Aiwa-XDVH2450-Service-Manual 电路图 维修手册.pdf

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1、SERVICE MANUAL DATA DVD STEREO SYSTEM BASIC TAPE MECHANISM : 2ZM-3MK2 PR4NM BASIC DVD MECHANISM : AZG-D ZFAPAM XR-DVH2450HC S/M Code No. 09-00A-437-2R1 REVISION This Service Manual is the Revision Publishing and replaces Simple Manual XR-DVH2450 (HC), (S/M Code No. 09-009-437-2T1). If requiring info

2、rmation about the DVD mechanism, see Service Manual of AZG-D ZFAPAM, (S/M Code No. 09-00A-350-6N2). XR-DVH2450 DVD/CD PLAYER SYSTEM STEREO RECEIVER REMOTE CONTROLLER SX-NDPH2100 SX-C2700 SX-R2700 MX-NDVH2450 DX-NDVH2450 CASSETTE DECK GRAPHIC EQUALIZER SPEAKERS FX-NDVH2450GE-NDVH2450RC-AAS03 RadioFan

3、s.CN 收音机爱 好者资料库 2 PROTECTION OF EYES FROM LASER BEAM DURING SERVICING .3 PRECAUTION TO REPLACE OPTICAL BLOCK .3 SPECIFICATIONS .4 ACCESSORIES / PACKAGE LIST .5 MODEL NO. MXNDVH2450 ELECTRICAL MAIN PARTS LIST .6 10 TRANSISTOR ILLUSTRATION .11 WIRING 1 (MAIN / VM / CONN 10P) .12 SCHEMATIC DIAGRAM 1 (M

4、AIN / VM / CONN 10P) .13 WIRING 2 (FRONT) .14 SCHEMATIC DIAGRAM 2 (FRONT) .15 WIRING 3 (TUNER) .16 SCHEMATIC DIAGRAM 3 (TUNER) .17 WIRING 4 (SUB TRANS / AC1 H / AC1 SW / AC2) .18 SCHEMATIC DIAGRAM 4 (SUB TRANS / AC1 H / AC1 SW / AC2).19 WIRING 5 (PRO LOGIC) .20 SCHEMATIC DIAGRAM 5 (PRO LOGIC).21 FL

5、(10-BT-218GNK) GRID ASSIGNMENT AND ANODE CONNECTION .22 IC BLOCK DIAGRAM.23, 24 IC DESCRIPTION .25, 26 ADJUSTMENT .27 MECHANICAL EXPLODED VIEW 1 / 1. 28 MECHANICAL PARTS LIST 1 / 1 .29 MODEL NO. DXNDVH2450 ELECTRICAL MAIN PARTS LIST .30 TRANSISTOR ILLUSTRATION .31 WIRING (MAIN / FRONT / KEY / CONN)

6、.32 SCHEMATIC DIAGRAM (MAIN / FRONT / KEY / CONN).33 FL (10-BT-232GNK) GRID ASSIGNMENT AND ANODE CONNECTION .34 IC DESCRIPTION .35, 36 MECHANICAL EXPLODED VIEW 1 / 1.37 MECHANICAL PARTS LIST 1 / 1 .38 MODEL NO. FXNDVH2450 ELECTRICAL MAIN PARTS LIST .39, 40 TRANSISTOR ILLUSTRATION .41 WIRING 1 (MAIN

7、/ FRONT-1 / FRONT-2) .42 SCHEMATIC DIAGRAM (MAIN / FRONT-1 / FRONT-2 / DECK / HEAD-1 / HEAD-2) .43 WIRING 2 (DECK / HEAD-1 / HEAD-2) .44 IC BLOCK DIAGRAM.45 IC DESCRIPTION .46, 47 ADJUSTMENT .48 MECHANICAL EXPLODED VIEW 1 / 1.49 MECHANICAL PARTS LIST 1 / 1 .50 TAPE MECHANISM EXPLODED VIEW 1 / 1 .51

8、TAPE MECHANISM PARTS LIST 1 / 1 .52 MODEL NO. GENDVH2450 ELECTRICAL MAIN PARTS LIST .53 TRANSISTOR ILLUSTRATION .54 WIRING (MAIN) .55 SCHEMATIC DIAGRAM (MAIN).56 FL (BJ699GK) GRID ASSIGNMENT AND ANODE CONNECTION.57 IC BLOCK DIAGRAM.58 IC DESCRIPTION .59 MECHANICAL EXPLODED VIEW 1 / 1.60 MECHANICAL P

9、ARTS LIST 1 / 1 .61 GENERAL SPEAKER DISASSEMBLY INSTRUCTIONS (FOR REFERENCE) .62 SPEAKER PARTS LIST.63 TABLE OF CONTENTS RadioFans.CN 收音机爱 好者资料库 3 CLASS 1LASER PRODUCT KLASSE 1LASER PRODUKT LUOKAN 1LASER LAITE KLASS 1LASER APPARAT This set employs laser. Therefore, be sure to follow carefully the in

10、structions below when servicing. WARNING! WHEN SERVICING, DO NOT APPROACH THE LASER EXIT WITH THE EYE TOO CLOSELY. IN CASE IT IS NECESSARY TO CONFIRM LASER BEAM EMISSION. BE SURE TO OBSERVE FROM A DISTANCE OF MORE THAN 30cm FROM THE SURFACE OF THE OBJEC- TIVE LENS ON THE OPTICAL PICK-UP BLOCK. sCaut

11、ion: Invisible laser radiation when open and interlocks defeated avoid exposure to beam. sAdvarsel: Usynlig laserstling ved bning, nr sikkerhedsafbrydere er ude af funktion. Undg udsttelse for strling. VAROITUS! Laiteen Kyttminen muulla kuin tss kyttohjeessa mainitulla tavalla saataa altistaa kyt-tj

12、n turvallisuusluokan 1 ylittvlle nkymttmlle lasersteilylle. VARNING! Om apparaten anvnds p annat stt n vad som specificeras i denna bruksanvising, kan anvndaren utsttas fr osynling laserstrlning, som verskrider grnsen fr laserklass 1. PROTECTION OF EYES FROM LASER BEAM DURING SERVICING CAUTION Use o

13、f controls or adjustments or performance of proce- dures other than those specified herin may result in hazardous radiation exposure. ATTENTION Lutillisation de commandes, rglages ou procdures autres que ceux spcifis peut entraner une dangereuse exposition aux radiations. ADVARSEL Usynlig laserstlin

14、g ved bning, nr sikkerhedsafbrydereer ude af funktion. Undg udsttelse for strling. This Compact Disc player is classified as a CLASS 1 LASER product. The CLASS 1 LASER PRODUCT label is located on the rear exterior. Precaution to replace Optical block (SF-HD3AV) Body or clothes electrostatic potentia

15、l could ruin laser diode in the optical block. Be sure ground body and workbench, and use care the clothes do not touch the diode. 1) After the connection, remove solder shown in right figure. Solder short land for DVD laser diodeSolder short land for CD laser diode PICKUP ASSY PWB RadioFans.CN 收音机爱

16、 好者资料库 4 SPECIFICATIONS Tuning range87.5 MHz to 108 MHz Usable sensitivity (IHF)16.8 dBf Antenna terminals75 ohms (unbalanced) Tuning range531 kHz to 1602 kHz (9 kHz step) 530 kHz to 1710 kHz (10 kHz step) Usable sensitivity350 V/m AntennaLoop antenna Tuning range5.900 MHz to 17.900 MHz AntennaWire

17、antenna Power outputFront Rated: 65 W + 65 W (1 kHZ, T.H.D.1%, 6 ohms) Reference: 80 W + 80 W (1 kHZ, T.H.D.10%, 6 ohms) Rear (Surround) Rated: 20 W + 20 W (1 kHZ, T.H.D.1%, 8 ohms) Reference: 25 W + 25 W (1 kHZ, T.H.D.10%, 8 ohms) Center Rated: 20 W (1 kHz, T.H.D 1%, 8 ohms) Reference: 25 W (1 kHz,

18、 T.H.D 10%, 8 ohms) Total harmonic distortion0.12 % (8 W, 1 kHz, 6 ohms, DIN AUDIO) InputsVIDEO/AUX: 310 mV (adjustable) MD: 310 mV (adjustable) MIC 1, MIC 2: 1.2 mV (10 kohms) OutputsLINE OUT: 175 mV VIDEO OUT: 1.0 Vp-p (75 ohms) SPEAKERS: accept speakers of 6 ohms or more SURROUND SPEAKERS: accept

19、 speakers of 8 ohms to 16 ohms CENTER SPEAKER: accepts speakers of 8 ohms to 16 ohms PHONES (stereo jack): accepts headphones of 32 ohms or more Power requirements120 V/220 V - 230 V/240 V AC switchable, 50/60 Hz Power consumption170 W Dimensions of main unit284 x 122 x 337 mm (W x H x D) Weight of

20、main unit6.8 kg LaserSemiconductor laser DVD video discs: = 650 nm Compact discs: = 780 nm D-A converter1 bit dual Signal-to-noise ratio85 dB (1 kHz, 0 dB) Harmonic distortion0.05 % (1 kHz, 0 dB) Signal formatPAL/NTSC color system (selectable) Supported discsDVD video discs 12 cm (single-sided singl

21、e layer, single-sided double layer, double-sided double layer) 8 cm (single-sided single layer, single-sided double layer, double-sided double layer) Compact discs (CD-DA, CD-R, CD-RW, Video CD) 12 cm and 8 cm discs S-VIDEO OUTY output: 1 Vp-p (75 ohms,unbalanced) C output: 0.286 Vp-p VIDEO OUTVideo

22、 composite output 1 Vp-p (75 ohms,unbalanced) one RCA jack Operating conditions5 0C to 35 0C (41 0F to 95 0F) Dimensions of main unit284 x 101 x 315 mm (W x H x D) Weight of main unit3.3 kg Track format4 tracks, 2 channels stereo Frequency responseType II (high/CrO2) tape: 50 Hz 16000 Hz Type I (nor

23、mal) tape: 50 Hz 15000 Hz Signal-to-noise ratio60 dB (Dolby B NR ON, Type II tape peak level) Recording systemAC bias, AC erase HeadsDeck 1: Playback head x 1 Deck 2: Recording/playback head x 1 erase head x 1 Dimensions of main unit284 x 122 x 315 mm (W x H x D) Weight of main unit2.0 kg Dimensions

24、 of main unit284 x 101 x 328 mm (W x H x D) Weight1.7 kg Cabinet type3 way (magnetic shielded type) SpeakersWoofer: 140 mm cone type x 2 Tweeter: 60 mm cone type Super tweeter: 20 mm ceramic type Impedance6 ohms Output sound pressure level 88 dB/W/m Dimensions (W x H x D)250 x 443 x 250 mm Weight7.0

25、 kg Speaker systemFull range: 100 mm cone type x 2 Impedance8 ohms Output sound pressure level 87 dB/W/m Dimensions (W x H x D)120 x 230 x 110 mm Weight1.2 kg Speaker systemFull range: 100 mm cone type x 2 Impedance8 ohms Output sound pressure level 87 dB/W/m Dimensions (W x H x D)360 x 120 x 110 mm

26、 Weight1.9 kg Design and specifications are subject to change without notice. Manufactured under license from Dolby Laboratories Licensing Corporation. “DOLBY”, the double-D symbol and PRO LOGIC are trademarks of Dolby Laboratories Licensing Corporation. The word BBEand the BBE symbol are trademarks

27、 of BBE Sound, Inc. Under license from BBE Sound,Inc. Manufactured under license from Digital Theater Systems, Inc. US Pat. No. 5,451,942 and other worldwide patents issued and pending. DTS and DTS Digital Surround are trademarks of Digital Theater Systems Inc. C1996 Digital Theater systems, Inc. Al

28、l rights reserved. 5 DESCRIPTIONREF. NO.KANRI NO. PART NO. ACCESSORIES / PACKAGE LIST 1 8A-DJV-701-010 RC UNIT,RC-AAS03 2 8A-SAM-911-010 IB,H(EC-K)M 3 87-006-226-010 AM-LOOP ANT C0 4 87-043-115-010 ANT,FEEDER FM 5 87-050-103-010 CORD,PIN 1PY1.5M 6 87-A90-119-010 ANT,WIRE SW(5M) 7 87-A91-015-010 PLUG

29、,CONVERSION JT-0475A ! 6 ELECTRICAL MAIN PARTS LIST DESCRIPTIONREF. NO.KANRI NO. PART NO.DESCRIPTIONREF. NO.KANRI NO. PART NO. MODEL NO. MX-NDVH2450 IC 8A-SAM-601-010 C-IC,UPD780228GF-065-38A 87-A20-914-010 IC,SPS-442-1-F 87-A21-202-040 C-IC,M62445AFP 87-A21-419-040 C-IC,NJM14558MD-TE2 87-A20-804-04

30、0 C-IC,NJM2152M 87-A20-869-040 C-IC,M62449FP 87-070-127-110 IC,LC72131 D 87-A20-913-010 IC,LA1837NL 87-A21-051-040 C-IC,BU9990-03FS 87-A21-097-040 C-IC,M62463AFP 87-A21-419-080 C-IC,NJM14558MD-TE2 87-A21-015-040 C-IC,M62491FP TRANSISTOR 87-026-245-080 TR,DTC114ES 87-026-610-080 TR,KTC3198GR 87-A30-076-080 C-TR,2SC3052F 87-A30-083-080 TR,CSD1489B