Marantz-BD7004-cd-sm 电路图 维修手册.pdf

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1、Service ManualBLU-RAY DISC Player BD7004 /U1B BD7004 S0053-1V02DM/DG1004Copyright 2010 D when removing entire flat pack-IC, first apply soldering iron to center of the flat pack-IC and heat up. Then remove (glue will be melted). (Fig. S-1-6) 4.Release the flat pack-IC from the CBA using tweezers. (F

2、ig. S-1-6) CAUTION: 1.The Flat Pack-IC shape may differ by models. Use an appropriate hot-air flat pack-IC desoldering machine, whose shape matches that of the Flat Pack-IC. 2.Do not supply hot air to the chip parts around the flat pack-IC for over 6 seconds because damage to the chip parts may occu

3、r. Put masking tape around the flat pack-IC to protect other parts from damage. (Fig. S-1-2) Top View OutIn Bottom View Input 5 10 Pin 1 Pin 1 FFC Cable Connector CBA * Be careful to avoid a short circuit. Fig. S-1-1 10 3.The flat pack-IC on the CBA is affixed with glue, so be careful not to break o

4、r damage the foil of each pin or the solder lands under the IC when removing it. With Soldering Iron: 1.Using desoldering braid, remove the solder from all pins of the flat pack-IC. When you use solder flux which is applied to all pins of the flat pack-IC, you can remove it easily. (Fig. S-1-3) 2.Li

5、ft each lead of the flat pack-IC upward one by one, using a sharp pin or wire to which solder will not adhere (iron wire). When heating the pins, use a fine tip soldering iron or a hot air desoldering machine. (Fig. S-1-4) 3.Bottom of the flat pack-IC is fixed with glue to the CBA; when removing ent

6、ire flat pack-IC, first apply soldering iron to center of the flat pack-IC and heat up. Then remove (glue will be melted). (Fig. S-1-6) 4.Release the flat pack-IC from the CBA using tweezers. (Fig. S-1-6) Hot-air Flat Pack-IC Desoldering Machine CBA Flat Pack-IC Tweezers Masking Tape Fig. S-1-2 Flat

7、 Pack-IC Desoldering Braid Soldering Iron Fig. S-1-3 Fine Tip Soldering Iron Sharp Pin Fig. S-1-4 11 With Iron Wire: 1.Using desoldering braid, remove the solder from all pins of the flat pack-IC. When you use solder flux which is applied to all pins of the flat pack-IC, you can remove it easily. (F

8、ig. S-1-3) 2.Affix the wire to a workbench or solid mounting point, as shown in Fig. S-1-5. 3.While heating the pins using a fine tip soldering iron or hot air blower, pull up the wire as the solder melts so as to lift the IC leads from the CBA contact pads as shown in Fig. S-1-5. 4.Bottom of the fl

9、at pack-IC is fixed with glue to the CBA; when removing entire flat pack-IC, first apply soldering iron to center of the flat pack-IC and heat up. Then remove (glue will be melted). (Fig. S-1-6) 5.Release the flat pack-IC from the CBA using tweezers. (Fig. S-1-6) Note: When using a soldering iron, c

10、are must be taken to ensure that the flat pack-IC is not being held by glue. When the flat pack-IC is removed from the CBA, handle it gently because it may be damaged if force is applied. 2. Installation 1.Using desoldering braid, remove the solder from the foil of each pin of the flat pack-IC on th

11、e CBA so you can install a replacement flat pack-IC more easily. 2.The “” mark on the flat pack-IC indicates pin 1. (See Fig. S-1-7.) Be sure this mark matches the pin 1 on the PCB when positioning for installation. Then presolder the four corners of the flat pack-IC. (See Fig. S-1-8.) 3.Solder all

12、pins of the flat pack-IC. Be sure that none of the pins have solder bridges. To Solid Mounting Point Soldering Iron Iron Wire or Hot Air Blower Fig. S-1-5 Fine Tip Soldering Iron CBA Flat Pack-IC Tweezers Fig. S-1-6 Example : Pin 1 of the Flat Pack-IC is indicated by a mark. Fig. S-1-7 Presolder CBA

13、 Flat Pack-IC Fig. S-1-8 12 1-4-4BDN_SN Instructions for Handling Semi- conductors Electrostatic breakdown of the semi-conductors may occur due to a potential difference caused by electrostatic charge during unpacking or repair work. 1. Ground for Human Body Be sure to wear a grounding band (1 M) th

14、at is properly grounded to remove any static electricity that may be charged on the body. 2. Ground for Workbench Be sure to place a conductive sheet or copper plate with proper grounding (1 M) on the workbench or other surface, where the semi-conductors are to be placed. Because the static electric

15、ity charge on clothing will not escape through the body grounding band, be careful to avoid contacting semi-conductors with your clothing. CBA Grounding Band Conductive Sheet or Copper Plate 1M 1M CBA 13 7.CABINETDISASSEMBLYINSTRUCTIONS 1-5-1E5KB0DC CABINET DISASSEMBLY INSTRUCTIONS 1. Disassembly Fl

16、owchart This flowchart indicates the disassembly steps to gain access to item(s) to be serviced. When reassembling, follow the steps in reverse order. Bend, route, and dress the cables as they were originally. 2. Disassembly Method Note: (1) Identification (location) No. of parts in the figures (2)

17、Name of the part (3) Figure Number for reference (4) Identification of parts to be removed, unhooked, unlocked, released, unplugged, unclamped, or desoldered. P = Spring, L = Locking Tab, S = Screw, CN = Connector * = Unhook, Unlock, Release, Unplug, or Desolder e.g. 2(S-2) = two Screws (S-2), 2(L-2

18、) = two Locking Tabs (L-2) (5) Refer to “Reference Notes.” About tightening screws When tightening screws, tighten them with the following torque. ID/ Loc. No. Part Removal Fig. No. Remove/*Unhook/ Unlock/Release/ Unplug/Desolder Note 1Top CoverD1 9(S-1)- 2Tray PanelD2 -1 3 Front Assembly D2 *5(L-1)

19、, *3(L-2), 2(S-2), 3(S-3), 10(S-4), *CN2002 2 4 Front A CBA D2 *CN3001- 5 Front B CBA D2 - 6 Front Bracket D3 7(S-5), (S-6)- 7SD CBAD3 2(S-7), *CN5001- 8Rear PanelD4 5(S-8), (S-9), 2(S-10), (S-11), (S-12), 11(S-13), 2(S-14), 2(S-15), *CN1006 - 3 Front Assembly 1 Top Cover 2 Tray Panel 8 Rear Panel 1

20、3 Video CBA 14 AV PCB Bracket 16 Loader Bracket 9 Motor DC Fan 10 Inlet CBA 11 RS232C CBA 6 Front Bracket 15 BD Main CBA 2-5-8-0-CLEAR Release from Service Mode Press the POWER OFF button to turn off power. Screen saver/Auto Power Off in Service Mode These functions are not performed in Service Mode

21、. After entering, Fig. k appears on the screen and Fig. l appears on the VFD. Fig. k Service Mode (Main Menu) Fig. I Service Mode Available button in service mode Note:Press the number key to select items. Or, press the cursor button (up/down) to select items and press ENTER button. Buttoncondition

22、ENTEREnter the next level POWERTurn the power off (when the service mode is completed) 17Enter the selected item (next level) OTHERNot available INDICATIONDESCRIPTIONREMARK F/W NameModel NameE5K*D, etc. RegionBD region - DVD regionA-1, etc. Release Ver.Release versionD.jpp, etc. SERVICE MODE 1: MECH

23、A TEST 2: VFD/LED TEST 3: ERROR RATE MEASURE 4: LD TEST 5: CHANNEL TEST 6: SD CARD TEST 7: DEFAULT SETTING F/W Name :* Region :*-* Release Ver. :*.* ADSP1/2 Ver. :-/- PLD Ver. :- FPGA Ver. :- I/P Scaler Ver.:- * Firmware Version differs depending on the models, and this indication is one example. 23

24、 12.TRAYLOCKMODE 1-8-1E5KB0TL TRAY LOCK MODE Tray Lock Mode prevents the tray opening or closing to prevent disc theft in demo mode. Enter this mode using the following procedure. 1.Confirm that the TV Monitor is connected. 2.With playback stopped, press SETUP, TOP MENU, 3, AUDIO, 0 and SETUP button

25、s on the remote control unit in that order. Trade-On appears in the upper right corner on the screen, and Fig. a appears on the VFD for 2 seconds. Fig. a 3.To exit this mode, press SETUP, TOP MENU, 3, AUDIO, 0 and SETUP buttons on the remote control unit in that order. Trade-Off appears in the upper

26、 right corner on the screen, and Fig. b appears on the VFD for 2 seconds. Fig. b 24 13.TROUBLESHOOTING 1-9-1E5KB0TR TROUBLESHOOTING FLOW CHART NO.2 The fuse blows out. After servicing, replace the fuse. Check the presence that the primary component is leaking or shorted and service it if defective.

27、Check the presence that the rectifying diode or circuit is shorted in each rectifying circuit of secondary side, and service it if defective. FLOW CHART NO.3 When the output voltage fluctuates. Yes No FLOW CHART NO.4 When buzz sound can be heard in the vicinity of power circuit. Check if there is an

28、y short-circuit on the rectifying diode and the circuit in each rectifying circuit of the secondary side, and service it if defective. (D1025, D1028, D1030, D1031, D1032, D1033, IC1008, IC1009, IC1010, Q1009, Q1010, Q1011, Q1013, Q2636) Does the photo coupler circuit on the secondary side operate no

29、rmally? Check D1021, IC1002, IC1004 and their periphery, and service it if defective. Check D1029, IC1004 and their periphery, and service it if defective. FLOW CHART NO.5 FL is not outputted. Is 35V voltage supplied to the emitter of Q2602? Check D1032, C1033 and periphery circuit, and service it i

30、f defective. Check Q2601, Q2602, D2603 and their periphery, and service it if defective. Check FL-SW line and service it if defective. Is the L signal outputted to the collector of Q2603? Yes Yes YesNo No No FLOW CHART NO.1 The power cannot be turned on. Is the fuse normal? Is normal state restored

31、when once unplugged power cord is plugged again after several seconds? Is the EV+5V line voltage normal? See FLOW CHART No.2 Check if there is any leak or short-circuiting on the primary circuit component, and service it if defective. (D1007, D1008, D1011, D1012, D1023, D1024, IC1002, Q1002, T1002,

32、C1022, R1022) Check each rectifying circuit of the secondary circuit and service it if defective. Yes Yes Yes No No No Is the H signal inputted to the base of Q2603? Replace Q2603. 25 FLOW CHART NO.6 Is 5V voltage inputted to the emitter of Q1011? Replace Q1013. Yes No Is 11V voltage inputted to the

33、 base of Q1013?Is 14V voltage inputted to the base of Q1006? Check D1029, D1041, C1026, L1004 and their periphery, and service it if defective. No FLOW CHART NO.7 FLOW CHART NO.8 P-ON+10.5V is not outputted. Is 14V voltage inputted to the collector of Q1013? YesYesNo Yes Check Q1006, D1046, and thei

34、r periphery, and service it if defective. Check Q1008, and PWSW4 line, and service it if defective. Is 5V voltage supplied to Pin(3) of IC1009? Yes No FLOW CHART NO.9 P-ON+1.2V is not outputted. Is the L signal inputted to the base of Q1015? Yes Check IC1009, Q1015 and their periphery, and service i

35、t if defective. Is 4.5V voltage inputted to the base of Q1011? Is 4.5V voltage inputted to the base of Q1009? Replace Q1011. Yes No Check D1025, D1030, D1031, C1029, C1034 and their periphery, and service it if defective. Is 5V voltage inputted to the emitter of Q1009? Yes No Replace Q1009. Check Q1

36、007 and PWSW4 line and service it if defective. Check Q1007 and PWSW4 line and service it if defective. Yes No Check PWSW2 line and service it if defective. No No Check D1025, D1030, D1031, C1029, C1034 and their periphery, and service it if defective. Check D1025, D1030, D1031, C1029, C1034 and the

37、ir periphery, and service it if defective. Check D1025, D1030, D1031, C1029, C1034 and their periphery, and service it if defective. P-ON+5V (2) is not outputted. FLOW CHART NO.10 P-ON+3.3V is not outputted. Is 5V voltage supplied to Pin(1) of IC1008? ls L signal outputted to the collector of Q1005?

38、 Check IC1008, D1040 and their periphery circuit, and service it if defective. Yes Yes No Check Q1005 and PWSW1 line and service it if defective. No P-ON+5V (1) is not outputted. 26 FLOW CHART NO.12 Is 15V voltage inputted to the emitter of Q1010? Yes No FLOW CHART NO.11 Is 14V voltage inputted to t

39、he base of Q1010? Replace Q1010. Check Q1008 and PWSW4 line and service it if defective. Yes No Check D1028, C1026, L1003 and their periphery, and service it if defective. Is 5V voltage inputted to Pin(3) of IC1010? Yes No No Yes Check IC1010, Q1016 and their periphery, and service it if defective.

40、Check D1025, D1030, D1031, C1029, C1034 and their periphery, and service it if defective. P-ON+1.8V is not outputted. ls L signal outputted to the base of Q1016? P-ON+14.5V is not outputted. Check PWSW2 line and their periphery, and service it if defective. Yes No FLOW CHART NO.14 The key operation

41、is not functioning. Are the contact point and the installation state of the key switches (SW3002, SW3004-SW3007, SW3105, SW3107, SW3109) normal? When pressing each switches (SW3002, SW3004-SW3007, SW3105, SW3107, SW3109), do the voltage of Pin(1, 62) of IC2000 increase? Check the switches (SW3002, S

42、W3004-SW3007, SW3105, SW3107, SW3109) and their periphery, and service it if detective. No Re-install the switches (SW3002, SW3004-SW3007, SW3105, SW3107, SW3109) correctly or replace the poor switch. Replace IC2000. Yes Yes Yes YesNo YesNo Yes No No No FLOW CHART NO.13 The fluorescent display tube

43、does not light up. Is 3.3V voltage supplied to Pin(24) of FL3001? Is 9V voltage supplied to Pin(1,2) of FL3001? Is 5V voltage supplied to Pin(29,30) of FL3001? Replace FL3001. Check the EV+3.3V line and service it if defective. Is 10V voltage supplied to the emitter of Q2604? Check D1033, C1028, R10

44、32, R1033 and their periphery, and service it if defective. Check Q2603 and FL-SW line and service it if defective. Replace Q2604. Is 9V voltage inputted to the base of Q2604? Check the F2 line and service it if defective. 27 Yes FLOW CHART NO.16 The disc tray cannot be opened and closed. (It can be

45、 done using the remote control unit.) Is the normal control voltage inputted to Pin(62) of IC2000? Refer to FLOW CHART NO.14 Replace the BD Main CBA *Select 4: LD Test and select 2: Operating Time in Service Mode. If the Operating Time shows 3,000 hours or more, the BD Mechanism Assembly shall be de

46、termined that it has reached the end of its life. BD-ROMBLX-201S3(SONY) chp12 BD Main CBA electrical components having such features are identified by the mark “!” in the schematic diagram and the parts list. Before replacing any of these components, read the parts list in this manual carefully. The

47、 use of substitute replacement parts that do not have the same safety characteristics as specified in the parts list may create shock, fire, or other hazards. Notes: 1.Do not use the part number shown on these drawings for ordering. The correct part number is shown in the parts list, and may be slig

48、htly different or amended since these drawings were prepared. 2.All resistance values are indicated in ohms (K = 103, M = 106). 3.Resistor wattages are 1/4W or 1/6W unless otherwise specified. 4.All capacitance values are indicated in F (P = 10-6 F). 5.All voltages are DC voltages unless otherwise s

49、pecified.V 15.SCHEMATICDIAGRAMS/CBAANDTESTPOINTS 39 LIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON THE FOLLOWING PAGES: 1. CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE. ATTENTION: POUR UNE PROTECTION CONTINUE LES RISQES DINCELE NUTILISER QUE DES FUSIBLE DE MME TYPE. RISK OF FIRE-REPLACE FUSE AS MARKED. 2. CAUTION: Fixed Voltage (or Auto voltage selectable) power supply circuit is used in this unit. If Main Fuse (F1001) i