Jvc-KWAVX-793-J-Service-Manual(1) 电路图 维修手册.pdf

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1、SERVICE MANUAL COPYRIGHT 2010 Victor Company of Japan, Limited No.MA473 2010/6 DVD RECEIVER WITH MONITOR MA47320106 SERVICE MANUAL KW-ADV793J, KW-AVX730E, KW-AVX730EE, KW-AVX730J, KW-AVX735EU, KW-AVX735U, KW-AVX735UN, KW-AVX736A, KW-AVX736EU, KW-AVX736U, KW-AVX736UN, KW-AVX736UT, KW-AVX736UW, KW-AVX

2、738JW, KW-AVX830E, KW-AVX830J, KW-AVX835EU, KW-AVX835U, KW-AVX835UN, KW-AVX836A, KW-AVX836EU, KW-AVX836U, KW-AVX836UN, KW-AVX836UT, KW-AVX836UW, KW-AVX838JW, KW-AVX838UF COPYRIGHT 2010 Victor Company of Japan, Limited Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centi

3、grade) Lead free solder used in the board (material : Sn-Cu, melting point : 230 Centigrade) TABLE OF CONTENTS 1PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6 2SPECIFIC SERVICE INSTRUCTIO

4、NS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9 3DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10 4ADJUSTMENT . . . . . . . .

5、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-18 5TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-31 Only for KW-AVX83

6、0J/ KW-ADV793/KW-AVX730J Only for E/EU Except J/JW Only for J/JW RadioFans.CN 收音机爱 好者资料库 1-2 (No.MA473) SPECIFICATION * Only for KW-AVX838/KW-AVX830. Design and specifications are subject to change without notice. KW-AVX838/KW-AVX830/KW-ADV793/KW-AVX738/KW-AVX730J/JW AMPLIFIER Power Output20 W RMS 4

7、 Channels at 4 and = 1% THD+N Signal-to-Noise Ratio80 dBA (reference: 1 W into 4 ) Load Impedance4 (4 to 8 allowance) Equalizer Control RangeFrequenciesLow: 60 Hz, 80 Hz, 100 Hz, 200 Hz Mid: 500 Hz, 1 kHz, 1.5 kHz, 2.5 kHz High: 10 kHz, 12.5 kHz, 15 kHz, 17.5 kHz Level12 dB Audio Output Level FRONT

8、OUT, REAR OUT, SUBWOOFER OUT Line-Out Level/Impedance 5 V/20 k load (full scale), 2.5 V20 k load (full scale) for KW-AVX730 Output Impedance1 k Color SystemNTSC Video Output (composite)1 Vp-p/75 Other TerminalsInputLINE IN, VIDEO IN, CAMERA IN, USB input, MIC IN*, Antenna input Output2nd AUDIO OUT*

9、OthersExpansion port, OE REMOTE FM/AM TUNER Frequency RangeFMwith channel interval set to 100 kHz or 200 kHz 87.5 MHz to 107.9 MHz with channel interval set to 50 kHz87.5 MHz to 108.0 MHz AMwith channel interval set to 10 kHz530 kHz to 1 710 kHz with channel interval set to 9 kHz531 kHz to 1 602 kHz

10、 FM TunerUsable Sensitivity9.3 dBf (0.8 V/75 ) 50 dB Quieting Sensitivity16.3 dBf (1.8 V/75 ) Alternate Channel Selectivity (400 kHz)65 dB Frequency Response40 Hz to 15 000 Hz Stereo Separation40 dB AM TunerSensitivity/Selectivity20 V/40 dB DVD/CD Signal Detection SystemNon-contact optical pickup (s

11、emiconductor laser) Frequency ResponseDVD, fs=48 kHz/96 kHz16 Hz to 22 000 Hz VCD/CD16 Hz to 20 000 Hz Dynamic Range93 dB Signal-to-Noise Ratio95 dB Wow and FlutterLess than measurable limit USB USB StandardsUSB 2.0 Full Speed Data Transfer RateFull SpeedMaximum 12 Mbps Low SpeedMaximum 1.5 Mbps Com

12、patible DeviceMass storage class Compatible File SystemFAT 32/16/12 Max. CurrentDC 5 V 500 mA BLUETOOTH (Only for KW-AVX838/KW-AVX830) VersionBluetooth 2.0 certified Output Power+4 dBm Max. (Power class 2) Service AreaWithin 10 m (10.9 yd) ProfileHFP (Hands-Free Profile) 1.5 OPP (Object Push Profile

13、) 1.1 A2DP (Advanced Audio Distribution Profile) 1.2 AVRCP (Audio/Video Remote Control Profile) 1.3 MONITOR Screen Size7 inch wide liquid crystal display Number of Pixel336 960 pixels: 480 3 (horizontal) 234 (vertical) Drive MethodTFT (Thin Film Transistor) active matrix format Color SystemNTSC/PAL

14、Aspect Ratio16:9 (wide) GENERAL Power RequirementOperating VoltageDC 14.4 V (11 V to 16 V allowance) Grounding SystemNegative ground Allowable Storage Temperature-10C to +60C (14F to 140F) Allowable Operating Temperature0C to +40C (32F to 104F) Dimensions (W H D)Installation Size (approx.)182 mm 111

15、 mm 160 mm (7-3/16” 4-3/8” 6-5/16”) Panel Size (approx.)188 mm 117 mm 10 mm (7-7/16” 4-5/8” 7/16”) Mass (approx.)2.8 kg (6.2 lbs) (including the Trim plate and Sleeve) RadioFans.CN 收音机爱 好者资料库 (No.MA473)1-3 * Only for KW-AVX836/KW-AVX835 Design and specifications are subject to change without notice.

16、 KW-AVX836/KW-AVX835/KW-AVX736/KW-AVX735 Europe AMPLIFIER Maximum Power OutputFront/Rear50 W per channel Continuous Power Output (RMS)Front/Rear20 W per channel into 4 , 40 Hz to 20 000 Hz at no more than 0.8% total harmonic distortion Load Impedance4 (4 to 8 allowance) Equalizer Control RangeFreque

17、nciesLow: 60 Hz, 80 Hz, 100 Hz, 200 Hz Mid: 500 Hz, 1 kHz, 1.5 kHz, 2.5 kHz High: 10 kHz, 12.5 kHz, 15 kHz, 17.5 kHz Level12 dB Signal-to-Noise Ratio70 dB Audio Output Level FRONT OUT, REAR OUT, SUBWOOFER OUT Line-Out Level/Impedance5 V/20 k load (full scale) Output Impedance1 k Color SystemNTSC/PAL

18、 Video Output (composite)1 Vp-p/75 Other TerminalsInputLINE IN, VIDEO IN, USB input, MIC IN*, Aerial input Output2nd AUDIO OUT* OthersOE REMOTE, RGB input FM/AM TUNER Frequency RangeFM87.5 MHz to 108.0 MHz AM(MW) 522 kHz to 1 620 kHz (LW) 144 kHz to 279 kHz FM TunerUsable Sensitivity9.3 dBf (0.8 V/7

19、5 ) 50 dB Quieting Sensitivity 16.3 dBf (1.8 V/75 ) Alternate Channel Selectivity (400 kHz)65 dB Frequency Response40 Hz to 15 000 Hz Stereo Separation40 dB MW TunerSensitivity/Selectivity20 V/40 dB LW TunerSensitivity50 V DVD/CD Signal Detection SystemNon-contact optical pickup (semiconductor laser

20、) Frequency ResponseDVD, fs=48 kHz/96 kHz16 Hz to 22 000 Hz VCD/CD16 Hz to 20 000 Hz Dynamic Range93 dB Signal-to-Noise Ratio95 dB Wow and FlutterLess than measurable limit USB USB StandardsUSB 2.0 Full Speed Data Transfer RateFull SpeedMaximum 12 Mbps Low SpeedMaximum 1.5 Mbps Compatible DeviceMass

21、 storage class Compatible File SystemFAT 32/16/12 Max. CurrentDC 5 V 500 mA BLUETOOTH (Only for KW-AVX836/KW-AVX835) VersionBluetooth 2.0 certified Output Power+4 dBm Max. (Power class 2) Service AreaWithin 10 m ProfileHFP (Hands-Free Profile) 1.5 OPP (Object Push Profile) 1.1 A2DP (Advanced Audio D

22、istribution Profile) 1.2 AVRCP (Audio/Video Remote Control Profile) 1.3 MONITOR Screen Size7 inch wide liquid crystal display Number of Pixel336 960 pixels: 480 3 (horizontal) 234 (vertical) Drive MethodTFT (Thin Film Transistor) active matrix format Color SystemPAL/NTSC Aspect Ratio16:9 (wide) GENE

23、RAL Power RequirementOperating VoltageDC 14.4 V (11 V to 16 V allowance) Grounding SystemNegative ground Allowable Storage Temperature-10C to +60C Allowable Operating Temperature0C to +40C Dimensions (W H D)Installation Size (approx.) 182 mm 111 mm 160 mm Panel Size (approx.)188 mm 117 mm 10 mm Mass

24、 (approx.)2.8 kg (including the Trim plate and Sleeve) RadioFans.CN 收音机爱 好者资料库 1-4 (No.MA473) *1 Only for KW-AVX830. *2 Only for KW-AVX730. Design and specifications are subject to change without notice. KW-AVX830/KW-AVX730 Europe AMPLIFIER Maximum Power OutputFront/Rear50 W per channel Continuous P

25、ower Output (RMS) Front/Rear20 W per channel into 4 , 40 Hz to 20 000 Hz at no more than 0.8% total harmonic distortion Load Impedance4 (4 to 8 allowance) Equalizer Control RangeFrequenciesLow: 60 Hz, 80 Hz, 100 Hz, 200 Hz Mid: 500 Hz, 1 kHz, 1.5 kHz, 2.5 kHz High: 10 kHz, 12.5 kHz, 15 kHz, 17.5 kHz

26、 Level12 dB Signal-to-Noise Ratio70 dB Audio Output Level FRONT OUT, REAR OUT, SUBWOOFER OUT Line-Out Level/Impedance5 V/20 k load (full scale) Output Impedance1 k Color SystemPAL Video Output (composite)1 Vp-p/75 Other TerminalsInputLINE IN, VIDEO IN, CAMERA IN*1, USB input, MIC IN*1, Aerial input

27、Output2nd AUDIO OUT*1 OthersExpansion port*2, OE REMOTE FM/AM TUNER Frequency RangeFM87.5 MHz to 108.0 MHz AM(MW) 522 kHz to 1 620 kHz (LW) 144 kHz to 279 kHz FM TunerUsable Sensitivity9.3 dBf (0.8 V/75 ) 50 dB Quieting Sensitivity16.3 dBf (1.8 V/75 ) Alternate Channel Selectivity (400 kHz)65 dB Fre

28、quency Response40 Hz to 15 000 Hz Stereo Separation40 dB MW TunerSensitivity/Selectivity20 V/40 dB LW TunerSensitivity50 V DVD/CD Signal Detection SystemNon-contact optical pickup (semiconductor laser) Frequency ResponseDVD, fs=48 kHz/96 kHz16 Hz to 22 000 Hz VCD/CD16 Hz to 20 000 Hz Dynamic Range93

29、 dB Signal-to-Noise Ratio95 dB Wow and FlutterLess than measurable limit USB USB StandardsUSB 2.0 Full Speed Data Transfer RateFull SpeedMaximum 12 Mbps Low SpeedMaximum 1.5 Mbps Compatible DeviceMass storage class Compatible File SystemFAT 32/16/12 Max. CurrentDC 5 V 500 mA BLUETOOTH (Only for KW-A

30、VX830) VersionBluetooth 2.0 certified Output Power+4 dBm Max. (Power class 2) Service AreaWithin 10 m ProfileHFP (Hands-Free Profile) 1.5 OPP (Object Push Profile) 1.1 A2DP (Advanced Audio Distribution Profile) 1.2 AVRCP (Audio/Video Remote Control Profile) 1.3 MONITOR Screen Size7 inch wide liquid

31、crystal display Number of Pixel336 960 pixels: 480 3 (horizontal) 234 (vertical) Drive MethodTFT (Thin Film Transistor) active matrix format Color SystemPAL/NTSC Aspect Ratio16:9 (wide) GENERAL Power RequirementOperating VoltageDC 14.4 V (11 V to 16 V allowance) Grounding SystemNegative ground Allow

32、able Storage Temperature-10C to +60C Allowable Operating Temperature 0C to +40C Dimensions (W H D)Installation Size (approx.)182 mm 111 mm 160 mm Panel Size (approx.)188 mm 117 mm 10 mm Mass (approx.)2.8 kg (including the Trim plate and Sleeve) (No.MA473)1-5 * Only for KW-AVX836/KW-AVX835. Design an

33、d specifications are subject to change without notice. KW-AVX836/KW-AVX835/KW-AVX736/KW-AVX735 Asia , as for X, as for purpose position, Y, is a movement direction. Error contentsDetailsError codeDetailed error code Disc loading error (3) D1 time out090013 Eject error (3) B1 time out (4) C1 time out

34、 01 01 0023 0024 Error in loading waitLoading of a running mode Disc was pulled out in a wait.090031 Error contentsDetailsError code Detailed error code TOC read errorTOC lead movement of a CD is not completed.840059 First track access errorEven if TOC reading passes after the end with CD running mo

35、de for 30 seconds, the first track access is not finished. 800060 Last track access errorEven if first track passes after the end with CD running mode for 30 seconds, the last track access is not finished. 800061 T1 access errorEven if T1 access passes in a DVD running mode for 30 seconds, it is not

36、 finished. 800069 T12 access errorEven if T12 access passes in a DVD running mode for 30 seconds, it is not finished. 800070 T24 access errorEven if T24 access passes in a DVD running mode for 30 seconds, it is not finished. 800071 Read-in area read errorRead-in area read operation of DVD is not com

37、pleted.840072 DVD L1 layer adjustment er- ror Adjustment of L1 layer of DVD is not finished normally. (including focus jump failure) 800074 DVD L0 layer adjustment er- ror Adjustment of L0 layer of DVD is not finished normally. (including focus jump failure) 800075 NO DISC judgmentJudgment without d

38、isc800090 It is NO DISC by start failure Start is impossible800091 It is stopped by playback in- ability. Stop in running mode playback800093 Logic format NGLogic format analysis inability or non-correspondence logic format800094 Seek access errorIt cannot arrive at an aim address even if it passes

39、for 15 seconds.800095 Error contentscode Time outOB Position error by the external forceOC Abnormal voltage (1)F3 Abnormal voltage (2)F5 Abnormal voltage (3)F7 Abnormal voltage (4)F8 Purpose positionX CLOSE1 5 degrees2 10 degrees3 15 degrees4 20 degrees5 25 degrees6 30 degrees7 OPEN8 Movement direct

40、ionY Open direction0 Close direction1 1-26 (No.MA473) Note: * of the above error code is the number of the pulse counts at the time of the error outbreak. 4.10 Running mode * Cancellation of running1,2 and 3 : Press the EJECT key * In running 1,2 and 3 cancellation, a door does not stop at the posit

41、ion and moves to a panel position. * Cancellation of running4 to 9 : Press the POWER key * The number of count and an error cord are displayed in running. Playback contents in a running mode CD The first track is played for 30 seconds. The last track is played for 30 seconds. (The last track is play

42、ed in the case of less than till the last for 30 seconds.) DVD 2layer disc (Pit disc) Title 1 (the L0 layer internal circumference) is played for 30 seconds. Title 12 (L0 layer circumference) is played for 30 seconds. Title 24 (L1layer internal circumference) is played for 30 seconds. 2layer disc (R

43、ecordable disc) Title 1 (the L0 layer internal circumference) is played for 30 seconds. Title 13 (L0 layer circumference) is played for 30 seconds. Title 24 (L1layer internal circumference) is played for 30 seconds. 1layer disc First chapter of title 1 is played for 30 seconds. The last chapter of t

44、itle 1 is played for 30 seconds. DetailError code It is time-out during movement to the closed position.0B*11 It is time-out during 5 degrees tilt movement.(open direction)0B*20 It is time-out during 5 degrees tilt movement.(close direction)0B*21 It is time-out during 10 degrees tilt movement.(open

45、direction)0B*30 It is time-out during 10 degrees tilt movement.(close direction)0B*31 It is time-out during 15 degrees tilt movement.(open direction)0B*40 It is time-out during 15 degrees tilt movement.(close direction)0B*41 It is time-out during 20 degrees tilt movement.(open direction)0B*50 It is

46、time-out during 20 degrees tilt movement.(close direction)0B*51 It is time-out during 25 degrees tilt movement.(open direction)0B*60 It is time-out during 25 degrees tilt movement.(close direction)0B*61 It is time-out during 30 degrees tilt movement.(open direction)0B*70 It is time-out during 30 deg

47、rees tilt movement.(close direction)0B*71 It is time-out during movement to the open position.0B*80 It is position error during close position stop.0C0011 It is position error during 5 degree tilt position stop.0C0020 It is position error during 10 degree tilt position stop.0C0030 It is position err

48、or during 15 degree tilt position stop.0C0040 It is position error during 20 degree tilt position stop.0C0050 It is position error during 25 degree tilt position stop.0C0060 It is position error during 30 degree tilt position stop.0C0070 It is position error during open position stop.0C0080 Detect a

49、bnormal voltage (1)F3*XY Detect abnormal voltage (2)F5*XY Detect abnormal voltage (3)F7*XY Detect abnormal voltage (4)F8*XY IndicationExplanationOperation contents of 1 cycleIn mecha error In disc error RUNNING1 MECHA Door mecha running 1Panel close Panel open- RUNNING2 MECHA Door mecha running 2Panel close 5 degrees 10 degrees 15 degrees 20 degrees 25 degrees 30 degrees anel open - RUNNING3 MECHA Door mecha running 3Panel close 5 degrees 30 degrees 5 de- grees Panel close - RUNNING4 DVDDVD+D