Toshiba MV13P2 - Tape Search and Tracking

Y/C/AUDIO/HEAD AMP BLOCK DIAGRAM
X4001
3.579545MHz
30
2
80
76
32
10
67
65
7
9
6
8
36
39
59
4
5
3
SYNC
SEP
CP4001
4
3
2
SP-CH1 (R)
SP_COM
SP-CH2 (L)
CYL
AE_HEAD (-)
GND2
1
CP4003
FE HEAD
CP4002
6
5
4
AUDIO REC
AUDIO PB
CTL+
HEAD
AUDIO
CONTROL
3
2
1
AE HEAD(+)
AE HEAD(-)
CTL-
CTL+
CTL-
MICON/
IN/OUT/AV
Y/C/AUDIO/HEAD AMP IC
IC4001
LA71206M-MPB
TV
50 49
41
37
57
58
25
24
26
66
72
74
73
H
P
T4001
H. SW
VCR_A_MUTE
ENV. DET
DUMMY_V. SYNC
SD_VIDEO
SD_SYNC
TU_VIDEO
Y/C/AUDIO
6
2
3
1
5
Q4005
BIAS CTL
11
4
P. CON + 5V
1
C-ROT
RF-SW IN
AUDIO
MUTE HA SW
ENV DET
Q4006
BIAS OSC
Q4003
SW
Q4001, Q4002
AUDIO PB
SW.
Q4012
BUFFER
COIL, BIAS OSC
R
P
P
R
P
L
H
L
C-LPF
REC AMP
AUTO BIAS
EQ
AMP
PB.EE
MUTE
LINE
AMP
LPF
ALC
1
2
3
R
P
1
2
3
28
QV-QH
60B
SYNC
SEP
VIDEO
AGC
VX01
REC
APC
REC
APC
RP
Main
CONV
3.58M
BPF2
B-UP
AMP
AGC
ACC
DET
3.58M
BPF1
NYR/COMB
OUT
CCD
CLAMP
AUTO-BIAS
VCA
V.REC_ST-H
NC
NC
TU_AUDIO
MICON/
IN/OUT/AV
55
53
54
Y/C_CLK
Y/C_DATA
Y/C_CS
MICON/
IN/OUT/AV
SERAIL
DECODER
Q4007
SYNC IN
Q4009
BUFFER
FRONT_VIDEO
Q4010
BUFFER
FRONT_AUDIO
VD
TV
VREF
PLL
TIMMING
DRIVER
34
CLAMP
NC
E-3 E-4