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Hitachi L42X02A, Service Manual

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Hitachi L42X02A Service Manual Download Page 40

40

No work / LED is off

Replace Power PCB

Yes

Yes

Yes

No

No

No

   Check if power
connection is normal

Replace power connection

Check if voltage of pin1
of CNE1 is normal 

Replace Main PCB

Replace RMC PCB

Check if voltage of
Power PCB pin 5 & 9 &
11 of CN1 is normal

TROUBLESHOOTING

SYMPTOM: NO WORK/LED IS OFF

Summary of Contents for L42X02A

Page 1: ...ations without manu facturer s approval Unauthorized modifications will not only void the warranty but may lead to your being liable for any resulting property damage or user injury Service work should be performed only after you are thoroughly familiar with all of the following safety che cks and servicing guidelines To do otherwise increase the risk of potential hazards and injury to the user Wh...

Page 2: ... KNOB ANTENNA TERMINALS HANDLE AND SCREWS TO BE SURE THE SET IS SAFE TO OPERATE WITHOUT DANGER OF ELECTRICAL SHOCK DO NOT USE A LINE ISOLATION TRANSFORMER DURING THIS TEST MAKE SURE TO USE AN A C VOLTMETER HAVING 5000 OHMS PER VOLT OR MORE SENSITIVITY IN THE FOLLOWING MANNER CONNECT A 1500 OHMS 10 WATT RESISTOR PARALLELED BY A 15 MFD 150V A C TYPE CAPACITOR BETWEEN A KNOWN GOOD EARTH GROUND WATER ...

Page 3: ...e type of power source indicated on the marking label If you are not sure of the type of power supply to your home consult your 1 2 3 4 5 6 7 8 9 10 appliance dealer or local power company Power Cord Protection Power cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them paying particular attention to cords at plugs convenience receptacle...

Page 4: ...condition Heat Do not install the product near any heat sources such as radiators heat registers stoves or other products including amplifiers that produce heat e f 18 19 20 Installation Location Place the product on a firm and flat surface Avoid placing the product in areas of direct sunlight heating radiators closed automobiles high temperature high humidity excessive dust strong vibration impac...

Page 5: ...5 PRODUCT SPECIFICATIONS 1 97 5 27 1 21 7 PAL SECAM NTSC3 58 NTSC4 43 PAL M PAL N PAL 60 ...

Page 6: ...6 FUNCTIONAL OVERVIEW Front Panel Side Panel 1 2 1 2 7 9 8 10 6 3 4 5 3 4 5 6 7 8 9 10 Rear Panel 11 12 13 14 15 16 17 18 19 20 11 12 13 14 15 16 17 18 19 20 ...

Page 7: ...7 Remote Control 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 2 3 4 5 6 7 8 9 10 11 12 13 14 ...

Page 8: ...8 15 16 17 18 19 20 21 22 23 24 25 16 17 19 22 24 18 23 25 21 15 20 ...

Page 9: ...Box DVD Player VCR Example Camcorder Computer Example Example Audio Equipment Subwoofer Connect via HDMI Connect via Component Video Connect via S Video Connect via Composite Video Connect via RGB Connect amplifier subwoofer HDMI DVI or ...

Page 10: ...NG DIAGRAM MIAN PCB RMC PCB FUNCTION BUTTON PCB AV PCB LCD PANEL POWER PCB SWITCH PCB UN2 CON1 CN1 CN3 IJ907 IJ912 LJ914 KJ910 CON2 CON1 CON4 LED PCB J13 J14 CON22 CN11 CN13 CN12 CON2 CON4 CNE1 XS610 SPEAKERS ...

Page 11: ...2 4 6 8 10 12 14 16 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 GND TA1 TB1 GND TC1 TCLK1 GND TD1 GND NC TE1 3V SDA GND PVDD PVDD BKLT ADJ 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 GND TA1 TB1 GND TC1 TCLK1 GND TD1 GND DCR EN TE1 3V SCL GND PVDD PVDD B ADJ CN13 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 GND TA3 TB3 TC3 GND TCLK3 TD3 TE3 GND TA4 TB4 TC4 GND TCLK4 TD4 TE4 GND TA3 TB3 TC3 GND TCLK3 ...

Page 12: ...FUNCTION BUTTON BOARD DIAGRAM 12 PCB DIAGRAMS RMC BOARD DIAGRAM AV BOARD DIAGRAM ...

Page 13: ...LED BOARD DIAGRAM 13 SWITCH BOARD DIAGRAM ...

Page 14: ...MAIN BOARD DIAGRAM TOP 14 ...

Page 15: ...MAIN BOARD DIAGRAM BOTTOM 15 ...

Page 16: ...1 SDA MST1 VIDEO BLOCK DIAGRAM P2 T1 M3 PC R IN PC G IN AG2 AG1 PC HS IN PC VS IN PC B IN T4 N5 R2 Y1 PB1 PR1 T3 N4 R1 Y2 PB2 PR2 HDMI1 HDMI2 HDMI3 LCD PANEL 16MX16X4 DDR2 U4 FLASH K8P3215UQB B11 A11 MCU RXD1 MCU TXD1 MCU 61P7RN440WT U23 5 14 U3 PS121 RX2 RX2 N2 N1 RXC K1 RX0 RX0 L1 L2 RX1 M1 RXC K2 RX1 M2 SCL G3 SDA G4 U18 PS321 26 25 34 31 32 28 35 29 38 39 ...

Page 17: ... R 17 18 AV L OUT AV R OUT LM4558 U87 6 2 7 1 HP OUT L HP OUT R 38 SUBWOOFER SUBWOOFER 1 SUBWOOFER LM4558 U86 2 U31 74LV4052 2 15 28 29 3 13 AV2 L R 5 14 DVI L R 1 12 L R 5V U21 CS4345 1 2 3 F3 F4 J4 7 10 I2S CK I2S WS HP MCLK F2 I2S D1 HDMI L HDMI R 5V 9 4 34 36 MAIN L MAIN R TPA3101 U22 5 3 21 20 SPK L SPK L SPEAKER L 40 41 SPK R SPK R SPEAKER R TV TUNER U44 STB 6B 235S TV MONO 5V 7 8 11 98 TV S...

Page 18: ... F O R Q X 6 8 U 3 0 A P 1 0 8 4 D 1 8 L U27 AP1117E33 5VSB 3 3 V U 2 3 C P U 6 1 P 7 R G 4 4 0 W T R M C 8 0 V F O R L M 4 5 5 8 1 2 V F P R T PA 3 1 0 1 5 V U S B U 7 2 T P S 2 0 5 1 B 2 5 V F O R Q X 6 8 U 2 9 A P 111 7 E 2 5 1 0 V F O R Q X 6 8 U 6 7 S C 4 6 2 4 3 3 V F O R T U N E R U 4 5 M C 3 4 0 6 3 3 3V 3 3 V F O R S T V 8 3 1 7 3 3 V F O R T PA 3 1 0 1 S H U T D O W N 3 3V 1 8 V F O R 1 ...

Page 19: ..._HS AG2 SCLMAST2 AE5 SDAMAST2 AF4 PWR5V G2 XTLI_32K H2 XTLO_32K H1 RESET AJ10 VCCHRST H5 MUTE AE4 ANTSTO K3 VCOTP AJ9 CLK27M AK9 ATVEN AG3 GPANAIOPLL AB1 GPANAIO AC1 1 5 SVP_MX QX ANALOG_IN TS_IN I2S PORT USB PORT UART PORT I2C PORT HDMI_IN MISC ADC U85A SVP_QX_0 1 5 SVP_MX QX ANALOG_IN TS_IN I2S PORT USB PORT UART PORT I2C PORT HDMI_IN MISC ADC U85A SVP_QX_0 R75 10K R75 10K R582 33_DNS R582 33_DN...

Page 20: ...e each D cap close to each MVREF ball C412 0 1uF C412 0 1uF R352 1K 1 R352 1K 1 C413 0 1uF C413 0 1uF MD0 AJ26 MD1 AJ27 MD2 AH26 MD3 AH27 MD4 AF26 MD5 AF27 MD6 AE25 MD7 AE26 MD8 AD28 MD9 AD29 MD10 AC29 MD11 AC30 MD12 Y29 MD13 Y30 MD14 W29 MD15 W30 MD16 M29 MD17 M30 MD18 L29 MD19 L30 MD20 H29 MD21 H30 MD22 G28 MD23 G29 MD24 F25 MD25 F26 MD26 E26 MD27 E27 MD28 D26 MD29 C27 MD30 C26 MD31 B27 DQS0 AH2...

Page 21: ... TD2P AK18 TE2M AJ17 TE2P AK17 TCLK2M AJ19 TCLK2P AK19 TA3M AJ16 TA3P AK16 TB3M AJ15 TB3P AK15 TC3M AJ14 TC3P AK14 TD3M AJ12 TD3P AK12 TE3M AJ11 TE3P AK11 TCLK3M AJ13 TCLK3P AK13 TA4M AF14 TA4P AG14 TB4M AF13 TB4P AG13 TC4M AF12 TC4P AG12 TD4M AF10 TD4P AG10 TE4M AF9 TE4P AG9 TCLK4M AF11 TCLK4P AG11 GP0 VDB_G2 TS2_D0 FEJT_TCK1 C5 GP1 VDB_G3 TS2_D1 FEJT_TMS1 D5 GP2 VDB_G4 TS2_D2 FEJT_TDO1_S0 E5 GP3...

Page 22: ...or PLL digital circuit 1 0V For VRADC Analog 2 5V For PLL Analog circuit 2 5V For PLL digital circuit 1 0V For LLPLL 1 0V For PLL Analog circuit 2 5V For ANAPLL APLL 2 5V For RTC Digital circuit 2 5V 2 5V 3 3V Power for ADCs 2 5V for TMDS PLL 2 5V for ADC outbuffer Low pass Filter for Clocks 3 3V for TMDS analog 5V safe power 2 5V for Audio PLL MISC_POWER 2 5V for Audio PLL Analog Block 2 5V for T...

Page 23: ...T11 VSS T12 VSS T13 VSS T14 VSS T15 VSS T16 VSS T17 VSS T18 VSS T19 VSS T20 VSS U11 VSS U12 VSS U13 VSS U14 VSS U15 VSS U16 VSS U17 VSS U18 VSS U19 VSS U20 VSS V11 VSS V12 VSS V13 VSS V14 VSS V15 VSS V16 VSS V17 VSS V18 VSS V19 VSS V20 VSS W11 VSS W12 VSS W13 VSS W14 VSS W15 VSS W16 VSS W17 VSS W18 VSS W19 VSS W20 VSS Y11 VSS Y12 VSS Y13 VSS Y14 VSS Y15 VSS Y16 VSS Y17 VSS Y18 VSS Y19 VSS Y20 VSS ...

Page 24: ...0 7 2 7 HP_MA 0 12 2 7 HP_RAS 2 7 HP_BA 0 1 2 7 HP_CKE 2 7 HP_DQS 0 7 2 7 HP_MD 0 63 2 7 HP_CAS 2 7 Place each D cap close to each MVREF ball TP59 TP59 R130 1K 1 R130 1K 1 C375 0 1uF C375 0 1uF C130 0 1uF C130 0 1uF C126 10uF C126 10uF C132 0 01uF C132 0 01uF C139 0 1uF C139 0 1uF C120 0 1uF C120 0 1uF R134 75 R134 75 TP62 TP62 C118 10uF C118 10uF C128 10uF C128 10uF C125 0 01uF C125 0 01uF C123 0...

Page 25: ... 2 6 HP_CAS 2 6 HP_BA 0 1 2 6 HP_DQS 0 7 2 6 HP_MD 0 63 2 6 HP_DQS 0 7 2 6 HP_MA 0 12 2 6 HP_DQM 0 7 2 6 Place each D cap close to each MVREF ball C370 0 01uF C370 0 01uF C391 0 1uF C391 0 1uF C173 0 01uF C173 0 01uF CK J8 CK K8 CKE K2 UDQS A8 CS L8 RAS K7 CAS L7 WE K3 VSSQ H2 VSSQ F8 VSSQ F2 VSSQ E7 VSSQ D8 VSSQ D2 VSSQ B8 VSSQ B2 VSSQ A7 VSS N1 VSS J3 VSS E3 VSS A3 VDDQ G9 VDDQ G7 VDDQ G3 VDDQ G...

Page 26: ...FRA17 FRA_17 FRA18 FRA_18 FRA19 FRA_19 FRA20 FRA_20 FRA21 FRA_21 FRA22 FRA_22 FRA23 FRA_23 FRA22 FRA23 VCC_FLASH VCC_FLASH VCC_FLASH VCC_FLASH HP_VCC_33 FRD_ 0 15 3 FRA_ 1 24 3 5 FWE 3 5 FOE 3 RESET 1 16 18 20 Write Protect Short Protected For 32M bit solution pin 2 pin 15 FRA22 FRA23 are N C C137 0 1uF C137 0 1uF R974 0_DNS R974 0_DNS R87 4 7K R87 4 7K DQ0 35 DQ1 37 DQ2 39 DQ3 41 DQ4 44 DQ5 46 DQ...

Page 27: ... 8 R2out 9 T2in 10 T1in 11 R1out 12 R1in 13 T1out 14 GND 15 VCC 16 U505 MAX3232EI U505 MAX3232EI 9 8 6 1 2 3 4 5 7 J15 DB9 MALE J15 DB9 MALE 1 2 3 4 5 6 CON9 USB_A_R_V CON9 USB_A_R_V 1 2 C306 0 1uF C306 0 1uF VIN1 2 VIN2 3 EN 4 OC 5 GND 1 OUT1 6 OUT2 7 OUT3 8 U72 TPS2051B U72 TPS2051B R112 0 R112 0 1 2 C648 0 1uF C648 0 1uF R107 1K R107 1K R108 0 R108 0 1 1 gnd 2 3 3 4 4 vcc 5 6 6 U7 SRV05 4 U7 SR...

Page 28: ... LVDS C514 100uF 16V C514 100uF 16V R511 10K R511 10K R524 1K R524 1K 1 3 2 Q505 MMBT3904 Q505 MMBT3904 2 1 D36 1N4148 D36 1N4148 R516 4 7K R516 4 7K R526 2K R526 2K R68 100R_NC R68 100R_NC R527 10k R527 10k R513 100R R513 100R 1 2 FB503 CBW321611U121B FB503 CBW321611U121B R519 0R_DNS R519 0R_DNS 1 3 2 Q506 MMBT3904 Q506 MMBT3904 1 2 R893 0R_NC R893 0R_NC S 1 G 2 S 3 G 4 D 8 D 7 D 6 D 5 U504 IRF73...

Page 29: ...R1NTA GP 1 2 R386 47K R386 47K R991 0_DNS R991 0_DNS 1 2 C679 470pF C679 470pF R901 0_DNS R901 0_DNS 1 2 C846 470pF C846 470pF 1 2 C801 470pF C801 470pF 1 2 C655 100pF C655 100pF 1 2 R995 47K R995 47K 1 2 R635 75R R635 75R 1 3 2 Q5 2SD2226 Q5 2SD2226 1 2 C654 100pF C654 100pF 1 2 R66 100R R66 100R 1 2 R94 47K R94 47K 1 2 C800 470pF C800 470pF 1 2 L40 2 2uH L40 2 2uH 1 2 L46 2 2uH L46 2 2uH 1 2 RV3...

Page 30: ...LD1 5 VCC5 18 CSHLD0 11 HPD 19 NC 14 DSHLD0 2 CEC 13 SDA 16 DDC_GND 17 DSHLD2 8 TMDSC 10 TMDSC 12 SHLD0 20 SHLD1 21 SHLD2 22 SHLD3 23 XS612 HDMI_CONN_vert XS612 HDMI_CONN_vert LINE1 1 NC2 9 GND 8 LINE3 4 NC4 6 NC1 10 LINE2 2 NC3 7 LINE4 5 GND 3 U37 Rclamp0524P U37 Rclamp0524P LINE1 1 NC2 9 GND 8 LINE3 4 NC4 6 NC1 10 LINE2 2 NC3 7 LINE4 5 GND 3 U36 Rclamp0524P U36 Rclamp0524P RV31 ESD RV31 ESD 1 2 ...

Page 31: ...194 2 2uF C194 2 2uF R189 4 7K R189 4 7K R177 4 7K_DNS R177 4 7K_DNS 1 2 FB1 150_Ohm_600mA_DNS FB1 150_Ohm_600mA_DNS C202 100nF C202 100nF A0 1 A1 2 A2 3 VSS 4 SDA 5 SCL 6 WP 7 VCC 8 U34 24LC02_DNS U34 24LC02_DNS NC POW_SINK 41 OE 42 VCC POW3 43 HPD3 44 SDA3 45 SCL3 46 GND 47 B31 48 A31 49 VCC 50 B32 51 A32 52 GND 53 B33 54 A33 55 VCC 56 B34 57 A34 58 GND 59 CEXT 60 VCC POW2 61 HPD2 62 SDA2 63 SCL...

Page 32: ... Q2 2SD2226 Q2 2SD2226 C889 22pF C889 22pF 1 3 2 Q23 2SD2226 Q23 2SD2226 R1035 100K R1035 100K 1 1 2 2 3 3 4 4 CON5 EJTAG5 4pin 2 5mm CON5 EJTAG5 4pin 2 5mm C29 220nF C29 220nF C182 0 1uF C182 0 1uF C657 1uF C657 1uF TC106 470uF 16V TC106 470uF 16V R1033 100K R1033 100K R48 100K_NC R48 100K_NC L1 22uH 2A L5 9 L1 22uH 2A L5 9 1 2 3 Q6 MMBT3906 Q6 MMBT3906 1 3 2 Q8 2SD2226 Q8 2SD2226 1 3 2 Q1 2SD222...

Page 33: ...600mA FB57 150_Ohm_600mA C15 47uF 16V C15 47uF 16V 1 2 R38 220R R38 220R 1 2 C853 0 1uF C853 0 1uF 1 2 R819 100K R819 100K 1 2 C842 0 1uF C842 0 1uF 1 2 C843 2 2uF C843 2 2uF 1 2 R16 100 R16 100 1 2 R15 100 R15 100 1 2 C627 33nF C627 33nF 1 2 C912 10uF C912 10uF 1 2 C913 10uF C913 10uF 1 2 C621 0 1uF C621 0 1uF 1 2 C601 0 1uF C601 0 1uF 1 2 C821 10uF C821 10uF C1101 10uF C1101 10uF 1 2 C902 2 2uF ...

Page 34: ...Q22 2N7002 TC3 100uF 50V TC3 100uF 50V C265 0 1uF_NC C265 0 1uF_NC TC120 0 47uF 50V TC120 0 47uF 50V C393 0 1uF C393 0 1uF VT 33V 3 AS 4 SDA 5 SCL 6 AUDIO 11 VIDEO 12 AFT 10 BT TP 1 GND 13 GND 14 GND 15 GND 16 5V 7 IF TP 2 SIF 8 AGC 9 U44 STM 6B 235S U44 STM 6B 235S R231 4 7K R231 4 7K C395 0 1uF C395 0 1uF 1 2 R84 1 1 R84 1 1 TP2 TP 2 TP2 TP 2 R55 33 R55 33 C232 4700pF_DNS C232 4700pF_DNS C65 100...

Page 35: ... 4 7K R283 4 7K R283 4 7K R314 100 R314 100 R272 33 R272 33 Q18 MMBT3906 Q18 MMBT3906 R260 33 R260 33 R253 4 7K R253 4 7K DSCL1 21 GPIOA5 DSDA2 22 GPIOA4 DSCL2 23 GPIOA3 P03 24 GPIOA2 P02 25 GPIOA1 P01 26 GPIOB6 SSDA 5 GPIOB5 SSCL 6 GPIOB4 P05 7 GPIOB3 P04 8 GPIOB2 IR 9 GPIOB1 IRQ3 10 GPIOB0 IRQ2 11 GPIOD0 HIN1 35 GPIOE7 VIN1 36 OSCO 3 GPIOC7 P17 IRQ1 12 GPIOC6 P16 IRQ0 13 GPIOC5 P15 TXD1 14 GPIOC...

Page 36: ...21 1 R286 121 1 M16 M16 OUT 2 IN 3 GND 1 TAB TAB U46 AP1117E18 U46 AP1117E18 C336 0 1uF C336 0 1uF C329 0 1uF C329 0 1uF TP7 TP_T_S60 TP7 TP_T_S60 C644 10uF C644 10uF R353 200 1 R353 200 1 M5 M5 C335 470uF 16V C335 470uF 16V C19 100uF 16V C19 100uF 16V TP10 TP_T_S60 TP10 TP_T_S60 1 2 FB52 150_Ohm_600mA FB52 150_Ohm_600mA M1 M1 MH6 MH_130_40x6 MH6 MH_130_40x6 2 1 D15 B530C 540C D15 B530C 540C M6 M6...

Page 37: ... 7K 1 3 2 4 SW001 button_4pin SW001 button_4pin R924 33R R924 33R R902 10K R902 10K R918 4 7K R918 4 7K R925 100R R925 100R R926 100R R926 100R 1 2 FB32 150_Ohm_600mA_DNS FB32 150_Ohm_600mA_DNS R921 33R R921 33R R927 33R R927 33R R903 0R_DNS R903 0R_DNS 1 2 RV92 AVRL161A1R1NTA GP RV92 AVRL161A1R1NTA GP R907 4 7K R907 4 7K 1 2 RV91 AVRL161A1R1NTA GP RV91 AVRL161A1R1NTA GP R906 4 7K R906 4 7K C321 0...

Page 38: ...AVRL161A1R1NTA GP RV67 AVRL161A1R1NTA GP 1 2 C586 220pF C586 220pF 1 2 R912 47K R912 47K 1 2 R911 3 3K R911 3 3K 1 2 RV48 AVRL161A1R1NTA GP RV48 AVRL161A1R1NTA GP 1 2C 861 220pF C861 220pF 1 2 C830 470pF C830 470pF 1 2 R983 330 R983 330 1 2 R389 75R R389 75R 1 2 RV47 AVRL161A1R1NTA GP RV47 AVRL161A1R1NTA GP 1 2 R910 3 3K R910 3 3K 1 2 L42 2 2uH L42 2 2uH 1 2 RV82 AVRL161A1R1NTA GP RV82 AVRL161A1R1...

Page 39: ...L1 10mH R32 L3 1 2 4 3 LN3 1 2 3 CON1 R20 C37 R21 AC SENSE AC SENSE R1 R2 R27 R18 RS11 RS1 RS2 RS3 R33 R31 10mH C2 1 2 3 D4 1 2 3 Q4 C14 1 2 3 4 5 6 7 8 IC1 VCC1 R14 1 3 2 Q1 L4 R34 C17 C15 EC6 CF6 C36 C40 R52 1 2 3 Q15 1 3 2 Q19 R10 R12 R48 R15 R16 R35 R36 R42 R29 R37 C2 R36 F2 RT1 EC1 PFC CY1 VH ...

Page 40: ...Yes No No No Check if power connection is normal Replace power connection Check if voltage of pin1 of CNE1 is normal Replace Main PCB Replace RMC PCB Check if voltage of Power PCB pin 5 9 11 of CN1 is normal TROUBLESHOOTING SYMPTOM NO WORK LED IS OFF ...

Page 41: ...o Check if voltage of pin1 of RMC PCB is normal Replace RMC PCB Replace Main PCB Check if voltage of pin 5 9 11 of CN1 is normal Replace connection Yes No Check if connection between LCD and MAIN PCB is normal SYMPTOM NO WORK LED IS RED CIRCUIT ABNORMAL ...

Page 42: ... if voltage of U44 pin7 is 5V Replace U44 No Picture LED is blue Yes No Check if backlight is normal Check if voltage of power PCB CN3 pin 12 is normal No Replace LCD panel Yes Replace Main PCB Yes Yes No No Check if connector of CN11 CN12 CN13 is normal Replace CN11 Replace LCD panel Check if signal of LVDS is normal ...

Page 43: ...CB RP2 pin8 9 is normal SYMPTOM NO YPBPR PICTURE ABNORMAL No YPBPR1 2 Picture Yes Replace Main PCB Replace Connection No Check if signal of MAIN PCB CN14 pin1 3 5 or 2 4 6 is normal SYMPTOM NO AV1 PICTURE ABNORMAL No AV1 Picture Yes Replace Main PCB Replace Connection No Check if signal of MAIN PCB CN16 pin15 is normal ...

Page 44: ... normal SYMPTOM NO HDMI PICTURE ABNORMAL No HDMI Picture Yes Replace Main PCB Replace HDMI wire No Check if HDMI signal of CN21is normal SYMPTOM NO VGA PICTURE NO VGA AUDIO ABNORMAL No VGA Picture No VGA Audio Yes Replace Main PCB Replace VGA wire or Audio wire No Check if VGA signal of CN3 is normal Check if VGA signal of JK6 pin 2 3 is normal ...

Page 45: ...ION BUTTON PCB No Check if function control signal of RMC PCB IJ912 is normal Replace RMC PCB No Check if function control signal of MAIN PCB CNE1 is normal SYMPTOM NO RMC FUNCTION ABNORMAL No RMC function Yes Replace Main PCB Replace RMC PCB No Check if RMC signal of IJ907 is normal ...

Page 46: ...mproper servicing quote the components shown in this page for servicing purposes The following service parts list are available for purchase Serviceman may S N O I T P I R T S E D o N T R A P o N L O B M Y S YZE23267 L42X02A MAIN ASS Y YZE23330 L42X02A RMC ASS Y YZE23331 L42X02A SWITCH ASS Y YZE23379 L42X02A AV ASS Y YZES7907 MLT299TL POWER ASS Y YZES7911 L42X02A FUNCTION BUTTON ASS Y YZES7912 L42...

Page 47: ... 1 YZES15341ass L42X02A HITACHI OWNER MANUAL 1 YZES2701 7 BATTERY 2 YZES30713 RF WIRE 1 YZES31826 L42X02A HEADPHONE WIRE 1 YZES31827 L42X02A AV CONNECT WIRE 1 YZES31829 L42X02A HV CONNECT WIRE 1 YZES31831 L42X02A POWER CONNECT WIRE 1 YZES31832 L42X02A AC POWER CONNECT WIRE 1 YZES31840 L42X02ALVDS WIRE A 1 YZES31841 L42X02ALVDS WIRE B 1 YZES31842 HDMI Female 2 10P HSG L42 WIRE 1 YZES31853 AC POWER ...

Page 48: ...C 03K100JT LD98 YZEA1689b FB203CUT BLUE LED R7 YZEP11003 RC 03K100JT LJ914 YZEA9775 L42X02A LED WIRE R8 YZEP11000 RC 03K000JT LR323 YZEG0713 RT13 1 6w 150 5 R9 YZEP11013 RC 03K103JT LR324 YZEG0713 RT13 1 6w 150 5 R10 YZEP11013 RC 03K103JT LR325 YZEG0713 RT13 1 6w 150 5 R13 YZEP11009 RC 03K102JT LR326 YZEG0713 RT13 1 6w 150 5 R16 YZEP11012 RC 03K472JT R17 YZEP11011 RC 03K332JT IC114 YZEA3639c CD26C...

Page 49: ...YZEP20015 GRM39F104Z25PT C61 YZEP20243 GRM31MR71H105KA88L C18 YZEP20101 ECJ2FF1C106Z C62 YZEP20012 GRM39B103K50PT C19 YZEP30022a 16V 100UF C63 YZEP20015 GRM39F104Z25PT C20 YZEP20015 GRM39F104Z25PT C64 YZEP20013 GRM39B223K25PT C22 YZEP20015 GRM39F104Z25PT C65 YZEP20006 GRM39CH101J50PT C25 YZEP31100b ECJMFF1C106Z C66 YZEP20101 ECJ2FF1C106Z C26 YZEP20101 ECJ2FF1C106Z C69 YZEP20015 GRM39F104Z25PT C27 ...

Page 50: ...1C106Z C108 YZEP20101 ECJ2FF1C106Z C171 YZEP20015 GRM39F104Z25PT C112 YZEP20015 GRM39F104Z25PT C172 YZEP20015 GRM39F104Z25PT C113 YZEP20015 GRM39F104Z25PT C173 YZEP20012 GRM39B103K50PT C115 YZEP20015 GRM39F104Z25PT C174 YZEP20015 GRM39F104Z25PT C116 YZEA3516a CD288H 470UF M 16V C177 YZEP20015 GRM39F104Z25PT C117 YZEP31100b ECJMFF1C106Z C178 YZEP31100b ECJMFF1C106Z C118 YZEP31100b ECJMFF1C106Z C179...

Page 51: ...5 YZEP20015 GRM39F104Z25PT C339 YZEP30022b VES 16V101MF55 R C396 YZEP30028a 16V 47UF C340 YZEP20015 GRM39F104Z25PT C397 YZEP20012 GRM39B103K50PT C341 YZEP20101 ECJ2FF1C106Z C398 YZEP30028a 16V 47UF C342 YZEA3516a CD288H 470UF M 16V C399 YZEP20015 GRM39F104Z25PT C343 YZEP20101 ECJ2FF1C106Z C400 YZEP20015 GRM39F104Z25PT C344 YZEP20015 GRM39F104Z25PT C401 YZEP20015 GRM39F104Z25PT C345 YZEP20015 GRM39...

Page 52: ...F104Z25PT C450 YZEP20015 GRM39F104Z25PT C606 YZEP31100b ECJMFF1C106Z C451 YZEP31100b ECJMFF1C106Z C607 YZEP20085 GRM40Y5V225Z16 C453 YZEP20015 GRM39F104Z25PT C608 YZEP20085 GRM40Y5V225Z16 C454 YZEP20015 GRM39F104Z25PT C609 YZEP20002 GRM39CH220J50PT C455 YZEP31100b ECJMFF1C106Z C610 YZEP20085 GRM40Y5V225Z16 C456 YZEP20015 GRM39F104Z25PT C611 YZEP20035 GRM39F105Z10PT C458 YZEP31100b ECJMFF1C106Z C61...

Page 53: ... YZEP20015 GRM39F104Z25PT C679 YZEP20038 GRM39CH471J50PT C912 YZEP31100b ECJMFF1C106Z C718 YZEP31100b ECJMFF1C106Z C913 YZEP31100b ECJMFF1C106Z C728 YZEP20002 GRM39CH220J50PT C914 YZEP20015 GRM39F104Z25PT C800 YZEP20038 GRM39CH471J50PT C915 YZEP20002 GRM39CH220J50PT C801 YZEP20038 GRM39CH471J50PT C916 YZEP20002 GRM39CH220J50PT C811 YZEP20101 ECJ2FF1C106Z C960 YZEP20101 ECJ2FF1C106Z C820 YZEP20101 ...

Page 54: ... F FB503 YZEP7212 MBW3216 680 D34 YZEP1620 BAV70 7 F FB504 YZEP7212 MBW3216 680 D35 YZEP5722 RB060L 40 J13 YZEA6510 B 5B PH D36 YZEP1200e 1SS355C J14 YZEA6515 B 10B PH D37 YZEP5722 RB060L 40 JK6 YZEA60151 SJ 2302H30 C2 PC JACK FB2 YZEP6659 BGH2012B601LT L1 YZEA60243 LGB C1214 330L FB3 YZEP6659 BGH2012B601LT L2 YZEA60243 LGB C1214 330L FB4 YZEP6659 BGH2012B601LT L3 YZEP6659 BGH2012B601LT FB5 YZEP66...

Page 55: ... YZEP5700 2SB709AR R31 YZEP11140 RC 03K220JT Q18 YZEP5700 2SB709AR R33 YZEP11140 RC 03K220JT Q19 YZEP5073a 2SD601AR R34 YZEP11140 RC 03K220JT Q20 YZEP5749a 2N7002 7 F R35 YZEP11018 RC 03K473JT Q21 YZEP5816 2SD2226KT146V R36 YZEP11012 RC 03K472JT Q22 YZEP5749a 2N7002 7 F R38 YZEP11071 RC 03K221JT Q23 YZEP5816 2SD2226KT146V R40 YZEP11012 RC 03K472JT Q24 YZEP5816 2SD2226KT146V R41 YZEP11018 RC 03K473...

Page 56: ...82 YZEP11012 RC 03K472JT R88 YZEP11012 RC 03K472JT R183 YZEP11038 RC 03K393JT R90 YZEP11004 RC 03K330JT R188 YZEP11117 RC 03K511JT R91 YZEP11012 RC 03K472JT R189 YZEP11012 RC 03K472JT R93 YZEP11071 RC 03K221JT R209 YZEP11006 RC 03K101JT R94 YZEP11018 RC 03K473JT R210 YZEP11006 RC 03K101JT R95 YZEP11009 RC 03K102JT R215 YZEP11012 RC 03K472JT R102 YZEP11009 RC 03K102JT R231 YZEP11012 RC 03K472JT R10...

Page 57: ...JT R367 YZEP11013 RC 03K103JT R300 YZEP11019 RC 03K104JT R386 YZEP11018 RC 03K473JT R303 YZEP11000 RC 03K000JT R387 YZEP11024 RC 03K331JT R305 YZEP11012 RC 03K472JT R388 YZEP11024 RC 03K331JT R306 YZEP11006 RC 03K101JT R389 YZEP11005 RC 03K750JT R307 YZEP11071 RC 03K221JT R403 YZEP11012 RC 03K472JT R308 YZEP11012 RC 03K472JT R407 YZEP11011 RC 03K332JT R309 YZEP11012 RC 03K472JT R411 YZEP11011 RC 0...

Page 58: ...JT R882 YZEP11012 RC 03K472JT R633 YZEP11000 RC 03K000JT R884 YZEP11689 RC 03K362JT R634 YZEP11005 RC 03K750JT R885 YZEP11689 RC 03K362JT R635 YZEP11005 RC 03K750JT R886 YZEP11689 RC 03K362JT R636 YZEP11005 RC 03K750JT R888 YZEP11012 RC 03K472JT R637 YZEP11005 RC 03K750JT R889 YZEP11006 RC 03K101JT R638 YZEP11005 RC 03K750JT R893 YZEP11000 RC 03K000JT R639 YZEP11005 RC 03K750JT R894 YZEP11006 RC 0...

Page 59: ...V14 YZEP11716 ICVL1018100Y500FR R993 YZEP11024 RC 03K331JT RV30 YZEP11716 ICVL1018100Y500FR R994 YZEP11018 RC 03K473JT RV31 YZEP11716 ICVL1018100Y500FR R995 YZEP11018 RC 03K473JT RV33 YZEP11716 ICVL1018100Y500FR R996 YZEP11024 RC 03K331JT RV34 YZEP11716 ICVL1018100Y500FR R997 YZEP11018 RC 03K473JT RV41 YZEP11716 ICVL1018100Y500FR R998 YZEP11018 RC 03K473JT RV47 YZEP11716 ICVL1018100Y500FR R999 YZE...

Page 60: ...018100Y500FR U45 YZEP91097 MC34063ADRG4 RV89 YZEP11716 ICVL1018100Y500FR U46 YZEP90352 AP1117E18LA RV90 YZEP11716 ICVL1018100Y500FR U47 YZEP90092c BA50BC0FP E2 TC1 YZEA3516a CD288H 470UF M 16V U48 YZEP91098 BA80BCOFP TC2 YZEA3516a CD288H 470UF M 16V U61 YZEP90159f IS24C02B 2GL1 TC3 YZEA2585a CD288H 100UF M 35V U72 YZEP91099 TPS2051BDRG4 TC20 YZEP30022a 16V 100UF U85 YZEP91095 SVP QX68 TC46 YZEA351...

Page 61: ... t i c a p a C X 1 X C X P M c a V 5 7 2 0 1 F u 1 r o t i c a p a C X 1 X C D C C A V 0 5 2 F p 0 0 2 2 r o t i c a p a C 1 Y 2 Y C H A C A V 0 5 2 F p 0 0 2 2 r o t i c a p a C 1 Y 2 Y C D C C A V 0 5 2 F p 0 0 0 1 r o t i c a p a C 1 Y 4 Y C 3 Y C H A C A V 0 5 2 F p 0 0 0 1 r o t i c a p a C 1 Y 4 Y C 3 Y C 7 0 2 R E H s e d o i D 2 1 D T C 5 4 0 2 F R B M s e d o i D 1 A D 3 1 D D29 Q16 Q23 Q...

Page 62: ... RA96 R30 Resistor 1 8W 4 7KΩ 5 K 0 7 2 W 8 1 r o t s i s e R 7 1 R Ω 1 7 4 W 4 1 r o t s i s e R 5 9 R 1 6 R 8 1 R Ω 5 R19 R43 RA95 R38 Resistor 1 8W 3KΩ 5 M 1 W 4 1 r o t s i s e R 0 2 R Ω 5 0 0 2 W 8 1 r o t s i s e R 8 2 R 6 2 R Ω 5 K 9 3 W 8 1 r o t s i s e R 7 2 R Ω 5 K 2 6 W 8 1 r o t s i s e R 1 3 R Ω 5 M 2 W 4 1 r o t s i s e R 3 3 R 2 3 R Ω 5 K 0 1 5 W 4 1 r o t s i s e R 6 1 R 5 3 R Ω 1...

Page 63: ... s e R 8 A R 2 4 A R Ω 5 K 3 1 W 8 1 r o t s i s e R 1 6 A R Ω 5 2 2 0 W 2 r o t s i s e R 7 A R Ω 5 K 0 8 6 W 8 1 r o t s i s e R 9 A R Ω 5 RA97 R50 R25 R104 Resistor 1 8W 100Ω 5 RS1 RS11 RS2 RS3 Resistor 2W 0 39Ω 5 RS5 RS6 RS7 RS8 Resistor 10mΩ 5 2 r o t s i m r e h T 1 T R Ω 20 Φ15 8A SCK152R58MS S K 1 8 6 0 1 R V T c d V 0 8 6 r o t s i s e R 2 V R K 1 8 6 D 0 1 R N C c d D V 0 8 6 r o t s i s...

Page 64: ...Copyright Digital Media Systems Group 2008 All rights reserved L42X02A SC No 0029E ...

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