Toshiba 21V13B Service Manual - Page 22

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Toshiba 21V13B Service Manual
A
B
MICON/TUNER SCHEMATIC DIAGRAM
(MAIN PCB)
8
R104
R103
R102
R101
2.2K
1.2K
820
390
7
R120
C129
4.7K
220P CH
C140
220P CH
C141
C108
0.1 B
6
R152
22P CH
100CT4R013
X101
4MHz
C109
1
22P CH
5
C143
0.1 B
R153
2
R107
1K
D102
MTZJ5.1B
3
D108
1SS133
4
4
3
R108
270
C101
68P CH
C105
0.1 B
C106
0.022 B
2
1
A
B
G-1
C
LED DRIVE
ON TIMER
Q102
D103
2SA1037AK
R137
3.6
3.1
180
LED DRIVE
STAND BY/P.ON
LTL-1CHGE-002A
Q103
0
D101
GREEN
2SA1037AK
R132
3.1
3.1
560
SLR-342VCT32
2.4
RED
MICON W/T.TEXT
IC101
OECF004A
4.9
4.9
KEY_IN
REMORT
4.9
4.9
POWER FAIL
RESET
C130
0
0
63V
1
MKT
FORTHD VCR 2
A MUTE
R151
0
4.9
4.7K
FORTHD VCR 1
STEREO RESET
0
0
EMERGENCY
DEGAUSS
1.9
0
4.7K
OSC_IN
TU/RGB
2.3
0
OSC_OUT
(BBE-H)
NC
4.8
1.6
ON_TIMER
(ATS)
4.9
0.2
NC
P4.6/PWM6
STANDBY LED
R148
0
4.8
10K
NC
SECAM_VL_H
POWER
5.0
0
NC
TUNER HI
CSO/RESET0/P3.7
NC
R133
R134
0
4.9
10K
10K
H_CONT
I2C_OFF
0
4.9
PROTECT
P3.5
NC
R123
0
0
10K
10K
AV2
P3.4
NC
R124
C125
0
0.7
10K
100P CH
AV1
OSD_B
C126
4.7
0.2
100P CH
V_SYNC
OSD_G
R116
C127
R140
0.6
0.2
10K
100P CH
1.8K
H_SYNC
OSD_R
R131
C128
4.9
0
100K
150P CH
AVDD1
OSD_FB
R141
2.0
2.0
R128
1.8K
PXFM
SDA
100
0
2.5
R129
JTRSTO
SCL
100
0
4.9
GND
VDD
C114
0
2.5
C115
0.1
B
AGND
JTDO
NC
R142
6.3V
2200
YK
1.6
0
C111
1.8K
CVBS1
WSCF
0.47 B
1.8
0
C112
CVBS2
VPP
R143
82P CH
4.7
4.9
C118
1.5K
NC
JTMS
AVDD3
0.1
B
4.9
4.9
AVDD2
TEST0
1.6
0.6
R113
NC
MCFM
CVBSO
5.6K
2.1
4.8
R111
TXCF
JTCK
NC
15K
SH101
763WSA0087
C
D
E
RESET
IC102_1
R3111N311A/C
NC
NC
0
0
OS101
5
4
RPM7138-H5
4.9
0
4.9
1
2
3
4.9
4.9
0
C120
1
B
R105
10K
L101
10uH 0305
5
6
7
8
L102
10uH 0305
D
E
F
G
TU001
TUWRF4EK-778F2
TP001
NC
VCO
W832
R121
100
9
10
4.9
0
2.5
1.6
8
7
6
5
1
2
3
4
0
0
0
0
F
G
H
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 NOMAL.
8
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
CP001
003P-2100
7
CP101
06JQ-ST
GND
1
I2C SCL
2
I2C SDA
3
I2C OFF
4
RF AGC
5
NC
NC
6
FROM/TO POWER
P.CON+5V
TUNER_BT
6
P.FAIL
AT+5V_AVDD
AT+5V_DVDD
GND
DEGAUSS
POWER
EMERGENCY
FROM/TO IF/CHROMA
RF_AGC
IF
5
SCL
SDA
OSD_FB
OSD_R
OSD_G
OSD_B
H_CONT
CVBS_TXT
PROTECT
V_OUT
ATS
4
FROM/TO SOUND AMP
SCL
SDA
A_MUTE
STEREO_RESET
FROM/TO DEFLECTION/CRT
AFC
3
FROM/TO 21PIN/AV SW
AV1
AV2
FORTHD_VCR_1
FORTHD_VCR_2
TU/RGB
2
PCB010
TMA528
1
H
G-2