JVC TV-13142 Service Manual page 7

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