2, Service Mode - Sanyo C20VTI I-M Service Manual

2. Service Mode
Memory IC (IC81 O) replacement
Since part of adjustment data for the circuit is stored in the
memory
IC
(IC81O) that comes with
the CPU
(IC800), the adjustment data of the service mode must be checked and re-input (1. PF+OO, 2.VF K+00)
when the memory IC is replaced.
To enter the service mode
(1) Switch on the TV set.
(2) Press and
hold the 9
STOP button of the remote control transmitter or the TV set
for
more than
10 seconds.
STOP
* To exit from the service
mode, switch off the
Service mode display
or
TV's power
*CC
STOP '
by pressing Power ON/OFF button.
I
To select an adjustment item, press the Programme UP/DOWN (PA, P V'
DATA
1.PF 01
/
Uuuu
MENU
RR--l
o 'A
OK A+
8
0
m
mcTn
D
Adjustment item
Adjustment data
To change an adjustment data, press the VOLUME ( - +, a – ) button.
Uuuu
MENU
H o 'A
Table of the adjustment data
button.
-,
d
Screen display Adjustment item
Data
Range of data
Remarks
1.PF
Power trouble diagnosis 00
o–3 See page 12
2.VF
VCR self diagnosis
00
o–99
See page 13
–12–