Toshiba 42WP37C Service Manual page 73

HT-Board Block Diagram
HT
21 pin SCART Terminal Board
1
R_IN
2
IC3501
3
4
5
L_IN
6
BLUE
7
SLOW
8
9
10
GREEN
11
JK3102
12
13
21P SCART
14
RED/C_IN
15
FB
16
17
18
19
VIDEO_IN
20
21
HT-Board Block Diagram
IC3701
VIDEO PROCESSOR
C
Q3441 71
Analog
Front-End
AGC
2 × ADC
V/Y
Q3442
74
AMP
7
R
+ 10 Q3501 L.P.F. Q3504
3
-
Analog
BUFFER BUFFER
Component
Front-End
2
+ G
15 Q3502 L.P.F. Q3505 2
-
AGC
BUFFER BUFFER
4 × ADC
5 B
+ Q3503 L.P.F. Q3506
12 1
-
BUFFER BUFFER
FB
80
Q3461
AMP
Q3401
R AMP
Q3402
L AMP
IC3702
RESET
OUT
4
15
Y07
Color
Adaptive Decoder 2DScalar Output
Mixer
Comb PIP Formatter
NTSC Y00
Filter Panorama
PAL
Contast
SECAM
C07
Brightness
NTSC
Peaking
PAL Saturation
Tint
C00
H Sync
Sync
+
V Sync
Processing Clock
LL Clock
Matrix
Generation
Contrast
Saturation
Brightness
Tint IIC Bus
Clock
Gen.
14 13
IC4601
LVDS TRANSMITTER
TX0+
47
TX0-
48
31 14 12 Y07
TX1+
45
11 7 8
TX1-
6 4 46
TX2+
10 8 Y00
40 41
TX2-
31 24 23 C07 42
TX3+
22 20 8
37
TX3-
19 15
38
40 18 16 C00
56 27 HS
TXC+
57 28 VS
39
CLK IN
28 31 PLL TXC-
40
17 CLKSEL
32
/PDWN
IC3305 IC3311
DAC ICC EXPANDER 5V<=>3.3V
/POWN
5 P1 SCL 14 7 SCL 2
CLK SEL
6 P2
SDA 15 6 SDA 3
IC3699
EEPROM
SCL 6
SDA 5
42WP37
H1
B3 TX0+
B2 TX0-
B6 TX1+
B5 TX1-
B9 TX2+
B8 TX2-
B15 TX3+
B14 TX3-
TXC+
B12
TXC-
B11
A32 HD
A30 VD
B25 SCL2
B24 SDA2
A38 V/Y
R
A26
L
A28
B36 S2 DET
HT-Board Block Diagram