DAEWOO ELECTRONICS DV 115 Service Manual Download Page 1 | Manualshive

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DV-115/125

Digital Home Cinema System

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Summary of Contents for DV 115

Page 1: ...DV 115 125 Digital Home Cinema System...

Page 2: ...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 32 1 DV 115 WIRING DIAGRAM 2 DV 125 WIRING DIAGRAM 12 L...

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: ...20 6KHz Input Sen Impedance Composite Video Video1 Video2 1Vp p 75 ohms 0 5dB Output Level Impedance C Video Video1 Rec Monitor 1Vp p 75 ohms 0 5dB S Video DVD Only Y 1Vp p 75 ohms negative sync 0 5dB...

Page 6: ...25 MOVE DOWN button 26 MOVE RIGHT button 27 MENU button 28 MIC jack Option 29 ECHO LEVEL control Option 30 MIC VOL control Option 6 EDR 700S 1 POWER ON OFF switch 2 STANDBY indicator 3 STANDBY ON but...

Page 7: ...onnectors 13 FRONT SPEAKERS connectors 14 TV IN jacks 15 TAPE MD IN PLAY IN REC REC jacks 16 VIDEO 2 IN jacks 17 VIDEO 1 PLAY IN REC OUT jack 18 AC outlet Display 1 SURROUND MODE indicator 2 RDS indic...

Page 8: ...tton 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 bu...

Page 9: ...4 Connecting to Equipment DV 115 125 Connecting to TV Scart Cable Optional 9...

Page 10: ...4 Connecting to Equipment DV 115 125 Connecting to AUDIO VIDEO 10 Remove the protective caps before making connections When not in use be sure to replace them...

Page 11: ...C Optional Front speakers AS 18UD F Optional Right ch Left ch Surround speakers AS 18UD R Optional Right ch Left ch Press and hold the lever Insert the stripped end of the cord Release the lever to r...

Page 12: ...igh 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 Interface...

Page 13: ...he FRONT POWER is OK Yes Check if the IC904 OSC PIN 40 waveform is OK 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...

Page 14: ...SPEAKER system Refer to RELAY circuit Refer to MAIN AMP circuit STK402 050 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 C...

Page 15: ...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 the...

Page 16: ...it 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 leve...

Page 17: ...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 UP...

Page 18: ...ETECT 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 DOOR...

Page 19: ...veform Optical Output Audio Data Signal waveform L R Clock Data Waveform During Normal Play Serial Data Output Waveform During Normal Play 19 e e 3L J5 e V X W Y e V T Yf N H e J L e W R Xf W Y V X e...

Page 20: ...orm in Component Output Y Output Data Waveform in Component Output 7 Waveforms of Major Check Method DV 115 125 e e 3L J5 e V X W Y e V T Yf N H e J L e W R Xf W Y V X e 7H N1 e e e TEST POINT DVD TES...

Page 21: ...or DAIF Decoder AC 3 MPEG Detect Error Detect DEM p I F Audio I F 96kHz Detect X tal Oscillator RX1 RX2 RX3 RX4 V TX DVDD DVSS PDN AUTO ERF P S L TVDD LRCK BICK SDTO DAUX FS96 XTO XTI MCKO2 MCKO1 R AV...

Page 22: ...VDD AOUT_0 AIN AOUT_1 S PDIF ALRCLK ABCLK Y_0 C_7 Y_2 Y_1 Y_3 VDD GND Y_6 Y_5 Y_4 FI Y_7 VSYNC HSYNC CBLANK VDEN AOUT_2 HA_2 GND HA_3 HD_0 HD_1 HD_2 HD_3 HD_4 VDD HD_6 GND HD_5 HD_7 HD_9 HD_10 HD_11...

Page 23: ...l Ground DGND AGND Analog Ground Digital Power VD VA Analog Power Digital Interface Power VL AINL Left Channel Analog Input Master Clock MCLK AINL Left Channel Analog Input SCL CCLK SCL CCLK FILT Inte...

Page 24: ...INT RESET I2 C Interface Host Parallel Interface Color Sub carrier Synthesizer 8 Video Formatter Control Registers Chroma Modulate Chroma Amplifier Output Interpolate LPF Burst Insert Chroma Interpola...

Page 25: ...0 NC PE0 EC0 INT0 PE1 EC1 INT1 PE2 INT2 PE3 INT3 NMI PE4 RMC PE5 PE6 PWM PE7 TO ADJ PC0 KR0 PC1 KR1 PC2 KR2 PC3 KR3 PC4 KR4 PC5 KR5 PC6 KR6 PC7 KR7 PB0 CINT PB1 CS0 PB2 SCK0 PB3 SI0 PB4 SO0 PB5 SCK1 P...

Page 26: ...115 125 HY57V161610DTC 8 Column Addr Latch Counter Burst Length Counter Refresh Interval Timer Refresh Counter DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DQ8 DQ9 DQ10 DQ11 DQ12 DQ13 DQ14 DQ15 Address Register I...

Page 27: ...8 Internal Block Diagram of ICs DV 115 125 LA7952 NJM2068 NJU7313A 27...

Page 28: ...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 1...

Page 29: ...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 9...

Page 30: ...10 Block Diagram 30 DV 115 125...

Page 31: ...2 DV 125 11 Wiring Diagram 31...

Page 32: ...1 DV 115 11 Wiring Diagram 32...

Page 33: ...LEVEL Diagram 12 Level Diagram 33 DV 115 125...

Page 34: ...13 Schematic Diagram 34 1 DV 115 FRONT...

Page 35: ...13 Schematic Diagram 35 2 DV 125 FRONT...

Page 36: ...13 Schematic Diagram 36 DV 115 125 DSP 1...

Page 37: ...13 Schematic Diagram DV 115 125 DSP 2 37...

Page 38: ...13 Schematic Diagram DV 115 125 DSP 3 38...

Page 39: ...13 Schematic Diagram DV 115 125 MPEG 39...

Page 40: ...Main Schematic Diagram 1 Power Schematic Diagram 13 Schematic Diagram 40...

Page 41: ...Main Schematic Diagram 2 Amp Schematic Diagram 13 Schematic Diagram 41...

Page 42: ...Main Schematic Diagram 3 Input Schematic Diagram 13 Schematic Diagram 42...

Page 43: ...Main Schematic Diagram 4 Video Schematic Diagram 13 Schematic Diagram 43...

Page 44: ...1 2 BOTTOM View Front PCB 1 1 TOP View 14 Printed Circuit Diagram 44 1 DV 115 Front PCB...

Page 45: ...14 Printed Circuit Diagram 45 Front PCB 1 1 TOP View 1 DV 125...

Page 46: ...DV 125 Front PCB 2 BOTTOM View 14 Printed Circuit Diagram 46...

Page 47: ...2 BOTTOM View DSP PCB 1 TOP View 14 Printed Circuit Diagram 47...

Page 48: ...2 BOTTOM View MPEG PCB 1 TOP View 14 Printed Circuit Diagram 48...

Page 49: ...DV 115 125 MAIN PCB 14 Printed Circuit Diagram 49...

Page 50: ...15 Mechanism NO Q ty Description PART NAME Hexagon Ni Coated Ni Coated Ni Coated 50 DV 115 125...

Page 51: ...16 Exploded View and Mechanical Parts List DV 115 51...

Page 52: ...16 Exploded View and Mechanical Parts List DV 125 52...

Page 53: ...1 COVER BACK 9CD04122C0 9CD04122U0 SECC 0 8T SPRAY SILK 1 CE VERSION UL VERSION 32 COVER TOP 9CD0412100 SECC 0 7T SPRAY 1 C1 FL DISPLAY DHNA11MM37 NHA 11MM37 1 C2 TRANS POWER 5TP8086851 5TP1086852 EI...

Page 54: ...16 Exploded View and Mechanical Parts List DV 115 125 54...

Page 55: ...0 CONN AS 22 P7 92 2P 460MM UL 1617 CN993 BACK M3 CP701 AC CORD 9728808100 WAFER GP390 03P TS M W O CENTER MAIN M4 CP705 CN701 REGURATOR 9728810500 CONN AS 24 P2 0 8P 140MM UL 1007 MAIN M5 CP710 CP852...

Page 56: ...P 75 C CHIP CERA C589 HCQK681JBA 50V CH 680PF J 1608 24 C ELECTRO C526 CEXF1E470E 25V RM 47MF 5X11 76 C ELECTRO C590 CEXF1H100E 50V RM 10MF 5X11 TP 25 C CHIP CERA C527 HCBK104KBA 50V X7R 0 1MF K 1608...

Page 57: ...FT103JBA 1 10 10K OHM J 1608 127 IC CHIP IC519 520 1NJM4558M NJM4558M 179 R CHIP R541 HRFT223JBA 1 10 22K OHM J 1608 128 IC IC521 1BU4052BCF BU4052 180 R CHIP R542L R HRFT151JBA 1 10 150 OHM J 1608 12...

Page 58: ...ZN4148 1N4148 AUTO 52MM 230 R CHIP R599L R HRFT104JBA 1 10 100K OHM J 1608 33 DIODE D905 DZN4007 IN4007 231 R CHIP R600 HRFT474JBA 1 10 470K OHM J 1608 34 DIODE D906 DZN4148 1N4148 AUTO 52MM 232 R CHI...

Page 59: ...01 906 5S50101001 KPT 1105A 1C 1P 36 C CERA C758A B C L R CZCH1H309K CH 50V 3PF K AXL 26MM 86 SW TACT SW908 924 5S50101001 KPT 1105A 1C 1P 37 C CERA C759A B C L R CCXF1H223Z 50V F 0 022MF Z TAPPING 87...

Page 60: ...100JS 1W 10 OHM J SMALL 90 DIODE D729 DZN4148 1N4148 AUTO 52MM 142 R METAL FILM R724A B C L R RN01B100JS 1W 10 OHM J SMALL 91 DIODE ZENER D730 DZTZ5R6B UZ 5 6B 143 R CARBON FILM R726A B C L R RD AZ223...

Page 61: ...09 CEXF1H339E 50V RM 3 3MF 5X11 TP 63 R CHIP R920 HRFT221JBA 1 10 220 OHM J 1608 12 C CHIP CERA C910 HCQK561JBA 50V CH 560PF J 1608 64 R CARBON FILM R921 RD 4Z331J 1 4 330 OHM J 13 C CHIP CERA C911 HC...

Page 62: ...HM J 1608 39 C CHIP CERA C475 477 HCBK104KBA 50V X7R 0 1MF K 1608 91 R CHIP R429 HRFT562JBA 1 10 5 6K OHM J 1608 40 C ELECTRO C478 CEXF1E101E 25V RM 100MF 6 3X11 TP 92 R CHIP R430 HRFT102JBA 1 10 1K O...

Page 63: ...3X11 TP 8 C CERA C868 CCXF1H473Z 50V F 0 047MF Z TAPPING 9 CONN AS CP851 9728810300 26 P2 0 11P 220MM UL1007 10 CONN WAFER CP852 9728808600 2 0MM PH 6AW 6P 11 DIODE D851 855 DZN4148 1N4148 AUTO 52MM...

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