Service Adjustments With Replacing Memory Ic(Ic802) - Sanyo C21LB25S Service Manual

Service Adjustments with Replacing Memory IC(IC802)

Note: The CPU (IC801) and memory IC (IC802) store the service adjustments data and controls data for each circuit.
When the Memory IC(IC802) is replaced, some of the service adjustments should be readjusted to obtain the
best performance. The necessary service adjustments are carried out by using the RC handset. Please set
up the TV set with following steps [1] to [4].
[1] Initializing Procedure
1. Put a new memory IC.
2. Turn on the TV set.
3. Press and hold the MENU button on the TV set, then press 0 button on the remote control transmitter.
ME NU
Following shows the initialized contents of memory data by this procedure.
1. TV/AV mode
2. Antenna or cable setting : Antenna
3. Colour system
4. Channel Memory
5. Receiving Channel
6. Sound Volume
7. Color
8. Contrast
9. Brightness
10. Sharpness
11. Tint
12. Language
13. Password
14. Channel Block
15. Sleep Timer
16. Clock, ON/OFF Timer
17. Picture Mode
18. Stereo/Mono Setting
19. Bass
20. Treble
21. Balance
22. Video status (Picture mode data)
Item
Colour
Contrast
Brightness
7
RECALL
: TV mode
: AUTO
: Clear
: Ch02
: 11/63 steps
: 30/63 steps
: 63/63 steps
: 32/63 steps
: 31/63 steps
: 31/63 steps
: Spanish
: Clear
: Clear
: Clear
: Clear
: MANUAL
: Stereo
: 31/63 steps
: 31/63 steps
: 31/63 steps
NORMAL STRONG
28 34
63 63
35 15
The following picture appears on the screen.
8
0
This completes the initialization of memory IC.
SOFT MANUAL
22 28
63 63
40 35
-8-
02