Sony KF-E42A10, Service Manual

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KF-E42A10/E50A10
K
RM-GA004 RM-GA004
SECTION 3
ELECTRICAL ADJUSTMENTS
3-1. ELECTRICAL ADJUSTMENT BY REMOTE
COMMANDER
By using remote commander (RM-GA004), all circuit adjust-
ments can be made.
NOTE : Test Equipment Required.
1. Pattern Generator (with component outputs)
2. Oscilloscope
3. Digital multimeter
3-1-1. Method of Setting the Service Adjustment
Mode
1. Standby mode. (Power off)
2. DISPLAY t 5 t VOL (+) t TV POWER
on the remote commander.
(Press each button within a second.)
The following service screen will appear.
STATUS 0 SERVICE
SHUTDOWN_LOG1 0 TV MICRO
ATI : H05-01.xx
SAIPH PROGRAM : 1.xxx
BOOT : x.xxx
NVM : 1.xxx
CHIMERA PROGRAM : 1.xxx
PACK : 1.xxx
OSD : x.xxx
NVM A0 : x.xxx
NVM AC : x.xxx
NVM AE : ----
HDMI : 1.xxx
Press “JUMP” key.
QM 0 0 SERVICE
INFO DTV
Press “JUMP” key.
CONFIGRATION 00 0 SERVICE
CP18_COLOR_SYS 00 00A0 BE Micro
Press “JUMP” key.
<Digiotal Module micro>
3-1-2. Service Mode Adjustment
1. The SCREEN displays the item being adjusted.
2. Press “
1
” or “
4
” on the remote commander to select the
adjustment item.
3. Press “
3
” or “
6
” on the remote commander to change the data.
4. Press “
2
” or “
5
” on the remote commander to select the category.
Every time you press “
2
” (Category up).
5. If you want to recover the latest values press “
-
” then
“ [ENTER] ” to read the memory.
6. Press “
[MUTING]
” then “
[ENTER]
” to write into memory.
7. Turn power off.
<Method of setting the shipping condition>
1. Service Adjustment mode.
2. Press “ 8 ” then “
[ENTER]
”
3. Wait until appearing “ Initial Setup” display.
4. Disconnect AC plug and connect again to change factory re-
set condition completely.
3-1-3. Memory Write Confirmation Method
1. After adjustment, turn power off with the remote commander.
2. Turn power on and set to service mode.
3. Call the adjusted items again and confirm they were adjusted.
DISPLAY
JUMP
TV POWER
MUTING
VOL +
ENTER
RM-GA004
Adjustment item
up
Adjustment item
down
Adjustment category
up
Adjustment category
down
Data up
Data down
Initialize data
(Not stored)
User control goes
to the standerd state
(Shipping Conditions)
3-1-4. Adjusting Buttons and Indicator
<TV micro>
<BE micro>