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SERVICE MANUAL

PDM-16

Stereo Preamp Mixer

CONTENT'S:
Connections & Operations:.......................................................Page 2-5 Specifications:..............................................................................Page 5 Parts Lists:.................................................................................Page 5-7 PCBs:........................................................................................Page 8-10 Schematics:.................................................................................Page 11

Gemini Sound Products Corp. 120 Clover Place P.O. Box 6928 Edison, NJ 08818-6928 732-738-9003 (Phone) 732-738-9006 (Fax)
Page 1

8

22

1 21 28

2 30 11 13 15 23

29

9

3 20 20 20 20

31

Page 2
12 14 16 18 19

32 24 33

4

10

5

6 34 25 25 25 26 25 25 25 27 35

7

17

53

52

Page 3
37 37 38 39 40 41 42 38 39 40 41 42 43 43

45 45

46 46

48 48

49 49 51

36

44

47

50

Connections
1. Before plugging in the power cord, make sure that the VOLTAGE SELECTOR (36) switch is set to the correct voltage. NOTE: NOTE This product is double insulated and not intended to be grounded. 2. Make sure that the POWER (29) switch is in the off position. The POWER LED (30) will be off. 3. The PDM-16 is supplied with 3 sets of amp output jacks. The MAIN OUTPUT (37) jacks are unbalanced and used to connect to your main amplifier. The REC OUTPUT (39) jacks can be used to connect the mixer to the record input of your recorder enabling you to record your mix. The BOOTH OUTPUT (38) jacks allow you to hook up an additional amplifier. 4. The MIC 1 (1) input (found on the front panel) accepts a 1/4" or XLR connector. The MIC 2 (51) input (found on the rear panel) accepts 1/4" connectors. All accept balanced and unbalanced microphones. 5. On the rear panel are 3 stereo PHONO/LINE (43, 46, 49) inputs and 5 stereo LINE (40, 41, 42, 45, 48) inputs. The PHONO/LINE SWITCH (44) enables you to set the (43) input to Phono or Line. The PHONO/ LINE SWITCH (47) enables you to set the (46) input to Phono or Line. The PHONO/LINE SWITCH (50) enables you to set the (49) input to Phono or Line. The phono inputs will accept only turntables with a magnetic cartridge. A GROUND SCREW (52) for you to ground your turntables is located on the rear panel. The stereo line inputs will accept any line level input such as a CD player, a cassette player, etc. 6. Headphones can be plugged into the front panel mounted HEADPHONE (35) jack. 7. The PDM-16 comes with a front panel BNC LIGHT (28) jack. This jack is for use with a gooseneck light like the Gemini GNL-700.

4. CHANNEL 3: Switch # (13) allows you to select the PHONO 3/LINE 5 (43) or the LINE 6 (42) input. The CHANNEL SLIDE (14) controls the input level of this channel. 5. CHANNEL 4: Switch # (15) allows you to select the LINE 7 (41) or the LINE 8 (40) input. The CHANNEL SLIDE (16) controls the input level of this channel. 6. CROSSFADER SECTION: The CROSSFADER (18) allows the mixing of one source into another. The PDM-16 features an assignable crossfader. The ASSIGN (17, 19) switches allow you to select which channel will play through each side of the crossfader. The ASSIGN (17) switch has 5 settings (OFF, 1, 2, 3 or 4) and allows you to select channel 1, 2, 3 or 4 to play through the left side of the crossfader. The ASSIGN (19) switch has 5 settings (OFF, 1, 2, 3 or 4) and allows you to select channel 1, 2, 3 or 4 to play through the right side of the crossfader. With the ASSIGN switch in the off position, that side of the crossfader will be inactive. The CROSSFADER (18) in your unit is removable and if the need arises can be easily replaced. Crossfader units are available in three varieties. Part # RF-45 (which is identical to the crossfader supplied with the mixer) has a 45 mm travel from side to side. Part # RF-30 is available with a 30 mm travel distance. Also available is the PSF-45 with a special curve designed for scratch mixing. Just purchase one of these crossfader units from your Gemini dealer and follow these instructions: 1. Unscrew the outside FADER PLATE SCREWS (B). Do not touch the INSIDE SCREWS (C). 2. Carefully lift the fader and unplug the CABLE (D). 3. Plug the new fader into the cable and place it back in the mixer. 4. Screw the fader to the mixer.

Using the Ground Lift Switch
Depending on your system configuration, sometimes applying the ground will create a quieter signal path. Sometimes lifting the ground can eliminate ground loops and hum to create a quieter signal path. 1. With the mixer on, listen to the system in idle mode (no signal present) with the ground applied (the GROUND LIFT SWITCH (53) in the left position). 2. Then turn the power off before moving the GROUND LIFT SWITCH (53). Lift the ground by moving the GROUND LIFT SWITCH to the right, turn the power back on and listen to determine which position will provide a signal devoid of background noise and hum. Keep the GROUND LIFT SWITCH in the ground position if the noise level remains the same in either position. CAUTION: DO NOT TERMINATE THE AC GROUND ON THE POWER MIXER IN ANY WAY. TERMINATION OF THE AC GROUND CAN BE HAZARDOUS.

7. EQUALIZER SECTION: This unit features dual 7 band GRAPHIC EQUALIZERS (8, 22) to allow you to adjust the sound for any room. To activate the equalizer, press the EQ BUTTON (31) (the EQ LED will light). By adjusting any of the 7 left equalizer slide controls (8), you can cut or boost the tonal characteristics of the sound coming from the left speaker by 12 dB. By adjusting any of the 7 right equalizer slide controls (22), you can cut or boost the tonal characteristics of the sound coming from the right speaker by 12 dB. Deactivate the equalizer by pressing the EQ BUTTON (31) again (the EQ LED will turn off). 8. OUTPUT CONTROL SECTION: The level of the MAIN OUTPUT (37) is controlled by the MASTER (24) slide. Activating the MONO (23) button (the mono LED will light) makes the overall output mono. The BOOTH (32) control adjusts the level of the BOOTH OUTPUT (38). HINT: The BOOTH OUTPUT is used by some DJs to run monitor speakers in their DJ Booth. You can also use it as a second ZONE or AMP output. NOTE: NOTE The REC OUTPUT (39) has no level control. The level is set by the channel slides of the selected channel. The tonal qualities can be controlled by the equalizers. 9. TALKOVER SECTION: The purpose of the talkover section is to allow the program playing to be muted so that the mic can be heard above the music. The MIC/TALKOVER SWITCH (7) controls MIC 1 and MIC 2 and has three settings. When the MIC/TALKOVER SWITCH (7) is

Operation
1. POWER ON: Once you have made all the equipment connections to your mixer, press the POWER SWITCH (29). The power will turn on and the POWER LED (30) will glow RED. 2. CHANNEL 1: Switch # (9) allows you to select the PHONO 1/LINE 1 (49) or the LINE 2 (48) input. The CHANNEL SLIDE (10) controls the input level of this channel. 3. CHANNEL 2: Switch # (11) allows you to select the PHONO 2/LINE 3 (46) or the LINE 4 (45) input. The CHANNEL SLIDE (12) controls the input level of this channel.

Page 4

in the bottom position, MIC 1 and MIC 2 and talkover are off. When the MIC/TALKOVER SWITCH (7) is in the center position MIC 1 and MIC 2 are on, the MIC INDICATOR (6) will glow, but talkover is off. When the MIC/TALKOVER SWITCH (7) is in the top position, MIC 1 and MIC 2 and talkover will be on and the volume of all sources except the Mic inputs are lowered by 16 dB. The TREBLE (2) and BASS (3) controls allow you to fully adjust the tone of MIC 1 and MIC 2. MIC 1 LEVEL (5) controls the level of MIC 1. The MIC 2 LEVEL (4) controls the level of MIC 2. 10. CUE SECTION: By connecting a set of headphones to the HEADPHONE (35) jack, you can monitor any or all of the channels. Press the CUE ASSIGN (20) buttons for channels 1 - 4 to select the channel or channels to be monitored and their respective LED indicators will glow. Use the CUE LEVEL (34) control to adjust the cue volume without effecting the overall mix. By moving the CUE PGM PAN (33) control to the left you will be able to monitor the assigned cue signal. Moving the control to the right will monitor the PGM (program) output. Moving to the right will monitor the PGM (program) output. 11. DISPLAY: The DISPLAY (21) indicates the MASTER output left and right levels. 12. SOUND EFFECTS SECTION: Six different sound effects (UFO, TRON BLAST, SIREN, GAS, MACHINE GUN and EMERGENCY) may be added to your mix by depressing the SOUND EFFECTS CONTROL BUTTONS (25). The volume of the effects can be adjusted using the EFFECTS LEVEL CONTROL (27). The pitch of the effects can be increased or decreased using the EFFECTS SPEED CONTROL (26).

Parts Lists
Cabinet Parts and Packing
Item # 1 2 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 Description PANEL CONTROL PANEL REAR COVER BOTTOM BRACKET VR HOLDER X-FADER PROTECTOR PLATE FOR 115/230V SWITCH SOUND CONTROL KEY SWING LEVEL KNOB PUSH (SMALL) BUSHING FOR KNOB (SMALL) KNOB SLIDE (BIG) KNOB SLIDE KNOB ROTARY (ASSIGN) KNOB ROTARY (B) KNOB INLAY (BLACK) KNOB INLAY (GRAY) EQ VR INLAY TRIM VR INLAY PLATE HOLDER LED 3f LED(17mm) HOLDER LED HOLDER LED WASHER XLR PCB SPACER SUPPORT PAD FOOT BNC DUST PROOF CLOTH DUST PROOF CLOTH (KNOB-SWING) DUST PROOF CLOTH (VR) FADER DUST PROOF CLOTH GND SCREW PAN-HEAD MACHINE SCREW; PMS 2X4(B) FLAT-HEAD MACHINE SCREW; FMS 2X4 (Y) PAN-HEAD MACHINE SCREW; PMS 2.6X4(B) BAND-HEAD MACHINE SCREW; BMS 3X2X4 BAND-HEAD TAPPING SCREW/TWIN SCREW; BTS-2 3X8(AB) TWIN FLAT-HEAD TAPPING SCREW; FTS-3 3X6(AB) BAND-HEAD TAPPING SCREW; BTS-3 3X10(AB) BAND-HEAD TAPPING SCREW; BTS-3 3X6(AB) FLAT-HEAD TAPPING SCREW; FTS-3 3X12(AB) FLAT-HEAD TAPPING SCREW; FTS-3 3X12(Y) BAND-HEAD TAPPING SCREW; BTS-3 3X5(AB) BAND-HEAD TAPPING SCREW/TW-E; BTS-3/TW-E 3X6(AB) NUT/WASHER 3mm Part # 002-210 034-001 032-018 021-763 022-322 022-305 049-199 023-674 002-531 002-532 002-704 002-715 003-102 003-110 148-236 148-239 003-994 003-970 003-373 003-969 003-986 003-975 003-564 047-474 049-206 159-201 156-216 159-171 159-196 146-710 102-007 101-008 102-025 107-015 110-172A 111-043A 111-044A 111-046A 111-049A 111-050 111-051A 111-053A 131-081

Specifications
INPUTS: DJ Mic....................................................1.5mV 2Kohm balanced Phono.........................................................................3mV 47Kohm Line.......................................................................150 mV 27Kohm OUTPUTS: Amp/Booth......................................................0 dB 1V 400ohm Max..............................20V Peak to Peak Rec...........................................................................225mV 5Kohm MIC 1 & MIC 2: DJ Mic....................................................1.5mV 2Kohm balanced Bass...................................................................................... 12dB High....................................................................................... 12dB GENERAL: Frequency Response....................................20Hz - 20KHz +/- 2dB Distortion................................................................................0.02% S/N Ratio...............................................................better than 80dB Talkover Attenuation..............................................................-16dB Headphone Impedance.........................................................16ohm Power Source.............................................115/230V 50/60Hz 10W Dimensions................................................19"w x 4"h x 9"d Weight........................................................................10.17 lbs

Printed Circuit Boards
Item # 1 2 3 4 5 6 Description PRINTED CIRCUIT IN/OUT PRINTED CIRCUIT MAIN PRINTED CIRCUIT EFFECT PRINTED CIRCUIT FADER PRINTED CIRCUIT PHONES PRINTED CIRCUIT BOARD PDM-24S-1: BOARD PDM-24S-2: BOARD PDM-18-3: BOARD PDM-24S-4: BOARD PDM-18-5: BOARD PDM-18-6 Part # 262-044 262-045 262-047 262-046 262-048 262-049

Page 5

Parts Lists - PCB1 Input/Output
ICs
Item # 1 2 3 Designators IC1-4 IC6 IC7 Description INTEGRATED CIRCUIT NJM2068LD INTEGRATED CIRCUIT NJM7812FA INTEGRATED CIRCUIT NJM7912FA Part # 074-145 074-107 074-114

Transistors
Item # 1 2 Designators Q2-5 Q1 Description TRANSISTOR 2SC2878 TRANSISTOR 2SA1048 (2SA1317) Part # 076-095 076-104

Electrical Parts
Item # 1 2 3 4 5 6 Designators Description Part # 079-027 079-003 081-027 092-078 161-105 161-106 D3-8, D507, D508 RECTIFIER DIODE 1N4002 (1N4003,1N4004) D1, D2 SILICON DIODE 1N4148 SW1-3 SLIDE SWITCH 2P2C PH/LINE J1 PHONE JACK 6.3 J2-5 4P RCA JACK P=14mm J6 6P RCA JACK P=14mm

Parts Lists - PCB2 Main
ICs
Item # 1 2 3 4 Designators IC11 IC8-10 IC12 IC13-16 Description INTEGRATED CIRCUIT NJM4558LD(M5218AL,BA4558N) INTEGRATED CIRCUIT NJM2068LD INTEGRATED CIRCUIT M5229P INTEGRATED CIRCUIT LB1403N Part # 074-104 074-145 074-115 074-022

Electrical Parts
Item # 1 2 3 4 5 6 7 8 9 10 11 12 13 Designators SW4-7 SW9-10 SW12-15 SW8 VR1-4 VR7-13 A1 VR14-15 VR5-6 Red 3.15 Green 2.5x6.5 Yellow 2.5x6.5 Red 2.5x6.5 Description LEVER SW 4P2C P=18 PH/LN,LN/LN ROTARY SWITCH 1-2-5 L=17 FAD ASSIGN PUSH SWITCH 2P2C L=12.5 CUE,MONO SWITCH 4P2C L=12.5 SLIDE VR 45mm L=20 CH VOL MASTER 50KA2 SLIDE VR 30mm L=15 EQ 20KW C.C SLIDE VR 45mm L=20 FADER 100KB2 ROTARY VR 16f L=20 TREBLE,BASS 10KB C.C ROTARY VR 16f L=20 MIC LEVEL 10KA LIGHT EMITTING DIODE (RED) LIGHT EMITTING DIODE (GREEN) LIGHT EMITTING DIODE (YELLOW) LIGHT EMITTING DIODE (RED) Part # 082-019 082-028 083-069 083-097 072-035 072-107 072-081 071-101 071-159 080-091 080-079 080-080 080-078

Page 6

Parts Lists - PCB3 Phono

ICs
Item # 1 2 3 4 5 6 Designators IC18-20 IC26 IC25 IC17 IC21 IC22 Description INTEGRATED CIRCUIT NJM4558LD(M5218AL,BA4558N) INTEGRATED CIRCUIT NJM4556L INTEGRATED CIRCUIT NJM2068LD INTEGRATED CIRCUIT M5229P INTEGRATED CIRCUIT VM8080 INTEGRATED CIRCUIT GEMNI-01 Part # 074-104 074-113 074-145 074-115 074-141 074-140

Diodes
Item # 1 2 Designators D37 D10, D36, D40 Description ZENER DIODE 3.6V 1/2W LIGHT EMITTING DIODE (RED) 3.15f Part # 080-091

Electrical Parts
Item # 1 2 3 4 5 6 7 8 9 10 Designators J10 SW20 SW22 VR30 VR20-26 VR17 VR16 VR31 VR32 VR27 Description PHONE JACK 6.3f PUSH SWITCH 2P2C L=12.5 CUE,MONO PUSH SWITCH 4P2C L=12.5 EQ SLIDE VR 45mm L=20 CH VOL MASTER 50KA2 SLIDE VR 30mm L=15 EQ 20KW C.C ROTARY VR 16f L=20 CUE LEVEL 50KA2 ROTARY VR 16f L=20 VOLUME 50KA ROTARY VR 16f L=20 BOOTH 10KA2 ROTARY VR 16f L=20 CUE PGM 20KW2 ROTARY VR 16f L=20 SPEED 250KB2CC Part # 092-078 083-069 083-097 072-035 072-107 071-084 071-066 071-161 071-178 071-176

Page 7

Schematic

RR R246 12K -12 +12 -12 101 C219 R225 10 R226 10 R218 1K3 C183 47 R258 6K8 IC19A C161 4558 C173 22/16 C174 22/16 10/16 SW20A SW02 R257 7K5 R255 10K R252 4K7 C159 100/16 C220 101 IC25B C160 2068LD 10/16 R194 1K -12 MR 10/16 R203 4K7 X29 12K R247 +12 D36 LED SW20B SW02 50KA 4558 MR VR30B C162 R186 100K IC19B 50KA R185 100K C175 22/16 C176 22/16 ML ML +12 R227 10 R228 10 RL

-12 R9 30K 1% C11 C10 R10 1K 1% IC1A C9 10/16 R8 1K 1% C7 R6 101 30K 1% 2068LD C8 47/16 22/16 2 C6 47/16 3 VR5 R2 X1 C3 C4 10/16 R3 10/16 R1 1K 1% 2068LD IC1B 30K 1% C1 101 C2 22/16 R110 10K 10KA C12 1 101 X2 X14 -12 +12 R7 47 R5 47 R134 27K +12 R136 22 R135 22 47 IC8A C100 10/16 C115 47/16

C97 223

VR14 10KB

C98 223

MIC-2
VR6 R111 10K 10KA C101 47/16

C92

R141 1K

C99 221

R129 10K
R256 7K5 R213 10K R254 10K

C158 IC25A R253 4K7 100/16 2068LD 10/16 C157 R193 1K

MASTER
VR30A

MIC-2
J1

IC8B R140 1K3 C95 224 R109 1K8 C96 224 R139 VR15 10KB R159 20K 1K3

C145 SW8A

10/16

2068LD C114 47/16

2068LD 22/16

T.O.
T.O SW8B ON

R212 10K

MIC-1

1K 1%

R157 100K

-12 +12 R138 10 R137 10 -12 IC9A C144
R201 -12

R219 1K3

R259 6K8 C184 47 -12 C185 47 R204 4K7 IC20A +12 R229 10 R230 10

C5 R4 101 30K 1%

OFF

+12

C140 101 C104

D10 LED

MONO

+12 R199 4K7

PH1/L1
SW1A

-12 C18 47/16 R23 180 R20 8K2 C24 8 822 2 R21 1K C23 3 2068LD 10/16 C22 101 C15 101 10/16 C17 C20 822 R17 8K2 R18 47K 4 C21 47/16 C14 47/16 C25 10/16 X3 IC2B 2068LD R14 1K8 R11 180 C16 273 R15 100K C28 101 C29 101 C30 10/16 C27 10/16 -12 C35 47/16 R39 180 R36 8K2 C41 822 R38 100K C44 273 IC3A R37 R40 1K8 R85 C39 47/16 C32 47/16 C43 10/16 X4 IC3B 2068LD R30 1K8 R27 180 C38 822 R33 8K2 C34 273 R31 100K C46 101 C47 101 C48 10/16 C45 10/16 -12 C54 47/16 R55 180 R52 8K2 C60 822 R53 100K C62 273 IC4A R54 R56 1K8 R93 C57 47/16 C50 47/16 C61 10/16 X5 IC4B 2068LD R46 1K8 R43 180 C56 822 R49 8K2 C53 273 R47 100K C64 101 C65 101 C66 10/16 C63 10/16 SW6B 5 6 4 3L +12 R104 4K7 SW6D 11 12 10 R57 1K8 SW6C 8 9 7 X17 47K R96 47K LED SW14B 1 2 3 C55 10/16 R95 47K R94 47K R126 10K D32 LED 50KA 4L VR3B 3R R144 47K C109 10/16 SW14A SW6A 2 3 LED 50KA R125 10K VR3A 3L R145 47K +12 D21 R188 47 D22 +12 R51 47 R44 47 +12 7 SW4B 5 6 4 R101 4K7 SW4D 11 12 10 R41 1K8 SW4C 8 9 7 X15 47K R88 47K SW12B 10/16 C36 C37 10/16 R87 47K R86 47K R113 10K D9 LED 50KA VR1B 2R R146 1 47K D11 SW12A +12 SW4A 2 3 VR7 20KW 50KA R112 10K VR1A 2L R147 47K C125 471 C137 822 +12 R35 47 R28 47 +12 NF1 SW5B 5 6 4 R103 4K7 22/16 SW5D 11 12 10 R25 1K8 SW5C 8 9 7 X16 R22 100K C26 273 IC2A 1 R24 1K8 R89 47K R92 47K SW13B C19 10/16 R91 47K R90 47K R124 10K D31 LED 50KA C116 C119 22/16 VR2B 1R R148 47K 19 R151 10 R150 10 SW13A +12 -12 SW5A 2 3 R158 R123 10K VR2A 1L 50KA R149 47K 47/16 2068LD C105 IC9B +12 47/16 R19 47 R12 47

2068LD C117 22/16

22/16 R114 10K C118 22/16 R115 10K C146 SW8C X22

4K7

+12

R195 1K

SW1B

SW22C SW04

D40 LED

VR31A C163

BL 4558 R187 47K C177 22/16 C178 22/16

10/16

BOOTH
SW22B

10KA

J2A

22/16 C141 101

SW8D

SW04 VR31B C164 SW22A R189 47K IC20B BR 10/16 SW04 10KA 4558

R13 47K

PH1; L1

R16 1K C13 47/16

QUE
1

CH-1

100K R160 20K C103 10/16 R155 3K3 C136 471 17 14 13 12 16 20 18 15 11 +12 R106 4K7

D34

LED

EQUALIZER
C154 R216 10/16 10K R233 3K3 C187 471 C171 R222 10 10 22/16 C172 22/16

R196 1K

R205 4K7 C186 47

R122 10K

R26 1K8 J2B

L2

+12 -12

R223 16 19 17 15 14 13 12 20 18 11 C192 272 C196 563 10 NF5 IN6 IC17 M5229P

+VCC

GND

-VCC

OUT

NF7

N INP

P INP

NF6

IN7

IN6

+VCC

GND

-VCC

OUT

NF7

P INP

SW2A

IC12 M5229P

NF2

NF3

NF4

SW2B

NF5

IN1

IN2

IN3

IN4

IN5

NF1

NF2

NF3

NF4 8 C193 682 C203 124

IN1

IN2

IN3

IN4

IN7

PH-2/L3

N INP

10

1

2

3

4

5

6

7

8

9

1

2

3

4

5

6

7

J3A

1K C42 101 C33 101

2068LD C40 10/16 R34 47K

C127 821 C138 183

C128 272 C139 563

C129 682 C126 124

C130 123 C132 0.47/16

C131 124 C133 2.2/16

C135 393 C134 1/16 C102 10/16
C195 124 C204 2.2/16 C198 393 C199 1/16 C194 123 C205 0,47/16 C188 471 C179 822 C191 821 C197 183

9

IN5

NF6

R29 47K

ECHO
SW21B

PH-2; L3

VR8 20KW

VR13 20KW

VR9 20KW

VR10 20KW

VR11 20KW

VR12 20KW

R32 1L C31 47/16

R156 3K3
VR20 20KW R234 C153 10/16 VR21 20KW VR22 20KW VR23 20KW VR24 20KW VR26 20KW VR25 20KW

QUE
1

CH-2
R152 47 D12 D13 D14 D15 R174 47 LED 2 LED 3 LED 4 LED 6 LED 9 1 IC13 R173 47 LED 2 LED 3 LED 4 LED 6 LED 9 22/16 IC14 D16 D17 D18 D19 D20 C124
R210 36K R207 36K R208 10K 3K3

SW02

J3B R42 1K8

SW21A SW02 D35 LED C190 153 C218 104 R184 100K R217 100K R121 100K C208 222 R130 100K C210 47 R179 100K +12 R107 47 C216 123 R235 8K2 C189 332 R181 10/16 4558 100K C211 331 R102 47 47/16 -12 R180 100K C209 C91 472 C120 R133 1K 10KB 47/16 R132 100K R131 100K 500KB VR29 R244 180K C182 681 IC23 1 2 3 4 5 6 7 8 9 10 11 12 BIAS VDD IN CASB PREO A8 OUT DATA SEL WRB OSC1 RASB OSC2 A0 OSC3 A1 OSC4 A2 VSS A3 A6 A4 A7 A5 HT8955 24 23 22 21 20 19 18 17 16 15 14 13 4558 1/16 -12 IC18B C202 18K R240 180K C215 100/16 R211 +12 R245 330/0.5 D38 5V C217 104 R224 10 R202 4K7

L4

PH-3/L5
SW3A

X20 LB1403N LB1403N R167 160K -12 +12 C107

X31

5

8

7

5

8

SW3B C106 10/16 R116 10K R161 100K

R165 120K

-12 +12 ML

R209 10K

C156 10/16

C108 10/16

R117 10K

R169 8K2

J4A

C59 10/16 C58 101 C51 101 10/16 C52 R50 47K

D23

D24

D25

R172 47

R171 47

D26

D27

D28

D29

D30 C123 22/16 IC16

REPEAT

LEVEL

C155

IC18A

R45 47K

LED 4

LED 6

LED 9 1 IC15

LED 2

LED 3

LED 4

LED 6

LED 9

VR18 10KB

VR19

PH-3; L5

R48 1K C49 47/16

QUE
1

CH-3

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

VCC

MR

IC24 A0 A1 A2 A3 A4 A5 A6 A7 A8 RAS CAS WE 41256

8

1K

2068LD

4.7/16

Q D

14 2

DELAY

7

5

8

7

5

J4B R58 1K8

L6

R118 10K

R162 100K

R166 120K

8

LB1403N

LB1403N

C111 10/16

R119 10K

R170 8K2

R168 160K

C110 4.7/16

GND

+V IND
+12 SW23 SW24 SW25 SW26 SW27 SW28 SW-PBSW-PBSW-PBSW-PBSW-PBSW-PB

SW9A R127 10K R97 J5A R60 1K8 C69 101 C68 101 47K R100 X6 10/16 SW15B C67 2 1 10/16 R99 SW7C 8 J5B R62 1K8 C72 101 C73 101 7 C74 10/16 11 10 R61 1K8 C71 10/16 5 4 R67 J6A 47K R68 8K2 +12 C77 2L SW7B 6 R105 4K7 4L 3L SW10A SW7D 12 9 47K R98 47K R128 10K D33 LED 50KA VR4B 4R R142 47K 2R X24 1R SW15A 4R 3R SW10B 2 1R 1 SW7A 3 X18 47K 3R SW9B 2 3 VR4A 4L 50KA R143 47K 4R 1 1L X19

X-FAD. ASSIGN
2L

A
X30

D37 3.6V

C207 C206 4.7/16 153

R191 1K

R190 1K

16

GND

X44 +5

CROSS FADER
1 2 3 4 5 6 7 8 9 R236

C70

IC21 VM8080 NC3 VSS VDD NC2 NC1 LH OUT OSC2 OUT OSC1 KEY8 KEY1 KEY7 KEY2 KEY6 KEY3 KEY5 KEY4 18 17 16 15 14 13 12 11 10

L7

X27

R59 1K8

QUE

CH-4

2R

100KB R87A

R87B 3 PLUG06

100KB
C201 1/16 R237 10K

47K

R238 300K VR27A 250KB 10 9 8 7 6 5 4 3 2 1 TG4 TG5 TG2 TG3 VSS IND1 TG1 HT-82200 IC22 R239 47K

L8

R192 VDD TG8 IND2 TG7 TG6 AUD 3K3

OSC1 OSC2

X-FAD. ASSIGN

B
-12 C167 10/16 R220 1K R261 68K IC26A C165 4556 10/16 50KA R242 33K R215 R249 18K R251 18K VR32B 20KW 10/16 50KA C170 10/16 R243 33K R250 18K C168 10/16 4556 VR17B C166 R182 100K C180 470/16 C221 39 +12

C212 R197 682 1K

1L 10/16 C76 R175 10/16 R65 47K -12 R85 2M2 2SC2878 Q3 R75 5K1 C148 X7 100/16 2068LD C121 22/16 22/16 C122 22/16 IC10A C151 R177 27K C113 10/16 47K -12 +12 R154 10 R153 10 X21 C93 47 R163 47K C147 1 22/16 2
2 1 X28 R214 10K R248 18K VR32A 20KW

R63 8K2

CUE LEVEL
VR17A

R231 10 R232 10

OUT REC.

R108 47

C142 47

CUE\PGM

R74 47K J6B C80 22/16 C79 22/16 R72 47K

C181 470/16

C213 222

X26

X34 1 3 2 1 J10

R76 180

R73 330 IC11A
BL

10K

R183 100K IC26B R120 47

C214 222

2 3

PHONEJACK2

4558 R70 180 R71 330 C149 100/16 2068LD 4558 R82 47K J6C C82 22/16 C81 22/16 R81 47K Q5 2SC2878 R83 5K1 R84 180 R80 330 47
X32

IC10B IC11B C150 22/16

BR RL RR

Q2 2SC2878

OUT BOOTH

R221 1K

R260 68K C222 39

R69

5K1

10/16 C169

C143 47 R176 47K

C152 22/16

R178 27K

C112 10/16

R164 47K C94

+V IND +12

GND -12
ML MR RL RR

X23 R78 180 R79 330 Q4 2SC2878 R64 1K R77 5K1 Q1 2SA1317 R66 560K C75 220/16 D2 1N4148 D1 1N4148 J7 SW18 F SW19 SW-SPST J9 2 LAMP D507 D508 1N4002 1N4002 2 1 C78 4,7/16 X28 X12 1 D7 D8 1N4002 1N4002 C86 470/16 5 4 3 2 1

X11

OUT AMP.

PLUG +12

T1

X8 IC6 1 X27 X? D4 1N4002 D6 1N4002 C89 470/25 D3 1N4002 C87 D5 1N4002 7812 Vin GND +12V 3

X30 +12 -12

+12

+12 4 3

059-166

AC 220/110 V
C141 J8 103

2

C84 4,7/16

2 1

PLUG SW 103 C88 C90 TR05 103 470/25 2 Vin IC7 7912 -12V 3 -12 1

GND

C85 4,7/16

-12

11 12 13 14 15 16 17 18 19 20

LEVEL

VR16 50KA

C200 1/16

VR27B 250KB

SPEED