JVC TV-13142 Service Manual page 7

Y/C/AUDIO/CCD/HEAD AMP IC
IC4001
LA71201M-MPB
67
66
62
GND
CP4001
9
GND
8 GND 65
GND
7 72
6 SP-CH1 (R)
CYL
5 SP_COM
73
4 SP-CH2 (L)
74
3 EP/LP-CH1 (R)
2 EP/LP_COM
EP/LP-CH2 (L)
1
9
7
CP4003
1 FE HEAD (HOT)
FE HEAD
8
2 FE HEAD (GND)
6
CP4002 COIL, BIAS OSC
T4001
6 AUDIO PB
5
AUDIO REC 5
HEAD
4 CTL+
AUDIO
6
3 CTL-
CONTROL
2
AE HEAD(-)
1 AE HEAD(+) 4
Q4001, Q4002
AUDIO PB SW
No.51810
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TV-13142
TV-13142W
Y/C/AUDIO/CCD/HEAD AMP/IN/OUT BLOCK DIAGRAM
X4001
3.579545MHz
Q4012
BUFFER
38
50 49 41
43
VSS
PLL
VX01
REC
P L
APC
H
R
3.58M
BPF2
HA
R P
Main
P
CONV
P H
L
B-UP
R
AMP
C-LPF
P
3.58M
ACC
BPF1
DET
REC AMP
LINE
LPF
AMP
EQ
AUTO BIAS
AMP
MUTE
PB.EE
11 4 5 80 76
3 2 10
Q4005
2 BIAS CTL
3
Q4006
BIAS OSC P. CON + 5V
1
Q4003
SW
2-5
TV-13142
TV-13142W
Q4010
BUFFER
37
REC
APC
CLAMP AUTO-BIAS
53
CCD SERAIL
54
DECODER
55
AGC
UOT
VCA
36
39
VIDEO SYNC
C-ROT
57
AGC SEP
RF-SW IN
AUDIO
58
MUTE HA SW
NYR/COMB
QV-QH
ENV DET 59
1
60B
2
R ALC
3 1 2 3
P
24
SYNC
SEP
26
25
32 30
28
NC
NC
2-6
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
No.51810