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Service manual 

LCD 

Model: H-LCD2000 

 
 
 

 

 
VER 1.1 

Prepared Frolov V. 201204

 

Summary of Contents for H-LCD2000

Page 1: ...Service manual LCD Model H LCD2000 VER 1 1 Prepared Frolov V 201204...

Page 2: ...lified Systems PAL NTSC SECAM PAL System Digital Comb Filter YES Video including S Video Sport Compensatory Function YES Audio Output 2x2W Audio Input Audio Left Right Av and S Video use in community...

Page 3: ...he remote control Place the signal cord back of the product Unplug the power cord from the AC outlet before cleaning the product Do not use liquid cleaners or aerosol cleaners use the special LCD Pane...

Page 4: ...ress the body of the AC adapter with anything and do not pull or pluck the wire when you use the product Please do not use the wire which has been snapped for any reasons omponents identified by the s...

Page 5: ...2 In PC mode select functions in menu only 7 SOURCE Scrolls between TV S Video AV PC and YPbPr modes The function is same to the TV AV on the remote control 1 Remote Sensor Receive the signal from the...

Page 6: ...V on with a fixed channel 3 RECALL In TV mode scroll to the previous channel 4 MENU Press this menu repeatedly to scroll between all the menus also press it to exit 5 DISPLAY To check the current mode...

Page 7: ...the picture s quality automatically in PC mode 24 25 26 Remain buttons Invalid buttons for this product Note When in operation please point your remote control directly to the infrared sensor Do not e...

Page 8: ...nel numbers between one digit two digit and three digit and the corresponding symbols will appear on the upper right corner of the screen 1 In mode any of the ten Arabic numerals 0 to 9 can be selecte...

Page 9: ...e is no signal and with blue background on the screen the TV will not mute Picture Mode Selection Press the P MODE to switch between user soft standard and bright modes The value of Soft Standard and...

Page 10: ...the screen See the follow illustration Timer In TV mode press the TIMER on the remote control the screen displays the current time of the TV When press the button repeatedly the screen will display th...

Page 11: ...mber is 2 Off Time The operation is same to the On Time mode Sleep Timer Press the to select the sleep time among 10 20 30 60 90 120 180 and OFF orderly Note In AV S Video YPbPr modes the setup and op...

Page 12: ...Color Tint modes can be altered Brightness To brighten or darken the picture Contrast To increase or decrease the gain of the picture Color To increase or decrease the chroma of the picture Tint To in...

Page 13: ...etup and operation are same to the TV mode is a trademark of SRS Labs Inc TruBass technology is incorporated under license from SRS Labs Inc Using the Basic Setup Menu 1 Press MENU repeatedly to enter...

Page 14: ...Color System In TV mode select Color System and press to switch between AUTO NTSC NTSC4 43 PAL PAL60 and SECAM Modes Note In S Video AV modes the setup and operation are same to the TV mode Sound Syst...

Page 15: ...utes during searching and no sound output Search In TV mode select Search to enter the Manual Searching mode Press the so that the TV searches another lower or upper program position After searching t...

Page 16: ...CH CH you will find the position number skipped 4 Input the channel number directly to resume the position number that has been skipped II In PC DVI Modes General operation Signal Sources Switch 1 Pr...

Page 17: ...desired adjustment Only when the Color Temperature is in User Mode the value of User R User G and User B can be changed In Cool Neutral or Warm mode they are brown and cannot be changed Picture Posit...

Page 18: ...ode in order to save the power energy and prolong your LCD TV s lamp life the LCD TV will automatically power off within 15 seconds and enter into the Power Energy Saving Mode if there is no VGA signa...

Page 19: ...E MODE Press MENU and buttons at the same time to enter into the service mode See the following illustration the picture mode can be adjusted Press MENU button again to adjust the items in the followi...

Page 20: ...H LCD2000Service Manual Page 19 of 57 19...

Page 21: ...ut fr Features 0 5 V to 1 0 V Analog In Power Low Power 500 mW Typical 4 2 2 Output Format Mode AD9883A Pin Name Function 70 RED0 RED7 Outputs of Converter Red Bit 7 is the MSB 77 2 9 GREEN0 Outputs o...

Page 22: ...Serial Port Data I O 33 FILT Connection for External Filter Components for Internal PLL 26 27 39 42 45 46 51 52 59 62 D AVD Analog Power Supply 11 22 23 78 79 69 V33 Output Power Supply 34 35 PVDD PL...

Page 23: ...and CVBS S VHS Display and deflection control VPC 324xD High quality soft mixer controlled by Fast Blank picture sizes 1 4 1 9 1 16 1 32of normal size 15 predefined PIP display configurations and exp...

Page 24: ...field 54 AVO Active Video Output 55 FSY HC Not connected 56 MSY HS Main Sync Horizontal Sync Pulse 57 VS Vertical Sync Pulse 58 FPDAT Not connected 60 CLK5 CCU 5 MHz Clock Output 61 NC Not connected...

Page 25: ...rol ed roller supp with 16 colors from a 64K color pa arent translucent and in fade out functions chip mic or with ava reference source code allows manufacturers to lop featur ucts with ra Image Proc...

Page 26: ...OS 86 Microprocessor er o Pin Function Pin Video ns Port Pin Descriptio 71 VCLK VPort Pixel Clock 74 VVS VPort Vertical Sync 75 VHS VPort Horizontal Sync 69 VFIELD Video or Graphics port odd even fiel...

Page 27: ...write to external ROM 198 CS0 Miscellaneous Chip Select 0 199 CS1 Miscellaneous Chip Select 1 193 NMI Non maskable Interrupt 164 1 173 84 187 A1 A19 Microprocessor address bus output bits 192 148 163...

Page 28: ...186 VSS Digital core ground 29 52 72 86 104 123 140 VDDQ3 171 208 3 3V digital I O power 1 30 53 73 87 105 124 141 VSSQ Digital I O groun 172 d 165 VDDPA2 1 8V analog clock generator power 166 VSSPA2...

Page 29: ...H LCD2000Service Manual Page 28 of 57 Block Diagram for PW113 28...

Page 30: ...switching between mono The le chip Multis Sound Processors proc andards worldw s well as the NICAM digital sound standards Th rocessing ith analog sound processed rformed o chip T s identificatio ster...

Page 31: ...oscillator 70 TESTIN Test pin 69 ANA_IN2 IF input2 can be left vacant only if input1 is a ot in use lso n 68 ANA_IN IF common be left vacant only if IF input 1 is also not e can in us 67 ANA_IN1 IF i...

Page 32: ...round 13 1 DVSUP Digital pow upply 5 V 2 11 er s 10 ADR_CL ADR clock TDA 5 190 The TDA1905 is a monolithic integrated circuit in POWERDIP package intended for use as low f cy power range of applicatio...

Page 33: ...1905 ram f SERVICE DATA AD9883A U3 In V ode GDM8145 multimete GA M r PIN NO PIN Voltage Resistance to Ground 20K Ran lack probe on GND V ge B 1 0 2 0 14 3 2 38 4 2 44 0 41 5 2 44 0 41 6 2 44 0 41 7 3...

Page 34: ...18 2 44 19 1 98 20 0 21 0 22 3 29 23 3 29 24 0 25 0 0 26 3 31 0 45 27 3 31 28 0 29 0 05 0 45 30 0 24 0 31 0 01 32 0 33 1 54 34 3 31 35 3 31 0 36 0 0 44 37 0 37 38 0 39 3 31 40 0 41 0 42 3 31 43 0 27 4...

Page 35: ...69 3 29 14 15 70 0 12 71 0 04 72 0 12 73 0 11 74 0 11 75 3 2 76 0 33 14 15 77 3 05 0 78 3 29 0 41 79 3 29 0 80 0 VPC3230 15 U In TV ode GDM8145 multimete M r PIN NO PIN Vo Resistance to Ground 20K Ran...

Page 36: ...2 57 20 2 57 21 0 01 22 0 23 0 24 1 63 25 0 03 0 01 26 3 0 25 65 27 4 6 28 1 61 29 3 29 0 63 30 0 0 31 1 99 32 0 82 33 0 83 34 1 08 35 0 0 36 3 29 0 63 37 1 13 38 1 08 39 1 13 40 1 24 41 0 42 0 43 0 4...

Page 37: ...0 65 0 0 66 0 0 66 67 2 53 0 42 68 0 0 69 5 05 12 69 70 1 62 71 1 37 72 1 51 73 1 37 74 1 49 75 1 43 76 5 77 0 78 2 0 53 41 79 0 80 0 0 PW113 U18 GDM8145 multimeter PIN NO PIN V e V Resistance to Gro...

Page 38: ...0 23 0 24 0 25 0 26 0 27 0 28 3 0 29 64 29 3 0 29 64 30 0 0 31 0 32 0 33 0 34 0 35 0 36 0 37 1 79 0 42 38 0 0 39 2 74 10 63 40 2 73 10 67 41 2 73 10 71 42 2 74 10 56 43 2 74 10 68 44 2 75 10 53 45 2...

Page 39: ...64 3 28 65 1 79 66 0 0 67 0 98 17 0 68 3 29 69 1 65 70 0 71 1 70 72 3 0 29 46 73 0 0 74 0 06 75 0 12 76 1 18 77 1 13 78 0 61 79 0 77 80 1 32 81 0 82 1 57 83 0 84 1 79 85 0 0 86 3 29 0 46 87 0 0 88 1...

Page 40: ...08 28 109 3 28 110 2 72 111 1 18 112 1 09 113 0 64 114 0 78 115 1 39 116 1 40 117 1 57 118 1 62 119 1 29 120 1 25 121 0 25 122 0 44 1 3 0 23 29 46 124 0 0 1 1 25 24 126 0 1 1 27 34 128 1 45 129 1 31...

Page 41: ...155 1 58 156 1 10 157 1 45 158 1 25 159 1 30 160 1 56 161 1 96 162 1 63 163 1 79 164 1 86 165 1 79 0 42 166 0 0 167 1 79 0 47 168 0 0 169 1 55 170 1 65 171 3 29 0 44 172 0 0 173 0 25 changing 174 0 21...

Page 42: ...19 3 29 7 19 3 29 8 19 3 29 9 20 0 06 0 20 changing 1 0 21 20 2 35 2 20 4 98 3 12 08 20 3 28 4 20 2 47 5 20 3 10 6 20 3 14 7 3 73 20 0 8 0 44 74LVC126A U11A In VGA Mode GDM8145 multimeter PI NO oltage...

Page 43: ...0 7 74 U12 5 0 14 07 U13 3 3 0 82 U16 3 3 0 46 Note Data might be somewhat different from the above if of multimeter LAC F PARTS TS L electr nical components in this ch lated cteristi ts which have e...

Page 44: ...MAIN Board tribute 10 000JT R10 000JT 10 000JT R10 000JT 10 000JT R10 000JT 10 000JT R10 000JT 10 000JT R10 000JT R10 220JT CR10 220JT R10 220JT Position Name At Type R133 Chip Resistor RC 03000JT CR...

Page 45: ...hip Resistor CR10 101JT R49 Chip Resistor RC 03K101JT R49 Chip Resistor CR10 101JT R101 Chip Resistor RC 03K101JT R101 Chip Resistor CR10 101JT R109 Chip Resistor RC 03K101JT R109 Chip Resistor CR10 1...

Page 46: ...T CR10 3 R61 Chip Resistor RC 03K332JT CR10 3 R44 Chip Resistor RC 03K332JT CR10 3 R45 Chip Resistor RC 03K332JT CR10 3 R46 Chip Resistor RC 03K332JT CR10 3 R47 Chip Resistor RC 03K332JT CR10 3 R41 Ch...

Page 47: ...sistor RC 03K103JT R39A Chip Resistor CR10 103JT R110A Chip Resistor RC 03K103JT R110A Chip Resistor CR10 103JT R104B Chip Resistor RC 03K103JT R104B Chip Resistor CR10 103JT R84 Chip Resistor RC 03K1...

Page 48: ...120J500NT C154 Chip Capacitor 0603CG120J500NT C81 Chip Capacitor 0603CG120J500NT C82 Chip Capacitor 0603CG120J500NT C155 Chip Capacitor 0603CG150J500NT C156 Chip Capacitor 0603CG150J500NT C241 Chip Ca...

Page 49: ...or 0603CG560J500NT C84 Chip Capacitor 0603CG560J500NT C83 Chip Capacitor 0603CG560J500NT C56 Chip Capacitor 0603CG151J500NT C128 Chip Capacitor 0603CG391J500NT C131 Chip Capacitor 0603CG391J500NT C165...

Page 50: ...hip Capacitor C171 Chip Capacitor 0603B473K500NT C158 Chip Capacitor 0603B473K500NT C29 Chip Capacitor 0603B473K500NT C32 0603B473K500NT Chip Capacitor C59 Chip Capacitor 0603B473K500NT C163 Chip Capa...

Page 51: ...03B104K500NT C246 Chip Capacitor 0603B104K500NT C247 0603B104K500NT Chip Capacitor C248 Chip Capacitor 0603B104K500NT C249 Chip Capacitor 0603B104K500NT C250 Chip Capacitor 0603B104K500NT C251 0603B10...

Page 52: ...04K500NT C70 Chip Capac 0603B104K500NT C64 Chip Capac 0603B104K500NT C72 Chip Capac 0603B104K500NT C71 Chip Capac 0603B104K500NT C110 Chip Capac 0603B104K500NT C111 Chip Capac 0603B104K500NT C35 Chip...

Page 53: ...CD11C 16V 1 C172 Aluminu CD11C 16V 1 C170 Aluminu CD11C 16V 1 C149 Aluminum Electrolytic C CD11C 16V C123 Aluminum Electrolytic C CD11C 16V 10 FM C121 Aluminum Electrolytic C CD11C 16V C43 Aluminum El...

Page 54: ...8 Aluminum Electr CD11C 16V 1 C116 Aluminum CD11C 16V 1 C145 Aluminum E CD11C 16V 100 FM C102 Aluminum E CD110X 25V 470 FM C86 Aluminum E CD110X 25V 470 FM C92 Aluminum E CD110X 25V 680 FM C101 Alumin...

Page 55: ...HJ L2 Fixed Inductor B0606 22 HJ Fixed Inductor B0606 47 HK L8 Fixed Inductor L6 Fixed Inductor T 68uH JUB4 757 119 L6 Fixed Inductor T 100 H Feed through Inductor M2011 L5 Feed through Inductor M201...

Page 56: ...tegrate Circuit LM1117MPX 3 3 U21 Integrate Circuit NCP1117ST33T3 U9 Integrate Circuit NCP1117ST18T3 U18 Integrate Circuit Z PW113 10Q U15 Integrate Circuit Z VPC3230D QA B3 U20 Integrate Circuit Z AM...

Page 57: ...acitor MS CDPS 50V 2 2 FM CL1 Chip Aluminum Electrolytic Capacitor MS CDPS 50V 2 2 FM CL3 Chip Aluminum Electrolytic Capacitor MS CDPS 50V 2 2 FM CR1 Chip Aluminum Electrolytic Capacitor MS CDPS 50V 2...

Page 58: ...ouch Switch KA1W6 5 40 1 KK02 Touch Switch KA1W6 5 40 1 KK03 Touch Switch KA1W6 5 40 1 KK04 Touch Switch KA1W6 5 40 1 KK05 Touch Switch KA1W6 5 40 1 KK06 Touch Switch KA1W6 5 40 1 KK07 Touch Switch KA...

Page 59: ...Assembly 94 No Code No Parts Qty Remarks Panel Assembly Screen Assembly Backover Assembly Stand Assembly Shield II Shield I Shield Wired Connectors Wired Connectors Wired Connectors Wired Connectors J...

Page 60: ...4 5 6 A B C D 6 5 4 3 2 1 D C B A Title Number Revision Size B Date 26 May 2004 Sheet of File D RSC TM201E3 20KeyAmp V3 DDB Drawn By KEY KEY sch TDA1905 TDA1905 Sch KEY AND AUDIO AMP BOARD H LCD2000 1...

Page 61: ...2 KA1W6X5 40 1 KK03 KK04 KK06 KK05 KK01 2 0 2 Key Board 3 H LCD2000 MENU TV AV CH CH VOL VOL To Main Board 12 11 10 9 8 7 6 5 4 3 2 1 XK01 CON 12 KK07 KA1W6X5 40 1 POWER ON LK01 22uH GND 2 OUT 3 Vs 1...

Page 62: ...NVERT IN 6 SVR 7 INPUT 8 GND 9 GND 10 GND 11 GND 12 GND 13 GND 14 GND 15 GND 16 TDA1905 U2 TDA1905 CR1 2 2uF 16V CR7 1000uF 16V CR5 47uF 16V CR4 10uF 16V VA12 CR2 0 1uF RR1 10K RR2 680 OHM RR3 4 7 OHM...

Page 63: ...BK GHSSOG GVS SDA SCL GCOAST GRE 7 0 GGE 7 0 GBE 7 0 GAIN BAIN VSYNC RAIN HSYNC AD9883A AD9883A sch DCLK DEN DHS DVS DRE 7 0 DGE 7 0 DBE 7 0 A 19 1 D 15 0 ROMOEn ROMWEn NMI GCLK GVS GHSSOG M GFBK VVS...

Page 64: ...T 5 VT A001 TDQ 6F9 FM1W VT5 32V Tuner for CN SCL H SDA H SIF C3 27pF C5 33pF C8 10nF L2 PL 22 C56 150p C50 10nF L1 47 uH VT12 R3 1 5K C9 22uF 16V C49 47uF 16V C30 22uF 16V C43 10uF 16V TV VIDEO Vin 1...

Page 65: ...BOX 17 CSYNC 8 LPF 9 U2 Z86229 C17 560P C10 0 1uF R26 470 OHM R29 470 OHM R25 47 OHM R24 2K R27 2K R23 470 OHM Q5 BC847 AVCC AVCC C7 4 7uF 6 3V VOUT C13 33P C190 0 22uF C14 33P C15 33P C16 33P C18 0 1...

Page 66: ...R10 0 OHM R7 0 OHM C244 10uF 16V SRS RIN R111 9 09K R57 1 91K R116 1 24K R11 7 15K C245 0 1uF C248 0 1uF R120 25 5K C247 0 1uF C249 0 1uF R118 16 9K R124 909 OHM R63 6 34K C246 0 1uF C250 0 1uF R117...

Page 67: ...20 NC 22 NC 23 SC4_IN_L 47 SC4_IN_R 48 ASG4 49 ASG2 52 ASG1 55 NC 75 NC 76 NC 66 NC 1 DVSUP 12 DVSUP 13 DVSS 15 DVSS 16 NC 29 NC 31 NC 32 NC 41 NC 42 AHVSS 44 NC 46 NC 59 NC 63 NC 64 AVSS 62 U5 MSP34...

Page 68: ...2IN 6 B1 CB1IN 1 G1 Y1IN 2 R1 CR1IN 3 FB1IN 79 VSUPD 10 VSUPPA 26 VSUPLLC 29 VSUPY 36 VSUPC 45 VSUPSY 52 VSTBY 59 VSUPF 69 VSUPAI 76 U15 VPC3230 C171 47nF C173 47nF C165 390pF C160 1 5nF C159 0 22uF C...

Page 69: ...2 BLUE0 19 BLUE1 18 BLUE2 17 BLUE3 16 BLUE4 15 BLUE5 14 BLUE6 13 BLUE7 12 VSOUT 64 AVD1 26 AVD2 27 AVD3 39 AVD4 42 AVD5 45 AVD6 46 AVD7 51 AVD8 52 AVD9 59 AVD10 62 VDD1 11 VDD2 22 VDD3 23 VDD4 69 VDD5...

Page 70: ...SPA1 168 VDDQ30 28 VDDQ31 52 VDDQ32 72 VDDQ33 86 VDDQ34 104 VDDQ35 123 VDDQ36 140 VDDQ37 171 VDDQ38 208 VDDPA1_1 8V 167 VDDPA2_1 8V 165 VDD11 16 VDD12 37 VDD13 65 VDD14 84 VDD15 137 VDD16 185 U18D PW1...

Page 71: ...romice NMI Reset and JTAG ROM Emulator EEPROM NMI Pushbutton Reset 14 H LCD2000 R61 3 3K V33 C114 0 1uF C46 22uF 16V C167 0 1uF CE 26 OE 28 WE 11 RP 12 WP 14 BYTE 47 A0 25 A1 24 A2 23 A3 22 A4 21 A5 2...

Page 72: ...BLKEN BRI CON C86 470uF 25V C92 680uF 25V C87 0 1uF C91 0 1uF L5 TEM2011 D1 IN5824 L6 LGT 68uH C101 1000uF 16V L7 TEM2011 C102 470uF 16V C98 0 1uF V5 VCC C93 1uF C94 1uF C97 1uF C105 1uF C108 1uF C10...

Page 73: ...CMO DDB Drawn By R32 10K R34 10K Q2 2SC2712 Ver 6 14 RSC Display Output Connector H LCD20003 13 R101 100 OHM C151 10uF 16V Q14 BC847 R58 3K V5 LCDON C116 100uF 25V DR13 0 OHM BLKON R62 150K DD13 4148...

Page 74: ...1SN01 RSC H LCD2000 DBE0 DBE1 DBE2 DBE3 DBE4 DBE5 DBE6 DBE7 DGE0 DGE1 DGE2 DGE3 DGE4 DGE5 DGE6 DGE7 DRE0 DRE1 DRE2 DRE3 DRE4 DRE5 DRE6 DRE7 DBE 7 0 DGE 7 0 DRE 7 0 DEN DCLK 14 14 Ver 6 DVS DHS 50 49 4...

Page 75: ...14 VCC FB1 STSB2012 121PT FB2 STSB2012 121PT FB3 STSB2012 121PT D8 3 3V D6 3 3V R60B22 OHM R60A 2 2K C80A 22P C79A 22P R19B 22 OHM R19A 2 2K VSYNC HSYNC FB4 STSB2012 801PT FB5 STSB2012 801PT 3 2 1 14...

Page 76: ...6 AU CMO DDB Drawn By 1A 1 1B 2 1Rd 3 1Q 4 2Q 5 2CEXT 6 2REXT 7 GND 8 2A 9 2B 10 2Rd 11 2Q 12 1Q 13 1CEXT 14 1REXT 15 VCC 16 U24 74LV123 GHSSOG M R114 47K C168 220 pF V33 D9 4148 R115 47 OHM R112 330...

Page 77: ...1 2 3 4 A B C D 4 3 2 1 D C B A Title Number Revision Size A4 Date 26 May 2004 Sheet SC 1 6 3 7 4 2 5 J1 ZWL 3F 7P R1 1 2Y 150 R2 1 2Y 150 R4 1K R3 1K R L Earphone Board 1 2 3 4 5 6 J2 CON6...

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