Hy And Hz Block Diagrams - Panasonic TH-42PWD4 Service Manual

13.13. HY and HZ Block Diagrams

HY (for TH-42PWD4 series)
HZ (for TH-42PW4 series)
S-DET.
C
S-VIDEO
IC3301
IN
Q3302
6
Y
1
VIDEO
7
IN
5
VIDEO
AV
OUT
# 42PWD4 Q3307
only
S SELECT
R IN Q3505
AUDIO IN
L IN Q3504
R IN Q3505
AUDIO IN
L IN Q3504
COMPONENT/RGB IN
Pb/B
Q3351
Y/G
Q3356
Pr/R
Q3357
HD Q3358
Q3359
VD
Q3352
Q3353
Q3301
Q3801/Q3803/Q3805
IC3302
3
Q3802 Q3806/Q3807
Q3809
Q3306
+
1 LPF
Q3804 Q3808
Q3810
4
SDA
SCL
IC3803 for NTSC 3D COMB FILTER
16M SDRAM
2 ~ 12, 39 ~ 49 15 ~ 32
IC3804 GC1
120 ~ 138
100 ~ 119
Memory Controllor
C
DIGITAL
62
3D
COMB
PICTURE
Y
FILTER
Y IMPROVER
Pb
A/D
84
Pr
D/A
OUT
COLOUR
SYSTEM
83 DET.
89
SYNC. DET.
SYNC. PULSE
90 SYNC.
GENERATOR
SEPARATOR
V(50~120)
H(15K~ 45K)
94
H
VCO
PLL
PLL
96
184 161 8
H OUT FREE RUN
Q3817
L: FREE RUN
H:LOCK
IC3501
SCL
12 14
DAC - IIC
EXPANDER SDA
9
15
4
INFORMATION
81
H1
B
A
TO J1
9V 1
5
5V
9
3.3V
13
STB5V
TO J2
H2
B
A
Y
1 Y
20 Q3812 Q3501/Q3507
Pb
200 Q3813
Q3502/Q3508 3 Pb
Pr
Q3815 Q3503/Q3509 5 Pr
195
IC3809
SYNC, BUFFER
6 14
7 6 HD
156 4
16 8 VD
6 S2 DET.
2 AUDIO L
4
AUDIO R
AUDIO L
1
13 AUDIO R
17 B / Pb
19 G / Y COMPONENT
R / Pr
15
7 HD
9
VD
19
SCL3
IC3699
20 SDA3
TERMINAL
6
BOARD EEPROM
5
TH-42PW4 / TH-42PWD4
AV
RGB/