LG Z15LCD1 Service Manual
LG Z15LCD1 Manual
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- LG Z15LCD1 | Service Manual - Page 1
Website:http://biz.LGservice.com e-mail: http://www.LGEservice.com/techsup.html LCD TV SERVICE MANUAL FACTORY MODEL: 15LV1R.AUSBZA MODEL: Z15LCD1 CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. - 1 - - LG Z15LCD1 | Service Manual - Page 2
CONTENTS CONTENTS ...2 PRODUCT SAFETY ...3 SPECIFICATION ...6 ADJUSTMENT INSTRUCTION ...9 TROUBLE SHOOTING ...11 BLOCK DIAGRAM...15 WIRING DIAGRAM ...17 EXPLODED VIEW ...18 REPLACEMENT PARTS LIST 20 SVC. SHEET ...- 2 - - LG Z15LCD1 | Service Manual - Page 3
SAFETY PRECAUTIONS - 3 - - LG Z15LCD1 | Service Manual - Page 4
SERVICING PRECAUTIONS . - 4 - - LG Z15LCD1 | Service Manual - Page 5
- 5 - - LG Z15LCD1 | Service Manual - Page 6
be operated for about 30 minutes prior to the adjustment. 3.General Specification (TV) No Item 1. Input Signal 2. Component Support 3. Input Voltage 4. Market 5. Screen Size 6. Vertical refresh rate 7. Horizontal frequency 8. Resolutions 9. Operating Environment 10. Storage Environment - LG Z15LCD1 | Service Manual - Page 7
4. External Input Format 4-1. RGB Input Dots × Lines 720 ×400 640 ×480 800 ×600 1024 x 768 Vertical Frequency (Hz) 70.1 59.9 72.0 75.0 60.3 72.2 75.0 60.0 70.0 75.0 Horizontal Frequency (KHz) 31.5 31.5 37.9 37.5 37.9 48.1 46.9 48.3 56.5 Sync Polarity Presence Screen Mode Horizontal Vertical - LG Z15LCD1 | Service Manual - Page 8
4-3. TV RF Inputs TUNER SIGNAL Receiving System Channel Coverage Tuner VHF Low band VHF High band UHF band IF Frequency Impedance LEVEL NSTC-M NSTC-M ChangHong AF5-U2F11RW AIR CATV 55.25~127.25 55.25~127.25 133.25~361.25 133.25~361.25 367.25~801.25 367.25~801.25 Picture carrier Sound - LG Z15LCD1 | Service Manual - Page 9
1. EDID content (RGB) ADJUSTMENT INSTRUCTION 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 0 00 FF FF FF FF FF FF 00 1E - LG Z15LCD1 | Service Manual - Page 10
volume. 0~9/100 To select a TV channel directly PRE-CH To return the last channel you were watching. PC To change PC mode (only for Z15LCD1) V-CHIP Press this button to setup parental control. TV/VIDEO Select your input source: press repeatedly to select TV, AV1, AV2, S-Video or Component - LG Z15LCD1 | Service Manual - Page 11
TROUBLE SHOOTING 1. No Power (No LED indicator) No Power Check power cord and NG Plug in power cord and interface OK Check F901, BD901 OK Check - LG Z15LCD1 | Service Manual - Page 12
2. No Display (LED indicator green) No display Check the source OK Check LVDS cable OK Check 5V, 12V power OK NG Reset source NG Replace LVDS cable NG Return to "1" Check main board power supply OK NG Check U406 OK Check I2C communication Replace U406 NG Repair I2C communication relative - LG Z15LCD1 | Service Manual - Page 13
4. Abnormal Display Abnormal display Check the source OK Check signal filter circuit NG Reset source NG Replace the filter or inductance AV, S-video signal component signal OK Repair each relative circuit Check input signal OK Check LVDS cable OK Check panel OK RF signal Check TV system setup - LG Z15LCD1 | Service Manual - Page 14
5. No Sound No sound Check the source OK Check signal filter circuit Reset source NG Replace the filter or inductance Check Earphone jack OK NG Replace the Earphone jack SIF signal Check TV system setup OK Check TU100 NG Replace TU100 AV, component, S-video signal NG Check relative - LG Z15LCD1 | Service Manual - Page 15
1. Main Board BLOCK DIAGRAM PHILIPS LOC1 TV Block Diagram PC D-sub HD input PC H/V Input Switch 4052 Y/PR/PB Video H/V Output Select H/V Input RGB PI5V 330W PI5V 330W RGB Gain Input VIDEO 1 S-VIDEO ANT INT IF Tuner Philips 1336MK SawFilter /VF45A3M SawFilter /AF45A3M Video IF Audio IF - LG Z15LCD1 | Service Manual - Page 16
2. Power Board - 16 - - LG Z15LCD1 | Service Manual - Page 17
WIRING DIAGRAM - 17 - - LG Z15LCD1 | Service Manual - Page 18
EXPLODED VIEW - 18 - - LG Z15LCD1 | Service Manual - Page 19
EXPLODED VIEW PARTS LIST No. LG Part No. TPV Part No. 010 EBU32313801 CBPF5A6KCHLTP 020 EBU32326601 PWTV1542AUB1P 030 EBR32314501 TUPFAAAP 040 EBR32315201 IRPFAADP 050 EBR32315401 KEPF5A2P 060 EBR32316301 HJPF5A2P 070 6410TUW008A - LG Z15LCD1 | Service Manual - Page 20
50(W)*135 ADHESIVE TYPE AUDIO CABLE SIGNAL CABLE POWER CORD HEAT SINK BATTERY WIRE HARNESS WIRE HARNESS WIRE HARNWSS WIRE HARNESS LVDS CABLE Remote fuhua for LG SCREW SCREW SCREW SCREW M3X6 SCREW M3X6 SCREW M3X6 SCREW SCREW SCREW SCREW T3X6 Location Part No. for TPV 0Q1T1030 12128 705TQ5K0B34006 - LG Z15LCD1 | Service Manual - Page 21
Location Part No. for TPV Q34T0044 YKA1A Q34T0045 YMA1A 012T 394 3 015T6349 1 0Q1T 140 12120 HJPF5A2P Q11T7007 1 Q34T6389 RG L Q34T6390 YK 1L 040T 457624 1B 040T 45762412B 044T3231508512 SMTF5A6KCHLTP 040T 45762420A 051T 6 4503 705T 560 57 B1 705T 560 93 B1 705T 560 93 B2 - LG Z15LCD1 | Service Manual - Page 22
Location Part No. for TPV Description CN901 006G 31500 EYELET CAPACITANCE C228 067T215H102 3R 1000UF 16V FOR ROBYCON C167 067T215H102 3R 1000UF 16V FOR ROBYCON C154 067T305V101 7 105 100UF +-20% 50V C454 067T305V471 3 105470UF +-20% 16V C903 063T 10747410S capacitance C825 065T - LG Z15LCD1 | Service Manual - Page 23
Location Part No. for TPV C246 065T0603104 12 C136 065T0603104 12 C470 065T0603104 12 C469 065T0603104 12 C445 065T0603104 12 C437 065T0603104 12 C435 065T0603104 12 C288 065T0603104 12 C287 065T0603104 12 C286 065T0603104 12 C285 065T0603104 12 C284 065T0603104 12 C283 - LG Z15LCD1 | Service Manual - Page 24
Location Part No. for TPV C476 065T0603120 31 C439 065T0603221 31 C438 065T0603221 31 C142 065T0603221 31 C140 065T0603224 17 C141 065T0603224 17 C237 065T0603224 17 C289 065T0603224 17 C290 065T0603224 17 C301 065T0603224 17 C299 065T0603224 17 C298 065T0603224 17 C297 - LG Z15LCD1 | Service Manual - Page 25
Location Part No. for TPV C303 065T0603474 17 C304 065T0603474 17 C305 065T0603474 17 C306 065T0603474 17 C307 065T0603474 17 C308 065T0603474 17 C216 065T0603509 31 C215 065T0603509 31 C158 065T0603683 32 C217 065T0805155 A2 C233 065T0805225 17 C232 065T0805225 17 C148 - LG Z15LCD1 | Service Manual - Page 26
Location Part No. for TPV C804 065T0805225 12 C827 065T0805471 31 C818 065T0805471 31 C810 065T0805471 31 C809 065T0805473 32 C912 065T1206102 72 C911 065T1206102 72 C212 061V0603000 C211 061V0603000 C210 061V0603000 C209 061V0603000 C609 065T0603102 32 C611 065T0603102 32 - LG Z15LCD1 | Service Manual - Page 27
Location Part No. for TPV D409 093T 6432P D406 093T 6433P D405 093T 6433P D407 093T 6433P D403 093T 6433P D404 093T 6433P ZD401 093T 39S 34 T ZD402 093T 39S 34 T ZD403 093T 39S 34 T ZD405 093T 39S 34 T ZD406 093T 39S 34 T D201 093T 64S51752T D904 D905 D807 D803 D801 D907 D906 - LG Z15LCD1 | Service Manual - Page 28
Location Part No. for TPV L602 073T 5568910T L101 073T 253137 ER L102 073T 253137 ER L902 073L 174 26H1G L901 073L 174 29LSH L904 073T 253 91 H L903 073T 253 91 H L219 073T 5547010T L218 073T 5547010T LED1 081T 12 6 GP L215 061V0603000 L216 061V0603000 L217 061V0603000 - LG Z15LCD1 | Service Manual - Page 29
Location Part No. for TPV Description Q901 006T 31502 1.5MM RIVET RESISTANCE R561 061T153M100 59 10 OHM 5% 3W VAR901 061T 46 6 VARISTOR 10A 470V NCC NR901 061T 58050 WT NTC THERMISTOR R908 061T152M10458G6267 100K OHM 5% 2W R914 061T152M398 64 0.390HM 2W R665 061T155M47961E RST - LG Z15LCD1 | Service Manual - Page 30
Location Part No. for TPV R545 061V0603101 R526 061V0603101 R525 061V0603101 R524 061V0603101 R253 061V0603101 R218 061V0603101 R219 061V0603101 R221 061V0603101 R223 061V0603101 R239 061V0603101 R240 061V0603101 R242 061V0603101 R252 061V0603101 R251 061V0603101 R250 - LG Z15LCD1 | Service Manual - Page 31
Location Part No. for TPV R527 061V0603104 R528 061V0603104 R529 061V0603104 R272 061V0603105 R214 061V0603122 R213 061V0603122 R212 061V0603122 R211 061V0603122 R409 061V0603123 R490 061V0603131 R491 061V0603131 R494 061V0603131 R558 061V0603151 R553 061V0603152 R113 - LG Z15LCD1 | Service Manual - Page 32
Location Part No. for TPV R284 061V0603473 R287 061V0603681 R544 061V0603750 R521 061V0603750 R519 061V0603750 R518 061V0603750 R512 061V0603750 R506 061V0603750 R505 061V0603750 R504 061V0603750 R288 061V0603750 R418 061V0603823 R210 061V1206000 R120 061V1206229 R119 - LG Z15LCD1 | Service Manual - Page 33
Location Part No. for TPV R828 061V1206150 R819 061V1206150 R818 061V1206150 R840 061V1206330 R839 061V1206330 R909 061V1206339 R918 061V1206470 R917 061V1206470 R916 061V1206470 R915 061V1206470 R805 061V1206471 R901 061V1206684 R902 061V1206684 R903 061V1206684 R205 - LG Z15LCD1 | Service Manual - Page 34
Location Part No. for TPV R09 R02 R05 R2 R1 R910 R904 R919 R832 R822 FB FB416 FB414 FB413 FB412 FB411 FB410 FB409 FB408 FB104 FB117 FB103 FB105 FB202 FB203 FB207 FB209 FB210 FB211 FB213 FB214 061L0603680 0F 061V0603150 0F 061V0603330 0F 061V0603391 061V0603391 061T 17210052T 061T 17210452T 061T - LG Z15LCD1 | Service Manual - Page 35
Location Part No. for TPV FB1 071T 56U601 FB901 095T 90 23 JUMPER J102 088T 30214K J101 088T 78 13 3C J103 088T 78 1R CL J820 061V0805000 J819 061V0805000 J810 095T 90 23 J811 095T 90 23 J812 095T 90 23 J813 095T 90 23 J814 095T 90 23 J815 095T 90 23 J816 095T 90 23 - LG Z15LCD1 | Service Manual - Page 36
ROUT GOUT BOUT PR_CR PB_CB HD_Y C403 R499 4.7k 1 + 10uF/16V R487 10k REF C401 R498 4.7k 1 + 10uF/16V R484 10k REF C406 R497 4.7k 1 + 10uF/16V R489 10k REF C404 R501 4.7k 1 + 10uF/16V R485 10k REF C405 R496 4.7k 1 + 10uF/16V R488 10k REF C402 R502 4.7k 1 + 10uF/16V - LG Z15LCD1 | Service Manual - Page 37
16 15 Y 14 13 12 11 10 9 8 7 6 5 4 3 2 1 KEYBOARD CN114 8 7 6 5 4 CONN 3 2 1 C168 100P Change LED controll +5V OCT-31-05 FB118 150 OHM FB119 150 OHM REMOTE +5V_SW FB120 FB121 150 OHM 150 OHM esd C169 REF 100P C170 100P C171 100P REF KEYB REF MOR MOL SCIR1 SCIL1 SCIL2 MUTE - LG Z15LCD1 | Service Manual - Page 38
ON_OFF IIC_SEL R560 2k +5V R541 4.7k D410 1N4148 D409 1N4148 R534 R535 1k 1k 1 Q418 PMBS3904 3 2 +5V R540 4.7k 3 R552 22K 1 Q415 PMBS3904 2 SDA VSDA SCL VSCL R522 100 R551 100 +5V C491 100P FB416 B0805/0 ISP_SCL UPDATE POWER SUPPLY FROM +5V_SW TO +5V ISP_SDA U407 74HC4052D - LG Z15LCD1 | Service Manual - Page 39
ZD401 5.6V 1 2 2 3 1 16 VGA-V +5V_SW D401 BAV70 R547 2.7k ZD402 5.6V R526 R525 100 100 R548 2.7k U301 8 7 VCC 6 5 WP SCL SDA 1 A0 2 A1 A2 GND 3 4 M24C02WMN6 C470 100n REF REF 2 1 REF CN105 DB15 15 14 13 12 11 17 ISP_SDA ISP_SCL Pin5 change to GND,IIC_SEL change to Pin 11 - LG Z15LCD1 | Service Manual - Page 40
XTAL2LI +5V_SW R223 100 R213 1.2K U202 K3953M 5 4 3 2 1 SAW_SW IF L203 560nH R256 10K D201 BA792 3 R212 1.2K R285 3 1 R211 1.2K 2 Q201 BC847B C254 0.1uF 47K 1 2 Q202 BC847B C225 + 10u C253 0.1uF R294 0 U203 K9650M 5 4 3 2 1 R201 0 VIFIN2 VIFIN1 SIFIN2 SIFIN1 - LG Z15LCD1 | Service Manual - Page 41
SOR1 R292 NC SOL1 R293 NC MOR MOL SCIL1 SCIR1 SCOL1 SCOR1 R260 10K R261 10K GND4 C232 C233 C234 2.2uF 2.2uF 4.7u R203 0 R204 0 C293 0.22uF C294 0.22uF C295 0.47uF C296 0.47uF SOL1 R227 100 SOR1 R228 100 change from +5V_SW to +5V_SW1 Mar-22-06 +5V_SW1 GND2 FB209 600 + C203 - LG Z15LCD1 | Service Manual - Page 42
change from +5V_SW to +5V_SW1 Mar-22-06 +5V_SW1 Hout VIN UIN YIN YOUT UOUT VOUT FBLIN PR_CR HD_Y PB_CB R286 47K + C221 100u C279 0.1UF SANDC FB213 600 R309 R307 R308 R232 100 NC C270 0.1UF NC C272 0.1UF NC C274 0.1UF R275 GND5 27K R262 10K REF R220 10 GND5 C271 0.1UF C281 0.1UF - LG Z15LCD1 | Service Manual - Page 43
+3.3Vstb +1.8V_1 +3.3Vstb R295 10k R268 15k REMOTE S_CTL Ext_Hsync_sel DIG1 ADD PANELVDDD_EN CONTROLL OCT-31-05 PanelVDD_EN R240 R249 R252 C301 100 100 100 0.22uF R247 100 D_DECT ASTB R271 1K R276 - LG Z15LCD1 | Service Manual - Page 44
RAIN GAIN BAIN R406 10E C463 33n C458 10pf C467 33n R412 47R SCALER_R FER_R R407 10E C465 33n C464 22n C457 10pf C468 33n R410 47R SCALER_G IN_SOG FER_G R408 10E C462 33n C459 10pf C466 33n R411 47R SCALER_B FER_B VSCL VSDA R414 need NC to active +3.3V_IO BL_EN&BL_ADJ +3.3V_AVI +1.8V_ADC - LG Z15LCD1 | Service Manual - Page 45
A[0..17] CN104 R458 1 2 3 4 STOCKO 4P R457 47R 47R SCL IIC_SCL IIC_SDA SDA +5V C437 100n D[0..7] ADD Ground OCT-31-05 A[0..17] FLASH_WR FLASH_RST +3.3Vs_SW R452 C435 100n +3.3Vs_SW R455 10k A(17) A(14) FLASH_OE 10k A(16) A(15) A(12) A(7) A(6) A(5) A(4) A(3) A(2) A(1) A(0) U406 1 2 - LG Z15LCD1 | Service Manual - Page 46
RSN5 RSN6 RSN7 RSN8 RSN9 RSN0 RSN1 RSN2 RSN3 RSNR5SN4 RSN6 RSN7 RSN8 RSN9 RSN0 RSN1 RSN2 RSN3 RSN4 PANEL_VDD CN113 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 12*2PIN/2.0mm C454 + 470uF/16V C445 100n R429 0R change from 10 uF to 470 uF Mar-23-06 - LG Z15LCD1 | Service Manual - Page 47
CN103 10 9 8 7 6 5 4 3 2 1 10PIN 2.5MM +5V_SW +5V_SW +3.3Vs_SW +3.3Vs_SW R115 R116 1k 1k R128 NC R129 NC R121 22k R124 22k L L101 3 Q116 PMBS3904 1 R106 100k BL_ADJ 2 REF Q109 3 +5V PMBS3904 R107 4.7k 1 BL_EN +5V C147 + 10u 1 GND U102 LM1117MP-3.3 3 4 VIN CASE VOUT 2 C151 + - LG Z15LCD1 | Service Manual - Page 48
+1.8VS_SW FB105 150 OHM +1.8V_PPLL C123 100n C119 100n +1.8VS_SW +1.8V_XTL FB113 BLM21A102S C132 100n C114 100n +3.3V_PLL + C101 10u/10V C122 100n +3.3Vs_SW FB111 BLM21A102S +3.3V_AVI FB106 BLM21A102S + C103 22u/6v3 C106 100n C110 100n C111 100n +1.8VS_SW FB107 +1.8V_CORE - LG Z15LCD1 | Service Manual - Page 49
POWER BOARD PARTS ! DB901 U4KB80R +4 2 3 1- 3 2 ! L902 1 4 ! C902 102PF/250V ! C901 102PF/250V 3 2 ! L901 4 1 ! C903 0.47uF/275V ! R901 680K 1/4W ! R903 680K 1/4W ! R902 680K 1/4W ! VAR901 Varistor/470V/10A ! NR901 NTCR ! F901 2A 250V 3 2 1 ! CN901 CONN ! + C904 100uF/ - LG Z15LCD1 | Service Manual - Page 50
R819 15 /0805 C813 1.5N/50V +12V R802 300K / 0805 ON/OFF 1 Q807 R803 PMBS3904 3 10K / 0805 1 2 R806 NC C801 NC 2 3 R804 10K / 0805 Q802 PMBS3904 R805 470 /0805 + C811 Q803 PMBS3904 1 3 470uF/25V VCC 2 ZD801 RLZ5.6B +5V R838 NC_ / 0805 DIM R808 300K R809 750K R807 22 / - LG Z15LCD1 | Service Manual - Page 51
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Website:http://biz.LGservice.com
LCD TV SERVICE
MANUAL
FACTORY MODEL: 15LV1R.AUSBZA
MODEL: Z15LCD1
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.