Hb-Board Block Diagram - Panasonic TH-50PHD8UK Service Manual

TH-50PHD8UK

15.8. HB-Board Block Diagram

HB BNC COMPOSITE/S VIDEO
9V
Q3002
JK3001
C Y AMP
S-VIDEO IN
JK3002
9V
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-50PHD8UK
HB-Board Block Diagram
IC3003
AMP
3
+ Q3006 Q3101,3102
1
-
BUFFER BUFFER
IC3001
IC3002
SWITCH
AMP
9V
6
1 3
+
1
-
Q3007
L.P .F.
7
Q3005
BUFFER
5
AMP
9V
Q3023
AMP
Q3004
INV.
IC3104
RESET
4 OUT
IC3103
GC2M
65
C
72
Color
Analog Adaptive 2DScalar
Decoder
Front-End Comb PIP
NTSC
Filter Panorama
PAL Mixer
Contast
AGC SECAM
NTSC
Brightness
2 ADC
PAL Saturation
Peaking
Tint
Q3104
95
V/Y
IIC Bus
BUFFER
Clock
Gen.
210 212 116
X3101
72
IC3201
MEMORY
5M FIFO
IC3251
LVDS TRANSMITTER
R07 13 3 56 R07
MEMORY CONTROLLOR
TX0+
8 47
55 54
TX0-
52 51
48
R00 R00 TX1+
6 2 50
45
TX1-
Output 46
G07 206 24 23 G07
Formatter TX2+
8 41
22 20
TX2-
19 15
42
G00 G00 TX3+
199 18 16
37
TX3-
38
B07 160 14 12 B07
8
11 7
6 4
B00 10 8 B00
153
Sync
+ H Sync
HS
Clock 163 27
V Sync
162 28 VS TXC+
Generation 39
LL Clock CLK IN
31
165 PLL
TXC-
40
117
17 CLKSEL
/PDWN
32
IC3305 IC3304
DAC ICC EXPANDER 5V<=>3.3V
/POWN
5 P1 SCL 14 7 SCL 2
CLK SEL
P2
6
S SEL
SDA
4 P0 SDA 15 6 3
S DET
12 P7
IC3105
5V<=>3.3V
5 SCL 3
2 SDA 6
IC3699
EEPROM
SCL
6
TERMINAL BOARD
INFORMATION
SDA 5
TH-50PHD8UK
HB-Board Block Diagram
TO
J-BOARD
SLOT
H1
B3 TX0+
B2 TX0-
B6 TX1+
B5 TX1-
B9 TX2+
B8 TX2-
B15 TX3+
B14 TX3-
B12 TXC+
B11 TXC-
B25 SCL2
B24 SDA2
B36 S2 DET
A38 V/Y
A28 L
A26 R