Planar PL1520M Service Manual Download Page 42 | Manualshive

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Planar PL1520M Service Manual Download Page 42

15" LCD Color Monitor Planar PL1520M

42

10.2 Trouble Shooting

10.2.1 Main Board

1

、

No power

No power

Press power key and look

if the picture is normal

Please reinsert and make sure

the AC of 100-240 is normal

Measure U403 PIN2=2.5V

U101 PIN2=3.3V

Reinsert or check the

Adapter/Inverter

Y400 oscillate waveforms

are normal

Check
U101/U403/CN102

Replace U401

Replace U402

Replace Y400

OK

OK

OK

NG

NG

NG

NG

NG

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Summary of Contents for PL1520M

Page 1: ...rd 29 8 Schematic 30 8 1 Main Board 30 8 2 Power Board 33 9 PCB Layout 35 9 1 Main Board 35 9 2 Power Board 37 9 3 Audio Board 40 9 4 Key Board 40 10 Maintainability 41 10 1 Equipments and Tools Requirement 41 10 2 Trouble Shooting 42 11 White Balance Luminance adjustment 47 12 BOM List 49 Table Of Contents 1 Revision List 2 1 Monitor Specification 3 2 LCD Monitor Description 6 3 Operation Instruc...

Page 2: ...15 LCD Color Monitor Planar PL1520M 2 Revision List Version Date Revision History TPV Model Name A00 Nov 16 06 Initial release J156V1NKACPNNP ...

Page 3: ...15 LCD Color Monitor Planar PL1520M 3 1 Monitor Specification ...

Page 4: ...15 LCD Color Monitor Planar PL1520M 4 ...

Page 5: ...15 LCD Color Monitor Planar PL1520M 5 ...

Page 6: ... control logic brightness control logic and DDC The power board will provide DC to AC Inverter voltage to drive the backlight of panel and the main board chips each voltage MFM Block Diagram Power Board Include adapter and inverter Flat Panel and CCFL backlight CCFT Drive Key board Audio out and Key control Main Board Audio Board AC IN Audio IN VGA IN S Video IN AV IN ...

Page 7: ...t front panel of the monitor See Figure 4 By changing these settings the picture can be adjusted to your personal preferences The power cord should be connected Connect the Signal cable from the monitor to the VGA card Connect video S video cable from the monitor to a video source Press the power button to turn on the monitor The power indicator will light up 3 2 Control Buttons ...

Page 8: ...15 LCD Color Monitor Planar PL1520M 8 ...

Page 9: ...15 LCD Color Monitor Planar PL1520M 9 3 3 Adjust the Picture ...

Page 10: ...15 LCD Color Monitor Planar PL1520M 10 ...

Page 11: ...15 LCD Color Monitor Planar PL1520M 11 ...

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Page 19: ...15 LCD Color Monitor Planar PL1520M 19 ...

Page 20: ...15 LCD Color Monitor Planar PL1520M 20 4 Input Output Specification 4 1 Input Signal Connector ...

Page 21: ...15 LCD Color Monitor Planar PL1520M 21 4 2 Factory Preset Display Modes ...

Page 22: ...e 100 V 240 V A C Line frequency range 50 3Hz 60 3Hz Current 1 5A max at 100V 0 8A max at 264V Peak surge current 55A peak at 240 VAC and cold starting Leakage current 3 5mA Power line surge No advance effects no loss of information or defect with a maximum of 1 half wave missing per second ...

Page 23: ...15 LCD Color Monitor Planar PL1520M 23 5 Panel Specification 5 1 General Feature ...

Page 24: ...15 LCD Color Monitor Planar PL1520M 24 5 2 Optical Characteristics Mechanical Specifications Optical Specification ...

Page 25: ...15 LCD Color Monitor Planar PL1520M 25 6 Block Diagram 6 1 Monitor Exploded View ...

Page 26: ...15 LCD Color Monitor Planar PL1520M 26 6 2 Software Flow Chart 1 2 N Y 5 Y N 10 Y N 12 Y N 7 Y N 6 4 3 8 9 14 11 13 Y N 15 Y N 16 17 19 Y N 18 ...

Page 27: ...urn on the LED and set it to green color Scalar initialize 10 In standby mode 11 Update the lifetime of back light 12 Check the analog port are they re any signals coming 13 Does the scalar send out an interrupt request 14 Wake up the scalar 15 Are there any signals coming from analog port 16 Display No connection Check Signal Cable message And go into standby mode after the message disappear 17 P...

Page 28: ...r Planar PL1520M 28 7 Electrical Block Diagram 7 1 Main Board U401 MST718BU Include MCU ADC Scalar OSD P100 CVBS IN CN402 LVDS P102 S Video IN Audio out and Key control P101 VGA IN Y400 12M U400 Eeprom U100 DDC U402 Flash ...

Page 29: ...tifier and Filter Start Circuit R906 R907 PWM Control IC Over Voltage Protect AC input 12V PWM Control IC Feedback Circuit OSC and Output Circuit DC Convert Circuit MOSFET Q203 Q204 Over Voltage Protect Lamp ON OFF ON OFF Control Rectifier Diode Feedback Circuit Transformer CN102 DIM 5V ...

Page 30: ...15 LCD Color Monitor Planar PL1520M 30 8 Schematic 8 1 Main Board ...

Page 31: ...15 LCD Color Monitor Planar PL1520M 31 ...

Page 32: ...15 LCD Color Monitor Planar PL1520M 32 ...

Page 33: ...CKET 1 2 3 12V R904 1M 1 4W ZD904 SML4737A 1 GND SW_ON OFF CN902 NC 1 2 ZD901 RLZ20B R910 4 7K 1 16W R926 24K 1 10W ZD905 RLZ20B Q901 2PA733P R917 JUMPER 1 2 R902 1M 1 16W 5V D906 1N4148 R931 1K 1 16W L902 L 1 4 2 3 F901 FUSE R903 100K 2W C906 0 0015uF 2KV R901 1M 1 16W ZD903 HZ5C1 F902 FUSE CN102 CONN 1 2 3 4 5 6 7 8 9 10 11 12 Q902 2PC945P L904 R919 0 39 2W C909 0 1uF R914 NC CN302 CONN 1 2 3 D9...

Page 34: ... 2K 1 16W D201 SR24 C205 0 1uF 25V C208 330pF R240 51K 1 16W R205 47K Q207 MPS3906 C215 22pF 6KV DIM R225 1K 1 16W R204 10K 1 16W Q203 SI4431DY T1 4 8 5 6 7 3 2 1 R222 12K 1 16W R232 1K 1 16W R207 NC C207 4 7uF C225 1uF 25V C202 0 1uF 25V A FOR NEC INVERTER AOC Top Victory Electronics Co Ltd B 2 2 Friday October 29 2004 Title Size Document Number Rev Date Sheet of U201 BAF9741F 1 2 3 4 5 6 7 8 9 1...

Page 35: ...15 LCD Color Monitor Planar PL1520M 35 9 PCB Layout 9 1 Main Board ...

Page 36: ...15 LCD Color Monitor Planar PL1520M 36 ...

Page 37: ...15 LCD Color Monitor Planar PL1520M 37 9 2 Power Board ...

Page 38: ...15 LCD Color Monitor Planar PL1520M 38 ...

Page 39: ...15 LCD Color Monitor Planar PL1520M 39 ...

Page 40: ...15 LCD Color Monitor Planar PL1520M 40 9 3 Audio Board 9 4 Key Board ...

Page 41: ... PL1520M 41 10 Maintainability 10 1Equipments and Tools Requirement 1 Multi meter 2 Oscilloscope 3 Pattern Generator 4 DDC Tool with an IBM Compatible Computer 5 Alignment Tool 6 LCD Color Analyzer 7 Service Manual 8 User Manual ...

Page 42: ...ess power key and look if the picture is normal Please reinsert and make sure the AC of 100 240 is normal Measure U403 PIN2 2 5V U101 PIN2 3 3V Reinsert or check the Adapter Inverter Y400 oscillate waveforms are normal Check U101 U403 CN102 Replace U401 Replace U402 Replace Y400 OK OK OK NG NG NG NG NG ...

Page 43: ...itor Planar PL1520M 43 No picture LED is orange Check Key under control No Picture Check U403 U101 Check D001 Q100 Q102 OK NG NG OK Check U401 Check U402 Y400 Replace U402 or Y400 Check CN102 or Replace U403 U101 NG OK ...

Page 44: ...creen White screen Measure Q405 base is high level Y400 oscillate waveform is normal Check Q403 is broken or CN402 solder Check Correspondent component Replace PANEL Replace U101 U403 Check U401 OK OK OK Replace Y400 OK NG NG NG NG Check U101 U403 ...

Page 45: ...n board NG OK Check U201 pin9 12V NG OK Change Q201 or Q202 Check U201 PIN10 have the output of sawtooth wave at short time NG OK Change U201 Check D201 has the output of square wave at short time NG OK Check Q205 Q207 Q203 Check the resonant wave of pin2 pin5 for PT201 NG Check the output of PT201 Check Q209 Q210 C213 Check connecter lamp OK NG Change PT201 OK ...

Page 46: ... 46 10 2 3 Key Board OK OK OSD is unstable or not working Is Keypad board connecting normally Is Button Switch normally Is Keypad board normally Check main board Connect Keypad Board Replace Button Switch Replace Keypad Board NG NG NG OK ...

Page 47: ...e factory OSD the CONTRAST BRIGHTNESS PC BACKLIGHT PC BRI CON will be shown press or key to highlight one of the CONTRAST BRIGHTNESS PC BACKLIGHT PC BRI CON then press AUTO key to highlight each values press or key to adjust the value as following CONTRAST 96 112 128 144 160 BRIGHTNESS 128 128 128 128 128 PC BACKLIGHT 0 64 128 192 255 PC BRI CON 96 112 128 128 128 B Saving the above values Press M...

Page 48: ... 6500K to 7800K then press AUTO key to move the cursor to the OFFSET RGB press or key to adjust the value as following 0 0 0 2 7800K Gain adjustment Input the 1024x768 60HZ white pattern A Switch the Chroma 7120 to RGB Mode with press MODE button B Switch the MEM channel to Channel 3 with up or down arrow on chroma 7120 C The LCD indicator on chroma 7120 will show x 296 20 y 311 20 Y 180 cd m2 D P...

Page 49: ...T 600 3 HANDLE2 052G 1211 A 165MINIUM TAPE 052T 1185 MIDDLE TAPE FOR CARTON 052T 1186 SMALL TAPE V000 052T6020 2 PROTOCT FILM 052T6025 11582 MYLAR 052T6025 11731 MYLAR E078 078G 314 2 4028 SPEAKER 8OHM 1W E078 078G 314 2 G SPEAKER E078 078G 314 2 K SPEAKER 089G 17356G554 AUDIO CABLE E089B 089G 718HAA D2 SIGNAL CABLE 089T 173 56 40 RCA CABLE E089A 089T402A18N IS POWER CORD 095G8014 8616 WIRE HARNES...

Page 50: ... FOR MANUAL Q41T5000935 2C manual Q41T7800935 5A Landing strip 012T 394 1 FOOT PORON 034J1273 GM L STAND 037J 495 1 HINGE 0Q1T1030 8128 CR3 SCREW 0Q1T1030 10128 CR3 SCREW CN202 033G802414C H 2 7PIN DUAL ROW RIGHT ANGLE H U201 056G 616 1 IC E TDA7496L ST 090G6059 1 HEAT SINK CN204 095G8014 3503 WIRE HARNESS SMTAUPF6QAAP AUDIO BOARD FOR SMT CN101 033G801714A H PIN HEADER 2 7 R A CN100 033T8027 8 WAF...

Page 51: ...434 067T405V471 3P EC 105 CAP 470UF M 16V C429 067T405V471 3P EC 105 CAP 470UF M 16V P100 088T 78 8 4C RCA JACK 1P YELLOW P102 088T 100 6 C 4PIN MINI DIN JACK P102 088T 100 6 TO 4PIN MINI DIN JACK P101 088T 35315F H D SUB 15PIN 090G6077 2 GP HEAT SINK Y400 093T 2251B J NXS12 000AC30F BT 2 SMTF613KQAP MAIN BOARD FOR SMT CN003 033G3802 2H WAFER 2P RIGHT ANGLE CN002 033G3802 2H WAFER 2P RIGHT ANGLE C...

Page 52: ...6 065G 6J2206E3 R 22PF J 6KV NP0 C215 065G 6J2206E3 R 22PF J 6KV NP0 C902 065G305M1022BP Y2 1000PF M 250VAC Y5P C901 065G305M1022BP Y2 1000PF M 250VAC Y5P C902 065G305M1022E2 1000P 400VAC 250VAC C901 065G305M1022E2 1000P 400VAC 250VAC C913 065G306M4722BM 4700PF 20 400VAC C913 065G306M4722BP 4700PF 20 400VAC C922 067G215S102 3K ED1000UF 16V C925 067G215S102 3K ED1000UF 16V C922 067G215V102 3N GP KY...

Page 53: ...1 088G 30229C PHINE JACL BD901 093G 50460 8 BRIDGE 2KBP06M2A600V D912 093G3006 1 31DQ06FC CN102 095G8021 12520 WIRE HARNESS 705G 560 61 09 R919 ASS Y ROHS 705G 780 57 02 CN901 ASS Y ROHS 705G 780 57 06 D910 ASS Y ROHS PK521SVA1SMTP POWER BOARD FOR SMT 033F303H02P H PH 2 033F303T020 PH PH T 051F 300110 2 WD2014HB 078FS108 1 8OHM 1W37 17 9 5 033F 206 14 DF11 14DS 2C 033F206T 24 DF11 2428SCF 033F303S...

Page 54: ...BS3906 PHILIPS SMT Q100 057T 417 6 PMBS3906 PHILIPS SMT Q403 057T 763 3 AO4411L SO 8 BY AOS SMT RP404 061T 125000 8 RST CHIP AR 8P4R 0 OHM 5 1 16W RP405 061T 125000 8 RST CHIP AR 8P4R 0 OHM 5 1 16W RP406 061T 125000 8 RST CHIP AR 8P4R 0 OHM 5 1 16W RP400 061T 125330 8 RST CHIP AR 8P4R 33 OHM 5 1 16W RP408 061T 125472 8 RST CHIP AR 8P4R 4 7KOHM 5 1 16W RP409 061T 125472 8 RST CHIP AR 8P4R 4 7KOHM 5...

Page 55: ... R126 061T0603102 CHIP 1K OHM 1 16W R141 061T0603102 CHIP 1K OHM 1 16W R143 061T0603102 CHIP 1K OHM 1 16W R144 061T0603102 CHIP 1K OHM 1 16W R145 061T0603102 CHIP 1K OHM 1 16W R413 061T0603102 CHIP 1K OHM 1 16W R417 061T0603102 CHIP 1K OHM 1 16W R421 061T0603102 CHIP 1K OHM 1 16W R423 061T0603102 CHIP 1K OHM 1 16W R425 061T0603102 CHIP 1K OHM 1 16W R429 061T0603102 CHIP 1K OHM 1 16W R432 061T06031...

Page 56: ...1 16W R435 061T0603472 CHIP 4 7KOHM 1 16W R433 061T0603472 CHIP 4 7KOHM 1 16W R431 061T0603472 CHIP 4 7KOHM 1 16W R422 061T0603472 CHIP 4 7KOHM 1 16W R412 061T0603472 CHIP 4 7KOHM 1 16W R401 061T0603472 CHIP 4 7KOHM 1 16W R146 061T0603472 CHIP 4 7KOHM 1 16W R402 061T0603472 CHIP 4 7KOHM 1 16W R452 061T0603472 CHIP 4 7KOHM 1 16W R142 061T0603472 CHIP 4 7KOHM 1 16W R450 061T0603472 CHIP 4 7KOHM 1 16...

Page 57: ...2 MLCC 0402 0 1UF K 16V X7R C461 065T0402104 12 MLCC 0402 0 1UF K 16V X7R C459 065T0402104 12 MLCC 0402 0 1UF K 16V X7R C457 065T0402104 12 MLCC 0402 0 1UF K 16V X7R C456 065T0402104 12 MLCC 0402 0 1UF K 16V X7R C474 065T0402104 12 MLCC 0402 0 1UF K 16V X7R C476 065T0402104 12 MLCC 0402 0 1UF K 16V X7R C478 065T0402104 12 MLCC 0402 0 1UF K 16V X7R C479 065T0402104 12 MLCC 0402 0 1UF K 16V X7R C480...

Page 58: ...MLCC 0402 47NF K 16V X7R C103 065T0402473 12 MLCC 0402 47NF K 16V X7R C104 065T0402473 12 MLCC 0402 47NF K 16V X7R C109 065T0402473 12 MLCC 0402 47NF K 16V X7R C108 065T0402473 12 MLCC 0402 47NF K 16V X7R C107 065T0402473 12 MLCC 0402 47NF K 16V X7R C471 065T0603105 12 CHIP 1UF 16V X7R C473 065T0603105 12 CHIP 1UF 16V X7R C475 065T0603105 12 CHIP 1UF 16V X7R C443 065T0603105 12 CHIP 1UF 16V X7R C4...

Page 59: ...D110 093T 6433P BAV99 D104 093T 6433P BAV99 D103 093T 6433P BAV99 D102 093T 6433P BAV99 D101 093T 6433P BAV99 D100 093T 6433P BAV99 D401 093T 6433P BAV99 D105 093T 39S 24 T RLZ 5 6B LLDS D106 093T 39S 24 T RLZ 5 6B LLDS D108 093T 39S 24 T RLZ 5 6B LLDS D109 093T 39S 24 T RLZ 5 6B LLDS D114 093T 39S 24 T RLZ 5 6B LLDS D115 093T 39S 24 T RLZ 5 6B LLDS 715T2209 1 MAIN BOARD PCB R004 061G 21024252T RS...

Page 60: ... 1 10W R238 061G0603123 RST CHIPR 12 KOHM 5 1 10W R216 061G0603221 RST CHIPR 220 OHM 5 1 10W R214 061G0603222 RST CHIPR 2 2 KOHM 5 1 10W R212 061G0603392 RST CHIPR 3 9 KOHM 5 1 10W R236 061G0603511 RST CHIPR 510 OHM 5 1 10W R240 061G0603513 RST CHIPR 51 KOHM 5 1 10W R234 061G0603911 RST CHIPR 910 OHM 5 1 10W R210 061G0603912 RST CHIPR 9 1 KOHM 5 1 10W R916 061G0805100 3F RST CHIPR 100KOHM 1 1 8W R...

Page 61: ...927 065G0805104 32 CHIP 0 1U 50V X7R C910 065G0805104 32 CHIP 0 1U 50V X7R C225 065G0805105 27 CHIP 1UF Y5V 0805 C219 065G0805105 27 CHIP 1UF Y5V 0805 C211 065G0805105 27 CHIP 1UF Y5V 0805 C209 065G0805105 27 CHIP 1UF Y5V 0805 C203 065G0805105 27 CHIP 1UF Y5V 0805 C208 065G0805331 31 CHIP 330pF 50V NPO C940 065G0805471 31 CHIP 470PF 50V NPO C221 065G0805474 27 CHIP 0 47UF 25V Y5V D203 093G 39S 3 T...

Page 62: ...18 061G 17210352T CFR 10KOHM 5 1 4W R908 061G 17268952T 6 8OHM 5 1 4W R922 061G 20747052T 47 OHM 1 2W R920 061G 20747052T 47 OHM 1 2W R220 061G 60218352T 18KOHM 5 1 6 R205 061G 60247352T 47KOHM 5 1 6W FB903 071G 55 19 T FERRITE BEAD D9X3 5X0 8 FB901 071G 55 29 FERRITE BEAD ZD902 093G 39 5452T HZ12B2 E ZD903 093G 39 7752T HZ5C1 E D902 093G 6038P52T PS102R D903 093G 64 1152T 1N4148 D209 093G 64 1152...

Page 63: ...908 065G 450104 7T 0 1UF 80 20 50V Y5V C920 065G517K102 5T6921 1000PF 10 500V Y5P C921 065G517K102 5T6921 1000PF 10 500V Y5P C207 067G 2154797NT LOW ESR 4 7UF 20 50V BY CHEM C907 067G 3052207NT GP KME50VB22M TP5 5 11 D901 093G 6026W52T FR107 ...

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