Daewoo DPD-7800N Service Manual
  1. Manuals
  2. Brands
  3. Daewoo Manuals
  4. Portable DVD Player
  5. DPD-7800N
  6. Service manual
Daewoo DPD-7800N Service Manual

Daewoo DPD-7800N Service Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Service Manual
DPD-7800N ProtableDVD

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the DPD-7800N and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Daewoo DPD-7800N

Summary of Contents for Daewoo DPD-7800N

  • Page 1 Service Manual DPD-7800N ProtableDVD...

  • Page 2: Table Of Contents

    Contents Ⅰ、DPD-7800N WHOLE FUNCTION BLOCKS DIAGRAM Ⅱ、DPD-7800N CHECK FLOW CHART 1、 TFT CHECK FLOW CHART 2、 MT1379、MT1336 SYSTEM FLOW CHART Ⅲ 、 MT1379 、 MT1336 FUNCTION BLOCKS DIAGRAM AND PIN DESCRIPTIONS 1、 MT1379、MT1336 SCHEMATIC DIAGRAM 2、 MT1379、MT1336 PIN DESCRIPTIONS 1）...

  • Page 3: Ⅰ、Dpd-7800N Whole Function Blocks Diagram

    Ⅰ、DPD-7800N WHOLE FUNCTION BLOCKS DIAGRAM...

  • Page 4: Ⅱ、Dpd-7800N Check Flow Chart

    Ⅱ、DPD-7800N CHECK FLOW CHART 1、 TFT CHECK FLOW CHART TFT CHECK START CHECK TFT OFF SWITCH（SW2） CHECK IS OK SWITCH（SW2）IS OK？ CHECK HIGH CHECK BACK PIPE VOLTAGE HIGH VOLTAGE IS CIRCUIT OK？ 5V 、 CHECK TEST DRIVE 3.33V、15V CIRCUIT VOLTAGE IS OK？...

  • Page 5: 2、 Mt1379、Mt1336 System Flow Chart

    2、 MT1379、MT1336 SYSTEM FLOW CHART...

  • Page 6: Ⅲ 、 Mt1379 、 Mt1336 Function Blocks Diagram And Pin

    Ⅲ 、 MT1379 、 MT1336 FUNCTION BLOCKS DIAGRAM AND PIN DESCRIPTIONS 1、 MT1379、MT1336 SCHEMATIC DIAGRAM...

  • Page 7: 2、 Mt1379、Mt1336 Pin Descriptions

    2、 MT1379、MT1336 PIN DESCRIPTIONS 1）MT1379 PIN DESCRIPTIONS...
  • Page 8 100k RFRPC RFRPC HTRC HTRC V1P4 10uF CB36 0.1uF NEAR PIN 212 AV33 V2P8 CB39 0.1uF 10uF 10uF CB40 CB41 0.1uF 0.1uF AV33 RFON RFON 1000pF RFIN RFOP RFIP RFOP 1000pF CB43 0.1uF CB44 47uF 100p 0.1uF 0.01uF IREF PLLVSS YUV0/CIN 0.01uF LPIOP...

  • Page 17: 2） Mt1336 Pin Descriptions

    2） 、MT1336 PIN DESCRIPTIONS...
  • Page 18 1336 POWER SEL 3.3V 3.3V 3.3V LDO_AVCC AVCC RVCCIN RVCC TRCLOSE TROPEN RFVCC ENDM STBY RVCCIN RFVCC 0.1uF HSYNC# R117 MT1376E CE10 100uF/16v A 0.1uF USE 1376 SHOULD TO OPEN USE 1336 SHOULD TO GND Reserved AGNDF VFO13 VCON CRTP 0.1uF AVDDF AGNDX...
  • Page 19 DVDA RFOP ATTENUATOR INPUT MUX DVDB RFON DVDC LRFRP DEFECT DVDD HRFRP CRTP ENVELOP ENVELOP DVDRFIN CRTPLP DETECTOR DETECTOR DVDRFIP REFCOS HALLCOS SBAD COSPHI DPFN REFSIN DPFO HALLSIN SINPHI DPDMUTE MDI2 LDO2 CDFOP LEVEL CDFON RFGC RFGCU MDI1 RFGCI LDO1 AGC1 AGC2 CENTRAL...

  • Page 23: Ⅳ、Mt1379、Mt1336 Waveform Of The Control Signal

    Ⅳ、MT1379、MT1336 WAVEFORM OF THE CONTROL SIGNAL 1、 CHECK MASTER CLOCK FREQUENCY、RESET AND FLASH CALL SIGNAL 2、 CHECK SDRAM WORK CLOCK 3、 CHECK LASER CONTROL SIGNAL 4、 CHECK AND JUDGE DISC TYPE SIGNAL 5、 CHECK FOUS SIGNAL 6、 CHECK SEEK ORBIL CIRCUIT CONTROL SIGNAL 7、...
  • Page 24 1、 CHECK MASTER CLOCK FREQUENCY、RESET AND FLASH CALL SIGNAL （a） MT1379 MASTER CLOCK IS 27MHz，TEST THE OUTPUT （b） MT1379 AND MT1336 IS HIGH RESET （c） DOWNLOAD OF THE RS232 SIGNAL...
  • Page 25 （d） DOWNLOAD FLASH READ 、WRITE SIGNAL...
  • Page 26 2、 CHECK SDRAM WORK CLOCK 3、 CHECK LASER CONTROL SIGNAL 3-1(DVD)
  • Page 27 3-2(VCD/CD) 4、 CHECK AND JUDGE DISC TYPE SIGNAL 4-1（DVD）...
  • Page 28 4-2（VCD） 5、 CHECK FOUS SIGNAL...
  • Page 29 6、 CHECK SEEK ORBIL CIRCUIT CONTROL SIGNAL 7、 CHECK RF SIGNAL...
  • Page 30 8、 CHECK 1379 OUTPUT SPDIF 9、 MT1379 OUTPUT VIDEO SIGNAL i.100% WHITE VOLTAGE OUTPUT...
  • Page 31 ii．COMPOSITE VIDEO SIGNAL 10、 CHECK 1379 OUTPUT AUDIO SIGNAL 10-1...

  • Page 32: Ⅴ、Mp1410、Aat1102 Pin Descriptions

    11、 CHECK AUDIO DAC OUTPUT AUDIO SIGNAL 11-1 Ⅴ、MP1410、AAT1102 PIN DESCRIPTIONS 1、MP1410 PIN DESCRIPTIONS...

  • Page 33: 2、Aat1102 Pin Descriptions

    2、AAT1102 PIN DESCRIPTIONS...
  • Page 34 Trouble Shooting Guide Failure classifying： Read disc failure：unable to read、read out nothing Startup failure：unable to boot-strap 、boot-strap without pictures showing Display failure：LCD unable to display、show nothing but all white no voice examining means： watching hearing testing watching so-called means looking into the phenomenon of the failure, including the action of the core , picture, meet welded, weld leaking, transmogrification and color changed of the unit, and so on.
  • Page 35 as following: Look into any Power voltage In-out breakings range、 power signal Capacit temper Clock the join point interfere y-block ature of the units he flow and judge method of failure testing： No action or read Look into Read disc nothing failure Exchange U9...
  • Page 36 检查 C70 是否有 Unable to Power indicator Examine whether Examine whether 27M 时钟 start light C70 have 27M clock communication in U8、U5、U4 is Whether good connection Whether between CON1 7PIN is in high electric level switch board 换 Y1 检查 C70 Change into Y1 是否有...
  • Page 37 The Explode View Player Explode View Damp axis DVD1751EPT-RE14 Swivel axis 300-H001156C-0002 Battery touch board 1156C Remote lens DVD1751EPT-RE15 LCD pin spring DVD1751EPT-RE16 Indicator lens DVD1751EPT-RE11 LCD pin position Function button DVD1751EPT-RE06 300-D001606C-0002 Keyboard 1606C Function button DVD1751EPT-RE06 Ornamental panel DVD1751-PT01 Flexibility block spring DVD1751EPT-RE05...
  • Page 38 The Explode View Battery Explode View 381-00250611-2900 SCREW PAHNI M2.5x6 SCREW KAHNI M1.7x6 381-00170631-2900 Battery pin position DVD1751EPT-RE21 Battery lock spring Battery switch lever DVD1751EPT-RE19 Battery pulling switch DVD1751EPT-RE20 Battery pulling switch spring Rubber pad (single-sided glue) 500-10084017-0000 Battery lower cabinet DVD1751EPT-RE18 Battery recharge board 300-I 001697 C-0002...
  • Page 39 The Explode View LCD Explode View SCREW KAHNI M1.7x7 381-00170731-2900 SCREW KAHNI M1.7x6 381-00170631-2900 SCREW KAHNI M1.7x5 381-00170531-2900 SCREW KAHNI M1.7x5 381-00170531-2900 LOGO LCD hook spring Rotation lever DVD1751EPT-RE13 LCD pin hook DVD1751EPT-RE12 Inverter board 1568C-1 300-G001568C-0000 LCD upper cabinet DVD1751EPT-RE01 Little round speaker Speaker press board T=0.6...
  • Page 46 < 3 3= < < 3 3= < > < < 2 ; 4 3 3= > < < 3 3= < 2 ; 4 2 ; 4 2 ; 4 2 ; 4 3 6 ;4 < 3 3= <...
  • Page 47 2 6 4 < < 2 6 4 2 6 4 < < ' / ; > 366= < < 2 ; 4 2 ; 4 2 ; 4 2 ; 4 < > 366= < < >3 > 3 ' /; 3 ' /;...
  • Page 48 3 3= 3 3= 3 3= 3 3= 2 ;4 2 ; 4 2 ; 4 2 ; 4 3 6 ; 4 !"# %&'(#)! '(*# -##!
  • Page 49 E ;E3 !"# $$% && / = 6 && / = 6 ,# "!- B 6/ 5 0 7 = 53=G !"# %&'(#)! '(*# 37 = 7 -##!
  • Page 50 6 7 #88 ! 6 7 "6 1 6 9# 6 7 # 6 7 "6 #88 9 ! #88 + #5)2 0#,!2* < < 4$1)# $,!)2 +0) 2 3 4 4 2 3 4 / = 6 2 3 4 2 3 4 2 3 4 ,)+2...
  • Page 51 / = 6 / = 6 / = 6 / = 6 4*/ .5 * /%06 % $* 7% /& *& ' / ;+ ' / ;+ *2,&2 - " " & ,& %)&') ! %!&'! 6 = < 7 < 3 6 ;4 <...
  • Page 52 $,1)> #5)2? 2)")! ")24# ) #23 "12+ ? *+".A)) 2# +-1$# ' & +-1$# 4$1)# ! ! 0 ; 7 * "6 ,+ ) !3 ) 1)4$0) ,+ ) !3 ) #5)2 6= 7 0#,!2* 4/ #5)2 1 < "- 6 7 :7 @ 3 ' / ;...
  • Page 53 DPD-7800N Component List Component List ！ Thickness is 1mm Mainboard 1602C Double side Thickness is 0.8mm ！ TFT Driver Board 1681C Four Folder ！ Inverter Board 1568C-1 Double side ！ Thickness is 1mm Keyboard 1606C Double side ！ Switch board 1605C Battery touch jack 1156C Thickness is 0.8mm...
  • Page 54 NAME & TYPE Item Parts No. Position No. Material Remarks BASIC INFO. PLASTICS 330-4751RE01- LCD upper cabinet DVD1751EPT-RE01 ABS+PC 9100 330-5751RE02- LCD lower cabinet DVD1751EPT-RE02 ABS+PC 9100 330-4751RE03- Player upper DVD1751EPT-RE03 ABS+PC 9200 cabinet 330-2751RE05- Disc tray cover DVD1751EPT-RE05 ABS+PC 9000 330-5751RE04- Player...
  • Page 55 Item Parts No. NAME & TYPE LOCA.NO. Remarks BASIC INFO. HARDWARE Hardware pedestal Electricity zinc board Damp axis Groupware Ball bearing Speaker press board T=0.6 OPEN button pin position press board Battery touching slice Copper nut M3×4 Flexibility block spring SPRINGS Disc tray cover spring Swivel axis lower spring...
  • Page 56 NAME & TYPE Item Parts No. LOCA.NO. Remarks BASIC INFO. SPEC. OF SCREW Chamfer head point to fasten the upper 381-00171031-29 screw & lower player Color same as base body to metal base KAHNI M1.7x10 Chamfer head point to fasten the upper 381-00170831-29 Color same as lower screw...
  • Page 57 NAME & TYPE Item Parts No. LOCA. NO. Remarks BASIC INFO. INSULATIVE PAD & DOUBLE-SIDED GLUE 500-10084017-000 Rubber Stick on the lower battery Φ 10X1.7 (single-sided glue) compartment. Stick on the inverter 500-09017080-000 Polyester insulative slice 17×80 board. Fire-proof paper Transparent tape Double-sided glue Instant dry 480# magnet...
  • Page 58 NAME & TYPE Parts No. LOCA. NO. Remarks BASIC INFO. WHOLE UNIT 206-000DM10S-00 ！ Foryou loader DM-10S (Shock-proof mad) ！ 7” LCD screen Panasonic ！ Φ28 Little round speaker COMPONENT 300-C001602C-00 thickness is 1mm ！ Main board 1602C Double side 300-F001681C-00 thickness is 0.8mm ！...
  • Page 59 NAME & TYPE Item Parts No. LOCA.NO. Remarks BASIC INFO. ACCESSORIES 312-ABVD1751-0 Owner’s manual SM245 551-00MPA690-0 Power adapter MPA-690 312-KCVD1751-0 Certification card domestic 312-KBVD1751-0 Warranty card domestic 550-0DVD1751-0 Car power adapter 312-KDVD1751-0 Packing list One end is earphone AV signal line Special piece jack 555-0000RC42-0...
  • Page 60 Item Parts No. NAME & TYPE LOCA.NO. Remarks BASIC INFO. PACKING Packing foam Packing box Single E Accessory packing box Single E 195×60×110mm 311-23527021-0 Packing bag 235×270mm 311-21524021-0 Battery packing bag 215×240mm 311-15033022-0 Power adapter packing 150×330mm 311-20624011-2 Accessory packing bag 206×240mm Plastic bag 311-06023021-0...
  • Page 61 DPD-7800N Player Component List NAME & TYPE Item Parts No. LOCA.NO. Remarks BASIC INFO. Keyboard 1606C 170-C2TP030D-00 Cover switch φ5mm K1-K4，K6-K14 Panasonic 181-00100101-010 pin, spacing CON2 horizontal flat line jack Printing board 1606C Switch board 1605C 131-A00075JT-000 0603-75Ω R180 131-A01024JT-000 0603-240Ω...
  • Page 62 DPD-7800N Mainboard 1602C Component List NAME & TYPE Item Parts No. LOCA. NO. Remarks BASIC INFO. RESISTOR R32 R33 R7 R39 R76 R181 R50 R80 R94 R45 R187 131-A00000JT-00 R175 0603-0Ω R98 R46 R47 L9 L38 R169 R82 R83 R2 R4 R28 131-B00000JT-00 0805-0Ω...
  • Page 63 DPD-7800N Mainboard1602C Component List NAME & TYPE Item Parts No. LOCA.NO Remarks BASIC INFO. R12 R22 R75 R104 R123 R95 R109 R110 R185 R126 131-A03010JT-00 0603-10KΩ R128 R129 R131 R167 R162 R19 R30 R164 R149 131-A03012JT-00 0603-12KΩ R143 131-A03015JT-00 0603-15KΩ...
  • Page 64 DPD-7800N Mainboard 1602C Component List Item Parts No. NAME & TYPE LOCA.NO. Remarks BASIC INFO. CAPACITOR 141-C0A010PH-K 0603-10p C1 C7 C11 141-C0A018PH-K 0603-18p C164 141-C0A020PH-K 0603-20p C69 C70 141-C0A022PH-K 0603-22p 141-C0A082PH-K 0603-82p C106 141-C0A110PH-K 0603-100p 141-C0A115PH-K 0603-150p C125 C126 141-C0A118PH-K...
  • Page 65 DPD-7800N Mainboard 1602C Component List NAME & TYPE Item Parts No. LOCA.NO. Remarks BASIC INFO. 141-C0A410PH-K 0603-104 CB4 CB6 CB8 CB9 CB10 CB18 CB79 C133 CB19 CB20 CB21 CB22 CB24 CB25 CB26 CB27 CB30 CB31 CB32 CB34 CB35 CB36 CB38 C157...
  • Page 66 DPD-7800N Mainboard 1602C Component List NAME & TYPE Item Parts No. LOCA.NO. Remarks BASIC INFO. SUPER-MINI ELECTROLYSIS CAPACITOR 140-DAB110UE-0 CDV-100uF/16V C21 C150 C102 C151 140-DBA110UD-0 CD11X-100uF/10V C55 C56 C22 C53 140-DBA122UD- CD11X-220uF/16V C154 0A00 140-DAB110UF-0 CDV-100uF/25V 140-DAB147UB-0 CDV-470uF/6V C94 C158 140-DABC22UH- CDV-2.2uF/50V...
  • Page 67 DPD-7800N Mainboard 1602C Component List NAME & TYPE Item Parts No. LOCA.NO. Remarks BASIC INFO. DIODE 111-B0IN4148-0T0 IN4148 D1 D2 D29 111-B0IN5819-0T2 IN5819 D19 D4 D6 (1A) 111-B00000M4-0T 111-BSBRD335-0 SBRD335LT4 (3A) 111-B0BAT54S-0T BAT54S D7 D8 D9 D10 SOT-23 110-D0000018-0A SMD/DIP...
  • Page 68 DPD-7800N Mainboard 1602C Component List Item Parts No. NAME & TYPE LOCA.NO. Remarks BASIC INFO. 102-0TPA0212-00 TPA0212 TI SMD 102-00WM8714-0 WM8714 HY57V641620HG 102-HY57V641-00 (SDRAM-1MX16×4) 102-00024C16-00 24C16 MT1379AE(C 版本 102-MT1379AE-0 Edition) 102-0MT1336E-00 MT1336E 102-00004558-00 4558 100-MALAYSIA-00 MALAYSIA29LV800 102-00MP1410-00 MP1410 U19 U20...
  • Page 69 DPD-7800N Mainboard 1602C Component List NAME & TYPE BASIC Item Parts No. LOCA. NO. Remarks INFO. OTHERS DC power input jack 187-000DC014-10 DC-014 170-BSK42D01-0 Dicrotisc switch SK-42D01-EG3 180-0012506A-01 SMT joint piece 6P (1.25 spacing) 180-0012502A-01 SMT joint piece 2P (1.25...
  • Page 70 DPD-7800N Driver board 1681C Component List NAME & TYPE Item Parts No. LOCA. NO. Remarks BASIC INFO. RESISTOR 131-A00000JT-00 0603-0Ω 2R5 2R6 2R7 131-A00010JT-00 0603-10Ω 131-A01010JT-00 0603-100Ω R2 R13 R61 131-A01015JT-00 0603-150Ω 131-A01056JT-00 0606-560Ω 131-A02010JT-00 0603-1K R14 R20 R101 131-A02022JT-00 0603-2.2K...
  • Page 71 DPD-7800N Drvier board 1681C Component List NAME & TYPE Item Parts No. LOCA. NO. Remarks BASIC INFO. POTENTIOMETER 133-VR310000-0 VR-10K 133-VR350000-0 VR-50K SMT CAPACITOR 141-C0AC80PH- 0603-8P KT00 141-C0A010PH-K 0603-10P 141-C0A015PH-K 0603-15P C100 141-C0A020PH-K 0603-20P C76 C106 141-C0A039PH-K 0603-39P 141-C0A056PH-K 0606-56P...
  • Page 72 DPD-7800N Driver board 1681C Component List NAME & TYPE Item Parts No. LOCA. NO. Remarks BASIC INFO. SMT POTTERY CAPACITOR 141-C0BC10UD-K 0805-1uF/10V 141-C0BC22UE-K 0805-2.2uF/16 C14 C15 C19 C32 C75 141-C0CC47UE-K 1206-4.7uF/16V C33 C31 141-C0C010UE-K C74 C16 C25 C51 C67 1206-10uF/16V...
  • Page 73 DPD-7800N Driver board 1681C Component List NAME & TYPE Item Parts No. LOCA. NO. Remarks BASIC INFO. SUPER-MINI OSCILLATOR 217-00357903-21 3.579MHz 217-00433303-21 4.433MHz 217-00400003-21 4.0MHz INDUCTANCE 151-0C0C15J1-T0 1206-1.5uH L1 L2 L3 L4 L6 151-0C0010J1-T0 1206-10uH L7 L9 L10 L11 L12...
  • Page 74 DPD-7800N Inverter board (1568C－1) Component List (BIT3105) NAME & TYPE Item Parts No. LOCA.NO. Remarks BASIC INFO. RESISTOR 131-A00047JT-000 0603－47Ω R20 R21 131-A01010JT-000 0603－220Ω 131-A01047JT-000 0603－470Ω 131-A02082JT-000 0603－820Ω 131-A02020JT-000 0603－2KΩ 131-A03022JT-000 0603－22KΩ R16 R17 131-A03033JT-000 0603－33KΩ 131-A03047JT-000 0603—47KΩ 131-A03051JT-000 0603－51KΩ...
  • Page 75 DPD-7800N Inverter board (1568C－1) Component List (BIT3105) NAME & TYPE Item Parts No. LOCA. NO. Remarks BASIC INFO. CAPACITOR 141-C0A122PH-K 0603-220PF 141-C0A147PH-J Frenquency ≤±5% 0603-390PF 48KHZ 141-C0A310PH-K 0603-103 141-C0A310PH-J ≤±5% 0603-103 141-C0A322PH-K 0603-223 C20 C21 141-C0A410PH-K 0603-104 141-C0A422PH-K 0603-224 141-C0A510PH-K...
  • Page 76 DPD-7800N Inverter board (1568C－1) Component List (BIT3105) NAME & TYPE Item Parts No. LOCA. NO. Remarks BASIC INFO. AUDION DIODE 111-B00BAV99-0T BAV99 D1 D2 121-002N3904-T0 2N3904 REGULATOR 111-DUDZC056-0 Regulator UDZS5.6V D3 D4 D5 MOS TUBEM 121-00AP9930-T6 AP9930 MAGNETIC BEAD 152-0C011001-T0 1206－100Ω...
  • Page 77 DPD-7800N Inverter 1568C－1 Special Component List TYPE BASIC Item NAME INFO. Transformer UI8007S－2 Fuse CCP2E63 CCP2E63 Regulator UDZS5.6V...
  • Page 78 DPD-7800N Battery charging board1697C Component List NAME & TYPE Item Parts No. LOCA. NO. Remarks BASIC INFO. RESISTOR 131-C0B015JT-0 1206-0.15Ω R16 R17 R17A 131-B00010JT-0 0805-10Ω 131-B00015JT-0 0805-15Ω 131-B01020JT-0 0805-200Ω R6 R15 131-B01039JT-0 0805-390Ω 131-B01051JT-0 0805-510Ω 131-B02010JT-0 R1 R2 R3 R4 R12 R23 0805-1KΩ...
  • Page 79 DPD-7800N Battery Charging board 1697C Component List NAME & TYPE BASIC Item Parts No. LOCA. NO. Remarks INFO. SMT AUDION 121-002SJ461-T 2SJ461 121-02SC1623- 2SC1623 T000 INDUCTANCE 154-DMLC1301- MLC13-010 Round 0000 102-8232ALFT-0 S-8232ALFT 102-00SI4435-0 AP4435M IC5 IC6 102-00SI9926-0 AP9926M 105-000KA358-0 KA358...

Table of Contents