Block (2/4) Diagram - Panasonic TH-P42A20M Service Manual

9.3.

Block (2/4) Diagram

A DIGITAL SIGNAL PROCESSOR
1
2
STB5V
3
P+15V
4
SUB3.3V
5
STB3.3V
6
LVDS DATA
IC9304
ADDR/DATA
FLASH
FLASH I/F
MEMORY
P_S0
P_S0
P_S1
P_S1
P+1.2V
1.2V
P+3.3V
3.3V
OSD I/F
XRSTSYS
DRVRST_D
IC9800
P+15V
+1.2V
IC9802
3.3V
IC9801
+5V
PANEL MICOM
DRVRST
DRVRST
XRSTSYS
XRSTSYS
OSD I/F
P+3.3V
P+3.3V DET
P+5V (LED:3TIMES) (LED:3TIMES)
P+5V DET
P+15V (LED:5TIMES) (LED:5TIMES)
P+15V DET
STB (LED:2TIMES) (LED:2TIMES)
IIC2
IC9001
STB_D3.3V
EEPROM
IIC2
IIC1
IC9004
IIC1
STB+3.3V/RESET
STB5V
+3.3V
STB_D3.3V
RESET RESET
POWER ON/OFF
PANEL STB_ON
P3V_
STB_
IIC2
IIC2
MCU_
IIC1
IIC
PANEL ALARM
PANEL ALARM(SOS)
PANEL READY
PANEL READY(STATUS)
PANEL MAIN ON
PANEL MAIN ON
SOS4_PS
SOS4_PS
(LED:4TIMES) (LED:4TIMES)
KEY SWITCH
KEYSCAN1
SW3759 F
SW3762 VOL.UP/CH.UP
SW3763 VOL.DN/CH.UP
SW3764 TV
SW3765 AV
33
IC9300 PD4
VIDEO DATA
PLASMA AI
CPG with SS
H/V Sync Control VIDEO DATA
Sub Filed Processor
P3V_
IIC2
DISCHARGE CONTROL
CONTROL DATA
SUSTAIN CONTROL
IC9400,01
SCAN CONTROL BUFFER
UHZ
SOS
X0 X1
X9300 25MHz
P+3.3V
P+5V
P+15V
IC9003
GenX7
SOS_DCC
(LED:9TIMES) (LED:9TIMES)
SOS8_SS
(LED:8TIMES) (LED:8TIMES)
(LED:6TIMES) (LED:6TIMES)
SOS6_SC1
SOS7_SC2
(LED:7TIMES) (LED:7TIMES)
IIC3
A17
IIC3
IIC0
IIC1
IIC3
A18
IIC2
STB_IIC2
MCU_IIC
A19
OSCX0 UARXD1/
X9000 UATXD1
10MHz
OSCX1
D2520
A1 K1
POWER LED
POWER LED(R) R_LED_ON
6 6
C.A.T.S. C.A.T.S.
2 2
SUB3.3V
REMOTE IN REMOTE IN
5 5
SUB3.3V
1 1
STB3.3V STB3.3V
3 3
A33 C11
11
VIDEO DATA
35
38 P+3.3V
40 P+3.3V
CONTROL DATA
A34 C21
3
VIDEO DATA
31
CONTROL DATA
52 P+3.3V
53 P+3.3V
55 P+5V
SUSTAIN CONTROL
49 SOS8_SS
A21 SN20
SCAN CONTROL
18 UHZ
15 SOS6_SC1
16 SOS7_SC2
1 P+5V
29 P+15V
30 P+15V
FOR
FACTORY
USE
FOR
FACTORY
USE
FOR
FACTORY
USE
K
POWER LED
REMOTE RECEIVER
C.A.T.S. SENSOR
SN2510
C.A.T.S SENSOR
RM2510
REMOTE