Sony SDM-M51 Service Manual
Sony SDM-M51 Service Manual

Sony SDM-M51 Service Manual

Tft lcd color computer display
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SERVICE MANUAL

LCD panel
Input signal format
Resolution
Input signal levels
Audio output
Headphones jack
AUDIO IN jack
Power requirements
DC input
Power consumption
Operating temperature
SPECIFICATIONS
Panel type: a-Si TFT Active Matrix
Picture size: 15.1 inch
RGB operating frequency*
Horizontal: 28 – 64 kHz
Vertical: 48 – 75 Hz
Horizontal: Max.1024 dots
Vertical: Max.768 lines
RGB video signal
0.7 Vp-p, 75 , positive
SYNC signal
TTL level, 2.2 k ,
positive or negative
(Separate horizontal and vertical,
or composite sync)
0.3 Vp-p, 75 , negative
(Sync on green)
1 W 2
Stereo minijack
Accepts impedance of 16 – 48
Stereo minijack
Accepts impedance of 47 k
Accepts level 0.5 Vrms
100 – 240 V, 50 – 60 Hz,
0.4 – 0.2 A
DC 18 V (supplied AC adapter)
Max. 19 W
Max. 22 W (including AC adapter)
5 – 35
C
˚
TFT LCD COLOR COMPUTER DISPLAY
SDM-M51
Canadian Model
Dimensions (width/height/depth)
Display (upright):
Approx. 387 345 180 mm
(15
(with stand)
Approx. 387 296 48 mm
(15
(without stand)
Mass
Approx. 4.6 kg (10 lb 14 oz) (with
stand)
Plug & Play
DDC1/DDC2B/DDC2Bi
Accessories
See page 7.
* 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
1
5
1
/
13
/
7
/
inches)
4
8
8
1
3
15
/
11
/
1
/
inches)
4
4
16

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Table of Contents
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Summary of Contents for Sony SDM-M51

  • Page 1: Service Manual

    SDM-M51 SERVICE MANUAL US Model Canadian Model AEP Model SPECIFICATIONS LCD panel Panel type: a-Si TFT Active Matrix Dimensions (width/height/depth) Picture size: 15.1 inch Display (upright): Input signal format RGB operating frequency* Approx. 387 345 180 mm Horizontal: 28 – 64 kHz inches) Vertical: 48 –...
  • Page 2: Power Saving Function

    SDM-M51 Power saving function Automatic picture quality adjustment function This monitor meets the power-saving guidelines set by VESA, NERGY TAR, and NUTEK. If the monitor is connected to a When the monitor receives an input signal, it automatically computer or video graphics board that is DPMS (Display Power...
  • Page 3: Timing Specification

    SDM-M51 TIMING SPECIFICATION PRESET MODE MODE 1 MODE 2 MODE 3 MODE 4 MODE 5 MODE 6 MODE 7 MODE 8 SIGNAL MODE VESA 60Hz MAC 66Hz VESA 75Hz VESA 70Hz VESA 56Hz VESA 60Hz VESA 72Hz VESA 75Hz RESOLUTION...
  • Page 4 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.
  • Page 5: Table Of Contents

    SDM-M51 TABLE OF CONTENTS Section Title Page 1. GENERAL ..............1-1 2. DISASSEMBLY 2-1. Bezel Assy, and Back Cabinet Removal ... 2-1 2-2. TFT Panel and H Board Removal ......2-2 2-3. DC-AC Inverter Removal ........2-2 2-4. A Board and J2 Board Removal ......2-3 2-5.
  • Page 6: General

    For use only with power supply LIEN, LE-9702B-01A Consult your Sony dealer when replacing the fluorescent tube. 6 OK button (page 12) This button selects the item or executes the settings in the The equipment should be installed near an easily accessible outlet.
  • Page 7 Rear of the LCD display qd HD15 (RGB) input connector/HD15 (RGB) video x Connecting to a Macintosh or compatible signal cable (page 7) Setup computer This connector inputs RGB video signals (0.7 Vp-p, positive) Use the supplied Macintosh adapter. and SYNC signals. Before using your monitor, check that the following accessories are included in your carton: 5 4 3 2 1...
  • Page 8 Adjusting the monitor’s resolution and color number Step 5: Turn on the monitor and Step 2: Connect the audio cord Step 4: Secure the cords and close Adjust the monitor’s resolution and color number by referring to your computer’s instruction manual. The color number may vary according to computer the back cover your computer or video board.
  • Page 9 Grasp the lower sides of the LCD panel, then adjust 4 V CENTER (page 13) Adjusting the tilt and height V CENT ER screen height. Customizing Your Monitor Select the V CENTER menu to adjust the picture’s vertical This display can be adjusted within the angles shown below. centering.
  • Page 10 x Using the MENU, M(+)/m(–), and OK buttons Press the M(+)/m(–) buttons to select (PHASE) Adjusting the contrast (CONTRAST) Eliminating flicker or blurring and press the OK button. (PHASE/PITCH) The PHASE menu appears on the screen. Display the main menu. Contrast adjustment is made using a separate CONTRAST menu Press the MENU button to display the main menu on your from the main menu (page 11).
  • Page 11 To change the GAMMA setting Adjusting the color temperature Resetting the adjustments (RESET) Additional settings (Option) You can select the GAMMA setting from [1] - [3]. The highest (COLOR) setting is [3]. This monitor has the following two reset methods. Use the You can adjust the following options: RESET menu to reset the adjustments.
  • Page 12 Selecting the on-screen menu language Automatic picture quality Technical Features English, German, French, Spanish, Italian and Japanese versions adjustment function of the on-screen menus are available. The default setting is English. First press the M(+)/m(–) buttons to select When the monitor receives an input signal, it automatically Power saving function (LANGUAGE) and press the OK button.
  • Page 13: Troubleshooting

    • If you replaced an old monitor with this monitor, reconnect the old monitor and do the following. Select “SONY” from the “Manufactures” list and select “SDM-M51” from the “Models” list in the Windows 95/98/2000 device selection screen. If “SDM-M51” does I NFORMA T I ON not appear in the “Models”...
  • Page 14 • Vertical blanking width should be more than 450 µsec. flashes of the 1 (power) indicator and inform your authorized Sony dealer of the monitor’s condition. Be sure to note the model Design and specifications are subject to change without notice.
  • Page 15: Disassembly

    SDM-M51 SECTION 2 DISASSEMBLY 2-1. BEZLE ASSY AND BACK CABINET REMOVAL 1 Two screws (+PTP 3 x 14) 2 Back cabinet 3 TFT panel Claw 4 Bezel a'ssy Cushion...
  • Page 16: Tft Panel And H Board Removal

    SDM-M51 2-2. TFT PANEL AND H BOARD REMOVAL Four screws (+PVM 3 x 8) CN801 TFT panel H board to CN3 to CN2 2-3. JI BOARD REMOVAL Tree screws (+PM 3 x 4) Shield cover(B) Tree screws (+PM 3 x 4)
  • Page 17: A Board And J2 Board Removal

    SDM-M51 2-4. A BOARD AND J2 BOARD REMOVAL 1 Three screws (+PM 3 x 4) 2 Shield cover (A) A board CN702 3 Three screws (+PM 3 x 4) 5 Screw (+PTP 3 x 6) 6 J2 board...
  • Page 18: J1 Board Removal

    SDM-M51 2-5. J1 BOARD REMOVAL 3 Two screws (+PM 3 x 4) 1 Three screws (+PM 3 x 4) CN906 CN904 J1 board CN905 CN908 2 Two screws...
  • Page 19: Adjustments

    3-1. FUNCTIONAL ALIGINMENT (1) Procedures of how to go to service mode. 1. Hold "+" and "-" key power on, SDM-M51 goes into service mode. 2. Press "MENU" key-----ODS display. 3. Press "-" key to go to second page's late icon.
  • Page 20 3. An error message would pop up should communication fail. This paper documents the functional alignment (Used Color meter A 'BREAK' icon would show up on the dialog screen. If this ) procedure of Sony LCD monitor SDM-M51. happens, check the hardware setup, communication cable, and the connection.
  • Page 21 SDM-M51 Table 1: Default data for color adjustment Color 9300K 6500K 5000K Brightness (G) Contrast (G) Sub-Brt-R Sub-Brt-B Sub-Brt-G Sub-Cont-R Sub-Cont-B Sub-Cont-G Table 2: Specifications for Color adjustment Color Y (40% IRE) 9300 6500 5000 Tole Y: Luminance measurements are in cd/m...
  • Page 22 SDM-M51 MEMO...
  • Page 23: Diagrams

    SECTION 4 DIAGRAMS 4-1. BLOCK DIAGRAMS IC10 ADC/ZOOM ENGINE CN906 DCLK PCLKA GREEN ADC GND ADC GND H SYNC BLUE GREEN GREEN GREEN V SYNC HS IN ADC GND ADC GND VS IN BLUE BLUE BLUE ADC GND D-SUB ADC GND PDR 0 HS IN HS IN...
  • Page 24: Circuit Boards Location

    (1) Schematic Diagram of H Board 4-2. CIRCUIT BOARDS LOCATION KEY PWR SW801 SW-DPST KEY MENU SW802 SW-DPST KEY UP SW803 SW-DPST KEY DOWN SW804 SW-DPST KEY PLUS SW805 SW-DPST KEY MINUS SW806 SW-DPST KEY AUTO SW807 DC-AC INVERTER SW-DPST CN801 B11B-PH-K LED801...
  • Page 25: Schematic Diagram Of A (A-C) Board

    (2) Schematic Diagram of A( a - c ) Board DVDDA Z501 10µF 10µF 0.1µF 0.1µF +3.3V SVDDA Z501 +3.3V Z501 10µF 10µF 0.1µF 0.1µF RVDDA 10µF 10µF 0.1µF 0.1µF 0.1µF 0.1µF 0.1µF 0.1µF 0.1µF Z501 10µF 10µF 0.1µF VDDA 10µF 10µF 0.1µF...
  • Page 26 ab1 ab2 ab10 M51951B bc11 R118 4.7K 4.7K 4.7K 4.7K RESET RESETn LED_GRN2 B3B-PH-K MMBT3901 LED_AMB2 0.1µF TP18 TP19 C105 AUD_GND 1000pF SOG SELn V sync_MGU5 H sync_MGU5 H Slice C106 +3.3V 1000pF IC11 MTV212M 4.7K 0.1µF 100µF 0.1µF 5.6K TDA7053A DA8/HALFH AUD_GND...
  • Page 27 B4B-EH 1.5A 27µH B5B-PHK J1 BOARD 0.1µF 100µF CN904 Z501 TO DC-AC INVERTER Z102 TP11 +18V Z102 5V_ON 1.5A 3µH 1N4148 0.1µF 100µF 22µF 10µF SI786 0.1µF TP11 1N4148 PA_GND 22µF +3.3V 0.1µF SI4808 SI4808 BST3 BST5 Z501 0.045R 15µH 27µH 0.045R Z501...
  • Page 28 — A BOARD (Conductor Side) — L901 2.5T CN901 EIAJ-5 D901 SB-540 CN904 S4B-EH C901 C902 0.1µ 220µF L902 A BOARD 3µH CN906 S9B-PH-K GREEN BLUE A BOARD CN903 RGB Connector DB15 DDCSDA D903 D904 D905 ADC_GND HS IN VS IN DDCSCL D907 D908...
  • Page 29 (j1)(j2) — J1 BOARD (Conductor Side) — — J2 BOARD (Conductor Side) — 4-13...
  • Page 30: Semiconductors

    4-4. SEMICONDUCTORS GMZAN1 DTC124EA-T106 RLS-4148 M5195BML RLZ5.1B CATHODE ANODE TOP VIEW 160 pin QFP SB540 TDA7053A SI4808DY M24C16-MN6T LM358D LM393D CATHODE 24LC21AT/SN TOP VIEW ANODE 16 pin DIP 8 pin CHIP TOP VIEW 8 pin SOP SI2304DS-T SI786LG-T1 MC74F14M SST3904T MC74F125M SST3906T TOP VIEW...
  • Page 31: Exploded Views

    SDM-M51 SECTION 5 EXPLODED VIEWS NOTE: • Items with no part number and no • Items marked " * " are not stocked since ¡ The components identified by mark description are not stocked because they they are seldom required for routine are critical for safety.
  • Page 32: Packing Materials

    SDM-M51 ¡ The components identified by mark 5-2. PACKING MATERIALS are critical for safety. Replace only with part number specified. Les composants identifiés par une ¡ marque sont critiques pour la sécurité. Ne les remplacer que par une pièce portant le numéro spécifié.
  • Page 33: Electrical Parts List

    SDM-M51 ¡ The components identified by mark Les composants identifiés par une SECTION 6 ¡ are critical for safety. marque sont critiques pour la sécurité. Replace only with part number specified. Ne les remplacer que par une pièce ELECTRICAL PARTS LIST portant le numéro spécifié.
  • Page 34 SDM-M51 ¡ Les composants identifiés par une The components identified by mark ¡ marque sont critiques pour la sécurité. are critical for safety. Ne les remplacer que par une pièce Replace only with part number specified. portant le numéro spécifié.
  • Page 35 SDM-M51 ¡ The components identified by mark Les composants identifiés par une ¡ are critical for safety. marque sont critiques pour la sécurité. (a)(h) Replace only with part number specified. Ne les remplacer que par une pièce portant le numéro spécifié.
  • Page 36 SDM-M51 ¡ The components identified by mark Les composants identifiés par une ¡ marque sont critiques pour la sécurité. are critical for safety. (h)(j1)(j2) Ne les remplacer que par une pièce Replace only with part number specified. portant le numéro spécifié.

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