SERVICE MODE
To enter service mode, you have to make the given user remote control to a service remote control. The proceedings are:
- Prepare normal remote control unit. (Part No. NE906UD)
- Remove 3 Screws from the back lid.
- Add J1 (Jumper Wire) to the remote control CBA.
TO ENTER SERVICE MODE
- Use the service remote control unit.
- Turn the power on. (Use main power on the TV unit.)
- Press [SLEEP] button on the service remote control unit. Version of microcomputer will display on the CRT. (M02-0.05 N2S **)
- Check the display on the lower left is “02” and if it is not “02” set it at “02” according to "Initial Setting"
INITIAL SETTINGS
- Enter the Service mode.
- Press [VOL ▼] button on the service remote control unit. Display changes “C/D”, “7F”, “VIDEO”, “AV MEMO”, “STABLE SOUND”, “300”,“YUV MEMORY”, and “NO SIG BRT” cyclically when [VOL ▼] button is pressed.
- To set the following each data value, press [CH ▲/▼] buttons on the service remote control unit.
- 7F---Set to “FF”.
- VIDEO---Set to “V1/V2/YUV”.
- AV MEMO---Set to “OFF”.
- STABLE SOUND---Set to “OFF”.
- 7E DATA---Set to “300”.
- YUV MEMORY---Set to “OFF”.
- NO SIG BRT---Set to “0”.
Setting for BRIGHT, CONTRAST, COLOR, S-COLOR, COMPONENT COLOR, TINT, V-TINT, S-TINT, COMPONENT TINT, SHARP, S-SHARP, and COMPONENT SHARP Data Values:
CNTPress [MENU] button on the service remote control unit. Then select “CONTRAST” (CNT) display.
Press [CH▲/▼ ] buttons on the service remote control unit so that the value of “CONTRAST” (CNT) becomes 59.
CLR
Press [MENU] button on the service remote control unit. Then select “COLOR” (CLR) display.
Press [CH ▲/▼] buttons on the service remote control unit so that the value of “COLOR” (CLR) becomes 73.
S-CLR
Press [MENU] button on the service remote control unit. Then select “S-COLOR” (S-CLR) display.
Press [CH ▲or ▼] buttons on the service remote control unit so that the value of “S-COLOR” (SCLR) becomes 73.
C-CLR
Press [MENU] button on the service remote control unit. Then select “COMPONENT COLOR” (C-CLR) display.
Press [CH ▲/▼] buttons on the service remote control unit so that the value of “COMPONENT COLOR” (C-CLR) becomes 59.
TNT
Press [MENU] button on the service remote control unit. Then select “TINT” (TNT) display.
Press [CH▲/▼ ] buttons on the service remote control unit so that the value of “TINT” (TNT) becomes 54.
V-TNT
Press [MENU] button on the service remote control unit. Then select “V-TINT” (V-TNT) display.
Press [CH ▲or ▼] buttons on the service remote control unit so that the value of “V-TINT” (V-TNT) becomes 59.
S-TNT
Press [MENU] button on the service remote control unit. Then select “S-TINT” (S-TNT) display.
Press [CH ▲/▼] buttons on the service remote control unit so that the value of “S-TINT” (S-TNT) becomes 58.
C-TNT
Press [MENU] button on the service remote control unit. Then select “COMPONENT TINT” (CTNT) display.
Press [CH ▲/▼] buttons on the service remote control unit so that the value of “COMPONENT TINT” (C-TNT) becomes 63.
SHARP
Press [MENU] button on the service remote control unit. Then select “SHARP” (SHARP) display.
Press [CH ▲/▼] buttons on the service remote control unit and select “42.”
S-SRP
Press [MENU] button on the service remote control unit. Then select “S-SHARP” (S-SRP) display.
Press [CH ▲or ▼] buttons on the service remote control unit and select “40.”
C-SRP
Press [MENU] button on the service remote control unit. Then select “COMPONENT SHARP” (C-SRP) display.
Press [CH ▲/▼] buttons on the service remote control unit and select “45.”
Note: BRIGHT data value does not need to be adjusted at this moment.
+B ADJUSTMENT
Purpose: To obtain correct operation.
Symptom of Misadjustment: The picture is dark and the unit does not operate correctly.
- Connect DC Volt Meter to TP601 and J371(GND).
- Adjust VR661 so that the voltage of TP601 becomes +132±0.5 V DC.
FACTORY MODE [SD Check Mode]
- Enter the Service mode.
- Press [1] button on the remote control unit. The unit enters the SD-Check mode.
- The unit starts selecting the added channel from first channel according to the memorized CH ADD/DELL data and CATV/TV data in RAM.
To put the program back at the factory-default, initialize the Analog/Digital Color Television as the following procedure.
Use the service remote control unit.
- Turn the power on. (Use main power on the TV unit.)
- Press [SLEEP] button on the service remote control unit to enter the Service mode.
- Press [VOL▼ ] button on the service remote control unit twice, and confirm that OSD indication is “7F = FF.” If needed, set it to become “7F = FF” by pressing [CH▲or ▼ ] buttons on the service remote control unit.
- Confirm that OSD indication on the four corners on TV screen changes from on and off light indication to red by pressing a [INFO] button. (It takes one or two seconds.)
- Turn the power off by pressing main power button on the TV unit, and unplug the AC cord from the AC outlet.