Sony RM-971, SS-SP20B, BKM-V11, BKM-V10, PFM-42V1P Service Manual

FLAT PANEL DISPLAY

PFM-42V1
PFM-42V1A
PFM-42V1E
PFM-42V1P

VIDEO INPUT ADAPTOR

BKM-V10

COMPONENT/RGB INPUT ADAPTOR

BKM-V11

SPEAKER SYSTEM

SS-SP20B

REMOTE COMMANDER

RM-971

SERVICE MANUAL
1st Edition (Revised 1)

! 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.

WARNING!!

AN INSULATED TRANSFORMER SHOULD BE USED DURING
ANY SERVICE TO AVOID POSSIBLE SHOCK HAZARD, BE­CAUSE OF LIVE CHASSIS.
THE CHASSIS OF THIS RECEIVER IS DIRECTLY CONNECTED
TO THE AC POWER LINE.

SAFETY-RELATED COMPONENT WARNING !!

COMPONENTS IDENTIFIED BY A
DIAGRAMS, EXPLODED VIEWS AND IN THE PARTS LIST ARE
CRITICAL TO SAFE OPERATION. REPLACE THESE COMPO­NENTS WITH SONY PAR TS WHOSE P ART NUMBERS APPEAR
AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB­LISHED BY SONY . CIRCUIT ADJUSTMENTS THA T ARE CRITI­CAL TO SAFE OPERATION ARE IDENTIFIED IN THIS MANU AL.
FOLLOW THESE PROCEDURES WHENEVER CRITICAL COM­PONENTS ARE REPLACED OR IMPROPER OPERATION IS
SUSPECTED.

!!

! MARK ON THE SCHEMA TIC

!!

ATTENTION!!

AFIN D’ÉVITER TOUT RISQUE D’ÉLECTROCUTION
PROVENANT D’UN CHÂSSIS SOUS TENSION, UN
TRANSFORMA TEUR D’ISOLEMENT DOIT ETRE UTILISÉ LORS
DE TOUT DÉPANNA GE.
LE CHÂSSIS DE CE RÉCEPTEUR EST DIRECTEMENT
RACCORDÉ Á L’ALIMENTATION SECTEUR.

ATTENTION AUX COMPOSANTS RELATIFS Á LA

SÉCURITÉ!!

LES COMPOSANTS IDENTIFIÉS PAR UNE MAPQUE
LES SCHÉMAS DE PRINCIPE, LES VUES EXPLOSÉES ET LES
LISTES DE PIECES SONT D’UNE IMPORTANCE CRITIQUE
POUR LA SÉCURITÉ DU FONCTIONNEMENT. NE LES
REMPLACER QUE PAR DES COMPOSANTS SONY DONT LE
NUMÉRO DE PIÈCE EST INDIQUÉ DANS LE PRÉSENT MANUEL
OU DANS DES SUPPLÉMENTS PUBLIÉS PAR SONY. LES
RÉGLAGES DE CIRCUIT DONT L’IMPORT ANCE EST CRITIQUE
POUR LA SÉCURITÉ DU FONCTIONNEMENT SONT
IDENTIFIÉS DANS LE PRÉSENT MANUEL. SUIVRE CES
PROCÉDURES LORS DE CHAQUE REMPLACEMENT DE
COMPOSANTS CRITIQUES, OU LORSQU’UN MAUVAIS
FONCTIONNEMENT EST SUSPECTÉ.

PFM-42V1/42V1A/42V1E/42V1P

!!

! SUR

!!

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

Udskiftning må kun ske med batteri

af samme fabrikat og type.

Levér det brugte batteri tilbage til leverandøren.

PFM-42V1/42V1A/42V1E/42V1P

ADVARSEL!

håndtering.

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-42V1/42V1A/42V1E/42V1P

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. OP-1 Board and Blank Panel ..................................................... 1-2

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

1-3-3. G (Power) Board ........................................................................1-3

1-3-4. A (Main) Board ..........................................................................1-4

1-3-5. L (Audio) Board and AC Inlet ...................................................1-5

1-3-6. I (Connection) Board.................................................................. 1-5

1-3-7. T-R/T-L (SP), TEMP, H2 (User Control) Boards..................... 1-6

1-3-8. Bezel Assembly-1 ...................................................................... 1-7

1-3-9. Bezel Assembly-2 ...................................................................... 1-8

1-3-10. Plasma Display Panel-1.............................................................. 1-9

1-3-11. Plasma Display Panel-2............................................................ 1-10

1-3-12. YDB, YDT Boards...................................................................1-11

1-3-13. Y-SUS Board ........................................................................... 1-11

1-3-14. CTRL Board.............................................................................1-12

1-3-15. XR Board ................................................................................. 1-13

1-3-16. Z-SUS Board ............................................................................ 1-13

1-4. Warning on Power Connection .................................................................1-14

2. Electrical Adjustment

2-1. Set Up Adjustment ......................................................................................2-1

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

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

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

2-2-3. 11000 K Color Adjustment ........................................................2-2

2-2-4. 9300 K Color Adjustment ..........................................................2-2

2-2-5. 6500 K Color Adjustment ..........................................................2-2

2-2-6. Adjustment for the Power Board When the Panel is Replaced..2-3

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

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

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

2-3-3. Adjustment Items .......................................................................2-4

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

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

PFM-42V1/42V1A/42V1E/42V1P

1

3. Troubleshooting Guide

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

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

3-3. Sound Troubleshooting ...............................................................................3-6

3-4. No Raster on Analog Signal........................................................................3-7

3-5. Trouble Shooting for Panel .........................................................................3-8

3-5-1. Checking for No Picture............................................................. 3-8

3-5-2. Hitch Diagnosis Following Display Condition ........................3-10

4. Spare Parts

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

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

2

PFM-42V1/42V1A/42V1E/42V1P

1-1. Appearance Figure

Section 1

Service Overview

PFM-42V1
PFM-42V1A
PFM-42V1E

1-2. Board Locations

H-2 (USER CONTROL)

I (CONNECTION)

T-R (SP)

H-1 (SW)

TEMP

A (MAIN)

PFM-42V1P

G (POWER)

L (AUDIO)

T-L (SP)

Z-SUS

PFM-42V1, PFM-42V1A, PFM-42V1P
OP-1 (BKM-V10)
BKM-V11 (Available Separately)

PFM-42V1E
BKM-V10 (Available Separately)
BKM-V11 (Available Separately)

PFM-42V1/42V1A/42V1E/42V1P

YDT

YDB

Y-SUS

XR

CTRL

1-1

1-3. Disassembly

1-3-1. OP-1 Board and Blank Panel

CN304

I (Connection) board

Blank panel
PFM-42V1E (Only)

Two screws

PFM-42V1, PFM-42V1P,
PFM-42V1A

Loosen the two screws.

PFM-42V1, PFM-42V1P,
PFM-42V1A

BKM-V11
(Available Separately)

Loosen the two screws.

OP-1 board
(BKM-V10)

PFM-42V1E

BKM-V10 (Available Separately)
BKM-V11 (Available Separately)

Loosen the two screws.

1-2

PFM-42V1/42V1A/42V1E/42V1P

1-3-2. Rear Cover Assembly

3 Four screws

4 Fourteen screws

1 Four screws

2 Four knobs

5 Twelve screws

6 Rear cover assembly

Conductive cushion

UPPER
SIDE

1-3-3. G (Power) Board

. Remove the rear cover assembly. (Refer to 1-3-2.)

1 Eight screws

2 G (Power) board,

DC fan

CN01

CN801

CN802

CN23

CN803

CN805

CN807

CN806

Conductive cushion

PFM-42V1/42V1A/42V1E/42V1P

UPPER
SIDE

1-3

1-3-4. A (Main) Board

. Remove the rear cover assembly. (Refer to 1-3-2.)

2 DC fan,
Bracket

1 Seven screws

3 A (Main) board, Cover,

AC inlet

Conductive cushion

Lithium battery removal

Lithium battery
(CR2032)

Battery holder
Remove the lithium battery in the

direction of arrow.

CN23

CN3

CN22

UPPER
SIDE

CN9

CN19

CN8

CN501

4 Six screws

CN7

CN1

5 Cover, AC inlet

CN6

CN2

6 A (Main) board

CN15

1-4

PFM-42V1/42V1A/42V1E/42V1P

1-3-5. L (Audio) Board and AC Inlet

. Remove the rear cover assembly. (Refer to 1-3-2.)

P301

1 Five screws

CN01

4 Two screws

6 Plug holder (A)

P302

2 DC Fan,
Bracket

UPPER
SIDE

P303

1-3-6. I (Connection) Board

. Remove the OP-1 board and blank panel. (Refer to 1-3-1.)
. Remove the rear cover assembly. (Refer to 1-3-2.)

6 Shield

7 AC inlet

5 Screw

3 L (Audio) board

Conductive cushion

4 Three screws

Conductive cushion

PFM-42V1/42V1A/42V1E/42V1P

5 Remove soldering from
the two points

3 Shield

UPPER
SIDE

1 Screw

P303

P304

P305

7 I (Connection) board

Blank panel
PFM-42V1E (Only)

OP-1 Board
PFM-42V1, PFM-42V1P,

PFM-42V1A

2 Four claws

1-5

1-3-7. T-R/T-L (SP), TEMP, H2 (User Control) Boards

. Remove the rear cover assembly. (Refer to 1-3-2.)

6 TEMP board

4 T-L (SP) board

5 Screw

CN501

P1201

7 Screw

3 Two screws

UPPER
SIDE

CN501

8 TEMP board

9 Screw

CN501

0 TEMP board

1 Two screws

Conductive cushion

2 T-R (SP) board

P1201

1-6

!= Seven claws

P1101

!- Screw

![ Multi button

UPPER
SIDE

!] H-2 (User Control) board

Conductive cushion

PFM-42V1/42V1A/42V1E/42V1P

1-3-8. Bezel Assembly-1

. Remove the rear cover assembly. (Refer to 1-3-2.)

7 Two screws

8 T-L (SP) board,

Bracket

UPPER
SIDE

3 Two claws

1 Two screws

2 TEMP board, Bracket
4 H2 (User control) board,

Multi button, Multi button bracket

5 Two screws

6 T-R (SP) board,

Bracket

Conductive cushion

!- Main chassis

A (Main) board

0 Four screws

9 Two 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.

Main chassis

Conductive cushion

UPPER
SIDE

!= Bezel assembly,
Filter glass

CN22

Conductive cushion

PFM-42V1/42V1A/42V1E/42V1P

1-7

1-3-9. Bezel Assembly-2

. Remove the bezel assembly-1. (Refer to 1-3-8.)

3 Frame front assembly

8 Bezel assembly,

Filter glass

1 Ten screws

2 Remove the harness

in the direction of the arrow.
Note: Be careful not to damage the harness.

4 Two screws

6 Screw

P1201

Precaution during frame front
assembly installation

Conductive cushion

0 Bezel assembly

UPPER
SIDE

When installing frame front assembly
insert it in the groove.

5 H1 (SW) board

7 Power button

9 Filter glass

Frame front assembly

Bezel assembly

Conductive cushion

Precaution during filter glass installation

When installing bezel assembly insert it in the groove.

1-8

Filter glass

Bezel assembly

PFM-42V1/42V1A/42V1E/42V1P

1-3-10.Plasma Display Panel-1

. To remove the plasma display panel, remove the related parts beforehand.

3 Remove the L (Audio) board,
DC fan, bracket. (Refer to 1-3-5.)

UPPER
SIDE

1 Remove the rear cover assembly.
(Refer to 1-3-2.)

2 Remove the G (Power) board, DC fan.
(Refer to 1-3-3.)

7 Plasma display panel-1

4 Remove the T-L, T-R (SP) boards.

(Refer to 1-3-8.)

PFM-42V1/42V1A/42V1E/42V1P

6 Remove the bezel assembly, Filter glass,
H1 (SW) board. (Refer to 1-3-8.)

5 Remove the H2 (User control), TEMP boards,
Multi button. (Refer to 1-3-8.)

1-9

1-3-11.Plasma Display Panel-2

. Remove the plasma display panel-1. (Refer to 1-3-10.)

P31

4 Connector assembly (31P)

7 A (Main) board,

Cover, AC inlet

2 Shield

Conductive cushion

UPPER
SIDE

6 Screw

J501

5 Five screws

1 Three screws

3 I (Connection) board, Cover,

OP-1 board

0 Two module frame metals,
Support frame metals

!] Plasma display panel

8 Four screws

9 TEMP board, Bracket

!- Screw

!= Cable holder

![ X board shield

Conductive cushion

1-10

UPPER
SIDE

PFM-42V1/42V1A/42V1E/42V1P

1-3-12.YDB, YDT Boards

. Remove the rear cover assembly. (Refer to 1-3-2.)

4 Three screws

5 Bracket

9 YDT board

6 DC fan,

Bracket

P1

P3

P2

P4

P3

P4

UPPER
SIDE

P5

P8

P7

P6

7 Board to board

3 Three screws

8 YDB board

1 Two screws

2 T-R (SP) board,

Bracket

Conductive cushion

1-3-13.Y-SUS Board

. Remove the YDB, YDT boards. (Refer to 1-3-12.)

P6

P5

1 Six screws

YDT board

2 Cable holder

P1

P4

P3

P2

4 Remove the Y-SUS board
in the direction of the arrow.

3 Board to board

YDB board

Conductive cushion

UPPER
SIDE

PFM-42V1/42V1A/42V1E/42V1P

1-11