Circuit Adjustments; Adjustment With Commander - Sony TRINITRON KV-SZ252M50 Service Manual

KV-SZ252M50/M61/M81/N50/N60

4-1. 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
t [DISPLAY] t 5 t [VOL $+% ] t [POWER]
This operation sequence puts the unit into service mode.
This screen display is:
Item no.
Category in decimal
GEOM 006
Software
Release ID Version
NT01 3.50M
Status SID,
Lock, SL
:not locked
(no signal)
:locked VW, IVWF
111
S : for Sony
A : for AIWA
L : BX1L Full
B : BX1L Basic
D : DVD Combo
N T : Taiwan/Korea/Philippines
G A : General Area
01 : Serial no. of the M / P release for each destination
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 (UP) and
1
3. Change item by pressing
4. Press [MUTING] button to indicate WRITE on the screen.
5. Press button to write into memory.
-
1, 4
r
3, 6
r
[MUTING]
r
-
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.
RM-GA002

CIRCUIT ADJUSTMENTS

Service data
Item name in decimal
EWPW
Service data
in binary
0001 1111
Status Status BC,
HBC
11 11
(DOWN), to select the adjustment item.
4
, .
3 6
Select the adjustment item.
Raise/lower the data value.
Writes.
Executes the writing.
SECTION 4
NVM Service
NG Command
031 x SERVICE
Reserved
for factory Color System
FF FF NTSC3
Status Status S/N
BCF LEVEL (0-7)
1 7
– 18 –
Field
Frequency Video Input Name
60
Power On Time
(decimal)
65553
Status Status Display
GL Area
11 ZZ xy 1 1 000000 000000
Status
PTW
ZZ : DCXO Flash Value
xy : Value of x :
0 - unknown
1 - BTSC
2 - A2
3 - NICAM
4 - KOREAN
5 - Japan
6 - AV Stereo
Channel no./
S VIDEO 1
Value of y
0 - Mono
1 - Stereo
2 - Bilingual
4 - SAP/Single