Panasonic TH-42PZ80UA Service Manual page 35

9.5. Block Diagram (5/6)
P POWER SUPPLY (EXCHANGE BOARD ONLY)
IC452,453
HOT
Q401,403
Q501,502
T501
F502 Q503,504
PFC
POWER
SUPPLY
PFC
IC451
VR451
IC501
PFC
CONTROL POWER
CONTROL
DS102
RECTIFIER
PC501
DS101
PHOTO
RECTIFIER
COUPLER
R104 RY102
RY101
T301
D201
L103
IC201
F103
POWER
OUT
D204
DS103
RECTIFIER
Q203
D205
PC201
PHOTO
COUPLER
L101
FILTER
PC203
PHOTO
COUPLER
AC DET
NEUTRAL LIVE
HIC201
P9 2 1 STB POWER
CONTROL
HOT
AC INLET
AC CORD
TH-42PZ80UA
Block (5/6) Diagram
COLD
Q701
D601 PR701
Vsus
C601
C602
IC701
IC703
PC701
D602
Vsus
Vsus
PHOTO ERROR DET
POWER
COUPLER
D603 IC702 VSUS
CONTROL
PC702 VR251
Vsus
ERROR DET PHOTO
COUPLER
Q601
D604
Q901
D605 IC901
+15V
CONTROL
Q904
IC603
Vda
IC902
ERROR DET
Vda
FSTB+15V
VR401
CONTROL
Q302
D301
Q301
FSTB15V_ON
15V_ON
Vsus_ON
Vsus DET
(LED:4TIMES) (LED:4TIMES)
POWER SOS
PANEL MAIN ON
HIC801
VDATA_DET
POWER MICOM
IC301
MAIN SW2
STB
ERROR DET
COLD
P7
7 6 10 5 2 1
A7
P2 SC2
1 Vsus
FORMAT CONVERTER,
D
PLASMA AI PROCESSOR
P11 SS11
1 Vsus
A5 D5
1
LVDS DATA
P12 SS12
31
IC9002
IIC2
1 Vda
2 Vda TEMP SENSOR
4 +15V(P) IC9303
FOR
8 MAIN_SW1
FACTORY D6
FLASH
USE
10 MAIN_SW2 MEMORY
IC9805
+3.3V
IC9301
P6 A6
+1.2V
1 +15V(SND)
DDR(L)
MEMORY
+15V(SND)
3
7 FSTB+15V
9 FSTB+15V
IC9401
IC9806
DDR(R)
+2.5V
MEMORY
P25 D25
+15V(P)
1 1
+15V(P)
2 2
+5V(P)
5 5
+5V(P)
6 6
+5V(STB)
Q9805,06
9 9
POWER SOS
12 12
PANEL MAIN ON
11 11
VDA_DET
13 13
A3 D3
PANEL STB_ON
2 IC9011
IIC_DATA1 7
IIC1 +3.3V(STB)
IIC_CLK1 8 +3.3V
IIC_DATA2 10
RESET
IIC2
IIC_CLK2 11
PANEL SOS 4
PANEL STATUS 3
35
IC9500
DISCHARGE CONTROL
CONTROL DATA
DISCHARGE
+3.3V SUSTAIN CONTROL
CONTROL
+1.2V SCAN CONTROL
+2.5V
IIC2
IIC2
FLASH I/F
LVDS DATA
D33 C21
+3.3V LVDS RX
CPG with SS VIDEO DATA 2
+1.2V
VIDEO DATA
H/V SYNC CONTROL
48
VIDEO DATA
SUB-FIELD PROCESSOR
PLASMA AI 66
VIDEO DATA
DDR I/F DATA DRIVER 67 +5V(P)
VIDEO DATA 68
CONTROL DATA
+2.5V
SUSTAIN CONTROL
IC9300
62 SOS8_SS
VIDEO/PANEL CONTROL
(LEFT)
IIC2
D32 C12
DDR I/F IIC2
2
VIDEO DATA
56
66
IIC2
IC9400
67 +5V(P)
(RIGHT)
68
CONTROL DATA
IIC1 SOS8_SS
D31 C11
(LED:8TIMES) (LED:8TIMES)
IIC1
IC9003 2
IIC2
VIDEO DATA
GenX6
IC9001 PANEL MICOM 56
66
EEPROM IIC2
67 +5V(P)
+3.3V(P) DET (LED:3TIMES) (LED:3TIMES)
68
CONTROL DATA
POWER ON/OFF
SOS4_PS
POWER SOS (LED:4TIMES) (LED:4TIMES)
PANEL MAIN ON
VDATA_DET
IC9802
+15V(P) DET (LED:2TIMES) (LED:2TIMES)
IC9803
+5V(P) DET (LED:5TIMES) (LED:5TIMES)
IC9019
IC9013
D20 SC20
BUS SW
SCAN CONTROL
1 +5V(P)
+3.3V(STB)
(LED:6TIMES) (LED:6TIMES) SOS6_SC1 15 SOS6_SC1
RESET
(LED:7TIMES) (LED:7TIMES) SOS7_SC2 SOS7_SC2
16
28 +15V(P)
PANEL SOS
29 +15V(P)
PANEL STATUS
30 +15V(P)
TH-42PZ80UA
Block (5/6) Diagram