 R24,35 R27,37 R30 R32 R8,49 R9,47 R42 R26,28 R29 R36 R7,48 R14,38 R15 R16 R1,2,52,53

Transistor

Fuse Resistor Metal Film Resistor Oxide Metal Film Resistor Metal Plate Resistor

1.82k 1/4W 39k 1/4W 768 1/4W 220 5.6k 470 10 0.22 2W 2W 2W 2W 2W

Choke Coil

-



-

Protction Assembly (720-0072-00)

K6 K3

K5

K4 R9

C5 R20

RELAY1 VR2 VR1 R8 R19

R10 IC2 C3 C7 K2 RELAY2

R7 R23

K1

RELAY3

C4 C6

IC1

PC Board PC Connector Plug K2 K3 K4 K5 K6 K1 RELAY1,2 RELAY3 VR1,2 IC1 IC2 D1 D2,3,4

115-1595-00 308-0410-00 308-0707-00 308-0306-00 308-0508-00 308-0206-00 313-1019-00 362-3204-10 362-2232-00 583-0524-00 TA7318P-2 UPC1237HA MA165 MA167

Electorlytic Capacitor Ceramic Capacitor Polyester Film Capacitor / Polypropylene Capacitor

C3 C4 C5 C9 C1,2 C8 C6,7

CE04W0J221VRE CE04W1V4R7VRE CE04W0J101VRE CC14CH1H102JS CF922N1H334J CQ922M1H223J-B CQ922N2A223JAPSF

220uF /6.3V 4.7uF / 35V 100uF /6.3V 1,000pF/50V 0.33uFF/50V 0.022uF/50V 0.022uF/100V

Output Terminal Relay Potentiometer IC Diode

Carbon Film Resistor

R1,2 R3,4 R5,6 R11 R12,13,16 R14 R15 R21,25 R26 R7,8 R9,10 R19,20 R23

RD142EA101J RD142EA475J RD142EA273J RD142EA333J RD142EA473J RD142HA183JFS RD142EA243J RD142EA331J RD142EA104J RS143DA362JS-P RS143FA221JS-P RS143DA100JS-P RS143AA392JS-P

100 4.7M 27k 33k 47k 18k 24k 330 100k 3.6k 220 10 3.9k

1/4W 1/4W 1/4W 1/4W 1/4W 1/4W 1/4W 1/4W 1/4W 2W 3W 2W 1W

Oxide Metal Film Resistor

Selctor LED Assembly (723-0109-00)
D2 D3 D4 K1 D1 D5
PC Board PC LED Spacer LED Connector Ass'y Ass'y LED K1 D1,2,3,4,5 115-1600-00

250-1119-00 309-2667-04 SEL2610C

-

10

-

Logic Assembly (721-0080-00)

K1

K2

K4

K5 K7 K9 IC4

IC5 Q1 IC7

IC6

IC9

IC11 IC2 XTAL1 IC1 IC3 IC8

IC10

K3

C10

K6 K8 F1 C11

K10

K11

Connector Plug

K1,7,9 K2 K3 K4 K5 K6 K8 K10 K11 F1 XTAL1 D1,2 D3 IC1 (TMP87C800N-3G73) IC2 IC3 IC4 IC5 IC6,7,8,9 IC10 IC11 Q1

308-0407-00 308-0606-00 308-1014-00 308-0508-00 308-0206-00 308-0809-00 308-0213-00 308-1511-00 308-0609-00 310-8251-00 527-0012-00 MA165 1SR139-400 426-0038-20 N93C46-WBN6P TD62003AP LB1642B NJM78M05FA UPC4570C TC74VHC14F/EL TC74HC595AF/EL 2SC3902-S/T CE04W1C101VRE CE04W1V470VK CE04W1H220VK CE04W1E222VK CE04W1E471VK CE04W1H2R2VK CE04W0J101VRE CE04W1E100ROA CE04W1H100VRE CE04W1H220KZEE CE04W1H4R7VK 100uF /16V 47uF /35V 22uF /50V 2.2kuF/25V 470uF /25V 2.2uF /50V 100uF /6.3V 10uF / 25V 10uF / 50V 22uF / 50V 4.7uF /50V

Ceramic Capacitor

C3,4,5,6,7 CK92Y5V1H104Z C15,22,28,35 CC14CH1H101JS CF922N1H104JMMT

0.1uF/50V 100pF/50V 0.1uF /50V 0.023uF/50V 330pF / 50V 100pF / 50V 1M 1k 47k 900 4.7k 1.5k 100 1/4W 1/4W 1/6W 1/6W 1/6W 1/4W 1/6W

Polyester Film Capacitor C1 Polyester Capacitor

C13,26 CQ922M1H223J-B C17,23,30,36 CQ922M1H331K-B C19,32 CQ922M1H101K-B R1,2 R3,9,19,41 R4,5,6 R7 R10 R12 R13,25,32,36 47,54,58 R14 R15 R16,23,31,38 46,53 R17,39 R18,40 R20,21,29,43 44,51 R22,45 R24,42 R27,34,49,56 R28,50 R35,57 R37,59 RA1 RA2 R26,33,48,55 R30,52 R8 R11 RD142CA105J RD142CA102J RD142CA473J RD142CA911J RD142CA472J RD142EA152JFS RD142CA101J

IC Protector IC Crystal Diode

Carbon Film Resistor

IC

RD142EA100JFS 10 1/4W RD142CA332J 3.2k 1/6W RD142CA272J 2.7k 1/6W RD142CA152J RD142CA162J RD142CA562J RD142CA240J RD142CA393J RD142CA471J RD142CA103J RD142CA104J RD142CA510J 1.5k 1/6W 1.6k 1/6W 5.6k 1/6W 24 39k 470 10k 100k 51 1/6W 1/6W 1/6W 1/6W 1/6W 1/6W

Transistor

C2 C8 Electorlytic Capacitor C9 C10 C11 C12,25 C14,27 C16 C18,20,31,33 C21,34 C24,37

Resistor Array Metal Film Resistor

RD92AK06C473J18 RD92AK07C473J18 RN142CK1961F RN142CK5491F 1.96k1/6W 5.49k1/6W 12 /3W 33/3W

Oxide Metal Film Resistor

RS143FA120JS-P RS143FA330JS-P

-

11

-

Notes.

1. Internal input resistance of volt-ohm meter should be higher than 10k-ohms. 10k 2. Adjustments should be made in case of the PC Board or Transistors being changed. PC 3. Afer feeding 110watts output for about 15 minutes,check bias adjustments again. 110
ADJUST ITEM
PROCEDURE CONNECTING POINT TEST EQ'PT

STEP

ADJUST

REMARKS



Bias Current of L ch.Power Amp Lch.

V.O. Meter set range to less than DC 0.3V DC 0.3V

Power Amp Assembly Ass'y (717-0083-00) Test Point Pin , and

VR1 for Lch. VR1 for Rch.

Adjust for "4mV" reading of V.O. meter "4mV"



Bias Current of R ch.Power Amp Rch.



VTVM Peak-0dB Calibration for Lch. Input:1kHz Sine Wave Lch.0dB :1kHz

VR1 Speaker Terminal VR2

Adjust input signal so that VTVM reads 26.8V.Then adjust VR1 and VR2 so that Meter reads 0dB. VTVM26.8V 0dB VR1,2



Peak-0dB Calibration Load :None for Rch. Rch.0dB

/0dB for Lch.

/0dB for Rch.

Protection Assembly Ass'y (720-0072-00)

Bias Current Rch. Power Amp Assembly Ass'y (717-0083-00)

Test Point

Lch. Power Amp Assembly Ass'y (717-0083-00) Bias Current Test Point

-

12

-

The unit can be used with differnt voltage of 100V,120V,230V. (Use the Japanese domestic model at 100V only, and never change the voltage in Japan.) Refer the photo and illustration for the wiring on the junction terminal as shown below, and have to select the correct fuse and power supply cord. 100V120V230V 100V
Photo is shown Japanese model wiring.



Voltage Selector

Power Switch Ass'y (716-0717-00) Ass'y

Type/ Voltage / D,U,T/100-120V E,K / 220-240V

Description T5A L250V

Part No. 310-1502-00

1 100V WHT.GRY 120V WHT.GRY 220V WHT 230/240V WHT

2() VIO

3 YEL BRN YEL.GRY YEL.GRY

4() BRN.RED YEL.ORG RED ORG

5 ORG RED ORG RED

6 BRN BRN

T2.5A L250V 310-1204-00

STEP
WHT BLU BRN Power Sw. Ass'y AC100V only
N L

8 7 6 5

510-3020-20 ORG RED BLK RED RED GRY YEL BRN WHT BLU BLK GRN YEL BLK BLK

716-0717

K1 K2 K3

305-1205-00 !
BRN
N L E ) N ( W

4 C005 10n 3 2 1 BLK VOLTAGE SELECTOR

! Fuse :
T2.5A L 250V at 220-240V T5A L 250V at 100-120V

! 301-3304-00 !
( W )

VIO

Remove the Bottom Plate. Set the connector position of Voltage Selector Ass'y for required proper voltage. And re-solder is carried out. Ass'y () The fuse of a proper value is used. The AC Cable which suits voltage is used.

Attention mark indicating critical components for safety. Replacement must be made with identical parts of special part number.


N

Type / 100V 120V 220V 230/240V (D) (U,T) (K) (E)

Fuse / -
Description Part No.

Power Supply Cord AC
Part No.

T5A L 250V T5A L 250V T2.5A L 250V T2.5AlL 250V

310-1502-00 310-1502-00 310-1204-00 310-1204-00

680-1204-00 680-2401-00 680-3402-00 680-3402-00

-

13

-

Poly Bag (810-4545-04) Top Board (803-0033-14)

Accessories Case (801-0250-20)

Poly Bag for AC cord / (812-2030-04) Poly Bag for Owner's Manualt / (812-2435-04)

Top Pad(R) (R) (803-0370-00)

Top Pad(F) (F) (803-0369-00)

Cover (801-4843-04)

Poly Bag for Battery / (812-0507-00) Remote Commander RC-23 (729-0023-10)

Bottom Pad(R) (R) (803-0372-00)

Bottom Pad(F) (F) (803-0371-00)

Poly Bag (812-2030-04)

Inner Carton Box (801-0172-04)

Accessories/ Manual Caution Notes
() ()

Power Supply Cord Remote Commander

Outer Carton Box (800-0269-04)

-

14

-

E-213 MASTER CIRCUIT DIAGRAM
Volume Ass'y K3 K2 + K1 716-0715 RED BLK Connector board Ass'y K5 K1 K3 716-0709 K2 K4 Option Board

Att. Ass'y K2 K1

Input selector Ass'y K1

716-0707 Logic Ass'y K8 716-0714 K1 K4 K7 K9 K6 K2 K11 File Name K10 K5

716-0708 Power amp Ass'y Lch POSITIVE THERMISTOR 421-0003-00

Tone Volume Ass'y K4 K3 K2 K1 I/O Relay Ass'y K1 K2 K3 716-0706 K5 K4 K6 K3 716-0713 K2 K1 Tone Switch Ass'y K4

Lamp Ass'y K1 723-0108

K1 717-0083 K2 K3 Power amp Ass'y Rch Protection Ass'y 720-0072 K2 K5 K6 K3 K4

K3 721-0080

Selector LED Ass'y K1 723-0109 Meter Ass'y Lch K1 716-0712

K1 717-0083 K2 K3

Power Sw. Ass'y K1 K2 K3

AC100V only

L N

N(W)

L E N

N(W)

1 5 ! Fuse :

Recorder Switch Ass'y K1 K2 716-0716

Meter Ass'y Rch K1 716-0712

Head Phone Ass'y K1 716-0710

WHT BLU BRN

8 7 6 5

510-3020-20 RED ORG BLK RED RED GRY YEL BRN WHT BLU BLK C004 10n GRN YEL BLK BLK

WHT

305-1205-00 !
BRN

D001 S10VB20

C003 10n C001 223 /1J C002 223 /1J

RED

716-0717

4 C005 10n 3 2 1 BLK VOLTAGE SELECTOR 5 ORG RED ORG RED 6

T2.5A L 250V at 220-240V T5A L 250V at 100-120V

! 301-3304-00 !

BLK

VIO

VIO

100V 120V 220V 230/240V

1 WHT.GRY WHT.GRY WHT WHT

VOLTAGE SELECTION TABLE 2 3 4 YEL BRN.RED VIO BRN YEL.ORG VIO RED YEL.GRY VIO ORG YEL.GRY VIO

CAUTION

! Attention mark indicating critical components for safety.
BRN BRN

Replacement must be made with identical parts of specified part number.

I O R E L A Y A S S ' Y ( 7 1 6 - 0 7 0 6 - 0 0 )
to K5 of Connector Board

to K3 of Logic
OPTION SEL OPTION 1 LINE BAL TUNER CD LINE1 S/R REC OFF +13V EXT PRE 308-1010-00

EARTH EARTH NC EARTH EARTH 308-0508-00

308-0407-00

K1
10 9 8 7 6 5 4 3 2 1 6 5 4 3 2 1

K2

-12

+12

K3
1 2 3 4

K4

K5

5 4 3 2 1

1 2 3 4

/OPT S /OPT /BAL TUNER /CD /LINE S/R /REC +13V EXT

C6 22u 25V

/OPT S

OptR

C7 22u 25V

OptL

L1 507-1005-00

R L OptL +13V

TUNER

/LINE

/OPT OptR R

+13V

+13V

+13V

R +13V

+13V

R L +13V

D1 1 4 6 8

D2 1 4 6 8 MA165 16 13 11 9

D3 1 4 6 8

D4 1 4 6 8 16 13 11 9 C5 10p MA165

R19 C3

R13

R25 C11

R27

D5 1 4 6 8

D6 1 4 6 8 MA165 16 13 11 9

D7 1 4 6 8

+13V

/BAL L L

/REC R

D8 1 4 6 8 MA165 16 13 11 9

24.3kF

C9 10p

24.3kF

MA165

16 13 11 9

MA165

220 22u 50V 100k R20 1

220 22u 50V 100k R21 7

16 13 11 9

MA165

3 IC1A C2 12.1kF UPC4570C

2

C1 R18 24k

22u 16V R17 12k

C12 R24 24k

6

RELAY1 362-1212-00

RELAY2 362-1212-00

RELAY3 362-1212-00

RELAY4 362-1212-00

5 IC1B C10 12.1kF UPC4570C

+12

8

4

-12

16 13 11 9

MA165

16 13 11 9

RELAY5 362-1212-00 22u 16V R23 12k

RELAY6 362-1212-00

RELAY7 362-1212-00

RELAY8 362-1212-00

22u C4 22p 16V R16

R2 100R1 100k

R3 100k

R4 100

R6 100 R5 100k

R7 100k

R8 100

R10 100 R9 100k

R11 100k

R12 100

22u C8 22p 16V R22

R30 100 R29 100k

R32 100k

R31 100

R14

R15

R28

R26

100k

100k

100k

100k

2 3 1 1G

1A 1G 2G 1B 5G 2A 3G 4G 2B 6G

1A 1G 2G 1B 3G

2 3 1 1G

1A 1G 2G 1B 5G 2A 3G 4G 2B

JK1
RCH RCH RCH LCH LCH LCH 302-0412-00

JK2
302-0209-00 RCH

RCH

RCH

LCH

TUNER

CD

LINE

LINEBAL

REC IN

REC OUT

EXT PRE IN

RCH

LCH

LCH

LCH

JK3 302-8011-00

JK4 302-8011-00

JK5 302-0411-00

JK6 302-0209-00

1A 1G 2G 1B 3G

EXT

/CD

S/R

R L

R L

L

4 3 2 1

LCH GND GND RCH 308-0407-00

Opt_L GND Opt_R -12V +12V Option_sel

to K2 of Tone Vol
LCH GND GND RCH

308-0417-00 LCH GND GND RCH

to K4 of Connector Board
308-0618-00

to K6 of Protection

to K2 of Power

to K1 of Tone Sw.

K6

1 6 -

A T T E N U A T O R A S S ' Y ( 7 1 6 - 0 7 0 7 - 0 0 )
309-3446-04 Att-Lout GND GND Att-Rout

I N P U T S E L E C T O R A S S ' Y ( 7 1 6 - 0 7 0 8 - 0 0 )
to K1 of Logic
309-3448-04 SEL_A SEL_B SEL_C DGND

H E A D P H O N E A S S ' Y ( 7 1 6 - 0 7 1 0 - 0 0 )

M E T E R A S S ' Y ( 7 1 6 - 0 7 1 2 - 0 0 )
to K7or 9 of Logic
308-0412-00 metermeter+ lamp lamp

to K3 of Tone Vol
309-3447-04 Att-Lin GND GND Att-Rin

to K2 of Vol

K1

K1

K2

4 3 2 1

K1
308-0311-00 LOUT ROUT GND 4 5 6 7 8 9 16 15 S1 339-0002-00 1 2 3 4 1 2 3 4 1 2 3

JK1
R L G 302-1204-00

K1
1 2 3 4 PL1 L2 L1 M-M+

13

14

R1 51k

R3 9.1k

S1 354-1218-00 3 6 2 5 1 4 Att.

R4 9.1k

R2 51k

3 2 1 12 11 10

to K3 of Protection

178-2034-00

T O N E S W I T C H A S S ' Y ( 7 1 6 - 0 7 1 3 - 0 0 )
to K4 of Tone Vol 309-SAN-2P 308-0306-00 to K1 of Vol 308-0508-00 to K10 of Logic 308-0407-00
R LINE R TONE GND L TONE L LINE

C O N N E C T O R B O A R D A S S ' Y ( 7 1 6 - 0 7 0 9 - 0 0 )
to K6 of IO Relay
IC3 C7 100n I O G NJM78M05FA C8 100u 6.3V NJM78M12FA C4 10u 25V C6 10u 25V 1A 1B 2A 2B 3A 3B 4A 4B 5A 5B 6A 6B 7A 7B 8A 8B 9A 9B 10A 10B 11A 11B 12A 12B 13A 13B 14A 14B 15A 15B 16A 16B

K1 K5
308-0214-00 1 2 1SR139-400 D3

Lch GND Rch

Lch GND GND Rch

Lch Rch

K4

K3

K2

K1

1 2

1 2 3

1 2 3 4 5

1 2 3 4

from Power Trans
GND AC12V 308-0207-00 K3 2 1 1 F1 2 310-8251-00 R2 3.3k R1 3.3k S1 354-1412-00 6 12 5 11 4 10

C1 2200u C3 25V 100n 2200u C2 25V C5 100n D2 R3 1SR139-400 24

G

G

IC1 NJM79M12FA

10

to K11 of Logic

K2
-12V +12V

308-0206-00 1 2 R5 100

to K2 of IO Relay

S3 354-1218-00 3 2 1 MONO 6 5 4

C2
100n

S2 354-1218-00 3 6 2 5 1 4 COMP

C1
100n

3 2 1 TONE

9 8 7

308-0606-00 K4 OpT_L GND Opt_R -12V +12V Option_sel

1 2 3 4 5 6

R4 100

-12V -12V AGND AGND +12V +12V Rout Rout AGND AGND Lout Lout

307-3204-00

for OPTION

1 7 to K5 of IO Relay
GND GND Option_sel +5V +5V IC2 I O R2 10 D1 11EQS10 I O AGND AGND R1

T O N E V O L U M E A S S ' Y ( 7 1 6 - 0 7 1 4 - 0 0 )
to K3 of IO Relay to K4 of ToneSw 308-0417-00 308-0407-00 308-0206-00

V O L U M E A S S 'Y ( 7 1 6 - 0 7 1 5 - 0 0 )
LCH GND GND RCH

to K10 of Logic
308-1010-00
L MIN L TREBLE L BASS L MAX GND R MAX R BASS R TREBLE R MIN GND

to K1 of ATT.

balvolRout GND GND balvolLout

balvolLin GND GND balvolRin

to K11 of Logic

Lch Rch

4 3 2 1

K2

K3

K4

K1
10 9 8 7 6 5 4 3 2 1 4 3 2 1 4 3 2 1 1 2

308-0407-00 K3

to K2 of ATT.

RCH GND GND LCH

4 3 2 1

4B 1B 2B 3B

VR1 4A 3A 2A 1A

3 2 1

LTP GND RTP

to K3 of Tone Sw.

K1 308-0306-00

575-2020-00
50k

308-0417-00 K2

3B

4B 1B

2B

4B 1B

3B

R E C O R D E R S W I T C H A S S ' Y ( 7 1 6 - 0 7 1 6 - 0 0 )
2B
REC OFF SOURCE RECORDER

2B 1B

4A
VR1A 575-2405-10 50k

1B 2B 3B 4B

1B 2B 3B 4B

VR2A 575-2405-10 50k

1A

1A

3A

250k

C2
10n

BASS

TREBLE

5B

5B

P O W E R S W I T C H A S S ' Y ( 7 1 6 - 0 7 1 7 - 0 0 )
! S1 2 1H 2H
FH2 306-2001-00 354-1024-00

2A 3A 4A 5A

2A 3A 4A 5A

C1
10n

1 1A

S3A 336-4010-10 SPEAKERS

1A

EXT PRE

1A
K1

S2A 336-2007-00

1C 1B 1A

! FH1 306-2001-00

1A 1B 1C

!

1 2 3

BLK

K3

WHT

K2

BRN

K1

!

Attention mark indicating critical components for safety. Replacement must be made with identical parts of specified part number.

to K5 of Protection

EXT PRE DGND SW_RECON SW_RECORDER SW_RECOFF

K2

308-0306-00

ASP COM BSP

308-0508-00

1 2 3 4 5 to K6 of Logic

2A 3A 4A 5A
S1A 336-3010-10 RECORDER

5B

S3B 336-4010-10

S2B 336-2007-00

1B 2B 3B 4B
S1B 336-3010-10

2A

4A

2A

2A VR3A 575-2312-10

OFF A B A+B

3A

3A

OFF ON

1A

VR1B 575-2405-10 50k

VR2B 575-2405-10 50k

VR3B 575-2312-10
250k

3B

1 8 -

P O W E R A M P A S S ' Y ( 7 1 7 - 0 0 8 3 - 0 0 )
52.9V R7 2W 220 C3 470u 100V D2 1SR139-400 63.1V

R18 30k

Q8

2SC3478_ -K/U

R13 R12 R14 4.7k 470 5.6k 2W C2 1n

R10 1k Q6

R8 100G Q2

C4 150p

!
D1 1SS81

R9 0.1

C5 470u 16V

52.7V

2SA1376_

-K/U Q9

R19 22

R17 22

2SA1145_-Y

2SA1507_ -S/T

Q1 2SC4793_
R6 2.2 R3 8.2k

R24

15.4V

To K4 of IO Relay Ass'y

100 Q11

R28 1.82kF

Q5 2SC2837_ -O/P/Y
R4 8.2k

Q4

2SC2837_ 100V -O/P/Y

C1 10u

TP1
1 2 + 308-0221-00

2SC3478_ -K/U

UPC4570C 2SA1376_ -K/U
8 R36 768F 1

IC1A

C10 10u50V 2 3 3 4 R27 75k

K2
C8 10u 50V R32 36k R25 470 R30 47k C9 1.5n

R22 30k

R5 3k

D3 MA165 Q3

6.8n Q7 R20 2.2k 2SC2710_ -O/Y R15 47 2W R2 2W 0.22 R1 2W 0.22 L1 506-0008-00 R16 R43 2.2k C13 6.8n R51 8.2k R53 2W 0.22 R50 8.2k R52 2W 0.22 2W 10 1 2 3 4

K1
+52V OUT -52V GND 308-0411-00

1 IN 2 GND 308-0206-00

R11 510 C11 10u 50V 1

2SC4685_

Q16

2SA1150_ -O/Y

R29 39.2F D5 C7 100u 16V D6

HZ153L 6 7 5 R31 2SC3478_ -K/U 30k Q12 R33 22 C17 1n R44 R45 R38 4.7k 470 5.6k 2W

HZ153L

K3
D7 C18 10u 2SA1186_ 100V 1 2 GND AC48V 308-0212-00

-15.2V

IC1B UPC4570C

2SA1376_ R34 -K/U 22 Q13 R35 100 Q15 2SC3478_ -K/U R41 22 R40 30k

Q17

R54 2.2 Q19

2SC2705_ -Y

Q18 2SA1837_
D10 1SS81 R47 0.1 D9 1SR139-400 -63.2V

Q21 2SA1186_ -O/P/Y

Q20

1SR139-400 D8

!

R42 0.47

2SC3902_ -S/T
R46 1k R49 100G C14 470u 100V R48 2W 220

-O/P/Y

1SR139-400

-52.7V C15 470u 16V

R39 22

C16 150p -52.9V

!

Q14 2SA1376_ -K/U

!

Attention mark indicating critical components for safety. Replacement must be made with identical parts of specified part number.

To Power Transformer

C12 100u R37 16V 75k

2 D4 VR1 MA165 1k 583-0134-00

To K2 of Protection Ass'y

R23 22 Q10

R21 22

R26 1.82kF

C6

1 9 -

P R O T E C T I O N A S S ' Y ( 7 2 0 - 0 0 7 2 - 0 0 )

L A M P A S S ' Y ( 7 2 3 - 0 1 0 8 - 0 0 )
GND R-CH GND L-CH 308-0410-00

308-0707-00

To K1 of Headphone Ass'y
GND AC42V -55V L-HP R-HP HP GND +55V

To K5 of IOrelay Ass'y
308-0206-00 EARTH EARTH

Speaker Terminal
313-1019-00 308-0530-00

to K4 of Logic Ass'y
+5V RCON DGND AC0V AC11V PL1

SP A

SP B

K3
1 2 3 4 5 6 7

K6
1 2 4 3 2 1

K2

K1
LA LGA RA RGA LB LGB RB RGB

K1
1 2 3 4 5

R9

R10
RELAY1 362-3204-10 6 5 3 4 1 8 D2 MA167 RELAY2 362-3204-10 6 5 3 4 1 8 D3 MA167 R25 330

O G V G G

220 220 3.16W 3.16W

IC1 NJL62H380A
R2 47

IC1

TA7318P-2
R8 3.6k 2W R5 27k R6 27k

R1 176-7501-00 PL2 68 2W

G O1 H1 I1 VI2 H2 O2 V+

K4

1 2 3 4 5 6 7 8 9

10 C6

2W 22n

10 C7

2W 22n

1 2 3 4 5

R20

R19

PL3

To K6 of Logic Ass'y

308-0306-00 L-CH COM R-CH

1 2 3 3 1 R1 100 2 1 3 2 R2 100 RELAY3 362-2232-00 R7 3.6k 2W R12 47k R13 47k 9 11 13 16 D4 MA167 R23 3.9k 1W 8 6 4 1

R21 330

C1 47u 6.3V

176-7501-00

176-7501-00

R26 100k

OL CV LH AC G RD MT VC

1 2 3 4 5 6 7 8

308-0508-00

5 4 3 2 1

K5
TH. GND A-SP SP Common B-SP

K1
309-2667-04 COM LED1 LED2 LED3 LED4 LED5

To Thermistor

To K2 of Recording Sw. Ass'y

1 2 3 4 5 6

/LED1 /LED2 /LED3 /LED4 /LED5

2 0 -

VR1 C1 R3 R4 C2 VR2 470 330n 4.7M 4.7M 330n 470 583-0524-00 583-0524-00

R11 33k

S E L E C T O R L E D A S S 'Y ( 7 2 3 - 0 1 0 9 - 0 0 )

IC2

UPC1237HA

R14 R15 18k 24k 0.5W D1 MA165

D3 SEL2610C D2 SEL2610C

D4 SEL2610C

R16 47k C9 1n C3 220u 6.3V C8 C4 22n 4.7u 35V C5 100u 6.3V

D1 SEL2610C

D5 SEL2610C

to K2 of Logic Ass'y

L O G I C A S S 'Y ( 7 2 1 - 0 0 8 0 - 0 0 )
to K1 of Lamp Assy
308-0508-00 AC11V AC0V DGND REMO +5V

to K1 of Input Sel
DGND SEL_C SEL_B SEL_A 308-0407-00

to K1 of Meter/R to K1 of Recorder Sw to K1 of Meter/L to K1 of SelectorLED to K4 of Protection
AC10V AC COMMON META+ META308-0407-00 AC0V AC COMMON META+ META308-0407-00 METER R COMMON METER L REC OFF TAPE REC ON DGND EXT PRE 308-0809-00 308-0606-00 LEDCOM LED1 LED2 LED3 LED4 LED5

to Vol Assy
308-0206-00

K1

K4

K7

K9

K6

K2
R7

VRVR+ 2 1

K5

VCC 4 3 2 1 1 2 3 4 5 4 3 2 1 4 3 2 1 8 7 6 5 4 3 2 1 1 2 3 4 5 6 C23 330p R33 C15 100p R20 5.6k IC6B UPC4570C 6 7 5 R21 R23 5.6k 2.7k R17 1.5k C16 10u 25V R22 24 R30 5.49kF C14 100u 6.3V R19 1k C12 R18 2.2u 1.6k 50V C13 22n R16 2.7k C22 100p R29 5.6k IC6A +12V UPC4570C 2 8 1 3 R31 2.7k-12V 4 R28 10k

EXT_P

R8 12 3.16W

R1 1M

910 R11 3.16W 33

IC11 TC74HC595AF/EL
9 7 6 5 4 3 2 1 15

1.96kF +12V 2 R36 VCC 100 C19 C21 22u 50V 100p R35 100k 3 R34 470 -12V IC7A UPC4570C 4 C17 R10 4.7k 330p R26 1.96kF 8 1 R32 100

SW-ROFF SW-T1 SW-REC

IC4
H' H G F GAE SC D RK C SK B SI A

LB1642B

VCC RA2 47k RD92AK07C_18

VCC 5 6 7 8

IC2
GND DO ORG DI NC SK VCCCS

C4 100n

4 3 2 1 R4

R5 47k

R6 47k

/SEL C /SEL B /SEL A SCLK SDATA SCLK2

M93C46-WBN6P
47k

VCC VCC 6 5

VCC D1 MA165 R3 1k

/RCON

/SEL C /SEL B /SEL A

13 10 12 11 14

1 2 3 4 5 6 7 8 9 10

V1 V2 O2 I1 G1 G2 I2 O1 V3 V4

R37 51 C24 4.7u 50V

7 R25 100 R27 470 IC7B UPC4570C R24 39k

CS EEP SK EEP DI EEP DO EEP /RST

D2 R9 MA165

1k

XI G XO

C2 TC74VHC14F/EL TC74VHC14F/EL 100u 16V 9 IC10D8

1M

8

LED MUTE33 LED PASS 34 LED MIX 35 LED 6CH 36 LED EXT 37

38 39 40 41 42 43 44 45 46 47 48 /RCON 49 STS 0 50 STS 1 51 STS 2 52 STS 3 53 VASS 54 VAREF 55 TUNER 56 CD 57 LINE1 58 LINE2 59 T1/T2 60 S/T 61 REC OFF 62 PRE OUT 63 64

VCC R58 100 C32 C34 22u 50V 100p R57 100k

2 3 R56 470 -12V IC9A UPC4570C 4 C30 R48 330p

SW-EXT SW-ROFF SW-REC SW-T1 SW-T2

SW-EXT SW-ROFF SW-REC SW-T1 SW-T2

C6 100n

1 R54 100

7 5 R44 R46 5.6k 2.7k R39 1.5k C29 10u 25V R45 24

R41 1k C25 R40 2.2u 1.6k 50V C26 22n R38 2.7k

2 1 3 R53 R50 2.7k-12V 10k IC8A UPC4570C 4

VCC

1.96kF 1 F1 2 D3 VCC TC74VHC14F/EL

2SC3902_ -S/T +13V Q1
C10
R15 3.3k 1.5k 2200u 25V R12 R13 C8 101 C7 47u 35V 100n R14

8 7 6 5 4 3 2 1

CM GND O7 I7 O6 I6 O5 I5 O4 I4 O3 I3 O2 I2 O1 I1

310-8251-00 1SR139-400

IC5
G

10 I O C11

C5

C3

IC10A 1

IC3 TD62003AP

+12V C18 10u 50V

-12V C20 10u 50V +12V C31 10u 50V

6 5 R49 470 -12V C33 10u 50V

470u 25V NJM78M05FA

C9 22u 50V 100n 100n

7 R47 100 IC9B UPC4570C R42 39k

2

9 10 11 12 13 14 15 16

+13V

EXT_P
1 2 3 4 5 6 7 8 9 10 1 2 6 5 4 3 2 1

15 14 13 12 11 10 9 8 7 6 5 4 3 2 1

8

VCC

IC1

RA1 47k RD92AK06C_18

P30 GND P31 XO P32 XI P33 /RST P34 P22 P35 P21 P36 TEST P37 P20 P40 P17 P41 P16 P42 P15 P43 P14 P44 P13 P45 P12 P46 P11 P47 P10 P50 P07 P51 P06 P52 P05 P53 P04 P54 P03 P55 P02 P56 P01 P60 P00 P61 P77 P62 P76 P63 P75 P64 P74 P65 P73 P66 P72 P67 P71 VCC P70

TC74VHC14F/EL

C1TC74VHC14F/EL 100n XTAL1 527-0012-00 3.58MHz 1

TMP87PH00N

11

10 13

12

5

/SHUTDN /SEL C /SEL B /SEL A SCLK LAT LED SDATA SCLK2 VOL UP VOL DN

R2

IC10C IC10B TC74VHC14F/EL 36 4 3

VCC

HPOUT 6-CH OPTION2 UNB/BAL OPTION1 CDB/LB

IC10E

IC10F

32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1

C36 R55 330p

C28 100p R43 5.6k IC8B UPC4570C 6 R52 5.49kF C27 100u 6.3V

C35 100p R51 5.6k +12V

2

308-0213-00 K8 AC12V AC0V

OPTION1 SEL OPTION1 LINE BAL TUNER CD LINE-1 S/T REC-OFF +13V EXT PRE

RIN GND GND LIN -12V +12V

308-1014-00

308-0609-00

K3

to Transformer

to K1 of IO Relay

toVol K3

to K2 of Connector

L MIN L TREBLE L BASS L MAX GND R MAX R BASS R TREBLE R MIN GND L LINE L TONE GND R TONE R LINE 308-1511-00

2 1 -

1.96kF +12V

R59 51 C37 4.7u 50V

K11

K10

to K1 of Tone Vol

to K2 of ToneSw

- 22 -

SPECIFICATIONS
(both channels driven, 115 watts per channel 105 watts per channel 90 watts per channel 20-20,000Hz) into 4 ohms into 6 ohms into 8 ohms

[Guaranteed specifications measured according to EIA standard RS-490.]

115W/ch 105W/ch 90W/ch 0.04 0.01

2020,000Hz 4 6 8 2020,000Hz 416

(both channels driven, 20-20,000Hz) 0.04 ,with 4 to16-ohm load 0.01 POWER INPUT: 20-20,000Hz 0, -0.2dB (for rated continuous average output) 2-150,000Hz 0, -3.0dB (for 1 Watt output) HIGH LEVEL INPUT 20-20,000Hz 0, -0.2dB (for rated continuous average output) 100 (with 8-ohm load, 50Hz) Sensitivity Input For rated output For 1W output (EIA) HIGH LEVEL 213mV 22.5mV BALANCED 213mV 22.5mV MAIN INPUT 1.07V 113mV HIGH LEVEL INPUT POWER INPUT BASS : TREBLE : +6dB (200Hz) -20dB Input shorted (A weighting) Input S/N ratio at rated output HIGH LEVEL 110dB BALANCED 92dB MAIN INPUT 123dB Logarithmic compression,peak reading meters (Output dB / scale) 4-16 ohms Suitable impedance : 8-100 ohms AC120V/230V (Voltage as indicated on rear panel) 50/60Hz 43 watts idle 230 watts in accordance with IEC-60065 Width 475 mm Height 150 mm Depth 422 mm (18-11/16") (5-7/8") (16-5/8") EIA S/N 81dB 81dB 100dB Input impedance 20k 40k 20k

POWER INPUT :20 20,000Hz :2 150,000Hz (1W ) :20 20,000Hz : 2150,000Hz 100 (8

0 0

-0.2dB -0.2dB



HIGH LEVEL INPUT
0 0 -0.2dB -3./0dB

50Hz)

EIA(1W) HIGH LEVEL 213mV 22.5mV 20k BALANCED 213mV 22.5mV 40k MAIN INPUT 1.07V 113mV 20k HIGH LEVEL INPUT POWER INPUT : 300Hz : 3kHz OUTPUT : 42dB OUTPUT : 28dB

OUTPUT : 42dB OUTPUT : 28dB Turnover frequency and adjustment range 300Hz ±10dB (50Hz) 3kHz ±10dB (20kHz)

±10dB (50Hz) ±10dB (20kHz)

(Volume control setting -30dB)

6dB (200Hz) :VOLUME 30dB 20dB HIGH LEVEL BALANCED MAIN INPUT A- S/N 110dB 92dB 123dB EIA S/N 81dB 81dB 100dB

dB / 4 16 AC100V 43W 230W 345W 50/60Hz 8 8100

475mm×150mm×422mm 18.8kg DC3V 32 45mm×136mm×18mm 85g ()

18.8 kg (41.4 lbs) net 23.0 kg (50.7 lbs) in shipping carton Remote control principle: lnfrared pulse Power supply: 3VDC(IEC R6 batteries×2) Maximum dimensions: 45(W)×136(H)×18(D)mm Weight: 85g(including batteries)

ACCUPHASE LABORATORY INC. 2-14-10 SHIN-ISHIKAWA, AOBA-KU, YOKOHAMA, JAPAN

0306 861-3149-00 Printed in Japan