Toshiba 27A51 Service Manual page 22

A B
8
OS101
ACCESORY
PIC-28143SY-2
BT001
R03(AB)E_20_T
TM101
BT002
R03(AB)E_20_T
7
RED LED
V-BUFFER
POWER ON
Q101
2SC2412K
D109
SLR-342VCT32
6
FROM/TO CHROMA/IF
SYNC_OUT
SPOT_KILLER
AFT_OUT
R126 R101
5
2.7K 560
FROM/TO DEFLECTION
V.OUT1
AFC
X-RAY
FROM/TO VIDEO SWITCH
PIP_AFT
PIP_SD
PIP_AV1
PIP_AV2
4
FROM/TO POWER
X-RAY
P.FAIL
3
FROM/TO AV
R147
CV_IN
1K
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
H-BUFFER
Q102
4.8 4.8
0 2SC2412K
0
0
0
MICON
IC101 OEC7062A
4.8
H SYNC OSD R
4.8
OSD G
V SYNC
0
PIP_AFT OSD B
R115 R144
47K 10K 4.9
REMOCON OSD BLK
R118
0.3 SYNC SEP.
0
R150 NC X-RAY TEST
Q109
0
10K
2SC2412K
4.7K R151
0 0.3
SYNC NC
4.7K
5.0
KEY 1 EXT MUTE
R114
R104
2.2K 5.0
KEY 2 TV MUTE
R116
560
2.2K 0
X RAY BBE H
2.5
AFT IIC OFF
0
PIP_SD NC
0
PIP_AGC_ADJ POWER
NC
0
NC H TONE OUT
0
NC SCL1
NC
4.8
P FAIL SCL2 (PIP)
R112
0
NC SDA1
10K
R113
0
NC SDA2 (PIP)
C122 R102 10K
5.0
50V KA 1 1K AVCC SPOT KILLER
C121
1.7
HLF DEGAUSS H
200P CH
R106
1.7
RVCO LED
15K
C128
3.5
VHOLD PIPAV2
0.001 B
C124
2.8
CVIN PIPAV1
0.1 B
0
CNVSS RESET
2.3
X.IN OSC2
1.9
X.OUT OSC1
X101
1
EFOEC8004T4
0
VSS VCC
C118
6.3V 2200 YK
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME CAUTION:
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
(MAIN PCB)
TU001 ENV56D66G3
R139
R123
0
4.7K 1/4W
R140
4.7K
R122
0 4.7K
R141
4.7K
R121
0 4.7K 1/4W
D102
4.7K
D107
W805
0 1SS133
1SS133
15.9
0 R142 0
10K 1/4W
0
0
X-RAY TEST
R125
Q103
KRC102RTK
0 47K 1/4W
R119
0 47K
0
NC R124
R138
4.9 47K
1K
0
NC
2
5.0
R110
R107
0 10K
C108
1.5K 1/4W
5.0 100P CH
R108
0 2.2K
C109
D111
3
MTZJ6.8B
5.0 100P CH
R109
4
0 2.2K
4.8
0
0
NC
0
W834
0
5.0
C114 C101
3.2
82P CH 0.01 B
C113
3.3
82P CH
5.0
W822
C139
0.01 B
SINCE THESE PARTS MARKED BY ARE ATTENTION: LES PIECES REPAREES PAR UN
CRITICAL FOR SAFETY,USE ONES DANGEREUSES AN POINT DE VUE SECURITE
DESCRIBED IN PARTS LIST ONLY N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
D E
F G
R003
330K
C003
AGC
TP001
50V 2.2 KA
RESET
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
W833
CAUTION: DIGITAL TRANSISTOR
ETANT
F G
H
8
FROM/TO VIDEO SWITCH
OSD_R
OSD_G 7
OSD_B
OSD_BLK
SDA
SCL
FROM/TO CHROMA/IF
AGC
SCL
SDA
IF
6
OSD_BLK
H_TONE_H
FROM/TO DEFLECTION
POWER
X-RAY_TEST
FROM/TO AV
SCL
SDA
EXT_MUTE
5
FROM/TO SOUND
TV_MUTE
SDA
SCL
FROM/TO POWER
POWER
GND_POWER
P.CON+5V
4
AT+40V
AT+5V
DEGAUSS_H
P.CON+9V
3
2
PCB010
TMA509
1
H