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bfL-PDl U
ADJUSTING THE TOUCH PANEL CIRCUIT
1. Touch panel position detection adjustment
Test point
LCD panel display area
Mode
VCR AV input
Procedure
1) Enter the adjustment
of touch panel adjustment
mode.
2) Press successively
the two-point
OSD indication
which appears on the LCD indication
surface.
Note: To set the touch panel adjustment
mode, press "CONTINUE"
-+ "TEST" on the remote control for
adjustment,
adjust the address to "OE" with FF/REW, and press the PB key.
Examples
ADJUSTING THE MIC AMP CIRCUIT
(Wiring board diagram: Main Side B)
TL603(INT MIC L)
EE level check
\
Frequency character
check
TL604
(Audio-R out)
EE level check
Frequency character
check
TL605
(Audio-L out)
EE level check
Frequency character
\
TL2402
(EXT MIC R)
EXT MIC
TL2401
(EXT MIC L)
EXT MIC
EXT MIC
check
EXT MIC
1. EE level check
Measuring
instrument
Valve voltmenter
Test point
TL605
TL604
+ TL601 (INT MIC R)
EE level check
Mode
P-ON (CAM)
Adjustment
rating
-1OdBs I!I 3dB
1 Test signal
IlkHz
-54dBs sine wave
Procedure
1) Input 1 kHz, -54dBs sine wave into TL603(lNT
MIC L), TLGOl(INT
MIC R).
2) Make sure that the signal level of TL605 Audio-L out and TL604 Audio-R out is within the
standard limits.
Remark
TL608 : OPEN
Examples
IO-15
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