How it Works
Aiwa
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VX-G142
Cirquit Diagram
18 pgs834.23 Kb0
Service manual
108 pgs3.55 Mb0

Aiwa VX-G142 Cirquit Diagram

ABC D E F GH
8
AIWA VX-G142 OPERATION 1 SCHEMATIC DIARGAM
8
(OPERATION 1 PCB)
7
OS753
GP1U281R
GND
FROM OPERATION
6
CY757_1 ILG8P-S3L-PCB-S
1
REMOCON OUT
2
GND
3
AT+5V
4
POWER LED
5
PLAY LED
6
ATR LED
7
T-REC LED
8
REC LED
100P B
5
R766_1
100
FROM/TO OPERATION
CY759
ILG3P-S3L-PCB-S
3
2
1
NC NCNC
2206.3V KA
4
3
B+
2
Vout
1
PLAY BACK LED SW
Q758
DTC114TS
W803
D793
REC/OTR
R793
EQ-552F9T
270
T-REC
D791
EQ-552F9T
R754
W804
270
R761
0
D792
5.1 0
270
POWER LED SW
Q756
DTC114TS
POWER
POWER SW
Q757
DTC114TS
5.0
EQ-552F9T
1.0
0
003.1
PLAY BACK
D795
EM-553-F9T
R758
D794
ST.BY
EM-553-F9T
W801
270
R794
270
7
6
5
4
FROM/TO OPERATION
SW791
STOP/EJECT
SW796
VOL UP
R772
1.5K
SKHVBED010
R777
1.5K
SKHVBED010
PLAY
SW792
SKHVBE010
SW797
VOL DOWN
SKHVBED010
CAUTION: DIGITAL TRANSISTOR
R773
2.7K
R780
2.7K
SW793
FF/CUE
SW750
PLAY BACK
R774
5.6K
SKHVBED010
SKHVBED010
REW
SW794
SKHVBE010
PCB030 TE6895
3
2
1
CY758_1 ILG4P-S3L-PCB-S
1
KEY B
2
KEY A
3
3
2
4
PLAY BACK LED
GND
0.001 B
0.001 B
SW751
SKHVBED010
POWER ON/OFF
SW799
CH DOWN
SKHVBED010
R759
R760
REC/OTR
820
820
CH UP
1
R771
1K
SW795
SKHVBED010
R776
1K
SW798
SKHVBED010
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
ABC D E F GH
J-4
ABC D E F GH
8
FROM/TO CYL
4
CH1/2 S
CH1(R)F
123
CH2(L)F
NC
CP4101_2
52492-0420
(HEAD AMP PCB)
C4104
CH
15P
7
C4119
33P
CH
C4120
33P
CH
C4115
0.001 B
C4114
0.001 B C4113
0.001 B
C4112
0.001 B
A1
A2
2021222324
ENVELOPE DET
PB OFF
REC ON
SW30
44
PB OFF H
REC ON
VCC
L
PB
REC
45
1516171819
VCC2
REC CURRENT AMP
1K
AGC DET
0.902.10.702.160.700
5K
H.SYNC
43
1314
PB OFF
REC ON
LA7411M
HEAD AMP
IC4101_2
44
C4127
1F
C4106
4.99
A1
PB OFF
REC ON
A2
BUF
AGC
BUF
41
42
6
46
NCNC NC
0.20.2
EP/SP
EP
(LP)
1.5 SP
5
1.0
1 101112
0.1 1.2 0.2 0 0.45 0 2.2 1.1 0 2.9 5.0 5.0
PB OFF
REC ON
VCC
SW 30 REC MUTE
ON
REC/PB
3.2
H CH
L CH
2
REC
2.0
OFF
PB
3456789
39
40
4
W801
0
R4113
330
C4110
0.01 B
20K
R4111
L4101
R4109
100uH
1.5K
C4107
2206.3V KA
C4108
1F
0.01 B
CYL_PG-A
CYL+B-A
CYL_FG-A
GND_B
CYL_DRIVE_A
FROM/TO CYL
CP4102_1(CD5001)
52492-0520
CYL PG
CYL +B
CYL FG
CYL GND
CYL DRIVE
1
2
3
4
5
8
7
6
5
4
HEAD AMP SCHEMATIC DIAGRAM
2.2
AUDIO PB
AUDIO REC
19220
BUFFER
Q4101
2SC2412K
C4105
0.33 F
FROM/TO Y/C
3
2
1
FROM/TO CAPSTAN DD UNIT
CP4105 TKC-F09X-L1
CAP/M/F/R
1
2
GND
3
VCO
CTL
4
5
MOTOR GND
VCC
6
FG
7
I LIMIT
8
V.REF
9
CD4102 8283_0212_00_000
LDM+
1
LDM-
2
TO LOADING MOTOR
C4102
0.1 B
LDM-
1
CP4103(CP1002)
TMC-W20X-A1
FROM/TO SYSCON
GND_B
CYL_FG-A
CYL+B-A
CYL_DRIVE_A
LDM+
CYL +B
CYL FG
CYL GND
CYL DRIVE
3456789
GND_A
CYL_PG-A
GND
CTL-
CYL PG
101112131415161718
VCO
MOTOR GND
CAP-M_F/R
FG
CTL
VCC
V.REF
I LIMIT
R4104
1.65.0
1.5K
C4103
10P CH
1K
R4103
NC NCNC NC
H.SYNC
V.REC ST-H
ENV.DET
GND
REC-Y/C
9
PB Y/C
2345678
1
CP4104(CP4001)
TMC-W16X-A1
H.SW
NC
GND
P.CON 5V
AE HEAD(-)
AE HEAD(+)
10111213141516
THE DC VOLTAGE AT EACH PART WAS
NOTE:
MEASURED WITH THE DIGITAL TESTER DURING PLAYBACK
FROM/TO HEAD,AUDIO CONTROL
CP4106(CD2001) 177640-6
AUDIO PB
1
2
AUDIO REC
3
CTL-
4
AE HEAD(-)
5
AE HEAD(+)
6
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
CAPSTAN AFC SIGNAL RECORD LUMINANCE SIGNAL PLAYBACK LUMINANCE SIGNAL RECORD COLOR SIGNAL PLAYBACK COLOR SIGNAL
AUDIO SIGNAL(REC) AUDIO SIGNAL(PB)
CYLINDER AFC SIGNAL CYLINDER APC SIGNAL
PCB330 VE6773
3
2
1
ABC D E F GH
J-5
ABC D E F GH
8
IF SCHEMATIC DIAGRAM
8
(IF PCB)
6.8K
560
R6009
150
R6007
7
75
R6012
FROM/TO TUNER/AUDIO
CP6001
6035B-12Z002-T
1
P.CON 9V (AT9V)
2
GND
3
TU.VIDEO
4
AFT S.CURVE
5
AFT-DEFFET
6
6
7
8
9
10
11
12
TU.AUDIO
5V
AGC CONTROL
AGC
GND
IF
SIF SW
JP6002
GND
CF6008
MKT41.5MA110P
5
4
JP6005
3
BUFFER Q6002
2SA1037K
3.2
L6002
R6018
C6015_1
0.001 CH
100uH
10016V KA
C6002
R6001
56K
2.2K
2.6
0
R6016
C6017
1K
1F
JP6007
JP6003
C6001
8P CH
AFT
L6012
360K005
C6003
0.01 B
1.6
4.1 8.7 3.6 1.3 1.3 0 1.7 2.6 1.5
110
VIF/SIF
IC6001 M52313SP
2.6 2.5 4.4 3.6 3.6 2.3 2.62.6
L6009
L6010
10uH
33uH
VR6001
22K
R6008
0.9
0.2
R6011
4.7K
R6010
CF6004 J1953M
12345
JP6012
0.2250V KA
0.01 B C6005-1
C6006
IF
VIDEO
VIDEO
AMP
430
R6015
R6014
2.6
IF AMP
DET.
VCO
560
C6014
0.0022 B
C6028
62P PH
NC
1234
6
56K
R6003
C6004
2203456789
RF
AGC AGC
AFT
AMPEQ
VCC2 VCC1 VCC1
8.9 5.0
JP6001
CF6001
TPS6.0MB
AMP
Q6003
2SC3000
56
OUTOUTGININ
0.01 B
L6011
360K006
R6004-1
1.5K
VCO
C6027
3P CH
NC
1
2
6
LOCK
DET.
APC
L6005
C6016
C6007
0.01 B
34
1.2uH
0.01 B
C6009
0.0012 B
R6005
C6010
0.033 B
680
FM
DET.
LIM
JP6008
R6006
111213141516171819
2.2K
R6020
C6032-1
330
L6004
C6021
10P CH
12uH
CDSH6.0ME44K
C6022
47P CH
150V KA
CF6005-1
C6030-1
L6007
680P CH
C6023-1
68P CH
6.8uH
JP6009
7
6
5
4
3
TUNER VIDEO SIGNAL AUDIO SIGNAL(REC)
C6008
33P CH
2
THE DC VOLTAGE AT EACH PART WAS
1
NOTE:
MEASURED WITH THE DIGITAL TESTER DURING PLAYBACK
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
CRITICAL FOR SAFETY,USE ONES DESCRIBED IN PARTS LIST ONLY
C6019-3
1006.3V KA
ARESINCE THESE PARTS MARKED BYCAUTION:
C6020
1F
CF6003
SFE6.0MB
R6013
100
2
PCB350 VE4666
1
ABC D E F GH
J-6
ABC D E F GH
AT+5V
22K
R4069
R
P
SUB CONV.
MESEC
C4060
0.01 F
0.01 B C4059
820
2.2K
C4094
270P CH
SW
Q4021
DTC144EKA
C4061
0.33 F
0.0047 B
3.2
0
C4062
APC
B-ID
PR
C4068
15P CH
0.1
0.4750V KS
R4050
3031323334353637
C4065
0.1 F
C4052
0.01 B
1K
R4052
39uH
L4012
DV_SYNC
COLOR_SYSTEM
100P CH
C4074
220
R4059
C4064
C4067
220P CH
0.0027 B
RP
BURST EMPH./ DEEMPH
REC C
LPF
C4069
REC-C_OUT
R4046
5432
PB C
LPF
ACC
VCC2
2829
476.3V KS
68
33K
MAIN CONV.
0.12 B
RECORD LUMINANCE SIGNAL PLAYBACK LUMINANCE SIGNAL RECORD COLOR SIGNAL PLAYBACK COLOR SIGNAL TUNER VIDEO SIGNAL
8
7
6
5
4
3
2
1
Y/C SCHEMATIC DIAGRAM
4.9
Q4007
2.4
1.6
R4011
R4056
BUFFER Q4005
2SA1037AK
0
V.OUT1
R4062
2.1
C4010
1.5K
1.8
100
2.3
680
0.01 B
R4008
C4006
R4013
1.5K
BUFFER
Q4006
2SC2412K
R4009
1K
3.9K
0.01 F
W802
R4074
R4075
4.9
1.8
R40071KR4055
REC-C_OUT
W874
L4002
1mH
NOTE:
(SYSCON PCB)
R4015
100
680P CH
C4015
560
R4016
R4067
R4076
15K
1K
IC4001 TA1232AN
R4012
PAL Y/C SIGNAL PROCESS
12K
C4007
R4010
2.4
C4040_1
THE DC VOLTAGE AT EACH PART WAS MEASURED WITH THE DIGITAL TESTER DURING PLAYBACK
C4073
0.001 CH
12K
0.1 F
L4006
R4071
1K
0.001 CH
47uH
C4075
L4004
VCC3
1006.3V KS
1mH
(PAL MODE)
CAUTION: DIGITAL TRANSISTOR
V.OUT1
DV_SYNC[T]
DV_SYNC[S]
1SS133
C4017
4.716V KS
MUTE SW
5.0
D4002
3
4.750V KS
C4090
Q4023
DTC143TK
C4046_1
LFB-01L
NC
4
4710V KS
C4019
R4019
MAIN EMPH
P
R
TU.VIDEO[B]
0.1 F
82K
D4003
NC
1 10111213141516 17 18 192 20 21 22 23 24 25 26 27
OSD PV/PH
RRP
AGC
4.9 2.8 2.5 2.8 3.3 1.5 2.8 3.6 3.4 2.6 3.4 2.5 0.5 0.9 1.9 2.3 2.1 3.0 2.6 3.0 1.8 1.7 2.5 2.3 5.0
C4016_1
R4070
1K
0.8
0
476.3V KS
C4039
240P CH
R4021
1K
4.7K
5
6
5051525354
0.150V KS
C4020
W966
SWD_VIDEO_IN
560
R4022
L4008
56uH
4.1
0
AMP Q4009 2SC2412K
0
620
R4023
1
1016V KS
C4025_1
789
P
FM DEMOD
LPF
MAIN
N
NCNC
R4025
R4029
680
2SA1037AK
C4024
R4027
W980
BUFFER
Q4011
82P CH
1.2K
FM MOD
DOC
R4026
1K
1.4
2.1
C4026
100P CH
EQ
REC
C4027
1M
2.1
R4064
330
R4028
0
C4037
Y-COMB
1016V KSNP
C4029
0
BUFFER
Q4010
2SA1037AK
1.5K
2.7
C4030
2.2
1.6
1006.3V KS C4033
W810
C4034
0.01 F
FM
AGC
PB FM EQ
4.7K
R4030
C4031
0.01 B
0.022 F
8.2K
R4042
2.2K
R4032
4.9
2.3
1.6
2.2K R4044
C4085
4.433619MHz
1.83.73.63.1
ACC
10K
C4049
C4050
0
SHAPER
COMPLIMITER
1/3
VGG
C4047
BUFFER Q4015 2SC2412K
1K
R4068
0.01 B
C4048
NCNC
VCO
MESECAM
JUDGE
0.056 B
W846
0.01 F R4045
VCO
PAL/4.43NT
/SECAM
1F
2.2 2.8 2.3 4.7 2.9 2.8 0.9 3.12.83.92.14.901.42.71.80.22.7 1.8 1.9 2.3 2.3
NTSC
PAL
5.0
3.9K
226.3V KS
C4056
C4055
C4054
101112
C4053
0.1 F
0
0
0.018 B
NT
0.01 F
R4047
82K
VOB
0.01 B
3.2 SW
Q4020
DTC144EKA
VXO /XO
C4058
C4057
R4048
S/N
S/N
9
R4049
BUFFER Q4012 2SA1037AK
0
SDA
SCL
27P CH
C4045
270
0.1 F
VCC1
NC AP CONT.
150V KS
C4036
R4033
C4032_1
4.9
2.5
R4034
270
R4039
R4037
C4091
C4092
150P CH
150P CH
0
GND
IIC
ENT
SYNC SEP.
PULSE GENE
ON PAL
HD
PLL
40
414243444546474849
7 6
C4038
0.33 F
1M
1016V KS
SYNC
3.2
BUFFER
Q4013
2SC2412K
1.2K
47K
R4041
2.2
2.4
47P CH
0
SW
Q4018
DTC124EKA
R4065
W859
AT+5V
H.SW
0 5.0 5.0 2.8 2.5 2.20
1
2345678
CCD INPUT PAL/4.43NT
/SECAM
+
CCD
VOB
CCD DELAY LINE
S/N
IC4002 TL8850AP
3.2 1.8 2.5 10.6 2.4 1.9 3.30
C4041
R4043
150V KS
C4044
X4001
NC
JUDGE PAL
INT
RP
MAIN
BPF
NTSC PAL
3839
NC NCNC
R4063
10K
BIAS
DC FB
CLOCK DRIVER
13141516
NC
C4043
0.01 B
0.01 B C4051_1
0.1 F
ENV.DET
ENV.DET
C4014
1.5K
1K
680
C4084
1.7
GND
1006.3V KS
4.9
3.1
2.4
180P CH
0
TRICK PB SW Q4019
DTC143TK
9
1011121314
GND
REC-Y/C
P.CON+5V
AE HEAD(-)
TRICK PB-H
NC NC
TRICK_PB-H
BUFFER Q4001 2SC2412K
R4003
1.8K
L4013
820
R4002
C4001
ARESINCE THESE PARTS MARKED BYCAUTION:
1
15
AE HEAD(+)
AE/FE_HEAD
C4077_1
22uH
L4005
11P CH
C4002
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
2
NC
180uH
0.001 B
16
FE HEAD(HOT)
FE HEAD(GND)
TO FE HEAD
CP4002_1 8122070A
GND
0.1 F
W961
W968
W962
NC
BUFFER
Q4004
2SC2412K
2.4
W983
0.1 F
C4081_1
C4082
4.9
1.8
R4006
R4061
BUFFER
Q4017
2SA1037AK
2206.3V KS
BUFFER
2SC2412K
2.2K
VCR_VIDEO_OUT
68
2.8
0
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
2345678
1
8
H.SW
TP4001
FROM/TO HEAD AMP
7
FROM/TO POWER/I/O
6
FROM TUNER/AUDIO
(V.IN-GND)
(V.OUT-GND)
(AE/FE-HEAD)
FROM/TO MICON
5
4
GND
P.CON+5V[B]
P.CON+9V
VCR_VIDEO_OUT
AT+5V
SWD_VIDEO_IN
TU.VIDEO[B]
AE/FE_HEAD
SDA
SCL
DV_SYNC[T]
DV_SYNC
COLOR_SYSTEM
FROM/TO SYSCON
V.REC_ST-H
ENV.DET
H.SW
DV_SYNC[S]
TRICK_PB-H
H.AMP_SW
SYNC
GND
NTSC-H
GND
GND
GND
ENV
TP4002
L4001
33uH 0607
3
2
EE/VV_VIDEO_OUT
TO CHROMA
EE/VV_VIDEO_OUT
1
PCB010 VM7125
P.CON+9V
CRITICAL FOR SAFETY,USE ONES DESCRIBED IN PARTS LIST ONLY
PB Y/C
H.AMP SW
CP4001(CP4104)
TMC-W16P-A1
H.AMP_SW
C4072
0.01 B
C4011_1
C4012_1
R4018
2SC2412K
R4020
0
0
1.7
NTSC-H
C4089
H.SW
H.SYNC
R4036 4.7K
H.SW
SYNC
C4076
0.1 F
0.1 F
20K
R4053
AMP
Q4016
1.6
10K
R4054
C4093
33P CH
SW Q4024
DTC124EKA
TRICK_PB-H
W824
0.1 B
V.REC ST-H
V.REC_ST-H
68P CH
R4001
3.0
0.9
0
ABC D E F GH
J-10
ABC D E F GH
8
7
6
5
4
3
2
CAUTION: DIGITAL TRANSISTOR
CAUTION: DIGITAL TRANSISTOR
1
FROM/TO HEAD AMP
CP1002(CP4103) TMC-W20P-A1
1
LOD-
2
LOD+
3
CYL DRIVE
4
CYL GND
5
CYL FG
6
CYL +B
7
CYL PG
8
GND
9
CTL-
10
11
MOTOR GND
12
CAP/M F/R
13
VCO
14
CTL
15
VCC
16
FG
17
I LIMIT
18
V.REF
19
AUDIO PB
20
AUDIO REC
FROM/TO TUNER/AUDIO
AUDIO_PB
AUDIO_REC
FROM POWER/I/O
S804Y
MOTOR GND
CP1001 TAS-X05X-D1
MS SW3
1
MS SW2
2
MS SW COM
3
MS SW1
4
MS SW0
5
FROM MODE SW
TO OPERATION 1
REC_LED
T-REC_LED
V.REC_ST-H
FROM/TO MICON
STR-B S.DATA-T-S S.DATA-S-T
S.CLK TRICK_PB-L
H.SW
CRITICAL FOR SAFETY,USE ONES DESCRIBED IN PARTS LIST ONLY
THE DC VOLTAGE AT EACH PART WAS
NOTE:
MEASURED WITH THE DIGITAL TESTER DURING PLAYBACK
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
W896
R1092
C1012
C1019
0.1 B
4.7K
R1093
C1018
47016V YK
BOT SENSOR Q1056
RPT-38PB113
0.001 B
SENSOR LED DRIVER
R1012
4.7K
R1094
5.2
0
Q1052
2SC2872S
33K
R1008
4.7K
R1095
R1051
47 1/2W
EOT SENSOR
RPT-38PB113
D1001 SLR-938C
-4-AB
5.0
0
ARESINCE THESE PARTS MARKED BYCAUTION:
R1009
33K
4.7K
MS-SW3
MS-SW2
MS-SW1
MS-SW0
Q1055
5.2
0
SYSTEM CONTROL SCHEMATIC DIAGRAM
5.3
V.REF CTL
Q1017
2SA1037AK
CYL_DRIVE
CYL_FG
CYL_PG
CTL-
W920
CAP_FG
47K
27K
R1075
R1006
D1004
1SS133
NTSC-H V.REC_ST-H
REEL-S
REEL-T
BUFFER
10010V KS
C1020
5.2
Q1051
2SC2412K
0
R1010
C1014
27K
0
0
0.001 B
390
R1011
C1051
0.01 B
EOT
BOT
SYNC
R1043
B
C1001
0.022
470 1/2W
10K
R1016
270
R1004
5.6K
6.2K
R1003
ATR_LED H.AMP_SW
PLAY_LED
R1090 22K
R1070 22K
R1022
R1046
22K
TAB SW
SW1010
MPU20250MLB0
R1041
R1044
56K
56K
SUPPLY
GP1S94
1K
R1045
REEL SENS
Q1053
5.3
R1017
100
R1018
100
R1019
100
R1020
100
4.7K
2
3
1
REEL-T
12
0
R1015
C1016
R1040
1K
DTC124EKA
1F
5.2
4.9
NC
5.2
0
0
0
5.2
1.2
1.9
5.1
0
0
0
5.2
NC
0
SERVICE
TP1001
4.7K 1/4W
0
34
01.2
Q1018
6566676869
70717273747576777879
0
SW
ATR LED
PLAY LED
REPEAT LED
NTSC-H
REEL-S
REEL-T
SENS LED
CE
COUNT P IN
S.DATA T-S
S.DATA S-T
S.CLK
COMP
SYNC IN
COUNT P OUT
CTL OUT
R1039
REEL-S
(SYSCON PCB)
0
4.9
0
EXT-H
MS-SW3
MS-SW2
MS-SW1
MS-SW0
C1002
C1003
22P CH
22P CH
REC_LED
T-REC_LED
X1001
8MHz
W857
02.12.05.25.205.35.35.35.300000 5.22.71.85.22.55.302.6
110
3
1.5K
BOT
TAKE UP
REEL SENS
Q1054
GP1S94
4
W969
ENV.DET
EOT
01.22.3
12
34
00
NC
1 VSAD H.AMP SW
2 BOT
3 CAS DOWN/SERVICE
4 EOT
5 VIDEO ENV DET
6 HI-FI ENV DET
7 DEW
8 SLOW TRACK OFF SET
9 CYLICAP MOTOR SELECT
10 VDAD
11 DFG OUT
12 DFG IN
13 DPG IN
14 CFG IN
15 CFG OUT
16 VSSA
17 VREF
18 CTL AMP-
19 CTL AMP OUT
20 CTL -
21 CTL +
22 VDPA
23 RESET B
24 TEST
7
8809
05.30 0000 005.3002.62.62.602.62.62.62.6 05.35.32.6
47K
R1023
R1091 10K
C1017
0.001 B
10K
R1078
IC1001
SYSCON/SERVO
OEC9032B
11 12 13 14 15 16 17 18 192 20 21 22 23 24
NC
8
9
10
11
C1048
0.0082 B
10K
R1038
4.7K
R1028
CYL_FG
CYL_PG
R1025
10K
W891
C1046
41 COLOR ROTARY
42 DUMMY-V SYNC
43 VDD
44 PWM 0
45 PWM 1
46 DRM ON
47 CAP ON
48 LDM REV
49 LDM FWD
50 CAP LIMIT
51 CAP F/R
52 VV-H
53 EXT IN-L
54 EXT-H
55 MS SW0
56 MS SW1
57 MS SW2
58 MS SW3
59 TAPE IN LED
60 REC LED
61 T-REC LED
62 CLOCK 0
63 CLOCK 1
64 VSS
12
R1031
C1024 100P CH
10K
R1029
150V KS
C1021_1
CAP_FG
100P CH
0
C1025
C1005
D1003
R1033
C1026
4716V KS
0.022 B
1SS133
13
C1047
120P CH
1K
C1006_1
2216V KS
C1011
R1057
0.1 F
R1058
22K
R1035
10016V KA
1M
R1036
C1027
0.001
CTL-
CYL_DRIVE
R1080
R1059 27K
17
14
560
10K
B
LOADING MOTOR DRIVE IC1002 OEC9029A
POWER
SAVE
11023456789
5.2
0013.2000013.2
EXT-H
C1009
DV_SYNC[S]
20K
R1005
C1008 0.1 B
39K
5.6K
W894
R1081
16
NC
41424344454647484955051525354555657585966061626364
40
0
NC
Hi-Fi L
C1030
0.1 B
REC-H
LP-H
2.6
2.7
5.2
5.3
5.3
5.3
0
0
0
30 31 32 33 34 35 36 37 38 39
5.2
5.2
5.2
25 26 27 28 29
VIDEO H.SW
V.REC START-H
TRICK PB L
SEARCH SPEED SW
2HEAD/4HEAD
BILINGAL-L
STEREO L
AUDIO DET IN
560
R1034
C1050
0.1 B
C1022
R1030
NC
NC
0
0 NC
NC 0
10K
1006.3V KS
15
R1083
1K
1F
C1036
R1002
R1047
D1009
1SS133
CONTROL LOGIC
TSD
1F
10K
R1052
H.SW
1K
C1053_1
0.1
W832
R1066
22K
TRICK_PB-L
W831
F
12.0
D1008
1SS133
TRICK_PB_5V DRIVER
Q1010
DTA124EKA
4.9
0
4.9
D1005
11ES1
NTSC SW
Q1002
DTC124EKA
R1042
2.7 1W
0
0
R1007
R1077
PCB010 VM7125
D1013
11E1
NTSC-H
5.1
47K
ENV.DET
39K
TRICK_PB-H
C1032
0.1 B
D1010
11E1N
MOTOR_GND
TO TUNER/AUDIO
W970 W921
NA_PB/LINE/TU LP-H V.REC_ST-H
FROM/TO Y/C
H.SW
DV_SYNC[S]
TRICK_PB-H
H.AMP_SW
SYNC
GND
NTSC-H
V.REC_ST-H
ENV.DET
FROM POWER/I/O
MOTOR_GND
GND
AT+12V
AT+5.6V
P.CON+5V
AT+5V
CAPSTAN AFC SIGNAL CYLINDER AFC SIGNAL CYLINDER APC SIGNAL
AUDIO SIGNAL(REC) AUDIO SIGNAL(PB)
8
7
6
5
4
3
2
1
ABC D E F GH
J-11
ABC D E F GH
TUNER/AUDIO SCHEMATIC DIAGRAM
8
7
6
5
4
TO POWER/I/O
AGC AFT
CP6115 171826-4
1
GND
2
AGC
3
AFT S.CURVE
4
IF
TEST POINT
IF
1415
11
10
9
8
7
+B
6
VL
5
VH
4
UHF
3
TU
2
AGC
1
1213
TU6001 UE25-B01
FROM POWER/I/O
TO CHROMA
VCR_AUDIO_OUT
W919
NC
NC
NC
NC
NC
NC
NC
B6101
BLM31A601SPT
P.CON+9V P.CON+5V
GND
L6102
0.47uH
C6001
W971
C6110 3.350V KA
0.022 B
R6116
R6115
C6113 0.022 B
W930
W982
C6105
22016V YK
C6002
0.1 F
C6104
1F
C6141 1 F
3
B6102
BLM31A601SPT
IC6303
C6317
0.022 B
1234
­+
VT DRIVER
VCC
IC6302 LA6358T
32.0 12.6 12.6 1.1
R6305
1K
UPC574J
4.750V KS
C6312
4.716V KS
C6402_2
C6313
R6309
W963
R6307
R6401
0.033 B
W886
+
-
C6314
R6308
C6315
D6402
100
0000
GND
R6306
0.033 B
0.015 M
MTZJ6.8C
5678
C6119
R6310
33K
C6316
1
47016V YK
1F
C6101
FROM/TO IF
VOLTAGE
CONVERTER
Q6304
2SC2412K
9.1
0.4
0
10K
R6311
0.015 M
W814
CP6001_2
6035B-12Z002-T
10K
R6312
P.CON 9V
C6319
GND
TU.VIDEO
TU.AUDIO
AFT S.CURVE
NC NC NC
W911
TU.VIDEO[B]
220P CH
P.CON+5V
PWM_VT
101112
AGC
AGC CTL
DTC143EKA
SWD_AUDIO_IN
TU_AUDIO_OUT
IF
T.AUDIO MUTE
Q6101
TU_MUTE
(SYSCON PCB)
W844
0
0
0
R5001
W813
1016V KS
C5012_1
1F
100uH
L6105
C6123
GND
AUDIO REC/PB AMP
IC5001 LA7289
33K
W912
P.CON+5V
AGC_CONTROL
TU_AUDIO_OUT
W805
3.9K
R5003
R5005
3.9K
13 14 15 16 17 18 19220 21 22 23 24
DET ALC
LINE TUNER
C50021FC5009
C5004
470P B
R5006
15K
R5002
22K
6.8K
R5010
C5005
0.01 B
470
R5007
R5004
15K
0.1 F
4.750V KA C5008_1
C5006
3.7 3.8 3.8 0.7
REC
LINE
MUTE
03.8 3.8 0 3.8 3.8 3.8 3.8 0 0 9.2
C5007
470P B
R5008
27K
00 4.9 0 0 9.2 9.2 3.8
EP/ LP/
SP
PB
PB
ALC
1F
3.350V KA
C5010
C6149_1
NA_PB/LINE/TU
C5019
PB/
LINE/
MUTE
TUNER
C5013_1
0.1 F
C5011_1
1.8M
R5011
4706.3V YK
VCR_MUTE
V.REC_ST-H
0.1 B
D5001
R5026
REC /EE
REC
SP. LPPB
3.8
R5015
8.2K
150V KS
R5016
0.01 B
4.7K
R5013
10K
R5014
S807Y S807X
EQ
C5014
R5017
1SS133
1K
RIPPLE FILTER
10K
C5017
R5018_1
REC
2216V KA
68
C5030
C5023
AUDIO_PB
R6103
1016V KA
R5021
4.750V KS
5.6K
C5016
1.8K
LP.EP REC
REC
PB
3456789
4716V KA
C5018_1
C5020
0.001 B
R5022
33K
+-1%
EP PB
ADI
AUTO
REC
R5020
560
AUDIO_REC
BIAS
0.1 F
AC
1101112
C5022
0.0012 B
C5027_1
1016V KS
C5024
AE/FE_HEAD
0.022100V PP
L5001
100uH
0607
C5029
0.01 B
6
4.5
BUFFER
2SC2412K
C6122
0.022 B
LP-H
BIAS OSC
Q5004
2SC1317
9.2
3.9
Q6104
R6109
9.19.1
9.1
R5027
4.7K
W873
1
2345
BIAS OSC COIL
T5001
3626010
3.9K
P.CON+9V
W923
C5028
0.01 B
R6110
W924
C6116
10K
L5005
C5026
0.4750V KA
D6007
1mH
4716V KA
R6106
MTZJ5.1C
C5025
ATS.LEVEL
18K
AFT_S.CURVE
0.022 B
FROM/TO SYSCON
AUDIO_PB
AUDIO_REC
NA_PB/LINE/TU
V.REC_ST-H
LP-H
TO Y/C
SWD_VIDEO_IN TU.VIDEO[B] AE/FE_HEAD
FROM/TO MICON
ATS.LEVEL VCR_MUTE AFT_S.CURVE AGC_CONTROL PWM_VT TU_MUTE TU.VIDEO[B]
56789
234
8
7
6
5
4
3
SWD_VIDEO_IN
2
RECORD LUMINANCE SIGNAL RECORD COLOR SIGNAL
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
TUNER VIDEO SIGNAL
1
AUDIO SIGNAL(PB)
CRITICAL FOR SAFETY,USE ONES DESCRIBED IN PARTS LIST ONLY
AUDIO SIGNAL(REC)
ARESINCE THESE PARTS MARKED BYCAUTION:
SWD_AUDIO_IN
FROM/TO POWER/I/O
GND
VCR_AUDIO_OUT
AV_SW_AUDIO_IN
AV_SW_VIDEO_IN
NC
123
6
R5023
15.6KHz TRAP
NC
820
C5021
0.039 B
PF5001
2623003
4
VCR_AUDIO_OUT
CAUTION: DIGITAL TRANSISTOR
THE DC VOLTAGE AT EACH PART WAS
NOTE:
MEASURED WITH THE DIGITAL TESTER DURING PLAYBACK
PCB010 VM7125
2
1
ABC D E F GH
J-12
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