Sony FWD-50PX3 - 50" Plasma Panel User manual

SERVICE MANUAL
1st Edition
FLAT WIDE DISPLAY MONITOR
FWD-50PX3
FLAT PANEL DISPLAY SPEAKER SYSTEM
SS-SP50FW
TV STAND
SU-50FW

FWD-50PX3
!WARNING
This manual is intended for qualified service personnel only.
Toreduce 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-50PX3
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 recommandépar le
constructeur.
Mettre au rebut les batteries usagées conformément
aux instructions du fabricant.
ADVARSEL!
Lithiumbatteri-Eksplosionsfare ved fejlagtig
håndtering.
Udskiftning måkun 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.
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.
Hävitäkäytetty paristo valmistajan ohjeiden
mukaisesti.
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.
1 (P)

1
FWD-50PX3
Table of Contents
Manual Structure
Purpose of this manual ................................................................. 3
Related manuals ........................................................................... 3
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/I Board .................................................... 1-4
1-3-4. G Board/TEMP Board ........................................... 1-5
1-3-5. T Board .................................................................. 1-5
1-3-6. A Block Assembly/DC Fan ................................... 1-6
1-3-7. YDT Board/YDB Board ........................................ 1-7
1-3-8. Y-SUS Board ......................................................... 1-8
1-3-9. CTRL Board .......................................................... 1-8
1-3-10. Z-SUS Board ......................................................... 1-9
1-3-11. XL Board/XC Board/XR Board .......................... 1-10
1-3-12. Plasma Display Panel .......................................... 1-11
1-4. Packing of the Plasma Display Panel ........................... 1-12
1-5. Label Information of Module ....................................... 1-13
1-6. Warning on Power Connection ..................................... 1-15
1-7. Unleaded Solder ............................................................ 1-15
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. White Balance ....................................................... 2-3
2-3. Va/Vs Voltage Adjustment ............................................. 2-4
2-3-1. Required Equipment .............................................. 2-4
2-3-2. Va Voltage Adjustment ......................................... 2-4
2-3-3. Vs Voltage Adjustment ......................................... 2-4
2-4. After Replacing the Y-SUS Board ................................. 2-5
2-4-1. Vsc Voltage Adjustment ....................................... 2-5
2-5. Firmware Version Upgrade ............................................ 2-6
2-6. DEVICEINFO Section ................................................... 2-8
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. Summary of Troubleshooting Guide .............................. 3-3
3-4. Image Trouble ................................................................. 3-4
3-5. Power (G Board) Trouble ............................................... 3-5
3-6. Remote Control Trouble ................................................. 3-6
3-7. Sound Trouble ................................................................ 3-6
3-8. Other Trouble .................................................................. 3-7
3-9. Plasma Display Panel ..................................................... 3-8
3-9-1. Image is not displayed ........................................... 3-8
3-9-2. Vertical image is abnormal ................................... 3-9
3-9-3. Horizontal image is abnormal ............................. 3-10
3-9-4. Mal Discharge ..................................................... 3-10
4. SNMP
4-1. SNMP ............................................................................. 4-1
4-2. Specifications of SNMP Installation .............................. 4-1
4-3. Installation ...................................................................... 4-1
4-4. Operation of SNMP Setting Window ............................. 4-2
4-4-1. Community ............................................................ 4-2
4-4-2. Authentication Trap ............................................... 4-3
4-4-3. IP Restriction of Host ............................................ 4-3
4-5. MIB to Be Installed ........................................................ 4-4
4-6. Information to Be Notified on Trap ................................ 4-4
4-7. ID Talk ............................................................................ 4-4
4-7-1. Default Setting ....................................................... 4-4
4-7-2. Setting Items .......................................................... 4-4
4-7-3. Packet Structure ..................................................... 4-4
4-7-4. Requests and Responses ........................................ 4-5
4-7-5. Items ...................................................................... 4-6
4-7-6. Error Codes ........................................................... 4-7
4-8. FWD-50PX3 Dedicated Protocol ................................... 4-8
4-8-1. Packet Format ........................................................ 4-8

2FWD-50PX3
5. Circuit Description
5-1. Microcomputer ............................................................... 5-1
5-2. Input Signal Selection .....................................................5-1
5-3. Video Decoder and Filter Circuits .................................. 5-1
5-4. Audio Circuit .................................................................. 5-1
5-5. Connection with Panel .................................................... 5-1
5-6. Network .......................................................................... 5-1
6. Spare Parts
6-1. Notes on Repair Parts ..................................................... 6-1
6-2. Exploded Views .............................................................. 6-2
7. Block Diagrams
Overall ............................................................................ 7-1

3
FWD-50PX3
Manual Structure
Purpose of this manual
This manual is the Service Manual of the Flat Wide Display Monitor FWD-50PX3.
This manual contains the service overview, service mode and adjustment, trouble-
shooting, SNMP, spare parts, and block diagrams.
The service of this unit is basically performed by the replacement of board.
Therefore, the schematic diagram, board layout and electrical parts list are not
contained.
Related manuals
In addition to this Service Manual the following manual is provided.
..
..
.“Operating Instructions”
Part No.: 3-269-308-0X
This manual is necessary for application and operation of this unit.
..
..
.“Semiconductor Pin Assignments” CD-ROM (Available on request)
This “Semiconductor Pin Assignments” CD-ROM allows you to search for
semiconductors used in Broadcast and Professional equipment.
This manual contains a complete list of semiconductors and their ID Nos., and
thus should be used together with the CD-ROM.
Part number: 9-968-546-06

1-1
FWD-50PX3
Section 1
Service Overview
1-1. Appearance Figure
1-2. Board Location
123
456
789
C0
SET
H2 board
H1 board
YDB board
YDT board
Y-SUS board
Z-SUS board
XR board
XC board
T board
A board
CTRL board
XL board
I board
TEMP board
TEMP board
TEMP board
G board

1-2 FWD-50PX3
1-3. Disassembly
n
.In this section, remove parts in the order of numbers shown in the figure.
.When removing/installing the cabinet and replacing the board, place the unit on the conductive cushion.
1-3-1. Rear Cabinet Assembly
1Two panel
securing screws
4BKM-FW21
Conductive cushion
2BKM-FW10
3Two panel securing screws
7Eighteen screws
8Fifteen screws
9Hold the four handles and remove
the rear cabinet assembly.
0Rear cabinet assembly
Upper side
5Four screws
6Four knobs