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SCHEMATIC DIAGRAM-1
NOTE: The number which noted at the connectors on the schematic diagram as "SCHEMATIC DIAGRAM-1" or "SCHEMATIC DIAGRAM-2" indicates the schematic diagram serial number located on the left corner in the schematic diagram.
A CD SERVO CIRCUIT
OPTICAL PICKUP
C701 6.3V33 R701 4.7
:POSITIVE VOLTAGE LINE
:CD PLAYBACK SIGNAL LINE
3.3V 5V 3.3V PLAY 0.8V P-P 0.5 0.2V/DIV. *s. (RF) TJ701 TP29 C716 820P C703 6.3V100 5V
0.1
Q701 2SA1037AKSTX
0.047 680P 680P 1 2 3 4 5 6 7 8 9 10 11 12 Vcc PDF PDE LD GND GND NB GND NA VREF LPD GND T+ TF+ F1 2 3 4 5 6 1K CN701 LASER POWER DRIVE A B D E C A B 8 3
(3V) 3.2V 1.1V (2V)
(2.3V) 2.7V
SERVO AMP
LD
C706 2700P
C702 0.1
C707 0.027
C704 0.1
IC701 AN8839NSBE2
11 12 2 10 5 4 9
B A (0.2V) (2.3V) (1.4V) 0V 2.7V 0.9V 0.7V 1.9V 1.6V 0V 7 8 9 10 11 12 CSBRT RFIN BDO RF CEA LD (3.2V) 0V 14 GND 15 3.2V (0V) B R729 3.9K /RFDET C
1.6V 1 C D PDE 2 PDF
1.6V 3
3.3V 4 PDA Vcc
1.6V 5 PDB
1.6V 6
13 LDON 16
8 9 10 11 12 13 14 15 16
LPD
7
FEOUT
TEOUT
28 1.6V C712 0.1 C711 0.1
27 1.6V
26 1.6V
25 1.6V
24 1.6V
23 1.6V
22 1.6V
21
20
19 1.6V
18
17 0V
6
C747 180P R702 10K R744 120K
C710 120P PLAY R705 150K 0.3V P-P 2ms. 0.1V/DIV. C742 0.027
1 GND
2 Vcc
3 BIN
4 AIN
13 14 15
C749 2200P R707 39K
NBOUT
NAOUT
R708 22K
VREF
GND
16
8
7
6
5 D 0.1 C B A
TP42 I H
TP40 G
TP33 F
R704 1K
C751 0.1
C750 0.1
R706 1K
TP32 E D
PLAY VREF 2ms. 0.1V/DIV. C714 6.3V100 C713 0.1 0.1V P-P
TRACKING COIL FOCUS COIL
B
A
D
C
FOCUS COIL/ TRACKING COIL/ TRAVERSE MOTOR/ SPINDLE MOTOR DRIVE
R736 100
IC703 AN8739SBE2
B
A
14 D3-
(0.4V) 0V 0V 15 D3+
16 D4-
(0.6V) 0V 0V 17 D4+
0V 18 NC 19 PGND2
7.5V 20 PVcc2 GND NC
7.5V 1.6V 1.6V 1.6V 21 22 23 24 25 RSTIN VREF Vcc IN4 IN3
26 NC
PGND1
PVcc1
TP36 A
13
M702 SPINDLE MOTOR
12 11 0V 0V 0V (0.1V) (0.7V)
10 0V (0.7V)
9
8
7 7.5V
6 1.6V
5 1.6V
4 3.2V (0V)
3 1.6V
2 1.6V
/RST
GND
PC2
D2+
D1+
D2-
D1-
IN1
IN2
NC
NC
NC
NC
1
OFTR A R727 3.9K
E VREF FBAL TBAL FEN
M
C737 0.1
B TP35 TP38 C
A
B
D
C
R725 C715 390 2700P A C752 1000P R723 6.8K R735 100 R724 18K R715 1K C738 0.01 C739 1500P
PDOWN
ENV
TEN
NC
NC
NC
R728 3.9K B C D E F G
R749 C734 10V220 C735 0.1
4.7K
M701 TRAVERSE MOTOR
M
C736 0.1
D TP37
R731
6.8K
7.7V 7.4V
SCHEMATIC DIAGRAM-2
:POSITIVE VOLTAGE LINE
:CD PLAYBACK SIGNAL LINE
3.3V 3.3V TP18 R721 100 R717 1K PLAY 2.2V P-P 1kHz, 0dB R718 1K C725 1000P C727 50V1 TP23 A C731 6.3V220 C730 0.1 C754 470P TP20
C726 1000P
C728 50V1
TP21 B C732 6.3V220
C723 10V220
3.2V
C724 0.1
3.2V
3.2V 3V 1.5V
1.5V 3V 3.2V
2.1V P-P F=16.9344MHz 3.2V 1.6V 1.6V 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41
61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 BYTCK /CLDCK FCLK IPFLAG FLAG CLVS CRC DEMPH RESY IOSEL /TEST AVDD1 OUTL AVss1 OUTR RSEL IOVDD PSEL MSEL SSEL
C722 10P
C721 10P C718 0.22 R711 82K
3.2V R712 220 R741 (1.2V) 0V 1.6V 47K 1.6V 1V 1.6V 1.5V
C717 0.1
C744 8200P
40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 (3.2V) 0V 0V (0V) 3.2V 1.6V 1.6V 1.6V 1.6V 1.6V 1.6V 1.6V 1.6V 1.6V 1.6V (0V) 3.2V 1.6V 0V
PLAY 0.3V P-P 2ms. 0.1V/DIV.
LDON BDO /RFDET TRCRS OFT VDET RFENV TE FE TBAL FBAL VREF FOD TRD KICK ECS ECM PC TVD TRV
PLAY 0.1V P-P 2ms. 0.1V/DIV.
A B C
D
E F G H I
A B C
D E F G
C745 1000P
R709 68K
R742 220K
VDD X2 OUT X1 IN Vss SBCK SUBC VCOF2 PCK EFM AVss2 AVDD2 VCOF PLLF DSLF DRF IREF ARF WVEL DSLF2 PLLF2
3.2V
X701 (16.9344MHz)
0.8V P-P F=16.9344MHz PLAY T
PLAY
3.2V 0V
13.3ms. 3.2V 0V
IC702 MN662790RSC
T
13.3ms.
SERVO PROCESSOR/ DIGITAL SIGNAL PROCESSOR/ DIGITAL FILTER/ D/A CONVERTER PLAY 0.8V P-P 0.5 s. 0.2V/DIV. F=75Hz PLAY 3.2V 0V
BCLK LRCK SRDATA DVDD1 DVss1 TX MCLK MDATA MLD SENSE /FLOCK /TLOCK BLKCK SQCK SUBQ DMUTE STAT /RST SMCK CSEL
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
3.2V 0V 3.2V 0V 3.2V I H G F PLAY 3.2V 0V
R714 0
C733 0.1
0V 3.2V 0V 0V (3.1V) 3.2V
T E D C B A
13.3ms.
A R753 10
B
C
D
E
F
G
H
I
3.3V
TP19 TP6 TP7 TP8 TP12 TP13 TP14 TP17
C753 470P
TP22
TP1
TP2 TP4
3.3V S701 (REST) TP15 C743 0.1 B A 7.5V CN702 1 REST SW 2 /RST 3 STAT 4 SUBQ 5 SQCK 6 BLKCK 7 SPEED 8 MLD 9 MDATA 10 MCLK 11 P.GND 12 +B(1) 13 TX 14 LD SW 15 D.GND 16 +B(2) 17 Rch OUT 18 A.GND 19 Lch OUT
TP16
To F FL CIRCUIT(CP606) on SCHEMATIC DIAGRAM-13
SCHEMATIC DIAGRAM-3
B MECHANISM CONTROL CIRCUIT
DECK1 L ch PLAYBACK HEAD R ch
CS1101 1 2 3 4 5 C1193 1000P TP1 TP2
:POSITIVE VOLTAGE LINE
:TAPE PLAYBACK SIGNAL LINE :RECORDING SIGNAL LINE
R1103 15K
C1101 1000P ((0V))
DECK2 L ch
CS1102 TP6 G D ((0V)) 0.1V ((4.4V))
Q1101 2SJ498CDTA
HEAD SELECT (REC:ON)
R/P HEAD R ch
1 2 3 4
TP4
S
ERASE HEAD
C1103 680P
D ((0V)) G ((0V)) 4.5V S ((0V))
5 TP3
Q1103 2SJ498CDTA
HEAD SELECT (PLAY:ON)
ERASE CURRENT CHECK POINT
TP12 R1182 1 TP11 R1102 100K
C1104 0.022
S ((0V)) G ((0V)) 4.5V
Q1104 2SJ498CDTA
HEAD SELECT (PLAY:ON)
D ((0V))
TP5 R1195 100K S ((0V)) ((4.4V)) G 0.1V
R1101 330K
IC1102 BA7755A
R/P SELECT
Q1102 2SJ498CDTA
D
HEAD SELECT ((0V)) (REC:ON) C1102 1000P R1184 100K 14.6V R1181 3.3K TP171 TP172 TP170
C1194 1000P C1183 0.47 VCC 1 2 3 ((7.8V)) ((0V)) 10.8V R1188 1K 4 ((0V)) 4.8V GND 5 C1177 1000P 14.3V ((14.7V)) 0.6V ((0V)) 0V ((0.1V)) 0.6V ((0V)) C1178 1000P C1180 0.01
R1104 15K
R1189 4.7K
Q1175,1176 2SC2002KTA
BIAS OSC R1179 2.7K
Q1175
L1202 47 H C1181 0.01 0.9V ((0V)) C1179 0.01 R1178 1.2 0.1V ((0V)) C1176 0.047
L1201 6 C1185 4700P 5 4
R1180 2.7K
1 2 3 C1175 35V220
Q1176
14.3V ((14.7V))
R1173 10K
D1175 MA111TX R1174 10K D1172 MA8047MTX R1176 4.7K R1177 5.6K 0.6V ((0V))
Q1171 2SD1302STA
SWITCHING (REC:ON) ((0V))
C1174 50V4.7
D1174 MA8036HTX ((0V)) 0.7V R1172 330 R1170 1K
0.6V
((0V))
4.7K
Q1174 2SC2412KT96R
BIAS OSC CONT.
((0V)) ((4.8V)):CrO2
C1184 1500P
24.9V ((0.1V))
Q1173 DTC144TKA146
BIAS OSC CONT.(CrO2)
0.1V ((0V))
Q1179 2SC2412KT96R
SWITCHING (BEAT PROOF)
C1173 0.01
C1182 50V4.7
D1171 MA111TX
R1183 100K
SCHEMATIC DIAGRAM-4
:POSITIVE VOLTAGE LINE :RECORDING SIGNAL LINE :TAPE PLAYBACK SIGNAL LINE
Q1107 DTC144TKA146
P.B EQ/REC EQ (CrO2/H.SPEED) ((0V))
47K
((0V)):CrO2 ((0V))
R1121 33K
R1123 10K
C1133 50V4.7
C1117 50V1
R1107 C1113 39 6.3V220
C1123 1800P
C1143 50V4.7
C1109 16V100
C1105 1200P
C1108 16V33
C1111 820P
C1147 1500P
C1129 820P
R1125 1K
A
B
C1131 820P
C1135 1000P
C1146 16V10 R1146 10K
R1111 2.2K
R1115 390K C1119 50V4.7 C1121 50V1 C1127 0.01 R1117 270K
C1115 R1109 0.033 4.3K R1141 6.8K
C1125 0.047
R1131 68K C1139 50V2.2 GND B C SW A TPS 50V0.1 470K R1134 16V10 C1140 C1136 1000P R1132 C1141 C1142 0.022 R1133 3.3K 3.3M
R1105 270
36
4.8V 4.8V 5.0V 9.1V 4.5V 4.5V 4.6V 8.8V 4.9V 4.7V 9.3V ((0V)) ((9.4V)) ((9.9V)) ((0V)) ((1.1V)) ((4.8V)) ((4.8V)) ((5.1V))((5.1V)) ((5.4V)) ((4.9V)) ((5.2V)) ((5V)) ((0V)) ((4.3V)) ((0V)) ((9.7V)) ((0V)) 25 30 29 20 35 34 33 32 31 28 27 26 24 23 22 21 19 Vcc B A A REC
IC1101 M51167AFP-TB
P.B EQ/REC AMP/ ALC/TPS AMP
C PB
PRE
ALC C PB PRE
1 ((0V))
2
C1106 1200P
C1112 820P
REC AGC B R/P OFF 3 4 5 6 7 8 9 10 11 12 13 14 16 17 18 15 ((4.7V)) ((0V)) ((1.1V)) ((4.8V)) ((4.8V)) ((5.1V)) ((5.1V))((5.4V)) ((4.9V)) ((5.2V)) ((5.0V)) ((0V)) ((0V)) ((0V)) ((4.1V)) ((5.1V)) 4.4V 4.5V 4.8V 4.8V 5.0V 4.6V 4.8V 3.8V 4.9V 4.9V C1126 0.047 C1128 R1118 0.01 270K C1116 0.033 C1114 R1108 6.3V220 39 R1142 6.8K C1122 50V1 R1110 4.3K C1120 50V4.7 R1112 2.2K C1124 1800P R1116 390K C1130 820P C1144 50V4.7 C1132 820P
C1148 1500P
C1118 50V1
E
D
C
R1122 33K
R1124 10K
R1126 1K ((0V)) ((0V)):CrO2 C1134 50V4.7
Q1108 DTC144TKA146
P.B EQ/REC EQ (CrO2/H.SPEED)
((0V))
47K
14.6V
14.6V A B C D E F
10V
10V
Q1206,1207 2SB621RTA
SOLENOID DRIVE D1202 MA111TX D1201 MA111TX R1221 2.7 ((0V)) R1206 220 ((9.5V)) ((0V)) ((0.8V)) C1201 16V100 ((10V)) R1226 1K ((5V))
10K
5V ((5V))
10K
((10V))
Q1208,1209 DTC114TKA146
SOLENOID DRIVE A
Q1206
R1225 2.7 ((0V)) R1227 1K
((9.5V))
((4.5V))
Q1208
B
Q1203 2SD965RTA
MOTOR DRIVE W1200 1 2
((9.5V))
Q1207
((9.5V))
((4.5V))
Q1209
M
MOTOR
SCHEMATIC DIAGRAM-5
B
:POSITIVE VOLTAGE LINE
:TAPE PLAYBACK SIGNAL LINE :RECORDING SIGNAL LINE
14.6V
C1151 16V10
F A B C
R1158 220
SWITCHING (PLAY:ON) B C1153 1000P
((1.2V)) R1155 220 ((0.5V)) ((0V))
R1153 1.2K
Q1151,1152 DTC144TKA146 Q1151
47K
R1151 1M
C1165 16V10 ((10.6V)) E
Q1153
Q1115,1116 2SD2114K1V
C1162 16V100 MUTING C1166 16V10 D
((4.0V)) 0.2V ((4.0V)) 0.1V C ((0V))
47K
R1152 1M
R1154 1.2K
((0V))
Q1115
0.7V ((0.2V))
Q1154
((1.2V)) R1156 220
((10.6V)) ((0.5V))
C1150 10V47
Q1152
C1154 1000P
((0V)) R1161 4.7K R1162 4.7K
Q1153,1154 2SC2412KT96R
BUFFER AMP
R1196 47K
R1197 47K
D1173 MA111TX
10V A D E
R1139 10K
5V R1145 10K C1145 16V10 R1220 4.7K
4.8V 0.1V
0.6V 0V
D
F
C
B
A E
F E
((0.5V)) ((0V)) ((2.4V))
Q1120
R1191 56K ((0.6V))
0.5V 0V
((0.7V)) ((0V)) ((0.1V))
Q1118
((0V)) R1166 100K R1165 56K
R1213 1.5K
((0V)) R1192 47
((0.5V))
R1190 100K
Q1121
INTERFACE
5V CP1102 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 CS971 1 2 Z971 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 CS951 CP1101
SOLENOID
D971 MA165TA
R973 39K
S973 (ATS/CrO2)
S975 (F.REC.INH.) 3 S971 (MODE) 4 S974 (R.REC.INH) 5 S972 (HALF)
4.7K 50K S951 (MODE) 25K S952 (HALF) 4.7K 50K 4.7K 50K 4.7K 50K S953 (ATS/CrO2) 5.V
R1167 47
Q1118-1121 2SC2412KT96R
((0V))
((0.7V))
Q1119
SOLENOID
D951 MA165TA
IC971 0N2180RLC
PHOTO INTERRUPTER R972 820
25K
25K
4
2
4
2
3
1
6 50K 7
PHOTO INTERRUPTER
C MECHANISM (DECK2) CIRCUIT
D MECHANISM (DECK1) CIRCUIT
R952 820
IC951 0N2180RLC
3
1
R953 39K
((5V))
((5V))
((5V))
((5V))
C1186 10V47
C1152 16V10
Q1116
0.7V ((0.2V))
R1186 1K
SCHEMATIC DIAGRAM-6
:POSITIVE VOLTAGE LINE :RECORDING SIGNAL LINE :TAPE PLAYBACK SIGNAL LINE
14.6V
Z1101 25K 50K 50K 25K 50K 25K 50K 50K A 10V
B C 6 7 D E F
R1144 R1143
10K 10K
1
2
3
4
5
1 2 3 4 5 6 7 8 9 10 TP9
4.7K
4.7K
4.7K
4.7K
H1100 M.GND MO.GND +B(5) D.GND +B(3) Rch IN Lch IN A.GND Rch OUT Lch OUT
To E MAIN (DSC) CIRCUIT (CN304) on SCHEMATIC DIAGRAM-9
A B C D E F R1233 2.2K R1216 R1215 5V R1234 4.7K C1188 100P C1187 100P
TP10
5V
2.2K 2.2K
8 7 6 5 4 3 2 1 R1235 4.7K
CN1201 VREF(+) ADIN7 ADIN6 TPS D.GND MKCLK MKDATA +B(6)
To K FL CIRCUIT (H600) on SCHEMATIC DIAGRAM-13
5.1V ((0.2V)) 8 DMT 7 BP1 6 DOLBY 5 HI SP 4
((4.7V)) ((0V)) ((0V)) 3 2 1 DATA GND CLK
IC1105 BU2090AF-E2
SYSTEM CONTROL
REC
BP2
TAPE
2PL
1PL
Q1218 DTA114EKA146
SWITCHING (REC:ON)
9
R1230 4.7K
10 11 12 13 14 15 16 ((0V)) ((4.8V)) ((0.5V)) ((0V)) ((0V)) ((4.6V)) ((5V)) 4.7V 0.2V 0V 4.5V C1202 0.1
2M
D ((5V))
10K
((5V))
10K
B
4.7K
((0V))
((4.9V))
Q1220 DTA143XKA146
MOTOR DRIVE
A
R1106 2.2K
C
4.8V
((0V))
4.7K
((4.8V)) 0.2V
R1232 1K
A
B
Vcc
1M
IH
R1236 4.7K
SCHEMATIC DIAGRAM-7
E MAIN(TUNER) CIRCUIT O FM FRONT END CIRCUIT
Q1A 2SK544F-AC
RF AMP C1A 5.6P D1A SVC211SPA-AL JK101 L12 R2 100K G D S L11 D2A SVC211SPA-AL
:POSITIVE VOLTAGE LINE
:FM SIGNAL LINE :FM OSC SIGNAL LINE
:AM SIGNAL LINE :AM OSC SIGNAL LINE
Q2 2SC2786MTA
C3 2.2P L1 1.2 H FM MIXER
L2 0.47 H 7
5.6P
C2A 1000P
75 GND
2 3 4 5
C4 180P
C11 1000P
C5
C6
1
R5 560K
FM ANT
3.3P
R6 390
R1A 100K
R3 220 6 R10 390 R4 100K C7 4.7P R8 680K C102 16V100 R9 390 C101 0.01
R103 270
R11 680K C8 3.3P
C10 18P
R7 2.7K
D3 SVC211SPA-AL
C9 2.2P
L10
Q3 2SC2787FL1TA
LOCAL OSC
Q4 2SC2787FL1TA
BUFFER AMP 8
L102 0.39 H
AM ANT EXT
Z101 A Ca
A
LOOP
B
C A R110 1K AM ANT AM OSC R151 82
C107 0.047
R112 100K
C108 8P
D C136 1000P R111 390 C125 16V22 A R128 82 C130 6.3V100 B R117 47K C113 1000P C132 1000P
R114 5.6K C110 0.01
R115 C111 560 25V4.7
D101 UDZSTE175R1B
R113 10K
R129 27K C C124 100P D
C134 27P
R152 0
X103 (7.2MHz)
C133 27P
C112 0.01
R116 1K
2.6V X OUT Vss FM/AM 1.4V P- P F=7.2MHz X IN FM/AM 1.3V P- P F=7.2MHz 20 19
(2.8V) (0V) (2.4V) (0V) 6.5V 0.8V 0.8V 5.2V 2.5V 0V 4.7V 0V 18 17 16 15 14 13 12 11 VDD MONO A OUT FM IN AM IN IF IN 10 0V 0V (14.6V) E FM R132 10K R133 1K F A IN PD
IC102 LC72131MDTRM
PLL FREQUENCY SYNTHESIZER AM DO LW CL
1 2.5V
2 0.6V
3 0V
4 0V
5 5.2V
6 4.7V (0.2V)
7
SDC
CE
8 4.3V (4.6V)
R130 10K R138 3.3K
R137 1K
R136 1K
R135 1K
V FM 9.3V 6.8V
V AM
A
B
C
R134 470
D
2.6V 87.5MHz 108MHz F
1.4V 522kHz 1629kHz F
STRQ 9
DI
SCHEMATIC DIAGRAM-8
:POSITIVE VOLTAGE LINE :FM SIGNAL LINE :AM SIGNAL LINE :AM OSC SIGNAL LINE
R104 1K C103 0.01 R107 330
R106 470K (0V) 11V
CF202 1 3
CF201 1 3 R105 470
C104 1000P
(0V) 0.7V
2
Q106 KRA102MTA Q101 2SC2058SPTA
FM IF AMP POWER SUPPLY (FM:ON) (0V) 14.6V 14.6V
FM +B LINE
2
14.6V
0V (14.6V) R143 22K C120 16V10
C116 0.033
R102 C139 4.7K 25V4.7
C114 50V3.3
C109 1000P
47K
25V4.7
A D R118 3.3K
C119
FM/AM IF AMP, DET/AM OSC,MIX/FM MPX
R123 68K
IC101 LA1833NMNTLM
680P
R121 22K
C138 0.01
C142 50V1 3300P 150P C118 0.01
R142 6.8K B R146 100K C144 4700P
R120
C115
C131
C137
B C (4.7V) 4.4V 24 OSC OUT 23 OSC (6.1V) 5.8V 22 AFC (2.0V) 2.4V 21 AM RF IN
C141 50V1
R141 6.8K
(2.0V) 2.4V 20 AGC
(1.5V) 1.3V 19 AM OUT
(1.9V) 0V 18 DET OUT
2.3V 17 PILOT IN
2.0V 16 MPX IN
2.0V 15 PILOT OUT
2.0V 14 Rch
1.6V 13 Lch
1.6V
FM AM MIX OUT FM IF IN AM IF IN FM DET 0.12V P- P GND SD ST
FM/AM
1 2.0V
2 5.8V (6.1V)
3 2.0V
4 2.0V
5
6 0V
7 5.2V
8 3.8V (5.3V)
9 5.8V (6.1V)
10 0V
11 4.7V (1.2V)
12 4.8V (4.3V)
C127 16V22
C126 1
R124 33
R119 4.7K
C106 0.01
C122 50V1
1 2 3
4 1 6 2
3 C147 1000P C148 0.01
R126 1K
R125 470
R122 2.7K
C123 50V1
Z102
C121 50V0.47
X102
R127 470
MONO
Vcc
STRQ
REG
R131 68 C129 6.3V100 7.7V C149 0.1
A
B
D
F
C E
B A
B A A B C D 1 2 3 4 5 6 7 8 9 10 11 DO CL DI CE SD STEYE +B(3) +B(4) Rch OUT Lch OUT GND A B A
To B MAIN(DSC) CIRCUIT ( B ) on SCHEMATIC DIAGURAM-9
R145 100K
C143 4700P
A
C117 0.01
SCHEMATIC DIAGRAM- 9
E MAIN(DSC) CIRCUIT
JK305 R401 10K A C402 100P R402 3.9K
:POSITIVE VOLTAGE LINE :RECORDING SIGNAL LINE :CD PLAYBACK SIGNAL LINE
:TAPE PLAYBACK SIGNAL LINE :FM SIGNAL LINE :AM SIGNAL LINE :MIC SIGNAL LINE To K FL CIRCUIT (CP605) on SCHEMATIC DIAGURAM-15
M.GND CHG AD1 SD CHG AD2 SER5 SER3 /CD MUTEA P.CONT LVL1 O P Q R S T U 7.5V 3.3V 10V C300 0.01 14.6V 7.7V
L ch
AUX
R201 10K C202 100P R202 3.9K
R ch
B
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 CN303 R411 2.2K C D R412 4.7K R212 4.7K R211 2.2K
CN304 M.GND MO.GND +B(5) D.GND +B(3) REC Rch REC Lch A.GND PB Rch PB Lch 1 2 3 4 5 6 7 8 9 10 R415 1K R215 1K
To B MECHANISM CONTROL CIRCUIT(H1100) on SCHEMATIC DIAGRAM-6
R213 R413 R207 R407 6.8K 6.8K R208 10K R408 10K
27K 27K
E F G H
B DO CL DI CE SD ST EYE +B(3) +B(4) Rch IN Lch IN GND 1 2 3 4 5 6 7 8 9 10 11 R454 10K I J K L
R300 C301
4.7K 1000P
To E MAIN(TUNER) CIRCUIT ( A ) on SCHEMATIC DIAGRAM-8
R210 R410
1K 1K R209 47K R409 47K
M N
C204 220P
C404 220P
CD Lch A.GND
CD Rch D.GND +B(2) TX +B(1) P.GND +B(4) MIC
RL1N4003S-P
H MOTOR CIRCUIT
IC1 TA7291P
MOTOR DRIVE
Q350 2SB621ARSTA
PLUNGER DRIVE 0V 10V
10V
R349 10K
D316
1
2 0.6V
3 7.8V
4
5
6 8.4V
7 8.4V
8
9 0.6V C2 0.01
10
R350 1K 10V 0V
F
CLAMP SW CIRCUIT
S4 (CLAMP) 3 2 1 W2 3 2 1 D
M
R1 1K D2 MTZJ4R7BTA C1 16V100 RM1 (LOADING MOTOR)
Q351 KRC102STA
PLUNGER CN1 S2 (TRAY POSITION2 DET.) S1 (TRAY POSITION1 DET.) S3 (OPEN DET.) CN309 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 2 3 4 5 6 7 8 9 10 11 12 13 14 D312 RL1N4003S-P R347 R346 R345 12K 22K 220 A B C PLUNGER DRIVE
4.5V
4.7K 4.7K
G CIRCUIT
S5 (BOTTOM)
BOTTOM SW
0V
R354 R355
12K 22K
C236 0.47
E
Ca
D1 GP1S94 (POSITION SENSOR)
9V
R358 R359 R351
C D
R353 10K
47K 47K 10K
C
A
4 3 2 1
W1
Q1 RVTDTC143EST
4 3 2 1 A B C MOTOR DRIVE
D E F
8.7V
A B
SCHEMATIC DIAGRAM-10
:NEGATIVE VOLTAGE LINE :POSITIVE VOLTAGE LINE
:MIC SIGNAL LINE :CD SIGNAL LINE
: RECORDING SIGNAL LINE :TAPE PLAYBACK SIGNAL LINE
:FM SIGNAL LINE :AM SIGNAL LINE
To K FL CIRCUIT(CP604) on SCHEMATIC DIAGRAM-15
+B(6) CHG PLGR VREF+ DC DET PLL CK PLL DA PLL CE CHG HALF CHG CCW CHG CW ST.D0 SER4 SW1 LVL2 GND -VP HP.GND HP.Rch +B SPEANA C228 R225 16V10 3.6K C229 100P -7.9V R223 47K C227 680P 4 3 0V 2 R224 18K C230 47P 0V 1 0V R248 39 C232 3300P R226 100 C237 1000P R448 39 0V C329 0.1 C425 50V3.3 C428 16V10 C429 100P R425 3.6K 0V C430 47P R424 18K R321 2.7 C320 0.01 C312 0.1 0V 7.7V C432 3300P R426 100 C437 1000P R322 270 D302 UDZSTE175R1B P Q R453 4.7K C315 150P C313 0.1 R419 4.7K C424 50V3.3 R219 4.7K C224 50V3.3 C223 50V10 R218 3.3K R217 68K C422 470P R417 68K R418 3.3K R452 10K C316 R325 R324 150P 2.2K 2.2K C442 50V3.3 5 6 7 8 R449 39 R420 100K 0V C242 50V3.3 R249 39
HP.Lch HP.SW SW2
IC302 M5218AP
BUFFER AMP R222 12K A R422 C426 0.1 12K C226 0.1
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 CN302 D314 RL1N4003S-P A E D F C B 5.1V 7.5V 3.3V -31V J K L S I
B C D E F G C318 0.01
C225
50V3.3
7.7V C317 50V1 R327 150K
Q306 KRA102STA
MUTING CONT. 1.3V (0V)
R326 68K
0.7V (-2.4V) R221 1K 0.7V (-2.4V)
Q400
Q200
0V
R220 100K
C233 50V10
R307 10K
E 2200P 2200P R310 2.2K O C209 C210 C308 0.047 C208 C211 C212 C213 C214 R433 220K C215 C216 C305 1500P R305 10K R301 22K C217 0.033 C218 50V0.15 2700P 2200P 0.33 0.022 C207 50V1 0.082 0.039 0.027
R233 220K
0V
0V
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 BP OUT K IN2 K OUT2 MIC IN TAPE REC2 EXT REC2 VCR REC2 DPL2 GEQ OUT2 VOL IN2 VOL OUT2 C220 C222 1000P 470P C219 50V0.15 0V 0V R216 C221 2.2K 0.068 0V 0V 7.6V C314 150P R323 0V 2.2K 5V 0V 0V 5.1V R456 4.7K 7.5V R455 10K 7.3V 0V 0V R416 C421 0V 2.2K 0.068 0V C419 50V0.15 C420 1000P
R302 18K
C306 50V0.1
0V 0V 0V 0V 0V - 7.4V 0V 0V 0V 0V 0V
M G D B
A C H N F
PS- IN PS+IN K IN1 K OUT1 TAPE REC1 EXT REC1 VCR REC1 DPL1
R308 3.3K
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 R306 1.2K R304 22K C307 1000P C407 50V1 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V C418 50V0.15
2700P 2200P
2200P 2200P
0.082
0.33 0.022
0.039 0.027
0.033
GEQ OUT1 VOL IN1 VOL OUT1
65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80
BP IN VIDEO/MD TUNER TAPE PB CD EXT IN PHONO/AUX AVss AGND PHONO/AUX EXT IN CD TAPE PB TUNER VIDEO/MD DEL
0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V
GRAPHIC EQUALIZER R ch
IC303 M62433AFP
DIGITAL SOUND CONTROLLER
L ch GRAPHIC EQUALIZER
BB2 BUF IN2 BUF NF2 BUF OUT2 AVDD DGND LATCH DATA CLK DVDD PORT 2 PORT 1 BUF OUT1 BUF NF1 BUF IN1 BB1
40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25
C408
C409 C410
C411 C412
10V330
0V 10
(0.1V) 0.7V
D311 1SS355TE17
C304
Q304 KTC3875GRTA
SWITCHING - 7.9V 14.6V 7.7V 10V 5V 9V
R303
C413 C414
C415 C416
C417
C423 50V10
R344 10K
R309 3.3K
C433 50V10
(2.4V) 1.1V
R423 47K R421 1K
Q200,400 KTD1304TA
MUTING
C427 680P
SCHEMATIC DIAGRAM-11
:NEGATIVE VOLTAGE LINE :POSITIVE VOLTAGE LINE
:CD SIGNAL LINE
:FRONT LOW SP DRIVE SIGNAL LINE :FRONT MID/HIGHT SP DRIVE SIGNAL LINE
D401 1SS355TE17 - 7.9V R434 2.2K R432 3.9K C435 6800P C434 0.068 C440 50V3.3 R431 18K C441 100P D401 R342 18K
C322 0.068 C323 0.068 C321 10V33 R343 6.8K
R336 18K
R337 8.2K R339 82K C327 0.1 C326 8200P 0V 14 13 0V 22K 22K 11 12 0V C328 0.047
R444 22K C436 100P
R430 47K
R334 240K
0V 24 R440 43K 23
0V
0V 22
0.1V 21
-7.9V 20 19 18
0V 17 3.3K
0V
0V 16
0V 15
22K 10K
IC301 M62456FPE1
BTL BASS BOOST 22K 15K
27K
1 0V D201 1SS355TE17 R240 43K D201 R230 47K C241 100P R231 18K
2 0V R356 15K
3 0V R357 100K
4 7V
5 7.7V
6 0V
7
8 0V
3.9K
9 0.1V
1.8K
10 2.1V
R332 820K
R435 27K
R335 4.7K C324 10V47 C325 10V47
R338 4.7K
C235 6800P
C234 0.068
C240 50V3.3
R234 2.2K R232 3.9K
D315,D317 1SS355TE17
D315
D317
R340 82K
G A
F E B D C
FAN MOTOR CP303 1 2
M
CN301 1 2 3 4 5 6 7 8 9 10 11 12 P.GND GND +B(4) -B(1) FAN1 FAN2 +B(1) +B(2) +B(6) -VP LED9V +B(5)
D308 1SS355TE17
D309 1SS355TE17
To L POWER AMP CIRCUIT (CP500) on SCHEMATIC DIAGRAM-16
D306 DAP202KT146
D307 DAP202KT146
DC DET.
C331 50V4.7
5.1V Q307 KRC111STA
-3.4V
R313 39K R316 15K
R312 2.2
CN300 1 2 3 4 5 6 7 8 9 10 11 12 GND1 +B(3) H.Lch OUT H.Rch OUT L.Rch OUT GND
Q352 KRA102STA Q311 KRC111STA
DC DET. 5.1V -0.6V R317 1K U R T DC DET. -0.6V 4.2V D313 1SS355TE17 C334 50V10
4.2V
To L POWER AMP CIRCUIT (CP501) L.Lch OUT on SCHEMATIC /CD DIAGRAM DC DET -16 P.CONT
HP SW
- 7.9V 14.6V 7.7V 10V 5V 9V