Toshiba 13A21C Servicehandleiding - Pagina 19

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Toshiba 13A21C Servicehandleiding
A
B
8
FROM TV POWER
UNREG+12V
7
6
FROM/TO SOUND/AV
R611
5
W806
AUDIO_OUT
C642
AUDIO_IN
50V
1
KA
W827
GND
5
R618
R632
220
W817
FROM/TO MICON/TUNER
4
Y_VIDEO
AT+5V
SYNC
TUNER+5V
RESET
AFT
AGC
L601
IF
1.2uH
3
GND
HD
POWER
OSD_B
OSD_BLK
OSD_G
2
VD
OSD_R
I2C_OFF
SDA
SCL
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
1
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A
B
C

CHROMA SCHEMATIC DIAGRAM

6
7
CF604
8.8
REG
5.5
TPSRA4M50C00-A0
Q603
KTC3203_Y
4.9
R615
CF603
EFCT4R5YS5A
470
NC
3.0
2.2
0
7.9
7.9
0
0
5.7
48
47
46
45
44
43
42
41
R634
10K
10K
2.3
AUDIO OUT
2.4
C604
AUDIO BYPASS
2.2
50V
1
KA
C655
0.0068 Y
EXT AUDIO IN
3.0
C623
0.0033 M
FM DIRECT OUT
46 SW REG CONT
2.9
C632
50V
2.2
KA
47 LIMITER IN
VIF VCO F/B
10M 1/4W
48 IF AGC
3.2
49 QIF OUT
VREG Vcc
8.7
VIF APC FILTER
CHROMA IC
3.2
IC601
VIF VIDEO OUT
M61206FP
2.2
VIF GND
0
C621_1
0.01 Y
0
AFT OUT
1.9
64 VIF IN (1)
C626
0.001 Y
QIF IN
C602_1
0.01 F
1 VIF IN (2)
2.8
R606
10K
RF AGC OUT
4.6
C606
RF AGC FILTER
SAW FILTER
2.9
50V
0.22
KA
CF601
SAFGP45M7VHCZR
IN
IN
G
OUT
OUT
1.5
1
2
3
4
5
4
1
2
3
5
6
7
8
1.5
4.9
4.9
0
4.9
0
0
0
C609
0.1
F
8
NOTE:
THE DC VOLTAGE AT EACH PART WAS MEASURED
CAUTION:
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
C
D
E
(MAIN PCB)
REG
REG
Q605
Q604
KTC3203_Y
KTC3203_Y
7.2
4.9
4.9
7.2
REG
Q606
5.5
5.5
KTC3203_Y
7.9
11.3
8.5
R639
100
R638
22K
R646
68K
0
5.6
0
0
2.5
3.2
1.9
8.5
C638
40
39
38
37
36
35
34
33
50V
4.7
KA
3.3
R642
D605
ACL/ABCL
2.6
22K
11E1-EIC
R IN
0
V PULSE OUT
4.7
G IN
34 EXT C in
0
33 8.7V REG OUT
FAST BLK
32 X'TAL
C645
0
SPOT KILLER
NC
16V
47
YK
7.0
fsc OUT
NC
2.8
4.9
VIDEO CHROMA Vcc
4.9
C613
V RAMP CAP
R641
50V
1
YK
4.7
V RAMP FEEDBACK
2.8
22K +-1%
17 V OUT
B IN
16 B OUT
0
STRAT UP Vcc
7.9
10
7.9
W818
V OUT
3.6
9
10
11
12
13
14
15
16
0
4.9
3.4
3.9
4.9
2.0
2.0
2.0
9
R627
100
100
R630
R631
100
R617
1K
SWITCHING
Q607
DTC114ESTP
0
R613_1
4.9
560 1/2W
0
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
FROM SOUND/AV
C647
VIDEO_IN
50V
1
KA
FROM/TO DEFLECTION/CRT
V_OUT
ABCL
V_FEEDBACK
GND
H_OUT
H_SYNC
B.OUT
G.OUT
R.OUT
CLAMP
TEST POINT
CP601
173979-6
B.OUT
6
INT.MONI
5
IIC_OFF
4
SDA
3
SCL
2
GND
1
R.SIGNAL
G.SIGNAL
B.SIGNAL
CAUTION: DIGITAL TRANSISTOR
ETANT
AUDIO SIGNAL
LUMINANCE SIGNAL
DEFLECTION SIGNAL
TUNER VIDEO SIGNAL
F
G
H
8
7
6
5
4
3
2
PCB010
TMA511
1
H