Y/C/Audio/Head Amp; Micon/In/Out - Toshiba MV13DM2 Service Manual

CP4001
1
SP-CH2 (L)
2
CYL
3 SP_COM
4 SP-CH1 (R)
TV VD
CP4003
1 FE HEAD (HOT)
FE HEAD
2
FE HEAD (GND)
CP4002
6 AUDIO PB
5
AUDIO REC
HEAD
4 CTL+
AUDIO
3 CTL-
CONTROL
2 AE HEAD(-)
1 AE HEAD(+)
E-3
Y/C/AUDIO/HEAD AMP BLOCK DIAGRAM
X4001
3.579545MHz
Q4012
BUFFER
Y/C/AUDIO/HEAD AMP IC
IC4001
LA71205M-MPB
50 49 41
PLL
VX01
NC
67
P L
H
NC 66 R
HA
62
GND
P
65
72
P H
L
R
73
C-LPF
74
P
VREF
9
REC AMP
7
8
EQ
AUTO BIAS
AMP
6
PB.EE
11
3 4 5
COIL, BIAS OSC
T4001
Q4005
5 2 BIAS CTL
6 3
Q4006
BIAS OSC P. CON + 5V
4 1
Q4001, Q4002
Q4003
AUDIO PB
SW
SW.
Q4010
37
34
TIMMING
REC REC
APC
APC
DRIVER
3.58M
BPF2
R P
CLAMP
CLAMP
AUTO-BIAS
Main
CONV
CCD
B-UP
AGC
AMP
OUT
VCA
3.58M
ACC
BPF1
DET VIDEO
AGC
NYR/COMB
QV-QH
1
ALC 2
R
LINE
3 1 2 3
LPF
AMP
P
MUTE
10 80 76 32 30 28
2 78
NC
BUFFER
53
SERAIL
54
DECODER
55
36
39
SYNC C-ROT
RF-SW IN 57
SEP
AUDIO
58
MUTE HA SW
59
ENV DET
60B
Q4009
24
SYNC
SEP Q4007
26
BUFFER
25 SYNC
Y/C_CLK
MICON/
Y/C_DATA
IN/OUT
Y/C_CS
H. SW
VCR_A_MUTE
ENV. DET
V.REC_ST-H
MICON/
IN/OUT
DUMMY_V. SYNC
SD_VIDEO
SD_SYNC
TU_VIDEO
TU_AUDIO
TV
MONITOR_A
FRONT_V
FRONT_A
MICON/
IN/OUT
CTL+
CTL-
E-4