Panasonic PDP-TV-2009-MODEL-FHD-TYPE Service Manual / Other ▷ View online
25
e.g. TNPH0793**
e.g. TNPH0793**
S
S
ignal Processing
ignal Processing
C
C
ircuit
ircuit
Data
IC2601
SYSTEM MPU
IC1100
Analog
Digital
Digital
VIDEO
SWITCH
IC3001
Y,Pb,Pr
IC4510
To SC/SS
board
A
IC8001
Peaks AVC
<A Board>
IC3001 : VIDEO SWITCH
IC4510 : A/D CONVERTER (10Bit), HDMI I/F
IC8001 : Video Signal Processor
IC1100 : SYSTEM MPU
IC1100 : SYSTEM MPU
Front End
Processor
Processor
GenX8
PD3-H
To C
board
HDMI 1
Tuner
PC IN
HDMI 2 HDMI 3
COMP 1
ETHERNET
SD Card
TU8300
IC8300
JK4503 JK4502 JK4501
JK8302
R,G,B / H,V
VIDEO 1
COMP 2
JK3701
JK3000
VIDEO 2
IC8001
Peaks-AVC
IC9300
PLASMA AI
Sub Field
Video
Data
HDMI I/F
10 bit A/D
IC5100
IC5110
GC6
Processor
LVDS TX
LVDS
Data
LVDS RX
R/G/B
36bit
LVDS
Data
Y/UV
Video Signal
Processor
IC8300 : FRONT END PROCESSOR
IC5100 : LVDS DATA
IC5110 : LVDS RX
IC9300 : PLASMA-AI
IC9300 : PLASMA-AI
IC9500
Discharge
Control
Data
Control
IC9003
GenX7
Panel Micom
IC9003 : PANEL MICOM
IC9300 : PLASMA AI
IC9500 : DISCHARGE CONTROL
to IC8001
Panel block
Tuner block
Data
Description of A Board
26
Except panel defect
S
S
ignal Processing
ignal Processing
C
C
ircuit
ircuit
Case 1. Picture problem
Case 2. Sound problem
Case 3. Not start / without LED blinking
Case 4. LED blinking 10 times
Case 5. LED blinking 3 times
Case 6. Communication error
As you might be aware, A board processes the video signal and
audio signal process as a main control function.
Listed below are 6 areas where problems most likely occur.
audio signal process as a main control function.
Listed below are 6 areas where problems most likely occur.
27
Case 1 : Picture Problem
Case 1 : Picture Problem
All input source have problem ?
No
Only Digital TV program has problem
Broadcasting wave
condition is OK?
condition is OK?
Only Analogue TV program has problem
Yes
No
Broadcasting wave
condition is OK?
condition is OK?
No
Wave Trouble
Antenna problem
・Broken
・too old
・wrong direction
・Tree, snow etc
Antenna problem
・Broken
・too old
・wrong direction
・Tree, snow etc
A board
Signal processor
e.g. IC8001 Peaks
Except panel defect
A board
Input terminal
e.g. IC3001,JK3100
Only DVD / VIDEO / PC
Input has problem ?
Input has problem ?
Yes
Wave trouble
Antenna trouble
・Broken
・too old
・wrong direction
・Tree, snow etc
Antenna trouble
・Broken
・too old
・wrong direction
・Tree, snow etc
A board
Tuner
e.g. TU8300
Yes
Yes
No
Using local maintenance,
Measuring by equipment etc
Measuring by equipment etc
Measuring by equipment etc
Only HDMI input source has problem
A board
HDMI I/F
e.g. IC4510
28
Case 2 : Sound Problem
Case 2 : Sound Problem
All input source has problem ?
Yes
Is there output voltage at
the speaker terminal ?
e.g. A14, A15 terminal
connected to the speaker?
the speaker terminal ?
e.g. A14, A15 terminal
connected to the speaker?
Check each input source
same as picture problem.
Refer to the previous page.
same as picture problem.
Refer to the previous page.
Yes
Speaker
No
Listening sound with headphone
is possible ?
is possible ?
Yes
No
No
A board
Audio signal
processor
e.g. IC4510
A board
Audio amp
e.g. IC2301
Under the wrong operation,
Even if MUTE is working
Listening by headphone is possible.
Even if MUTE is working
Listening by headphone is possible.
If only optical audio output has problem,
its terminal problem. e.g. D3050
its terminal problem. e.g. D3050
IC5480 Mute output is
High?
High?
Yes
No
A board
Audio Mute
e.g. IC5480
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