Hb-Board Block Diagram - Panasonic TH-42PHW7EX Service Manual

TH-42PHW7EX / TH-42PHD7EK / TH-42PHD7BK / TH-42PHD7UY

15.12. HB-Board Block Diagram

HB
Composite Video Terminal(BNC) Board
JK3001 C IN C
S-VIDEO IN Y IN Y Q3002
AMP
VIDEO
Q3003
JK3002 IN
AMP
VIDEO
VIDEO IN/OUT
OUT
L IN
JK3004
AUDIO IN
R IN
TH-42PHD7BK/EK/UY, TH-42PHW7EX
HB-Board Block Diagram
IC3003
AMP
3
+ Q3006
1
-
BUFFER
IC3003
SWITCH
INV.
IC3003
Q3004 5
AMP
6
1 3
+ Q3005 L.P .F. Q3007
1
-
7
AMP BUFFER
Q3023
AMP
Q3051
L AMP
Q3052
R AMP
IC3104
RESET
4 OUT
IC3103
GC2M
65
C
Q3101,3102
72
BUFFER
Color
Analog Adaptive Decoder
Mixer
Front-End Comb
NTSC
Filter
PAL
SECAM
AGC
NTSC
2 ADC
PAL Saturation
Tint
V/Y
Q3104
95
BUFFER
Clock
Gen.
210
X3101
76
IC3201
MEMORY
5M FIFO
IC3251
LVDS TRANSMITTER
13 3 56
MEMORY CONTROLLOR R07 R07
TX0+
47
55 54 8
TX0-
52 51
48
TX1+
R00 6 2 50 R00
45
TX1-
46
2DScalar Output
G07 206 24 23 G07
PIP Formatter TX2+
41
22 20 8
Panorama
TX2-
Contast
19 15
42
Brightness
TX3+
Peaking 18 16
G00 199 G00
37
TX3-
38
B07 160 14 12 B07
11 7 8
IIC Bus 6 4
B00 153 10 8 B00
Sync
+ H Sync
163 27 HS
Clock
V Sync
TXC+
162 28 VS
Generation 39
LL Clock CLK IN
165 31 PLL
TXC-
40
17 CLKSEL
212 116 117
32 /PDWN
IC3305 IC3304
DAC ICC EXPANDER 5V<=>3.3V
/POWN
5 P1 SCL 14 7
CLK SEL
6
P2
S SEL
4 P0 SDA 15 6
S DET
12 P7
IC3105
5V<=>3.3V
5 SCL 3
2 SDA 6
IC3699
EEPROM
TERMINAL BOARD
INFORMATION
TH-42PHD7BK/EK/UY, TH-42PHW7EX
HB-Board Block Diagram
TO J11
H1
B3 TX0+
B2 TX0-
B6 TX1+
B5 TX1-
B9 TX2+
B8 TX2-
B15 TX3+
B14 TX3-
B12 TXC+
B11 TXC-
SCL 2
SDA 3
SCL 6 B25 SCL2
SDA 5 B24 SDA2
A38 V/Y
L
A28
A26 R
B36 S2 DET