Sony SDM-S81R Service Manual
Sony SDM-S81R Service Manual

Sony SDM-S81R Service Manual

Tft lcd color computer display
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SERVICE MANUAL

LCD panel
Panel type: a-Si TFT Active Matrix
Picture size: 18.1 inch
Input signal format
RGB operating frequency*
Horizontal: 28 – 80 kHz
Vertical: 48 – 75 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. 1.0 A
Power consumption
Max. 55 W
Operating temperature 5 – 35 °C
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)
TFT LCD COLOR COMPUTER DISPLAY
SDM-S81R
Canadian Model
Chinese Model
Dimensions (width/height/depth)
Display (upright):
Mass
Approx. 6.7 kg (14 lb 12 oz) (with stand)
Approx. 5.4 kg (11 lb 14 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 µsec, 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. 439 x 416 x 233 mm
3
x 16
1
x 9
1
(17
/
/
/
inches)
8
2
4
(with stand)
Approx. 439 x 357 x 70 mm
3
x 14
1
x 2
7
(17
/
/
/
inches)
8
8
8
(without stand)

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Summary of Contents for Sony SDM-S81R

  • Page 1: Service Manual

    SDM-S81R SERVICE MANUAL US Model Canadian Model AEP Model Chinese Model SPECIFICATIONS LCD panel Panel type: a-Si TFT Active Matrix Dimensions (width/height/depth) Picture size: 18.1 inch Display (upright): Approx. 439 x 416 x 233 mm Input signal format RGB operating frequency* x 16 Horizontal: 28 –...
  • 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 µ F 1.5 k Ω Voltmeter (0.75 V) Earth Ground Fig. A. Using an AC voltmeter to check AC leakage. SDM-S81R(E)
  • 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 NUM- SPECIFIÉ. LES RÉGLAGES DE CIRCUIT DONT L’IMPORTANCE BERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLE- EST CRITIQUE POUR LA SÉCURITÉ...
  • Page 4: Power Saving Function

    “deep sleep” is the power saving mode defined by the Environ- mental Protection Agency. *** If only the horizontal or vertical sync signal is input to the moni- tor, the power indicator may alternately flash green and orange. SDM-S81R(E)
  • Page 5: Automatic Picture Quality Adjustment Function

    (horizontal: ever the same input signal is received. 28 -80 kHz, vertical: 48 - 75 Hz ). Note While the automatic picture quality adjustment function is acti- vated, only the (power) switch will operate. SDM-S81R(E)
  • Page 6: Table Of Contents

    1-3. G Mount ........... 1-3 4. EXPLODED VIEWS 1-4. A Mount ........... 1-4 4-1. Chassis ............. 4-2 1-5. TFT Panell ..........1-5 4-2. Packing Materials ........4-3 2. ADJUSTMENTS 2-1. Functional Adjustment ......2-1 2-2. Timing Specification ........ 2-2 2-3. White Balance Adjustment ......2-3 SDM-S81R(E)
  • Page 7: Disassembly

    SECTION 1 DISASSEMBLY 1-1.CABINET ASSEMBLY 1 Four screws (+PVTP 3x16) 2 Cabinet assembly 3 Chassis assembly, bezel assembly SDM-S81R(E)
  • Page 8: H Mount

    1-2.H MOUNT 1 P1 2 Screw 2 Screw (+BVTP 3x8) (+BVTP 3x8) 3 H board SDM-S81R(E)
  • Page 9: G Mount

    1 Two screws 1 Two screws (+PTT 3x4) (+PTT 3x4) 1 Screw (+PTT 3x4) 2 Rear shield 1 Three screws (+PTT 3x4) 3 Conector (inlet) 3 CN2 4 Three screws (+PTTWH 3x6) 3 CN1 5 G board 3 CN3 SDM-S81R(E)
  • Page 10 1 Two screws (+PTT 3x4) (+PTT 3x4) 1 Screw (+PTT 3x4) 2 Rear shield 1 Three screws (+PTT 3x4) 4 Two screws (+PTT 3x4) 3 J705 3 J710 5 A board 4 Two screws (+PTT 3x4) 3 J702 4Two connector screws SDM-S81R(E)
  • Page 11 1-5.TFT PANEL 2 Bezel assembly 4 TFT panel 3 Two screws (+FTT 3x5) 1 Two screws (+BVTP 3x16) 3 Two screws (+FTT 3x5) SDM-S81R(E)
  • Page 12: Adjustments

    If the TFT panel or A board is replaced, be sure to perform the W/B adjustment again. Auto WHITE BALANCE CALIBRATION Before the W/B adjustment, the no signal aging is needed for SDM-S81R only DEFAULT TIMMING 30 minutes or more. 1152 * 864 (Default)
  • Page 14: White Balance Adjustment

    6. Put the SUB CONTRAST R/G/B data in “WHITE BALANCE” caribration down 25 degrees evenly. 7. Adjust the R, G and B data of SUB CONTRAST to the specified value below. (Be sure to adjust by reducing each data.) 6500K x=0.313±0.003 y=0.329±0.003 8. Turn power off to release the service mode. SDM-S81R(E)
  • Page 15: Diagrams

    SECTION 3 DIAGRAMS 3-1.CIRCUIT BOARDS LOCATION H board A board G board SDM-S81R(E)
  • Page 16: Exploded Views

    The components identified 0 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-S81R(E)
  • Page 17 4-094-144-11 COVER, REAR (BLACK) BVTP 3 N 8 4-094-143-01 CABINET (WHITE) 4-094-143-11 CABINET (BLACK) 1-900-273-37 CONNECTOR ASSY FTT2.6 N 5 A-1404-874-A I BOARD, COMPLETE PSW4 N 10 BVTP3 N 16 K3 N 8 P4 N 10 PTP3 N 8 SDM-S81R(E)
  • Page 18: Packing Materials

    Replace only with the part number specified. Les composants identifiés par la marque 0 sont critiques pour la sécurité. Ne les remplacer que par une pièce portant le numéro spécifié. When indicating parts by reference number, please include the board name. SDM-S81R(E)
  • Page 19 English 2003CL02-Data Made in Japan 9-978-766-01 © 2003. 3 SDM-S81R(E)

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