Jvc-HRXV-38-SAG-Service-Manual 电路图 维修手册.pdf

《Jvc-HRXV-38-SAG-Service-Manual 电路图 维修手册.pdf》由会员分享，可在线阅读，更多相关《Jvc-HRXV-38-SAG-Service-Manual 电路图 维修手册.pdf（114页珍藏版）》请在收音机爱好者资料库上搜索。

1、SERVICE MANUAL COPYRIGHT 2005 Victor Company of Japan, Limited No.YD055 2005/3 DVD PLAYER & VIDEO CASSETTE RECORDER YD05520053 HR-XV38SAG For disassembling and assembling of MECHANISM ASSEMBLY, refer to the SERVICE MANUAL No.86700 (MECHANISM ASSEMBLY). Regarding service information other than these

2、sections, refer to the service manutal No. YD051 (HR-XV48EX). Also, be sure to note iportant safety precautions provided in the service manual. TABLE OF CONTENTS 1PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3、 . . . . . . . . . 1-3 2SPECIFIC SERVICE INSTRUCTIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 3DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4、. . . . . . . . . . 1-4 4ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 5TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5、 . . . . . . . . . . . . . . . . 1-8 RadioFans.CN 收音机爱 好者资料库 1-2 (No.YD055) SPECIFICATION Specifications shown are for SP mode unless otherwise specified. E.& O.E. Design and specifications subject to change without notice. Manufactured under license from Dolby Laboratories. Dolby and the double-D s

6、ymbol are trademarks of Dolby Laboratories. DTS and DTS2.0+ Digital Out are trademarks of Digital Theater Systems, Inc. G-CODE is a trademark of Gemstar Development Corporation and is registered in the following countries: Australia, China, Hong Kong, Japan, South Korea, New ealand, and Taiwan. SHOW

7、VIEW is a trademark of Gemstar Development Corporation and is reg- istered in the following countries:Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Hungary, Iceland, Italy, Luxembourg, Netherlands, Norway, Poland, Portugal, Russia, Slovakia, South Africa, Spain, Sweden and Swi

8、tzerland. The G- CODE/SHOWVIEW system is manufactured under license from Gemstar Development Corporation. G-CODE and SHOWVIEW are different trademarks used to represent the same easy recording feature. However, for simplicity, only the term G-CODE will be used in the instructions. If you use SHOWVIE

9、W system, follow the same steps listed for the G-CODE system. GENERAL Power requirementAC 110 V - 240 V, 50 Hz/60 Hz Power consumption Power on23 W Power off4.5 W Temperature Operating5p pC to 40p pC Storage-20p pC to 60p pC Operating positionHorizontal only Dimensions (W I I H I I D)435 mm I I 93 m

10、m I I 272 mm Weight4.2 Kg FormatVHS PAL/NTSC standard Maximum recording time (SP)240 min. with E-240 video cassette(PAL/MESECAM) 160 min. with T-160 video cassette(NTSC) (LP)480 min. with E-240 video cassette(PAL/MESECAM) (EP)480 min. with T-160 video cassette(NTSC) VIDEO/AUDIO (VHS deck) Signal sys

11、temPAL-type colour signal and CCIR monochrome signal, 625 lines/50 fields NTSC colour and EIA monochrome signal, 525 lines/60 fields. Recording systemDA4 (Double Azimuth) head helical scan system Signal-to-noise ratio45 dB Horizontal resolution250 lines (PAL/MESECAM), 220 lines (NTSC) Frequency rang

12、e70 Hz to 10,000 Hz (Normal audio) 20 Hz to 20,000 Hz (Hi-Fi audio) Input/OutputRCA connectors: IN I I 2, OUT I I 1 VIDEO/AUDIO (DVD deck) Signal systemNTSC 3.58 Applicable discDVD (12 cm, 8 cm), CD (12 cm, 8 cm) Audio characteristicsDVD:4 Hz - 22 KHz Frequency response CD:4 Hz - 20 KHz S/N Ratio90

13、dB Wow and flutterBelow Measurable Level Dynamic range90 dB Output Component-Y(RCA) 1.0 Vp-p/75 Component- PB /PR(RCA) 0.7 Vp-p/75 Audio(RCA) 2 Vrms, 1 K Digital Audio -21 dBm to -15 dBm(peak) TUNER/TIMER(VHS deck) TV channel storage capacity99 positions (+AUX position) Tuning systemFrequency synthe

14、sized tuner Channel coverageVHF(low) : 42 MHz-175 MHz VHF(high) : 175 MHz-470 MHz UHF : 470 MHz-870 MHz Aerial outputUHF channels (Adjustable E28-E60) Program capacity1-year programmable timer / 8 programs Memory backup timeApprox. 10 min. ACCESSORIES Provided accessoriesRF cable, Infrared remote co

15、ntrol unit, R6 battery I I 2 RadioFans.CN 收音机爱 好者资料库 (No.YD055)1-3 SECTION 1 PRECAUTION Please refer to HR-XV48EX No.YD051 about this section. SECTION 2 SPECIFIC SERVICE INSTRUCTIONS Please refer to HR-XV48EX No.YD051 about this section except a written item. 2.1DIFFERENT TABLE OF FEATURE The follow

16、ing table indicates main different points between models HR-XV48EX and HR-XV38SAG. MODEL NAMEHR-XV48EXHR-XV38SAG POWER VOLTAGE220-240V, 50/60Hz110-240V, 50/60Hz POWER SAVEDISPLAY OFF,MENUNOT USED HEAD CLEANERNOT USEDUSED CONNECTOR AND BUTTON COVERNOT USEDUSED SHUTTLE SEARCH(LATCH)-NTSCNOT USEDSPx7,

17、EPx21 VIDEO SYSTEM(VHS)PAL/MESECAM(MANUAL)/NTSC PB on PAL TV with HiFi PAL/MESECAM/NTSC3.58/4.43/NTSC PB on PAL TV with HiFi SQPBPAL(SP/LP)PAL(SP)/NTSC(SP) RECORDING & PLAYBACK SPEEDSP,LPPAL:SP,LP/NTSC:SP,EP REAR L-1 INPUTSCART IN/OUT(RGB)PIN JACK REAR L-2 INPUTSCART(DECODER)NOT USED AV OUTPUTAUDIO(

18、L/R)VIDEO,AUDIO(L/R) COMPORNENT VIDEO OUTPUTNOT USEDDVD:Y/Pb/Pr DVD AUDIO OUTNOT USEDAUDIO (L/R) DVD VIDEO OUTNOT USEDS-OUTPUT BROADCASTING STANDARDB/G,D/KB/G,D/K,I STEREO DECODERNICAM/A2A2(B,G),NICAM(I,B,G,D,K) RF OUT CH/RF OUT SYSTEMINITIAL22-69CH,OFFAUTO/G,K28-6036CH,G,H,K,I AUTO CLOCK / JUST CLO

19、CKUSEDNOT USED VCR PLUS+SHOWVIEWG-CODE/SHOWVIEW AUTO GUIDE CH SETUSEDNOT USED REC LINK / INPUTYES/L-2YES/L-1 VPS/PDCUSEDNOT USED OSD LANGUAGE VHS13 LANGUAGESENGLISH/RUSSIAN/ARABIC OSD LANGUAGE DVDENGLISH/FRENCH/GERMANYENGLISH/CHINESE/SPANISH T-V LINKUSEDNOT USED DVD PROGRESSIVENOT USEDUSED DVD X1.5

20、SPEED PLAYBACKUSEDNOT USED DivXUSEDNOT USED REGIONAL CODEREGIONAL CODE : 2REGIONAL CODE : 3 RadioFans.CN 收音机爱 好者资料库 1-4 (No.YD055) SECTION 3 DISASSEMBLY Please refer to HR-XV48EX No.YD051 about this section. SECTION 4 ADJUSTMENT Please refer to HR-XV48EX No.YD051 about this section except a written

21、item. 4.1Electrical adjustment VHS SECTION Adjustment procedure are changed. 4.1.1Servo circuit 4.1.1.1Slow tracking preset (1) Record the signal (A2) in the mode (B1), and play back the recorded signal. (2) Set the VCR to the manual tracking mode. (3) Set the VCR to the FWD slow (+1/6x) mode. (4) T

22、ransmit the code (F) from the Jig RCU to adjust so that the noise bar becomes the specified value (G) on the TV mon- itor in the slow mode. (5) Set the VCR to the stop mode. (6) Confirm that the noise bar is (G) on the TV monitor in the slow mode. (7) Repeat steps (1) to (6) in the mode (B2). (8) Re

23、cord the signal (A3) in the mode (B1), and play back the recorded signal. (9) Repeat steps (2) to (6) (10) Repeat steps (8) and (9) in the mode (B2). Note: For FWD slow (+1/6x) playback, transmit the code 43-08 from the Jig RCU to enter the slow playback mode. Signal(A1) (A2) (A3) Ext. input Color (

24、colour) bar signal PAL Color (colour) bar signal NTSC Mode(B1) (B2) VHS SP VHS LP (or EP) Measuring point (D)TV-Monitor Adjustment part (F)Jig RCU: Code 43-71 or 43-72 Specified value(G)minimum noise Adjustment tool (H)Jig RCU PTU94023B (No.YD055)1-5 4.2Electrical adjustment (DVD SECTION) 4.2.1Test

25、mode setting method (1) Press POWER button to turn off the unit. (2) Press the following remocon keys continuously within 2seconds SET UP 2 8 ENTER . (3) The unit becomes JIG RCU mode. (4) Press POWER button then press VCR/DVD repeatedly so that the DVD indicator lights up. (5) Press the POWER butto

26、n again to turn off the unit. (6) Transmit the code 43-FA from the Jig RCU. (7) The power supply of the unit turns on automatically then the FDP shows the region number. (8) Each pressing of DISPLAY button of the remote controller in test mode as follows. (9) To release test mode, press POWER key of

27、 the front panel. 4.2.2Method of displayed version of firmware (1) Set the unit to the test mode. (2) The version number is displayed in the monitor screen. - - - - - - - - - - - - 1-6 (No.YD055) 4.2.3Initialization method Please initialize according to the following procedures in the following case

28、: Just after you upgrade the firmware. After you confirm the symptoms that a customer points out. First Initialize, and then confirm whether the symptoms are improved or not. After servicing, before returning the main body to a customer. (Initialized unit should be returned to a customer.) (1) Set t

29、he unit to the test mode. (2) Press PAUSE key of the remote controller or transmit the code 43-6F from the Jig RCU. (3) When initialization is completed, the PLAY (). mark is indicated in the FDP. 4.2.4All-initialization method Please perform all-initialization according to the following procedures

30、in the following case: Just after you exchange the pick-up. Just after you exchange the spindle motor. Just after you exchange the traverse mechanism base. NOTE: Please perform all-initialization when you exchange the parts above and also when you remove the parts above. (1) Set the unit to the test

31、 mode. (2) Press the REVERSE SKIP/INDEX () key of the remote controller for more than 2 seconds. (3) When initialization is completed, the PLAY (). mark is indicated in the FDP. NOTE: After all-initialization, be sure to perform optimization adjustment of Front End parameter. 4.2.5Optimization adjus

32、tment of Front End parameter Adjustment to optimize Front End parameter must be performed in each mechanism assembly of this model for high-speed start- ing.Please perform optimization according to the following procedures just after all-initialization is completed and when FDP shows anything except

33、 0 (For example when FDP shows 1, 2, and 3) at test mode. (1) Set the unit to the test mode. (2) The FDP shows the region number first. (3) Press the DISPLAY key of the remote controller and check that FDP shows the number. (4) Press the DISPLAY key again to return the region number. NOTE: Status of

34、 this adjustment can be judged by the number displayed at test mode as follows: NOTE: As for a disc used for adjustment, Disc should be mounted. (Mounting means to display READ after the disc is inserted and then display the disc informa- tion.) Disc need not be played. If you do not have test disc

35、either VT-501 (DVD) or CTS-1000 (CD-DA), use a commercial disc (for DVD, dual-layer soft- ware) after seeing and checking that the disc is neither curved nor foreseen that it may shake at the time of playback.If you use a disc with bad features, starting time may be slow or disc may not be read. DVD

36、 adjustmentCD adjustmentFDP at test mode AdjustedAdjusted0 Not adjustedAdjusted1 AdjustedNot adjusted2 Not adjustedNot adjusted3 (No.YD055)1-7 4.2.6Upgrading of firmware Firmware update disc supports CD-R media. When firmware update is necessary, information is available from the homepage of DIGITAL

37、 VIDEO STORAGE CATEGORY, CS group. 4.2.6.1Creating an update disc Please check the details of the update disc creation method by JS-NET. (1) Down load the update file from JS-NET. (2) Write the update file into CD-R. Pay attention in the following points when writing the update disc. Make sure to wr

38、ite in Disc at Once. Set the file compatibility to ISO9660 format. 4.2.6.2Update procedure (1) Turn the power ON. Load the update disc on the tray and close the tray. (2) Update of the firmware starts automatically then upgrading status is displayed in the monitor screen. (3) The tray opens automati

39、cally. Remove the upgrade disc. (4) Close the tray then press the POWER button to turn off the unit. (5) Confirm the version of the firmware.in the test mode. 1-8 (No.YD055) SECTION 5 TROUBLESHOOTING Please refer to HR-XV48EX No.YD051 about this section. (No.YD055) VPT Printed in Japan AV & MULTIMED

40、IA COMPANY DIGITAL VIDEO STORAGE CATEGORY 12, 3-chome, Moriya-cho, kanagawa-ku, Yokohama, kanagawa-prefecture, 221-8528, Japan Victor Company of Japan, Limited EN DVD PLAYER & VIDEO CASSETTE RECORDER INSTRUCTIONS HR-XV38SAG HR-XV38SAS - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

41、 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

42、 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - r r - - r r - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -