Sony FD Trinitron KV-29FX30B User manual

1
SERVICE MANUAL FE-2 CHASSIS
MODEL COMMANDER DEST CHASSIS NO. MODEL COMMANDER DEST CHASSIS NO.
RM-889
KV-29FX30B RM-887 FR SCC-Q54J-A
KV-29FX30E RM-887 ESP SCC-Q53K-A
KV-29FX30K RM-887 OIRT SCC-Q51L-A

20
Sub Brightness Adjustment
1. Input a Monoscope pattern.
2. Press ‘TEST’ ‘TEST’ 13 on the Remote Commander.
3. Adjust the ‘Sub-Brightness’ data so that there is barely a
difference between the 0 IRE and 10 IRE signal levels.
1. Input a video signal that contains a small 100% white area on a
black background.
2. Connect an digital voltmeter to Pin 10 of J701 [C Board].
3. Adjust the Sub-Contrast [‘TT11’] to obtain a voltage of
105 +/- 5V (KV-29FX30) or 96 +/-5V (KV-25FX30).
Sub Contrast Adjustment
4-1. Electrical Adjustments
Service adjustments to this model can be performed using the
suppliedemote Commander RM-887.
‘TT—’ will appear in the upper right corner of the screen.
Other status information will also be displayed.
3. Press ‘MENU’ on the remote commander to obtain the following
menu on the screen.
4. Move to the corresponding adjustment item using the
up or down arrow buttons on the Remote Commander.
5. Press the right arrow button to enter into the required menu item.
6. Press the ‘Menu’ button on the Remote Commander to quit the
Service Mode when all adjustments have been completed.
Note :
•Before performing any adjustments ensure that the correct model
has been selected in the ‘Model Setting’ menu.
•After carrying out the service adjustments, to prevent the
customer
accessing the ‘Service Menu’ switch the TV set OFF and then
ON.
i+
5+
(ON SCREEN (DIGIT 5) (VOLUME +) (TV)
DISPLAY)
SECTION 4 CIRCUIT ADJUSTMENTS
How to enter into the Service Mode
TSUJDAFI
tsujdACGA
etumotuA
niaGoiduA
gnitaGL
)51+,61-(0+
1
0
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G1143PSM:eciveDPSM
ECIVRES
R-tesffO
G-tesffO
evirD-R
evirD-G
evirD-B
qerF-kaeP
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0CS
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thgirbuS
locbuS
prahsbuS
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DSOrB
TXTrB
)36,0(
)36,0(
)36,0(
)36,0(
)36,0(
)3,0(
)51,0(
)3,0(
)51,0(
)51,0(
)36,0(
)36,0(
)36,0(
)36,0(
)51,0(
)51,0(
jdA
jdA
52
jdA
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0
8
2
51
4
13
jdA
13
06
01
9
YRTEMOEG
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llorcS-V
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32
04
1. Turn on the main power switch and enter into the stand-by mode.
2. Press the following sequence of buttons on the Remote
Commander.
UNEMRORRE
20E
30E
40E
50E
60E
70E
80E
90E
01E
11E
EMITGNIKROW
SRUOH
SETUNIM
PCO
A/NPVO
CNYSV
RKI
CII
MVN
ELGNUJ
RENUT
PDNUOS
V8
)552,0(
)552,0(
)552,0(
)552,0(
)552,0(
)552,0(
)552,0(
)552,0(
)552,0(
)552,0(
0
0
0
0
0
0
0
0
0
0
2
11

21
Sub Colour Adjustment
1. Receive a PAL colour bar signal.
2. Connect an oscilloscope to Pin 5 of CN003 [A Board].
3. Enter into the ‘Service’ service menu.
4. Adjust the ‘Sub Colour’ data so that the Cyan, Magenta and
Blue colour bars are of equal levels as indicated below.
Same Level
B-Out Waveform
Tuner AGC Adjustment
Note:
There should be no need to adjust theAGC as this is pre-
adjusted during manufacture of the FRONTEND. If the AGC
does need adjustment then follow steps 1. to 4. below.
1. Receive a signal of 62dBuV / 75 ohm terminated via the tuner
antennasocket.
2. Connect a voltmeter to pin1 of TU101 [print side ofA Board]
or to the AGC pin of CN001 [mount side ofA Board].
3. Confirm that theAGC voltage is 3.5volts +/- 0.3volts.
4. If adjustment is required, then re-adjust theAGC variable
resistor (located at the top rear of the FRONTEND) to obtain
a voltage of 3.5V +/- 0.3V.
1. Enter into the ‘Geometry’ service menu.
2. Select and adjust each item in order to obtain the optimum image.
[ Print side of A board ]
Deflection System Adjustment
V SIZE
V LIN
S CORRECTION
V CENTRE
H CENTRE
H SIZE
PIN AMP
PIN PHASE
CORNER PIN
V ANGLE
YRTEMOEG
ytiraeniL-V
llorcS-V
klBH-tfeL
klBH-thgiR
elgnA-V
woB-V
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32
04

22
4-2.TEST MODE 1:
Test Mode 2 is available by pressing the ‘TEST’ button twice, OSD
‘TT’ appears. The functions described below are available by
selecting the two numbers.To release the ‘Test mode 2’, press 00, 10,
20 ... twice or switch the TV set into Stand-by mode. In ‘TT Menu’
mode, it is possible to remove the Menu from the screen by pressing
the Speaker Off button once. Pressing the Speaker OFF button a
second time will cause the Menu to reappear. The function is kept
even when the menu is not displayed on screen !!.
Test Mode 1 is available by pressing the ‘TEST’ button once, OSD
‘T’ appears. The functions described below are available by selecting
theindicated keys. The ‘T’is released automatically aftereach
command is executed.
4-3.TEST MODE 2:
YEK NOITCNUFEDOM-T
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hsineerg-euhhsineerg-euh
prahs-ssenprahsmumixamssenprahs
tfos-ssenprahsmuminimssenprahs
tfelecnalabtfelllufecnalab
thgirecnalabthgirllufecnalab
puelbertmumixamelbert
nwodelbertmuminimelbert
pussabmumixamssab
nwodssabmuminimssab
00 ffoedom'TT'
10 mumixamerutciP
20 muminimerutciP
30 %53otemuloVenohpdaeh/rekaepsteS
40 %05otemuloVenohpdaeh/rekaepsteS
50 %56otemuloVenohpdaeh/rekaepsteS
60 %08otemuloVenohpdaeh/rekaepsteS
70 edomgniegA
80 noitidnoCgnippihS
11 tnemtsujdaerutcipbuS
21 tnemtsujdaruolocbuS
31 tnemtsujdassenthgirBbuS
41 tnemtsujdanoitisoPHtxeT
51 tseTlioCnoitatoR
61 %05levelerutciP
91 elbasiD/elbanEedoMyrotcaF
12 RKEDAnoitanitseD
22 LBnoitanitseD
32 RKEDAnoitanitseD
42 UnoitanitseD
52 RKEDAnoitanitseD
62 LBnoitanitseD
72 RKEDAnoitanitseD
82 RKEDAnoitanitseD
13 elbasiD/elbanEffotuhSotuA
33 FFO/NOnoitatoR
53 sutatsVTyalpsiD;9:61><3:4TRC
63 tsetNO/FFO)MV(noitaludoMyticoleV
83 tnemtsujda2G
14 MVNesilaitini-eR
34 dnuosAlauDtceleS
44 dnuosBlauDtceleS
54 dnuosonoMtceleS
64 dnuosoeretStceleS
84 nigrivnonsaMVNteS
94 nigrivsaMVNteS
15 ffo/noybloDlautriV
25 elbanE)tnemecnahnessaB(BPM/refoowbuS
45 RKEDAnoitani)partamorhc(M/CerutcurtstoD
55 )SPLA/YNOS(noitcelesrenuT
65 elbasid/elbaneEBB
75 elbasid/elbaneenilunemEBB
16 tnemtsujdACGAotuA
26 elbasid/elbanednabesabmorfMA
36 rotcennoc3CYelbasiD/elbanE
46 ytiroirpBGRelbasiD/elbanE
56 elbasid/elbanetceted-otuaBGR
66 elbasid/elbaneremitnO
76 tnemtsujdACGAlaunaM
86 )melborpN(erusaemretnuoc62XelbasiD/elbanE
96 erutaefICAelbasiD/elbanE
17 oedivLAPecroF
27 )noitidnocoedivlamronerotser(LAPecrof-nU
37 )47.6/5.6(metsys2K/DnotiewZelbanE
47 )47.5/5.6(metsys3K/DnotiewZelbanE
87 tfelllufecnalaB
97 thgirllufecnalaB
78 tsetsyeklacoL
98 godhctawelbasiD/elbanE
19 edommooz9:41teS
29 edommoozTRAMSteS
39 edommooz9:61teS
49 edomMOOZteS
59 edommooz3:4teS
99 unememiTgnikroWdnarorrEyalpsiD