Y/C/Audio/Ccd/Head Amp - Toshiba MV9DM2 Service Manual

Color television/ video cassette recorder
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A
B
8
FROM REGULATOR
7
P.CON+5V
GND
6
5
L4001
P.CON+5V
22uH
0305
FROM/TO CYL/MOTOR
CP4001_1
4
TOC-C04X-B1
4
SP-CH1 (R)
3
SP COM
R4071
REAR_A
2
SP-CH2 (L)
47K
1
TUNER_A
R4004
P.CON+5V
15 1/4W
FRONT_A
6.3V
3
FROM/TO A/C HEAD
P.CON+5V
CP4002
5.2
SW
IMSA-9604S-06Z14
0
V.REC_ST_H
Q4003
6
AUDIO PB
KRA103SRTK
5.3
5
AUDIO REC
CTL+
4
CTL+
CTL-
3
CTL-
R4001
2
AE HEAD(-)
560
1
AE HEAD(+)
2
0
AUDIO
R4002
0.7
5
PB SW
Q4001
10K
KTC3198
0
AUDIO
TO F/E HEAD
PB SW
0
R4003
Q4002
0.7
CP4003
KTC3198
TMC-T02X-E1
10K
0
GND
2
FE HEAD(GND)
HOT
1
FE HEAD(HOT)
1
A
B
All manuals and user guides at all-guides.com
C
Y/C/AUDIO/CCD/HEAD AMP SCHEMATIC DIAGRAM
NC
0.5
2.8
0
60
59
58
2.2
C4016
COMP OUT
ENV
AUDIO
C-ROT
KILL
DET
MUTE
RF-SW
0.068 B
DET
HA SW
0
HA
GND
C4019
4.0
CHROMA
DET
0.047 F
C4015
1.8
ACC
DET
0.047 F
0.7
P
0.7
NC
R
H
0.7
P
NC
L
5.0
HA VCC
R4064
1.7
R4012
6.8K
1.8
820
0
HA
PRE GND
2.0
P
H
2.0
L
R
2.0
C4024
P
0
0.1
F
A-GND
R4052
R4007
C4020
2.2
5.6K 1/4W
1
ALC
2
39K
0.1 F
3
4.9
A-VCC
2.3
R4006
C4021
ALC
DET
R4053
C4012
47K
0.1 F
C4023
4.7K
0
22
KA
6.3V
22
KA
2.0
SP,LP
Vref
2.3V
Y/C/A/CCD/H.AMP
1
2
3
IC4001
2.2
2.2
2.3
2.2
LA71201M-N-MPB
COIL,BIAS OSC
C4025
T4001
BIAS CTL
1626009
Q4005
6.3V
220
YK
6
1
L4003
KTA1266
5
2
0
5.2
100uH
4
3
0305
5.2
R4011
0
R4057
BIAS OSC
22K
Q4006
0
6.8K
KTC3203_Y
0
C4010
6.3V
47
KA
C
D
E
(SYSCON PCB)
BUFFER
Q4012
2SC2412K
R4041
5.0
4.0
1.8K
3.4
C4058
6.3V
47
KA
C4059
0.1 F
R4038
2
680K
NC
0
0
4.8
4.8
4.8
5.0
1.9
2.6
4.0
3.3
3.3
2.3
5.0
5.0
0
2.2
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
ALWAYS
VDD
4Fsc
CLOCK
C-GND
C-VCC
SERAIL
320FH
5V
SLD
VSS
VX01
B
PLL
IN
DECODER
VCO
P
R
TIMMING
OUT
OUT
REC
PB
REC
AFC
APC
APC
DRIVER
AUTO-BIAS
CLAMP
CCD
BEFORE
P
R
BGA
BGA
AFTER
CNC
BGA
R
P
VCA
PB
VCA
AMP
P
R
3.58M
BPF2
CLAMP
B.D
Main
B-UP
C-LPF
CONV
AMP
P
VCP
ACC
3.58M
BPF1
AMP
1
P P
R
2
+
3
PB-C
ACC
REG
4.21M
4V
DET
VIDEO
BPF
YNR/COMB
AGC
Sub
P
R
R
CONV
P
1/2
BAL
R
DETAIL
N.L.
CLAMP
FBC
TC1
ENH
DEEM
PB-C
P
Y-LPF
R
NL
NL
Y/C
NC1
P
EMPHA
EMPHA
MIX
R
R
P
AGC
FM
TC2
MOD
R-EQ
NORMAL
QV/QH
6DB
TEST
DOUBBLE
FM
SUB
LIM
DEM
LPF
SYNC
SEP
R
LINE
LPF
REC
AMP
MAIN
P
FM-EQ
DE-EM
V.SYNC
SEP
PB
FM
S-EQ
VREF
P R
P R
AGC
FM EQ
P R
Y-VCC
VHS
SOPB
REC
MUTE
PB,EE
AMP
PB,EE
EQ
REC:LP<EP
AMP
PHASE
PHASE
MAIN
PB:EP
AUTO
FM
EQ
S
B
BIAS
EQ
AGC
EMPHA
Y-GND
fo-ADJ
Q-ADJ
FIL
DET
FIL
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
0
1.5
2.2
2.5
2.3
2.2
2.3
2.4
5.0
1.0
1.0
1.7
1.4
0
0.1
2.2
NC
3
R4021
NC
22K
V.ENV
C4033
TP4001
R4019
820P B
4
330K
C4029
0.01 B
BUFFER
Q4011
2SC2412K
4.9
NC
0.6
R4014
R4056
10M
0
390
15.6KHZ TRAP
L4007
2623003
NOTE:
THE DC VOLTAGE AT EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK
D
E
F
C4061
0.01 F
C4079
100P CH
0.8
0
BUFFER
Q4010
2SA1037AK
1.7
1.7
0
0
2.3
VSS
R4034
3.0
IN
C4048
68K 1/4W
R4035
2.8
16V
10
KA
C4052
100K
3.1
C4049
50V
4.7
KA
3.1
R4062
3.3M
16V
10
KA
2.6
C4053
2.0
50V
4.7
KA
C4057
50V
1
KA
TUNER_V
C4054
4.0
REAR_V
0.1 F
2.0
C4047
FRONT_V
C4050
16V
10
KA
2.3
R4048
W846
50V
2.2
KA
C4077
P.CON+5V
2.3
68 1/4W
R4060
1.5M
50V
1
KA
1.6
C4051
1
R4032
2.9
KA
W845
6.3V
33
CHROMA_V
100
3.6
SD_VIDEO
0
DUMMY_V.SYNC
L4004
4.9
P.CON+5V
C4046
22uH
5.0
2.8
0305
0
BUFFER
50V
3.3
KA
Q4009
1.8
2SA1037AK
5.0
R4026
C4043
SD_SYNC
39K
0.1 F
2.8
R4029
0.7
47K
0
SYNC IN
Q4007
2SC2412K
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
F
G
H
8
7
FROM/TO IN/OUT
REAR_A
REAR_V
FRONT_A
FRONT_V
Y/C_AUDIO
CHROMA_V
FROM/TO MICON
Y/C_CLK
Y/C_DATA
6
Y/C_CS
V.REC_ST_H
VCR_A_MUTE
DUMMY_V.SYNC
CTL-
CTL+
ENV_DET
H.SW
SD_VIDEO
SD_SYNC
5
4
FROM/TO CHROMA/IF
TUNER_V
TUNER_A
CHROMA_V
Y/C_AUDIO
3
VD
RECORD COLOR SIGNAL
PLAYBACK LUMINANCE SIGNAL
PLAYBACK VIDEO SIGNAL
2
AUDIO SIGNAL(REC)
AUDIO SIGNAL(PB)
TUNER VIDEO SIGNAL
RECORD LUMINANCE SIGNAL
RECORD COLOR SIGNAL
PCB010
VMA238
CAUTION: DIGITAL TRANSISTOR
1
G
H

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