Service Adjustments - Sanyo C21LF37 Service Manual

Service Adjustments

General
This set has an On-screen Service Menu system included in the CPU that allows remote operation for most of the
service adjustments.
IC802 (EEPROM) Replacement
When IC802 (EEPROM) is replaced, IC801 (CPU) will automatically write the initial reference data into IC802 for basic TV operation.
However, the bus data should be checked and some bus data should be set up before attempting the service adjustments. (See
pages 9 ~ 10 for detailed information.)
Initial Bus Data Setup
Note: When IC802 (EEPROM) is replaced, following Service Menu should be set up for proper TV operation before attempting the
service adjustments.
NO.01 RFAGC (Adjust the data 06 to10)
NO.05 V-SCO (Adjust the data 17 to 11)
NO.06 V-LIN (Adjust the data 15 to 16)
NO.11 VLI60 (Adjust the data +1 to 0)
NO.19 RDRIV (Adjust the data 63 to 64)
NO.20 GDRIV (Adjust the data 07 to 08)
NO.21 BDRIV (Adjust the data 63 to 64)
NO.24 B-YD (Adjust the data 10 to 08)
NO.25 R-YD (Adjust the data 10 to 08)
NO.68 AFCAV (Adjust the data 00 to 01)
NO.81 POMT (Adjust the data 12 to 08)
Service Adjustment-1
1. Enter the Service Menu
While pressing the MENU button on the television, press the Number Key 2 on the remote control unit.
The Service Menu now appear.
S1.00110000
ADDRESS
02 H-PHA
Item
Item No.
[ Service Mode Display ]
2. Service Adjustments:
Press the Cursor /
button on the remote control handset to select the
desired service menu item you want to adjust.
Use the Cursor + / - or VOLUME + / - button to
adjust the data. The + or - button will increase or
decrease the data sequentially.
3. Exit from the Service Menu
Press the MENU button to turn off the Service Menu
display.
The data which is set in the service mode is stored
into the memory IC automatically.
NO.82 CHMT (Adjust the data 12 to 05)
NO.84 RELAY (Adjust the data 80 to 20)
NO.85 CCD (Adjust the data 26 to 31)
NO.300 R00 (Adjust the data FF to 93)
NO.301 R01 (Adjust the data FF to 0E)
NO.302 R02 (Adjust the data FF to 00)
NO.303 R03 (Adjust the data FF to 00)
NO.304 R04 (Adjust the data FF to 01)
NO.305 R05 (Adjust the data FF to 00)
NO.306 R06 (Adjust the data FF to 00)
NO.307 R07 (Adjust the data FF to 00)
S2.01111000
DATA
08
Data value
or CHANNEL UP/DOWN
NO.308 R08 (Adjust the data FF to 21)
NO.309 R09 (Adjust the data FF to 95)
NO.310 R10 (Adjust the data FF to 50)
NO.311 R11 (Adjust the data FF to 00)
NO.371 R71 (Adjust the data FF to 00)
NO.372 R72 (Adjust the data FF to A2)
MENU CH
MENU
Cursor -
-8-
↓ ↓
Cursor
Cursor +
Cursor