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Panasonic Manuals
Plasma TV
TH-42PX80U
Service manual
Panasonic TH-42PX80U Service Manual page 32
42” class 720p plasma hdtv
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Also See for TH-42PX80U
:
Operating instructions manual
(148 pages)
,
Service manual
(103 pages)
,
Technical manual
(53 pages)
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Table Of Contents
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
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9.4.
Block Diagram (4/5)
P6
A7
P7
PA5600
FSTB+15V
13
FSTB+15V
15
FSTB+15V
17
IC5400
+15V(SND)
1
+5V(S)
+15V(SND)
3
+5V
+15V(SND)
5
+5V(STB)
10
IC5401
TV SUB ON
+9V(S)
TV SUB ON
12
+9V
FSTB+15V
(LED:10TIMES)
(LED:10TIMES)
Q5522
VOLTAGE
DROP
ERROR DET
+15V(SND)
1
F15V
+9V(S)
+5V(S)
+30V(BT)
D5521
D5522
+30V(BT)
2
+5V(S)
3
HDMI SOUND
4
+9V(S)
5
FSDT+15V
6
Y/PB/PR
7
+5V(STB)
8
+3.3V(S)
9
10
+3.3V(STB_TU)
11
R/G/B_24bit
12
LVDS_TA1P-5P
13
TH-42PX80U
Block Diagram (4/5)
A
DIGITAL SIGNAL PROCESSOR
+5V(STB)
IC4511
+5V(S)
+3.3V
TV SUB ON
IC4512
+3.3V(S)
HDMI I/F RECEIVER
+1.8V
IC4510
TUNER SOS
10bit A/D
TV SUB ON
+3.3V
IC4513
+1.8V
+1.8V
+1.8V
HDMI PROCESSOR
HDMI_SD
AUDIO
HDMI_SPDIF
INTERFACE
VIDEO
INTERFACE
R(10bit)
HDCP KEY
G(10bit)
B(10bit)
SW
A/D CONV.
TV SUB ON
SOUND SOS
AFT
KEYSCAN1
TUNER SOS
DTV RESET
STB RESET
IIC1
IC1101
EEPROM
IC4103
IC4800
SERIAL SW
IIC1
TEMP SENSOR
JK4500
JK4501
HDMI IN 2
HDMI IN 1
A11
IC4514
3.3V
->5V
IC4515
3.3V
->5V
DDCA_IIC
DDCC_IIC
DDCB_IIC
HDMI
DECODE
IIC
IIC1
IIC2
TENP SENSOR
H/V
Y/PB/PR
D1107
Q9805,06
IC1100
STB MCU
GenX5
IC1102
BUFEER
TV SUB ON
SOUND SOS
(LED:12TIMES)
(LED:12TIMES)
AFT
KEYSCAN1
PANEL STB_ON
PANEL STB_ON
TUNER SOS
(LED:10TIMES)
(LED:10TIMES)
PANEL SOS
PANEL SOS
PANEL STATUS
PANEL STATUS
DTV RESET
SBI2
STB RESET
SBO2
+3.3V(STB_TU)
IIC3
IIC3
IIC1
POWER LED(R)
SUB+3.3V DET
SUB+5V DET
REMOTE IN
SUB+9V DET
KEYSCAN3
32
GH10
GH HDMI3 IN
HDMI IN 3
DDC IIC
IC3802
EEPROM
GH11
D3814
D3813
DDC IIC
26
HDMI_CEC
26
+5V(HDMI)
12
HDMI5V DET
12
DET_3
22
+5V(S)
22
Q3802
20
+3.3V(S)
20
18
+3.3V(S)
18
TMDS DATA
IC3801
CLOCK
TMDS DATA
HDMI EQUALIZER
IC9500
DISCHARGE
CONTROL
CONTROL DATA
DISCHARGE
+3.3V
SUSTAIN CONTROL
IC9002
CONTROL
+1.2V
SCAN CONTROL
+2.5V
IIC2
IC9303
IC9802,03
FLASH
IIC2
MEMORY
LEVEL CONV.
FLASH I/F
VIDEO DATA
LVDS
DATA
LVDS RX
CPG with SS
+3.3V
H/V SYNC CONTROL
IC9805
SUB-FIELD PROCESSOR
+1.2V
+3.3V
PLASMA AI
IC9901
+2.5V
OUT
DATA DRIVER
VIDEO DATA
+1.2V
DDR
DDR I/F
IC9900
OUT
MEMORY
CLK
VIDEO/PANEL CONTROL
IIC2
IIC2
IC9806
CLK
IIC1
SOS8_SS
+2.5V
(LED:8TIMES)
(LED:8TIMES)
OUT
IIC1
IIC2
IC9001
(LED:6TIMES)
(LED:6TIMES)
EEPROM
IIC2
SOS6_SC1
SOS7_SC2
(LED:7TIMES)
(LED:7TIMES)
POWER ON/OFF
+3.3V(P) DET
(LED:3TIMES)
(LED:3TIMES)
+15V(P) DET
(LED:2TIMES)
(LED:2TIMES)
+5V(P) DET
(LED:5TIMES)
(LED:5TIMES)
IC9013
IC9003
IC9011
Q9044,46
GenX6
BUS SW
PANEL MICOM
+3.3V(STB_D)
+3.3V
+3.3V(STB)
PANEL MAIN ON
RESET
RESET
POWER SOS
PANEL SOS
(LED:4TIMES)
(LED:4TIMES)
PANEL STATUS
VDA_DET
D2520A
A1
K1
POWER LED
RM2501
LED R
REMOTE
4
4
RECEIVER
REMOTE IN
3
3
+3.3V(STB)
K1
S2
1
1
ON
KEYSCAN3
6
6
8
2
7
1
K
POWER LED
REMOTE RECEIVER
S
POWER SWITCH
A17
FOR FACTORY USE
A18
FOR FACTORY USE
A31
C11
55
+5V(P)
54
+5V(P)
53
+5V(P)
CONTROL DATA
7
VIDEO DATA
40
A32
C21
CONTROL DATA
14
VIDEO DATA
54
+5V(P)
3
2
+5V(P)
1
+5V(P)
SUSTAIN CONTROL
68
SOS8_SS
A20
SC20
SCAN CONTROL
15
SOS6_SC1
16
SOS7_SC2
28
+15V(P)
29
+15V(P)
30
+15V(P)
1
+5V(P)
A25
P25
9
PANEL MAIN ON
10
SOS4_PS
11
VDA_DET
1
+15V(P)
2
+15V(P)
5
+5V(P)
6
+5V(P)
SW2500
POWER SWITCH
TH-42PX80U
Block Diagram (4/5)
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