Kenwood-RXD355-cs-sm 电路图 维修手册.pdf

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1、MINI HiFi COMPONENT SYSTEM RXD-355/355-H/355E RXD-355E-H/355M/355M-H SERVICE MANUAL (XD-355)* In compliance with Federal Regulations, following are repro- duction of labels on, or inside the product relating to laser prod- uct safety. KENWOOD-Crop. certifies this equipment conforms to DHHS Regulatio

2、ns No.21 CFR 1040. 10, Chapter 1, subchapter J. DANGER : Laser radiation when open and interlock defeated. AVOID DIRECT EXPOSURE TO BEAM. *Refer to page 2 if you want to know system configuration. * Refer to parts list on page 30. 2001-6 PRINTED IN KOREA B51-5739-00 (K/K) 2340 Panel assy * (A60-) Kn

3、ob(VOLUME) (K29-8047-08) Dress ring (A21-3966-08) Panel(CD) (A60-2090-08) FL panel * (B10-) Cassette lid(R) (A21-3959-08) Cassette lid(L) (A21-3958-08) 70% RadioFans.CN 收音机爱 好者资料库 SYSTEMMAIN UNITDESTINATIONSSPEAKERS XD-355RXD-355E,TLS-N30S XD-355RXD-355MM,XLS-N30S XD-355ERXD-355EE2LS-N30S XD-355E-HR

4、XD-355E-HE3LS-N30S-H XD-355-HRXD-355M-HM1,X1,Y1LS-N30S-H XD-355-HRXD-355-HE1LS-N30S-H AM Loop Antenna(1) (T90-0879-08) “AA” size battery (UM/SUM-3, R6, HP-7 or similar)(2) Remote Control(1) (A70-1531-08): MM1XX1 (A70-1537-08): EE1E2E3T FM Antenna(1) (T90-0883-08) Use to adapt the plug on the power c

5、ord to the shape of the wall outlet. (Accessory only for regions where use is necessary.) AC Plug Adaptor (1) (E03-0115-05) RXD-355 2 CONTENTS / ACCESSORIES CONTENTS / ACCESSORIES . 2 EXTERNAL VIEW.3 DISASSEMBLY FOR REPAIR.4 BLOCK DIAGRAM .8 CIRCUIT DESCRIPTION.9 ADJUSTMENT.15 PC BOARD .16 SCHEMATIC

6、 DIAGRAM . 20 EXPLODED VIEW .28 PARTS LIST.30 SPECIFICATIONS .Back cover Contents Accessories CLASS 1 LASER PRODUCT The marking this product has been classified as Class 1. It means that there is no danger of hazardous radiati outside the product. CautionsSystem Configuration RadioFans.CN 收音机爱 好者资料库

7、 RXD-355 3 EXTERNAL VIEW ANTENNA AM LOOP FM 75 VIDEO /AUX SPAN SELECTOR 230V 240V FM 50kHz AM 9kHz FM 100kHz AM 10kHz + - - L SPEAKERS RATED SPEAKER IMPEDANCE: 6 OHMS MIN.R LR Cabinet(TOP) (A02-3014-08) FM Antenna (E70-0145-08) Lock terminal board (E70-0151-08) AC power cord bushing (J42-0338-08) AC

8、 power cord (E30-2881-08) Pin jack (E63-1219-08) RadioFans.CN 收音机爱 好者资料库 Caution on Disassembly Follow the below-mentioned notes when disassembling the unit and reassembling it, to keep it safe and ensure excellent performance: 1. Take cassette tape and compact disc out of the unit. 2. Be sure to re

9、move the power supply plug from the wall outlet before starting to disassemble the unit. 3. Take off nylon bands or wire holders where they need be removed when disassembling the unit. After servicing the unit, be sure to rearrange the leads where they were before disassembling. 4. Take suffcient ca

10、re on static electricity of integrated circuits and other circuits when servicing. Figure 7-2 Figure 7-3 1Top Cabinet1. Screw . (A1) x47-1 2Side Panel1. Screw . (B1) x87-1 (Left/right) 3CD Player Unit/1. Turn on the power supply,7-2 CD Tray Cover open the disc tray, take out the CD cover, and close.

11、 (Note 1) 2. Screw . (C1) x1 3. Hook. (C2) x3 4. Hook. (C3) x2 5. Socket . (C4) x2 4Rear Panel1. Screw . (D1) x97-2 5Main PWB1. Screw . (E1) x17-2 2. Socket . (E2) x38-2 3. Flat Cable . (E3) x1 4. Tip Wire. (E4) x1 6Power Supply PWB1. Flat Wire. (F3) x18-3 7Display PWB1. Screw .(H1) x98-3 2. Socket

12、. (H2) x1 8Tape Mechanism1. Open the cassette holder.8-3 2. Screw. (J1) x5 9Headphones PWB1. Screw . (K1) x18-3 10Turntable1. Hook. (L1) x28-4 2. Cover . (L2) x1 11Disc Tray1. Turn fully the lock lever in the7-3 arrow direction. 2.While holding the lock lever,rotate8-1 the cam gear until the cam gea

13、r rib engages with the clamp lever. 3. Push the slide holder backward to8-5 engage the claw with the groove and remove it in the direction of the arrow. .(M1) x6 12CD Servo PWB1. Screw . (N1) x18-6 (Note 2)2. Hook. (N2) x2 3. Socket . (N3) x4 13CD Mechanism1. Hook. (P1) x29-1 2. Hook. (P2) x3 14Load

14、ing Motor PWB1. Hook. (Q1) x59-1 STEPREMOVALPROCEDUREFIGURE Figure 7-1 (B1)x4 3x10mm (B1)x2 3x10mm Rear Panel (B1)x2 3x10mm Side Panel (Right) Side Panel (Left) (A1)x2 3x12mm (A1)x2 3x12mm Top Cabinet (E1)x1 3x10mm (C3)x1 (D1)x2 3x10mm (C1)x1 3x10mm (D1)x7 3x10mm CD Player Unit DC Tray Cover Rear Pa

15、nel Pull (C3) x1 (C4)x2 (C2) x3 1 1 2 Main PWB CD Servo PWB Note 1: How to open the changer manually. (Fig. 7-3) 1. In this state, turn fully the lock lever in the arrow direction through the hole on the loading chassis bottom. 2. While holding the lock lever, rotate the cam gear anticlockwise until

16、 the cam gear rib engages with the clamp lever. (Fig. 8-1) 3. After that, push forward the CD slide holder. Note 2: 1. After removing the connector for the optical pickup from the connector, wrap the conductive aluminium foil around the front end of the connector so as to protect the optical pickup

17、from electrostatic damage. Note 3: 1. Be careful not to break the claw of the CD mechanism. 2. When fining back the cam gear assembly, let it lock by front movement. LOCK LEVER DISASSEMBLY FOR REPAIR RXD-355 4 RXD-355 5 Figure 8-1 Figure 8-2 Figure 8-3 Figure 8-4 Figure 8-5 Figure 8-6 CLAMP LEVER CA

18、M GEAR RIB (E3)x1 (E4)x1 (E2)x2 Main PWB (H1)x9 3x10mm (H2)x1 (J1)x5 3x10mm (K1)x1 3x10mm (F3)x1 Display PWB Headphones PWB Open Cassette Holder Tape Mechanism Turntable Disc Tray (L2) x1 CD Player Unit (L1) x2 1 3 2 (M1) x3 (M1) x3 (N3) x2 (N2) x2 (N3) x2 CD Servo PWB CD Player Base (N1)x1 3x8mm DI

19、SASSEMBLY FOR REPAIR RXD-355 6 DISASSEMBLY FOR REPAIR Figure 9-1 (P2) x3 (P1) x1 (Q1) x5 (P1) x1 Loading Motor PWB CD Mechanism REMOVING AND REINSTALLING THE MAIN PARTS TAPE MECHANISM SECTION Perform steps 1 to 7 and 9 of the disassembly method to remove the tape mechanism. How to remove the record/

20、playback and erase heads (TAPE 2) (See Fig. 10-1) 1. When you remove the screw (A1) x 2 pcs., the recording/ playback head and three-dimensional head of the erasing head can be removesd. How to remove the playback head (TAPE 1) (See Fig. 10-2) 1. When you remove the screw (B1) x 2 pcs., the playback

21、 head. How to remove the pinch roller (TAPE 1/2) (See Fig. 10-3) 1. Carefully push the inside claw to remove it. The pinch roller pawl in the direction of the arrow , and remove the pinch roller (C1) upwards. Note: When installing the pinch roller, pay attention to the spring mounting position. How

22、to remove the belt (TAPE 1) (See Fig. 10-4) 1. Remove the main belt (D1) x 1 pc., from the motor side. 2. Remove the FF/REW belt (D2) x 1 pc. Figure 10-1 Figure 10-2 Figure 10-3 (A1)x2 2x9mm TAPE2 Record/Playback Head Erase Head (B1)x2 2x9mm TAPE1 Playback Head Pinch Roller (C1)x1 STEP1STEP2 RXD-355

23、 7 How to remove the pickup (See Fig. 11-2) 1. Remove the stop washer (B1) x 1 pc., to remove the gear (B2). 2. Remove the screws (B3) x 2 pcs., to remove the shaft (B4). 3. Remove the pickup. Figure 11-2 CD MECHANISM SECTION Perform steps 1, 2, 3, 11 and 14 of the disassembly method to remove the C

24、D mechanism. How to remove the loading motor (See Fig. 11-1) 1. Bend the hooks (A1) x 5 pcs., to remove the loading motor. Figure 11-1 Note After removing the connector for the optical pickup from the connector wrap the conductive aluminium foil around the front end of connector so as to protect the

25、 optical pickup from electrostatic damage. (A1)x2 (A1)x1 Loading Moter CD Base (A1)x2 (B3) x2 2.6 x6mm Shaft (B4) x1 Stop Washer (B1) x1 Gear (B2) x1 CD Mechanism Pickup How to remove the belt (TAPE 2) (See Fig. 10-4) 1. Remove the main belt (E1) x 1 pc., from the motor side. 2. Remove the FF/REW be

26、lt (E2) x 1 pc. How to remove the motor (See Fig. 10-5) 1. Remove the screws (F1) x 2 pcs., to remove the motor. Figure 10-4 Figure 10-5 TAPE2TAPE1 Main Belt (D1)x1 TAPE2 Main Belt (E1)x1 TAPE1 Main Belt FF/REW Belt (E2)x1 FF/REW Belt (D2)x1 Motor Motor (F1) x2 2.6x5mm Motor DISASSEMBLY FOR REPAIR R

27、XD-355 8 2 6 7 4 8 1 5 3 22 23 21 14 4 1 2 9 5 17 16 OUT IN GND VCC MPX IN AM OSC IN AM OSC OUT AM RF IN 5 3 4 21 20 1 15 22 16 6 OSC 1 3 2 9 10 7 16 15 13 12 14 11 R L R L R L R L 17 3 +B4 FM OSC AM IN FM IN FM OSC FM+B 21 4 R L 8 18 AUX TAPE CD TUNER L R 23 +B4 R L 24 2 3 4 6 9 16 T1/T2 REC 13 4 5

28、 7 18 VCC 1 +B3 +B3 23 14 12 21 20 P.B H/N 17 8 15 19 NOR/ HIGH T1/T2 +B4 L R L R 10 L NF R NF ALC REF R REC R NF L REC POP REDUCE R(T2) L NF R(T1) L(T2) L(T1) +B4 +B4 REC VH+VH- 15 1 R L 9 13 7 10 8 R-OUT L-OUT SP.DET. 12-14 25-36 15-24 4-11 1,2 38,39 10 6 7-9 1 2 21 56 58 59 57 55 54 49 50 48 47 4

29、6 43 42 67-78 79 80-89 90-92 93-100 52 53 51 45 44 41 40 38 39 36 37 25 33-31 34 35 11 16 13 12 17-20 +B7 +B7 +B7 +B7 +B7 VDD VLOAD RESET VDO 22 23 24 CE CL DO DI VDD AVDD +B6 BIAS T1/T2 REC 1 2 3 +B7 +B3 +B6 - - + + R-CH L-CH +B1 M12V +B2 A10V VF2 +B4 63Hz 30 7 -B2 4 1 8 10Hz1K 29 28 VF1 +5V CD+B +

30、B3 T1/T2 P.B REC P.B 4 5 TV FM IF IN REG 3 +B4 8 19 20 18 FM/AM OUT 15 L R 12 11 1012 IF IN 136SD 1013FM MONO/ST 117STEREO MONO/ST IF OUT 24 IN OUT AFC AM RF IN +B4 17FM +B4 6 CE DI CL DO 16 2 4 8 3 7 15 14 13 11 10 9 63-66 MPX IN VSSA VDDA RDS-ID RDCL RDDA RST XIN VDDD VSSD XOUT AM RF 31 31 31 2 PO

31、WER AMP. IC901 TERMINAL AM LOOP ANT FM FRONT END FE301 CF301 FM IFFM IF COVERAGETRACKING AMAM BAND T303T306 T351 IC303 FM/AM IF MPX. LA1832S X351 456kHz PLL(TUNER) LC72131 IC302 4.5MHz X352 Q360 CNS11 from CD SECTION CNP1 LC75341 IC401 AUDIO SO401 VIDEO/ M IC101 Q703 Q704 Q705 54PIN IC700 IC700 56PI

32、N 53PIN IC700 55PIN IC700 MOTOR DRIVER TAPE MECHANISM ASSEMBLY SOLM1,SOLM2 SOLENOID MM1 MOTOR TAPE SWM2 T2 PLAY R.PLAY SWM4 SWM1 T1 PLAY SWM3 F.PLAY AN7345K /PLAYBACK AMP. PLAYBACK Rch Lch Rch Lch TAPE 1 TAPE2 PB HEAD REC/PB HEAD SWITCHING Q103-106 SWITCHING 108 AC BIAS Q111 Q109 Q113 Q110 SWITCHING

33、 Q121,122 MUTING SWITCHING ERASE HEAD Q114,L104 BIAS OSC SWITCHING Q112 BIAS AM IF -20dB ATT SYSTEM MUTE 604402 Q901- FL701 DISPLAY IC700(1/2) SYSTEM UPD780206 708 Q706- MICROCOMPUTER Q700 RESET XL701 4.1943MHz VR701 JOG RX701 SENSOR REMOTE KEY0-2 to CD SECTION JK981 HEADPHONES M M901 FAN MOTOR Q971

34、 DRIVER Q951 RL951 SO901 TERMINAL SPEAKER T801 TRANSFORMER F801 T4A L 250V F802 T4A L 250V D809 D802-805 Q813 F803 T2AL 250V KIA7810AP REGULATOR VOLTAGE IC812 ZD810 T2AL 250V F804 KIA4558 MICROCOMPUTER IC700(2/2) OPE AMP. 562 SYSTEM UPD780206 IC811 Q875 D801 D872-875 T802 SUB POWER TRANSFORMER RL801

35、 AC POWER SUPPLY CORD AC 230V 50Hz UNSWITCH 5V VOLTAGE MAIN POWER AUX IN AND RECORD Q107, PROCESSOR Q603,Q401, IC561, 904 ANTENNA SO301A Q301 AMP FM IF CF302 FM IF CF351 L.P.F L354 QT21 AMP L341 BALUN REGULATOR LC72723 IC304 4.332MHz XT21RDS DECODER STK402-070 D876 D831 KIA7805AP VOLTAGE REGULATOR R

36、EGULATOR CONSTANT AN78L05 IC852 VOLTAGE FILTER LINE L801 SOCKET AC INPUT SO801 RXD-355 BLOCK DIAGRAM RXD-355 9 CIRCUIT DESCRIPTION Port No.Port NameI/OFunction 1VDD-POWER SUPPLY(+5V) 2-20dB ATTO-20dB ATTENUATION 3NO USE/DSA STB-GND 4T BIASODECK BIAS CONTROL 5T T1/T2ODECK T1/T2 CHANGE OVER 6REC/PLAYO

37、DECK RECORDING/PLAYBACK CHANGE OVER 7RES OUTOCD DSP REQUEST 8DRFICDRF LEVEL DETECTION 9WRQICD DSP WRITE REQUEST 10REQUESTIRESET SIGNAL INPUT 11X2OMAIN CLOCK OUTPUT 12X1IMAIN CLOCK INPUT 13VPP/IC-GND 14XT2-OPEN 15SPN-OPEN 16VDD-POWER SUPPLY(+5V) 17CD CLKOCD DSP CLOCK 18CD DIOCD DSP COMMAND 19CD DOICD

38、 DSP CODE Q INPUT 20CD CEOCD DSP CE OUTPUT 21CEOCHIP ENABLE OUTPUT 22CLKOCLOCK OUTPUT 23DIODATA OUTPUT 24DOIDATA INPUT 25AVSS-GND 26O/C SW/DSA DATAICD OPEN CLOSE SWITCH INPUT 27 NO USE/DSA ACK /TUN SM ITUNER SIGNAL METER INPUT 28SPEANA 2ISPEANA DATA INPUT(16kHz) 29SPEANA 1ISPEANA DATA INPUT(1kHz) 30

39、SPEANA 0ISPEANA DATA INPUT63kHz) 3133KEY2KEY0IKEY INPUT 34AVDD-ANALOG POWER SUPPLY 35AVREF-ANALOG REFERENCE VOLTAGE 36P INIPOWER FAILURE DETECTION 37,38JOG1,0IJOG VOLUME INPUT 1, 0 39REMOCONIREMOTE CONTROL SIGNAL INPUT 40VSS-GND 41SMUTEOSYSTEM MUTE CONTROL 42T SOL BODECK2 SOLENOID CONTROL 43T SOL AO

40、DECK1 SOLENOID CONTROL 44T MOTORODECK MOTOR CONTROL 45TIMER LEDOTIMER LED CONTROL 46VDD-POWER SUPPLY(+5V) 47AC RLY CONT.OAC RELAY CONTROL 48SP RLYOSPEAKER OUTPUT RELAY CONTROL 49SP DETISPEAKER OUTPUT DETECTION 50T1 RUNIDECK1 REEL SENSOR DETECTION PORT 51T2 RUNIDECK2 REEL SENSOR DETECTION PORT 52CD C

41、LAMP SWICD CHANGER CLAMP SWITCH INPUT 53PLAY SW AIDECK PLAY SWITCH A INPUT 54PLAY SW BIDECK PLAY SWITCH B INPUT 55FPAIDECK FORWARD RECORDING SWITCH INPUT 56FPBIDECK REVERSE RECORDING SWITCH INPUT 57MIC IN-OPEN 1. Port Description of Microprocessor RXD-355 10 CIRCUIT DESCRIPTION Port No.Port NameI/OF

42、unction 58MP3 LED-OPEN 59DESTOUTODISCRIMINATION PORT FOR DESTINATION 60STANDBY LEDOSTANDBY LED CONTROL 61KARAOKE LATCH-OPEN 62NO USE/MPEG POW-CONNECTED TO GROUND 63RDS RSTORDS RAM RESET 64RDS RDDAIRDS TRANSMIT DATA INPUT 65RDS RDCLORDS CLOCK 66RDS READYIREADY DATA INPUT 6770 P22P19OFL DISPLAY CONTRO

43、L PORT DEST3DEST0IDESTINATION INPUT PORT 7178P18P11OFL DISPLAY CONTROL PORT 79VLOAD-FL DRIVER POWER SUPPLY(-30V) 8089P10P1OFL DISPLAY SEGMENT CONTROL PORT 90100G11G1OFL DISPLAY GRID CONTROL PORT Port No.Port NameI/OFunction 1TOICH2 inverted input. 2FDICH1 inverted input. 3NCOUnused. 4FO+OCH1inverted

44、 output. 5FO-OCH1 non-inverted output. 6TR+OCH2 inverted output. 7TR-OCH2 non-inverted output. 814GND-GND 15SL-OCH3 non-inverted output. 16SL+OCH3 inverted output. 17SLDOICH3 inverted input. 18VCC-Power supply 1 (CH1, CH2, CH3). 19STANDBYISTANDBY signal input. 20VREF-CH1CH4 reference voltage input.

45、21MUTEIMute signal input (CH6). 22GND-GND 23VCC-Connected to power supply. 24VCC2-Power supply 2 (CH4). 25SPDICH4 inverted input. 26SP+OCH4 inverted output. 27SP-OCH4 non-inverted output. 28VCC3-Power supply 3 (CH5). 2935GND-GND 36,37NCOUnused. 38M-OCH6 non-inverted output. 39M+OCH6 inverted output.

46、 40VCC4-Power supply 4 (CH6). 41LDM-ICH6 inverted input. 42LDM+ICH6 non-inverted input. 2.Pin Description of IC 2-1 Focus/Tracking/Spin/Sled Driver : M63001FP (CD Section IC2) RXD-355 11 CIRCUIT DESCRIPTION Port No.Port NameI/OFunction 1VREFOReference voltage output. 2MPXINIBaseband (multiplexed) signal input. 3VDDA-Analog power supply (+5V). 4VSSA-Analog ground. 5FLOUTOSubcarrier output (filter output). 6CINISubcarrier input