Power - Toshiba VTV1455 Service Manual

Toshiba color television/video cassette recorder
Table of Contents

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A
B
8
FROM REGULTOR
P.CON+5V_A
7
P.CON+5V_C
AT+30V
GND
6
5
4
FROM/TO IF
32
(CP6001_2)
CP6001
SH601
6035B-13Z002-T
31
1
P.CON+5V
2
GND
3
TU_VIDEO
4
AFT
L1102
5
NC
6
TU_AUDIO
100uH 9A06B
7
P.CON+5V
8
SIF/AGC CTL
9
AGC
3
C1168
10
GND
0.1 B
11
IF
12
SECAM_VL-H
13
IF_MOD
2
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
1
A
B
G-5
C
POWER SCHEMATIC DIAGRAM
NC
AT+30V
29.8
L1103
P.CON+5V_A
100uH
9A06B
R1112
SDA
100
R1197
SCL
100
18.5
L1101
10uH
CD1101
CUH14004
SW
Q2201
KRC102SRTK
0
4
W989
REC_TU_A_1
0
W955
R2228
REC_TU_V
270
W856
REC_AFT
R2201
22K
P.CON+5V_A
REC_AGC_CTL
AGC_R
REC_SVL-H
IF_MOD
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
C
D
E
(SYSCON PCB)
14
15
11
IF
0
NC
10
0
9
+30V
NC
8
0.1
7
+5V
4.7
NC
6
0.1
R1105
5
SDA
R1173
4.6
330K
3.3K
4
SCL
4.8
4.6
C1101
R1170
5.2
BUFFER
3
Q1122
0.3
1 B
820
2SA1037AK
0.6
NC
2
R1171
C1159
1
AGC
4.2
12K
1 B
12
13
OS2201
PIC-37243SR
B2205
GND
3
W5RH3.5X5X1.0
B+
2
Vout
1
R2208
R2209
5.6K
2.7K
S804X
WHITE
YELLOW
E
E
1
1
2
2
H
H
HEADPHONE JACK
J2201
MSJ-2000
CAUTION: DIGITAL TRANSISTOR
D
E
F
G
SW_VIDEO
P.CON+5V_C
45
MO_SYNC
0.2
R1111
BUFFER
Q1102
0.6
4.7K
2SC2412K
0
2.8
-0.2
BUFFER
Q1123
2SC2412K
0
STANDBY_H
T-REC_LED
REC_LED
AT+5.6V_A
B2203
W5RH3.5X5X1.0
REM+5V
REMOCON_IN
R2210
R2211
R2213
W924
KEY_A
1.5K
1K
820
W925
KEY_B
R2212
R2214
1.5K
1K
W821
SP_OUT_L
7
W846
SOUND_L+
6
R2203
2
R2202
56 1/4W
3
56 1/4W
4
5
NC
C2208
B2204
W995
W996
SOUND_GND
1
W5RH3.5X5X1.0
16V
47
YK
W928
FRONT_V_IN
W819
FRONT_A_IN_L
TUNER VIDEO SIGNAL
RECORD LUMINANCE SIGNAL
TUNER AUDIO SIGNAL
PLAYBACK LUMINANCE SIGNAL
AUDIO SIGNAL(REC)
RECORD COLOR SIGNAL
AUDIO SIGNAL(PB)
PLAYBACK COLOR SIGNAL
F
G
H
8
TO Y/C/AUDIO/HEAD AMP
FRONT_V_IN
FRONT_A_IN_L
REC_TU_V
REC_TU_A_1
7
FROM/TO MICON
MO_SYNC
REC_SVL-H
REC_AFT
REC_AGC_CTL
SCL
SDA
IF_MOD
KEY_A
6
KEY_B
REMOCON_IN
REC_LED
T-REC_LED
STANDBY_H
AT+5.6V_A
TO 21PIN IN/OUT
REM+5V
5
GND
FROM/TO CHROMA/IF
REC_TU_V
SW_VIDEO
AGC_R
REC_AFT
FRONT_V_IN
SOUND_GND
4
FROM/TO SOUND AMP
SOUND_GND
3
SOUND_L+
SP_OUT_L
2
PCB010
VMC295
1
H
G-6

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