SERVICE MANUAL
Document No
Date of Origin
Date of REV
51-L-DSR004
98-10-21
PAGE REV.
0
PAGE
35 /102
S-00-005(96.03.27)
REV.1
7-9-1-2.
Check control
signal whether
PLL Control
of the Tuner works
properly
as follows.
TU_SDA
:
Pin 2 of U103
TU_SCL
:
Pin 10 of U103
CH_CTRL
:
Pin 12 or 13 of U103
CH_CTRL
TU_SDA
500us
5V
0V
5V
0V
CH_CTRL
TU_SCL
500us
5V
0V
5V
0V