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Sony SDM-S91 Service Manual
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Sony SDM-S91 Service Manual

Sony SDM-S91 Service Manual

Tft lcd color computer display
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SERVICE MANUAL

LCD panel
Panel type: a-Si TFT Active Matrix
Picture size: 19.0 inch
Input signal format
RGB operating frequency*
Horizontal: 28 – 92 kHz
Vertical: 48 – 85 Hz
Resolution
Horizontal: Max.1280 dots
Vertical: Max.1024 lines
Input signal levels
RGB video signal
SYNC signal
Power requirements
100 – 240 V, 50 – 60 Hz,
Max. 1.5 A
DC input
DC 12 V (supplied AC adapter)
Power consumption
Max. 50 W
Operating temperature
5 – 35
SPECIFICATIONS
0.7 Vp-p, 75 Ω, positive
TTL level, 2.2 kΩ,
positive or negative
(Separate horizontal and vertical,
or composite sync)
0.3 Vp-p, 75Ω, negative
(Sync on green)
°
C
TFT LCD Color Computer DISPLAY
SDM-S91
Canadian Model
Dimensions (width/height/depth)
Display (upright):
Mass
Approx. 7.3 kg (16 lb 2 oz) (with
stand)
Approx. 5.6 kg (12 lb 6 oz)
(without stand)
Plug & Play
DDC2B
* Recommended horizontal and vertical timing condition
• Horizontal sync width duty should be more than 4.8% of total
horizontal time or 0.8 µs, whichever is larger.
• Horizontal blanking width should be more than 2.5 µsec.
• Vertical blanking width should be more than 450 µsec.
Design and specifications are subject to change without notice.
US Model
AEP Model
Approx. 458 × 421 × 235 mm
(18 × 16
1
× 9
1
/
/
inches)
2
4
(with stand)
Approx. 458 × 370 × 64 mm
(18 × 14
1
× 2
1
/
/
inches)
2
2
(without stand)

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  • Page 1: Service Manual

    SDM-S91 US Model SERVICE MANUAL Canadian Model AEP Model SPECIFICATIONS Dimensions (width/height/depth) LCD panel Panel type: a-Si TFT Active Matrix Display (upright): Picture size: 19.0 inch Approx. 458 × 421 × 235 mm Input signal format RGB operating frequency* (18 × 16 ×...
  • Page 2 8. Check the antenna terminals, metal trim, “metallized” knobs, screws, and all other exposed metal parts for AC Leakage. Check leakage as described right. 0.15 µF 1.5 kΩ Voltmeter (0.75 V) Earth Ground Fig. A. Using an AC voltmeter to check AC leakage. SDM-S91(E) 2...
  • Page 3 PARTS LIST ARE CRITICAL FOR SAFE OPERATION. REPLACE REMPLACER QUE PAR UNE PIÈCE PORTANT LE NUMÉRO THESE COMPONENTS WITH SONY PARTS WHOSE PART SPECIFIÉ. LES RÉGLAGES DE CIRCUIT DONT L’IMPORTANCE EST NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN CRITIQUE POUR LA SÉCURITÉ...

  • Page 4: Power Saving Function

    ** “deep sleep” is the power saving mode defined by the Environmental Protection Agency. *** If only the horizontal or vertical sync signal is input to the monitor, the power indicator may alternately flash green and orange. SDM-S91(E) 4...

  • Page 5: Automatic Picture Quality Adjustment Function

    (horizontal: 28 – 92 kHz, vertical: 48 – 85 Hz). Note While the automatic picture quality adjustment function is activated, only the 1 (power) switch will operate. SDM-S91(E) 5...

  • Page 6: Table Of Contents

    1-1. Back Cabinet and TFT Panel Removal ....1-2. Keyboard Mount Removal ........1-3. Inverter Mount Removal ........1-4. I/F Board Removal ..........1-5. TFT Panel Removal ..........2. DIAGRAMS 2-1. Circuit Boards Location ........3. EXPLODED VIEWS 3-1. Chassis ..............3-2. Packing Materials ..........SDM-S91(E) 6...

  • Page 7: Disassembly

    SECTION 1 DISASSEMBLY 1-1. CABINET FULL ASSY AND TFT PANEL REMOVAL 1 Four screws (+PTP 4x12) 2 Cabinet full assy Stand assy 3 Two screws (+PTP 4x12) 5 TFT panel 4 CN010 Bezel full assy SDM-S91(E) 1-1...

  • Page 8: Keyboard Mount Removal

    1-2. KEYBOARD MOUNT REMOVAL 1 Three screws (+PTP 3x8) Spacer 2 Keyboard mount Bezel full assy SDM-S91(E) 1-2...

  • Page 9: Inverter Mount Removal

    1-3. INVERTER MOUNT REMOVAL 1 Two screws (+P 3x4) 3 Two screws 2 Inverter shield (+PWH 3x6) 4 CN02 6 CN01 5 CN03 9 Inverter mount 7 CN04 8CN5 SDM-S91(E) 1-3...
  • Page 10 1-4. I/F BOARD MOUNT REMOVAL 1 Three screws (+P 3x4) 1 Three screws (+P 3x4) 2 I/F cover 8 Six screws (+PWH 3x6) 6 CN008 9 I/F board mount 7 CN009 5 Two connector screws 3 Screw (+P 3x4) 4 Stopper plate SDM-S91(E) 1-4...

  • Page 11: Tft Panel Removal

    1-5. TFT PANEL REMOVAL 1 Two screws (+PWH 3x6) 2 Cabinet assy 1 Two screws (+PWH 3x6) TFT Panel SDM-S91(E) 1-5...

  • Page 12: Diagrams

    SECTION 2 DIAGRAM 2-1. CIRCUIT BOARDS LOCATION Keyboard mount I/F mount Inverter mount SDM-S91 (E)

  • Page 13: Exploded Views

    The components identified ! marked are critical for safety. Replace only with the part number specified. Les composants identifiés par la marque sont critiques pour la sécurité. Ne les remplacer que par une pièce portant le numéro spécifié. SDM-S91(E) 3-1...

  • Page 14: Chassis

    3 x 6 X-4041-119-1 ASSY, CABINET FULL (U/C) PTP 3x8 X-4041-306-1 ASSY, CABINET FULL (AEP) * 4-092-089-01 LABEL, INFORMATION (U/C) * 4-092-089-11 LABEL, INFORMATION (AEP) PTP4 x 12 PSW4 x 10 K3 x 8 PTP3 x 8 P4 x 10 SDM-S91(E) 3-2...

  • Page 15: Packing Materials

    * 4-092-719-01 INDIVIDUAL CARTON (AEP) 54 55 56 57 58 * 4-092-106-01 CUSHION (UPPER) * 4-092-107-01 CUSHION (LOWER) 1-477-232-13 ADAPTOR AC (U/C) 1-477-232-14 ADAPTOR AC (AEP) 1-765-718-11 CORD SET, POWER (U/C) 1-824-308-11 CABLE, SIGNAL (HD15-HD15) 4-092-714-01 DISC, INFORMATION(CD-ROM) (U/C) 4-087-260-32 MANUAL, INSTRUCTION SDM-S91(E) 3-3...
  • Page 16 English 2002LL08-Data Sony EMCS Corporation Made in Japan Ichinomiya Tec  2002. 12 9-978-758-01 SDM-S91(E) 16...

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