Y/C/Audio/Head Amp Block Diagram - Toshiba MV13L3C Service Manual

CP4001
6 SP-CH1 (R)
5 SP_COM
CYL
4 SP-CH2 (L)
3 EP/LP-CH1 (R)
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(+)

Y/C/AUDIO/HEAD AMP BLOCK DIAGRAM

X4001
3.579545MHz
Q4012
BUFFER
Y/C/AUDIO/HEAD AMP IC
IC4001
LA71201M-MPB
50 49 41
PLL
VX01
67
P L
H
66 R
HA
62
GND
65 P
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 2 BIAS CTL
6 3
Q4006
BIAS OSC P. CON + 5V
4 1
Q4001, Q4002 Q4003
AUDIO PB SW SW
Q4010
BUFFER
43 34 37
REC
REC
APC
APC
3.58M
BPF2
R P
CLAMP AUTO-BIAS
Main
CONV
CCD
B-UP
AGC
AMP
VCA
ACC
3.58M
DET BPF1
VIDEO
AGC
NYR/COMB
1
2
R ALC
LINE
3
1 2 3
LPF
AMP
P
MUTE
32
2 10 80 76 30
NC
53
SERAIL
54
DECODER
55
OUT
36
39
SYNC
C-ROT
SEP
57
RF-SW IN
AUDIO
58
MUTE HA SW
QV-QH 59
ENV DET
60B
24
SYNC
SEP
26
25
28
AUDIO SIGNAL(REC)
AUDIO SIGNAL (PB)
PLAYBACK COLOR SIGNAL
PLAYBACK LUMINANCE SIGNAL
RECORD COLOR SIGNAL
RECORD LUMINANCE SIGNAL
TUNER VIDEO SIGNAL
Y/C_CLK
MICON/
OPERATION/IN/
Y/C_DATA
OUT/ DECK
Y/C_CS
H. SW
VCR_A_MUTE
ENV. DET
V.REC_ST-H
MICON/
OPERATION/IN/
OUT/DECK
DUMMY_V. SYNC
SD_VIDEO
SD_SYNC
SD_VIDEO
TU_VIDEO
TV
TU_AUDIO
Y/C_AUDIO
FRONT_VIDEO
MICON/
OPERATION/IN/
FRONT_AUDIO
OUT/DECK
MICON/
CTL+
OPERATION/IN/
CTL- OUT/ DECK