KE-42M1 (serv.man2) - Sony TV Service Manual (repair manual). Page 14

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15
KE-42M1
KE-42M1
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.
TP6105
TP6107
RV6825
RV6854
RV6504
Test Pin
TP6102
TP6103
TP6108
RV6847
RV6835
Part
CN6109(5pin)  VA
CN6112(1pin)  VSCAN
CN6112(6pin)  VS 
CN6112(8pin)  VSET
CN6111(10pin) VE
Volume
VIDEO NTSC3.58MHz 100% All White Signal
Voltage Specifi cation
Refer to the rear panel seal ±0.3V
Refer to the rear panel seal ±0.3V
VSET
VE
VSCAN
VS
Specification
Refer to the rear panel seal ±0.3V
Refer to the rear panel seal ±0.3V
Refer to the rear panel seal ±0.3V
Part
VA
Use an adjacent test pin for GND.
Video Signal Source
Reference Value
VSET
VE
Ref. Voltage
70V
-70V
175V
173V
165V
Part
VA
VSCAN
VS
2-5.  REMOTE ADJUSTMENT BUTTONS AND 
INDICATORS
MUTING
PICTURE WIDE
FAVORITES
TV VIDEO 1/2/3 VIDEO 4 VIDEO 5
F1
F2
MENU
SLEEP DISPLAY
MODE
SAT/
CABLE
POWER
FREEZE
TOP MENU
RESET PIC OFF MTS/SAP
GUIDE
TV/SAT
DVD/
VCR
VOLUME (+)
(Service Mode)
6
Item 
(Data down)
ENTER
(Enter into 
memory)
0
(Remove from 
memory)
3
Item 
(Data up)
RM-Y1003
5
(Device item 
down)
MUTING
(Enter into 
memory)
1
Disp. (Item up)
2
(Device Item Up)
4
Disp. (Item down)
8
(Initialize)
DISPLAY
(Service Mode)
POWER
(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       Description
 MUTING  +  ENTER    WRITE      Writes data to NVM.
0  +  ENTER     READ       Reads data from NVM.
8  +  ENTER    RESET      Set the shipping condition. 
(Be sure not to use usually)
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