Toshiba 32AF46C Service Manual page 25

A B
8
FROM/TO AV
VIDEO_IN2
V_IN[YUV]
VIDEO_IN1
U_IN[YUV]
Y_IN[YUV]
7
VIDEO_IN3
VIDEO_OUT
FROM/TO COMB/FILTER
C_V_OUT_SW
P.CON+5V
Y_V_OUT_SW
VIDEO_OUT 7
6 P.CON+8V[A]
FSC_OUT
FROM/TO TUNER/STEREO
TO SUB POWER
TUNER_VIDEO
S807X
TUNER+5V
5
P.CON+8V[B]
P.CON+5V
6dB AMP
TO SOUND
Q603
2SC3052
P.CON+8V[B]
AT+5V
4
FROM POWER
UNREG+12V
GND
FROM/TO DEFLECTION
3
P.CON+5V
P.CON+8V[A]
GND
V_OUT
EW_OUT
H.OUT
H_SYNC
ABCL
2
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
1
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A B
G-3
C
CHROMA SCHEMATIC DIAGRAM
R603
330 1/2W
2.7 0 3.0
48 47 46
2.2
C641
C IN(Y/C)
R602 R649 0.1 B
0
NC(GND)
12 3W 12 3W
C642
3.0
P.CON 5V REG
5.0
Y IN(Y/C)
Q604
50V 1 KA
P.CON 5V REG
8.7
KTC3209_Y
Q602
VREG VCC
5.5
KTC3209_Y
7.2
1.9
CVBS4
5.0
R610 5.7
5.5
5.7V VREG OUT
10
C640 3.2
fsc OUT
0.01 F
0
NC
NC
0
FAST YUV
2.8
DELAYDE Y OUT
6dB AMP
6dBAMP
Q605 3.0
Q614
EW OUT
2SC3052
7.3
7.9 2SA1530A
7.8
C608 3.0
7.3
3.8 VIDEO LINE OUT
2.3 16V 47 YK 8.7
1.7
3.8
2.2 8.7 VREG OUT
R613
4.0
VRAMP AGC CAP
390
4.0
V OUT
4.0
8
VRAMP CAP
1 2 3
R601
3.2 4.0 0
P.CON 8V REG
15 1W Q611
KTC3209_Y S811Y
P.CON 8V REG
11.3 7.9
Q601
8.5
KTC3209_Y
7.9
11.3
8.5
R609
100
C601
R619
1K 16V 47
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.
C
D E
(MAIN PCB)
R616
8.8 4.9
120 1/2W
AT+5V REG
5.5
R617
KTC3203_Y
100
0 1.2 0 1.9 5.0 1.2 0 1.9 5.6 2.8 0 3.2 0
45 44 43 42 41 40 39 38 37 36 35 34 33
3.6
Y SW OUT
0
NC
NC
5.0
MCU RESET
3.5
MCU CLOCK OUT
NC
5.0
47 NC(GND) 33 V/C GND P_CON CONT
48 Y IN(YUV) 34 XTAL 3.58
3.5
SCL
3.5
SDA
4.9
CHROMA IC
CLK CONT
NC
IC601
4.2
M61283FP R70T
FAST BLK
2.9
R IN
1 HVCO F/B 15 G OUT
2.9
G IN
2 AFC FILTER 16 B OUT
2.9
B IN
4.6
V PULSE OUT
4.9
INV.FBP OUT
11
4.9
MONITOR OUT
2.1
ACL
4 5 6 7 8 9 10 11 12 13 14 15 16
0 0 5.5 0 3.8 8.0 8.0 0 8.0 8.0 4.0 4.0 4.0
NC 15
NC
14
9
13
R635
56K
10
R636
S801Y
1.5K
C636
0.0082 B
5.3
1.4
SVM
Q610
KANP
2SC3052
0.7
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
TO SUB POWER
S808X
Q607
R627
100
R628
100
C637 33P CH
C643 33P CH
C644 33P CH
W805
R629 D608
6.8K 11E1-EIC
R620
R623
100
R626
100 1/4W
100 1/4W
C604
100P CH
0
R647
0
SVM OFF
4.7K
Q613 0
2SC3052
CAUTION
:SINCE THESE PARTS MARKED BY ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
F G
H
8
7
FROM/TO MICON
PROTECT
SW_Y_OUT
6
AT+5V
RESET
POWER
SCL
SDA
5
OSD_BLK
OSD_R
OSD_G
OSD_B
VD
HD
SYNC_OUT
OSD_Y
4
CLAMP_OFF
TO CRT/SVM
CP802A
CD802
3
B2013H02-7P
CU276002
P.CON+8V 1
GND 2
R.OUT 3
G.OUT 4
B.OUT 5
CLAMP_OFF 6
VM COIL 7
2
PCB010
CMD016
1
H
G-4