Akai-DDV-805-Service-Manual(1) 电路图 维修手册.pdf

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1、Car Multimedia Centre DDV?805 RadioFans.CN 收音机爱 好者资料库 2 CONTENTS Page Disassembly Instructions.3 Disassembly Diagram.4 Disassembly Instructions?TV7020?.5 Disassembly Diagram?TV7020?.6 Operation Check.7 Block Diagram .8 Alignment Locations .9 Alignment Procedures .10 Printed Circuit Board. 11 Explode

2、d View (Display).31 Exploded View Part List (Display).32 Exploded View (Unit).34 Exploded View Parts List (Unit).35 Exploded View (TV7021).37 Exploded View Part List (TV7021).38 Exploded View (Deck) .39 Exploded View Part List (Deck).40 Schematic Diagram .42 Electrical Parts List.54 Specifications.7

3、4 RadioFans.CN 收音机爱 好者资料库 3 DISASSEMBLY INSTRUCTIONS (UNIT) 1?Using the unlock key that came with the unit or a similar tool, unlock the Mounting Box and remove toward the rear of the unit. 2?Take out the Ring and remove two screws (A) from each side of the base then remove the Base. 3?Remove two sc

4、rews (B) located on the Main Board left side of the side bracket. Remove two screws (C) located on the Main Board Right side of the side bracket. 4?Remove two screws (F) located on the under of the deck front Bracket. Remove two screws (G) located on the front of the deck front bracket then remove t

5、he Deck Bottom Bracket. 5?Remove two screw (H) and the Wire Clip. 6?Remove the screws (I) from on the Rear of the under side bracket then remove heat sink. Remove the screws (J) from on the Rear of the top side bracket then remove heat sink. 7?Remove two screws (K) from on the back of the Rear-right

6、 Cabinet then remove the DC FAN 12V and The Fan Cover. RadioFans.CN 收音机爱 好者资料库 4 DISASSEMBLY DIAGRAM (UNIT) 5 DISASSEMBLY INSTRUCTIONS (TV7020) 1. Remove two screws (A) from each of the Top Cover then remove the Top Cover. 2. Remove four screws (B) from on the main board then remove the Bottom Cover

7、 and Main Board. 6 DISASSEMBLY DIAGRAM (TV7020) 7 OPERATION CHECK GENERAL SPECIFICATIONS OF SIGNAL Standard frequency Signal output Modulation FM MW FM MW MW FM Stereo 98.1 MHz (87.5, 108.0 MHz) 1000 kHz (522, 1620 kHz) 1 mV 5 mV 400 Hz 30% MOD. 1 kHz 75 kHz DEV. 46% for L only or R only pilot level

8、 8%. AF output level FM/MW Power source voltage DC 14.4V (Backup voltage is the same as this) AF load impedance 4 ohm pure resistance Balance Center position of level Tone Center position. The signal strength read in this section is voltage on the antenna. Test Diagram 4-SPEAKER VTVM DISTORTION METE

9、R 2-SPEAKER FRONT SPK. SPK. FL. RL. SPR. MAIN UNIT AM SG VTVM ANTANNA DUMMY FM SG MODULATOR STEREOS MPX ANT FRONT SPK. SPE. FR. RR. 4-SPEAKER SPK. 2-SPEAKER POWER ANTANNA ACC (DV14.4V) GROUND BACK UP (14.4V) 8 BLOCK DIAGRAM (UNIT) 9 ALIGNMENT LOCATIONS MITSUMI TUNER 10 ALIGNMENT PROCEDURES FM ADJUST

10、MENT Equipment Required ? ? AM IF/RF signal generator ? ? Solid-state voltmeter (SSVM) ? ? Regulated DC power supply ? ? 2-CH voltmeter ? ? Distortion meter FM Alignment Using FM Signal Generator Note: Press the radio power switch to on the radio. Signal generator output must be kept as low as possi

11、ble to avoid overload and clipping. StepGenerator Coupling GeneratorDisplay Setting AdjustmentRemarks Stereo Separation Signal Generator to antenna receptacle 98.1 MHz Int. 1 kHz Dev. 75 kHz L+R = 90 % pilot = 10 % 98.1 MHz VR3 Adjust AF output power at maximum separating more than 30 dB FM SNC Adju

12、stment 98.1 MHz Dev. 75 kHz L+R=90 % Int. 1 kHz 60dBV output 98.1 MHz 40 dB 98.1 MHz VR2 Stereo Separation 25 dB (5 dB) 98.1 MHz Mod. 1kHz Dev 75kHz 98.1 MHzVR4 Stop SENS. Signal Generator to antenna receptacle 1000 kHz Mod. 1kHz Mod 30% 1000 kHz VR1 Adjust AF to stop station. Note: The tuner module

13、 is well-adjust and adjustment is not recommended. 11 PRINTED CIRCUIT BOARDS MAIN BOARD TOP VIEW 12 MAIN BOARD BOTTOM VIEW 13 KEY BOARD TOP VIEW 14 KEY BOARD BOTTOM VIEW 15 MOTOR CONTROL BOARD TOP VIEW 16 MOTOR CONTROL BOARD BOTTOM VIEW 17 REMOTE BOARD TOP VIEW 18 REMOTE BOARD BOTTOM VIEW 19 LCD BOA

14、RD TOP VIEW 20 LCD BOARD BOTTOM VIEW 21 SWITCH BOARD TOP VIEW 22 SWITCH BOARD BOTTOM VIEW 23 SERVO BOARD TOP VIEW 24 SERVO BOARD BOTTOM VIEW 25 RADIO BOARD TOP VIEW 26 RADIO BOARD BOTTOM VIEW 27 TV BOARD TOP VIEW 28 TV BOARD BOTTOM VIEW 29 DISPLAY BOARD TOP VIEW 30 DISPLAY BOARD BOTTOM VIEW 31 EXPLO

15、DED VIEW DISPLAY 32 EXPLODED VIEW PARTS LIST DISPLAY Ref. No.Description RS Part No. Mfrs Part No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 DVD TOP COVER (S.N0000)DVD N/SD ROHS LENS(N0000)ROHS TFT TOUCH SIMULATE TD-746A BEITAI ROH

16、S TFT SHEET (CLEAR THK0.3MM) ROHS DRIVER BOARD MONITOR BOTTOM ROHS MONITOR REAR COVER W/O SD (N0000) ROHS INNO AT070TN07V.A 7 TFT LED BACKLIGHT ROHS PCB LCD D/S LOC-MO/ST KEY (N0000) ROHS BAND/AS/PS KEY (N0000) ROHS DVD7020 LCD FSTN POS PLK/WHT F80012TT-P ROHS BLUE LED BKLGHT WHITE BODY PCB KB SET/S

17、RC KNOB (N0000) ROHS -/+ KNOB (N0000) ROHS ROTATE GEAR 9(GR) ROHS FLAT PIN PRESS ROHS ROTATE SUPPORT COVER 0.5MM ROHS GUIDE PRESS ROHS ROTATE SUPPORT ROHS MOVE MOTOR BKT ROHS MOTOR FF-050SH-12150 ROHS SIDE WORM ROHS SLIDE WORM WHEEL/SLIDE GEAR 1 ROHS ROTATE WORM SHAFT STAINLESS STEEL ROHS ROTATE GEA

18、R 2 ROHS SLIDE WORM SHAFT STAINLESS STEEL ROHS ROTATE GEAR 4 ROHS ROTATE GEAR 3 ROHS SLIDE GEAR SHAFT ROHS (O) RING 2.6X4.6X0.4 ROHS ROTATE GEAR BKT ROHS ARITHMOMENTER GEAR ROHS ARITHMOMETER SHAFT ROHS PCB Board ROTATE GEAR 8(GR) ROHS ROTATE GEAR 7(GR) ROHS ROTATE GEAR 6(GR) ROHS LEFT SLIDE LOCK ROH

19、S 5100-702032-31W 5300-702035-300 2710-702060-720B 4300-036902-000 1121-702021-5434 6100-702003-000 5110-702023-300 2700-003690-13 1121-702021-303 5200-702032-320 5200-702031-310 2710-702030-010Y 0200-036901-06 1121-702031-3231 5200-702033-310 5200-702034-310 3400-036914-010 5200-036962-00 3900-0369

20、03-000 3900-036912-002 3900-036902-004 3900-036904-000 9700-012150-00 5200-036947-000 5200-036948-000 3400-036904-01 5200-036957-000 3400-036902-01 3400-036918-00 5200-036958-000 3400-036903-01 3500-036906-00 3900-036907-000 5200-036960-000 3400-036915-00 1121-702021-453 3400-036913-00 3400-036912-0

21、0 3400-036911-00 3900-036908-002 33 Ref. No.Description RS Part No. Mfrs Part No. 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 LOCK SPRING ROHS RIGHT SLIDE LOCK ROHS ROTATE SWITCH BKT ROHS PCB Board ROTATE SWITCH SPRING RO

22、HS ROTATE LEVER ROHS E- RING ROHS WASHER ROHS LEFT/RIGHT ROTATE SPRING ROHS BASH ROHS ROTATE(L/R) SHAFT ROHS ROTATE SCREW ROHS MONITOR SPRING ROHS SYNCHRON SHAFT ROHS SLIDE GEAR 7 ROHS LEFT SUPPORT ROHS RIGHT SUPPORT ROHS Motor PCB Board PCB Board ROTATE MOTOR BKT ROHS ROTATE WORM ROHS ROTATE WORM W

23、HEEL/ROTATE GEAR 1 ROHS SLIDE GEAR 6 ROHS SLIDE GEAR 2 ROHS SLIDE GEAR 5 ROHS SLIDE GEAR 3 ROHS SPRING ROHS WASHER 2.1X8.9X0.4 ROHS SLIDE GEAR 4 ROHS MOVE GEAR BKT ROHS MOVE SUPPORT ROHS ROTATE GEAR 3 ROHS DAMP WHEEL ROHS ROTATE GEAR SHAFT ROHS SCREM ?2.0X2.0 BH/MS ROHS SCREW ?2X3 CH/MS BLACK ROHS S

24、CREW PH/MS ROHS SCREW ?2.6X4 BH/MS ROHS SCREW M2.0X5.0 BH/MS ROHS SCREW ?2X6 BH/MS ROHS SCREW ?2.0X4.0 BH/MS ROHS 3600-036907-01 3900-036909-002 3900-036911-002 1121-702021-453 3600-036908-000 5200-036943-00 3500-0A1520-00 3500-036904-00 3610-036901-00 3400-036908-00 3400-036907-00 4000-018701-00 36

25、10-036906-000 3400-036901-000 3400-036917-00 5200-036941-00 5200-036940-00 1121-702031-423 1121-702021-453 3900-036906-003 5200-036955-000 5200-036956-000 5200-036953-000 5200-036949-000 5200-036952-000 5200-036950-000 3600-018701-00 3500-036907-00 5200-036951-000 3900-036905-003 3900-036901-000 340

26、0-036919-00 5200-036944-000 3400-036905-00 4000-062002-01 4000-012003-09H 4000-002003-00 4000-002604-01 4000-062005-01 4000-002006-01 4000-062004-01 34 EXPLODED VIEW UNIT 35 EXPLODED VIEW PARTS LIST UNIT Ref. No.Description RS Part No. Mfrs Part No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

27、 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 Display RING (N0000) ROHS DVD BASE DVD7020 N (S.N0000/WHITE)N/BT ROHS DVD-THIN MECH DV-SC03-60(HPD-60)MECHALEADER ROHS TOP CABINET W/SPRING, WAY FOR TV/GPS 1.0MM ROHS MAIN PCB PET SHEET ROHS MAIN BOARD CABINET BOTTOM ASS ROHS HEAT SINK FOR TV

28、/GPS ROHS MOUN TING BOX ROHS RESET KNOB (S.N0000) ROHS SPRING WASHER M5 ROHS JOG STICK KNOB?S.N0000 ROHS DECORATION RING?S.N0000?ROHS DECORATION RING BL ROHS M5 BACK MOUNTING SCREW L=12MM ROHS EJECT KEY (N0000) ROHS MUT KNOB (L-UP)(N0000) ROHS S KEY (N0000) ROHS MENU KEY (N0000) ROHS OPEN/CLOSE KEY

29、(S.N0000) ROHS STOP SLEEVE ROHS DC FAN DCV 12V SIZE=40X40X10MM WIRE 65MM ROHS POWER/BACK KEY (N0000) ROHS REMOTE LENS (RED) ROHS FAN COVER ROHS SHADE (BLACK) ROHS CD WINDOOW SHADE (CLEAR THK0.5MM) ROHS KEY PCB Board DECK BKT 0.8MM FOR SR3 ROHS AM BOARD MITSUMI TUNER FAE376-A12(H-TYPE) ROHS TUNE-PCB

30、BKT1 ROHS TUNE-PCB BKT2 ROHS POWER WIRE CLIP ROHS RIGHT RACK ROHS LEFT RACK ROHS SCREW ?2X14 BH/MS ROHS SCREW ?2X5 BH/ST BLACK ROHS 5100-702022-300 5100-702031-32W 9410-C03600-000 6110-702001-005 4300-702001-000 1121-702036-0234 6100-702002-000 6110-702005-000 6100-300005-000 5200-702064-300 3500-05

31、0001-00 5200-702022-300 5200-702023-300 5200-702026-000 3400-014461-001 5200-702029-310 5200-702025-310 5200-702025-320 5200-702025-330 5200-702028-310 3900-036931-000 4900-004010-50 5200-702030-310 5300-702036-50R 3900-0D2109-000 8100-036901-000 4300-036901-000 1121-702031-3231 6100-702010-000 1121

32、-702031-123 2900-000376-02 3900-036913-000 3910-036914-000 3900-702001-000 5200-036945-000 5200-036946-000 4000-002014-01 4000-012005-06 36 Ref. No.Description RS Part No. Mfrs Part No. 40 41 42 43 44 45 SCREW M1.7X4 KH/ST ROHS SCREW ?2X3 CH/MS BLACK ROHS SCREW ?2.6X6 BH/MS ROHS SCREW ?2.6X4 KH/MS R

33、OHS SCREW ?2.6X4 BH/MS ROHS SCREW ?2.6X14 BH/MS ROHS 4000-001704-21 4000-012003-09H 4000-002606-01 4000-002604-02 4000-002604-01 4000-002614-01 37 EXPLODED VIEW TV7021 38 EXPLODED VIEW PARTS LIST TV7021 Ref. No. Description RS Part No. Mfrs Part No. 1 2 3 4 5 TOP COVER A005 FOR DVD7020 (S.BLACK/WHIT

34、E) ROHS BOTTOM COVER (S.BLACK) ROHS PCB D/S TV1872 SECAM BOX MB 142941.2MM TV TUNER TDQ-3EV8 BG/71/F/708 XINFA ROHS SCREW ?2.6X4 PH/MS BLACK ROHS 3910-A00402-31W 3900-A00401-300 1121-702031-923 2900-007020-381X 4000-002604-20 39 EXPLODED VIEW (DECK) 40 EXPLODED VIEW PARTS LIST (DECK) Ref. No. Descri

35、ption Parts No. Qty 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 SENSOR SENSOR PCB SCREW COVER-UPPER LEVER DISC GUIDE UP BUSHING ROLLER ROLLER DISC SHAFT ROLLER PIN ROLLER PVC CAP B/K ROLLER PIN PULLEY PIN IDLE GEAR IDLE GEAR PULLEY BELT

36、 PULLEY GEAR ROLLEY LOCKER (L) CAM (L) S/P CAM (L) S/P RACK CAM (R) LOCKER GEAR RACK GEAR LOAD GEAR LOAD (D) GEAR LOAD (B) GEAR LOAD (A) PIN LOAD B/K GEAR MOTOR GEAR WORM SERVO PCB ASSY SPECIAL SCREW S/P RO (L) SUPPORT DAMPER S/P RO CHASSIS MAIN ST-23G FR CA/H 0” TT 2*3 SECC T1.0 POM (F20-03) POM (F

37、20-03) POM (F20-03) SLICON SUS 303 SUM24L-NI (PLATE) PVC SECC T1.0 SUM24L-NI (PLATE) SUM24L-NI (PLATE) POM (F20-03) POM (F20-03) CR-WRT POM (F20-03) POM (F20-03) POM (F20-03) SUS304WPB SUS304WPB POM (F20-03) POM (F20-03) POM (F20-03) POM (F20-03) POM (F20-03) POM (F20-03) POM (F20-03) SUM24L-NI (PLA

38、TE) SECC T1.0 FF-N30VA-09210 POM (F20-03) GLASS EPOXY 1.2T P/H TTS 2*2 SUS304WPB POM (F20-03) SUS304WPB SEEC T1.0 2 1 12 1 1 1 2 2 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 4 1 1 1 1 4 1 3 1 1 41 EXPLODED VIEW PARTS LIST - CONTINUED (DECK) Ref. No. Description Parts No. Qty 40 41 42 43 44 45 46 47 4

39、8 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 CLAMP DISC HOLD CLAMPER S/P CLAMPER TURN TABLE BASE PU PIN SIDE (A) SCREW PIN SIDE (B) DAMPER S/P BASE MOTOR GEAR PU (B) GEAR PU (A) SCREW MOTOR HOUSING GEAR SHAFT PU SCREW 4P CONT WIRE SPRING TENSION GEAR PU LEAD SCREW SWITCH SCREW PICK UP FPC WIRE SPRING PU FIBER PAPER S/P CAM