Sony SDM-HS74 Service Manual Download | Manualshive

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2. NO RASTER

CHECK MICOM INV

ON/OFF PORT.

CHECK

J705 PIN 9

5V?

NO

NO RASTER

(OSD IS NOT DISPLAYED)

CHECK LIPS

CHECK J705

PIN 5, 6, 8(5V)
PIN 1, 2(12V)?

NO

1. CONFIRM BRIGHTNESS

OSD CONTRL STATE.

2. CHECK MICOM DIM-ADJ

PORT

CHECK

J705 PIN 10

5V?

NO

LIPS

CHECK

PULSE AS

CONTACTING SCOPE

PROBE TO CAUTION LABEL.

(CONTACT PROBE TO

CAUTION LABEL.

CAN YOU SEE PULSE

AT YOUR

SCOPE?

NO

REPLACE CCFL LAMP

IN THE LCD MODULE

YES

YES

YES

YES

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Summary of Contents for SDM-HS74

Page 1: ...MENU OK COLOR MONITOR SERVICE MANUAL CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS NO CL 42 FACTORY MODEL LHS74P LHS74PM MODEL SDM HS74 SDM HS74P ...

Page 2: ...al 48 75Hz 4 Max Resolution Analog 1280 x 1024 75Hz Digital 1280 x 1024 60Hz 5 POWER SUPPLY 5 1 Power AC 100 240V 50 60Hz 1 0A 5 2 Power Consumption 6 ENVIRONMENT 6 1 Operating Temperature 5 C 35 C 41 F 95 F Ambient 6 2 Relative Humidity 10 80 Non condensing 6 3 MTBF 50 000 Hours Typ 30 000 Hours Min 7 DIMENSIONS with TILT SWIVEL Width 367 mm 14 49 Depth 215 mm 8 46 Height 410 mm 16 14 8 WEIGHT wi...

Page 3: ... Sync T M D S Data1 T M D S Data1 T M D S Data1 3 Shield T M D S Data3 T M D S Data3 5V Power Ground return for 5V H Sync and V Sync Pin Signal DVI D 1 8 9 17 24 16 16 17 18 19 20 21 22 23 24 Hot Plug Detect T M D S Data0 T M D S Data0 T M D S Data0 5 Shield T M D S Data5 T M D S Data5 T M D S Clock Shield T M D S Clock T M D S Clock T M D S Transition Minimized Differential Signaling DVI D Connec...

Page 4: ... such as pencil or pen as this may result in damage to the panel Protect the module from the ESD as it may damage the electronic circuit C MOS Make certain that treatment person s body are grounded through wrist band Do not leave the module in high temperature and in areas of high humidity for a long time The module not be exposed to the direct sunlight Avoid contact with water as it may a short c...

Page 5: ...5Hz H 60 241 1328 1024 32 96 176 304 V 74 927Hz 804 768 3 3 30 36 1024x768 MAC19 75Hz H 67 500 1600 1152 64 128 256 448 V 75 000Hz 900 864 1 3 32 36 1152x864 75Hz H 68 681 1456 1152 32 128 144 304 V 75 062Hz 915 870 3 3 39 45 1152x870 MAC21 75Hz H 61 795 1504 1152 30 128 194 352 V 65 950Hz 937 900 2 4 31 37 1152x900 66Hz H 71 732 1472 1152 16 96 208 320 V 76 068Hz 943 900 2 8 33 43 1152x900 75Hz H...

Page 6: ... These buttons function as the buttons when selecting the menu items and making adjustments 4 OK button This button selects the item or executes the settings in the menu 5 button This button is used to change the brightness of the screen 6 AC IN connector Connect the power cord supplied 7 DVI D input connector digital RGB This connector inputs digital RGB video signals that comply with DVI Rev 1 0...

Page 7: ... 7 WIRING DIAGRAM Connector Ass y P N 6631T11016W Connector Ass y P N 6631T20023L ...

Page 8: ...t 4Lamp EEPROM EDID EEPROM System LVDS Panel Vcc Regulator Regulator KEY DVI D D Sub X1 Filter EEPROM 1 EDID MST9131B 3 3V 3 3V 2 5V 2 5V 5V 5V MTV412PLCC 12V DVI Rx LAMP Connector LIPS OSD Scaling Pre Amp PLL LVDS Tx BLOCK DIAGRAM ...

Page 9: ...y MST This part transmit digital signal from the Scaler to the receiver of module 2 Power Part This part consists of the one 3 3V and one 2 5 regulators to convert power which is provided 5V by LIPS Board In particular 5V is provided for LCD Panel There is also 12V which is for Audio power Also 5V is converted 3 3V and 2 5V by regulator Converted power is provided for IC in the main board 3 System...

Page 10: ...gh a bridge rectifier and a bulk capacitor 3 Energy Transfer This part function is transfer the primary energy to secondary through a power transformer 4 Output rectifier and filter This part function is to make a pulse width modulation control and to provide the driver signal to power switch to adjust the duty cycle during different AC input and output loading condition to achive the dc output st...

Page 11: ...m is available for LCD Monitor only 1 Port Setup a Copy UserPort sys file to c WINNT system32 drivers folder b Run Userport exe c Remove all default number d Add 300 3FF e Click Start button f Click Exit button 2 EDID Read Write 1 Run WinEDID exe 2 Edit Week of Manufacture Year of Manufacture Serial Number a Input User Info Data b Click Update button c Click Write button ...

Page 12: ...enu That menu is located in down side of main menu 4 The service OSD menu contains additional menus as described below a COLOR TEMP Adjust R G B color values of contrast and brightness in 9300K 6500K user color mode b INITIAL EEPROM Initialize the EEPROM values 24C08 c CLEAR ETI Initialize the used time of monitor d AGING Select aging mode On Off e WHITE BALANCE AUTO Allows you to set the R G B of...

Page 13: ... AS OPENING EACH POWER LINE CHECK J705 VOLTAGE PIN 5 6 8 5V PIN 1 2 12V NO CHECK 5VS LINE OPEN CHECK CHECK U501 PIN 8 Voltage 5V NO CHECK IIC LINE CONNECTION U501 U502 CHECK U201 VCC X501 XTAL CHECK IS U201 PIN94 3 3V PIN85 2 5V VOLTAGE REPEATED AS PULSE SHAPE NO YES YES NO PROBLEM YES CHECK KEY CONTROL CONNECTOR ROUTINE ...

Page 14: ...PS CHECK J705 PIN 5 6 8 5V PIN 1 2 12V NO 1 CONFIRM BRIGHTNESS OSD CONTRL STATE 2 CHECK MICOM DIM ADJ PORT CHECK J705 PIN 10 5V NO LIPS CHECK PULSE AS CONTACTING SCOPE PROBE TO CAUTION LABEL CONTACT PROBE TO CAUTION LABEL CAN YOU SEE PULSE AT YOUR SCOPE NO REPLACE CCFL LAMP IN THE LCD MODULE YES YES YES YES ...

Page 15: ...3 2 5V REGULATOR CHECK U804 3 3V REGULATOR U501 PIN11 12 OSCILLATE AS 12MHZ CHECK CONNECTION LINE FROM D SUB TO U501 TROUBLE IN CABLE OR LCD MODULE YES YES YES 3 NO RASTER OSD IS NOT DISPLAYED MST9131B NO RASTER OSD IS NOT DISPLAYED U501 PIN41 IS 48KHz H SYNC PIN42 IS 60Hz V SYNC IS PULSE APPEARED AT SIGNAL PINS AT MODE 12 NO NO ...

Page 16: ...16 4 TROUBLE IN DPM TROUBLE IN DPM TROUBLE IN PC CHECK PC PC IS NOT GOING INTO DPM OFF MODE NO TROUBLE IN SIGNAL CABLE NO YES YES CHECK R734 R741 INPUT 1 SYNC R732 R755 INPUT 2 SYNC CHECK U501 PIN 24 0V ...

Page 17: ... 17 12 GENESS S O N Y 1 2 3 13 9 11 16 7 10 15 8 6 5 14 4 1 4 2 EXPLODED VIEW ...

Page 18: ...DM HS74 4951TKS165A METAL ASSEMBLY FRAME HS74 AUO_V5 SDM HS74 4951TKS165D METAL ASSEMBLY FRAME HS74 AUO EN06 V2 SDM HS74P 4950TKK583A METAL FIX CONNECTOR CMO 17 OX73 4950TKK487A METAL FIX CONNECTOR AU SIDE LS71K 3550TKK301B COVER LHS73K PIECE BACK DARK BLUE SDM HS74 3550TKK301G COVER LHS73K PIECE BACK BLACK SDM HS74 USA CANADA SDM HS74P 6631T11016W CONNECTOR ASSEMBLY 30P 30P H H 200MM UL20276 AWG3...

Page 19: ...04 06 02 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C733 0CK103CK51A 0 01UF 1608 50V 10 R TP B Y5 C734 0CK103CK51A 0 01UF 1608 50V 10 R TP B Y5 C735 0CK103CK51A 0 01UF 1608 50V 10 R TP B Y5 C737 0CK103CK51A 0 01UF 1608 50V 10 R TP B Y5 C738 0CK103CK51A 0 01UF 1608 50V 10 R TP B Y5 C739 0CK103CK51A 0 01UF 1608 50V 10 R TP B Y5 C740 0CK103CK51A 0 01UF 1608 50V 10 R TP B Y5 C745 0CK103CK51A 0 01UF...

Page 20: ... 4 7K 1 10W 5 D R TP R510 0RH4701D622 4 7K 1 10W 5 D R TP R514 0RJ1002D677 10K OHM 1 10 W 5 1608 R TP R517 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R518 0RJ1001D677 1K OHM 1 10 W 5 1608 R TP R519 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R520 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R521 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R522 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R523 0RJ1000D677 100 OHM 1 10 W 5 1...

Page 21: ...2202D677 22K OHM 1 10 W 5 1608 R TP R814 0RJ5600D677 560 OHM 1 10 W 5 1608 R TP R815 0RH0000D622 0 1 10W P TYPE TAPPING R816 0RH0000D622 0 1 10W P TYPE TAPPING R841 0RH0472D622 47 1 10W 5 D R TP R842 0RH0472D622 47 1 10W 5 D R TP R843 0RH0472D622 47 1 10W 5 D R TP R844 0RH0472D622 47 1 10W 5 D R TP R845 0RH0472D622 47 1 10W 5 D R TP R847 0RH0472D622 47 1 10W 5 D R TP R848 0RH0472D622 47 1 10W 5 D ...

Page 22: ...SCHEMATIC DIAGRAM 22 1 MST9131B ...

Page 23: ... 23 2 MICOM ...

Page 24: ... 24 3 POWER ...

Page 25: ... 25 4 CONNECTOR JACKS ...

Page 26: ...Jun 2004 P NO 3828TSO059S Printed in Korea ...

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