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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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DMD170
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Summary of Contents for Prology DMD170
- Page 1 Car Audio DMD170 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 Components General Power supply: Mounting collar 12V DC(11V-16V) Test voltage 14.4V, negative ground Machine screws M5x6mm Maximum power output: 45Wx4 channels Mounting bolt (50mm) Continuous power output: 20Wx4 channels (4 ,10% T.H.D.) Wire connector Ω Suitable speaker impedance: 4-8 ohm Removable face plate case 4.0V ( CD play mode: 1KHz, 0 dB, 10 K load )
- 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 Antenna Fuse 15A Video-out Yellow Connector Subwoofer out Green Ampl ifier R(Red) R(Red) Rear Line-out (Gray) Aux-in L(White) L(White) R(Red) Front Line-out(Brown) L(White) Filter 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 th e memory of the Yellow...
- Page 7 CONTROLS Power ON/OFF : Press to turn the unit on . Long press to turn the unit off. Disc slot: insert disc Press to listen to a preset station for playback here. Hold for more than 2 seconds to store station Radio Tune To fast search within Remote Sensor...
- Page 8 REMOTE CONTROLS Power On/Off : Press to turn on/off the unit. Subtitle(DVD only) Zoom( DVD/VCD only) Radio Titl e(DVD only) Aux-in Power on/off TITLE ZOOM Disc Play (when disc inserted) Setup REPEAT: Title\chapter\disk\track\index SETUP SUB.T REPEAT A-B repeat Menu cursor ENTER Enter Stop / Return...
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Page 9: Volume
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 from metal side. Remove 1 pcs screw from metal side. Loosen 8 pcs screw to remove heatsink & Top Cover &...
- Page 11 DISMANTLING INSTRUCTIONS Service PositionA 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: Key Board
LCD PIN CONNECTION KEY BOARD TABLE OF CONTENTS LCD Display............5-1 Key Board Circuit Diagram........5-2 Key Board Layout Diagram........5-3 Elect rical Parts List..........5-4 PIN SEGMENT DISPLAY... -
Page 15: Key Board Circuit Diagram
KEY BOARD - CIRCUIT DIAGRAM... -
Page 16: Key Board Layout Diagram
KEY BOARD - LAYOUT DIAGRAM TOP VIEW KEY BOARD - LAYOUT DIAGRAM BOTTOM VIEW... -
Page 17: Elect Rical Parts List
ELECTRICAL PARTS LIST - KEY BOARD Loc ation Part N O. Desc ription DVD125E GREE N KB S MT As sm 83802 DVD1 25EKB 010 14301 00001 80 PCB,KB,C M125, FR4,1 .2mm, 165.0X42.0mm IC,S C7582 3E,QF P-64- 14X14 -0.8,S L IC1 01 14240 00003 38 TAC T SW,KPS-1107YB -130... -
Page 18: Servo Board
SERVO BOARD TABLE OF CONTENTS Circuit Diagram............6-2 to 6-4 PCB Layout ................6-5 Electrical Parts List ..............6-6... - Page 19 SERVO BOARD - CIRCUIT DIAGRAM...
- Page 20 SERVO BOARD - CIRCUIT DIAGRAM...
- Page 21 SERVO BOARD - CIRCUIT DIAGRAM...
- Page 22 SERVO BOARD - LAYOUT DIAGRAM SERVO BOARD - LAYOUT DIAGRAM TOP VIEW BOTTOM VIEW...
- Page 23 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 24: 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 25: Circuit Diagram
CIRCUIT DIAGRAM... -
Page 26: Pcb Layout Top View
PCB LAYOUT TOP VIEW... -
Page 27: Pcb Layout Bottom View
PCB LAYOUT BOTTOM VIEW... -
Page 28: Electrical Parts List
ELECTRICAL PARTS LIST - MAIN BOARD Description Location Part N O. Loca tion Part N O. QT Y D escrip tion 83802 DVD1 22EMB021 4 X4V E SP FM /OIRT 4VCU B AUXIN MB SMT Assm 12180 30102 01 CAP,2 00pF, ±... - Page 29 ELECTRICAL PARTS LIST - MAIN BOARD Description Q TY Loca tion QTY Lo cation Part N O. Part N O. D escrip tion 11385 00000 13 ∮ 0.5m m,16.5 mm JM P50,JMP78 12 18300 00225 E.CAP,2.2 F, μ ± 20%,4X5,50 V,105 ℃...
- Page 30 EXPLODED VIEW - MAIN UNIT...
- Page 31 MECHANICAL PARTS LIST I tem Assembly Part NO Desc ription QT Y Item Assembly Part NO Desc ription QT Y 838 03DVD125E KB01 0 PAN EL AS SEMB LY 141 238000489 DV D125, KNOB -AMS, PC,BL ACK CM V100, RIM,A BS(BL ACK) DV D125, KNOB -FF,PC,BLA CK 141 29800 0034 141 238000493...
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