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SERVICE MANUAL
MODEL COMMANDER DEST. CHASSIS NO. MODEL
BG3R CHASSIS
COMMANDER DEST. CHASSIS NO.
KV-AR25M61
RM-995 GE
SCC-U52G-A
TRINITRON ® COLOR TV
KV-AR25M61
RM-995
SECTION 4 CIRCUIT ADJUSTMENTS
4-1. ADJUSTMENTS WITH COMMANDER
Service adjustments to this model can be performed using the supplied Remote Commander RM-995.
4-2. ADJUSTMENT METHOD
Item Number 00 of device GEO This explanation uses H-Position as an example. 1. Select "GEO 00 HPS" with the 1 and 4 buttons. 2. Raise/lower the data with the 3 and 6 buttons. 3. Select the optimum state. (The standard is 1F for PAL reception.) 4. Write with the [MUTING] button. (The display changes to WRITE.) 5. Execute the writing with the - button. (The WRITE display will be changed to red color while excuting, and back to SERVICE.) Example on screen display :-
a. ENTERING SERVICE MODE With the unit on standby
n [DISPLAY] n 5 n VOL (+) n [POWER]
This operation sequence puts the unit into service mode. The screen display is :
Device Name Item Name Item No Data Marking of new NVM Mode
GEO 602S
00 1.0C
HPS 59
1C 7F
p 0
SERVICE 000A
50
GEO 00 HPS 59 1F 7F SERVICE 50 0 000A
GREEN Adjusted with 3 and 6 buttons.
PAL,SECAM:50 NTSC :60
602S 1.0C
Suffix No (OEM Code) Software version
Total Power-On time (hours)
GEO 00 HPS 59 1F 7F WRITE 0 50 000A
GREEN
b. METHOD OF CANCELLATION FROM SERVICE MODE Set the standby condition (Press [POWER] button on the commander), then press [POWER] button again, hereupon it becomes TV mode. c. METHOD OF WRITE INTO MEMORY 1) Set to Service Mode. 2) Press [1] (UP) and [4] (DOWN), to select the adjustment. 4) Press [MUTING] button to indicate WRITE on the screen. 5) Press [0] button to write into memory. d. MEMORY WRITE CONFIRMATION METHOD 1) After adjustment, pull out the plug from AC outlet, and then plug into AC outlet again. 2) Turn the power switch ON and set to Service Mode. 3) Call the adjusted items again to confirm adjustments were made.
602S 1.0C
Write with [MUTING]
GEO
00
HPS 59
1F 7F
WRITE 0
50 000A
602S 1.0C
Write executed with -
RED The WRITE display then the display returns to green SERVICE.
Use the same method for all Items. Use 1 and 4 to select the adjustment item, use 3 and 6 to adjust, write with [MUTING], then execute the write with -. Note : 1. In [WRITE], the data for all items are written into memory together. 2. For adjustment items that have different standard data between 50Hz or 60Hz, be sure to use the respective input signal after adjustment.
1, 4 3, 6
Select the adjustment item. Raise/lower the data value. Writes. Executes the writing. All the data becomes the values in memory. All user control goes to the standard state. Service data initialization (Be sure not to use usually.) Write 50Hz adjustment data to 60Hz, or vice versa. Copy and write all data.
[MUTING]
7, 8, 5, -
[MUTING], 2, -
16