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Car Audio
TABLE OF CONTENTS
Technical Specificatio ns ............. .................. .................. ...1-2
Measurem ent setup . .................. .................. ..
Service A ids, Safety I nstruction, et c .......
Preparati ons & Contro ls .............. .........
Maintena nce & Troub leshooting .. ...............
Disassem bly Instructi ons & Servic e positions . ....
Set Block diagram .... .................. ................
Set Wirin g diagram ... .................. .......
Key Board ................ ..........................
Servo Board ............. ...........................
Main Boa rd .............. .................. .........
Set Mech anical Explo ded view & p arts list ....
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DVD520
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- Page 1 Car Audio DVD520 TABLE OF CONTENTS Page Technical Specificatio ns ............1-2 Measurem ent setup ............1-3 Service A ids, Safety I nstruction, et c ......1-4 to 1-5 Preparati ons & Contro ls .......
- Page 2 SPECIFICATIONS General Components Mounting collar Power supply: 12V DC(11V-16V) Tapping screws M5x6 mm Test voltage 14.4V, negative ground M4x6 mm Maximum power output: 55Wx4 channels Mounting bolt (50 mm) Continuous power output: 25Wx4 channels (4 10% T.H.D.) Ω Wire connector Suitable speaker impedance: 4-8 ohm Removable face plate case...
- Page 3 MEASUREMENT SETUP Tuner FM Band pass LF Voltmeter 250Hz-15kHz e.g. PM2534 e.g. 7122 707 4 8001 RF G enerator e.g. PM5 326 S/N and distortion meter e.g . Sound Tech nology ST1700B U se a bandpass filter to el iminate hum(50Hz,100Hz) and disturbance from the pilottone( 19kHz,38kH z). Tuner AM (MW,LW ) Bandpass LF Voltmeter...
- Page 4 HANDLING CHIP COMPONENTS GENERAL DISMOUNTING MOUNTING e.g. A PAIR OF TWEEZERS VACUUM PISTON 4822 395 10082 SOLDERING IRON e.g.WELLER Solder tip PT-H7 SLODER Φ0.5-0.8mm SOLDERING SLODERING PRESSURE IRON IRON SOLDER WICK 4822 321 40042 SLODERING TIME SOLDER e.g. A PAIR OF TWEEZERS <...
- Page 5 WAARSCHU WING WARNING Alle IC's en vele andere halfgeleiders zijn All ICs and many other semi-conductors are gevoelig voor electrostatische ontladingen susceptible to electrostatic discharges (ESD). (ESD). Careless handling during repair can reduce life Onzorgvuldig behandelen tijdens reparatie kan drastically. de levensduur drastisch doen verminderen.
- Page 6 PREPARATIONS Wiring Diagram Subwoofer out (Green) Aux-in(Black) R(Red) L(White) Video-out Antenna Yellow Fuse 15A Connector Amplif ier R(Red) Rear Line-out (Gray) L(White) R(Red) Front Line-out (Brown) L(White) Fil t er Box For some VW/Audi or Opel(Vauxhall) ISO Connector car models, you may need to modify wiring of the supplied power cord as illustrated, or else the memory of the Yellow...
- Page 7 CONTROLS Power on/off : Press PWR to turn on/off the unit. Traffic Announcements Program Type Press more than 2 seconds to enter LOCAL mode. Press to tune in a preset statio n Hold for Press more than 2 seconds Remote sensor more than 2 seconds to store station.
- Page 8 REMOTE CONTROLS Power On : Press button to turn on/off the unit. Subtitle(DVD only) Zoom(V CD/DVD only) Radio Title(D VD only) Aux-in Power on/off TITLE ZOOM Disc Play (when disc inserted) DVD Setup REPEAT: Title\chapter\disk\track\index SETU P SUB.T REPEAT A-B repeatedly Menu cursor ENTER Enter...
- Page 9 MAINTENANCE AND TROUBLESHOOTING Maintenance Clea ring d isc When a dis c beco mes d irty cle an it with a c leanin g cloth . Wipe the di sc from the c enter out. Clea ning t he dis c lens After prolon ged u se, dir t or du st may accum ulate at the lens.
- Page 10 DISMANTLING INSTRUCTIONS 4 Remove CD loader emove top and bottom covers. 1 Pull out the short sheet from main set. Remove 2 pcs screw on the top of loader. Loosen 8 screws to remove heatsink & top cover & bottom cover.
- Page 11 2 -2 DISMANTLING INSTRUCTIONS Service Position A Service Position C Service Position D Service Position B...
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Page 12: Lcd Display
SET BLOCK DIAGRAM D 5V DVD-R AM /FMOUT KST-6102 LCD Displ ay T DA7479 SINGLE CHIP RDS DEMODULATOR+FILTER PC 7/SS K IN 0-1 C H ICK-SW 1MX16X4BANK E JEC T-SW L OAD-SW LCD Data (TSOP1154PIN) SDRAM DVD-R LCD Cl ock D V D-CLK XI R LCD Driver... -
Page 13: Set Wirin G Diagram
SET WIRING DIAGRAM... -
Page 14: Table Of Contents
LCD PIN CONNECTION KEY BOARD TABLE OF CONTENTS LCD Display............5-1 Front board............5-2 connector board............5-2 Key Board Circuit Diagram........5-3 Key Board Layout Diagram........5-4 Elect rical Parts List..........5-5... -
Page 15: Front Board
FRONT BOARD - CIRCUIT DIAGRAM CONNECTOR BOARD - CIRCUIT DIAGRAM FRONT BOARD - LAYOUT DIAGRAM CONNECTOR BOARD - LAYOUT DIAGRAM... -
Page 16: Key Board Circuit Diagram
KEY BOARD - CIRCUIT DIAGRAM... -
Page 17: Key Board Layout Diagram
KEY BOARD - LAYOUT DIAGRAM TOP VIEW KEY BOARD - LAYOUT DIAGRAM BOTTOM VIEW... -
Page 18: Elect Rical Parts List
ELECTRICAL PARTS LIST - KEY BOARD ELECTRICAL PARTS LIST - KEY BOARD GREEN LIGHT RED LIGHT Loca tion Loca tion Part N O. Description Q TY Part N O. D escrip tion Q TY 84-DV D705R S-KB 00-A 83802 DVD7 05EKB 013 DVD70 5RS-5 8A D VD70 5E RED KB S MT As sm 82-CM 705-KB02-C... -
Page 19: Servo Board
SERVO BOARD TABLE OF CONTENTS Circuit Diagram............6-2 to 6-4 PCB Layout ................6-5 Electrical Parts List ..............6-6... - Page 20 SERVO BOARD - CIRCUIT DIAGRAM...
- Page 21 SERVO BOARD - CIRCUIT DIAGRAM...
- Page 22 SERVO BOARD - CIRCUIT DIAGRAM...
- Page 23 SERVO BOARD - LAYOUT DIAGRAM SERVO BOARD - LAYOUT DIAGRAM TOP VIEW BOTTOM VIEW...
- Page 24 ELECTRICAL PARTS LIST - SERVO BOARD Lo cation QT Y Part N O. Description Loca tion Par t NO. D escrip tion 83802 DVD7 05ESB 051 121 80300 0683 DVD705E DIVX (DVD705E-58A) SB SMT Assm C AP,0.068 F, 10% ,50V,X7R,0 603 μ...
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Page 25: Main Board
MAIN BOARD TABLE OF CONTENTS Circuit Diagram ..............7-2 PCB Layout Top View ............7-3 PCB Layout Bottom V iew ..........7-4 Electrical Parts List ........7-5 to 7-6... -
Page 26: Circuit Diagram
CIRCUIT DIAGRAM... -
Page 27: Pcb Layout Top View
PCB LAYOUT TOP VIEW... -
Page 28: Pcb Layout Bottom View
PCB LAYOUT BOTTOM VIEW... -
Page 29: Electrical Parts List
ELECTRICAL PARTS LIST - MAIN BOARD L ocatio n Loca tion Part N O. QT Y Part NO. Part NO. Q TY Desc ription Des criptio n RCF,10 , 5%,1/8W RE S,10K , 5% ,1/16 W,060 3 12164 00001 00 Ω... - Page 30 ELECTRICAL PARTS LIST - MAIN BOARD L ocatio n Part N O. Desc ription QT Y 12184 20201 08 E.CAP,100 0 F, 20%,8X16,1 0V,105 μ ± ℃ C 541 12184 20303 38 E.CAP,330 0 F, 20%,12.5X2 5,16V,85 C 827 μ ± °...
- Page 31 EXPLODED VIEW - MAIN UNIT...
- Page 32 MECHANICAL PARTS LIST(BLACK PANEL, GREEN LIGHT) I tem Assembly Part N O Desc ription QT Y I tem Assembly Part N O Desc ription QT Y 84-D VD70 5RS-K B00-A Fro nt-pa nel as s`y DV D705 13-0448-0 826-0 LE NS OF DVD 705 13-0 721-0 801-A 13-0148-0 821-0 PA NEL O F DVD 705...
- Page 33 MECHANICAL PARTS LIST(BLACK PANEL, RED LIGHT) I tem Assembly Part N O Desc ription QT Y I tem Assembly Part N O Desc ription QT Y 84-D VD70 5RS-K B02-A Fro nt-pa nel as s`y DV D705 13-0448-0 826-0 LE NS OF DVD 705 13-0 721-0 801-A 13-0148-0 821-0 PA NEL O F DVD 705...
- Page 34 MECHANICAL PARTS LIST(SILVER PANEL, GREEN LIGHT) I tem Assembly Part N O Desc ription QT Y I tem Assembly Part N O Desc ription QT Y 84-D VD70 5RS-K B01-A Fro nt-pa nel as s`y DV D705 13-0448-0 826-0 LE NS OF DVD 705 13-0 721-0 701-A 13-0148-0 721-0 PA NEL O F DVD 705RS 58C PROL OGY SILVE R...
- Page 35 MECHANICAL PARTS LIST(SILVER PANEL, RED LIGHT) I tem Assembly Part N O Desc ription QT Y I tem Assembly Part N O Desc ription QT Y 84-D VD70 5RS-K B03-A Fro nt-pa nel as s`y DV D705 13-0448-0 826-0 LE NS OF DVD 705 13-0 721-0 701-A 13-0148-0 721-0 PA NEL O F DVD 705RS 58C PROL OGY SILVE R...