Panasonic TH-42PA50E / TH-42PE50B / TH-37PA50E / TH-37PE50B Service Manual ▷ View online
8.1. Power LED Blinking timing chart
1. Subject
Information of LED Flashing timing chart.
2. Contents
When an abnormality has occurred the unit, the protection circuit operates and reset to the stand by mode. At this time, the
defective block can be identified by the number of blinkes of the Power LED on the front panel of the unit.
defective block can be identified by the number of blinkes of the Power LED on the front panel of the unit.
8.2. No Power
First check point
There are following 3 states of No Power indication by power LED.
1. No lit
2. Green is lit then turns red blinking a few seconds later.
3. Only red is lit.
1. No lit
2. Green is lit then turns red blinking a few seconds later.
3. Only red is lit.
1. No lit
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TH-42PA50E / TH-42PE50B / TH-37PA50E / TH-37PE50B
8.3. No Picture
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TH-42PA50E / TH-42PE50B / TH-37PA50E / TH-37PE50B
8.4. Local screen failure
Plasma display may have local area failure on the screen. Fig - 1 is the possible defect P.C.B. for each local area.
Fig - 1
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TH-42PA50E / TH-42PE50B / TH-37PA50E / TH-37PE50B
9 Service Mode Function
MPU controls the functions switching for each IICs through IIC bus in this chassis. The following setting and adjustment can be
adjusted by remote control in Service Mode.
adjusted by remote control in Service Mode.
9.1. How to enter SERVICE 1
1. In sound menu, set BASS to MAXIMUM, and set TREBLE to MINIMUM.
2. Simultaneously press INDEX button on remote control and DOWN button [
2. Simultaneously press INDEX button on remote control and DOWN button [
] on the TV set.
9.2. How to enter SERVICE 2
1. Set the channel to CH99.
2. Select the SPL Gain.
3. Press HOLD button on remote control.
Note:
2. Select the SPL Gain.
3. Press HOLD button on remote control.
Note:
To exit to Service mode, press N or Power button on remote control.
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TH-42PA50E / TH-42PE50B / TH-37PA50E / TH-37PE50B
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