Y/C/Audio/Head Amp Schematic Diagram - Toshiba MV19K2 Service Manual
Color television/video cassette recorder
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Also See for MV19K2:
- Owner's manual (58 pages) ,
- Owner's manual (58 pages) ,
- Service manual (71 pages)
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A
B
8
FROM POWER
P.CON+5V
7
GND
R4005
Y/C_AUDIO
1.5K
C4001
0.027 B
15.6KHZ TRAP
L4001
2623003
NC
6
FROM/TO CYL/MOTOR
NC
CP4001_1
TOC-C04X-B1
4
SP-CH1 (R)
W854
3
SP COM
2
SP-CH2 (L)
1
5
ENV_DET
4
5.2
5.1
V.REC_ST_H
FROM/TO A/C HEAD
21.1
3
CP4005
52045-0645
6
AUDIO PB
5
AUDIO REC
CTL+
4
CTL+
R4001
CTL-
3
CTL-
560
2
AE HEAD(-)
2.7
1
AE HEAD(+)
AUDIO
R4003
21.2
PB SW
Q4001
4.7K
2SC2274
15.1
AUDIO
15.1
PB SW
R4004
2
20.8
Q4002
2SC2274
4.7K
0
TO F/E HEAD
CP4004
TMC-T02X-E1
2
FE HEAD(GND)
1
FE HEAD(HOT)
1
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
NOTE:
THE DC VOLTAGE AT EACH PART WAS
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK
A
B
All manuals and user guides at all-guides.com
C
Y/C/AUDIO/HEAD AMP SCHEMATIC DIAGRAM
C4097
0.1 B
C4079
0.1 B
L4006
C4078
100uH
6.3V
47
KA
W868
BUFFER
Q4004
C4002
2SC2412K
5.4
R4064
0.01 B
2.9
47K
2.3
2.5
2.5
2.5
0
80
79
78
77
0
H.A GND
4.5
Vref
0
2.3V
4.5
R4012
4.5
H.A GND
3.9K
0
H.A VCC
5.4
0
0
NC
4.0
0
COMP
C4016
REC FM
OUT
C4005
R4058
AGC2 DET
W845
50V
1
KA
1.6
R4059
ENV
0.33 B
15K
DET
2.5
1K
2.9
A.GND
MUTE
0
C4012
ALC
R4008
AUTO
2.4
DET
50V
4.7
KA
10K
17
BIAS
0
C4013
REC/EE
Vref
2.5
0.1 B
PB/EE
REC:
5.0
EQ
EP/LP
AMP
PB:EP
2.5
L4002
C4015
1
2
3
4
0
0
0
2.5
6.3V
100
KA
100uH
SW
0607
R4016
Q4003
DTA124EKA
DRIVER
22K
5.3
Q4005
R4018
2SA1318
5.0
5.0
56K
R4060
6
1
47
5
2
R4023
4
3
L4003
330K
1626007
C4022
5.3
0.01 B
0.7
0
BIAS OSC
Q4006
2SC1317
CAUTION:
SINCE THESE PARTS MARKED BY
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
C
D
E
(SYSCON PCB)
C4095
100P CH
L4014
C4082
68uH
18P CH
W813
R4067
120 1/4W
R4044
1.8K 1/4W
ENV
TP4001
NC
NC
NC
NC
2.5
5.0
1.9
2.0
3.4
2.6
3.0
4.2
0
2.0
3.0
4.1
3.3
3.5
3.5
3.5
5.3
3.5
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
A-Vcc
C-GND
REC
C-Vcc
APC
S-DET
OUT
VXO
SLD
R
P
KIL
320FH
DET
VCO
KIL
ALC
COMB
CCD
BEFORE
AMP
LPF
R
P
PB BGA
AFTER
BEFORE
BPF1
REC
PB BGA
320FH
CLAMP
BGA
AFTER
VCO
P
R P
VXO
XO
Sub
PB_FM
R
P
R
Y.N.R
CONV
AGC
C-LPF
REC FM
BALANCER Main
Y-LPF
AGC2
CONV
ACC
R
P
DET
P
B-UP
R
P
AMP
ACC
BPF2
R
REC
FM_AGC1
REC
FM
FM
SUB
1/2
FM-AGC
DEM
DEM
LPF
P
R
R
P
R
LINE
P
FBC
AMP
W/D
DOUBLE
NL
DETAIL
S-EQ
CLIP
LIM
EMPHA
ENH
S
SYNC
PB_FM
R
SEP
Vref
EQ
N
PB
REC
P
/EE
AMP
SERIAL
CLAMP
DECODER
P
R
CLAMP INS
Y-GND
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
0
0
0
0
0
1.0 3.5 5.2
1.6 1.6 2.4 5.2 3.1 2.1 1.2 3.1 2.5
0
2.6 2.6 5.2
NC
R4043
2.7K
BUFFER
C4043
Q4009
5.2
2SC2412K
5P CH
SW
2.5
Q4013
5.2
3.0
1.9
DTC114TKA
1.9
0
AMP
1.3
1.3
Q4007
2SC2412K
ATTENTION:
LES PIECES REPAREES PAR UN
ARE
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
D
E
F
C4055
6.3V
47
KA
C4056
0.1 B
5.3
BUFFER
Q4010
2.0
2SC2412K
1.2
Y/C/A/H.AMP
5.3
5.4
2.5
0
2.5
2.0
IC4001
55
54
53
52
51
LA71170M-MPB
4fsc
NC
-OUT
0.1
C4059 0.01 B
CLK
1.2
-IN
C4096
C COMB
C4060 0.01 B
2.4
0.1 F
C4061 0.01 B
0
9.7
Y_DELAY
1.3
1.3
16
2.1
BUFFER
2.0
Q4012
NC
2SA1037AK
5.3
C4058
2.0
50V
1
KA
C4062
VCA
NL DE
DET
EMP
3.0
C4063
16V
10
KA
R4056
2.7
N.C.2
ALWAY
50V KA
1
B4003
N.C.1
1K
5V
C4073
5.2
BL01RN1-A63
PIC_CTL
REG
6.3V
47
KA
ANR
15
4.0
C4069
C4074
0.01 B
TU_VIDEO
Y/C
2.2
0.1 B
D4004
C4064
SYNC
MIX
DET
4.9
0.01 B
MTZJ5.6B
C4065
SYNC
FRONT_VIDEO
R4055
C4071
DET
1.8
0.1 B
AGC
1.8K
50V KA
1
DET
3.1
TC2
C4066
H-PLL
C4072 0.01 B
REAR_VIDEO
TC1
1.8
AGC
C4067
0.1 B
EE
TEC2
1.4
AGC
16V
33
KA
CHARA
2.2
C4068
6DB
PB EQ
CTL
3.0
50V
3.3
KA
26
27
28
29
30
0
0.4 0.4
2.5 4.8
D4001
V.REC_ST_H
NC
NC
1SS133
C4076
6.3V
100
KA
C4077
0.1 B
L4011
100uH
0607
BUFFER
R4061
Q4011
Y/C_VIDEO
2SA1037AK
47 1/4W
3.0
R4057
2.3
SD_VIDEO
330
0
ETANT
F
G
H
8
7
FROM/TO I/O
FRONT_VIDEO
REAR_VIDEO
FRONT_AUDIO
REAR_AUDIO
Y/C_VIDEO
Y/C_AUDIO
6
FROM/TO CHROMA/IF
TU_VIDEO
TU_AUDIO
Y/C_VIDEO
Y/C_AUDIO
FROM/TO MICON
VCR_A_MUTE
COL_ROTA
5
H.SW
H.AMP_SW_1
SCL
SDA
D.V_SYNC
V.REC_ST_H
ENV_DET
CTL+
CTL-
COMP
4
SD_VIDEO
3
RECORD LUMINANCE SIGNAL
PLAYBACK LUMINANCE SIGNAL
RECORD COLOR SIGNAL
PLAYBACK COLOR SIGNAL
TUNER VIDEO SIGNAL
AUDIO SIGNAL(REC)
AUDIO SIGNAL(PB)
2
TUNER AUDIO SIGNAL
PCB010
VM9175
1
G
H
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