Sony KV-28DS65U Service Manual ▷ View online
29
SECTION 4
CIRCUIT ADJUSTMENTS
4-1. ELECTRICAL ADJUSTMENTS
Service adjustments to this model can be performed
using the supplied Remote Commander RM-891.
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.
screen.
Other status information will also be displayed.
3.
Press ‘MENU’ ‘MENU’ on the remote commander to obtain
the following menu on the screen.
the following menu on the screen.
4.
Move to the corresponding adjustment item by pushing the
OK button up or down.
OK button up or down.
5.
Push the OK button to the right to enter into the required
adjustment.
adjustment.
6.
Press the ‘Menu’ button and ‘00’ on the Remote Commander
to quit the Service Mode when all adjustments have been
completed.
to quit the Service Mode when all adjustments have been
completed.
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.
‘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.
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.
‘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.
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.
is in the centre of the screen.
DEVICES
Init TV
Sound
MSP3410D
Feature Box
S87654
Deflect Cont.
SDA9361
Deflect Cont.Subadjust
MCP
CXA2101
Col.Dec.Main
TDA9144
DA
SDA9280
Line 23 Detection
Sub Adjust
Port Expander
Defl.Cont. SDA9361
1
V SIZE
ADJ
2
V POSITION
ADJ
3
V LINEARITY
ADJ
4
S CORRECTION
ADJ
5
H SIZE
ADJ
6
PIN AMP
ADJ
7
UPPER CORNER PIN
ADJ
8
LOWER CORNER PIN
ADJ
9
V BOW
ADJ
10
PIN PHASE
ADJ
11
V ANGLE
ADJ
DA SDA9280
1
Int 444
ON
2
Int 422
ON
3
Incodc
ON
4
Incodl
OFF
5
Infor
1
6
Insneg
ON
7
Trawid
7
8
Thresh
11
9
VinV
Dependant on analogue or digital
10
UinV
Dependant on analogue or digital
11
Cgrres
0
12
Cgr
OFF
13
Ydel1
Dependant on analogue or digital
14
YinV
OFF
15
Ygrres
0
16
Ygr
OFF
17
Bcof
Dependant on analogue or digital
18
Lcof
Dependant on analogue or digital
19
Hcof
Dependant on analogue or digital
20
Phacom
2
21
Cor
ON
22
Comex
OFF
23
Comp
OFF
24
Readd
0
25
Ovsamp
ON
26
Ovfilt
ON
27
Backgr
OFF
28
Hsdel
2
29
Bckpos
191
+
–
+
–
PROGR
CONTROL
30
DEFLECTION ADJUSTMENT FOR WIDE MODE
1.
Input an Phillips pattern.
2.
Switch the TV into wide mode.
3.
Enter into the service menu by pressing ‘TEST’ ‘TEST’ and
‘MENU’ ‘MENU’ on the remote commander.
‘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.
Select and adjust each item to obtain optimum image.
7.
Return to the ‘Devices’ menu.
8.
Select the ‘Sub Adjust’ menu.
9.
Select and adjust each item to obtain optimum image.
10. Repeat above steps in Digital mode.
DEFLECTION ADJUSTMENT FOR SMART MODE
1.
Input a Phillips pattern.
2.
Switch the TV into smart mode.
3.
Enter into the service menu by pressing ‘TEST’ ‘TEST’ and
‘MENU’ ‘MENU’ on the remote commander.
‘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.
Select and adjust each item to obtain optimum image.
7.
Return to the ‘Devices’ menu.
8.
Select the ‘Deflect cont.Subadjust’ menu.
9.
Select and adjust each item to obtain optimum image.
10. Return to the ‘Devices’ menu.
11. Select the ‘Subadjust’ menu.
12. Select and adjust each item to obtain optimum image.
13. Repeat above steps in Digital mode.
11. Select the ‘Subadjust’ menu.
12. Select and adjust each item to obtain optimum image.
13. Repeat above steps in Digital mode.
Defl.Cont. SDA9361
1
V SIZE
ADJ
2
V POSITION
ADJ
3
V LINEARITY
ADJ
4
S CORRECTION
ADJ
5
H SIZE
ADJ
6
PIN AMP
ADJ
7
UPPER CORNER PIN
ADJ
8
LOWER CORNER PIN
ADJ
9
V BOW
ADJ
10
PIN PHASE
ADJ
11
V ANGLE
ADJ
SUB ADJUSTMENT
1
RGB Level
8
2
Menue/Text H-pos
-2
3
Extra Framing Window
255
4
4/3 Center
DEFLECTION CONTR.SUBADJUST
1
SMART V SIZE
54
2
SMART V POSITION
220
3
SMART V LINEARITY
215
4
SMART S CORRECTION
236
5
SMART H SIZE
80
6
SMART PIN AMP
217
7
SMART UPPER CORNER PIN
17
8
SMART LOWER CORNER PIN
189
9
SMART V BOW
243
10
SMART PIN PHASE
202
11
SMART V ANGLE
5
V SIZE
V LIN
S CORRECTION
V CENTRE
H CENTRE
H SIZE
PIN AMP
PIN PHASE
CORNER PIN
V ANGLE
31
4-2. TEST MODE 2:
00
Cancel Test mode
01
Picture maximum - Colour Minimum
02
Direct Access to Noise Reduction
03
Volume 35%
04
Display Service Menu in Service mode
05
Display Service Menu in Production mode
06
Volume 80%
07
Ageing mode On/Off
08
Set shipping conditions
09
No function
10
TT number will be deleted
11
No function
12
Sub Colour Adjustment
13
Display software version and TV configuration
14
Production Info Display
15
Read factory setting
16
Save Last Power Memory data
17
Label AV sources
18
Level 2.5 Text Feature on/off
19
Set volume to 50%
20
TT number will be deleted
21
Picture Rotation
22
Operating Timer and Error monitor display
23
Status menu display
24
Direct access to sub colour
25
Status menu display
26
Text character set
27
Text character set
28
Text character set
29
Text character set
30
TT number will be deleted
31
Geometry adjustment 1
32
Geometry adjustment 2
33
No function
34
Reset NVM
35
Disable/Enable picture blanking
36
No function
37
Phillips Bug switch
38
Fast Helper switch
39
Reset Programme Table
40
TT number will be deleted
41
Screen Mode check
42
Auto-shut-off
43
NVM Map
44
Sub-Brightness Adjustment
45
No function
46
IR Channel Presetting Mode
47
Headphone Source Selection
48
Speaker Source Selection
49
EEPROM Testbyte is erased
50
TT number will be deleted
51
Strobe mode test
52
Reserved for uCon internal Test
53
Dynamic picture (AI) check
54
Velocity Modulation (VM) check
55
MTX Slicer Control
56
MTX Slicer Control
57
Megatext Service Menu
58
MTX Small Framing Code Window
59
MTX Wide Framing Code Window
60
TT number will be deleted
61
Sound default
62
No function
63
No function
64
Reset IIC Slave Commands
65
Reset Error Codes
66
No function
67
Headphone Volume
68
Ignore Errors
69
Reset Ignore Errors
70
TT number will be deleted
71
No function
72
NVM Subadjustment default
73
Clear programs
74
NVM Port-Expander default
75
No function
76
NVM default data
77
NVM D/A converter default
78
No function
79
No function
80
TT number will be deleted
81
NVM feature box default
82
No function
83
No function
Is available by pressing ‘TEST’ button twice, OSD ‘TT’ appears. The functions described below are available by pressing the two numbers. To
release the Test mode 2, press 0 twice, or switch the TV into stand-by mode, or press the
release the Test mode 2, press 0 twice, or switch the TV into stand-by mode, or press the
TV button on the remote commander.
32
84
NVM MCP default
85
NVM main colour decoder default
86
Display BER
87
No function
88
Text character set Russian/East
89
Text character set Russian/West with ESC
90
TT number will be deleted
91
Dolby Mode Normal
92
ASIC-Version
93
NVM MCP subadjustment default
94
Noise Sequencer Left
95
Noise Sequencer Center
96
Noise Sequencer Right
97
Noise Sequencer Surround
98
Surround Mode off
99
Dolby Mode Phantom
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