Read Sharp LC-10A3E (serv.man7) Service Manual online
9
LC-10A3E
ADJUSTING PROCEDURE OF EACH SECTION
The best adjustment is made before shipping. If any position deviation is found or after part replace is performed, adjust
as follows.
as follows.
1. Preparation for Adjustments
(1)Use the exclusive-use AC adapter or stable DC power supply.
AC adapter: UADP-0225CEPZ
DC power supply: 12 ± 0.5V
DC power supply: 12 ± 0.5V
2. Special mode setting procedure
(1)Adjustment mode
[Procedure]
• Short-circuit TP2001 to GND, and turn on the power.
• Or short-circuit TP2002 to GND, and turn on the power.
• Or holding down the [TV/VIDEO] key and [MENU] key, turn on the main power, and simultaneously press the
(inspection process) [CH
"
] key and [VOL– ] key to change the mode to the adjustment mode.
• Each adjustment item is chosen with the [MENU] key, and adjusted with the [VOL] key.
[Description]
The manual adjustment or adjustment through communication with the automatic machine is performed.
(2)Inspection mode
[Procedure]
Holding down the [TV/VIDEO] key and [MENU] key, turn on the power.
[MENU] key is pushed and made inspection mode.
[Description]
• In the ordinary menu select with the [CH] key, and decide with the [VOL] key. Then select “PICTURE”, “TINT (only
NTSC)”, “COLOUR”, “BLACK LEVEL”, “SHARPNESS”, “RED-BLUE”, “GREEN” and “COLOUR SYSTEM” with the
[CH] key, and decide with the [VOL] key. After that, adjust values with the [VOL] key.
• VOLUME, PICTURE, TINT (only NTSC), COLOUR, BLACK LEVEL, SHARPNESS, RED-BLUE, GREEN change as
follows.
(3)Shipping setting mode
[Procedure]
Holding down the [TV/VIDEO] key and [MENU] key, turn on the main power, and simultaneously press the (inspection
process) [CH
'
] key and [VOL+] key to change the mode to the shipping setting mode.
[Description]
User adjustment and other values are taken as defaults.
If TV is indicated as SETTING COMPLETE, setting has been completed.
3. Cancel of special mode
Turn off the main unit power.
4. Initialization
Here is the procedure of initializing the EEPROM and making model number and size settings.
4-1. Get Pins (81) and (82) of the IC2001 (microprocessor) grounded and turn on the power.
4-2. Select a model number (A1, A2H, A2U, A3E). For Model LC-10A3E select A3E.
4-3. Select a size in inches (10, 12, 15, 20). For Model LC-10A3E select 10.
4-4. Get Pins (81) and (82) of the IC2001 (microprocessor) back to normal.
4-1. Get Pins (81) and (82) of the IC2001 (microprocessor) grounded and turn on the power.
4-2. Select a model number (A1, A2H, A2U, A3E). For Model LC-10A3E select A3E.
4-3. Select a size in inches (10, 12, 15, 20). For Model LC-10A3E select 10.
4-4. Get Pins (81) and (82) of the IC2001 (microprocessor) back to normal.
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