Marantz-PMD-671-Service-Manual(1) 电路图 维修手册.pdf

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1、Part no. 90M01BS855010 First Issue 2005.02 MJI Solid State Recorder PMD671 TABLE OF CONTENTS SECTION PAGE 1. TECHNICAL SPECIFICATIONS . 1 2. FACTORY/SERVICE MODE . 2 3. LCD CONTRAST ADJUSTMENT. 3 4. HOW TO DISASSEMBLE. 3 5. DSP(QD01) FIRMWARE UPDATE PROCEDURE. 7 6. MAIN MICROPROCESSOR (QU01) UPDATE

2、PROCEDURE. 9 7. WIRING DIAGRAM. 11 8. BLOCK DIAGRAM . 13 9. SCHEMATIC DIAGRAM. 15 10. PARTS LOCATION. 39 11. MICROPROCESSOR AND IC DATA. 47 12. EXPLODED VIEW AND PARTS LIST. 61 13. ELECTRICAL PARTS LIST. 63 PMD671 /F B/N1B/U1B PMD671PMD671 Please use this service manual with referring to the user gu

3、ide ( D.F.U. ) without fail. Service Manual -20dB R OFF OFF PHONES R L POWER MARGIN RESET ONALCMANUAL ONALLOFF STEREO R OFF 0dB MARK ON 645 3 21 0 LR ON OFF / MIC HP/SPK VOLUME REC LEVEL L REC L SINGLE ENTERCANCEL UNDO PLAY/PAUSESTOP FLAT DC IN 15V CHARGE DIGITAL IN OUT MENU/STORE EDIT LINE OUT REMO

4、TE 1 LINE REMOTE 2 IN PHANTOM 1 GND +48V 3 COLD2 HOT MIC IN SOLID STATE RECORDER PMD671 AUDIO OUT PRE RECREPEATANC INPUT LOCKEDL PLAY A-B REPEATINPUT FILE REC LEVEL MIC ATT SOURCE MONITOR LIMITER -/F.REVF.FWD/+ 3 12 PUSH 3 12 PUSH REC KEY LOCKLIGHTDISPLAY REC PAUSE TRACK JUMP DC IN 15V CHARGE DIGITA

5、L IN OUT + - + - TOTAL TRACK TIME RECREMAIN kbps A-B TRACK MARK kHz AM PM L -dB R INT MIC LINE S.SKIP -dB 402012620OVER RadioFans.CN 收音机爱 好者资料库 SHOCK, FIRE HAZARD SERVICE TEST : CAUTION : After servicing this appliance and prior to returning to customer, measure the resistance between either primary

6、 AC cord connector pins ( with unit NOT connected to AC mains and its Power switch ON ), and the face or Front Panel of product and controls and chassis bottom. Any resistance measurement less than 1 Megohms should cause unit to be repaired or corrected before AC power is applied, and verifi ed befo

7、re it is return to the user/customer. Ref. UL Standard No. 1492. In case of diffi culties, do not hesitate to contact the Technical Department at above mentioned address. 030307MIT The exchange of the lithium battery(ZU01 : CR2023). CAUTION Danger of explosion if battery is incorrectly replaced. Rep

8、lace only with the same or equivalent type. ? (ZU01 : CR2032) ? ? ? ? RadioFans.CN 收音机爱 好者资料库 1 1. TECHNICAL SPECIFICATIONS Digital audio system System.Solid State Recorder Usable Media. CF memory cards (Microdrive) cards Recording and media methods .mp2.MPEG1 Layer II compression .mp3.MPEG1 Layer I

9、II compression .mp3.MPEG2 Layer III compression* . *for all half sample rates. PCM. 16/24 bit linear PCM Recording bit rate (selectable) MP2 mono. 192, 128, 96, 64, 48, 32 kbps MP2 stereo. 384, 256,192,128, 96, 64 kbps MP3 mono. 160, 128, 80, 64, 40, 32, 24, 16 kbps MP3 stereo. 320, 256, 160, 128, 8

10、0, 64, 40, 32 kbps Sampling frequency Analog .96, 88.2, 48, 44.1 kHz(24bit PCM) 48, 44.1, 32, 24, 22.05, 16, 12, 11.025, 8 kHz(16bit PCM .48, 44.1, 32 kHz(MP2) .48, 44.1, 32, 24, 22.05, 16 kHz(MP3) Digital.96, 88.2, 48, 44.1 kHz Number of channels . 2 (stereo), 1 (mono) Frequency response.44 kHz (-0

11、.5dB) Signal-to-Noise Ratio IEC-A weighted.LINE 92 dB .MIC 65 dB Total Harmonic Distortion at 0 VU(PCM).LINE 0.01% . MIC 0.03% Dynamic Range.94 dB Inputs MIC IN L/R Type.XLR (1:GND, 2:HOT, 3:COLD) Input Sensitivity(MIC) .1.2 mVrms/ 3 kohms LINE IN L/R Type.RCA jack Input Sensitivity(LINE).300 mVrms/

12、 22 kohms DIGITAL IN Type.RCA jack Input impedance. 75 ohms Standard input level. 0.5 Vp-p Sampling frequency.96, 88.2, 48, 44.1 kHz Format.SPDIF (IEC 958 TypeII) Outputs LINE OUT L/R Type.RCA jack Standard level. 2 Vrms max./2 kohms DIGITAL OUT Type.RCA jack Output impedance. 75 ohms Standard outpu

13、t level. 0.5 Vp-p Sampling frequency.96, 88.2, 48, 44.1 kHz Format.SPDIF (IEC-958 Type II) General Headphone Output power .20 mW/ 32 ohms Speaker Output power.70 mW/ 4 ohms Phantom power .+48V/ 7 mA Power consumption Recording/Playback.6 W Charging.12 W max Standby (battery driven).2.9 mW Battery li

14、fe (Alkaline). 6 hours (typical) Dimensions Width . 264 mm (10.4”) Height. 55 mm (2.0”) Depth. 185 mm (7.3”) Weight . 1.3 kg (2 lbs. 14 oz.) Included accessories AC adapter .1 Battery carrier.1 Carry strap.1 Carry strap retainers.2 Screws (ISO 3x10 mm) .3 Plastic pin and retainer.1 USB cable.1 User

15、Guide .1 Optional accessories* Ni-Cd battery pack.RB1100 Ni-MH battery pack.RB1651 Battery charger.BC600 Carrying cover (vinyl).CLC670 Carrying bag. PRC300 Professional reporters bag. PRC600 Attache carrying case.CA200 *See www.d- for details. *Specifi cations subject to change without notice. Radio

16、Fans.CN 收音机爱 好者资料库 2 2. FACTORY/SERVICE MODE A. FACTORY MODE To reset all settings to default status ,follow the procedure below. 1) When Power Standby mode, While pressing MARK or MARK and INPUT buttons, Slide POWER switch to turn on the unit. ( /N uses MARK button. /F/U uses MARK button.) 2) FACTO

17、RY name is displayed on LCD. The unit becomes the setup of default automatically. B. SERVICE MODE 1. Micro-Processor Version check 1) Insert the CompactFlash, When Power Standby mode, While pressing A-B REPEAT and EDIT buttons, Slide POWER switch to turn on the unit. 2) VIRSION name is displayed on

18、LCD with blink, then press PLAY/PAUSE button, VIRSION is displayed on LCD. Example : DSP 02.06 MPU B0004 3) Turn off power to quit Service mode. 2. CompactFlash read/write speed check 1) Insert the CompactFlash, While pressing A-B REPEAT and EDIT buttons, Slide POWER switch to turn on the unit. 2) V

19、IRSION name is displayed on LCD with blink, then press -/F.REV or F.FWD/+ button. 3) CARD CHECK name is displayed on LCD with blink, then press PLAY/PAUSE button. The check of Read/write speed is started. After the check fi nishes, the number of data transfer rate (kbps) is displayed. Start (progres

20、s) End Example : XXX% Read:3606 EXECUTING Write:3606 If about 3000 or less number is displayed, the CompactFlash is not correct (Because read/write speed is slow, the unit has the possibility that sound is interrupted and stop during recording). Insert the correct CompactFlash. 4) Turn off power to

21、quit Service mode. 2. FACTORY/SERVICE? A. FACTORY ? 1?INPUT ?MARK ? ?MARK ?POWER ? ? ?N? ?MARK ? ?F/U? ?MARK ? 2?FACTORY? ? B. SERVICE? 1. VERSION? 1?CompactFlash?A-B REPEAT ? ? EDIT ?POWER ? ? 2) DISPLAY?VERSION?PLAY/PAUSE ? ? DSP 02.06 MPU B0004 3?SERVICE? 2. CompactFlash? 1?CompactFlash?A-B REPEA

22、T ? ? EDIT ?POWER ? ? 2?DISPLAY?VERSION?-/F.REV? ? ?F.FWD/+? 3? DISPLAY?CARD CHECK?PLAY/ PAUSE? ?kbps? ? ? ? ? XXX% Read:3606 EXECUTING Write:3606 ?kbps? ?kbps? ? ?CompactFlash? ? 4?SERVICE? Read:XXXX Write:XXXX TOTAL TRACK TIME RECREMAIN kbps A-B TRACK MARK kHz AM PM L -dB R INT MIC LINE S.SKIP -dB

23、 402012620OVER DSP XX.XX MPU XX.XX TOTAL TRACK TIME RECREMAIN kbps A-B TRACK MARK kHz AM PM L -dB R INT MIC LINE S.SKIP -dB 402012620OVER 3 3. LCD CONTRAST ADJUSTMENT 1. Connect the TEST POINT (See below) with the tester. 2. Turn the variable resistor RF01(RF09) so that the reading of the tester bec

24、omes 7.0 V 0.1 V and confi rm the contrast of the LCD becames maximum. 4. HOW TO DISASSEMBLE 1) Remove 7 screws as shown in Fig.1. 2) Remove the battery cover. 3) Remove 4 screws as shown in Fig.2. 3. LCD ? 1?TEST?POINT ? ?RF01(RF09)? ? 2?LCD ? ? 7?0V 0?1V ? ? 4. ? 1? 1 ? 7 ? ? 2? 3? 2 ? 4 ? 4 4) Re

25、move 2 screws from both sides as shown in Fig.3 and Fig.4. 5) Remove the front panel, holding it and pushing down with thumb as shown in Fig.5 and Fig.6. Cautions : When removing the front panel, take care not to damage the cable and connectors. 6) Remove 2 screws as shown in Fig.7. 4? 3 ? 4 ? 2 ? 5

26、? 5 ? 6 ? ? ? ? FPC ? ? 6? 7 ? 2 ? 5 7) Remove 5 connectors as shown in Fig.8. And remove the top case. 8) Remove 4 connectors as shown in Fig.9. 9) Remove 5 screws. Then remove side panel of Audio I/O side. 7? 8 ? 5 ? ? 8?9?4? 9?5? ? 6 10) Remove 6 screws. Then remove side panel of CompactFlash sid

27、e. 11) Remove 7 screws. Then remove the PCB. 10? 6 ? ? ? ? ? ? 7 5. DSP(QD01) FIRMWARE UPDATE PROCE- DURE Necessary Equipment Windows PC(Windows2000 or WindowsXP) USB cable (USB 4Pin - mini USB 5pin) CompactFlash (with format) Update Disc (90M-PMD671CDR) Connection 1. Connect Windows PC and PMD671 w

28、ith USB cable 2. Insert the CompactFlash Writing procedure NOTICE : Dont turn off the power during the update. When turn off the power, you must change Flash Rom (QD01). 1. While pressing MARGIN RESET button, Slide POWER switch to turn on the unit. 2. USB ONLINE is displayed on LCD. 3. It confi rms

29、that it was recognized as Removable Disk (CompactFlash) by a PC. 4. pmd_prog.bin of the update disk is copied to the route of Removable Disk(CompactFlash). 5. Disconnect USB cable from the unit, then turn off POWER switch. 6. Keep inserting the CompactFlash, turn on POWER switch. 7. DSP Firmware upd

30、ating will be done automatically. 8. Light up all the LCD dot. 9. Uploading takes about one minute. 5. DSP (QD01) fi rmware ? ? Windows PC?Windows2000 ? WindowsXP? USB ? ?USB 4Pin ?USB ? 5pin? ?CompactFlash? ? ?90M-PMD671CDR? ? 1?Windows?PC ? PMD671 ? USB ? 2? PMD671 ? ? ? ? ? ? Flash ROM(QD01) ? 1?

31、 ?PMD671 ? MARGIN RESET ? POWER ? 2? ?PMD671 ? USB?ONLINE ? 3? ?Windows?PC ? ?CompactFlash)? ? 4? ? pmd?prog?bin ? ? ?CompactFlash)? 5? ?USB ? PMD671 ? 6? ? PMD671 ? ? 7? ? DSP ? fi rmware ? 8? ? 9? ? 1 ? mini USB 5pin 8 10. When the updatiing is fi nished, information of Compact- Flash is displayed on LCD. 11. Turn off POWER switch. The fi rmware has been updated. Do the next procedure. 12. Connect Windows PC and PMD671 with USB cable 13. Repeat the