Toshiba 42WP37C Service Manual page 69

HV-Board Block Diagram
HV
Composite Video Terminal(RCA) Board Composite Video Terminal(RCA) Board
JK3001 JK3001 C IN C IN
C C
Q3002 Q3002
S-VIDEO IN S-VIDEO IN Y IN Y IN Y Y
AMP AMP
Q3004 Q3004
VIDEO VIDEO
Q3003 Q3003
JK3005 JK3005
IN IN
AMP AMP
L IN L IN
R IN R IN
HV-Board Block Diagram
IC3003 IC3003
AMP AMP
3 3
+ + 1 1 Q3006 Q3006
- -
BUFFER BUFFER
IC3003 IC3003
SWITCH SWITCH
INV. INV.
IC3003 IC3003
5 5
AMP AMP
6 6
1 1 3 3
+ + 1 1 Q3005 Q3005 L.P.F. L.P.F.
- -
7 7
AMP AMP
Q3023 Q3023
AMP AMP
Q3051 Q3051
L AMP L AMP
Q3052 Q3052
R AMP R AMP
IC3104 IC3104
RESET RESET
4 4 OUT OUT
IC3103 IC3103
GC2M GC2M
65 65
C C
Q3101,3102 Q3101,3102 72 72
BUFFER BUFFER
Color Color
Analog Analog Adaptive Adaptive Decoder Decoder
Mixer Mixer
Front-End Front-End Comb Comb
NTSC NTSC
Filter Filter
PAL PAL
SECAM SECAM
AGC AGC
NTSC NTSC
2 × ADC
PAL PAL Saturation Saturation
Tint Tint
V/Y V/Y
Q3007 Q3007 Q3104 Q3104 95
BUFFER BUFFER BUFFER BUFFER
IC3201 IC3201
MEMORY MEMORY
5M 5M FIFO FIFO
IC3251 IC3251
LVDS TRANSMITTER LVDS TRANSMITTER
13 13 3 3 56 56
MEMORY CONTROLLOR R07 R07 R07 R07
55 55 54 54 8 8
52 52 51 51
6 6 2 2 50 50
R00 R00 R00 R00
2DScalar 2DScalar Output Output
G07 G07 206 206 24 24 23 23 G07 G07
PIP PIP Formatter Formatter
22 22 20 20
Panorama Panorama 8 8
Contast Contast
19 19 15 15
Brightness Brightness
Peaking Peaking G00 G00 199 199 18 18 16 16 G00 G00
B07 B07 160 160 14 14 12 12 B07 B07
11 11 7 7 8 8
IIC Bus IIC Bus
6 6 4 4
B00 B00 153 153 10 10 8 8 B00 B00
Sync Sync
+ + H Sync H Sync
163 163 27 27 HS HS
Clock Clock
Clock Clock
V Sync V Sync
28 28
Gen. Gen. 162 162 VS VS
Generation Generation
LL Clock LL Clock CLK IN CLK IN
165 165 31 31 PLL PLL
17 17 CLKSEL CLKSEL
210 210 212 212 116 116 117 117
32 32 /PDWN /PDWN
X3101 X3101
IC3305 IC3305
DAC ICC EXPANDER DAC ICC EXPANDER
/POWN /POWN
5 5 14 14
P1 P1 SCL SCL
CLK SEL CLK SEL
6 6 P2 P2
S SEL S SEL
4 4 P0 P0 SDA SDA 15 15
S DET S DET
12 12
P7 P7
IC3105 IC3105
5V<=>3.3V 5V<=>3.3V
5 5 SCL SCL 3 3
2 2 SDA SDA 6 6
TERMINAL BOARD TERMINAL BOARD
INFORMATION INFORMATION
42WP37
TO J11 TO J11
H1 H1
TX0+ TX0+
47 47 B3 B3 TX0+ TX0+
TX0- TX0-
48 48 B2 B2 TX0- TX0-
TX1+ TX1+
TX1+ TX1+
45 45 B6 B6
TX1- TX1-
B5 B5 TX1- TX1-
46 46
TX2+ TX2+
B9 B9 TX2+ TX2+
41 41
TX2- TX2-
B8 B8 TX2- TX2-
42 42
TX3+ TX3+
B15 B15 TX3+ TX3+
37 37
TX3- TX3-
38 38 B14 B14 TX3- TX3-
TXC+ TXC+
B12 B12 TXC+ TXC+
39 39
TXC- TXC-
B11 B11 TXC- TXC-
40 40
IC3304 IC3304
5V<=>3.3V 5V<=>3.3V
7 7 SCL SCL 2 2
6 6 SDA SDA 3 3
IC3699 IC3699
EEPROM EEPROM
SCL SCL 6 6 B25 B25 SCL2 SCL2
SDA SDA 5 5 B24 B24 SDA2 SDA2
V/Y V/Y
A38 A38
A28 A28 L L
A26 A26 R R
B36 B36 S2 DET S2 DET
HV-Board Block Diagram