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SERVICE MANUAL
MODEL COMMANDER DEST. CHASSIS NO. MODEL

BC-4A CHASSIS
COMMANDER DEST. CHASSIS NO.

KV-VF21M40 RM-956 KV-VF21M70 RM-956 KV-VF21M70 RM-956

E ME JE

SCC-P10A-A SCC-P11A-A SCC-P12A-A

KV-VF21M70 RM-956 KV-VF21M77 RM-955

HK HK

SCC-P09B-A SCC-P09A-A

EJECT

EJECT

Z

Z

PIC MODE TAPE SPEED TIMER REC G-CODE ON/OFF

PIC MODE TAPE SPEED TIMER REC G-CODE ON/OFF

zREC

INDEX . > X PAUSE

zREC

INDEX . > X PAUSE

REW m

PLAY

H
ENTER

FF M

REW m

PLAY

H
ENTER

FF M

x STOP MENU COUNTER RESET A/B

x STOP MENU COUNTER RESET GAME

t

t

GAME

1 4 7 -/-2

2 5 8 0

3 6 9 C
PROGR

1 4 7 -/-2

2 5 8 0

3 6 9 C
PROGR

RM-955

RM-956

PAL NTSC

® (VF21M77 ONLY)

Please file according to model size. ....

TRINITRON COLOR VIDEO TV
®

21

SECTION 5 CIRCUIT ADJUSTMENT
5-1. ADJUSTMENTS WITH COMMANDER
1. ENTERING SERVICE MODE 1) Turn on the main power of the set and enter into stand-by mode. 2) Press the following sequence of buttons on the Remote Control Commander. 6. WRITING "STANDARD VALUE" 1) Set to service mode. 2) When push 5 button on the remote commander green colored "INITIAL write" indicates on the screen right above. Continuing to press - button while words are displaying (about 3 seconds). Display turns to red colored "INITIAL write" then the screen become pitch-dark and select 1ch
ON SCREEN DISPLAY CH " 5 " VOLUME (+) POWER " ON " (REMOTE CONTROL POWER " ON ")
+

about 5 seconds after. Then it turns green colored "G" display. Perform writing "standard value" standard data in micro computer will write to the MEMORY and set to initialization state all. Note: When exchange only MEMORY IC002, perform "standard u value" writing in the begginning.

2. TO READ THE MEMORY 1) Set to service mode. 2) When push these buttons 7 n - on the remote commander, it would read all item's adjustment value and switch set-up value which written in the memory. Note: Do not read before "standard value" writing when exchange the MEMORY IC002. 3. PICTURE ADJUSTMENT 1) Select adjustment item number of service mode by 1 and 4 buttons on the remote commander. 2) Adjust 3 and 6 buttons to satisfy set-up value and picture condition of the screen. 4. WRITE TO THE MEMORY · After adjusted, write to the MEMORY by MUTE and buttons and push - button while green "light" word indicated on the picture display (about 3 seconds). It takes about 1 second to complete the writing to the MEMORY. When red "light" displayed turns to "G" and that makes writing completely finish. Color of the screen displayed light word. MUTE button on ..................... Green word - button on ........................... Red word 5. RELEASE THE SERVICE MODE · Turn off TV set and turn on again or turn off by the remote commander, and turn off by the remote commander again by stand-by state to disappear serivce display and set to normal TV mode.

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