Sanyo PLV-55WHD1 Service Manual page 74
Lcd hd pro series
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Also See for PLV-55WHD1:
- Owner's manual (35 pages) ,
- Service manual (48 pages) ,
- Service manual (53 pages)
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Electrical Adjustments
c
TV sound level adjustment
Equipment
Input mode
Input audio signal
1. Enter the service mode.
2. Adjust the audio output amplitude at Audio output-(L)
terminal to become 400 ±10 mVac.
Item no.
Test Point
750
(+) L audio output
(–) GND
Note:
At the case with using an oscilloscope, adjust the
audio output amplitude at Audio output-(L) terminal to
become 1.41 ±0.02 Vp-p.
v
TV stereo separation adjustment
Equipment
Input mode
Audio mode
Input audio signal
1. Enter the service mode.
2. Adjust the amplitude of 4KHz at Audio output-(L) ter-
minal to become minimum level.
Item no.
Test Point
751
(+) L audio output
(–) GND
Minimum leakage
3. Adjust the amplitude of 300Hz at Audio output-(R)
terminal to become minimum level.
Item no.
Test Point
752
(+) R audio output Minimum at 300Hz
(–) GND
Minimum leakage
300Hz
Digital voltmeter
Analog TV mode
1KHz 100% modulation
Adjustment value
500
±10 mVac
Oscilloscope
Analog TV mode
Stereo mode
Multi sound program
Adjustment value
Minimum at 4KHz
4KHz
Adjustment value
b
TV video level adjustment
Equipment
Input mode
Input signal
1. Adjust the amplitude "
tuner board.
Test Point
(+) TPTV
(–) TUNER_GND
(a)
-74-
Oscilloscope
Analog TV mode
Color bar pattern
a
VR101
" by using
on the
Adjustment value
1.0
±0.03Vdc
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