Buffer - Toshiba 27A41 Service Manual

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A
B
8
OS101
ACCESORY
PIC-28143SY-2
BT001
R03(AB)E_20_T
TM101
BT002
SBKMOP006A
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
SPOT_KILLER
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
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
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
OEC7054A
4.8
H SYNC
OSD R
4.8
OSD G
V SYNC
R144
0
PIP_AFT
OSD B
R115
10K
47K
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
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
CAUTION:
SINCE THESE PARTS MARKED BY
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
C
D
E
(MAIN PCB)
TU001
ENV56D66G3
R139
R123
0
1K 1/4W
R140
4.7K
R122
0
1K
R141
4.7K
R121
0
1K 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
1K 1/4W
5.0
100P CH
R108
0
2.2K
C109
3
5.0
100P CH
R109
4
0
2.2K
4.8
0
0
NC
0
W834
NC
0
NC
5.0
C114
C101
3.2
82P CH
0.01 B
C113
5.0
5.0
0
5.0
3.3
5
6
7
8
82P CH
5.0
W822
4
3
2
1
0
0
0
0
C139
0.01 B
ARE
ATTENTION:
LES PIECES REPAREES PAR UN
ETANT
DANGEREUSES AN POINT DE VUE SECURITE
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
C117
50V
0.47
KA
CAUTION: DIGITAL TRANSISTOR
F
G
H
8
7
FROM/TO CHROMA/IF
AGC
SCL
SDA
IF
OSD_R
6
OSD_G
OSD_B
OSD_BLK
H_TONE_H
FROM/TO DEFLECTION
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
1
PCB010
TMA509
H

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