Sony FWD-42PX2 Schematic
FLAT PANEL DISPLAY
FWD-42PX2
REMOTE COMMANDER
RM-980
SPEAKER SYSTEM
SS-SP42FW
SERVICE MANUAL
1st Edition
! WARNING
This manual is intended for qualified service personnel only.
To reduce the risk of electric shock, fire or injury, do not perform any servicing other than that
contained in the operating instructions unless you are qualified to do so. Refer all servicing to
qualified service personnel.
! WARNUNG
Die Anleitung ist nur für qualifiziertes Fachpersonal bestimmt.
Alle Wartungsarbeiten dürfen nur von qualifiziertem Fachpersonal ausgeführt werden. Um die
Gefahr eines elektrischen Schlages, Feuergefahr und Verletzungen zu vermeiden, sind bei
Wartungsarbeiten strikt die Angaben in der Anleitung zu befolgen. Andere als die angegeben
Wartungsarbeiten dürfen nur von Personen ausgeführt werden, die eine spezielle Befähigung
dazu besitzen.
! AVERTISSEMENT
Ce manual est destiné uniquement aux personnes compétentes en charge de l’entretien. Afin
de réduire les risques de décharge électrique, d’incendie ou de blessure n’effectuer que les
réparations indiquées dans le mode d’emploi à moins d’être qualifié pour en effectuer d’autres.
Pour toute réparation faire appel à une personne compétente uniquement.
FWD-42PX2
CAUTION
Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type
recommended by the manufacturer.
Dispose of used batteries according to the
manufacturer’s instructions.
ADVARSEL!
Lithiumbatteri-Eksplosionsfare ved fejlagtig
håndtering.
Udskiftning må kun ske med batteri
af samme fabrikat og type.
Levér det brugte batteri tilbage til leverandøren.
ADVARSEL
Lithiumbatteri - Eksplosjonsfare.
Ved utskifting benyttes kun batteri som
anbefalt av apparatfabrikanten.
Brukt batteri returneres
apparatleverandøren.
Vorsicht!
Explosionsgefahr bei unsachgemäßem Austausch
der Batterie.
Ersatz nur durch denselben oder einen vom
Hersteller empfohlenen ähnlichen Typ . Entsorgung
gebrauchter Batterien nach Angaben des
Herstellers.
ATTENTION
Il y a danger d’explosion s’il y a remplacement
incorrect de la batterie.
Remplacer uniquement avec une batterie du même
type ou d’un type équivalent recommandé par le
constructeur.
Mettre au rebut les batteries usagées conformément
aux instructions du fabricant.
For the customers in the Netherlands
Voor de klanten in Nederland
VARNING
Explosionsfara vid felaktigt batteribyte.
Använd samma batterityp eller en likvärdig typ
som rekommenderas av apparattillverkaren.
Kassera använt batteri enligt gällande
föreskrifter.
VAROITUS
Paristo voi räjähtää jos se on virheellisesti
asennettu.
Vaihda paristo ainoastaan laitevalmistajan
suosittelemaan tyyppiin.
Hävitä käytetty paristo valmistajan ohjeiden
mukaisesti.
Hoe u de batterijen moet verwijderen, leest u in de tekst
van deze handleiding.
Gooi de batterij niet weg maar lever deze in als klein
chemisch afval (KCA).
FWD-42PX2
Für Kunden in Deutschland
Entsorgungshinweis: Bitte werfen Sie nur entladene
Batterien in die Sammelboxen beim Handel oder den
Kommunen. Entladen sind Batterien in der Regel dann,
wenn das Gerät abschaltet und signalisiert “Batterie
leer” oder nach längerer Gebrauchsdauer der Batterien
“nicht mehr einwandfrei funktioniert”. Um
sicherzugehen, kleben Sie die Batteriepole z.B. mit
einem Klebestreifen ab oder geben Sie die Batterien
einzeln in einen Plastikbeutel.
1 (P)
Table of Contents
1. Service Overview
1-1. Appearance Figure ..........................................................1-1
1-2. Board Location ...............................................................1-1
1-3. Disassembly ....................................................................1-2
1-3-1. Rear Cabinet Assembly .........................................1-2
1-3-2. Bezel Assembly/H1 Board/H2 Board ...................1-3
1-3-3. A Board/L Board/I Board......................................1-4
1-3-4. G Board/TEMP Board...........................................1-5
1-3-5. T-R Board/T-L Board............................................1-5
1-3-6. A Block Assembly/DC Fan ................................... 1-6
1-3-7. Y-DRV Board/Y-SUS Board ................................1-7
1-3-8. CTRL Board ..........................................................1-8
1-3-9. Z-SUS Board .........................................................1-8
1-3-10. XL Board/XR Board .............................................1-9
1-3-11. Plasma Display Panel ..........................................1-10
1-4. Service Position ............................................................1-11
1-4-1. Service Position of A Board ................................1-11
1-5. Packing of the Plasma Display Panel ...........................1-12
1-6. Label Information of Module .......................................1-13
1-6-1. Warning/Caution Label .......................................1-13
1-6-2. Voltage Label ......................................................1-14
1-6-3. Identification Label .............................................1-14
1-6-4. Safety Approval Label ........................................1-14
1-6-5. Serial No. of Frame Label ...................................1-14
1-7. Warning on Power Connection.....................................1-15
1-8. Unleaded Solder............................................................1-15
2-4. Vsc/_Vy Voltage Adjustment ........................................2-5
2-4-1. Required Equipment..............................................2-5
2-4-2. Vsc Voltage Adjustment .......................................2-5
2-4-3. _Vy Voltage Adjustment ......................................2-5
2-5. Flash Down-loading Method .......................................... 2-6
2-6. DEVICEINFO Section ...................................................2-7
3. Troubleshooting
3-1. Self Diagnosis Operation ................................................3-1
3-2. Check Point.....................................................................3-1
3-2-1. A Board .................................................................3-1
3-2-2. Plasma Display Panel ............................................3-2
3-3. Image Trouble.................................................................3-3
3-4. Power (G Board) Trouble ............................................... 3-4
3-5. Remote Control Trouble .................................................3-5
3-6. Sound Trouble ................................................................3-5
3-7. Other Trouble..................................................................3-6
3-8. Plasma Display Panel .....................................................3-7
3-8-1. Image is not displayed........................................... 3-7
3-8-2. Vertical Image is abnormal ...................................3-8
3-8-3. Horizontal Image is abnormal ...............................3-9
3-8-4. Mal Discharge .......................................................3-9
4. Spare Parts
2. Service Mode and Adjustment
2-1. Service Mode ..................................................................2-1
2-1-1. Service Mode Startup Procedure ...........................2-1
2-1-2. Configuration ........................................................2-1
2-1-3. Description of Main Items.....................................2-2
2-2. White Balance Adjustment .............................................2-3
2-2-1. Initialization ..........................................................2-3
2-2-2. AD Calibration ......................................................2-3
2-2-3. 1PC Signal............................................................. 2-3
2-2-4. White Balance .......................................................2-3
2-3. Va/Vs Voltage Adjustment............................................. 2-4
2-3-1. Required Equipment..............................................2-4
2-3-2. Vs Voltage Adjustment ......................................... 2-4
2-3-3. Va Voltage Adjustment .........................................2-4
FWD-42PX2
4-1. Notes on Repair Parts .....................................................4-1
4-2. Exploded Views.............................................................. 4-2
5. Block Diagram
5-1. Circuit Description..........................................................5-1
1
1-1. Appearance Figure
Section 1
Service Overview
1 2 3
4 5 6
7 8 9
0
ON SET OFF
1-2. Board Location
H2 board
TEMP board
Y-DRV board
Y-SUS board
G board
L board
TEMP board
H1 board
I board
TEMP board
BKM-FW10
Z-SUS board
T-L board
XR board
A board
CTRL board
XL board
T-R board
FWD-42PX2
1-1
1-3. Disassembly
7
n
When removing/installing the cabinet and replacing the board, place the unit on the conductive cushion.
1-3-1. Rear Cabinet Assembly
Hold the two handles and
remove the rear cabinet assembly.
3 Four screws
6 Fourteen screws
4 Four knobs
5 Fourteen screws
1 Two panel securing
screws
2 BKM-FW10
Upper side
8 Rear cabinet assembly
Conductive cushion
1-2
FWD-42PX2
1-3-2. Bezel Assembly/H1 Board/H2 Board
. Remove the rear cabinet assembly. (Refer to Section 1-3-1.)
m
. When removing the chassis assembly, be sure to work with more than two persons.
. When removing the chassis assembly, hold the four portions A and remove it from
the front frame assembly.
. Place the removed chassis assembly on the conductive cushion.
Portions A
3 Control button
bracket
6 Control button
2 Two screws
3 H2 board
4 Three screws
1 Four screws
7 Four screws
CN3
9 Chassis assembly
Arm
Portions A
Upper side
0 Harness
Arm
8 Ten screws
![ Front frame
assembly
!= Filter glass
Conductive cushion
!- Bezel assembly
FWD-42PX2
!] Two screws
!\ H1 board
1-3
1-3-3. A Board/L Board/I Board
. Remove the rear cabinet assembly. (Refer to Section 1-3-1.)
CN24
CN29
CN3
CN22
CN501
CN9
CN8
CN23
CN19
CN15
9 A board
CN1
!= Removing the lithium battery.
Remove the lithium battery in the
direction of the arrow.
Lithium battery
(CR-2032)
Battery holder
2 L board
Upper side
8 Four screws
1 Four screws
P3
!/ I board
P1
P1
3 Four screws
4 Two screws
CN20
9 A board
7 Interface cover
5 Six connector screws
6 Screw
Conductive cushion
1-4
FWD-42PX2
1-3-4. G Board/TEMP Board
. Remove the rear cabinet assembly. (Refer to Section 1-3-1.)
CN800
5 Two screws
6 TEMP boards
Upper side
CN807
P501
CN8
CN805
CN804
CN803
P501
CN802
CN801
1-3-5. T-R Board/T-L Board
. Remove the rear cabinet assembly. (Refer to Section 1-3-1.)
1 Eight screws
2 G board
3 Screw
P501
4 TEMP board
Conductive cushion
2 AC outlet cover
3 Two screws
Conductive cushion
Upper side
1 Three screws
CN1304
4 T-R board
5 Screw
7 Option shield plate
CN1302
9 T-L board
8 Two screws
6 Screw
FWD-42PX2
1-5
1-3-6. A Block Assembly/DC Fan
. Remove the rear cabinet assembly. (Refer to Section 1-3-1.)
. Remove the bezel assembly. (Refer to Section 1-3-2.)
. Remove the G board. (Refer to Section 1-3-4.)
DC fan installation direction
6 CN24
5 CN23
Make sure that the label is oriented in the
upward direction of the main unit.
![ Six screws
!- Six screws
2 Screw
3 Round type
connector
!] DC fans
1 Five screws
4 A block assembly
DC fan installation direction
9 Two
screws
Make sure that the label is
oriented in the upward
direction of the main unit.
0 DC fan
7 Screw
!= Fan brackets
Upper side
!' Two screws
!, DC fan
!; Fan bracket
DC fan installation direction
Make sure that the label is
oriented in the upward
direction of the main unit.
8 Fan bracket
Conductive cushion
!\ Screw
1-6
FWD-42PX2
1-3-7. Y-DRV Board/Y-SUS Board
. Remove the rear cabinet assembly. (Refer to Section 1-3-1.)
. Remove the bezel assembly. (Refer to Section 1-3-2.)
P1
7 Y-DRV board
1 Two screws
2 Speaker bracket
support
Upper side
Conductive cushion
5 Three screws
P1
P2
P3
P4
P11
P5
P2
P6
P7
P8
P9
6 Six screws
P4
P152
P8
8 Y-SUS board
3 Two screws
4 Speaker bracket
support
FWD-42PX2
1-7
1-3-8. CTRL Board
. Remove the rear cabinet assembly. (Refer to Section 1-3-1.)
. Remove the bezel assembly. (Refer to Section 1-3-2.)
. Remove the A block assembly. (Refer to Section 1-3-6.)
P6
4 CTRL board
P7
P10
P4
3 Cushion
P11
2 Cushion retainer
1 Four screws
Upper side
4 CTRL board
1-3-9. Z-SUS Board
. Remove the rear cabinet assembly. (Refer to Section 1-3-1.)
. Remove the bezel assembly. (Refer to Section 1-3-2.)
P2
P1
1 Five screws
Conductive cushion
1-8
Upper side
2 Z-SUS board
P4
P6
Conductive cushion
P5
FWD-42PX2
1-3-10. XL Board/XR Board
. Remove the rear cabinet assembly. (Refer to Section 1-3-1.)
. Remove the bezel assembly. (Refer to Section 1-3-2.)
. Remove the A block assembly. (Refer to Section 1-3-6.)
1 Four screws
2 Two frame modules
8 Five screws
7 XL board
Upper side
6 Six screws
P210
3 Seven
screws
P208
P207
P206
P10
P205
P204
5 Flexible retainer
P108
P201
P202
P203
Conductive cushion
P11
P107
P106
P110
P105
P104
P103
P102
9 XR board
4 Six screws
P101
FWD-42PX2
1-9
1-3-11. Plasma Display Panel
. Remove each part. (Refer to Sections 1-3-1 to 1-3-10.)
9 Five covers
3 Two screws
4 AC socket
support
!/ Five screws
!- G board bracket
7 Four screws
8 Speaker bracket
supports
5 Screw
6 Bracket
2 Bracket
Upper side
1 Screw
!= Plasma
display
panel
Conductive cushion
1-10
FWD-42PX2
1-4. Service Position
1-4-1. Service Position of A Board
m
. When attaching this unit to the stands, be sure to work with two persons.
. After attaching this unit to the stands, make sure that the knobs are securely inserted into the holes of
the stands.
. When assembling the service position, be sure to repair after removing the rear cabinet.
A board
Unit
1 Knobs
Unit
1 Knobs
2 Four screws
Stands
Insert the four knobs into
the holes of stands.
Unit
FWD-42PX2
Stands
1-11
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