Panasonic-SAVK660G-cs-sm 电路图维修手册.pdf

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1、? ? ? ? AMPLIFIER SECTION RMS Output Power Stereo mode: Front Channel 115 W per channel (3 ), 1 kHz, 10% THD Subwoofer Channel 115 W per channel (3 ), 1 kHz, 10% THD Total RMS Stereo mode power345 W PMPO output power3700 W ? ? ? ? FM/AM TUNER, TERMINALS SECTION Preset stationFM 20 stations AM 15 sta

2、tions Frequency Modulation (FM) Frequency range87.50 to 108.00 MHz (50 kHz step) Sensitivity2.5 V (IHF) S/N 26dB1.3 V Antenna terminals75 (unbalanced) Amplitude Modulation (AM) Frequency range522 to 1629 kHz (9 kHz step) 520 to 1630 kHz (10 kHz step) AM Sensitivity S/N 20dB at 999 kHz 505 V/m Digita

3、l audio output Coaxial digital outputPin jack Music Port Input Jack 2007 Matsushita Electric Industrial Co. Ltd. All rightsreserved.Unauthorizedcopyingand distribution is a violation of law. SA-VK660GC SA-VK660GS SA-VK660GCS SA-VK660GCT Colour (K). Black Type Sensitivity100 mV, 4.7 k TerminalStereo,

4、 3.5 mm jack Phone jack TerminalStereo, 3.5 mm jack Mic jack Sensitivity0.7 mV, 600 TerminalMono, 6.3 mm jack (2 system) Aux Sensitivity2V, 8K TerminalStereo, RCA jack ? ? ? ? CASSETTE DECK SECTION Type1 way, Auto reverse Track system4 Track, 2 Channel Heads Record/playbackSolid permalloy head Erasu

5、reDouble gap ferrite head MotorDC servo motor Recording systemAC bias 100 kHz Erasing systemAC erase 100 kHz Tape speed4.8 cm/s Overall frequency response (+3, -6 dB) at DECK OUT Normal35 Hz to 14 kHz S/N ratio50 dB (A-Weighted) Wow and flutter0.18 % (WRMS) Fast forward and rewind timeApprox. 120 se

6、conds with DVD Stereo System Notes: This models DVD/CD mechanism changer unit is CRS1D. Please refer to the original service manual (Order No. MD0603065A3) for this mechanism. Specifications ORDER NO. MD0707004CE RadioFans.CN 收音机爱好者资料库 C-60 cassette tape ? ? ? ? VIDEO SECTION Video systemPAL625/50,

7、 PAL525/60, NTSC Composite video output Output level1 Vp-p (75 ) TerminalPin jack (1 system) Component video output NTSC : 480p/480i, PAL : 576p/576i Y output level1 Vp-p (75 ) PBoutput level0.7 Vp-p (75 ) PRoutput level0.7 Vp-p (75 ) Terminal Pin jack (Y: green, PB: blue, PR: red) (1 system) ? ? ?

8、? DISC SECTION Disc played 8 cm or 12 cm (1) DVD (DVD-Video, DivX* 6,*7) (2) DVD-RAM (DVD-VR, JPEG* 4,*7, MP3* 2,*7, MPEG4* 5,*7, DivX* 6,*7) (3) DVD-R (DVD-Video, DVD-VR, JPEG* 4,*7, MP3* 2,*7, MPEG4* 5,*7, DivX* 6,*7) (4) DVD-R DL (DVD-Video, DVD-VR) (5) DVD-RW (DVD-Video, DVD-VR, JPEG* 4,*7, MP3*

9、 2,*7, MPEG4* 5,*7, DivX* 6,*7) (6) +R/ +RW (Video) (7) +R DL (Video) (8) CD,CD-R/RW CD-DA, Video CD, SVCD* 1, MP3* 2,*7, WMA* 3,*7, JPEG* 4,*7, MPEG4* 5,*7, DivX* 6,*7, HighMAT Level 2 (Audio and Image) * 1 Conforming to IEC62107 * 2 MPEG-1 Layer 3, MPEG-2 Layer 3 * 3 Windows Media Audio Ver 9.0 L3

10、 Not compatible with Multiple Bit Rate (MBR) * 4 Exif Ver 2.1 JPEG Baseline files Picture resolution: between 160 x 120 and 6144 x 4096 pixels (Sub sampling is 4:0:0, 4:2:0, 4:2:2 or 4:4:4). Extremely long and narrow pictures may not be displayed. * 5 MPEG4 data recorded with the Panasonic SD multi

11、cameras or DVD video recorders. Conforming to SD VIDEO specifications (ASF standard)/ MPEG4 (Simple Profile) video system/ G.726 audio system. * 6 Plays all versions of DivXvideo (including DivX6) with standard playback of DivXmedia files. Certified to the DixVHome Theater Profile. GMC (Global Motio

12、n Compensation) is not supported. * 7 The total combined maximum number of recognizable audio, picture and video contents and groups: 4000 audio, picture and video contents and 400 groups. Pick up Wavelength CD785 nm DVD662 nm Laser Power CDCLASS 1M DVDCLASS 1 Audio output (Disc) Number of channels(

13、FL, FR) 2 channel ? ? ? ? GENERAL Power supply For GC onlyAC 220 V to 240 V, 50/60 Hz For GS/GCS/GCT only AC 110 V to 127 V/220 V to 240 V, 50/60 Hz Power consumption125 W Power consumption in standby mode: 0.9 W (approx.) Dimensions (W x H x D)250 mm x 330 mm x 333.6 mm Mass7.5 kg Operating tempera

14、ture range+5C to +35C Operating humidity range5% to 90% RH (no condensation) ? ? ? ? SYSTEM SC-VK660(GC)Music Center: SA-VK660 (GC) Speaker: SB-PF660 (GC) Subwoofer: SB-WVK660 (GC) SC-VK660(GS)Music Center: SA-VK660 (GS) Speaker: SB-PF660 (GC) Subwoofer: SB-WVK660 (GC) SC-VK660(GCS)Music Center: SA-

15、VK660 (GCS) Speaker: SB-PF660 (GC) Subwoofer: SB-WVK660 (GC) SC-VK660(GCT)Music Center: SA-VK660 (GCT) Speaker: SB-PF660 (GC) Subwoofer: SB-WVK660 (GC) For information on speaker system, please refer to the original Service Manual (Order No. MD0707005CE) for SB-PF660GC-K and Service Manual (Order No

16、. MD0707006CE) for SB-WVK660GC-K. Notes: 1. Specifications are subject to changes without notice. Mass and dimensions are approximate. 2. Total harmonic distortion is measured by the digital spectrum analyzer. 2 SA-VK660GC / SA-VK660GS / SA-VK660GCS / SA-VK660GCT RadioFans.CN 收音机爱好者资料库 1 Safety Pre

17、cautions 6 1.1. General Guidelines 6 1.2. Safety Precaution for AC Power Supply Cord (For GS only) 7 1.3. Before Use (For GS/GCS/GCT only) 7 CONTENTS Page Page 3 SA-VK660GC / SA-VK660GS / SA-VK660GCS / SA-VK660GCT RadioFans.CN 收音机爱好者资料库 1.4. Before Repair and Adjustment 7 1.5. Protection Circuitry

18、7 1.6. Safety Parts Information 8 2 Prevention of Electrostatic Discharge (ESD) to Electrostatically Sensitive (ES) Devices 8 3 Precaution of Laser Diode 9 4 About Lead-Free Solder (PbF) 10 4.1. Service caution based on legal restrictions 10 5 Handling Precautions for Traverse Unit 11 5.1. Handling

19、Optical Pickup 11 5.2. Replacing Precautions for Optical Pickup Unit 11 5.3. Grounding for Preventing Electrostatic Destruction 11 6 Accessories 12 7 Operation Procedures 13 7.1. Main Unit Operation Control 13 7.2. Remote Control Operation Control 14 7.3. Disc Information 15 7.4. DivX VOD Content 17

20、 8 DVD/CD Mechanism Changer Unit 18 8.1. CRS1D Mechanism Overview 18 8.2. Music Port 21 9 Self diagnosis and special mode setting 22 9.1. Service Mode Summary Table 22 9.2. Service Mode Table 22 9.3. Optical Pick-up Breakdown Diagnosis 32 9.4. DVD Self-Diagnostic Function Error Code 34 9.5. Sales De

21、mostration Lock Function 40 9.6. Service Precautions 40 10 Assembling and Disassembling 42 10.1. Caution 42 10.2. Disassembly flow chart 44 10.3. Main Parts Location 45 10.4. Disassembly of Top Cabinet 45 10.5. Disassembly of DVD/CD Mechanism Changer Unit 46 10.6. Disassembly of Rear Panel 47 10.7.

22、Disassembly of Main P.C.B. 47 10.8. Disassembly of SMPS P.C.B. 48 10.9. Disassembly of D-Amp P.C.B. 48 10.10. Disassembly of Front Panel Unit 49 10.11. Disassembly for Mic P.C.B. 50 10.12. Disassembly for Panel P.C.B. 50 10.13. Disassembly of Tact Switch P.C.B. 51 10.14. Disassembly of Deck mechanis

23、m unit 52 10.15. Disassembly of Deck P.C.B. 52 10.16. Disassembly for Deck Mechanism 52 10.17. Disassembly of Traverse Unit 55 10.18. Disassembly of DVD Module P.C.B. 57 10.19. Disassembly of Deck Mechanism P.C.B. 57 10.20. Replacement for cassette lid 57 10.21. Rectification for tape jam problem 57

24、 11 Service Positions 59 11.1. Checking and Repairing of Main P.C.B. 59 11.2. Checking and Repairing of SMPS P.C.B. 59 11.3. Checking and Repairing of Panel P.C.B. 60 11.4. Checking and Repairing of D-Amp P.C.B., Deck P.C.B. QZZCWAT 12.1.1. Head Azimuth Adjustment (Deck 1/2) Caution: Please replace

25、both azimuth adjustment screw and springs simultaneously when readjusting the head azimuth. (shown in Fig. 2) Even if you wish to readjust the head azimuth without replacing the acrews and springs, a fine adjustment to the azimuth screw and spring. Please remove the screw-locking bond left on the he

26、ad base when replacing the azimuth screw. If you wish to readjust the head azimuth, be sure to adjust with adhering the cassette tape closely to the mechanism by pushing the center of cassette tape with your finger. (shown in Fig. 3) 1. Playback the azimuth adjustment portion (8 kHz, -20dB) of the t

27、est tape (QZZCFM) in the forward play mode. Vary the azimuth adjustment screw until the output of the R-CH (PB OUT-R) are maximized. 2. Perform the same adjustment in the reverse play mode. 3. After the adjustment, apply screwlock to the azimuth adjusting screw. 12.1.2. Tape Speed Adjustment (Deck 1

28、/2) 1. Set the tape edit button to “NORMAL” position. 2. Insert the test tape (QZZCWAT) to DECK 2 and playback (FWD side) the middle portion of it. 3. Adjust Motor VR (DECK 2) for the output value shown below. Adjustment target: 2940 3060 Hz (NORMAL speed) 4. After alignment, assure that the output

29、frequency of the DECK 1 FWD are within 60 Hz of the value of the output frequency of DECK 2 FWD. Fig. 1 12.1.3. Bias Voltage Check 1. Set the unit “AUX” position. 2. Insert the Normal blank tape (QZZCRA) into DECK 2 and the unit to “REC” mode (usekey). 3. Measure and make sure that the output is wit

30、hin the standard value. Bias voltage for Deck 2144mV (Normal) Fig. 2 Fig. 3 12 Adjustment Procedures 62 SA-VK660GC / SA-VK660GS / SA-VK660GCS / SA-VK660GCT 12.1.4. Bias Frequency Adjustment (Deck 1/2) 1. Set the unit to “AUX” position. 2. Insert the Normal blank tape (QZZCRA) into DECK 2 and set the

31、 unit to “REC” mode (usekey). 3. Adjust L1002 so that the output frequency is within the standard value. Standard Value: 89 110 kHz 1. Connect the instrument as shown in Fig. 5. 2. Set the unit to AM mode. 3. Apply signal as shown in Fig. 5 from AM-SG. 4. Adjust Z2602 so that the output frequency is

32、 maximized in Fig. 6. Fig. 5 Fig. 6 12.2.2. AM RF Adjustment 1. Connect the instrument as shown in Fig. 7. 2. Set the unit to AM mode. 3. Set AM-SG to 520kHz. 4. Receive 520kHz in the unit. 5. Adjust L2601 (OSC) so that the EVM-AC is maximized. 6. Set AM-SG to 600Hz. 7. Receive 600Hz in the unit. 8.

33、 Adjust L2601 (ANT) so that the EVM-SG is maximized. 9. Set AM-SG to 520kHz. 10. Receive 520kHz in the unit. 11. Adjust L2602 (OSC) so that the EVM-DC value is with 1.10.5V. Fig. 4 Fig. 7 12.2. Tuner Section 12.2.1. AM-IF Alignment 63 SA-VK660GC / SA-VK660GS / SA-VK660GCS / SA-VK660GCT 12.3.1. Casse

34、tte Deck Section 12.3. Alignment Points 64 SA-VK660GC / SA-VK660GS / SA-VK660GCS / SA-VK660GCT 13 Illustration of ICs, Transistors and Diodes ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?

35、? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 65 SA-VK660GC / SA-VK660GS / S

36、A-VK660GCS / SA-VK660GCT 14 Voltage and Waveform Chart Note: Circuit voltage and waveform described herein shall be regarded as reference information when probing defect point, because it may differ from an actual measuring value due to difference of Measuring instrument and its measuring condition

37、and product itself. 14.1. DVD Module P.C.B. Ref No. MODE1234567891011121314151617181920 CD PLAY1.30.91.51.203.41.31.203.4111.11.803.41.31.501.3 Ref No. MODE2122232425262728293031323334353637383940 CD PLAY1.812.20.51.92.21.21.11.51.43.403.40.71.91212.11.9 Ref No. MODE414243444546474849505152535455565

38、7585960 CD PLAY2.21.801.303.43.43.43.3003.41.92.733.33.32.900 Ref No. MODE6162636465666768697071727374757677787980 CD PLAY0000.90.11.91.703.43.33.43.43.40000000 Ref No. MODE81828384858687888990919293949596979899100 CD PLAY001.23.30.92.401.900.41.83.31.41.41.81.91.71.71.71.7 Ref No. MODE1011021031041

39、05106107108109110111112113114115116117118119120 CD PLAY000.40.10.21.93.302.31.72.72.72.72.72.72.72.52.52.52.5 Ref No. MODE121122123124125126127128129130131132133134135136137138139140 CD PLAY1.921.71.701.71.73.41.90.90.43.32.4112.400.40.90 Ref No. MODE1411421431441451461471481491501511521531541551561

40、57158159160 CD PLAY3.43.400.1003.41.61.71.70.91.703.41.51.601.333 Ref No. MODE161162163164165166167168169170171172173174175176177178179180 CD PLAY2.93.12.93.103.43.23.1333.1303.43.2032.92.72.7 Ref No. MODE181182183184185186187188189190191192193194195196197198199200 CD PLAY3.301.63.41.601.33.33.23.23

41、.301.9003.41.70.101.5 Ref No. MODE201202203204205206207208209210211212213214215216 CD PLAY1.51.70.203.41.70.21.61.601.32.62.22.20.90.9 Ref No. MODE1234567891011121314151617181920 CD PLAY3.42.93.43.13.103.13.33.43302.93.42.73.33.33.23.21.9 Ref No. MODE2122232425262728293031323334353637383940 CD PLAY1

42、.700.10.20.21.63.401.61.61.61.50.100-3.41.62.7- Ref No. MODE4142434445464748495051525354 CD PLAY02.93.43.13.1033.13.42.92.9030 Ref No. MODE1234567812345 CD PLAY3.4-0.1-4.4-4.72.52.501.30.8 Ref No. MODE12345678910 CD PLAY1.71.71.72.42.4205.13.30 Ref No. MODE1112131415161718192021222324252627282930 CD

43、 PLAY2.62.62.62.65.65.64.94.90011.511.51.71.71.71.705.100 Ref No. MODE12345678910111213141516 CD PLAY03.32.93.31.60.91.71.7-5.202.62.52.55.1 Ref No. MODE12341234512345678 CD PLAY3.31.3003.33.400-00003.43.403.4 Ref No. MODE1234567891011121314151617181920 CD PLAY0.92.10.51.72.21.11.11.41.403.43.33.43.

44、40.70.71.8121 Ref No. MODE2122232425262728293031323334353637383940 CD PLAY23.42.21.82.62.202.21.10.91.50.81.61.21.31.33.41.80.91.1 Ref No. MODE41424344454647481234512345 CD PLAY1.21.31.61.41.503.41.73304.65.12.72.704.15.1 Ref No. MODEECBECBECBECBECB CD PLAY1.100.41.500.91.100.41.600.91.500.9 Ref No.

45、 MODEECBECBECBECB CD PLAY0.14.60.10.14.64.61.93.51.3 3.54.14.1 Ref No. MODE123456ECBECB CD PLAY0.10.11.4 0.1 0.14.400.14.03.43.30.1 SA-VK660GC/GCS/GS/GCT DVD MODULE P.C.B. IC8691IC8695IC8651 Q8321 IC8420 IC8601IC8606IC8611 IC8051 IC8001 IC8001 IC8001 IC8001 IC8001 IC8051 IC8001 IC8001 IC8651 IC8651 Q8341 Q8551 QR8111 IC8001 IC8001 IC8001 IC8001 IC8251 IC8251 IC8111 IC8051 IC8151 QR8420QR8571 Q8325Q8331Q8335 Q8561Q8562Q8552 66 SA-VK660GC / SA-VK660GS / SA-VK660GCS / SA-VK660GCT 14.2.