Toshiba 53S23F2 Service Manual page 21

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A
B
8
R104
R103
R102
2.2K
1.2K
820
7
R120
4.7K
C129
220P CH
C140
220P CH
6
C108
22P CH
X101
100CT4R013
C109
22P CH
4MHz
1
5
C143
R107
1K
D102
MTZJ5.1B
D108
1SS133
4
3
4
2
1
A
B
G-1
C
MICON/TUNER SCHEMATIC DIAGRAM
LED DRIVE
ON TIMER
Q102
D103
2SA1037AK
R137
R101
3.6
3.1
180
LED DRIVE
LTL-1CHGE-002A
390
0
STAND BY/P.ON
Q103
GREEN
D101
2SA1037AK
3.7
0.0
SLR-342VCT32
4.9
RED
MICON W/T.TEXT IC
IC101
OECF013B
4.9
4.9
KEY_IN
REMORT
4.9
4.9
POWER FAIL
RESET
0
0
FORTHD VCR 2
A MUTE
0
4.9
FORTHD VCR 1
STEREO RESET
0
0
EMERGENCY
DEGAUSS
C141
0.1
B
R125
4.7K
2.2
0
S808X
OSC_IN
TU/RGB
2.3
0
OSC_OUT
NC
(BBE-H)
NC
0
1.8
ON_TIMER
ATS
0
4.9
NC
P4.6/PWM6
STANDBY LED
0
4.8
SECAM_VL_H
POWER
0
0
NC
TUNER HI
NC
NC
R133
10K
0
4.9
H_CONT
I2C_OFF
0.1 B
0
0.5
PROTECT
NC
P3.5
NC
0
0
R123
10K
AV2
NC
P3.4
NC
R124
10K
C125
0
0.7
AV1
OSD_B
C126
2
4.6
0.2
V_SYNC
OSD_G
R116
10K
C127
3
0.5
0.2
H_SYNC
OSD_R
R131
100K
C128
4.9
0
AVDD1
OSD_FB
C132 30P CH
2.0
4.9
R110
PXFM
SDA
5.6K
0
4.9
JTRSTO
SCL
0
4.9
GND
VDD
0
1.3
AGND
JTDO
NC
C111_1
1.4
0
CVBS1
WSCF
0.47
F
1.2
0
C112
R108
270
CVBS2
VPP
82P CH
C118
4.8
4.9
C101
68P CH
NC
JTMS
AVDD3
4.9
4.9
AVDD2
TEST0
1.6
C105
0.1 B
1.4
R113
NC
MCFM
CVBSO
2.1
4.8
R111
C106_1
0.0022 B
TXCF
JTCK
NC
15K
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D
E
(MAIN PCB)
OS101
RPM7138-H5
R132
4.9
0
4.9
C122
560
16V
10
KA
R151
R150
4.7K
1K 1/4W
R152
100
1/4W
R148
10K
R134
10K
100P CH
5
R144
R140
2.2K 1/4W
100P CH
6
R145
2.7K
R141
2.2K 1/4W
100P CH
7
R146
2.7K
R142
2.2K 1/4W
150P CH
8
R147
2.7K
R143
1.2K 1/4W
1.5K
L101
C114
0.1
B
10uH 0305
C115
6.3V
2200
YK
10
9
0.1 B
L102
10uH 0305
4.9
0
4.9
4.9
8
7
6
5
5.6K
1
2
3
4
0
0
0
0
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
D
E
F
G
TU001
TUWRF4EG-778F2A
CP001
003P-2100
RESET IC
IC102
PST3231NR
RESET
NC
NC
VCC
GND
NC
NC
R121
100 1/4W
R128
100
R129
100
F
G
H
8
ACCESSORY
UM-4
BT001
R03(AB)2PXGPI
7
TM101
UM-4
RC-GX020
BT002
R03(AB)2PXGPI
TEST POINT
CP101
06JQ-ST
GND
1
I2C_SCL
2
I2C_SDA
3
I2C_OFF
4
RF_AGC
5
6
NC
6
FROM/TO POWER
P.CON+5V
TUNER_BT
P.FAIL
GND
AT+5V_AVDD
AT+5V_DVDD
DEGAUSS
POWER
EMERGENCY
5
FROM/TO IF/CHROMA
RF_AGC
IF
OSD_B
OSD_G
OSD_R
OSD_FB
CVBS_TXT
V_OUT
4
PROTECT
H_CONT
SECAM_VL_H
SCL
SDA
TO SOUND AMP
A_MUTE
FROM/TO STEREO
STEREO_RESET
3
SCL
SDA
FROM/TO DEFLECTION/CRT
AFC
PROTECT
FROM/TO 21PIN/AV SW
AV1
FORTHD_VCR_1
2
PCB010
TMC572
1
H
G-2

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