Sony KV-29CS60B, KV-29CS60E, KV-29CS60K Service Manual

SERVICE MANUAL

AE-6B
CHASSIS
MODEL
KV-29CS60B KV-29CS60E
COMMANDER DEST CHASSIS NO.
RM-947 FR SCC-Q83Y-A
RM-947 ESP SCC-R31E-A
MODEL
KV-29CS60K
COMMANDER DEST CHASSIS NO.
RM-947 OIRT SCC-Q82P-A
- 1 -
KV-29CS60
RM-947

TABLE OF CONTENTS

Section Title Page Section Title Page
Caution .................... 3
Specifications .................... 4
Connectors .................... 5
Self Diagnostic Software .................... 6
1. GENERAL
Switching On the TV and
Automatically Tuning .................... 7
Introducing and Using the Menu
System .................... 8
Menu Guide .................... 8
Teletext .................... 10
Fastext .................... 10
Connecting Additional Equipment ............... 10
Specifications .................... 11
Troubleshooting .................... 12
Lifting the TV Set .................... 12
2. DISASSEMBLY
2-1. Rear Cover Removal .................... 13
2-2. Service Position ................ 13
2-3. Chassis Removal and Refitting .................... 13
2-4. G Board Removal .................... 14
2-5. M Board Removal .................... 14
2-6. Service Connector for M Board.................. 14
2-7. Wire Dressing .................... 14
2-8. Picture Tube Removal .................... 15
Bottom Plates .................... 16
5. DIAGRAMS
5-1. Block Diagrams (1) .................... 24
Block Diagrams (2) .................... 25
Block Diagrams (3) .................... 26
5-2. Circuit Board Location .................... 26
5-3. Schematic Diagrams and
Printed Wiring Boards .................... 26
* A Board Schematic .................... 27
* A Board PWB .................... 34
* F5 Board Schematic .................... 37
* F5 Board PWB .................... 38
* H6 Board Schematic .................... 37
* H6 Board PWB .................... 38
* VM Board Schematic .................... 37
* VM Board PWB .................... 36
* G Board Schematic .................... 39
* G Board PWB .................... 38
* D Board Schematic .................... 40
* D Board PWB .................... 41
* C Board Schematic .................... 42
* C Board PWB .................... 43
* M Board Schematic .................... 44
* M Board PWB .................... 43
5-4. Semiconductors .................... 45
5-5. IC Blocks .................... 47
6. EXPLODED VIEWS
3. SET-UP ADJUSTMENTS
3-1. Beam Landing .................... 17
3-2. Convergence .................... 18
3-3. Focus Adjustment .................... 20
3-4. Screen (G2), White Balance .................... 20
4. CIRCUIT ADJUSTMENTS
4-1. Electrical Adjustments .................... 21
4-2. Test Mode 2 .................... 23
CAUTION
SHORT CIRCUIT THE ANODE OF THE PICTURE TUBE AND THE ANODE CAP TO THE METAL CHASSIS, CRT SHIELD, OR THE CARBON PAINTED ON THE CRT, AFTER REMOVAL OF THE ANODE CAP.
WARNING !!
AN ISOLATION TRANSFORMER SHOULD BE USED DURING ANY SERVICE WORK TO AVOID POSSIBLE SHOCK HAZARD DUE TO LIVE CHASSIS, THE CHASSIS OF THIS RECEIVER IS DIRECTLY CONNECTED TO THE POWER LINE.
SAFETY-RELATED COMPONENT WARNING !!
COMPONENTS IDENTIFIED BY SHADING AND MARKED THE SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN THE PARTS LIST ARE CRITICAL FOR SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
ON
6-1. Chassis .................... 49
6-2. Picture Tube .................... 50
7. ELECTRICAL PARTS LIST .................... 51
ATTENTION
APRES AVOIR DECONNECTE LE CAP DE’LANODE, COURT-CIRCUITER L’ANODE DU TUBE CATHODIQUE ET CELUI DE L’ANODE DU CAP AU CHASSIS METALLIQUE DE L’APPAREIL, OU AU COUCHE DE CARBONE PEINTE SUR LE TUBE CATHODIQUE OU AU BLINDAGE DU TUBE CATHODIQUE.
AFIN D’EVITER TOUT RISQUE D’ELECTROCUTION PROVENANT D’UN CHÁSSIS SOUS TENTION, UN TRANSFORMATEUR D’ISOLEMENT DOIT ETRE UTILISÈ LORS DE TOUT DÈPANNAGE LE CHÁSSIS DE CE RÈCEPTEUR EST DIRECTMENT RACCORDÈ Á L’ALIMENTATION SECTEUR.
ATTENTION AUX COMPOSANTS RELATIFS Á
LES COMPOSANTS IDENTIFIÈS PAR UNE TRAME ET PAR UNE MARQUE EXPLOSÈES ET LES LISTES DE PIECES SONT D’UNE IMPOR-
TANCE CRITIQUE POUR LA SÈCURITÈ DU FONCTIONNEMENT, NE LES REMPLACER QUE PAR DES COMPSANTS SONY DONT LE NUMÈRO DE PIÈCE EST INDIQUÈ DANS LE PRÈSENT MANUEL OU DANS DES SUPPLÈMENTS PUBLIÈS PAR SONY.
SUR LES SCHÈMAS DE PRINCIPE, LES VUES
ATTENTION !!
LA SECURITÈ!!
- 2 -

CAUTION

Lead Free Soldered Boards
The circuit boards listed below [Table 1] used in these models may have been processed using Lead Free Solder. The boards are identified by the LF logo located close to the board designation e.g. F1, H1 etc [ see examples ]. The servicing of these boards requires special precautions to be taken as outlined below.
Table 1
draoB noitcnuF
example 1
example 2
A
CtuOB,G,R
5FDEL/SCRIS/nICA
6HenohpdaeH/tupnIVAtnorF
MVnoitaludoMyticoleV
oiduA,srossecorPoiduA&oediV
noitcelfeDlacitreV,tuptuO
It is strongly recommended to use Lead Free Solder material in order to guarantee optimal quality of new solder joints. Lead Free Solder is available under the following part numbers :
rebmuntraP retemaiD skrameR
91-500-046-7mm3.0gK52.0 02-500-046-7mm4.0gK05.0 12-500-046-7mm5.0gK05.0 22-500-046-7mm6.0gK52.0 32-500-046-7mm8.0gK00.1 42-500-046-7mm0.1gK00.1 52-500-046-7mm2.1gK00.1 62-500-046-7mm6.1gK00.1
Due to the higher melting point of Lead Free Solder the soldering iron tip temperature needs to be set to 370 degrees centigrade. This requires soldering equipment capable of accurate temperature control coupled with a good heat recovery characteristics.
For more information on the use of Lead Free Solder, please refer to http://www.sony-training.com
- 3 -
METI
LEDOM
BL,I,K/D,H/G/B
EK/D,H/G/B
KK/D,H/G/B
ebuTerutciP
metsySnoisiveleT metsySoeretS egarevoClennahC metsySroloC
MACIN/NAMREG
oeretS
MACIN/NAMREG
oeretS
MACIN/NAMREG
oeretS
nortinirTDFyalpsiDtalF
)sehcni92(mc37xorppA
]RAER[slanimreTtuptuO/tupnI snoitacificepSlareneG
02S-10S:VTELBAC
14S-12S:REPYH
30S-10S,21R-1R,21E-2E:FHV
96R-12R,96E-12E:FHU
02S-10S:VTELBAC
14S-12S:REPYH
30S-10S,21R-1R,21E-2E:FHV
96R-12R,96E-12E:FHU
02S-10S:VTELBAC
14S-12S:REPYH
tuptuodnuoS
rekaepstfeLdnathgiR)SMR(W01x2)rewoPcisuM(W02x2
Q-B,01F-20F,30S-10S,21R-1R,21E-2E:FHV
96R-12R,96B-12B,96F-12F,96E-12E:FHU
MACES,LAP
85.3CSTN,34.4CSTN
)NIOEDIV(
MACES,LAP
85.3CSTN,34.4CSTN
)NIOEDIV(
MACES,LAP
85.3CSTN,34.4CSTN
)NIOEDIV(
rotcennocoruEnip-12:1
)dradnatsCELENEC(
rotcennocoruEnip-12:2
)dradnatsCELENEC(
skcaJonohP
kcajenohpdaeHkcajinimoerets
tupnioiduAskcajonohp tupnioediVkcajonohp
tupnioediVSNIDnip4
.BGRrofstupnI
.BGRrofstupnI
slangiS
]EDIS[slanimreTtuptuO/tupnI lortnoCderarfnI:metsySlortnoCetomeR
emaNledoM
metI
bmoClaPFFOFFOFFO
PIPFFOFFOFFO
ytiroirPBGRNONONO
xoBrefooWFFOFFOFFO 1tracSNONONO 2tracSNONONO 3tracSFFOFFOFFO
)3(nitnorFNONONO
4tracSFFOFFOFFO
rotcejorPFFOFFOFFO G/BmroNNONONO
ImroNNOFFOFFO
K/DmroNNONONO
SUAmroNFFOFFOFFO
LmroNNOFFOFFO
TASmroNFFOFFOFFO
MmroNFFOFFOFFO
txeteleTNONONO
oeretSmaciNNONONO
.slangisoediVdnaoiduArofstupnI
.slangisoiduAdnaoediVVTfostuptuO
.slangisoediVdnaoiduArofstupnI
.slangisoiduAdnaoediVVTfostuptuO
.ecafretnikniltramS.)elbatceles(
oiduArofelbairavsrotcennoCtuptuO
B06SC92-VK E06SC92-VK K06SC92-VK
stnemeriuqeRrewoPV042-022
noitpmusnoCrewoPw3.0/W311
snoisnemiDmm345x306x708xorppA
thgieWgk54xorppA
seirosseccAdeilppuS
serutaeFrehtO
stnemeriuqerrewoP
)1(rednammoCetomeR749-MR
)2(yrettab6RdetangisedCEI
VT,kniltramS,txeteleT,erutcipzH001
,EBB,lautriVybloD,noitcetedotuametsys
.remiTpeelS
cdV3
noitangisedCEIseirettab2
)AAezis(6R
.ecitontuohtiwegnahcottcejbuserasnoitacificepsdnangiseD
- 4 -

21 pin connector

21
19
17
15
13
11
9
7
5
3
1
20
18
16
14
12
10
8
6
4
2
Pin No 1 2 4 Signal Signal level
1 Audio output B
2
3
4 Ground (audio)
5 Ground (blue)
6 Audio input A
7 Blue input 0.7 +/- 3dB, 75 ohms positive
8 Function select
9 Ground (green)
10 Open
11 Green Green signal : 0.7 +/- 3dB, 75 ohms,
12 Open
13 Ground (red)
14 Ground (blanking)
15
16 Blanking input
17 Ground (video
18 Ground (video
19 Video output 1V +/- 3dB, 75ohms, positive sync 0.3V
20
21 Common ground
3
(right)
Audio input B (right)
Audio output A (left)
(left)
(AV control)
_ _ Red input 0.7 +/- 3dB, 75 ohms, positive
_ (S signal Chroma
input)
(Ys signal)
output)
input)
_ _ Video input 1V +/- 3dB, 75ohms, positive sync 0.3V
_ Video input
Y (S signal)
(plug, shield)
Standard level : 0.5V rms Output impedence : Less than 1kohm*
Standard level : 0.5V rms Output impedence : More than 10kohm*
Standard level : 0.5V rms Output impedence : Less than 1kohm*
Standard level : 0.5V rms Output impedence : More than 10kohm*
High state (9.5-12V) : Part mode Low state (0-2V) : TV mode Input impedence : More than 10K ohms Input capacitance : Less than 2nF
positive
0.3 +/- 3dB, 75 ohms, positive
High state (1-3V) Low state (0-0.4V) Input impedence : 75 ohms
(-3+10dB)
(-3+10dB)
1V +/- 3dB, 75ohms, positive sync 0.3V (-3+10dB)
Connected Not Connected (open) * at 20Hz - 20kHz

Rear Connection Panel Side Connection Panel

S-Video
socket
noitarugifnocniptekcosoediVS
niP
oN
1dnuorG-
2dnuorG-
3tupni)langisS(Y,mho57Bd3-/+V1
4tupni)langisS(CBd3-/+V3.0
langiS leveLlangiS
V3.0.cnySevitisop
Bd01+3-
evitisop,mho57
.cnyS
- 5 -
AE-6B SELF DIAGNOSTIC SOFTWARE
The identification of errors within the AE-6B chassis is triggered in one of two ways :- 1: Busy or 2: Device failure to respond to IIC. In the event of one of these situations arising the software will first try to release the bus if busy (Failure to do so will report with a continuous flashing LED) and then communicate with each device in turn to establish if a device is faulty. If a device is found to be faulty the relevant device number will be displayed through the LED (Series of flashes which must be counted) See table 1, non fatal errors are reported using this method. Each time the software detects an error it is stored within the NVM. See Table 2.
Table 1
egasseMrorrE
rorreoN00
devreseR10
)noitcetorPtnerruCrevO(PCO20
noitcetorPegatloVrevO30
cnySlacitreVoN40
norewoptarorrERKI50
norewoptaegdelwonkcasubCIIonMVN70
noitcetorPlatnoziroH80
norewoptaegdelwonkcaonrenuT90
rorrErossecorPdnuoS01
devreseR11
rorrEetarnacS21
rorrECAD31
rorrEdnekcaB41
rorrEecnegrevnoCcimanyD51
rorrEPIP61
Flash Timing Example : e.g. error number 3
norewoptawolsenilatadro/dnakcolcsubCII60

How to enter into Table 2

DEL
edoC
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.
i+
(ON SCREEN (DIGIT 5) (VOLUME +) (TV) DISPLAY)
5
+
‘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 Service menu on the screen.
4. Using the Remote Commander, Scroll to the ‘Error Menu’
item using the down arrow key, then press the right arrow key.
5. The following table will be displayed indicating the error
count.
Table 2
StBy LED
ON ON ON
OFF
OFF
UNEMRORRE
20E 30E 40E 50E 60E 70E 80E 90E 01E 11E 21E 31E 41E 51E 61E
SRUOH
SETUNIM
PCO
PVO
CNYSV
RKI
CII
MVN
TORPH RENUT
PDNUOS
­NACS
CAD
DNEKCAB
NOCNYD
PIP
EMITGNIKROW
)552,0(
0
)552,0(
0
)552,0(
0
)552,0(
0
)552,0(
0
)552,0(
0
)552,0(
0
)552,0(
0
)552,0(
0
)552,0(
0
)552,0(
0
)552,0(
0
)552,0(
1
)552,0(
0
)552,0(
0
11
3
Note: To clear the error count data press ‘80’ on the Remote commander.
- 6 -

SECTION 1 GENERAL

Switching on the TV and Automatically Tuning

Yes
automatic tuning?
Do you want to start
The Auto Tuning menu appears on the screen. Press the OK
button to select Yes.
5
Programme Sorting menu appears automatically on the
Programme:
01 TVE
02 TVE2
screen enabling you to change the order in which the
03 TV3
04 C33
05 C27
06 C58
Select channel:
channels appear on the screen.
If you wish to keep the broadcast channels in their tuned order,
a)
OK
MENU
Exit:
go to step 7.b)If you wish to store the channels in a different order:
Programme Sorting
OK
No
Auto Tuning
System: B/G
Programme: 01
Searching...
Channel: C21
This procedure could take some minutes. Please be patient
If no channels were found during the auto tuning process then
and do not press any buttons, otherwise the automatic tuning
will not be completed.
a new menu appears automatically on the screen asking you
The TV starts to automatically search and store all available
broadcast channels for you.
6
No channel found
OK
Confirm
Please connect aerial
to connect the aerial. Please connect the aerial (see page 6)
and press OK. The auto tuning process starts again.
Programme Sorting
After all available channels are captured and stored, the
7
Programme:
01 TVE
1 Press the v or V button to select the programme number that
02 TVE2
03 TV3
04 C33
05 C27
button.
has the channel (TV Broadcast) you wish to rearrange, then
press the b
OK
MENU
06 C58 05 C27
Select new position:
Exit:
number position for your selected channel (TV Broadcast),
then press B.
2 Press the v or V button to to select the new programme
MENU
the other channels.
3 Repeat steps b)1 and b)2 if you wish to change the order of
Press the MENU button to remove the menu from the screen.
Your TV is now ready for use.
8
The operating instructions mentioned here are partial abstracts from the ‘Operating
Instruction Manual’. The page numbers of the ‘Operating Instruction Manual’ remain
as in the manual.
Switching on the TV and Automatically Tuning
continued...
OK
V
i
Select Language:
Country
The Country menu appears automatically on the TV screen. Press
3
Italiano
ivSvenska
Norsk
English
Nederlands
Français
Language
button on the remote control to select the
The first time you switch on your TV, a sequence of menu screens appear on the TV enabling you to:
1) choose the language of the menu screen, 2) choose the country in which you wish to operate the TV,
3) adjust the picture slant 4) search for and store all available channels (TV Broadcasts) and 5) change
the order in which the channels (TV Broadcasts) appear on the screen.
However, if you need to change any of these settings at a later date, you can do that by selecting the
appropriate option in the (Set Up menu) or by pressing the Auto Start Up Button on the TV set. 1Connect the TV plug to the mains socket (220-240V AC, 50Hz).
The first time that the TV set is connected, it is usually turned on.
If the TV is off, press the on/off button on the TV set to turn on
the TV.
The first time you switch on the TV, a Language menu appears
automatically on the TV screen.
Press the v or V
language, then press the OK button to confirm your selection.
From now on all the menus will appear in the selected language.
2
OK
V
ivSverige
Norge-Italia
Deutschland
Österreich
i
Select country:
button to select the country in which you will operate the
appear in the list, select “-” instead of a country.
languages we recommend you select Russia as the country
if your own country does not appear in the list.
If the country in which you want to use the TV set does not
In order to avoid wrong teletext characters for Cyrillic
the v or V
TV set, then press the OK button to confirm your selection.
Because of the earths magnetism, the picture might slant. The
OK
Adjust now
Not necessary
adjust picture rotation
If picture slants, please
If it is not necessary, press the v or V button to select Not
necessary and press OK.
If it is necessary, press the v or V button to select Adjust now,
a)
b)
Picture Rotation menu allows you to correct the picture slant if it
is necessary.
then press OK and correct any slant of the picture between –5
and +5 by pressing the v or V button. Finally press OK to store.
4
- 7 -
Introducing and Using the Menu System
Level 1 Level 2 Level 3 / Function
SOUND ADJUSTMENT
The Sound Adjustment menu allows you to alter the
sound settings.
Picture Adjustment
Mode: Personal
Contrast
Brightness
To do this:
Colour
Sharpness
Hue
After selecting the item you want to alter press the b
Reset
continued...
to make any adjustments and finally press the OK
button to store.
button, then repeatedly press the v/V/B or b buttons
OK
of sound for better intelligibility and musical realism.
High Definition Sound system*.
Sound Adjustment
Effect: Natural
Treble
Bass
Balance
Reset
Dual Sound: Mono
Auto volume: On
signal (e.g. in the case of advertisements).
v Mono.
v A (for channel 1).
v B (for channel 2).
v Stereo.
OK
OK
K
v Mono (for mono channel if available).
For a bilingual broadcast:
v On: volume level of the channels will stay the same, independent of the broadcast
are trademarks of Dolby Laboratories.
BBE Sound, Inc. It is covered by U.S. Patent No. 4,638,258 and No. 4,482,866. The word “BBE” and
BBE Symbol are trademarks of BBE Sound, Inc.
four speakers with only two speakers, when the broadcast audio signal is Dolby Surround encoded.
The sound effect can also be improved by connecting a suitable external amplifier (for details refer
Sound Adjustment
Effect: Natural
Treble
Bass
Balance
Reset
Dual Sound: Mono
Auto volume: On
Effect bvNatural: Enhances clarity, detail and presence of sound by using the “BBE
*The “BBE High Definition Sound system” is manufactured by Sony Corporation under license from
Balance bBLeft b Right
Reset Resets the sound to the factory preset levels.
v Dynamic: BBE High Definition Sound system* intensifies clarity and presence
v Dolby**Virtual: Simulates the sound effect of Dolby Surround Pro Logic”.
v Off: Flat response.
Bass bBLess b More
Treble bBLess b More
Dual Sound b For a stereo broadcast:
Auto VolumebvOff: volume level changes according to the broadcast signal.
Off and vice versa.
If you are listening to the TV through headphones, the “Effect” option is automatically switched to “Off”.
If you select Dolby Virtual in the Effect option, the Auto Volume option is automatically switched to
to Connecting to external audio Equipment on page 19).
**This TV has been designed to create the Dolby Surround sound effect by simulating the sound of
**Manufactured under license from Dolby Laboratories. “Dolby”, “Pro Logic and the double-D symbol
Introducing and Using the Menu System
Your TV uses an on-screen menu system to guide you through the operations. Use the following
buttons on the Remote Control to operate the menu system:1Press the MENU button to switch the first level menu on.
MENU
b.
To highlight the desired menu or option, press v or V button.• To enter to the selected menu or option, press
2
continued...
MENU
v/V/B or b.
to make any adjustments and finally press the OK
To do this:
Reset
Reset
button to store.
After selecting the item you want to alter press the b
button, then repeatedly press the v/V/B or b buttons
OK
OK
PICTURE ADJUSTMENT
The Picture Adjustment menu allows you to alter
Level 1 Level 2 Level 3 / Function
the picture adjustments.
Picture Adjustment
Mode: Personal
Contrast
Brightness
Colour
Sharpness
Picture Adjustment
Mode: Personal
Contrast
Brightness
Colour
Sharpness
Hue
Hue
.
To confirm and store your selection, press the OK button.
To alter the settings of your selected option, press
To return to the last menu or option, press B
Press the MENU button to remove the menu from the screen.
3

Menu Guide

Digital Set Top Box receivers).
v Live (for live broadcast programmes, DVD and
This menu also allows you to customise the picture
v Movie (for films).
mode based on the programme you are watching:
v Personal (for individual settings).
Brightness, Colour and Sharpness can only be altered if “Personal” mode is selected.
Hue is only available for NTSC colour signal (e.g: USA video tapes).
Select Reset and press the OK button to return the picture settings to their factory preset levels.
- 8 -
RGB CENTRING
When connecting an RGB source, such as a
PlayStation, you may need to readjust the
V buttons to correct any slant of the
V buttons to adjust the centre of the picture
PICTURE ROTATION
Because of the earths magnetism, the picture might
slant. If this is the case, you can correct the pictures
horizontal position of the picture. In that case, you
can readjust it using the RGB Centring option in the
Detail Set Up.
between –10 and +10. Finally press the OK button to
To do this:
confirm and store.
While watching an RGB source select the “RGB
Centring option and press the b button. Then press
the v or
slant by using the option Picture Rotation in the
Detail Set Up menu.
picture between -5 and +5 and finally press the OK
button to store.
To do this:
After selecting the option, press the b button. Then
press the v or
Introducing and Using the Menu System
Level 1 Level 2 Level 3 / Function
Picture Adjustment
Mode: Personal
Contrast
Brightness
Colour
Sharpness
Hue
Reset
Set Up
AutoTVOn00
Noise Reduction:
AV2 output:
Language/Country
TV speakers:
RGB Centring:
Picture Rotation
Auto Tuning
Programme Sorting
Progamme Labels
AV Preset
Manual Programme Preset
OK
OK
Detail Set Up
OK
AutoTVOn00
Detail Set Up
Noise Reduction:
AV2 output:
TV speakers:
RGB Centring:
Picture Rotation
Language/Country
Auto Tuning
Programme Sorting
OK
Progamme Labels
AV Preset
Manual Programme Preset
Detail Set Up
Picture Adjustment
Mode: Personal
Contrast
Brightness
Colour
Sharpness
Hue
Reset
OK
Set Up
Detail Set Up
OK
Introducing and Using the Menu System
Level 1 Level 2 Level 3 / Function
SLEEP TIMER
The Sleep Timer option in the Timer” menu allows
Picture Adjustment
Mode: Personal
continued...
b button then
b button then
b button then
button on the remote control to display the time
standby mode, the time remaining is displayed on
the TV screen automatically.
remaining.
While watching the TV, you can press the
Timer
Sleep Timer: Off
Timer
Sleep Timer: Off
One minute before the TV switches itself into
press the v or V button to set the time period delay
To do this:
Reset
After selecting the option, press the
OK
store.
(max. of 4 hours) and finally press the OK button to
you to select a time period for the TV to automatically
switch itself into the standby mode.
Contrast
Brightness
Colour
Sharpness
Hue
LANGUAGE / COUNTRY
The Language/Country option in the Set Up menu
allows you to select the language in which the menus
are displayed. It also allows you to select the country
OK
OK
Picture Adjustment
Mode: Personal
Contrast
Brightness
Colour
Sharpness
Hue
in which you wish to operate the TV set.
Reset
proceed in the same way as in the steps 2 and 3 of
the section Switching On the TV and Automatically
Tuning on page 7.
To do this:
After selecting the option, press the
OK
Set Up
Language/Country
Auto Tuning
Programme Sorting
Progamme Labels
AV Preset
Manual Programme Preset
Detail Set Up
Language/Country
Auto Tuning
Programme Sorting
Progamme Labels
AV Preset
Manual Programme Preset
Detail Set Up
OK
OK
Set Up
The Auto Tuning option in the Set Up menu allows
AUTO TUNING
you to automatically search for and store all available
TV channels.
To do this:
OK
Picture Adjustment
Mode: Personal
Contrast
Brightness
Colour
Sharpness
Hue
Reset
After selecting the option, press the
proceed in the same way as in TV steps 5 and 6 of
the section Switching On the TV and Automatically
Tuning on page 8.
OK
Set Up
Language/Country
Auto Tuning
Programme Sorting
Progamme Labels
AV Preset
Manual Programme Preset
Detail Set Up
OK
Set Up
Language/Country
Auto Tuning
Programme Sorting
Progamme Labels
AV Preset
Manual Programme Preset
Detail Set Up
- 9 -
option,
F
VCR
Decoder
(SMARTLINK)
ED
**
continued...
*
Computer Entertainment, Inc.
Computer Entertainment, Inc.
“PlayStation” is a product of Sony
DVD
“PlayStation is a trademark of Sony
*
*
F or through a VCR connected to 2
/
(SMARTLINK)
MANUFACTURED UNDER LICENCE
FROM DOLBY LABORATORIES
"DOLBY" AND THE DOUBLE - D
SYMBOL ARE TRADEMARKS OF
DOLBY LABORATORIES
8mm/Hi8/
DVC
camcorder
B
3
o3
3
PlayStation
Hi-Fi
Using the following instructions you can connect a wide range of optional equipment to your TV set.

Connecting Additional Equipment

Teletext

(Connecting cables are not supplied).
A
S VHS/Hi8/
DVC
camcorder
25
98
25
98
25
98
25
98
25
98
25
98
25
98
25
98
153
101
153
101
153
101
153
101
153
101
153
101
153
101
153
101
TELETEXT
TELETEXT
TELETEXT
TELETEXT
TELETEXT
TELETEXT
TELETEXT
TELETEXT
Index
Programme
News
Sport
Weather
Index
Programme
News
Sport
Weather
Index
Programme
News
Sport
Weather
Index
Programme
News
Sport
Weather
Index
Programme
News
Sport
Weather
Index
Programme
News
Sport
Weather
Index
Programme
News
Sport
Weather
Index
Programme
News
Sport
Weather
C
time.
the TV speakers will automatically be
muted.
When you connect the headphones,
To avoid picture distortion, do not connect external equipment to connectors A and B at the same
Do not connect a Decoder to the Scart connector E.
technology used in this television
Games that use a gun attachment to point at the screen do not work correctly due to the 100Hz
Connecting a VCR:
To connect a VCR, please refer to the section Connecting the aerial and VCR of this instruction manual. We
recommend you connect your VCR using a Scart lead. If you do not have a Scart lead, tune in the VCR test
signal to the TV programme number “0” by using the Manual Programme Preset option. (for details of how
to manually programme these presets, see page 13, step a).
Smartlink is a direct link between the TV set and the VCR. For more information on Smartlink, please
If you use a VCR that supports Smartlink, please connect the VCR by using a Scart lead to the Scart
refer to the instruction manual of your VCR.
socket 2/ 2 F.
Connecting a VCR that supports Smartlink:
Refer to your VCR instruction manual to find out the output channel of your VCR.
the v or V button). Repeat this procedure for each scrambled signal.
If you have connected a decoder to the Scart 2
The availability of this option depends on the country you have selected in the Language/Country menu.
this Scart:
Select the Manual Programme Preset option in the Set Up menu and after selecting the “Decoder
**
select On (by using
button. Press again to conceal the information.
button. Press again to cancel freeze.
Teletext is an information service transmitted by most TV stations. The index page of the teletext service
To Switch on Teletext:
After selecting the TV channel which carries the teletext service you wish
to view, press the button.
To Select a Teletext page:
Input the 3 digits of the page number, using the numbered buttons.
If you have made a mistake, retype the correct page number.
If the counter on the screen continues searching, it is because the page is not
available.
In that case, input another page number.
To access the next or preceding page:
Press PROG + () or PROG - ( ) buttons.
To superimpose teletext onto the TV:
Whilst you are viewing teletext, press the button. Press again to cancel teletext mode.
To freeze a teletext page:
Press the /
To reveal concealed information (e.g: answer to a quiz):
Press the /
To select a sub page:
A teletext page may consist of several sub pages. In this case the page number that appears on the upper left
corner changes colour from yellow to green, and one or more arrows will appear next to the page number.
Repeatedly press the B or b buttons on the remote control to watch the desired sub page.
To Switch Off Teletext:
Press button.
Teletext errors may occur if you use a channel (TV Broadcast) with a weak signal.
(usually page 100) gives you information on how to use the service. To operate teletext, use the remote
control buttons as indicated below.
The Fastext service lets you access pages with one button push.
While you are in Teletext mode and providing Fastext is broadcast, a colour coded menu appears at the
bottom of the teletext page. Press one of the coloured buttons (red, green, yellow or blue) to access the
Fastext
corresponding page.
- 10 -

Specifications

video input, RGB input, TV audio/video output
video input, RGB input, selectable audio/video output and
Smartlink interface
3 Video input - phono jack
3 Audio input - phono jacks
NTSC 3.58, 4.43 (Video In only)
UHF: E21-E69
CATV: S1-S20
HYPER: S21-S41
D/K: R1-R12, R21-R69
TV system Depending on your country selection B/G/H, D/K, L , I
Colour System PAL, SECAM
Channel Coverage VHF: E2-E12
2/ 2 21-pin Scart connector (CENELEC standard) including audio/
Picture Tube Flat display FD Trinitron 29 (Approx. 73 cm measured diagonally)
Rear Terminals 1/ 1 21-pin Scart connector (CENELEC standard) including audio/
(SMARTLINK)
S
Audio outputs (Left/Right) - phono jacks
i Headphones jack
Side terminals 3 S Video input - 4 pin DIN
0.3W
Sound Output 2 x 20W (Music Power), 2 x 10W (RMS)
Power Consumption 113W
Standby Power
Consumption
Dimensions (WxHxD) Approx. 807mm x 603mm x 543mm
Weight Approx. 45Kg
Accessories Supplied 1 Remote Control (RM-947), 2 batteries (IEC designated)
information on Smartlink, please refer to the Instruction Manual of your VCR)
Teletext, Fastext, TOPtext (250 page TEXT memory)
Sleep Timer
Smartlink (direct link between your TV set and a compatible VCR. For more
TV system Autodetection
Dolby Virtual
BBE
Other Features 100Hz picture
Design and specifications are subject to change without notice.
Connecting Additional Equipment
Right Hi-Fi
speaker
S
50cm 50cm
Left Hi-Fi
speaker
The audio level of the external speakers can be modified by pressing the volume buttons on the remote
control. Also, treble and bass settings can be modified through the Sound Adjustment menu.
Connecting to external Audio Equipment:
Plug in your Hi-Fi equipment to the audio output sockets D if you wish to amplify the audio output from your
TV. Next, using the menu system, select the Set Up menu. Enter the Detail Set Up menu and set “TV
Speakers to Off”.
To enjoy Dolby Virtual sound effect through your Hi-Fi equipment:
Place the speakers of your equipment in front of your sitting position
and besides the TV set, but keeping a distance of 50 cm from each
speaker to the TV set.
Then, using the menu system, select the menu Sound Adjustment”,
and select Dolby Virtual on the “Effect” option.
Your sitting position
Using optional Equipment
Connect your equipment to the designated TV socket, as indicated in the previous page.2Switch on the connected equipment.3To watch the picture from the connected equipment, press the button repeatedly until the correct
1
source has been connected.
Input Signals
Audio / video input signal through the Scart connector E.
RGB input signal through the Scart connector E. This symbol appears only if a RGB
1
1
input symbol appears on the screen.
Symbol
source has been connected.
socket C.
Audio/video input signal through the Scart connector F.
RGB input signal through the Scart connector F. This symbol appears only if a RGB
2
2
phono socket C. This symbol appears only if a S Video source has been connected.
Video input signal through the phono socket B and Audio input signal through phono
S Video Input signal through the front S Video input jack A and Audio signal through
3
3
S
Press button on the remote control to return to the normal TV picture.
4
For Mono Equipment
Connect the phono plug to the L/G/S/I socket on the side of the TV and select 3 or 3 input signal using
the instructions above. Finally, refer to the Sound Adjustment section of this manual and select “Dual
Sound” “A” on the sound menu screen.
- 11 -

Lifting the TV Set

Troubleshooting

1 scart socket.
the TV.
or a numbered button on the remote control.
Adjustment“ display and select “RESET“ to return to
the factory settings.
the button of the remote control repeatedly until
the correct input symbol is displayed on screen.
Up” menu.
Adjustment“ and select “RESET“ to return to the
factory settings.
connectors on the rear of the TV.
Country” menu and select the country in which you
are operating the TV set.
For Cyrillic languages, we recommend you select
Russian as the country if your own country does not
appear in the list.
option in the “Detail Set Up” menu to correct the
picture slant.
Programme Preset” menu and adjust Fine Tuning
(AFT) to obtain better picture reception.
option in the “Detail Set Up” menu and select “Auto”
to reduce the noise in the picture.
Then select the “Detail Set Up” option and set “AV2
• Plug the TV in and press the button on the front of
• If the standby indicator is on press the button
• Using the MENU system, select the “Picture
• Check that the optional equipment is on, and press
• Check that “TV Speakers” is “On” in the “Detail Set
• Check the Headphones are not connected.
• Turn off any equipment connected to the scart
• Using the menu system, select the “Noise Reduction”
Output” to “TV”.
• Using the menu system, display the “Set Up” menu.
• Check that the decoder is not connected to the 1/
• If you continue to have problems, have your TV serviced by qualified personnel.
• NEVER open the casing yourself.
Here are some simple solutions to problems which may affect the picture and sound.
Problem Suggested Remedy
No picture (screen is dark), and no sound. • Check the aerial connection.
Poor or no picture (screen is dark), but good
sound.
No picture or menu information from equipment
connected to the Scart socket.
Good picture, no sound. • Press the button on the remote control.
No colour on colour programmes. • Using the MENU system, select the “Picture
Distorted picture when changing programmes or
selecting Teletext.
Wrong characters appear when viewing teletext. • Using the menu system, display the “Language/
Picture slanted. • Using the menu system, select the “Picture Rotation”
Snowy picture when viewing a TV channel. • Using the menu system, select the “Manual
No unscrambled picture whilst viewing un
unscrambled channel with a decoder connected
through the scart connector 2/ 2.
Remote control does not function. • Replace the batteries.
The standby indicator on the TV flashes. • Contact your nearest Sony service centre.
- 12 -
SECTION 2 DISASSEMBLY
2-1. Rear Cover Removal
=>
=>
=>
=>
=>
=>
Remove the rear cover fixing screws indicated and pull the rear cover backwards away from the set.
2-2. Service Position
=>
=>
=>
=>
Position the chassis as indicated to access the solder side of the PWB’s. To gain access to the underside of the boards follow the instructions on page 16. [Removal and Replacement of the main bracket bottom plates].
2-3. Chassis Removal and Refitting
To remove lift the main bracket rear slightly and slide the chassis away from the beznet. Ensure that the interconnecting leads are released from their purse locks to prevent damage being caused.
When refitting the chassis ensure that the main bracket is located in the beznet guide slots before sliding the chassis forwards. Refit the inter-connecting leads in their respective purse locks.
- 13 -
2-4. G Board Removal 2-5. M Board Removal
Clips
To remove the G Board remove the screw from the middle
of the board, release the clips circled and then ease the
board gently away from the support bracket. Removal of the D board follows the same procedure.
To remove the M Board gently release the two clips with a screwdriver and remove the board from its socket vertically.
2-6. Service Connector for M Board
To A
From M Board
Extender Board Assembly A-1642-293-A
Board
If the M Board needs to be removed for testing when the chassis is placed in its service position, it would be necessary to use an extender board and extension cable as indicated above. The Extender board and extension cable are available as a service part by ordering the part number as indicated.
2-7. Wire Dressing
20mm
20mm
Ensure that wires do not touch heatsinks and high temperature hotspots. All wires must be kept at a minimum distance of 20mm away from the EHT lead
- 14 -
2-8. Picture Tube Removal
WARNING:
BEFORE REMOVING
THE ANODE CAP
High voltage remains in the CRT even after the power is disconnected. To avoid electric shock, discharge CRT
before attempting to remove the anode
cap. Short between anode and CRT coated earth ground strap.
Coated Earth Ground Strap
10
8
7
6
5
2
4
9
1
3
1. Discharge the anode of the CRT and remove the anode cap.
2. Unplug all interconnecting leads from the Deflection yoke, neck assy, degaussing coils and CRT grounding strap.
3. Remove the C Board from the CRT.
4. Remove the chassis assembly.
5. Loosen the Neck assembly fixing screw and remove.
6. Loosen the Deflection yoke fixing screw and remove.
7. Place the set with the CRT face down on a cushion and remove the Degaussing Coil holders.
8. Remove the Degaussing Coils.
9. Remove the CRT grounding strap and spring tensioners.
10. Unscrew the four CRT fixing screws [ located on each CRT corner ] and remove the CRT. [Take care not to handle the CRT by the neck.]
Removal of the Anode-Cap
REMOVAL PROCEDURE.
a
1
Turn up one side of the rubber cap in the direction indicated by the arrow a
b
2 Using a thumb pull up the rubber cap firmly in the direction indicated by the arrow b
How to handle the Anode-Cap
1. To prevent damaging the surface of the anode-cap do not use sharp materials.
2. Do not apply too great a pressure on the rubber, as this may cause damage to the anode connector.
3. A metal fitting called a shatter hook terminal is fitted inside the rubber cap.
4. Do not turn the rubber foot over excessively, this may cause damage if the shatter hook sticks out.
c
b
Anode button
3 When one side of the rubber cap is separated from the anode button, the anode-cap can be removed by turning up the rubber cap and pulling it up in the direction of the arrow c
- 15 -
Catch
For safety reasons, on no account should the plates be removed
and not refitted after servicing.
Because the plates differ in size it is important that the correct plates are refitted in their original
location.
Please note that the plates need to be rotated 180 degrees from their cut position to allow the
(2) REFITTING THE PLATES
tabs to be fitted into their catch positions.
Ta b
REMOVAL AND REPLACEMENT OF THE MAIN-BRACKET
BOTTOM PLATES.
access to the printed wiring board.
In the event of servicing being required to the solder side of the printed wiring boards, the
bottom plates fitted to the main chassis bracket require to be removed. This is performed by
cutting the gates with a sharp wire cutter at the locations indicated by the arrows.
(1) REMOVING THE PLATES
Note : There are 2 plates fitted to the main bracket. Only remove the necessary plate to gain
- 16 -
SECTION 3 SET-UP ADJUSTMENTS
When complete readjustment is necessary or a new picture tube is installed, carry out the following adjustments.
Unless there are specific instructions to the contrary, carry out these adjustments with the rated power supply.
Unless there are specific instructions to the contrary, set the controls and switches to the following settings :
Contrast .................................. normal
Brightness .................................. normal
3-1. Beam Landing
Preparation :
1. In order to reduce the influence of geomagnetism on the set’s picture tube, face it in an easterly or westerly direction.
2. Switch on the TV set’s power and degauss with a degausser.
(1) Adjustment of Correction Magnet for Y-Splitting Axis.
1. Input a crosshatch signal from the pattern generator.
2. Set the Picture control to minimum and confirm that the Brightness control is set to normal.
3. Position the neck assembly as indicated in Fig.3-2.
4. Loosen the deflection yoke fixing screw.
5. Move the deflection yoke as far forward as is possible.
6. Adjust the upper and lower pin symmetrically by opening or closing the Y-splitting axis correction magnets located on the neck assembly. [See Fig 3-3]
7. Return the deflection yoke to its original position and re-tighten its fixing screw.
Fig.3-1
Y-splitting axis correction magnet
Carry out the adjustments in the following order :
3-1. Beam Landing. 3-2. Convergence. 3-3. Focus. 3-4. White Balance.
Note : Test equipment required.
1. Color bar/pattern generator.
2. Degausser.
3. Oscilloscope.
4. Digital multimeter.
(2) Landing
Note : Before carrying out the following adjustments adjust the
magnets as indicated [See Fig.3-4].
1. Input a crosshatch signal from the signal generator.
2. Rough-adjust the focus and horizontal convergence.
3. Switch from the crosshatch pattern to an all-red pattern.
4. Move the deflection yoke backwards and adjust with the purity magnet so that the red is at the centre and it aligns symmetrically [See Fig.3-5].
5. Move the deflection yoke forward to the point where the entire screen just becomes red [Mark its position].
6. Move the deflection yoke further forward until the screen just changes colour at the edges. [Mark its position]
7. Position the deflection yoke between the two marks indicated above.
8. Input a crosshatch pattern from the pattern generator and rotate the deflection yoke so that the horizontal lines are parallel with the top and bottom of the screen.
9. When the position of the deflection yoke has been determined, fasten it with its fixing screw.
10. Switch the pattern generator to green then blue and confirm the purity.
11. If the beam does not land correctly in all the corners of the screen, use disk magnets to correct it. [Confirm the corner landing forgreen and blue]
Caution :
High voltages are present on the Deflection yoke terminals - take care when handling the Deflection yoke whilst carrying out adjustments.
- 17 -
Fig.3-2
Fig.3-3
G1
G2
+
G3
Neck assy
Align the edge of the neck assy with the edge of the G2 grid on the G3 side.
B
G
R
B
G
R
Fig.3-4
Purity magnets
Align pips on each magnet
GREEN
RED
Align both Purity magnets to the vertical position
BLUE
Purity control magnets
3-2. Convergence
(1) Screen centre convergence [Static convergence]
1. Input a dot pattern signal from the pattern generator.
2. Normalize the picture setting.
3. [Moving vertically], adjust the V.STAT magnet so that the vertical red, green and blue dots coincide at the centre of the screen.
Fig.3-5
Purity control corrects this area
a
cd
b
Deflection yoke positioning corrects these areas
Disk magnets or rotatable disk magnets correct these areas (a-d)
Center dot
R
G
B
H STAT

convergence

control
R
G
B
V.STAT Vertical Static Magnet
C Board
RV7375 (H STAT) H STAT Convergence (on mount side)
Disk Magnets
By opening or closing the V.STAT magnet, the red green and blue dots move in the direction indicated below.
Note: Do not adjust the H.STAT by rotating the V.STAT
magnets as this can affect the focus setting.
- 18 -
4. Correction for HMC [Horizontal mis-convergence] and VMC
+
+
+
YCH VR
Deflection Yoke
+
+
+
TLV VR
Deflection Yoke
[Vertical mis-convergence] by using the BMC [Hexapole] magnet.
a). HMC correction by BMC [Hexapole] magnet and movement of
the electron beam.
HMC correction(A) HMC correction(B)
A < B
RG B
A > B
RGB
HTIL correction can be performed by adding a THL correction assembly to the Deflection yoke.
A = B
RG B
A = B
RG B
b). VMC correction by BMC [Hexapole] magnet and movement of
the electron beam.
VMC correction(A) VMC correction(B)
C < D
C
D
C = D C > D C = D
R G
B
R
C
G
D
B
R
G B
R G
B

HAMP Adjustment

YCH Adjustment

TLV Adjustment

Adjust the HAMP using HAMPL and HAMPR registers in the Dynamic Convergence section of the service menu.
HTIL Adjustment
THL Correction assy

H-TRAP Adjustment

+
+
HTRAP VR
+
Deflection Yoke
The H-TRAP should not be adjusted unless absolutely necessary as it affects the TLV settings.
- 19 -

Layout of each control

Purity magnet
BMC (Hexaploe) magnet
V STAT convergence magnet
Y-splitting axis correction magnet
Note : If you are unable to adjust the corner convergence properly,
this can be corrected with the use of permalloy magnets.
3-3. Focus Adjustment
1. Receive a television broadcast signal.
2. Normalize the picture setting.
3. Adjust the focus control located on the flyback transformer to obtain the best focus at the centre of the screen. Bring only the centre area of the screen into focus, the magenta­ring appears on the screen. In this case, adjust the focus to optimize the screen uniformly.
Focus
a
a-d: screen-corner convergence defect
c
Install the permalloy assembly for the area that needs correcting.
b
Permalloy Assy X-4387-214-1
d
Convergence adjustment with permalloy
b
d
Screen
3-4. Screen (G2), White Balance
[Adjustment in the service mode using the remote commander]
G2 adjustment
1. Input a dot signal from the pattern generator.
2. Set the Picture, Brightness and Colour to minimum.
3. Apply 165V DC from an external power supply to the R, G and B cathodes of the CRT.
4. Whilst watching the picture, adjust the G2 control [SCREEN] located on the flyback transformer to the point just before the flyback return lines disappear.
a
White balance adjustment for TV mode
1. Input an all-white signal from the pattern generator.
2. Set the TV set or operation in Service Mode. [ See Page 21 ].
3. Select ‘Service’ from the on screen menu display and press ‘Right Arrow’.
4. The ‘Service’ menu will appear on the screen.[See Page 22]
5. Set the ‘Contrast’ to MAX.
6. Set the ‘R-Drive’ to 50.
7. Adjust the ‘G-Drive’ and the ‘B-Drive’ so that the white balance becomes optimum.
8. Press the ‘OK’ button to write the data for each item.
9. Set the ‘Contrast’ to MIN.
10. Set the ‘R-Cutoff’ to 29.
11. Adjust the ‘G-Cutoff’, and the ‘B-Cutoff’ with the left and
c
right buttons on the remote commander so that the white balance becomes optimum.
12. Press the ‘OK’ button to write the data for each item.
- 20 -
4-1. Electrical Adjustments
SECTION 4 CIRCUIT ADJUSTMENTS
Service adjustments to this model can be performed using the supplied remote Commander RM-947.

How to enter into the Service Mode

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.
i+
(ON SCREEN (DIGIT 5) (VOLUME +) (TV) DISPLAY)
5
+
‘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.
YRTEMOEG
HTLBA
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LBAP
EZISV
NOITISOPV
PMOCV
NILV
NOITCERROCS
EZISH
PMANIP
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NIPRENROCOL
MUIZEPART
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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 :
After carrying out the service adjustments, to prevent the customer accessing the ‘Service Menu’ switch the TV set
OFF and then ON.
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- 21 -
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1
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01
1. Input a Monoscope pattern.
2. Set the TV set or operation in Service Mode.
20E 30E 40E 50E 60E 70E 80E 90E 01E 11E 21E 31E 41E 51E 61E
SRUOH
SETUNIM
PCO
PVO
RKI
CII
MVN
­NACS
CAD
PIP
EMITGNIKROW

Sub Brightness Adjustment

)552,0(
0
)552,0(
CNYSV
TORPH RENUT
PDNUOS
DNEKCAB
NOCNYD
0
)552,0(
0
)552,0(
0
)552,0(
0
)552,0(
0
)552,0(
0
)552,0(
0
)552,0(
0
)552,0(
0
)552,0(
0
)552,0(
0
)552,0(
1
)552,0(
0
)552,0(
0
11
3
[ See Page 21 ].
3. Select ‘Service’ from the on screen menu display and press ‘Right Arrow’.
4. The ‘Service’ menu will appear on the screen.
CAD
GIFNOC
TNOCNIPM
NILH
PARTH
LIOC.TOR
HPSUCOHP
)552,0( )552,0( )552,0( )552,0( )552,0(
00000000
69 38
721 031
09
5. Adjust the ‘Sub-Brightness’ data so that there is barely a difference between the 0 IRE and 10 IRE signal levels.

Sub Contrast Adjustment

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 J7375 [C Board].
3. Set the TV set or operation in Service Mode. [ See Page 21 ].
DNUOS
N-M D-M S-M
M-S
M-D M-N
EBB 1B 2B 3B 4B 5B
LWS FWS
DACMACIN
rorrEMACIN
oeretS
)115,0(
)1-,821-(
)721+,0+( )721+,0+(
)1-,821-( )3201,0( )86+,0+(
)69+,69-( )69+,69-( )69+,69-( )69+,69-( )69+,69-( )0+,821-(
)04+,5+(
)7402,0(
)721+,821-(
002
02-
02+ 01+
01-
694
82+ 0+ 0+ 0+ 0+ 0+ 0+
03+
00000
0
0+
4. Select ‘Service’ from the on screen menu display and press ‘Right Arrow’.
5. The ‘Service’ menu will appear on the screen.
6. Adjust the Sub-Contrast to obtain a voltage of 105 +/- 5V.

Sub Colour Adjustment

1. Receive a PAL colour bar signal.
2. Connect an oscilloscope to Pin 6 of CN7001 [A Board].
3. Set the TV set or operation in Service Mode. [ See Page 21 ].
4. Select ‘Service’ from the on screen menu display and press ‘Right Arrow’.
5. The ‘Service’ menu will appear on the screen.
6. Adjust the ‘Sub Colour’ sothat the Cyan, Magenta and Blue colour bars are of equal levels as indicated below.
sutatS0110000000
Same Level
B-Out Waveform
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