Pa-Board (1 Of 2) And H3-Board Block Diagram - Panasonic TH-65PX600U Service Manual

15.7. PA-Board (1 of 2) and H3-Board Block Diagram

PA DC-DC CONVERTER/POWER SOS
SPEAKER OUT/DIGITAL AUDIO PROCESSOR
FAN CONTROL
FOR MAIN3.3V
PA3
FACTORY
USE
3.3V 1
2
SRQ1
SCL 4
SDA 5
TO P5 PA5
1
+15V
+15V 2
+15V 6
+15V 7
+15V 8
+15V
H3
JK8500 H37
SPEAKER 1
PA2
TERMINAL
3 SP_R+
(R)
1
SP_R-
2
SP_L+
H3 4
JK8500 H37 SP_L-
5
SPEAKER
1
TERMINAL
3
(L)
TH-65PX600U
PA-Board (1 of 2) and H3-Board Block Diagram
MAIN 3.3V
Q2303
+15V
D2306
D2307
IC2303
AVR 12V
INPUT
1 3
OUTPUT
MAIN 3.3V
IC2302
STEREO POWER STAGE
41 PVDD_A
40 PVDD_A 12V
POWER ON RESET VREG 21
PVDD_B
35
32 PVDD_C 5
PROTECTION AND
27 PVDD_D
7
I/O LOGIC
26 PVDD_D
17
TIMING RMW
OUT_A PWM_A
39 /GATE RECEIVE 6
DRIVE /CONTROL
BST_A
43
SDA1
TIMING RMW
OUT_B PWM_B
SCL1
36 /GATE RECEIVE 8
DRIVE /CONTROL
BST_B MAIN 3.3V
34
TIMING RMW
OUT_C PWM_C
31 /GATE RECEIVE 16
DRIVE /CONTROL
BST_C
33
TIMING RMW
OUT_D PWM_D
28 /GATE RECEIVE 18
DRIVE /CONTROL
BST_D
24
IC2309 IC2306
AND GATE
5 VCC IN_B 1 4 OUT
4 OUT_Y IN_A 2
DIGITAL SOUND CONTROLLER
IC2300
MAIN 3.3V
6ch DIGITAL AUDIO
PWM PROCESSOR 9
DVDD1
30 DVDD2
MUTE
VALID1 38 AVDD
16
31 PWM SYSTEM
RESET
CONTROL CONTROL
9 32 RESET
PWM_1
38
27 SDOUT1
26 SDOUT2
SDIN1
PWM_2
37 26
25 SDOUT3
SDIN2
PWM_3
36 25 19 LRCLK
22 SCLKOUT1
SDIN3
PWM_4
35 24
21 MCLKO
LRCLK
CLOCK 19
SDA
17 SERIAL RATE/
SCLK
CONTROL ERROR 20
SCL
18 IF DETECTION
MCLK
AND PLL 8
2 AVDD
11 DVDD
87
MAIN3.3V
RESET
VDD 2
IC2305
EEPROM
/WP 7
MAIN3.3V
6 SCL
IC2304 5 SDA VCC 8
SCL2 18
SDA2 17
IC2307
SCL1 16 SCL1
STEREO AUDIO ADC
SDA1 15 SDA1
X1/64 ANTIALIAS
DOUT SERIAL
SDIN1 11 9 VINL
DECIMATION LPF/
IF
FILTER DELTA-
BCK
8
WITH SIGMA
LRCK
HPF MOD.
X2300 7
XLT1 3
CLOCK/
XLT0 4 SCKI
6 TIMING
CONTROL
ANTIALIAS
LPF/
VINR
DELTA-
SIGMA
MOD.
VCC VDD
3 4
MAIN5V MAIN3.3V
TH-65PX600U
PA-Board (1 of 2) and H3-Board Block Diagram
TH-65PX600U
1
2
3
13 4
14 5