Service Adjustments With Replacing Memory Ic(Ic802) - Sanyo C20LB87B 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 [3].
[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.
MENU
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. Picture Mode
17. Video status (Picture mode data)
Item
Colour
Contrast
Brightness
Sharpness
- +
CH VOL
: 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
: MANUAL
NORMAL STRONG
28 34
63 63
35 15
31 31
7
8
RECALL
0
The following picture appears on the screen.
This completes the initialization of memory IC.
SOFT MANUAL
22 28
63 63
40 35
31 31
-7-
9
SLEEP
02