Electrical Adjustments - Sony XAV-601BT Service Manual

XAV-601BT
MONITOR SECTION
If any of the following parts was replaced, execute the "Flicker
Adjustment" as mentioned below.
• Liquid crystal display panel (LCD1)
• Complete DISP board
1. SETTINGS
1-1. Tools and measuring devices for adjustment
Note: This adjustment can be operated even if it is remote commander
which is not attached remote commander.
Tools and measuring devices
PC
(The one with serial port. The USB-
RS232C conversion is available.)
Communication software
(Hyper Terminal etc.)
Serial cable for RS232C
(Cross cable)
RS232-JIG OVERALL ASSY
(Part No. A-1777-380-A)
RS232-JIG OVERALL ASSY
1-2. Serial port setting
Please setting it as follows.
1-3. Connection with unit
Procedure:
1. Remove cover referring to "3. DISASSEMBLY (Page 17 to
29)".
30
SECTION 4

ELECTRICAL ADJUSTMENTS

Item used
Flicker adjustment
2. Insert the 5pin cable into the connector of the MAIN board
(CN501).
Note: Connect 5pin cable after removing the front panel block and DVD
mechanism deck referring to "3. DISASSEMBLY (Page 17 to 29)".
– MAIN Board (Component Side) –
Insert the
5 pin cable of
RS-232C jig
CN501
3. The switch of RS232-JIG OVERALL ASSY is "L".
H L
4. The communication software is start up.
5. Turn on the main power of unit.
The following log is displayed when starting while connected.
------ Test Mode 5 : HyperTerminal Start ------
Techwell Mode :
Data Read Format for Current Page: 'r 5AB1'+[Enter]
Data Write Format for Current Page: 'w C4D3 03'+[En-
ter]
DAC Mode:0-vcom1_bias/1-vcom2_bias/2-vcom1_p/3-vcom2_p
Data Read Format : 'drn'+ [Enter]
Data Write Format: 'dwn 7D'+ [Enter]
Back Light Mode :
BCKL Read Format : 'drb'+ [Enter]
BCKL Write Format: 'dwb 7D'+ [Enter]
Flash Write
Save Data to Flash : 'ds'+ [Enter]
Clear Flash Data : 'dc'+ [Enter]
To Enter Test Mode : 'ti'
To Exit Test Mode : 'to'
To View Command ver: 'svc'
=========== LINK OK ===========
CN501
CN501