A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
TUNER VIDEO SIGNAL
DEFLECTION SIGNAL
S102X
S102Y
CAUTION: DIGITAL TRANSISTOR
IC4001
LA71205M-MPB
Y/C/AUDIO/HEAD AMP
1
10
11
12
13
14
15
16
17
18
19
2
20
21
22
23
24
25
26
27
28
29
3
30
31
32
33
34
35
36
37
38
39
4
40
41
42
43
44
45
46
47
48
49
5
50
51
52
53
54
55
56
57
58
59
6
60
61
62
63
64
65
66
67
68
69
7
70
71
72
73
74
75
76
77
78
79
8
80
9
AUDIO SIGNAL(PB)
AUDIO SIGNAL(REC)
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
DURING PLAYBACK
MEASURED WITH THE DIGITAL TESTER
NOTE:
THE DC VOLTAGE AT EACH PART WAS
Q4003
KRA103SRTK
SW
CP4002
IMSA-9604S-06Z14
1
2
3
4
5
6
T4001
1626009
COIL,BIAS OSC
1
2
3
4
5
6
CP4001
TOC-C09X-A1
1
2
3
4
5
6
7
8
9
CP4003
TMC-T02X-E1
1
2
D4003
MTZJ13B
L4004
22uH 0305
L4009
22uH
0305
L4008
100uH
0305
L4003
100uH
0305
L4001
22uH
0305
L4006
47uH
0305
L4005
47uH
0305
W851
W853
W855
TP4001
V.ENV
W988
W857
W859
W856
W852
W854
C4067
1
50V
KA
C4047
1
50V
KA
C4030
10
16V
KA
C4048
10
16V
KA
C4053
1
50V
KA
C4049
4.7
50V
KA
C4076
1
50V
KA
C4052
1
50V
KA
C4010
47
6.3V
KA
C4058
47
6.3V
KA
C4051
33
6.3V
KA
C4057
1
50V
KA
C4062
1
50V
KA
C4063
47
6.3V
KA
C4050
0.22
50V
KA
C4065
1
50V
KA
R4059
10M
1/4W
R4025
1.5K
R4033
2.2K
1/4W
R4032
220
R4024
100
R4023
27K
R4069
2.2
R4054
1K
R4012
680
+-1%
R4005
1.5K
R4058
10M
R4029
47K
R4019
330K
R4020
180
R4014
390
R4056
8.2K
R4035
100K
R4034
82K
R4036
3.3M
R4028
47K
R4065
2.2M
R4004
15
1/4W
R4055
12K
R4041
1.8K
R4043
1.8K
R4057
1K
R4060
1.5K
R4061
4.7M
R4011
22K
R4062
6.8K
R4018
12K
R4017
6.8K
R4010
3.3K
R4002
10K
R4003
10K
R4001
560
R4038
680K
R4044
22K
R4022
820
R4021
22K
R4045
12K
R4047
12K
R4046
22K
R4039
8.2K
R4042
1.5K
R4048
180
1/4W
R4026
39K 1/4W
C4038
180P
CH
C4022
0.01
B
C4083
22P
CH
C4086
0.1
B
C4082
33P CH
C4014
0.047
B
C4071
270P
CH
C4037
0.1 B
C4036
390P B
C4029
0.01 B
C4044
0.1
B
C4041
0.33
B
C4043
0.1
B
C4060
0.01
B
C4066
0.022
B
C4020
1 F
C4075
0.1 B
C4021
0.1 B
C4077
0.01 B
C4028
0.1
B
C4005
0.01
B
C4006
0.015
B
C4033
0.001
B
C4002
0.022
100V
MKT
C4059
0.1 B
C4061
0.01 B
C4078
0.1 B
C4032
0.0033
B
C4016
0.068
B
C4019
0.047
F
C4069
0.1
B
C4055
0.33
B
C4054
0.1
B
C4064
0.022
B
C4042
100
6.3V
KA
C4035
3.3
50V
KA
C4031
3.3
50V
KA
C4046
1
50V
KA
C4012
22
6.3V
KA
C4023
22
6.3V
KA
C4027
33
6.3V
KA
C4025
470
6.3V
YK
C4004
220
6.3V
YK
C4034
4.7
25V
KA
C4009
47
6.3V
KA
C4045
220
6.3V
KA
X4001
100CT3R502
Q4009
2SA1037AK
BUFFER
Q4010
2SA1037AK
BUFFER
Q4005
KTA1266-AT(Y,GR)
BIAS CTL
Q4007
2SC2412K
SYNC IN
Q4012
2SC2412K
BUFFER
Q4013
2SC2412K
AMP
Q4006
KTC3203_Y
-AT
BIAS OSC
Q4002
KTC3198-AT
(Y,GR)
AUDIO
PB SW
Q4001
KTC3198-AT
(Y,GR)
AUDIO
PB SW
L4007
STP-01064
15.6KHZ TRAP
1
2
34
6
FSC
COMP
H.SW
Y/C_CS
ENV_DET
C_ROTARY
Y/C_CLK
P.CON+5V
H.AMP_SW1
Y/C_DATA
P.CON+5V
VCR_A_MUTE
FRONT_V_IN
P.CON+5V
REAR_V_IN
GND
VIDEO_OUT
TU2_AUDIO
NORMAL_A
Y/C_AUDIO
FSC
HF2
Y/C_CLK
HF_COM
Y/C_DATA
HF1
Y/C_CS
H.SW
SD_VIDEO
ENV_DET
VCR_A_MUTE
CTL+
CTL-
C_ROTARY
DUMMY_V.SYNC
V.REC_ST_H
H.AMP_SW1
COMP
SD_SYNC
P.CON+5V
FRONT_V_IN
VIDEO_OUT
REAR_V_IN
TU1_VIDEO
TU1_AUDIO
VD
TU2_AUDIO
TU1_AUDIO
DUMMY_V.SYNC
P.CON+5V
VIDEO_OUT
SD_VIDEO
NORMAL_A
P.CON+5V
SD_SYNC
V.REC_ST_H
CTL+
CTL-
Y/C_AUDIO
GND
HOT
VD
TO FULL ERASE HEAD
FROM/TO CYL
FROM/TO HI-FI
FROM POWER
(SYSCON PCB)
Y/C/AUDIO/CCD/HEAD AMP SCHEMATIC DIAGRAM
VMA245
PCB010
FROM CHROMA/IF
TO IF
FROM/TO MICON
FROM/TO IN/OUT
FE HEAD(HOT)
FE HEAD(GND)
FROM/TO HEAD AUDIO CONTROL
AE HEAD(+)
AE HEAD(-)
CTL-
CTL+
AUDIO REC
AUDIO PB
EP/LP COM
SP COM
HF2 (L)
HF COM
HF1 (R)
EP/LP-CH2 (L)
EP/LP-CH1 (R)
SP-CH2 (L)
SP-CH1 (R)
(S801)
NC
3.4
0.2
5.0
5.1
4.7
2.5
2.3
2.3
5.1
NC
1
5.0
0
5.0
2
2.3
0
1.7
0.7
0
3.4
4.0
4
0
0
0
0
0
5
5.2
0
5.3
0
0
0.7
0
0
0.7
3
0.5
2.8
0
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
0.8
0
1.7
0
3.0
2.8
3.1
3.1
2.6
2.0
4.0
2.0
2.3
2.3
1.6
2.9
3.6
0
4.9
2.8
1.8
0.1
1.5
0
0
1.4
1.7
1.0
1.0
5.0
2.4
2.3
2.2
2.3
2.2
2.2
2.3
2.2
2.2
0
2.3
4.9
2.2
0
2.0
2.0
2.0
0
1.8
1.7
5.0
0.7
0.7
0.7
4.0
1.8
0
2.2
SYNC
VSS
P
P
R
R
PB-C
PB-C
R
P
P
R
R
HA
GND
CHROMA
DET
DET
KILL
OUT
COMP
HA VCC
DET
ACC
DET
ENV
HA SW
MUTE
AUDIO
IN
RF-SW
C-ROT C-GND
DECODER
SERAIL
C-VCC
P
R
P
R
R
P
APC
REC
APC
PB
AFC
REC
P
R
LPF
P
P
P
R
R
CONV
Sub
BPF
4.21M
C-LPF
ACC
DET
AMP
ACC
CONV
Main
AMP
B-UP
BPF2
3.58M
BEFORE
AFTER
P
R
BGA
BGA
BGA
CNC
AMP
PB
P
B.D
BPF1
3.58M
YNR/COMB
TEST
R-EQ
NORMAL
MOD
FM
EMPHA
NL
EMPHA
NL
ENH
DETAIL
CLAMP
Y-LPF
DEEM
N.L.
NC1
MIX
Y/C
AGC
VIDEO
1/2
FBC
P
R
Y-GND
FIL
AGC
FM
Q-ADJ
EQ
PHASE
fo-ADJ
EQ
PHASE
SLD
VCO
320FH
VX01
B
5V
ALWAYS
VCP
CLAMP
VCA
VCA
IN
OUT
VSS
CCD
CLAMP
AUTO-BIAS
DRIVER
OUT
TIMMING
PLL
CLOCK
4Fsc
VDD
3
2
1
4V
REG
TC1
BAL
TC2
AGC
QV/QH
6DB
SEP
SEP
V.SYNC
Y-VCC
4.7K
MAIN
FIL
EMPHA
DET
S
B
LPF
SUB
DEM
FM
DOUBBLE
LIM
DE-EM
MAIN
S-EQ
R
P
FM EQ
PB
R
P
SOPB
VHS
AGC
FM
FM-EQ
REC
AMP
LINE
BIAS
AUTO
MUTE
AMP
REC
VREF
PB,EE
PB,EE
DET
PB:EP
REC:LP<EP
L
H
L
H
P
P
R
P
P
R
PRE GND
HA
A-GND
3
2
1
A-VCC
ALC
ALC
AMP
EQ
SP,LP
2.3V
Vref
+
NC
NC
G-1
G-2
Содержание MV14FM4
Страница 1: ...SERVICE MANUAL COLOR TELEVISION VIDEO CASSETTE RECORDER FILE NO 140 200214 MV14FM4 ...
Страница 49: ...TOSHIBA VIDEO PRODUCTS PTE LTD 438B ALEXANDRA ROAD BLOCK B 06 01 ALEXANDRA TECHNOPARK SINGAPORE 119968 ...
Страница 50: ...SERVICE MANUAL COLOR TELEVISION VIDEO CASSETTE RECORDER FILE NO 140 200214 MV14FM4 ...
Страница 75: ...TOSHIBA VIDEO PRODUCTS PTE LTD 438B ALEXANDRA ROAD BLOCK B 06 01 ALEXANDRA TECHNOPARK SINGAPORE 119968 ...
Страница 81: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...