SONY RG-3A Service Manual
SERVICE MANUAL
MODEL COMMANDER DEST. CHASSIS NO.
KP-ER43M31 RM-961 AUS SCC-P87A-A
KP-ER43M61 RM-961 GE SCC-P85A-A
KP-ER43M90 RM-961 HK SCC-P84A-A
KP-ER43M91 RM-961 ME SCC-P86A-A
RG-3A
CHASSIS
RM-961
KP-ER43M31/ER43M61
/ER43M90/ER43M91
KP-ER53M31/ER53M61
/ER53M90/ER53M91
PROJECTION TV
KP-ER43M31/M61/M90/M91, ER53M31/M61/M90/M91
RM-961
5-1-2. How to Enter Service Mode
1. Turn on the main power switch to place this set in standby
mode. (LED will light in red.)
2. Press the buttons on the commander as follows, and enter
service mode.
Enter the
“Service mode”
)
(
DISPLAY
5
(DIGIT 5) (VOLUME +)ON SCREEN
)
TV
(
STANDBY
5-1-3. Method of Cancellation from Service Mode
1. Set the standby mode (Press “ (TV STANDBY)” button
on the commander), then press “
(TV STANDBY)” but-
ton again, hereupon it becomes TV mode.
5-1-4. How to Adjustments
1. Set in the service mode, the following screen will appear.
Category Name Item Name Mode
Item No.
GEO 00 VSZ 2B SERVICE 50
0 025Q 1.4M 00 FF 0001
Data
50 : PAL, SECAM
60 : NTSC
5-1-5.How to Write the Data
1. Set in the service mode.
2. Press “1” or “4” button on the commander, select the adjustment item, and press “3” or “6” button to change the
data.
3. Press “ (MUTE)” button on the commander and it will
indicate “WRITE” on the screen.
4. Press “-” button on the commander to write into memory.
(The “WRITE” display will be changed to red color while
executing, and back to “SERVICE”.)
Commander Function (Except PJE mode)
Button Mode Description
+ - WRITE Writes data to NVM.
7 + - READ Reads data from NVM.
8 + - NORMAL All user control goes to the standard.
5 + - INITIAL Service data initialization. Not stored.
(Be sure not to use usually)
2 + - COPY Copies and writes data of DRC1250
(50Hz) mode to all other modes.
+ - WRT5060 Copies data of 50 Hz (PAL) mode to
60 Hz (NTSC) mode.
Suffix No.
Software
Version
Total Power On time
(Hours)
2. Press “1” or “4” button on the commander to select the
adjustment item.
3. Press “3” or “6” button on the commander to change the
adjustment data.
4. Move “
When move “
” up or down to select the adjustment category.
” up (category up), service mode changes in
the order as shown below.
GEO
DAC
WHB
SAJ
JGL
YCT
SYC
AP
MSP
LTI
MID
3CM
2CM
DSP
TXT
PJE*
OPM
OPB
Note : Before changing to other modes, press “ (MUTE)” +
“-” buttons on the commander to write the data.
(Omission of this operation causes the data to be returned
to the data before adjustment.)
: Confirm the adjustment mode before writing data for data
values because to vary in each adjustment mode.
: The adjustment item that there are no relations in the ad-
justment is not to change data values because all items are
written in each adjustment mode.
5-1-6.Memory Write Confirmation Method
1. After adjustment, pull put the plug from AC outlet, and then
plug into AC outlet again.
2. Turn the power switch ON and set in service mode.
3. Call the adjustment items again to confirm adjustments were
made.
* : When it moves from PJE to other categrys,
repeat 1 or 4 button and press it.
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