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Toshiba VTV1402S Service Manual page 44

Color television/video cassette recorder
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A
B
8
D1006
FROM/TO POWER
D1010
SB10-03A3
AT+5.6V
SB10-03A3
GND
VCR_POWER_H
P.CON+5V
AT+12V
(LDM)
7
MOTOR_GND
LOADING MOTOR DRIVER IC
IC1001
BA6955N
CONTROL LOGIC
TSD
POWER
SAVE
1
2
3
4
5
6
7
8
6
11.5
0
0.1
0
0.3
0.1
0.3
11.5
D1001
1N4005E
5
FROM/TO DECK
CP1006
IMSA-9604S-04Z14
1
VCC
2
BOT
LM-
3
LDM-
LM+
4
LDM+
C1057
C1002
0.1 B
C1005
0.001 B
0.001 B
0
EOT
Q1017
PNA2604M010R
5.0
4
SW1001
4.9
SPVF130100
0
0
CENT LED CTL
Q1020
DTC143EKA
3
CYL_DRIVE
CYL_FG
CYL_PG
FROM/TO MICRO MOTOR
CP1005_1
IMSA-9604S-05Z14
CAP_FG
5
CYL DRIVE
W806
4
CYL GND
3
CYL FG
2
CYL +B
2
1
CYL PG
C1066
FROM/TO CAPSTAN DD UNIT
C1061
0.1
B
CP1004
TMC-J08P-B1
0.022 B
1
GND
2
MOTOR GND
3
I LIMIT
R1032
W802
CONTROL_IN
4
CTL
10K
5
VCO
CAP_FG
6
FG
R1010
CAP_F/R
1
7
CAP.M F/R
3.3K
8
VCC(5V)
A
B
C
MICON SCHEMATIC DIAGRAM
R1074
22K
5.0 5.2 5.2 3.3 2.5
84
83
82
81
80
0
NC
5.2
STANDBY_H
R1043
0
85
10K
NC
SV2
R1025
5.2
86
SV1
TV_A_MUTE
TV_MUTE
10K
5.1
VCR_A_MUTE
VCR_MUTE
5.0
V.REC_ST_H
V.REC.START-H
5.1
TU_AUDIO_MUTE_H
TUNER MUTE
0
NC
0
SOUND B
C1058
C1063
220P CH
5.3
220P CH
SOUND A
5.2
FF/REW-L
FF/REW-L
D1012 1SS133
R1053 10K
5.2
TEXT_Y
YC0
D1011 1SS133
R1072 10K
0
YB0
0
TUNERON/OFF-A
DA RGB SW
D1014 1SS133
4.8
R.OUT
R
D1015
R1009 220
4.8
G.OUT
G
C1006
1SS133
R1012 220
4.8
B.OUT_A
B
0.022 B
R1001
1.3
CYL_DRIVE
CYL_SPEED_UP
R1004 1K
1M
4.6
CYL_PG
DPG
29
R1008 1K
5.0
CYL_FG
DFG
C1007
30
R1014
5.2
H.SW
VIDEO_H.SW
0.0047 B
0
1K 1/4W
C1008
NC
NC
28
0.18 B
R1064
5.2
CYL_DRIVE
DRUM_PWM
111
R1057 5.6K
56K
R1067
5.2
CONTROL_IN
CAP_PWM
112
56K
27
5.2
D.V_SYNC
CENT_LED_CTL
DUMMY.V.SYNC
TAB_SW
0
VSS
4.7
V.SYNC
5.2
C1081
1
2
3
4
5
0
2.5
2.5
2.5
2.5
0.5
R1017
D1023
0.001 B
CTL+
560
MTZJ5.6B
R1020
CTL-
C1016
560
6.3V
47
KANP
5.0
FF/REW SW
5.0
Q1004
DTC124EKA
25
0
C1015 0.0018 B
C1009
5.0
MS_SEN A
1.2
Q1009
0.022 B
SENSOR SW
RPI-352Q01R
1.3
Q1002
2.4
1.2
0.9
5.1
2SC2412K
5.1
2
1
2
3
2
3
1
4
1
4
0.9
1.4
0.5
1.4
4
3
MS_SEN B
0
5.1
Q1003
RPI-352Q01R
REEL SENSOR
Q1001
RPI-301
C
D
E
(SYSCON PCB)
X1001
10MHz
22
21
NC
0 2.5 5.2 1.4 1.5
0 4.9 5.1 5.2 5.2 5.2 5.2 5.2
0 NC5.2
0 5.1
0 5.2 5.2 5.2
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
CTL_MONITOR
56
VCC
55 MS_SENS_CTL
VCR_POWER_ON-H
TV_POWER_ON-H
ON_TIMER_LED
REC/OTR_LED
32KHz_MONITOR
SYSCON/TIMER/SERVO IC
REMOCON IN
IC1006
OEC0093A
POWER_FAIL
C.SYNC
30
KEY_A
AFT.S.CURVE
VCC
29
KEY_B
28
MSSEN_A
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
2.7
2.5
2.5
5.0
1.9
1.9
1.6
5.2
5.1
2.0
1.4
5.2
1.5
NC
0
0 NC2.5
0
1.6
5.1
4.4
5.1
R1021
470
L1001
12uH
C1038
15P CH
26
R1049
SYSTEM RESET IC
4.7K
IC1002
RE5VS31A
1.2
0
2
1
IN
GND
OUT
1
2
3
D1017
5.1
0
5.1
4
3
1SS133
0
5.1
REEL SENSOR
Q1005
RPI-301
D
E
F
G
R1096
1K
SDA
C1030
SCL
0.1 F
5.1
0
4.8
4.8
8
7
6
5
C1060
0.1 B
1
2
3
4
0
NC
0
0
0
0
0
58
57
R1018
5.1
4.7K 1/4W
MAIN POWER OFF MUTE SW
5.1
SEN_LED
Q1006
DTA124EKA
5.1
4.9
NC
5.2
TAB_SW
4.6
TAB_SW
0
5.1
CENT_LED_CTL
CENT LED
5.1
5.2
VCR POWER SW
5.1
5.2
4.4
2SC2412K
5.2
OTPB_LED
NC
5.2
PLAY_LED
NC
5.2
ON_TIM_LED
5.2
REC_LED
0.01 B
5.1
T-REC_LED
T-REC_LED
0
NC
22P CH
R1082
4.5
REMOCON_IN
5.1
TV POWER SW
22K
0
Q1014
NC
R1077
5.1
2SC2412K
5.2
IIC_OFF
4.4
IIC_OFF
10K
R1048
R1035
C1074
5.2
SERVICE
P13
TP1001
R1090
22K
22K
0.01 B
5.2
JWF-50K-1
SERVICE
W821
1K
5.2
DEGAUSS_H
DEGAUSS
5.0
POWER_FAIL[DC]
C1043
5.2
AVCC
0.1 B
VD SW
0
TUNER_AGC
TUNER AGC
W807
Q1015
2SC2412K
0
0
DFW
4.7
0
2.6
AFT_M
0
MESECAM_M
R1059
R1013
MESECAM-M
0
HD SW
1K
10K
Q1016
4.2
5.2
C1055
R1060
KEY_A
2SC2412K
0.2
330P CH
220
5.2
KEY_B
0
27
28
5.1
23
5.0
R1038
2.6
4.7K
2.6
BUFFER
Q1011
2SC2412K
R1037
D1016
220
1SS133
NOTE:
THE RESISTOR MARKED F IS FUSE RESISTOR.
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
IS NON POLAR ONE.
ATTENTION:
LES PIECES REPAREES PAR UN
CAUTION:
SINCE THESE PARTS MARKED BY
ARE
DANGEREUSES AN POINT DE VUE SECURITE
CRITICAL FOR SAFETY,USE ONES
N'UTILISER QUE CELLS DECRITES
DESCRIBED IN PARTS LIST ONLY
DANS LA NOMENCLATURE DES PIECES
NOTE:
THE DC VOLTAGE AT EACH PART WAS
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
MEASURED WITH THE DIGITAL TESTER
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
DURING PLAYBACK
CAUTION: DIGITAL TRANSISTOR
F
G
H
8
FROM/TO Y/C/A/H.AMP
D.V_SYNC
V.REC_ST_H
MESECAM_M
2FSC_A
SCL
SDA
H.SW
7
ENV_DET
VCR_A_MUTE
CTL+
CTL-
V.SYNC
GND
FROM/TO 21PIN I/O
ON_TIM_LED
KEY_B
6
KEY_A
Q1021
T-REC_LED
REC_LED
VCR_POWER_H
STANDBY_H
R1039
REMOCON_IN
VV-H
1K
C1073
EXT_IN_L
TU_AUDIO_MUTE_H
GND
TUNERON/OFF-A
C1069
AT+5.6V_A
5
TV_POWER_H
FROM/TO CHROMA/IF
VD
SD_L
VV-H
C1044
0.0082 B
VCR_POWER_H
TV_POWER_H
R1062
HD
4.7K
VD
4
R.OUT
24
G.OUT
V.SYNC_A
B.OUT
TEXT_Y
SDA
HD
SCL
IIC_OFF
AFT_M
GND
H.SYNC
TUNER_AGC
POWER_FAIL[DC]
DEGAUSS_H
FROM/TO T'TEXT
3
AT+5.6V_A
TUNERON/OFF-A
SCL
B.OUT_A
SDA
TEXT_RESET
FROM/TO SOUND AMP
M.POWEROFFMUTE_H
B.OUT
TV_POWER_H
TV_A_MUTE
2
ETANT
CAUTION: DIGITAL TRANSISTOR
PCB010
1
VMX193
H

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