Hb-Board Block Diagram - Panasonic TH-42PHD8BK Service Manual

15.7. HB-Board Block Diagram

HB BNC COMPOSITE/S VIDEO
9V
Q3002
JK3001 IC3001
C Y AMP
S-VIDEO IN
SWITCH
6
JK3002
9V
7
VIDEO IN/OUT
VIDEO
1
IN
Q3003
VIDEO
2 AMP
OUT
JK3004
9V
AUDIO IN
Q3051
L AMP
L IN
9V
R IN
Q3052
R AMP
TH-42PHD8BK/BS/EK/ES
HB-Board Block Diagram
IC3003
AMP
3
+ 1 Q3006 Q3101,3102
-
BUFFER BUFFER
IC3002
AMP
9V
1 3
+
1
-
Q3007 Q3104
L.P .F.
Q3005
BUFFER BUFFER
5
AMP
9V
Q3023
AMP
Q3004
INV.
IC3104 IC3201
RESET MEMORY
5M
4 OUT
IC3103
GC2M
65
MEMORY CONTROLLOR
C
72
Color
Analog Adaptive 2DScalar Output
Decoder
Front-End Comb PIP Formatter
NTSC
Filter
Panorama
PAL Mixer
SECAM Contast
AGC
NTSC Brightness
2 ADC
PAL Saturation
Peaking
Tint
95
V/Y
IIC Bus
Sync
+
Clock
Clock
Gen.
Generation
210 212 116 117
X3101
65
TH-42PHD8BK / TH-42PHD8BS / TH-42PHD8EK / TH-42PHD8ES
FIFO
IC3251
LVDS TRANSMITTER
H1
R07 R07
13 3 56
TX0+
55 54 8 47 B3
TX0-
52 51 48 B2
R00 6 2 50 R00 TX1+
45 B6
TX1-
46 B5
G07 24 23 G07
206
TX2+
41 B9
22 20 8
TX2-
19 15
42 B8
G00 199 18 16 G00 TX3+
37 B15
TX3-
38
B14
B07 160 14 12 B07
8
11 7
6 4
B00 B00
153 10 8
H Sync
163 27 HS
V Sync
VS
162 28 TXC+
39 B12
LL Clock CLK IN
165 31 PLL
TXC-
40 B11
17 CLKSEL
32 /PDWN
IC3305 IC3304
5V<=>3.3V
DAC ICC EXPANDER
/POWN
5 P1 SCL 14 7 SCL 2
CLK SEL
6 P2
S SEL
P0 SDA SDA
4 15 6 3
S DET
12 P7
IC3105
5V<=>3.3V
SCL
5 3
SDA
2 6
IC3699
EEPROM
SCL 6 B25
TERMINAL BOARD
INFORMATION
SDA 5 B24
B36
A38
A28
A26
TH-42PHD8BK/BS/EK/ES
HB-Board Block Diagram
TO
J-BOARD
SLOT
TX0+
TX0-
TX1+
TX1-
TX2+
TX2-
TX3+
TX3-
TXC+
TXC-
SCL2
SDA2
S2 DET
V/Y
L
R