SONY BG-2T Service Manual
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SERVICE MANUAL |
BG2T CHASSIS |
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MODEL |
COMMANDER DEST. |
CHASSIS NO. |
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MODEL |
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COMMANDER DEST. CHASSIS NO. |
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KV-HA14L80 RM-969 ME |
SCC-U67H-A |
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1 2 3
4 5 6
7 8 9
-0 JUMP
SOUND |
2 |
PROGR |
MODE |
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SPACE
SOUND
TV
TRINITRON ® COLOR TV
KV-HA14L80/HA14P50
RM-969
SECTION 4
CIRCUIT ADJUSTMENTS
4-1. ADJUSTMENT WITH COMMANDER
Service adjustments to this model can be performed using the supplied Remote Commander RM-969
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 :
Item
Adjustment
Item No |
Data |
Mode Depends on signal |
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00 HPS
080S 1.6C (KV-HA14L80) 
085S (KV-HA14P50)
Software version
Suffix No
(OEM Code)
33 SERVICE |
50 |
00 000A
PAL,SECAM:50
NTSC :60
Total Power-On time (hours)
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.
1, 4 Select the adjustment item.
↓
3, 6 Raise/lower the data value.
↓
[MUTING] |
Writes. |
↓ |
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-Executes the writing.
e.OTHER FUNCTION VIA REMOTE COMMANDER
7, - All the data becomes the values in memory.
8, - All user control goes to the standard state.
5, - Service data initialization (Be sure not to use usually.)
2, - Copy and write all data.
[MUTE], - Write 50Hz adjustment data to 60Hz or vice versa.
4-2. ADJUSTMENT METHOD
Item Number 00 HPS
This explanation uses H Shift as an example.
1.Select “00 HPS” with the 1and 4buttons.
2.Raise/lower the data with the 3and 6buttons.
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 :-
00 HPS 33 SERVICE 50
GREEN
Adjusted with [3] and [6] buttons.
00 |
HPS |
33 |
WRITE |
50 |
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GREEN |
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Write with [MUTING] |
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00 |
HPS |
33 |
WRITE |
50 |
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RED |
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The WRITE display |
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then the display |
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Write executed with [0] |
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returns to green |
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SERVICE |
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Use the same method for all Items. Use 1and 4to select the adjustment item, use 3and 6to 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.
– 18 –
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