Circuit Adjustments; Electrical Adjustments - Sony FD Trinitron KV-28DS65U Service Manual

4-1. ELECTRICAL ADJUSTMENTS

Service adjustments to this model can be performed
using the supplied Remote Commander RM-891.
HOW TO ENTER INTO SERVICE MODE
1. Turn on the main power switch of the set while pressing the
– +
PROG + and PROG - buttons on the top panel.
2. 'TT--' will appear in the upper right corner of the
screen.
Other status information will also be displayed.
3. Press 'MENU' 'MENU' on the remote commander to obtain
the following menu on the screen.
DEVICES
Init TV
Sound
Feature Box
Deflect Cont.
Deflect Cont.Subadjust
MCP
Col.Dec.Main
DA
Line 23 Detection
Sub Adjust
Port Expander
4. Move to the corresponding adjustment item by pushing the
OK button up or down.
5. Push the OK button to the right to enter into the required
adjustment.
6. Press the 'Menu' button and '00' on the Remote Commander
to quit the Service Mode when all adjustments have been
completed.
Defl.Cont. SDA9361
1 V SIZE
2 V POSITION
3 V LINEARITY
4 S CORRECTION
5 H SIZE
6 PIN AMP
7 UPPER CORNER PIN
8 LOWER CORNER PIN
9 V BOW
10 PIN PHASE
11 V ANGLE
SECTION 4

CIRCUIT ADJUSTMENTS

PROGR
– +
CONTROL
MSP3410D
S87654
SDA9361
CXA2101
TDA9144
SDA9280
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
CENTRE ADJUSTMENT FOR 4:3 MODE
1. Input a Sony special pattern.
2. Switch the TV into Analogue 4:3 mode.
3. Enter into the service menu by pressing 'TEST' 'TEST' and
'MENU' 'MENU' on the remote commander.
4. Select 'DA SDA9280' from the 'Devices' menu.
5. The 'DA SDA9280' menu will appear on screen.
6. Adjust '29 BCKPOS' so that the picture is in the centre of the
screen.
CENTRE ADJUSTMENT FOR DIGITAL MODE
1. Input a Digital test pattern.
2. Switch the TV into Digital mode.
3. Enter into the service menu by pressing 'TEST' 'TEST' and
'MENU' 'MENU' on the remote commander.
4. Select 'Deflect.Cont SDA9361' from the 'Devices' menu.
5. The 'Deflect.Cont SDA9361' menu will appear on screen.
6. Adjust '48 INT H PHASE' so that the picture is in the centre
of the screen.
7. Adjust item 1 V size and item 2 V position so that the picture
is in the centre of the screen.
1 Int 444
2 Int 422
3 Incodc
4 Incodl
5 Infor
6 Insneg
7 Trawid
8 Thresh
9 VinV
10 UinV
11 Cgrres
12 Cgr
13 Ydel1
14 YinV
15 Ygrres
16 Ygr
17 Bcof
18 Lcof
19 Hcof
20 Phacom
21 Cor
22 Comex
23 Comp
24 Readd
25 Ovsamp
26 Ovfilt
27 Backgr
28 Hsdel
29 Bckpos
29
DA SDA9280
ON
ON
ON
OFF
1
ON
7
11
Dependant on analogue or digital
Dependant on analogue or digital
0
OFF
Dependant on analogue or digital
OFF
0
OFF
Dependant on analogue or digital
Dependant on analogue or digital
Dependant on analogue or digital
2
ON
OFF
OFF
0
ON
ON
OFF
2
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