Panel Voltage Adjustment; Remote Adjustment Buttons And Indicators - Sony KE-42M1 Service Manual

2-4. PANEL VOLTAGE ADJUSTMENT

Note: Panel Voltage Adjustment must be performed whenever the panel
or the G2 Board is replaced.
1. Connect All White Video Signal to Video Input.
2. Adjust the following variable resistors:
Adjust the voltage of each part to the value specifi ed in the right
column.
Volume
RV6825 CN6109(5pin) VA
RV6854 CN6112(1pin) VSCAN
RV6504 CN6112(6pin) VS
RV6847 CN6112(8pin) VSET
RV6835 CN6111(10pin) VE
VIDEO NTSC3.58MHz 100% All White Signal
Voltage Specifi cation
Part
VA Refer to the rear panel seal ±0.3V
VSCAN Refer to the rear panel seal ±0.3V
VS Refer to the rear panel seal ±0.3V
VSET Refer to the rear panel seal ±0.3V
VE Refer to the rear panel seal ±0.3V
Use an adjacent test pin for GND.
Video Signal Source
Reference Value
Part
VA
VSCAN
VS
VSET
VE
KE-42M1
Part Test Pin
TP6102
TP6103
TP6108
TP6105
TP6107
Specification
Ref. Voltage
70V
-70V
175V
173V
165V
2-5. REMOTE ADJUSTMENT BUTTONS AND
INDICATORS
MUTING
MUTING
(Enter into
memory)
PICTURE WIDE
1
Disp. (Item up)
2
(Device Item Up)
FREEZE
4
TOP MENU
Disp. (Item down)
8
(Initialize)
TV VIDEO 1/2/3 VIDEO 4 VIDEO 5
RESET PIC OFF MTS/SAP
VOLUME (+)
(Service Mode)
FUNCTION OF KEYS ON COMMANDER
• 1 : Changes adjustment item.
(item No. moves up)
• 4 : Changes adjustment item.
(item No. moves down)
• 2 : Changes adjustment category.
(category moves up)
• 5 : Changes adjustment category.
(category moves down)
• 3 : Changes data value. (up)
• 6 : Changes data value. (down)
Commander Function
Button Mode
MUTING + ENTER WRITE
0 + ENTER READ
8 + ENTER RESET
POWER
DVD/ SAT/ POWER
VCR CABLE
(Service Mode)
DISPLAY
MODE
SLEEP DISPLAY
(Service Mode)
3
Item
(Data up)
6
Item
(Data down)
FAVORITES MENU
5
(Device item
down)
ENTER
(Enter into
memory)
0
F1
(Remove from
F2
memory)
GUIDE TV/SAT
RM-Y1003
Description
Writes data to NVM.
Reads data from NVM.
Set the shipping condition.
(Be sure not to use usually)
KE-42M1
15