LG CM1530, Service Manual

Page 1: ... MODEL CM1530 CM1530 CMS1530F CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL MODEL CM1530 CM1530 CMS1530F SERVICE MANUAL 3 1 0 2 MARCH 76015232 N F A O N P Website http biz lgservice com Internal Use Only ...

Page 2: ...CONTENTS SECTION 1 GENERAL SECTION 2 CABINET MAIN CHASSIS SECTION 3 ELECTRICAL SECTION 4 REPLACEMENT PARTS LIST 1 1 ...

Page 3: ...UMMARY CONTENTS SERVICING PRECAUTIONS 1 3 ESD PRECAUTIONS 1 5 SERVICE INFORMATION FOR EEPROM 1 6 PROGRAM UPDATE GUIDE 1 7 1 HOW TO UPDATE MICOM PROGRAM 1 7 2 HOW TO UPDATE CD ALI PROGRAM 1 8 SPECIFICATIONS 1 9 1 2 ...

Page 4: ... the eyes Absolutely never permit laser beams to enter the eyes Also NEVER switch ON the power to the laser output part lens etc of the pick up if it is damaged 5 Cleaning the lens surface If there is dust on the lens surface the dust should be cleaned away by using an air bush such as used for camera lens The lens is held by a delicate spring When cleaning the lens surface therefore a cotton swab...

Page 5: ...eplacing a component part first disconnect the power supply lead wire from the unit 2 All equipment measuring instruments and tools must be grounded 3 The workbench should be covered with a conductive sheet and grounded When removing the laser pick up from its conductive bag do not place the pick up on the bag This is because there is the possibility of damage by static electricity 4 To prevent AC...

Page 6: ... damage ESD devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ESD devices 6 Do not remove a replacement ESD device from its protective package until immediately before you are ready to install it Most replacement ESD devices are packaged with leads electrically shorted together by conductive foam aluminum foil or comparable conductive materia...

Page 7: ... 121010 V32 01001 Press Set Front STOP key Remote control FWD SKIP key FLD Display E2P CLR Completed NO SOFTWARE FILE NAME 1 FM_ONLY_IPOD _ _00000 2 FM_ONLY_NO IPOD _ _00001 3 FM_RDS_IPOD _ _01000 4 FM_RDS_NO IPOD _ _01001 5 AM_FM_IPOD _ _10100 6 AM_FM_NO IPOD _ _10101 7 DAB_FM_RDS_IPOD _ _D01000 8 DAB_FM_RDS_NO IPOD _ _D01001 1 6 SERVICE INFORMATION FOR EEPROM ...

Page 8: ...of USB storage 3 Put the USB into the set Change set function to USB function Then the upgrade process will be started with the upgrade intormation Set display show MCU UP 4 If the upgrade process is complete the set will be rebooted with COMPLETED message and set auto power off 5 Pull out the USB storage Completed set auto power off 1 7 PROGRAM UPDATE GUIDE ...

Page 9: ...B into the set Change set function to USB function Then the upgrade process will be started with the upgrade intormation Set display show UPDATING 4 If the upgrade process is complete the set will be rebooted with COMPLETED message SPK BUZZER no stop 5 Pull out the USB storage 3 only ALARM SHOW UPGRADE 15S after ALARM NO STOP SHOW COMPLETED KEY Press POWER OFF Pull out the USB COMPLETED KEY 1 8 ...

Page 10: ... TUNER z H M 0 0 8 0 1 o t 0 5 7 8 r o z H M 0 8 0 1 o t 5 7 8 e g n a R g n i n u T M F 522 to 1 620 kHz 520 to 1 710 kHz or 522 to 1 710 kHz e g n a R g n i n u T M A AMPLIFIER W 5 W 5 r e w o P t u p t u O 0 1 D H T CD Frequency Response 40 Hz to 20 kHz B d 0 7 o i t a r e s i o n o t l a n g i S B d 5 5 e g n a r c i m a n y D SPEAKERS r e k a e p s 1 y a w 1 e p y T 6 e c n a d e p m I Ω W 5 ...

Page 11: ...1 10 MEMO ...

Page 12: ...SECTION 2 CABINET MAIN CHASSIS CONTENTS EXPLODED VIEWS 2 3 1 CABINET AND MAIN FRAME SECTION CM1530 2 3 2 PACKING ACCESSORY SECTION 2 7 3 SPEAKER SECTION CMS1530F 2 8 2 1 ...

Page 13: ...2 2 MEMO ...

Page 14: ...290 265 A26 A46 A47 A43 265 460 460 256 260 261 262 264 263 300 259 257 258 265 265 460 258 453 452 A42 252 251 451 254 452 A48 CABLE5 CABLE11 CABLE4 NOTES THE EXCLAMATION POINT WITHIN AN EQUILATERAL TRIANGLE IS INTENDED TO ALERT THE SERVICE PERSONNEL TO THE PRESENCE OF IMPORTANT SAFETY INFORMATION IN SERVICE LITERATURE ...

Page 15: ...MEMO MEMO ...

Page 16: ...900 Remote Control 824 AM Antenna 808 Battery 802 Box 803T Packing 803B Packing 804 Bag 801 Instruction Ass y 2 PACKING ACCESSORY SECTION ...

Page 17: ...A60L A60R 3 SPEAKER SECTION CMS1530F ...

Page 18: ...DA CLK RST WAVEFORM 3 14 5 AT FIRST ACTION FOCUS SIGNAL A B C D 3 15 6 RF WAVEFORM ANALOG SCOPE 3 16 WIRING DIAGRAM 3 17 BLOCK DIAGRAM 3 19 CIRCUIT DIAGRAMS 3 21 1 SMPS CIRCUIT DIAGRAM 3 21 2 MAIN 1 CIRCUIT DIAGRAM 3 23 3 MAIN 2 CIRCUIT DIAGRAM 3 25 4 MAIN 3 CIRCUIT DIAGRAM 3 27 5 MAIN 4 CIRCUIT DIAGRAM 3 29 6 DISPLAY USB CIRCUIT DIAGRAM 3 31 7 IPOD CIRCUIT DIAGRAM 3 33 CIRCUIT VOLTAGE CHART 3 35 ...

Page 19: ...se Replace D907 Replace T901 Replace ZD902 YES YES YES YES YES YES NO NO NO F901 nomal D907 nomal T901 nomal Replace D901 D904 Check or replace IC902 NO NO D901 D904 nomal Is VCC 9 V 18 V supplied to IC901 pin2 3 2 ELECTRICAL TROUBLESHOOTING GUIDE ...

Page 20: ...r line of main PCB is short YES YES YES YES YES YES YES YES NO NO NO NO F901 nomal ZD902 nomal T901 nomal L903 nomal Replace D901 D904 Replace D909 Check or replace IC902 NO NO NO D901 D904 nomal D909 nomal Is VCC 9 V 18 V supplied to IC901 pin2 3 3 ELECTRICAL TROUBLESHOOTING GUIDE ...

Page 21: ...NO NO YES NO YES Check the signal output of IC702 pin1 2 14 15 Check the speakers connection R750 R751 R733 R734 nomal Check IC702 pin6 voltage 4 5 V NO NO YES NO YES Check the signal output of FB711 FB714 Check the signal input IC702 pin4 12 Check the IC702 VDD pin3 13 of power circuit 3 4 ELECTRICAL TROUBLESHOOTING GUIDE ...

Page 22: ...eck the VCC power circuit Check the signal input of IC703 pin5 6 YES YES NO NO YES NO YES Check the signal output of TU401 pin1 2 Check the signal input circuit R717 R760 R768 R769 C707 C710 C711 C719 C724 C907 Check TU400 pin4 TU_CK pin5 TU_DA pin7 TU_RST NO YES NO NO YES Check the signal input of IC703 pin7 8 Check TU401 VCC normal 3 5 ELECTRICAL TROUBLESHOOTING GUIDE ...

Page 23: ...pick up movement Check IC800 CD5888 and IC801 ALI5677 Replace IC800 and IC801 OK YES YES YES YES NO Check Open Close Check connector CN801 Check connector CN801 NO NO NO NO NO Check READING display Check Reading OK 3 6 ELECTRICAL TROUBLESHOOTING GUIDE ...

Page 24: ... up or IC800 pin11 12 IC801 pin96 F_DO pin97 F_DI pin98 F_CS pin99 F_CLK pin100 MRST signal Check IC801 pin97 F_DI pin98 F_CS signal Replace IC802 Normal Defective pick up or Q801 circuit Defective pick up or IC800 IC801 Defective pick up or IC800 IC801 Defective pick up or IC800 IC801 NO NO NO NO NO NO NO NO NO NO NO Does sled motor move Does laser light Does the laser move Check IC801 pin22 XOUT...

Page 25: ...heck CON107 pin2 3 D D signal Check IC801 OK Check power supply circuit USB 5 V Check IC801 pin41 42 D D Check IC700 circuit Normal NO NO NO NO NO Check CHECKING or USB display Check reading OK If play audio output check NO YES 3 8 ELECTRICAL TROUBLESHOOTING GUIDE ...

Page 26: ...CN101 connect wire Check FB307 FB702 normal NO NO NO YES YES YES YES NO YES YES Check IC103 pin36 VFD STB pin37 VFD CLK pin38 VFD DATA signal Check CN101 pin7 VFD_DATA pin8 VFD_STB pin9 VFD_CLK signal Check IC103 pin62 63 VCC 3 3 V Check CON301 pin10 IC301 normal Check IC301 pin25 VCC 3 3V Replace IC103 Check IC301 pin9 SCL pin10 SDA NO NO NO 3 9 ELECTRICAL TROUBLESHOOTING GUIDE ...

Page 27: ...1 GPIOF0 SDD0 82 GPIOF1 SD_CLK 83 GPIOF2 SD_PWR 84 GPIOF3 SD_CMD 85 GND_PAD 86 VDD_PAD 87 GPIOG2 SDD3 88 GPIOG3 SDD2 89 GPIOG4 AM FM 90 GPIOG5 LCD_CS 91 GPIOG6 LCD_WR 92 GPIOG7 LCD_DAT 93 GPIOH0 DOCD_DATO 94 GPIOH1 DOCD_DATI 95 GPIOH2 DOCD_CLK 96 GPIOH3 SFDO 97 GPIOH4 SFDI 98 GPIOH5 FSCSB 99 GPIOH6 SFSCK 100 PRSTB 101 GPIOH7 USE_RCOSC 102 GPIOI0 I2C_CLK 103 GPIOI1 I2C_DAT 104 GPIOI2 IRC 105 GPIOI3...

Page 28: ...P1_2 EXT_INT2 40 P1_3 EXT_INT3 39 P1_4 SPI_MOSI 38 P1_5 SPI_MISO 37 P1_6 SPI_CLK 36 P1_7 SPI_SSB 35 GPIO9 IIC_SCL 34 GPIO9 IIC_SDA 46 P3_4 EXT_INT4 TO 45 P3_5 EXT_INT5 T1 47 P3_3 INT1 48 P3_2 INT0 49 P3_1 UART0_TX 50 P3_0 UART0_RX 51 GPIO6 UART1_TX 52 GPIO5 UART1_RX 53 RESET 54 GPIO4 XTAL_IN_20M 55 XTAL_OUT_20M 56 XTAL_IN_32K 57 XTAL_OUT 32K 58 REMOTE 59 GPIO3 PWM0 60 GPIO1 PWM1 61 VDD18 62 VDD33 ...

Page 29: ...7 102P C726 102P 4 5 6 7 1 2 3 8 1 3 2 4 5 6 7 8 21 5 5 5 5 5 5 86 1 0 3 86 9 3257 7 3257B 3257 1 3257B5 S 5 5 5 5 5 R0603 5 R0603 2 1 3 KDS226 2 1 3 KDS226 5 5 R0603 5 5 5 3 1 2 4 3904 3 1 2 4 8550 3 1 2 4 8550 5 8 B 8 B5 PORT DET USB 5V 3B86 0B86 USB 5V USB 5V 9 0 8 IPOD_GND CHANG USB_5V USB_5V USB_P USB_P USB_N USB_N ...

Page 30: ...EFORM IN MD DEVICE SLED HOME Figure 3 At power ON 12 11 13 14 12 11 14 13 5 5 5 5 5 R846 10K C830 103P 1 SPIN 2 SPIN 4 SLED 3 SLED 5 LIMIT1 6 GND 1 72 0 S PP 0 7 6 6 63 63 1 3V3SD SPIN SPIN L LIMIT SL SL SL SL SL SL SP SP SP SP ...

Page 31: ...SEN 10 FM_ANT 1 SCLK 2 SDIO 3 VDD 4 GND 5 ROUT 11 RF_GND 12 AM_ANT TU401 SI4702 R405 47K 1 2 3 4 5 6 7 8 9 10 11 12 TU400 SI4730 D60 L403 2 2UH C425 2 2uF R417 10K C418 101 L402 270NH C426 33p FM_ANT C424 2 2uF C422 100p C413 X S R408 82R S 2 1 3 KDS226 GND GND GND GND GND GND GND GND TUNER 5V B6 B6 FM L FM R PLL_CS 78 5 6 7 L OUT R OUT R OUT L OUT IIC_SCL1 IIC_SDA1 IIC_SCL1 IIC_SDA1 78 5 6 7 781 ...

Page 32: ...VOSL 13 VOFC 14 VOFC 15 VOTK 16 VOTK 17 VOLD 18 VOLD 19 VCC2 20 OPIN 21 VCTL 22 GND 23 VINLD 24 OPOUT 25 TRB_2 26 VINTK 27 BIAS 28 MUTE 29 GND 30 GND CD5888 1 VC 2 VCC 3 E 4 D 5 A 6 B 7 C 8 F 9 GND 10 LD 11 VR 12 MD 13 F 14 T 15 T 16 F CN801 72 3 83 S PP R838 24K C838 0 47uF C152 0 1uF VC 9 1 0 7 7 M33V CD 5V CD 5V GND CD 5V CD 5V GND HAVC FOCUS XSPINDLE FOCUS XSLEGP MCPUH TRACK SPIN MDPUH MUTE34 ...

Page 33: ...D1 81 GPIOF0 SDD0 82 GPIOF1 SD_CLK 83 GPIOF2 SD_PWR 84 GPIOF3 SD_CMD 85 GND_PAD 86 VDD_PAD 87 GPIOG2 SDD3 88 GPIOG3 SDD2 89 GPIOG4 AM FM 90 GPIOG5 LCD_CS 91 GPIOG6 LCD_WR 92 GPIOG7 LCD_DAT 93 GPIOH0 DOCD_DATO 94 GPIOH1 DOCD_DATI 95 GPIOH2 DOCD_CLK 96 GPIOH3 SFDO 97 GPIOH4 SFDI 98 GPIOH5 FSCSB 99 GPIOH6 SFSCK 100 PRSTB 101 GPIOH7 USE_RCOSC 102 GPIOI0 I2C_CLK 103 GPIOI1 I2C_DAT 104 GPIOI2 IRC 105 GP...

Page 34: ... 3 18 Ipod Connection Mcu UPDATING jack power supply Connection DISPLAY DATA KEY DATA USB PORT IN connection pick up connection AC supply Connection Motor control connection FM ANT connection WIRING DIAGRAM ...

Page 35: ...0V FL FR 3 3V L R L R I2C rl tj jh _X_ ZYri hGsGp tG G G G I2C 5V EEPROM 24C02 Ant M LIMIT SW CD PWR ͽ ͽ ͷ ͷ CD L R m uj pvu ikZ W CD SCK CD SDA CD STB yhjrSGzwpuksl pGy CS DATA CLK A D KEY zG kh Y zh L R IR I2C USB wv hisl pu USB PCBA slk k ztX rl p y CS DAT A A A CLK A D A A KEY IR Front PCBA 86 86 p G CP IC tmpZZ zZ TYUWj p Gk SMPS POWER 6 2V 12V 10V 5V SMPS PCBA ziG mz ziZW L R ...

Page 36: ...S T CAUTION Danger if fuse is incorrectly replaced Replace only with the type identical to fuse rating and or model name described in main label Warning Parts that are shaded are critical with respect to risk of fire or electrical shock SMPS 2012 12 10 39 39 1 1 9 9 1 9 39 9 1 7R PDLQ ERDUG IPOD ADD NO IPOD DEL cap Option C928 1ǃRussia 68uF 500V 2ǃIndia 68uF 500V 3ǃNiziria 68uF 500V 1 3 4 5 6 7 8 ...

Page 37: ...8 33 GPIO10 SEG19 44 GPIO7 EXT_INT6 43 P1_0 EXT_INT0 T2 42 P1_1 EXT_INT1 T2EX 41 P1_2 EXT_INT2 40 P1_3 EXT_INT3 39 P1_4 SPI_MOSI 38 P1_5 SPI_MISO 37 P1_6 SPI_CLK 36 P1_7 SPI_SSB 35 GPIO9 IIC_SCL 34 GPIO9 IIC_SDA 46 P3_4 EXT_INT4 TO 45 P3_5 EXT_INT5 T1 47 P3_3 INT1 48 P3_2 INT0 49 P3_1 UART0_TX 50 P3_0 UART0_RX 51 GPIO6 UART1_TX 52 GPIO5 UART1_RX 53 RESET 54 GPIO4 XTAL_IN_20M 55 XTAL_OUT_20M 56 XTA...

Page 38: ...N_ADIN2 119 BTN_ADIN3 120 VREF16 121 FMO 122 VDD33_1 123 DMO 124 VSS33_1 125 GPWM 126 FOO 127 TRO 128 MDI M5677 SDRAM C831 0 1uF 1 2 EC804 X 9 R835 18K R818 100K R828 7 5K R841 0R R801 22K R804 4 7K C827 NC C801 0 1uF C825 NC C834 102P C821 0 1uF R826 10K 5 5 3 1 2 Q802 C8550 R827 7 5K C176 104 5 EC809 X 9 R815 75R 5 R846 10K C832 0 1uF 5 C807 0 1uF R802 5 R850 C809 0 1uF C806 0 1uF 1 2 EC814 X 9 ...

Page 39: ...7P C796 47P R743 1K 5 4 7K R736 10K 33P R750 1k 5 330R 5 100K 33P 8 9 600R 1UF 5 N QF R745 100K 5 4 7K 100P 33P 33P R733 100K 33P 1UF 101 C758 68P FB700 56NH 5 47K 8 9 1UF R730 10K 1 TUL 2 TUR 3 CDL 4 CDR 5 IPL 26 SDA 27 GND 28 FIL 6 IPR 7 BTL AUXL 8 BTR AUXR 9 SEL2 10 SEL1 11 VOL1 12 VOL2 13 TC1 14 TC2 15 BCB2 16 BCA2 17 BCA1 18 BCB1 19 ROUT 20 SB2 21 SR 22 SB1 23 LOUT 24 VCC 25 SCL BD3490FV R732...

Page 40: ... 16V EC713 220uF16V C700 0 1uF 33P R770 10K 0 1uF R700 1K 5 220uF16V 3 1 2 4 8550 2 3 4 5 9 8 7 6 1 SCREW2 0 1uF 2 3 4 5 9 8 7 6 1 SCREW1 0 1uF 2 3 4 5 9 8 7 6 1 SCREW3 0 1uF 2 3 4 5 9 8 7 6 1 SCREW4 0 1uF 0 TP 2 0 TP 2 0 TP 2 0 TP 2 5 5 5 5 5 654 5 3 1 2 Q703 8550 0 1uF R708 10K R706 1K 1 2 3 4 KIA278R05 1 2 1 5 5 R776 47K R772 10K R774 1K R777 1K D701 9 1 2 3 Q708 3904 5 5 3 1 2 4 8550 5 5 5 2V ...

Page 41: ... 21 3B 00 6 6 220RH 220RH 220RH 220RH 220RH 220RH 220RH 220RH 80RH 5 5 1 5 5 5 5 5 5 5 5 5 5 5 5 5 5 C312 8 9 3 1 1 1 86 220RH 220RH 220RH 8 1 220RH 6 6 5 5 3 3 22UF 10V 5 10R 5 10R 3 3 3 1 21 3B 00 3 6 220RH 80RH 6 6 6 5 5 5 5 5 6 6 1 5 5 5 5 5 5 5 5 5 5 5 6 2 6 9 6 6 6 C301 680PF C302 680PF 5 5 5 5 6 5 5 6 5 5 6 5 5 6 6 5 5 6 6 5 5 6 5 5 7 C305 8 9 R301 47K NC C303 100P NC D301 6 D302 6 Q302 1 L...

Page 42: ...OUT IP 30 DET IP 5V GND IP 5V MCU GND GND D D ᮠᆇ 32 䘹 䐟 ᮠᆇ 32 䘹 䐟 5 549k 5 49 9k 5 43 2k 5 49 9k 5 75k 5 10k 4 6 4 6 5 10k 5 47k 5 47k 0 0 0 7 1 5287 287 5 1 1 6 16 5 9 2 287 8 1 32 5 3 7 3 5 287 7 37 9 287 32 1 32 1 73 9 73 86 73 86 73 1 1 1 1 1 1 32 B B 3 104P 5 1k 5 10k FB207 2 7K 100M 104P 21 14P1 0MM FB203 0 FB204 0R NC FB208 0R NC CON201 CON8P 1 0MM NC FB205 0R FB206 0R R205 191k NC R204 0R ...

Page 43: ...9V 386V 1000V Reverse D905 FR107 106V 199V 420V 478V 1000V Reverse D906 FR107 0 17 23V 0V 17V 1000V Reverse D907 HER303 0V 10 4V 0V 10 32V 200V Reverse D908 DR107 0V 12 58V 0 12 51V 1000V Reverse D909 SR360 0V 5 23V 0V 5 23V 30V Reverse D910 HER303 0V 13 37V 0V 13 3V 200V Reverse ZD901 18V 0 17 23V 0 17V 15V 5 0 5W ZD902 9 1V 0V 0 5V 0V 0 5V 9 1V 5 0 5W Pin No Specification 80 V 60 Hz Input 288 V ...

Page 44: ...e CON803 1PIN SP 0 2 8V 2 91V 2PIN SP 0 2 8V 2 07V 3PIN SL 0 2 8V 2 59V 4PIN SL 0 2 8V 2 42V 5PIN LIMIT 0 3 3V 3 31V 6PIN GND 0V 0V No Pin No 240 V 50 Hz Input Specification Value CON102 1PIN IPOD L 0 0 9 0 15V 2PIN IPOD GND 0V 0V 3PIN IPOD R 0 0 9 0 15V 4PIN IPOD DET 0 3 3 0V 5PIN ACC DET 0 3 3 3 16V 6PIN ACC PWR 0 3 3 3 03V 7PIN IPOD TX 0 3 3 3 03V 8PIN IPOD RX 0 3 3 3 28V 9PIN IPOD 5V 5 0 25 5 ...

Page 45: ...3 39 3 40 PRINTED CIRCUIT BOARD DIAGRAMS 1 SMPS P C BOARD NOTE Warning Parts that are critical with respect to risk of fire or electrical shock ...

Page 46: ...3 41 3 42 2 MAIN P C BOARD TOP VIEW ...

Page 47: ...3 43 3 44 MAIN P C BOARD BOTTOM VIEW ...

Page 48: ...3 45 3 46 3 DISPLAY P C BOARD 4 USB P C BOARD 5 IPOD P C BOARD TOP VIEW BOTTOM VIEW ...

Page 49: ...3 47 3 48 MEMO MEMO ...