Sony CPD-L181A Service Manual
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Sony CPD-L181A Service Manual

Sony CPD-L181A Service Manual

Tft lcd colot computer display
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SERVICE MANUAL

LCD panel
Panel type: a-Si TFT Active Matrix
Picture size: 18.1 inches (46 cm)
Input signal format
RGB operating frequency*
fh: 30 – 92 kHz
fv: 48 – 85 Hz
Pixel efficiency
99.99 %
Resolution
H: max. 1280 dots
V: max. 1024 lines
Power requirements
Input:
DC 20 V (using the AC adapter)
Power consumption
Monitor only: 3.0 A
Including the AC adapter: 0.7 A
AC adapter
Type: AC-L181A
Input rating:
AC 100 – 240 V, 50 – 60 Hz
Max 1.2 A
Output rating: DC 20 V, 5 A
Dimensions (w/h/d)
Including the stand:
Approx. 468 × 422 × 207.5 mm
(18
Monitor only:
Approx. 468 × 354.5 × 95 mm
(18
Mass
Approx. 9 kg (19 lb 14 oz)
including the stand
Plug & Play
DDC/DDC2B/DDC2Bi
Supplied accessories
LCD monitor (1)
Rear cover (1)
Power cord (1)
AC adapter (1)
HD15 video signal cable (1)
Macintosh adapter (1)
Windows Monitor Information
Disk/Utility Disk (1)
Macintosh Utility Disk (1)
Warranty card (1)
These operating instructions (1)
MICROFILM
SPECIFICATIONS
× 16
× 8
1
5
1
/
/
/
in.)
2
8
4
× 14 × 3
1
3
/
/
in.)
2
4
TFT LCD COLOR COMPUTER DISPLAY
CPD-L181A
Canadian Model
* Recommended horizontal and vertical timing
conditions
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.
...1/...2 pin assignment
5 4 3 2 1
10
9
8
7
6
15
14
13
12
11
Pin No.
Signal
Pin No.
1
Red
8
2
Green
9
(Composite Sync
10
on Green)
11
3
Blue
12
4
ID (Ground)
5
DDC Ground*
13
6
Red Ground
14
7
Green Ground
15
* Display Data Channel (DDC) Standard of VESA
US Model
AEP Model
Chassis No. SCC-G25E-A
Signal
Blue Ground
DDC + 5V*
Ground
ID (Ground)
Bi-Directional
Data (SDA)*
H. Sync
V. Sync
Data Clock (SCL)*

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Summary of Contents for Sony CPD-L181A

  • Page 1: Service Manual

    CPD-L181A SERVICE MANUAL US Model Canadian Model AEP Model Chassis No. SCC-G25E-A SPECIFICATIONS LCD panel Panel type: a-Si TFT Active Matrix * Recommended horizontal and vertical timing conditions Picture size: 18.1 inches (46 cm) Horizontal sync width duty should be more than 4.8% of total...
  • Page 2 Î Ä ¾ ü Ô Ú Ï ß http://scwj.8800.org http://wjbbs.mpc.cn...

  • Page 3: Power Led

    CPD-L181A DIAGNOSIS Failure Power LED Aging Blink Amber (On 0.5 sec, Off 0.5 sec) ..Blink Green (On 0.5 sec, Off 0.5 sec) Out of Scan Range On Green *Aging mode ........... Press MENU key for longer than 5 second.
  • Page 4 CPD-L181A PRIMARY MODE MODE AT PRODUCTION MODE 8 MODE 9 MODE 10 MODE 11 MODE 12 MODE 13 MODE 14 MODE 15 RESOLUTION 800 X 600 800 X 600 800 X 600 800 X 600 800 X 600 848 X 480...
  • Page 5 CPD-L181A PRIMARY MODE MODE AT PRODUCTION MODE 24 MODE 25 MODE 26 MODE 27 MODE 28 MODE 29 MODE 30 MODE 31 RESOLUTION 1152 X 900 1170 X 584 1024 X 800 1280 X 960 1280 X 960 1280 X 1024...
  • Page 6 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 0.15 µ...

  • Page 7: Table Of Contents

    CPD-L181A TABLE OF CONTENTS Section Title Page 1. GENERAL ..............1-1 2. DISASSEMBLY 2-1. Cabinet Assy, Shield and Holder J Removal ..2-1 2-2. J Board Removal ..........2-1 2-3. A Board and GA Board Removal ....... 2-2 2-4. Liquid Crystal Panel Module and H Board Removal ..........

  • Page 8: General

    When the signal from the computer is displayed on this becomes dark, unstable or does not turn on, consult your monitor, press the AUTO button to automatically adjust Sony dealer. the picture to the computer. • Do not dispose of the monitor with general waste.
  • Page 9 Getting Started Getting Started Getting Started Connecting to a Macintosh Use of the Tilt Step 3: Attaching the rear cover Setup Use the supplied Macintosh adapter. The tilt feature will adjust the monitor within 30° upward, After connecting the computer and power cord, attach the Before using this monitor, check that the following items are and 45°...
  • Page 10 Getting Started Getting Started Customizing Your Monitor Customizing Your Monitor For customers using Windows NT4.0 Before adjusting Turning on the Monitor and Selecting the On-Screen Display Monitor setup in Windows NT4.0 is different from Windows 95/98 Connect the monitor and the computer, and turn them and does not involve the selection of monitor type.
  • Page 11 Press the ˘/≥ buttons to select CENTER, and press MENU Click [Utility Disk] n [Windows] n [Utility.exe]. the MENU button again. For Macintosh The CENTER OSD appears. Click [Utility Disk] n [SONY-Utility]. CENTER Press the MENU button. MENU Press the +/– buttons until the screen color becomes Notes The MENU OSD appears.

  • Page 12: Adjusting The Picture Brightness

    Customizing Your Monitor Getting Started Customizing Your Monitor For vertical adjustment, select V using the ˘/≥ Press the MENU button. STANDARD Adjusting the Contrast MENU MENU buttons and adjust the position using the +/– The MENU OSD appears. Standard smoothing effect (factory preset smoothing buttons.

  • Page 13: Adjusting The Backlight

    Customizing Your Monitor Getting Started Customizing Your Monitor Changing or Adjusting the Color Changing the On-Screen Display Adjusting the Backlight Setting the Power Saving Delay Temperature Position Time If the screen is too bright when you are using the monitor in a dark room, adjust the backlight.
  • Page 14 Customizing Your Monitor Additional Information Additional Information Getting Started Additional Information To cancel the control lock Locking the Controls Preset and User Modes Troubleshooting Press the + button in step 4 to select UNLOCK. The control lock function disables all of the controls except This monitor has factory preset modes for the most popular This section may help you isolate the cause of a problem and as a result, eliminate the need to contact technical...
  • Page 15 Install the Windows Monitor Information Disk/Utility Disk and select “CPD- number of your monitor. Also note the make and model of L181/L181A” from among the Sony monitors in the Windows 95/98 monitor selection u (power) your computer and graphics board.

  • Page 16: Disassembly

    CPD-L181A SECTION 2 DISASSEMBLY 2-1. CABINET ASSY, SHIELD AND HOLDER J REMOVAL Six screws (+BVTP 4 x 16) Cabinet assy Two screws (+BVTT 3 x 6) Seven screws (+BVTT 3 x 6) Ten screws Shield (J) (+BVTT 3 x 6)

  • Page 17: A Board And Ga Board Removal

    CPD-L181A 2-3. A BOARD AND GA BOARD REMOVAL Four screws (+BVTT 3 x 6) A board Four screws Screw (+BVTT 3 x 6) (M2.5 x 4) CN1201 GA board 2-4. LIQUID CRYSTAL PANEL MODULE AND H BOARD REMOVAL Two screws...

  • Page 18: Adjustments

    CPD-L181A SECTION 3 ADJUSTMENTS Connect the personal computer, monitor, and signal generator as shown below, and control the monitor. Signal generator (VG-819, etc.) Computer for jig TO INPUT-1 TO REMOTE * Maintain the Aging mode for 30 to 60 minutes.
  • Page 19 CPD-L181A • Adjustment of factory preset mode (6) Conduct color save ( Select C with ALT + M ) and get out of the adjustment mode. Spec: 6500°K 50IRE (x, y) = (0.314, 0.324) Repeat the following operations as many times as the num- Within 3JND ber of preset frequency sets.

  • Page 20: Diagrams

    SECTION 4 DIAGRAMS 4-1. BLOCK DIAGRAMS IC301 DC-DC CONVERTER CN101 CN301 CN303 +12V +12V GREEN +12V +12V GREEN BLUE INVERTER BLUE BOOT CN102 INPUT 1 H SYNC 1 BL-BRT BL-BRT J BOARD H SYNC 1 BL-ON BL-ON V SYNC 1 CN108 V SYNC 1 DDC SCL 1...
  • Page 21 IC1221 CN1202 (1/2) PANEL CONTROL ( SCAN CONVERTER, CPU, INPUT SW) R - PROCESS LVD S GND RXE IN 0- RXE IN 0+ IC1002 MEMORY CONTROLLER TP605 IC603 RXE IN 1- IC501 IC502 RGB PRE AMP A/D CONVERTER (R) RXE IN 1+ CN511 RXE IN 2- TP505...
  • Page 22 (2/2) ( µ-COM ) IC407 (2/2) µ-COM IC401 CN414 IC408 RXD/TXD RESET/WDT IC402 12V ON 56 +12V REG R1 IN R1 OUT TVP P1 CN412 FLASH SW P.12 ON/OFF T1 OUT T1 IN Q403 12V-2 RSTN HSTX A 5V IC403 IC404 J BOARD A 5V...

  • Page 23: Frame Schematic Diagram

    4-2. FRAME SCHEMATIC DIAGRAM CN101 CN103 CN105 CN108 :SMD :SMD :SMD (INPUT TERMINAL) BL_ON CN302 BL_BRT CN106 CN102 CN104 HD15P HD15P S-MICRO MINI DIN CN109 CN301 POWER CN304 FAN_DET S-MICRO :S-MICRO SUB_ON INPUT-1 INPUT-2 DC IN CN305 :S-MICRO TO PANEL CONTROL LVDSGND SUB_ON...

  • Page 24: Circuit Boards Location

    (1) Schematic Diagram of J Board 4-3. CIRCUIT BOARDS LOCATION CN101 (INPUT TERMINAL) :SMD CN102 HD15P GREEN D104 MA153 BLUE TO A-P2 BOARD D105 MA153 HSYNC1 CN511 VSYNC1 D106 UDZ-TE-17-5.6B DDC SCL1 R111 47 :CHIP DDC SDA1 D107 UDZ-TE-17-5.6B HOST GND1 R112 47 :CHIP DDC 5V1...

  • Page 25: Schematic Diagram Of H Board

    (2) Schematic Diagram of H Board D205 D206 D201 D202 D203 D204 SUB5V CL-170D-CD-T CL-170D-CD-T MA153-TX MA153-TX MA153-TX MA153-TX CN201 R206 R202 R203 R204 R205 R201 1.2k 1.2k 1.2k 1.2k 3.3k :CHIP :CHIP :CHIP :CHIP :CHIP :SMD :RN-CP R207 R208 R209 R210 R211...

  • Page 26: Schematic Diagram Of A (P1-P8) Board

    (3) Schematic Diagram of A(P1 - P8) Board R1310 :CHIP R917 TO P2 FB409 BK1608HM601T BL_BRT 1/16W R908 C403 :CHIP 1/16W :CHIP F:CHIP IC419 TC74UHC74FT C451 D-FF D409 D408 R401 C401 DTZ-TT11-3.0 1SS355TE-17 B:CHIP 0.01 R402 TP401 1/16W 1CLR B:CHIP R911 FL401 R666...
  • Page 27 < • A - P2 BOARD WAVEFORMS 0.8 Vp-p (H) 1.0 Vp-p (H) 0.8 Vp-p (H) 5.0 Vp-p (H) 5.0 Vp-p (V) 4.8 Vp-p (H) 5.0 Vp-p (V) Schematic diagram Schematic diagram Ò Ò Ò Ò Ò 4-16 4-15 -P2 board -P1 board...
  • Page 28 3.3V 5V-3 FB602 FB601 BK1608HM601T HM102 R620 R621 C602 :CHIP :CHIP C601 IC601 C603 C604 TC74LCX74FT(EL) F:CHIP R622 R623 F:CHIP D-FF C669 :CHIP :CHIP F:CHIP F:CHIP 1CLR R627 F:CHIP R626 2CLR R624 R625 TO P3 1/16W PICLKH G 1/16W :CHIP VSI2 1/16W 1/16W...
  • Page 29 TO P5,6,7 MEMCLK 3.3V TO P5,6,7 POCLK702 FB701 R701 BK1608HM601T BLM11B750S 3.3V C703 IC705 X701 IC704 TC74LCX125FT 54MHz C702 TC74LCX04FT IC702(6/6) BUFF INVERTER F:CHIP TC74VHC14FT OE/ST F:CHIP R705 R704 :CHIP C704 1/16W R703 :CHIP R706 F:CHIP :CHIP 1/16W :CHIP R707 :CHIP 5V-2 FB702...
  • Page 30 PIHS TO P3,4,6,7 TO P8 PIVS (SCAN CONVERTER) OSDT GO16 TO P4,6,7 TO P3,4,6,7 RB803 RB804 3.3V C801 C802 FB801 BK1608HM601T F:CHIP F:CHIP 1044 3.3V RB801 C803 G OLD3 F:CHIP G OLD2 C804 POD09 G OLD1 POD10 G OLD0 F:CHIP TO P4,6,7 MEMCLK POD11...
  • Page 31 TO P8 BO16 PIHS TO P3,4,5,7 PIVS OSDT TO P4,5,7 TO P3,4,5,7 (SCAN CONVERTER) RB903 RB904 3.3V C901 C902 F:CHIP FB901 3.3V BK1608HM601T F:CHIP 1044 C903 RB901 B OLD3 F:CHIP B OLD2 C904 POD09 B OLD1 POD10 B OLD0 F:CHIP TO P4,5,7 POD11 MEMCLK...
  • Page 32 TO P8 PIHS RO16 TO P3,4,5,6 PIVS OSDT TO P4,5,6 (SCAN CONVERTER) RB1203 RB1204 TO P3,4,5,6 3.3V C1001 C1002 FB1001 BK1608HM601T 3.3V F:CHIP F:CHIP 1044 RB1201 C1003 R OLD3 F:CHIP R OLD2 C1004 POD09 R OLD1 POD10 R OLD0 F:CHIP TO P4,5,6 POD11 MEMCLK...
  • Page 33 3.3V 3.3V 3.3V FB1214 FB1215 FB1216 BK1608HM601 BK1608HM601 BK1608HM601 R016 3.3V TO P7 IC1221 SN75LVDS83DGGR C1201 PANEL CONTROL 3.3V 3.3V IC1204(1/6) FB1211 BK1608HM601 F:CHIP TC74LCX04FT R OLD4 R OLD7 R OLD3 IC1219 TC74LCX74FT R OLD5 R OLD2 C1230 CLK GEN R1204 3.3V G OLD0...

  • Page 34: Schematic Diagram Of Ga Board

    (4) Schematic Diagram of GA Board CN301 CN303 L302 S-MICRO 100µH IC301 (DC-DC CONVERTER) L4973V5.1 PS301 :S-MICRO DC-DC CONV. +12V TO J BOARD +12V CN108 C306 C310 R303 C311 SYNC 6.8k 0.47 TO INVERTER :RN-CP F:CHIP BL_BRT BL_ON CN302 V5.1 C307 S-MICRO C312...
  • Page 35 (ga) SCAN CONVERTER, CPU, INUT SW DC-DC CONVERTER — A BOARD (Conductor Side) — — GA BOARD (Conductor Side) — GA BOARD Terminal name of semiconductors in silk screen printed circuit ( Ref. Q301 - Q304 D302, D303 : Refer to Terminal name of semiconductors in silk screen printed circuit (see page 4-9) Schematic diagram Ò...
  • Page 36 • A BOARD SEMICONDUCTOR — A BOARD (Component Side) — LOCATION TRANSISTOR Conductor Component Conductor Component Side Side Side Side IC401 B–2 Q401 B–1 IC402 C–5 Q403 B–2 IC403 C–5 Q404 B–2 IC404 C–5 Q405 B–2 IC405 C–5 Q501 A–1 IC407 C–2 Q502...

  • Page 37: Semiconductors

    4-5. SEMICONDUCTORS BA10358F-E2 HD74HC123AFP M62352GP-75E TC74LCX16374AFT(EL) DTZ-TT11-12 SB20-03P LM2675M-3.3 MAX202CSE TC74LCX541FT(EL) DTZ-TT11-3.0 MM1170BFB TC74VHC163FT(EL) 74VHC240MTCX DTZ12 UPC358G2-E2 74VHC221AMTCX MA111 24LC21AT/SN RD3.0SB2 TOP VIEW RD5.6SB 48 pin SOP UDZ-TE-17-5.6B TOP VIEW 1SS355TE-17 20 pin SOP TOP VIEW TL431CPK-E2 16 pin SOP TOP VIEW CL-170D-CD-T 8 pin SOP...

  • Page 38: Exploded Views

    1-803-831-11 PANEL MODULE, LIQUID CRYSTAL 4-047-474-01 FOOT, RUBBER * A-1316-503-A GA BOARD, COMPLETE X-4036-670-1 REAR COVER ASSY, STAND 3-682-057-01 SPACER (SMALL) 4-042-353-21 EMBLEM (NO. 7), SONY 1-763-357-11 FAN, DC 4-073-609-02 LABEL, INFORMATION * A-1299-011-B A BOARD, COMPLETE * A-1388-262-A J BOARD, COMPLETE...

  • Page 39: Packing Materials

    CPD-L181A ¡ The components identified by mark Les composants identifiés par une ¡ are critical for safety. marque sont critiques pour la Replace only with part number specified. sécurité. Ne les remplacer que par une pièce portant le numéro spécifié.

  • Page 40: Electrical Parts List

    CPD-L181A CPD-L181A ¡ 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 41 CPD-L181A ¡ 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 42 CPD-L181A ¡ The components identified by mark Les composants identifiés par une ¡ are critical for safety. marque sont critiques pour la sécurité. Replace only with part number specified. Ne les remplacer que par une pièce portant le numéro spécifié.
  • Page 43 CPD-L181A ¡ 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 44 CPD-L181A ¡ The components identified by mark Les composants identifiés par une ¡ are critical for safety. marque sont critiques pour la sécurité. Replace only with part number specified. Ne les remplacer que par une pièce portant le numéro spécifié.
  • Page 45 CPD-L181A ¡ 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 46 CPD-L181A ¡ The components identified by mark Les composants identifiés par une ¡ are critical for safety. marque sont critiques pour la sécurité. Replace only with part number specified. Ne les remplacer que par une pièce portant le numéro spécifié.
  • Page 47 CPD-L181A ¡ Les composants identifiés par une The components identified by mark The components identified by [ in this manual ¡ marque sont critiques pour la sécurité. are critical for safety. have been carefully factory-selected for each set Ne les remplacer que par une pièce Replace only with part number specified.
  • Page 48 CPD-L181A ¡ The components identified by mark Les composants identifiés par une ¡ are critical for safety. marque sont critiques pour la sécurité. Replace only with part number specified. Ne les remplacer que par une pièce portant le numéro spécifié.
  • Page 49 CPD-L181A ¡ Les composants identifiés par une The components identified by mark ¡ marque sont critiques pour la sécurité. are critical for safety. (a)(ga) Ne les remplacer que par une pièce Replace only with part number specified. portant le numéro spécifié.
  • Page 50 CPD-L181A ¡ The components identified by mark Les composants identifiés par une ¡ are critical for safety. marque sont critiques pour la sécurité. (h)(j) Replace only with part number specified. Ne les remplacer que par une pièce portant le numéro spécifié.
  • Page 51 CPD-L181A ¡ The components identified by mark Les composants identifiés par une ¡ 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.

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