DOWNLOAD Sony KV-SR252M89K Service Manual ↓ Size: 5.92 MB | Pages: 78 in PDF or view online for FREE

Model
KV-SR252M89K
Pages
78
Size
5.92 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-sr252m89k.pdf
Date

Sony KV-SR252M89K Service Manual ▷ View online

– 12 –
KV-SR252M63K/M89K/N63K
RM-GA002
SECTION 3
CIRCUIT ADJUSTMENTS
3-1. ADJUSTMENT WITH COMMANDER
Service adjustments to this model can be performed using the supplied remote commander RM-GA002.
a. ENTERING SERVICE MODE
With the unit on standby
This operation sequence puts the unit into service mode.
This screen display is:
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 item.
3. Change item by pressing 
3
6
.
4. Press [MUTING] button to indicate WRITE on the screen.
5. Press 
-
 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.
  
t [DISPLAY] t 5 t [VOL $+% ] t [POWER]
Item no.
Service data
NVM
Service
Field
Channel no./
Category
in decimal
Item name
in decimal
NG
Command
Frequency
Video Input Name
GEOM
006
EWPW
031
x
SERVICE
60
S VIDEO 1
Software
Service data
Reserved
Power On Time
Release ID
Version
in binary
for factory
Color System
(decimal)
SUS01
3.50M
0001 1111
FF FF
NTSC3
65553
Status SID,
Lock, SL
:not locked
(no signal)
Status
Status BC,
Status
Status S/N
Status
Status Display
:locked
VW, IVWF
HBC
BCF
LEVEL (0-7)
GL
Area
111
11
11
1
7
11
ZZ xy 1 1 000000 000000
Status
PTW
S
:  for Sony
A
:  for AIWA
L
: BX1L Full
B
: BX1L Basic
D
: DVD Combo
U S : Taiwan/Korea/Philippines
G A : General Area
01 : Serial no. of the M / P release for each destination
1, 4
Select the adjustment item.
r
3, 6
Raise/lower the data value.
r
[MUTING]
Writes.
r
-
Executes the writing.
ZZ : DCXO Flash Value
xy
: Value of x
:
Value of y
0 - unknown
0 - Mono
1 - BTSC
1 - Stereo
2 - A2
2 - Bilingual
3 - NICAM
4 - SAP/Single
4 - KOREAN
5 - Japan
6 - AV Stereo
– 13 –
KV-SR252M63K/M89K/N63K
RM-GA002
e. OTHER FUNCTION VIA REMOTE COMMANDER
7, -
All the data becomes the values in memory.
8, -
All user control goes to the standard state.
[Display], -
Service data initialization (Be sure not to use usually.)
2, 5
Select Device or Category (Up, Down)
3-2. ADJUSTMENT METHOD
Item Number 000 HPOS
This explanation uses H POSITION as an example.
1. Select "000 HPOS" with the 
1
 and 
4
 buttons, or 
2
 and 
5
.
2. Raise/lower the data with the 
3
 and 
6
 buttons.
3. Select the optimum state. (The standard is IF 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 :-
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.
031
1111
50
NTSC3 65553
HPOS
0001
GEOM
SUS01
000
3.50M
FF FF
SERVICE
031
1111
50
NTSC3 65553
HPOS
0001
GEOM
SUS01
000
3.50M
FF FF
WRITE
031
1111
50
NTSC3 65553
HPOS
0001
GEOM
SUS01
000
3.50M
FF FF
WRITE
GREEN
GREEN
Write with [MUTING]
Write executed with - 
RED
The WRITE display
then the display
returns to green
SERVICE.
Adjusted with 3 
and 6 buttons.
– 14 –
KV
-SR252M63K/M89K/N63K
RM-GA002
Adjustment Item Table
NOTE
a) In the initial value (detailed) column, the data after the slash mark ("/") refers to NTSC model data.
 No ("/") means data is common for Multi and NTSC model.
b) Item remarked "*" and "**", please refer page 26 for the data.
c) 
 shaded items are no data.
d) Standard data listed on the Adjustment Item Table are reference values, therefore it may be different for each model and for each mode.
e) Note for the Different Data those are the standard data values written on the microprocessor. Therefore, the data values of the models are stored respectively in the memory.
In the case of a device replacement, adjustment by rewriting the data value is necessary for some items.
f) Multi ver v6.26
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X
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