SONY RA-3A Service Manual

SERVICE MANUAL
RA-3A
CHASSIS
MODEL COMMANDER DEST. CHASSIS NO.
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KP-XR432K90 RM-Y906KKorean SCC-P50D-A
MODEL COMMANDER DEST. CHASSIS NO.
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DVD/
POWER
MUTING
SAT/
VTR
CABLE
TV
FUNCTION
SYSTEM
OFF
DVD/VTR SAT/CABLE
TV
TV/VTR
FREEZE
SWAP PIP
m
N
M
AUDIO
POSITION ACTIVE
X
xz
ANT
TV/VIDEO
SLEEP
PICTURE
CC
MODE
DISPLAYMTS/SAP
2
1
3
5
6
4
8
7
9
JUMP
ENTER
0
INDEX
GUIDE
RESET
MENU
VOL CH
CODE SET
TV
RM-Y906/Y906K
KP-XR432K90/432N90
KP-XR432K90/XR432N90
2 5 8 0
1 4 7
3 6 9
ENTER
JUMP
GUIDE
INDEX
RESET
MENU
POWER
MUTING
FREEZE
AUDIO
ANT
TV/VIDEO
DISPLAYMTS/SAP
CC
PICTURE
MODE
POSITION ACTIVE
SWAP PIP
TV/VTR
SYSTEM
OFF
DVD/VTR SAT/CABLE
TV
DVD/
VTR
SAT/
CABLE
FUNCTION
SLEEP
m
N
M
xz
X
TV
RM-Y906K RM-Y906
3-9. ELECTRICAL ADJUSTMENT BY REMOTE
COMMANDER
By using Remote Commander (RM-Y906/Y906K),all circuit adjustments can be made.
NOTE : Test Equipment Required.
1. Pattern Generator (with component outputs)
2. Frequency counter
3. Digital multimeter
4. Audio oscillator
1. METHOD OF SETTING THE SER VICE ADJUSTMENT MODE
SERVICE MODE PROCEDURE
1. Standby mode. (Power off)
2. DISPLAY n 5 n VOL (+) n TV POWER on the Remote Commander. (Press each button within a second.)
SERVICE MODE ADJUSTMENT
Category Adjustment item
DATA
SERVICE VPNT VPOS 031 000000 00
7. If you want to recover the latest values press - then [ENTER] to read the memory.
8. Press [MUTING] then [ENTER] to write into memory.
9. Turn power off.
Note: Press 8 then [ENTER] on the Remote Commander to initialize
or turn set off and on to exit.
2. MEMORY WRITE CONFIRMATION METHOD
1. After adjustment, remove the plug from AC outlet, and then replace the plug in AC outlet again.
2. Turn the power switch ON and set to Service Mode.
3. Call the adjusted items again and confirm they were adjusted.
3. ADJUSTING BUTTONS AND INDICATOR
TV POWER ON
MUTING
(SCREEN DISPLAY)
3. The SCREEN displays the item being adjusted.
4. Press 1 or 4 on the Remote Commander to select the adjustment item.
5. Press 3 or 6 on the Remote Commander to change the data.
6. Press 2 or 5 on the Remote Commander to select the category. Every time you press 2(Category up), Service mode changes in the order as shown below.
VPNT VPNV VPNS
PJE 3DCM TONE
DSP
MC
SC
IC
PP
DAC
PI
ID
CCD
OP
Category up
Adjustment item up
Adjustment item down
VOL (+)
RM-Y906/Y906K
Note : When the PJE mode is activated, which displays an
internally generated signal, several buttons on the remote commander will have different functions than listed above. Therefore, when in the PJE mode, refer to page 17 for button functions.
DISPLAY
Data up
Data down
Category down
ENTER
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