GDM-500PS/500PST/500PST9 SERVICE MANUAL GDM-500PS US Model Canadian Model REVISED S. Hemisphere Model Equator Model Chassis No. SCC-L04E-A GDM-500PST/GDM-500PST9 AEP Model Chassis No. SCC-L04B-A CHASSIS SPECIFICATIONS Picture tube 0.25 – 0.27 mm aperture grille pitch 21 inches measured diagonally 90-degree deflection Viewable image size Approx.
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VIEWS AND IN THE PARTS LIST ARE CRITICAL FOR Parts on Set SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS AP- PEAR AS SHOWN IN THIS MANUAL OR IN SUPPLE- MENTS PUBLISHED BY SONY. CIRCUIT ADJUST- MENTS THAT ARE CRITICAL FOR SAFE OPERATION ARE IDENTIFIED IN THIS MANUAL.
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GDM-500PS/500PST/500PST9 POWER SAVING FUNCTION This monitor meets the power-saving guidelines set by VESA and Note Energy Star, as well as the more stringent NUTEK . If no video signal is input to the monitor, the “NO INPUT SIG- If the monitor is connected to a computer or video graphics board NAL”...
GDM-500PS/500PST/500PST9 TABLE OF CONTENTS Section Title Page 1. GENERAL ..............1-1 2. DISASSEMBLY 2-1. Cabinet Removal ..........2-1 2-2. D Board Removal ..........2-1 2-3. G Board Removal ..........2-2 2-4. A or A3 Board Removal ........2-2 2-5. L or L3 Board Removal ........2-3 2-6.
SECTION 1 The operating instructions mentioned here are partial abstracts from the Operating Instruction Manual. The page numbers of GENERAL the Operating Instruction Manual remain as in the manual. Getting Started Getting Started Getting Started If your PC system is not compatible with DDC2AB Identifying Parts and Controls Setup and DDC2B+...
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In this case, select this signal. If this happens, manually select the desired signal monitor‘s model name (GDM-500PS) as “Monitor type” in using the INPUT button. For more information on using the OSD, see “Introducing Windows 95.
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Customizing Your Monitor Getting Started Customizing Your Monitor Customizing Your Monitor Before adjusting Introducing the On-screen Using the CENTER On-screen Using the SIZE On-screen Display • Connect the monitor and the computer, and turn them on. • Select “ LANG” in the MENU OSD, then select Display System Display The SIZE settings allow you to adjust the size of the picture.
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Getting Started Customizing Your Monitor Customizing Your Monitor Press the >?// buttons to adjust the settings. Using the GEOM (Geometry) On- Using the ZOOM On-screen Using the COLOR On-screen Display screen Display Display You can change the monitor’s color temperature. For example, you can adjust or change the colors of a picture on The GEOM (geometry) settings allow you to adjust the The ZOOM settings allow you to enlarge or reduce the...
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Getting Started Customizing Your Monitor Customizing Your Monitor Fine tuning the color temperature Select Press Using the SCREEN On-screen Press the ¨./> buttons to select an item and adjust by select one of the four corners that / . . . to shift red shadows up and blue pressing the >?// buttons.
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Getting Started Customizing Your Monitor Customizing Your Monitor Changing the on-screen display position Setting the power saving delay time Locking the controls Using the OPTION On-screen Display You can set the delay time before the monitor enters the The control lock function disables all of the buttons on the You can change the OSD position (for example, when you want to adjust the picture behind the OSD).
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Getting Started Technical Features Technical Features Customizing Your Monitor For input signals that do not match one of the factory preset Using the LANG (Language) On- Resetting the Adjustments Preset and User Modes modes, the digital Multiscan technology of this monitor performs all of the adjustments necessary to ensure that a screen Display clear picture appears on the screen for any timing in the...
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• Due to the relationship between resolution, monitor dot pitch and the pitch of some image If using Windows 95 • If you cannot find “GDM-500PS” among the Sony monitors in the Windows 95 monitor patterns, certain screen backgrounds sometimes show moire. Change your desktop pattern.
GDM-500PS/500PST/500PST9 SECTION 2 DISASSEMBLY 2-1. CABINET REMOVAL Four screws (+ BVTP 4 x 16) Screw cover Four screws (+ BVTT 4 x 8) Two claws Top cover Screw cover Cabinet Four screws (+ BVTT 4 x 8) Video shield 2-2. D BOARD REMOVAL...
GDM-500PS/500PST/500PST9 2-3. G BOARD REMOVAL Two screws (+BVTP 3 x 10) Screw (+ BVTT 4 x 8) G shield Two screws (+ BVTT 4 x 8) G board Three hooks Open the G block in the direction Two printed circuit board holders of the arrow .
GDM-500PS/500PST/500PST9 2-5. L or L3 BOARD REMOVAL Note:L complete board and L3 complete board have interchangeability though it is a little different because the material of the circuit board is different. CN5001 CN5004 CN5002 CN5003 L or L3 board Four printed circuit board holders 2-6.
GDM-500PS/500PST/500PST9 2-7. SERVICE POSITION CAUTION : SHORT D,G boards Rear shield If the claw is hooked, opening and closing the board is impossible. Do not try to do it by force. D board (Refer to 2-2.) A or A3 board (Refer to 2-4.)
GDM-500PS/500PST/500PST9 2-9. PICTURE TUBE REMOVAL Open the D block (Refer to 2-2.) Four screws (+ BVTT 4 x 8) Two connectors 6P (DY) A or A3 board 10P (DY) Anode cap Open the G block (Refer to 2-3.) Neck assy...
GDM-500PS/500PST/500PST9 SECTION 3 SAFETY RELATED ADJUSTMENT When replacing or repairing the shown below table, the a) HV Regulator Circuit Check following operational checks must be performed as a 1) Confirm that the voltage of the pin 2 of CN901 on safety precaution against X-rays emissions from the unit.
GDM-500PS/500PST/500PST9 SECTION 4 ADJUSTMENTS Note: Hand degauss must be used on stand-by or power-off condition. This model has an automatic earth magnetism correction function by using an earth magnetism sensor and a LCC coil. When using a hand degauss while monitor (LCC coil) is being operated, it sometimes gets magnetized, and the system may not work properly as a result.
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GDM-500PS/500PST/500PST9 Connect the communication cable of the computer to the connector located on the D board on the monitor. Run the service software and then follow the instruction. 1-690-391-21 A-1500-819-A 3-702-691-01 Interface Unit Connector Attachment IBM AT Computer To BUS CONNECTOR...
SECTION 5 DIAGRAMS 5-1. BLOCK DIAGRAMS TO FBT FV1 FV2 HV IC401 IC402 IC403 RGB SWITCH RGB PRE-AMP RGB OUT V901 PICTURE TUBE CN402 Q101 R IN 2 R_IN2 R_OUT R_IN R_OUT R_IN R_OUT G IN 2 G_IN2 G_IN G_OUT BUFFER Q201 B IN 2...
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CN520 CN504 CN512 (µ-COM,DEFLECTION) (POWER SW) LLC_RB POWER LLC_RT CN891 H CONV HTR_SW LLC_LB S891 V CONV STBY 8V LLC_LT AC L IN POWER LLC_LB AC L OUT CN511 C.SYNC_1 V.SYNC_1 C.SYNC_2 PS504 V.SYNC_2 CN605 DDC_SDA_1 IC002 IC001 IC006 DDC_SCL_1 5V REG DDC_SDA_2 (POWER SUPPLY)
5-3. CIRCUIT BOARDS LOCATION L or L3 5-2. FRAME SCHEMATIC DIAGRAM Note: The components identified by shading and mark A or A3 ! are critical for safety. Replace only with part number specified. CONNECTOR PANEL R IN 1 Note: A complete board and A3 complete R GND 1 CN401 G IN 1...
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— D BOARD (Conductor Side) — — D BOARD (Component Side) — -COM, DEFLECTION • D BOARD SEMICONDUCTOR LOCATION Q660 D–2 D513 E–1 Q661 D–2 D514 A–4 A–1 – Conductor Component Side Side Q701 D–1 D–4 – D516 D–2 Q703 C–1 C–4 –...
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(1) Schematic Diagram of D Board • D BOARD WAVEFORMS • D BOARD VOLTAGE LIST Ref. Pin No. Voltage [V] Ref. Pin No. Voltage [V] IC002 11.2 ROTATION+ TO L or L3 BOARD TO L or L3 BOARD ROTATION- CN5002 CN5001 5.0 Vp-p (4MHz) 4.3 Vp-p (H)
(2) Schematic Diagrams of G, GA, H, J and L or L3 Boards • GA BOARD VOLTAGE LIST STBY+5V (POWER SENSOR) +15V C811 Ref. Pin No. Voltage [V] R812 R813 • L or L3 BOARD IC5101, 5301, 5401 LA6510 Q7504 IC7501 2SA1037AK INPUT2...
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(ga) Note: L complete board and L3 complete L or L3 board have interchangeability though V.STAT, H.STAT, LLC, it is a little different because the POWER SUPPLY USER CONTROL POWER SENSOR GEO MAGNETIC SENSOR material of the circuit board is different.
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Note: A complete board and A3 complete A or A3 board have interchangeability though VIDEO AMP it is a little different because the • A or A3 BOARD RGB OUT material of the circuit board is SEMICONDUCTOR different. LOCATION — A or A3 BOARD (Conductor Side) — —...
GDM-500PS/500PST/500PST9 SECTION 6 EXPLODED VIEWS • Items with no part number and no • Items marked " * " are not stocked since The components identified by shading description are not stocked because they they are seldom required for routine ¡...
GDM-500PS/500PST/500PST9 6-2. PICTURE TUBE The components identified by shading Les composants identifiés par un tramé 7-685-663-71 +BVTP 4X16 ¡ ¡ and mark are critical for safety. et une marque sont critiques pour la ¢ 7-685-881-09 +BVTT 4X8 Replace only with part number specified.
GDM-500PS/500PST/500PST9 6-3. PACKING MATERIALS The components identified by shading Les composants identifiés par un tramé [EQ, SH model] ¡ ¡ and mark are critical for safety. et une marque sont critiques pour la Replace only with part number specified. sécurité. Ne les remplacer que par une pièce portant le numéro spécifié.
GDM-500PS/500PST/500PST9 6-4. PACKING MATERIALS The components identified by shading Les composants identifiés par un tramé [U/C, AEP model] ¡ ¡ and mark are critical for safety. et une marque sont critiques pour la Replace only with part number specified. sécurité. Ne les remplacer que par une pièce portant le numéro spécifié.
GDM-500PS/500PST/500PST9 GDM-500PS/500PST/500PST9 The components identified by shading Les composants identifiés par un tramé SECTION 7 ¡ ¡ and mark are critical for safety. et une marque sont critiques pour la Replace only with part number specified. sécurité. Ne les remplacer que par une...
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GDM-500PS/500PST/500PST9 The components identified by shading Les composants identifiés par un tramé ¡ ¡ and mark are critical for safety. et une marque sont critiques pour la Replace only with part number specified. A or A3 sécurité. Ne les remplacer que par une pièce portant le numéro spécifié.
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GDM-500PS/500PST/500PST9 The components identified by shading Les composants identifiés par un tramé ¡ ¡ and mark are critical for safety. et une marque sont critiques pour la Replace only with part number specified. sécurité. Ne les remplacer que par une A or A3 pièce portant le numéro spécifié.
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GDM-500PS/500PST/500PST9 The components identified by shading Les composants identifiés par un tramé ¡ ¡ and mark are critical for safety. et une marque sont critiques pour la Replace only with part number specified. sécurité. Ne les remplacer que par une A or A3 pièce portant le numéro spécifié.
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GDM-500PS/500PST/500PST9 The components identified by shading Les composants identifiés par un tramé ¡ ¡ and mark are critical for safety. et une marque sont critiques pour la (ga)(g) Replace only with part number specified. sécurité. Ne les remplacer que par une A or A3 pièce portant le numéro spécifié.
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GDM-500PS/500PST/500PST9 The components identified by shading Les composants identifiés par un tramé ¡ ¡ and mark are critical for safety. et une marque sont critiques pour la Replace only with part number specified. sécurité. Ne les remplacer que par une pièce portant le numéro spécifié.
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GDM-500PS/500PST/500PST9 The components identified by shading Les composants identifiés par un tramé ¡ ¡ and mark are critical for safety. et une marque sont critiques pour la Replace only with part number specified. sécurité. Ne les remplacer que par une pièce portant le numéro spécifié.
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GDM-500PS/500PST/500PST9 The components identified by shading Les composants identifiés par un tramé ¡ ¡ and mark are critical for safety. et une marque sont critiques pour la (g)(d) Replace only with part number specified. sécurité. Ne les remplacer que par une pièce portant le numéro spécifié.
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GDM-500PS/500PST/500PST9 The components identified by shading Les composants identifiés par un tramé ¡ ¡ and mark are critical for safety. et une marque sont critiques pour la Replace only with part number specified. sécurité. Ne les remplacer que par une pièce portant le numéro spécifié.
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GDM-500PS/500PST/500PST9 The components identified by shading Les composants identifiés par un tramé ¡ ¡ and mark are critical for safety. et une marque sont critiques pour la Replace only with part number specified. sécurité. Ne les remplacer que par une pièce portant le numéro spécifié.
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GDM-500PS/500PST/500PST9 The components identified by shading Les composants identifiés par un tramé ¡ ¡ and mark are critical for safety. et une marque sont critiques pour la Replace only with part number specified. sécurité. Ne les remplacer que par une pièce portant le numéro spécifié.
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GDM-500PS/500PST/500PST9 The components identified by shading Les composants identifiés par un tramé ¡ ¡ and mark are critical for safety. et une marque sont critiques pour la Replace only with part number specified. sécurité. Ne les remplacer que par une pièce portant le numéro spécifié.
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GDM-500PS/500PST/500PST9 The components identified by shading Les composants identifiés par un tramé ¡ ¡ and mark are critical for safety. et une marque sont critiques pour la Replace only with part number specified. sécurité. Ne les remplacer que par une pièce portant le numéro spécifié.
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GDM-500PS/500PST/500PST9 The components identified by shading Les composants identifiés par un tramé ¡ ¡ and mark are critical for safety. et une marque sont critiques pour la Replace only with part number specified. sécurité. Ne les remplacer que par une pièce portant le numéro spécifié.
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GDM-500PS/500PST/500PST9 The components identified by shading Les composants identifiés par un tramé ¡ ¡ and mark are critical for safety. et une marque sont critiques pour la (h)(j) L or L3 Replace only with part number specified. sécurité. Ne les remplacer que par une pièce portant le numéro spécifié.
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GDM-500PS/500PST/500PST9 The components identified by shading Les composants identifiés par un tramé ¡ ¡ and mark are critical for safety. et une marque sont critiques pour la Replace only with part number specified. L or L3 sécurité. Ne les remplacer que par une pièce portant le numéro spécifié.
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GDM-500PS/500PST/500PST9 The components identified by shading Les composants identifiés par un tramé ¡ ¡ and mark are critical for safety. et une marque sont critiques pour la Replace only with part number specified. sécurité. Ne les remplacer que par une L or L3 pièce portant le numéro spécifié.
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GDM-500PS/500PST/500PST9 The components identified by shading Les composants identifiés par un tramé ¡ ¡ and mark are critical for safety. et une marque sont critiques pour la Replace only with part number specified. sécurité. Ne les remplacer que par une pièce portant le numéro spécifié.