Toshiba 24AF42 Service Manual page 20

A B
8
OS101
RPM7138-H5
ACCESORY
BT001
R03(AB)E_20_T
TM101
BT002
SBKMOP006B
R03(AB)E_20_T
7
RED LED
POWER ON
D109
SLR-342VCT32
6
FROM/TO CHROMA/IF
PROTECT
AFT_OUT
R126
FROM DEFLECTION
5
2.7K
V.OUT1
AFC
X-RAY
4
FROM/TO POWER
X-RAY
P.FAIL
W834
P.CON+9V
GND
GND
3
DEGAUSS_H
FROM AV
SW_VIDEO_OUT
2
1
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.
A B
C
MICON/TUNER SCHEMATIC DIAGRAM
R111
47
H-BUFFER
Q102
4.8
4.8
0 2SC2412K
0
V-BUFFER 0
0
Q101
2SC2412K
MICON IC
IC101 OEC7074A
R119
5.0
AUDIO MUTE
47K
R125
4.0
EXT MUTE
R155
47K
0
4.7K
STANDBY_H
R156
0
BBE SW
10K
2.4
AFT
R114
R101
5.0
2.2K
KEY 1
R116
560
R104
5.0
2.2K
KEY 2
560
2.2
X RAY
R115
5.0
REMOCON
47K
0
ON_TIMER
NC
R144
0
PIP AFT
10K
0
AV2
NC
0
AV1
NC
R146
0
PIP SD
4.7K
3.5
P FAIL
FSC IN
5.0
DEGAUSS H
CLOCK CONT
3.2
X-RAY TEST
14.6
CNVSS
EFOEC8004T4
X101
2.3
X.IN
1.7
X.OUT
1
0
VSS
C139
0.01 B
15.9
R142
0
10K 1/4W
0
X-RAY TEST
Q103
KRC102SRTK
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
(MAIN PCB)
TU001 ENV56DB6G3
0 W809
H_CTL
2.0
PROTECT
R124 47K
5.0
12C_OFF
R151
R138 1K
2.1
4.7K
SYNC
SYNC SEP. 0.3
R150
Q109
0
4.0
2SC2412K
H SYNC
4.7K
0
C125
4.8
V SYNC
D102
10P CH
R121
0
1SS133
BLUE B
C105 R141
4.7K
R122
0
150P CH 1K
GREEN G
R140
4.7K
R123
0
1K
RED R
R139
4.7K
D107
0 W805
1K
BLANK
C103
1SS133
5.0
56P CH
NC
NC
R109 2.2K C109 68P CH
R106
0
SDA1
C108
100 1/4W
4
R112
5.0
68P CH
SCL1
R108
100 1/4W
2 3
5.0
2.2K
POWER
R157
5.0
NC
10K
5.0
RESET
C115 180P B
R103
2.4
CVIN
C124 R147
1M
C128
2.0
0.1 B 1K
VHOLD
R102 C122
0.001 B
C121
2.0
1K 50V 1 KA
HLF
C143
100P CH
1.0
100P CH
FILT
C140_1
5.0
0.01 B
VCC
C118
6.3V 2200 YK
W822
ATTENTION:
CAUTION: SINCE THESE PARTS MARKED BY ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
D E
F G
TEST POINT
GND
R003
I2C_SCL
330K I2C_SDA
I2C_OFF
AGC
L
R
C003
50V 2.2 KA
W824
RESET IC
IC103 PST600C
VCC GND V.OUT
1 2 3
5.0 0 5.0
R133 D103
10K 1SS133
5.0 5.0 0 5.0
5 6 7 8
C117
50V 0.47 KA
4 3 2 1
0 0 0 0
CAUTION: DIGITAL TRANSISTOR
LES PIECES REPAREES PAR UN ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
F G
H
8
CP101
173979-7
1
2
3
4
5
7
6
7
6
FROM/TO CHROMA/IF
AGC
SYNC_OUT
SCL
SDA
IF
OSD_B
OSD_G
OSD_R
OSD_BLK
5
TO DEFLECTION
H_CTL
X-RAY_TEST
FROM/TO AV
EXT_MUTE
SCL
SDA
FROM/TO SOUND
BBE_SW
TV_MUTE
SDA
SCL
4
FROM/TO POWER
POWER
P.CON+5V
P.CON+B
GND
AT+5V
AT+5V2
FROM AV
AUDIO_JIG_R
AUDIO_JIG_L
3
2
PCB010
TMA532
1
H