JVC TV-13142 Service Manual page 7

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