Y/C/Audio/Ccd/Head Amp/In/Out Block Diagram - JVC TV-13142 Service Manual

Tv/vcr combo
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Y/C/AUDIO/CCD/HEAD AMP IC
IC4001
LA71201M-MPB
CP4001
9
GND
8
GND
7
GND
6
SP-CH1 (R)
CYL
5
SP_COM
4
SP-CH2 (L)
3 EP/LP-CH1 (R)
2
EP/LP_COM
1
EP/LP-CH2 (L)
CP4003
1
FE HEAD (HOT)
FE HEAD
2
FE HEAD (GND)
CP4002
6
AUDIO PB
5
AUDIO REC
HEAD
4
CTL+
AUDIO
CONTROL
3
CTL-
2
AE HEAD(-)
1
AE HEAD(+)
Q4001, Q4002
AUDIO PB SW

Y/C/AUDIO/CCD/HEAD AMP/IN/OUT BLOCK DIAGRAM

X4001
3.579545MHz
Q4012
BUFFER
41
50
49
43
PLL
VX01
67
P
L
H
66
R
3.58M
BPF2
HA
62
GND
Main
P
65
CONV
72
P
H
L
73
R
C-LPF
74
P
ACC
DET
9
REC AMP
7
8
EQ
AUTO BIAS
AMP
6
PB.EE
11
5
3
4
2
COIL, BIAS OSC
T4001
Q4005
5
2
BIAS CTL
6
3
Q4006
BIAS OSC
P. CON + 5V
4
1
Q4003
SW
No.51810
TV-13142
TV-13142
TV-13142W
TV-13142W
Q4010
BUFFER
38
37
VSS
REC
REC
APC
APC
R
P
CLAMP
AUTO-BIAS
CCD
B-UP
AGC
AMP
UOT
VCA
3.58M
BPF1
VIDEO
SYNC
AGC
SEP
NYR/COMB
QV-QH
1
2
R
ALC
LINE
3
1 2 3
LPF
AMP
P
SYNC
SEP
MUTE
80 76
32
30
10
28
NC
NC
2-5
2-6
53
SERAIL
54
DECODER
55
36
39
C-ROT
57
RF-SW IN
AUDIO
58
MUTE HA SW
ENV DET
59
60B
24
26
25
No.51810
Y/C_CLK
MICON/ POWER/
Y/C_DATA
OPERATION/ DECK
Y/C_CS
H. SW
VCR_A_MUTE
ENV. DET
V.REC_ST-H
MICON/ POWER/
OPERATION/
DECK
DUMMY_V. SYNC
SD_VIDEO
SD_SYNC
Y/C_VIDEO
TO_VIDEO
TV
TO_AUDIO
MICON/ POWER/
FRONT_AUDIO
OPERATION/
DECK
Y/C_AUDIO
MICON/ POWER/
CTL+
OPERATION/
CTL-
DECK

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