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

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1、SERVICE MANUAL COPYRIGHT 2005 Victor Company of Japan, Limited No.YD061 2005/5 DVD PLAYER & VIDEO CASSETTE RECORDER YD06120055 HR-XV38SAA,HR-XV38SAS For disassembling and assembling of MECHANISM ASSEMBLY, refer to the SERVICE MANUAL No.86700 (MECHANISM ASSEMBLY). Regarding service information other

2、than these 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 HR-XV38SAA, HR-XV38SAS D5PV1 (AS model) (AA model) RadioFans.CN 收音机爱 好者资料库 1-2 (No.YD061) SPECIFICATION Specifications shown are for SP mode unless otherwise specified. E.& O.E. Design and specifications subject to change without notice. Manufactured u

6、nder license from Dolby Laboratories. Dolby and the double-D symbol 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, Chin

7、a, Hong Kong, Japan, South Korea, New ealand, and Taiwan. SHOWVIEW is a trademark of Gemstar Development Corporation and is registered in the following countries:Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Hungary, Iceland, Italy, Luxembourg, Netherlands, Norway, Poland, Por

8、tugal, Russia, Slovakia, South Africa, Spain, Sweden and Switzerland. The G-CODE/SHOWVIEW sys- tem 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 ter

9、m G-CODE will be used in the instructions. If you use SHOWVIEW system, follow the same steps listed for the G-CODE system (AS MODEL). G-CODE is a registered trademark of Gemstar Development Corporation. The G-CODE system is manufactured under license from Gemstar Development Corporation (AA MODEL).

10、GENERAL Power requirementAC 110 V - 240 V, 50 Hz/60 Hz Power consumption Power on23 W Power off4.5 W Temperature Operating5C to 40C Storage-20C to 60C Operating positionHorizontal only Dimensions (W H D)435 mm 93 mm 272 mm Weight4.2 Kg FormatVHS PAL/NTSC standard Maximum recording time (SP)240 min.

11、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 systemPAL-type colour signal and CCIR monochrome signal, 625 lines/50 fields NTSC colour and

12、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 range70 Hz to 10,000 Hz (Normal audio) 20 Hz to 20,000 Hz (Hi-Fi audio) Input/OutputRCA connec

13、tors: IN 2, OUT 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 dB Wow and flutterBelow Measurable Level Dynamic range90 dB Output Component-Y(RCA) 1.0 Vp-p/75 Co

14、mponent- 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 synthesized tuner Channel coverageVHF(low) : 42 MHz-175 MHz VHF(high) : 175 MHz-470 MHz UHF : 470 MHz-87

15、0 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 control unit, R6 battery 2 RadioFans.CN 收音机爱 好者资料库 (No.YD061)1-3 SECTION 1 PRECAUTION Please refer t

16、o 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 following table indicates main different points between models HR-XV48EX, HR-XV38SAA and HR-XV38SAS. Note: M

17、ark as same as left. MODEL NAMEHR-XV48EXHR-XV38SAAHR-XV38SAS POWER VOLTAGE220-240V, 50/60Hz110-240V, 50/60Hz POWER PLUGCEESAACEE POWER SAVEDISPLAY OFF,MENUNOT USED HEAD CLEANERNOT USEDUSED CINNECTOR AND BUTTON COVERNOT USEDUSED SHUTTLE SEARCH(LATCH)-NTSCNOT USEDSPx7, EPx21 VIDEO SYSTEM(VHS) PAL/MESE

18、CAM(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(L/R)VIDEO,AUDIO(L/R) COMPORNE

19、NT 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,I28-6036CH,G,H,K,I AUTO CLOCK / JUST CLOCKUSEDNOT US

20、ED VCR PLUS+SHOWVIEWG-CODESHOWVIEW AUTO GUIDE CH SETUSEDNOT USED REC LINK / INPUTYES/L-2YES/L-1 VPS/PDCUSEDNOT USED OSD LANGUAGE VHS13 LANGUAGESENGLISHENGLISH/RUSSIAN/ARABIC OSD LANGUAGE DVDENGLISH/FRENCH/GERMANYENGLISHENGLISH/RUSSIAN/ARABIC T-V LINKUSEDNOT USED DVD PROGRESSIVENOT USEDUSED DVD X1.5

21、SPEED PLAYBACKUSEDNOT USED DivXUSEDNOT USED REGIONAL CODEREGIONAL CODE : 2REGIONAL CODE : 4REGIONAL CODE : 2 RadioFans.CN 收音机爱 好者资料库 1-4 (No.YD061) 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

22、except a written 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 (+

23、1/6x) mode. (4) Transmit 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

24、mode (B2). (8) Record 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) E

25、xt. input Color (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.YD061)1-5 4.2Electrical adjustment (DVD SE

26、CTION) 4.2.1Test 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) Pres

27、s the POWER button 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, p

28、ress POWER key of 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. FDP(Example) Becames test mode (Region number) Optimize Front End parameter CD Laser DVD Laser VCR OPENING DISPLAY *_Ver.*_HS/

29、HR_XVC26/* Destination Version of firmware Model name Others 1-6 (No.YD061) 4.2.3Initialization method Please initialize according to the following procedures in the following case: Just after you upgrade the firmware. After you confirm the symptoms that a customer points out. First Initialize, and

30、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 the unit to the test mode. (2) Press PAUSE key of the remote controller or transmit the code 43-6F from the Jig RCU. (3)

31、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 in the following case: Just after you exchange the pick-up. Just after you exchange the spindle motor. Just after you e

32、xchange 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 mode. (2) Press the REVERSE SKIP/INDEX (?) key of the remote controller for more than 2 seconds. (3) When initializati

33、on 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 adjustment of Front End parameter Adjustment to optimize Front End parameter must be performed in each mechanism assembly

34、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 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 re

35、gion 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 this adjustment can be judged by the number displayed at test mode as follows: NOTE: As for a disc used for adjustme

36、nt, 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 either VT-501 (DVD) or CTS-1000 (CD-DA), use a commercial disc (for DVD, dual-layer soft- ware) after seeing and chec

37、king 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 adjustmentCD adjustmentFDP at test mode AdjustedAdjusted0 Not adjustedAdjusted1 AdjustedNot adjusted2 Not adjustedNo

38、t adjusted3 (No.YD061)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 VIDEO STORAGE CATEGORY, CS group. 4.2.6.1Creating an update disc Please check the details of the update disc creatio

39、n 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 write in Disc at Once. Set the file compatibility to ISO9660 format. 4.2.6.2Update procedure (1) Turn the power ON. Loa

40、d 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 automatically. Remove the upgrade disc. (4) Close the tray then press the POWER button to turn off the unit. (5) Confirm the

41、version of the firmware.in the test mode. MONITOR(Example) VERSION UP DISC PROGRAM&DESTINATION MODE CURRENT VERSION 0434 NEW VERSION 4351 READING. SECTOR * NUMBER KEYS SET UP REVERSE SKIP/INDEX PAUSE DISPLAY ENTER 1-8 (No.YD061) SECTION 5 TROUBLESHOOTING Please refer to HR-XV48EX No.YD051 about this

42、 section. (No.YD061) VPT Printed in Japan AV & MULTIMEDIA COMPANY DIGITAL VIDEO STORAGE CATEGORY 12, 3-chome, Moriya-cho, kanagawa-ku, Yokohama, kanagawa-prefecture, 221-8528, Japan Victor Company of Japan, Limited DVD PLAYER & VIDEO CASSETTE RECORDER 200 HR-XV38SAA,HR-XV38SAS For disassembling and

43、assembling of MECHANISM ASSEMBLY, refer to the SERVICE MANUAL No.86700 (MECHANISM ASSEMBLY). Regarding service information other than these sections, refer to the service manutal No. YD051 (HR-XV48EX). Also, be sure to note iportant safety precautions provided in the service manual. HR-XV38SAA, HR-X

44、V38SAS D5PV1 (AS model) (AA model) CD-ROM No.SML200505 COPYRIGHT 2005 Victor Company of Japan, Limited. No.YD061SCH 2005/5 SCHEMATIC DIAGRAMS A 1 2 3 4 5 BCDEFG CHARTS AND DIAGRAMS C955 J902 R929 B902 IC901 R910 R923 Q913 IC902 IC903 Q912 L911 CN915 R945R944 L919 C963 C964 C961 R928 C962 D903 D901 Q

45、908 C956 R940 R939 C914 C901 R968 C954 C960 L916 C930C940C941 R930 R916R926 R917 R914 R915 R925 C917C916 L906 L907 L909 Q902 J901 C937 R970 C942 C950 C951 C952 R918 L917 R969 L910 CN913 L920 C932 C980 C920 C921 C946 C947 C939 C7702 C948 B901 C904C905 C949 C915 L902 L901 L904 L905 C965 R924 C945 Q904

46、 Q901 C943 B904 Q903 R902 R904 D904 C944 C7732 R903 R901 C959 Q907 R920 R921 C7701 Q909 C7704 C7703 C966 L7702 L7701 J7002J7002J7002 J7004J7004 Q919 J7005 Q921 Q922 R937 C953 R922 R909 C902 C903 R7708 L903 C995 C918 C919 R927 L908 C968 L914 C957 C7731 R7741 R7740 R7739 C7734 CN914 C7733 R7704 R7705

47、Q917 Q918 R961 R951 R952 C7706C7705 C7708C7707 L7704 L7703 R7710 R7711 L7732 L7731 R7735 R7736 J7005J7005 J7003 J7007J7007J7007 R960 R919 D902 R7703 R956 R954 R959R958 R7731 R7732C970 C969 C967 C981 C982 C983 L918 R999 B903 R912 R913 R941 R942 R943 C924 C925 C908 C909 C926 C929 C927 C928 C910 C911 C

48、913 C923 C912 C906 C922 R911 R950 R949 C907 330 10 47 0.01 470.01 47 100 0 1 0.01 0.011110 0 4.7 10 0 10 11 100 100 75 330 47 75 75 75 0 0 220 2.2k 2.2k 100 100 0 0 100 100 0 0 220 75 100 100 330330 75 750.01 330 0.01 330 330 330 10 10k 10k p10736001a_rev0 TERMINAL(I/O) SCHEMATIC DIAGRAM 2-12-2 A 1

49、2 3 4 5 BCDEFG K102 CN101 TP351 R126 Q102 Q104 K101 R104 R112 Q101 Q103 R319 IC301 C908 R341 CN301 TP317 C107 R122 R119 R107R115 C306 IC302 C317 TP305 R362 R361 R123 C307 C311 R390 C910 C315 C907 IC201 TP350 R120 C356 R340 TP99 R333 R213 C211 C316 C212 C260 C261 C262 C253 TP330 C340 R255 C255 R207 R206 C206 C205 R204 C339 R208 C208 C312 C101 R378 R379 R395 TP98 C341 C313 TP319 TP328 C343 Q105 R337 R336 C378 R335 R334 C344 C345 C346 X351 C326 TP320 TP321 TP322 TP323 R343 C325 R315 R316 R318 R317 R392 R391 C391 R342 R321 C31