Y/C/Audio/Ccd/Head Amp Schematic Diagram - JVC TV-13142 Service Manual

[ SYSCON PWB(Y/C/AUDIO/CCD/HEAD AMP) CIRCUIT DIAGRAM ]
A
8
7
FROM/TO POWER
P.CON+5V
GND
W858
NC
6
FROM/TO CYL/MOTOR
CP4001
TOC-C09X-A1
9 GND
8 GND
7 GND
6 SP-CH1 (R)
5 SP COM
5
4 SP-CH2 (L)
3 EP/LP-CH1 (R)
2 EP/LP COM
1 EP/LP-CH2 (L)
P.CON+5V
4
TU_AUDIO
P.CON+5V
15 1/4W
FRONT_AUDIO
3
FROM/TO A/C HEAD
P.CON+5V
CP4002
IMSA-9604S-06Z14
V.REC_ST_H 0
6 AUDIO PB
5 AUDIO REC 5.3
CTL+
4 CTL+
CTL-
3 CTL-
R4001
2 AE HEAD(-)
560
1 AE HEAD(+)
2
0
AUDIO
R4002
PB SW
0.7
Q4001
10K
KTC3198
0
0
AUDIO
R4003
PB SW
FROM/TO F/E HEAD
Q4002
0.7
10K
CP4003 TMC-T02X-E1 KTC3198
0
GND
2 FE HEAD(GND)
HOT
1 FE HEAD(HOT)
1
CAUTION: DIGITAL TRANSISTOR
A
B C

Y/C/AUDIO/CCD/HEAD AMP SCHEMATIC DIAGRAM

0.5
60 59
C4016 COMP OUT
2.2 ENV
KILL DET
0.068 B DET
0
HA
GND
C4019
4.0
CHROMA
DET
0.047 F
C4015
1.8
ACC
DET
0.047 F
0.7
P
0.7
R
0.7
P
L4001
5.0
HA VCC
22uH
R4064
1.7
0305
6.8K
R4012_1
1.8
820
0
HA
PRE GND
2.0
P
2.0
R
2.0
P
0
A-GND
R4052
R4007 C4020
8.2K 2.2
1
2
39K 1/4W 0.1 F
3
R4004
4.9
A-VCC
R4006
2.3
NC
47K 1/4W
C4023_1
0
6.3V 22 MH7
C4012_1 R4053 C4021
2.0
Vref
6.3V 22 MH7 6.8K 0.1 F
2.3V
Y/C/A/CCD/H.AMP 1 2
2.2
IC4001
LA71201M-MPB
5.2
SW
Q4003
KRA103RTK
COIL,BIAS OSC
T4001
1626009 BIAS CTL
Q4005
6 1
2SA1015Y
L4003 C4025_1
5 2
0 5.2
100uH
6.3V 220 KA
4 3
0305
5.2
R4011
5 0
BIAS OSC
22K
Q4006
0
2SC2120Y
0
C4010_1
6.3V 47 MH7
NOTE: THE DC VOLTAGE AT EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK
B C
No.51810
TV-13142 TV-13142
TV-13142W TV-13142W
D E
(SYSCON PCB)
BUFFER
Q4012
2SC2412K
5.0
R4041
4.0
1.8K
3.4
C4058_1
6.3V 47 MH7
C4059
0.1 F
R4038
2
680K
NC
2.8 0 0 0 4.8 4.8 4.8 5.0 1.9 2.6 4.0 3.3 3.3 2.3 5.0 5.0 0 2.2
58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42
VDD 4Fsc
AUDIO ALWAYS
C-ROT C-GND C-VCC
SERAIL
MUTE RF-SW 320FH 5V
SLD
VX01 B PLL
HA SW IN VCO
DECODER
P R
TIMMING OUT
REC
REC PB
APC APC AFC DRIVER AUTO-BIAS
CCD CLAMP
BEFORE
R P BGA
BGA
AFTER
CNC
BGA
R P
PB VCA
AMP
P R
3.58M
H
BPF2
L
CLAMP
B.D
Main B-UP
C-LPF
CONV AMP P
3.58M
ACC
AMP BPF1 1
P P R
2
+ 3
PB-C
ACC
4.21M
DET
VIDEO
BPF
AGC
YNR/COMB
Sub
P R R
CONV
P
1/2
DETAIL R
N.L.
CLAMP
H PB-C FBC
ENH DEEM
P
L
Y-LPF
R
NL NL
Y/C
NC1 P
EMPHA
EMPHA R MIX
R
P
FM
MOD
R-EQ
NORMAL QV/QH 6DB
TEST
DOUBBLE
FM SUB
LIM DEM LPF
SYNC
SEP
ALC R
LINE
LPF REC
P AMP MAIN
FM-EQ
DE-EM V.SYNC
SEP
ALC
FM PB
S-EQ
DET VREF P R
P R AGC FM EQ P R
VHS
SOPB
REC
MUTE
PB,EE
PB,EE AMP
EQ
REC:LP<EP
AMP
PHASE PHASE MAIN
PB:EP AUTO FM
SP,LP
BIAS EQ EQ AGC EMPHA S
Y-GND
fo-ADJ Q-ADJ FIL DET
FIL
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
2.2 2.3 2.2 2.2 2.5 2.3 2.2 2.3 2.4 5.0 1.0 1.0 1.7 1.4 0 0 1.5 0.1
NC
3
R4021
NC
22K
V.ENV
C4033
TP4001
R4019 820P B
4
330K
C4029
0.01 F
BUFFER
Q4011
2SC2412K
4.9
R4037
0.6 W837
R4056
R4059
10M 390
0
10M
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
D E
2-13 2-14
F
W818
C4061
0.01 F
0.8
41
CLOCK
0 BUFFER
VSS Q4010
2SA1037AK
1.7
1.7
OUT
0
0 2.3
VSS
R4034
3.0
IN
68K
C4048_1 R4035
2.8
16V 10 MH7 100K
C4052_1
VCA 3.1
50V 4.7 MH7
C4049_1
3.1
R4062 3.3M
16V 10 MH7
2.6
VCP
C4053
C4057
2.0
50V 4.7 KA TU_VIDEO
50V KA 1
C4054
4.0
REG
4V
0.1 F
C4047_1
2.0 FRONT_VIDEO
NC
D4001 MTZJ6.8B
16V 10 KA
C4050
BAL 2.3
TC1
R4048 L4009
50V 0.22 KA P.CON+5V
2.3
68 1/4W 100uH
0305
1.6 R4060 1.5M
AGC
TC2
C4051_1 1
R4032 R1025
2.9
Y/C_VIDEO
10V 33 MH7
100 1/4W 100
3.6
SD_VIDEO
0
DUMMY_V.SYNC
L4004
4.9
P.CON+5V
Y-VCC
22uH
C4046 5.0
2.8 0305
BUFFER
0
50V 3.3 KA
Q4009
1.8
2SA1037AK
B
5.0
20
2.2
R4026 C4043
SD_SYNC
39K 0.1 F
2.8
R4029
0.7
47K 1/4W
0
SYNC IN
Q4007
2SC2412K
F
No.51810
G H
8
7
FROM/TO I/O
FRONT_AUDIO
FRONT_VIDEO
Y/C_AUDIO
Y/C_VIDEO
6
FROM/TO MICON
Y/C_CLK
Y/C_DATA
Y/C_CS
V.REC_ST_H
C_ROTARY
VCR_A_MUTE
DUMMY_V.SYNC
CTL-
CTL+
H.AMP_SW1
COMP
5
ENV_DET
H.SW
SD_VIDEO
SD_SYNC
4
FROM/TO CHROMA/IF
TU_VIDEO
TU_AUDIO
SD_VIDEO
3
Y/C_AUDIO
VD
PLAYBACK COLOR SIGNAL
2
PLAYBACK LUMINANCE SIGNAL
AUDIO SIGNAL(REC)
AUDIO SIGNAL(PB)
RECORD LUMINANCE SIGNAL
RECORD COLOR SIGNAL
PCB800
VMA213
1
G H