Daewoo DHC-X200 Service Manual Download Page 19 | Manualshive

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7. Waveforms of Major Check Method

DHC-X200/X250

-. Audio Out Signal Waveform

-. DAC Output Signal Waveform

-. Optical Output Audio Data Signal waveform

-. L/R Clock Data Waveform During Normal Play

-. Serial Data Output Waveform During Normal Play

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TEST POINT : DVD TEST DISC MDVD-W111 TRACK2 COLOR BAR

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Summary of Contents for DHC-X200

Page 1: ...DHC X200 X250 Digital Home Cinema System...

Page 2: ...OUTPUT DATA WAVEFORM IN COMPONENT OUTPUT Y OUTPUT DATA WAVEFORM IN COMPONENT OUTPUT 8 INTERNAL BLOCK DIAGRAM OF ICs 21 27 9 IC VOLTAGE CHART 28 29 10 BLOCK DIAGRAM 30 11 WIRING DIAGRAM 31 12 LEVEL DI...

Page 3: ...uld be used only with a cart or stand that is recommended by th manufacturer 3 An appliance and cart combination should be moved with care Quick stops excessive force and uneven surfaces may cause the...

Page 4: ...hat objects do not fall and liquids are not spilled into the enclosure through openings 16 Damage Requiring Service The appliance should be serviced by qualified service personnel when a The power sup...

Page 5: ...2 Specifications DHC X200 X250 5...

Page 6: ...WN button 27 MOVE RIGHT button 28 ECHO LEVEL control Option 29 MIC VOL control Option 30 MIC jack Option Front Panel 1 DHC X200 6 2 DHC X250 1 POWER ON OFF switch 2 STANDBY indicator 3 STANDBY ON butt...

Page 7: ...PAUSE indicator 17 MULTI FUNCTION indicator 18 SPEAKER CONFIGURATION indicator 7 1 FM ANTENNA connector 2 AM ANTENNA connectors 3 DIGITAL INPUT OPTICAL jack 4 DIGITAL INPUT COAXIAL jack 5 DIGITAL OUT...

Page 8: ...button 17 GAME button 18 ZOOM button 19 DISPLAY button 20 D RANGE Dynamic Range button 21 FM MODE button 22 DIMMER button 23 TEST TONE button 24 REPEAT PTY button 25 RANDOM RDS button 26 TUNER PRESET...

Page 9: ...connection The S video connection will provide higher quality picture playback 21 Pin SCART Cable not included to 21 pin SCART input terminal on TV Component SCART terminal is optional Exclusive SCART...

Page 10: ...s before making connections When not in use be sure to replace them The OPTICAL INPUT connector is for equipment with a digital audio output such as a satellite tuner which is to be connected to analo...

Page 11: ...replace it Front speakers Right ch Left ch RED BLACK BLACK BLACK Center speaker BLACK BLUE Subwoofer speaker BROWN BLACK WHITE WHITE Active subwoofer USER Optional Audio Input To prevent damage to ci...

Page 12: ...High Yes Check Protection circuit No No No No No No No 1 Does DVD appear at VFD Push power on Does loading appear at VFD Yes Does no DISC or time appear at VFD Yes Check if DVD an Audio Micom Interfa...

Page 13: ...the FRONT POWER is OK Yes Check if the IC904 OSC PIN 40 waveform Yes Check if the IC904 PIN 44 45 is OK Check if POWER PART of the FRONT is OK Replace X901 Check if the VOLUME is OK Check if the HEADP...

Page 14: ...SPEAKER system Refer to RELAY circuit Refer to MAIN AMP circuit TDA7265 No Yes Yes No No Check if the CN505 is OK Check if the IC510 PIN 3 4 waveform is OK Check if the CN502 PIN 7 waveform is OK Chec...

Page 15: ...IC CS4228 No Yes MAIN VOLUME Abnormal Check if the M62446FP is OK Refer to FRONT PCB Refer to VOLUME IC M62446FP No Yes Optical in OK Refer to Dir circuit IC504 AK4112 Optional in Abnormal Check if th...

Page 16: ...uit Yes Yes No No No Yes OPEN CLOSE Abnormal Check if the FRONT CONTROL is OK Check if the CN706 is OK Check if the ATAPI Cable if is normally Check PN303 if is normally Check if the PN303 PIN 3 5 lev...

Page 17: ...HA DVD Refer to IC102 MT1388 or replace DECK MECHA DVD Yes Yes Yes Yes Yes Yes Yes No No No No No No No DISC READ Abnormal Check if the CN706 is OK Check if the ATAPI Cable is normally Refer to PICK U...

Page 18: ...DETECT THE UPDATE DISC LOAD LOADING DOOR CLOSE 3 READ THE DISC LOAD DOWNLOAD FROM CDROM 4 COMPLETED THE READ LOAD or NO DISPLAY DOWNLOAD FROM CDROM DOOR OPEN 1 5 COMPLETED THE UPDATE LOAD LOADING DOO...

Page 19: ...250 Audio Out Signal Waveform DAC Output Signal Waveform Optical Output Audio Data Signal waveform L R Clock Data Waveform During Normal Play Serial Data Output Waveform During Normal Play 19 TEST POI...

Page 20: ...aveform in Component Output Cb Output Data Waveform in Component Output Y Output Data Waveform in Component Output 7 Waveforms of Major Check Method DHC X200 X250 TEST POINT DVD TEST DISC MDVD W111 TR...

Page 21: ...8 Internal Block Diagram of ICs DHC X200 X250 AK 4112A 21...

Page 22: ...8 Internal Block Diagram of ICs DHC X200 X250 AME1117 BU4052BCF ZR36710a 22...

Page 23: ...8 Internal Block Diagram of ICs DHC X200 X250 CS4228A ZR36701 23...

Page 24: ...Mute Control Serial Data SDATA AOUTA Analog Output A Serial Clock SCLK VA Analog Power ft Right Clock LRCK AGND Analog Ground Master Clock MCLK AOUTB Analog Output B SCL CCLK SCL CCLK REF_GND Referenc...

Page 25: ...8 Internal Block Diagram of ICs DHC X200 X250 CXP82852 25...

Page 26: ...NDS SWin AVSS AGND Lout Rout Cout SLout SRout RBASS1 RBASS2 RBASS3 RTRE CL2 CL1 CR2 CR1 SW out 21 20 19 18 17 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25...

Page 27: ...8 Internal Block Diagram of ICs DHC X200 X250 LA7952 NJM2068 NJU7313A 27...

Page 28: ...0 0 18 3 3 3 3 58 3 3 3 3 98 3 3 3 3 138 3 3 3 3 19 2 3 2 3 59 3 2 3 2 99 1 0 1 0 139 3 3 3 3 20 2 2 2 2 60 3 1 3 3 100 1 0 1 0 140 3 3 3 3 21 1 8 1 8 61 0 0 0 0 101 1 0 1 0 141 5 0 5 0 22 2 3 2 6 62...

Page 29: ...1 4 9 4 9 17 2 5 33 4 9 4 9 49 4 9 5 0 2 18 2 5 34 2 0 50 4 9 5 0 3 19 2 5 4 9 35 4 9 5 0 51 4 9 5 0 4 20 36 4 9 5 0 52 4 9 4 9 5 21 2 5 4 9 37 4 9 5 0 53 4 9 5 0 6 4 9 4 9 22 2 5 4 9 38 4 9 5 0 54 4...

Page 30: ...ONN AS 22 P7 92 2P 460MM UL 1617 CN993 BACK M3 CW901 AC CORD 9728808100 WAFER GP390 03P TS M W O CENTER MAIN M4 CN901 CN701 REGURATOR 9728810500 CONN AS 24 P2 0 8P 140MM UL 1007 MAIN M5 CP710 CP852 VI...

Page 31: ...AUTO O O 47 C ELECTRO CE846 CEXF1H109V 50V RSS 1MF 5X11 TP O O 134 WIRE JUMPER JW121 W581GY12J5 AWG22 1 0 65 SN 12 5 AUTO O O 48 C ELECTRO CE847 848 CEXF1H220V 50V RSS 22MF 5X11 TP O O 135 WIRE JUMPE...

Page 32: ...JW276 W581GY6095 AWG22 1 0 65 SN 6 AUTO O O 301 R CARBON FILM R911 RD AZ682J 1 6 6 8K OHM J O O 215 WIRE JUMPER JW277 278 W581GY1005 AWG22 1 0 65 SN 10 AUTO O O 302 R CARBON FILM R912 RD AZ103J 1 6 10...

Page 33: ...HCBK104KBA 50V X7R 0 1MF K 1608 O O 118 DIODE ZENER DZ501 502 DZTZ7R5B MTZ 7 5B O O 32 C CHIP CERA C534 HCBK102KBA 50V X7R 1000PF K 1608 O O 119 IC IC501 1T0RX178B T0RX178B OPTICAL RX O O 33 C ELECTR...

Page 34: ...RA C475 477 HCBK104KBA 50V X7R 0 1MF K 1608 O O 205 R CHIP R572LR 573L R HRFT153JBA 1 10 15K OHM J 1608 O O 40 C ELECTRO C478 CEXF1E101E 25V RM 100MF 6 3X11 TP O O 206 R CHIP R572W HRFT562JBA 1 10 5 6...

Page 35: ...14 C ELECTRO C953 CEXP1C470V 16V REM 47MF O 15 C CHIP CERA C954 HCBK103KBA 50V X7R 0 01MF K 1608 O 15 C CHIP CERA C954 HCBK103KBA 50V X7R 0 01MF K 1608 O 16 C CHIP CERA C955 HCBK104KBA 50V X7R 0 1MF K...

Page 36: ...X7R 0 01MF K 1608 O 14 C ELECTRO C912 CEXF1H100E 50V RM 10MF 5X11 TP O 27 CLECTRO C928 CEXF1C221E RM 16V 220MF 6 3X11 TAT O 15 C CHIP CERA C913 HCBK392KBA 50V X7R 3900PF K 1608 O 28 C CHIP CERA C929 H...

Page 37: ...BA 50V X7R 1000PF K 1608 O 5 CONN WAFER CP902 9728808800 2 0MM PH 3AW 3P O 6 CONN WAFER CP992 9728808900 2 0MM PH 7A 7P O 7 COIL CHIP L911 912 HLC104J01A BEAD 120 OHM 100MHZ 2012 O 8 COIL CHIP L916 HL...

Page 38: ...5 D457 X X X DZN4148 DIODE 1N4148 ADD 6 DZ401 X X X DZTZ5R6B DIODE ZENER 5 6V B ADD 7 DZ402 X X X DZTZ5R6B DIODE ZENER 5 6V B ADD 8 DZ403 X X X DZTZ5R6B DIODE ZENER 5 6V B ADD 9 DZ404 X X X DZTZ5R6B...

Page 39: ...FFC 1 25X15X110MM K X O 7 MAIN CW401 9CD6264100 FFC WAFER 52045 1545 X O S N NAME DESCRIPTION S N NAME DESCRIPTION 1 BACK AC901 9736908600 CORD AC KE 25 H03VVH2 F 9736908700 CORD AC KE 01P NSPT 2 2 MA...

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