Sony PFM42X1 Schematic

FLAT PANEL DISPLAY

PFM-42X1
PFM-42X1N

COMPONENT/RGB ACTIVE THROUGH ADAPTOR

BKM-V12

SPEAKER SYSTEM

SS-SP20B
SS-SP20S

REMOTE COMMANDER

RM-971

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.

PFM-42X1/42X1N

CAUTION

ADVARSEL

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.

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.

Lithiumbatteri - Eksplosjonsfare.

Ved utskifting benyttes kun batteri som

anbefalt av apparatfabrikanten.

Brukt batteri returneres

apparatleverandøren.

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.

Lithiumbatteri-Eksplosionsfare ved fejlagtig

Levér det brugte batteri tilbage til leverandøren.

PFM-42X1/42X1N

ADVARSEL!

håndtering.

Udskiftning må kun ske med batteri

af samme fabrikat og type.

1 (P)

For the customers in the Netherlands
Voor de klanten in Nederland

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).

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.

2 (P)

PFM-42X1/42X1N

Table of Contents

1. Service Overview

1-1. Appearance Figure ...................................................................................... 1-1

1-2. Board Locations .......................................................................................... 1-1

1-3. Disassembly ................................................................................................ 1-2

1-3-1. BKM-V10 .................................................................................. 1-4

1-3-2. Rear Cover Assembly ................................................................ 1-4

1-3-3. Bezel Assembly 1 ....................................................................... 1-5

1-3-4. Bezel Assembly 2 ....................................................................... 1-6

1-3-5. Plasma Display Panel 1 ..............................................................1-7

1-3-6. Plasma Display Panel 2 ..............................................................1-8

1-3-7. Litium Battery ............................................................................ 1-9

1-3-8. A Board ...................................................................................... 1-9

1-3-9. CTRL Board ............................................................................. 1-10

1-3-10. XRB Board and XLB Board .................................................... 1-10

1-3-11. XRT Board and XLT Board ..................................................... 1-11

1-3-12. YDB Board and YDT Board .................................................... 1-12

1-3-13. Z-SUS Board ............................................................................1-12

1-3-14. Y-SUS Board ........................................................................... 1-13

1-4. Warning on Power Connection ................................................................. 1-13

2. Electrical Adjustment

2-1. Setup Adjustment ........................................................................................2-1

2-2. White Balance Adjustment ......................................................................... 2-1

2-2-1. Initialization ............................................................................... 2-1

2-2-2. AD Calibration ........................................................................... 2-1

2-2-3. White Balance Adjustment ........................................................ 2-2

2-2-4. Shipment Condition Setting ....................................................... 2-2

2-3. Panel Adjustment ........................................................................................ 2-3

2-3-1. Application Object ..................................................................... 2-3

2-3-2. Notes .......................................................................................... 2-3

2-3-3. Adjustment Items ....................................................................... 2-3

2-3-4. Adjusting the Board Group (Applying the Tools) ..................... 2-3

2-3-5. Adjustment after Assembling (PDP Module Adjustment) ......... 2-4

2-4. Troubleshooting .......................................................................................... 2-7

2-4-1. Checking for No Picture ............................................................. 2-7

2-4-2. Hitch Diagnosis Based on the Display Condition ......................2-9

2-4-3. Checking for Component Damage ...........................................2-12

PFM-42X1/42X1N

1

3. Troubleshooting Guide

3-1. Out of Order on Power ................................................................................3-1

3-2. No Raster State ............................................................................................ 3-3

3-3. Sound Troubleshooting ............................................................................... 3-7

4. Spare Parts

4-1. Notes on Repair Parts .................................................................................. 4-1

4-2. Exploded Views .......................................................................................... 4-2

2

PFM-42X1/42X1N

1-1. Appearance Figure

Section 1

Service Overview

1-2. Board Locations

H2 (User control)

T (L) (SP)

H1 (SW)

TEMP

A (Main)

BKM-V10

L (Audio)

YDT

G (Power)

DDC CI

T (R) (SP)

XRT

CTRL

XLT

Z-SUS

PFM-42X1/42X1N

YDB

XRB

XLB

Y-SUS

1-1

1-3. Disassembly

1-3-1. BKM-V10

1-3-5. Plasma Display Panel 1

1-3-2. Rear Cover Assembly

A

1-3-3. Bezel Assembly 1

Upper
Side

Upper
Side

1-3-4. Bezel Assembly 2

Upper
Side

Upper
Side

1-3-6. Plasma Display Panel 2

Upper
Side

Upper
Side

Upper
Side

1-2

Upper
Side

Upper
Side

PFM-42X1/42X1N

A

1-3-11. XRT Board and XLT Board

1-3-7. Lithium Battery

Upper
Side

Upper
Side

1-3-12. YDB Board and YDT Board

1-3-8. A Board

Upper
Side

Upper
Side

For removal procedure, refer to
"Plasma Display Panel 1.2".

1-3-10. XRB Board and XLB Board

For removal procedure, refer to
"Plasma Display Panel 2".

1-3-14. Y-SUS Board

Upper
Side

1-3-13. Z -SUS Board

Upper
Side

1-3-9. CTRL Board

Upper
Side

PFM-42X1/42X1N

Upper
Side

1-3

1-3-1. BKM-V10

CN7

A (Main) board

2 BKM-V10

1

Loosen the two screws.

1-3-2. Rear Cover Assembly

2 Four hooks

4 Fourteen screws

1 Four screws

3 Ten screws

5

Rear cover assembly

1-4

Upper
Side

Conductive cushion

PFM-42X1/42X1N

1-3-3. Bezel Assembly 1

Upper
Side

1

Peel off the four tapes.

2

Peel off the four tapes.

Conductive cushion

Two brackets

8

9

Two s

crews

CN1101

!-

Multi button,

H2 board, Bracket

5 Three screws

P501

0

Temp board

CN1302

Upper
Side

6 T board (R),

Two brackets

Four screws

7

CN1304

3

Two screws

T board (L),

4

Two brackets

Conductive cushion

PFM-42X1/42X1N

1-5

1-3-4. Bezel Assembly 2

1

Four

screws

2

Screw

3

4

Connector

Four screws

Note : When removing the main chassis,
be sure that the two persons or
more must work together for removal.
Place the removed main chassis on the
conductive cushion.

Upper
Side

Bezel assembly, etc.

7

Frame front assembly

!= Filter glass

Conductive cushion

H1 board

CN201

Upper
Side

Nine screws

6

0

Screw

!- Power button

5

Main chassis

Conductive cushion

8

Two screws

1-6

Bezel assembly

![

Upper
Side

Conductive cushion

9

H1 board

PFM-42X1/42X1N

1-3-5. Plasma Display Panel 1

8

D.C. fan,

5 Three screws

Screw

3

Temp board

4

Upper
Side

Bracket

P501

7 Two screws

6

CN800

AC inlet, AC socket cover

Two screws

1

2

D.C. fan,

Bracket

9 Two screws

DDC CI board

0

Four screws

!-

CN901

Upper
Side

CN302

CN303

CN301

!=

L (Audio)

board

Conductive cushion

PFM-42X1/42X1N

Conductive cushion

1-7

1-3-6. Plasma Display Panel 2

Holder

2

Upper
Side

CN806

CN807

CN802

CN808

CN801

CN803

1

Eight screws

3 G board

5 Four screws

4 Two screws

P9

Conductive cushion

Four screws

6

7 A board, Two frame module

metal assemblies, etc.

8 Plasma display panel

1-8

Upper
Side

Conductive cushion

PFM-42X1/42X1N

1-3-7. Litium Battery

2 Two fans and brackets

1

Four

4

Upper
Side

screws

Shield

3

Four

screws

Lithium battery

5

Conductive cushion

Lithium battery removal

Lithium battery
(CR2032)

Battery holder

Remove the lithium battery in the
direction of arrow.

1-3-8. A Board

Seven screws

1

3 A board

Upper
Side

CN9

CN5

CN2

CN1

CN8

CN23

CN19

CN3

CN22

3

Shield

CN501

2

Six hexagon

screws

PFM-42X1/42X1N

Conductive cushion

1-9

1-3-9. CTRL Board

For removal procedure, refer to
"Plasma Display Panel 2".

2 A board, Two frame module

metal assemblies, etc.

1

G board

Upper
Side

P103

P300

P102

P201

P200

P2

P106

3 Five screws

P105

4 CTRL board

1-3-10. XRB Board and XLB Board

For removal procedure, refer to
"Plasma Display Panel 1.2".

1 AC inlet, AC socket cover

3 A board, Two frame module

metal assemblies, etc.

2

G board

5 XRB board

Upper
Side

4 Three screws

P720

P750

P710

P730

P740

P510

P700

P520

Conductive cushion

6 Three screws

7

P530

XLB board

P540

P550

1-10

Conductive cushion

PFM-42X1/42X1N

1 Nine screws

3 Three screws

4

Remove the XRT board

in the direction of the arrow B.

0 Remove the XLT board
in the direction of the arrow B.

2

Open the G board in the

direction of the arrow A.

Conductive cushion

P340

P330

P320

P350

P310

P300

P110

P120

P130

P140

P100

P150

A

B

G board

8 Open the G board in the

direction of the arrow A.

Conductive cushion

A

B

9 Three screws

Conductive cushion

XRT Board

XLT Board

5

Two s

crews

6

Temp board

7

Multi button,

H2 board, Bracket

Upper
Side

Upper
Side

Upper
Side

1-3-11. XRT Board and XLT Board

PFM-42X1/42X1N

1-11