Jvc-KSAX-4500-Service-Manual(1) 电路图 维修手册.pdf

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1、SERVICE MANUAL COPYRIGHT 2001 VICTOR COMPANY OF JAPAN, LTD. KS-AX4500KS-AX4500 No. 49622 Apr. 2001 KS-AX4500 POWER AMPLIFIER Printed in Japan 200104(S) (No. 49622) VICTOR COMPANY OF JAPAN, LIMITED MOBILE ELECTRONICS DIVISION PERSONAL & MOBILE NETWORK B.U. 10-1,1Chome,Ohwatari-machi,Maebashi-city,Jap

2、an Caution If electricity is connected during disassembly, it must be a no load current. If it is load current, be sure to attach a heat sink to the power-amp IC. This will be damaged if the above precautions are not followed, as it does not have a sub heat sink attached to it. Contents Safety preca

3、ution Location of main parts Removal of main parts Test method Description of major ICs 1-2 1-3 1-5 1-7 1-8 Area Suffix E J Continental Europe Northern America RadioFans.CN 收音机爱 好者资料库 KS-AX4500 1-2 !CAUTION Burrs formed during molding may be left over on some parts of the chassis. Therefore, pay att

4、ention to such burrs in the case of preforming repair of this system. RadioFans.CN 收音机爱 好者资料库 KS-AX4500 1-3 Location of main parts REAR PANEL HEAT SINK OUTPUT TERMINAL for FRONT(L/R) INPUT for POWER FUSE OUTPUT TERMINAL for REAR(L/R) FRONT PANEL HIGH INPUT connector for REAR LOW INPUT jack for REAR(

5、L) LOW INPUT jack for FRONT(L) HIGH INPUT connector for FRONT HEAT SINK LOW INPUT jack for REAR(R) LOW INPUT jack for FRONT(R) CONTROL PANEL HEAT SINK SWITCH KNOBVOLUME KNOB RadioFans.CN 收音机爱 好者资料库 KS-AX4500 1-4 GND wire MAIN PCB SUB PCB DIODE POWER TRANSISTER HEAT SINK (Bottom view) MAIN PCB POWER

6、TRANSISTERPOWER FET KS-AX4500 1-5 From the bottom side of the main unit, remove the 4 screws A retaining the bottom cover. Then remove the 6 screws B retaining the bottom cover. Remove the bottom cover. 1. 2. 3. Removal of main parts Removing the bottom cover (see Fig. 1) Remove the bottom cover fro

7、m the main unit. Loosen and remove the 2 screws C retaining the top plate on the main unit. (Stoppers are attached to the backs of the C screws so that they cannot be removed easily.) 1. 2. Remove the 4 volume knobs on top of the control panel. If it cannot be pulled out easily, insert a rope or wir

8、e between the base of the volume knob and the control panel so that the volume knob is raised a little above the surface and then remove it. (Be careful when inserting a lever etc. not to scratch the surface of the control panel). Remove the 4 screws D retaining the control panel. Then detach the co

9、ntrol panel and the switch knobs. 3. 4. Removing the MAIN PCB (see Fig. 2 to 8) (Side view) Rope or wire Volume knob Control panel Bottom cover Fig. 1 Fig. 3 Fig. 2 Fig. 4 If electricity is connected during disassembly, it must be a no load current. If it is load current, be sure to attach a heat si

10、nk to the power-amp IC. This will be damaged if the above precautions are not followed, as it does not have a sub heat sink attached to it. CAUTION: A B A B Top panel CC Switch knobControl panel DD Volume knob KS-AX4500 1-6 Remove the 13 screws E retaining the panels on both sides of the main unit.

11、5. Remove the MAIN PCB by lift up the arrow mark.7. Remove the 14 screws F attaching the MAIN PCB to the bottom of the main unit. 6. Fig. 7 Fig. 5 Fig. 6 Fig. 8 Rear panel E E E E MAIN PCB F MAIN PCB (Side view) Front panel F F KS-AX4500 1-7 Test method 1. . Check the voltage and frequency of the se

12、condary toroidal coil. 2.Measure the secondary toroidal coil, if the standard frequency value of 22.87 kHz 50 Hz is not attained, measure the R60 terminal, then adjust the SV01 so that the R60 terminal becomes 22.87 kHz 50Hz. Note: TEST SET FREQUENCY COUNTER MAIN PCB (+) (-) POWER SUPPLY 14.4V 60Vp-

13、p 2.5V DC/DC CONVERTER SECOND GENERATOR SWITCHING TEST ITEM VOLTAGE TEST FREQUENCY CHECK 60Vp-p2.5V 22.87KHz50Hz OSCILLOSCOPE VOLT/DIV: 10 TIME/DIV: 10mcec SPECIFICATIONCONDITION FREQUENCY:22.87kHz 50Hz VOLTAGE VALUE:60Vp-p 2.5V When measuring, adjust and apply power with no signal or load on each b

14、oard. 5 6 7 3 R01 R60 R03 C01 J09 Q01 C31 C68 Measuring Points MAIN PCB KS-AX4500 1-8 PIN CONNECTIONS (TOP View) 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 Noninv Input Inv Input Compen/PWN Comp Input Dead Time Control Ground C1 CT RT Noninv Input Inv Input Vref Output Control E2 E1 VCC C2 Dead-Time Com

15、parator UV Lockout PWM Comparator Oscillator 12 QD CkQ Flip- Flop Q1 Q2 Reference Regulator 0.7mA 0.7V 0.12V 3.5V 4.9V 8 13 9 11 10 12 7141615321 4 5 6 TL494 Description of major ICs SERVICE MANUAL COPYRIGHT 2001 VICTOR COMPANY OF JAPAN, LTD. KS-AX4500KS-AX4500 No. 49622 Apr. 2001 KS-AX4500 POWER AM

16、PLIFIER Printed in Japan 200104(S) (No. 49622) VICTOR COMPANY OF JAPAN, LIMITED MOBILE ELECTRONICS DIVISION PERSONAL & MOBILE NETWORK B.U. 10-1,1Chome,Ohwatari-machi,Maebashi-city,Japan Caution If electricity is connected during disassembly, it must be a no load current. If it is load current, be su

17、re to attach a heat sink to the power-amp IC. This will be damaged if the above precautions are not followed, as it does not have a sub heat sink attached to it. Contents Safety precaution Location of main parts Removal of main parts Test method Description of major ICs 1-2 1-3 1-5 1-7 1-8 Area Suff

18、ix E J Continental Europe Nothem America KS-AX4500 3-1 PARTS LIST * All printed circuit boards and its assemblies are not available as service parts. - Contents - Exploded view of enclosure assembly and parts list Electrical parts List Packing and accessories KS-AX4500 3-2 3-4 3-9 Areas suffix E - C

19、ontinental Europe J - Northern America KS-AX4500 3-2 30 30 28 7 28 24 9 9 5 24 24 24 6 21 21 21 1 21 21 21 21 2 16 20 18 19 18 19 27 27 26 19 26 29 25 22 16 13 12 26 26 18 19 10 11 13 12 17 15 14 23 23 3 23 23 22 4 22 22 22 17 15 14 22 22 8 Exploded view of enclosure assembly and parts list Block No

20、.M MM1 1/4 20 4/4 20 3/4 20 2/4 KS-AX4500 3-3 ItemParts numberParts nameAreaA Parts list ( Enclosure assembly ) QtyDescription Block No. M1MM MA-HS-IT-1123-1 MA-FP-IT-6411-1 MA-RP-IT-6412-1 MA-BC-IT-6415-2 MA-SD-06-1924-0 MA-TC-03-1122-0 MA-TC-04-1922-0 MO-KB-07-6023-2 MO-KB-07-6024-1 MA-SH-IT-6416-

21、1 MA-SH-IT-6417-1 MA-BR-03-4116-0 MA-BR-03-4117-0 MA-BR-03-4180-0 MA-BR-03-4181-0 MO-CU-02-4866-1 MO-CU-02-4195-1 MO-CU-01-4097-1 MO-CU-01-4097-0 MA-SP-02-1901-0 MNSC-04-3-30-08 MNSC-04-2-30-06 MNC-00-3-40-14 MNSC-04-6-30-06 MZSC-04-5-30-08 MZSC-04-5-30-13 MZSC-04-5-30-10 MNSC-00-1-40-7 MNSC-04-3-30

22、-06 MOWA-05-8085-0 MAIN HEAT SINK FRONT PANEL REAR PANEL BOTTOM COVER CONTROL PANEL PIPE TOP PANEL VOLUME KNOB SWITCH KNOB SUB HEAT SINK-A SUB HEAT SINK-B TR BRACKET-C TR BRACKET-D TR BRACKET-E TR BRACKET-F TR/BKT CUSHION-B TR/BKT CUSHION-C RUBBER CUSH.-A RUBBER CUSH.-B SILICON PAD SCREW SCREW SCREW

23、 SCREW SCREW SCREW SCREW SCREW (SPECIFIC) SCREW POLY WASHER 1 1 1 1 1 1 1 4 2 1 1 2 2 2 2 2 2 5 4 1 13 10 8 8 2 4 2 2 4 2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 430mm(107.5mm 4) KS-AX4500 3-4 Electrical parts list ItemParts numberParts nameAreaRemarksA C 01E

24、LE10UF/16VE.CAPACITORELECTROLYTIC C 03MAL105J/50VM.CAPACITORMYLAR 63V 5% C 09MAL104J/50VM.CAPACITORMYLAR 50V 5% C 11ELE2200UF/25VE.CAPACITORELECTROLYTIC C 12ELE2200UF/25VE.CAPACITORELECTROLYTIC C 13CER104PF/50VC.CAPACITORCERAMIC DISK 50 C 15CER104PF/50VC.CAPACITORCERAMIC DISK 50 C 16MAL334J/50VM.CAP

25、ACITORMYLAR 50V 5% C 17ELE47UF/16VE.CAPACITORELECTROLYTIC C 18ELE100UF/16VE.CAPACITORELECTROLYTIC C 19ELE100UF/16VE.CAPACITORELECTROLYTIC C 20CER104PF/50VC.CAPACITORCERAMIC DISK 50 C 21ELE10UF/25VE.CAPACITORELECTROLYTIC C 22ELE47UF/25VE.CAPACITORELECTROLYTIC C 23ELE100UF/16VE.CAPACITORELECTROLYTIC C

26、 24MAL103M/50VM CAPACITORMYLAR 50V 5% C 25MAL103M/50VM CAPACITORMYLAR 50V 5% C 27CER473PF/50VC.CAPACITORCERAMIC DISK 50 C 31MAL104J/50VM.CAPACITORMYLAR 50V 5% C 40MAL102GS.CAPACITORSTYCON C 41ELE100UF/16VE.CAPACITORELECTROLYTIC C 60MAL222J/50VM.CAPACITORMYLAR 50V 5% C 61ELE2.2UF/50VE.CAPACITORELECTR

27、OLYTIC C 62ELE2.2UF/50VE.CAPACITORELECTROLYTIC C 63ELE220UF/16VE.CAPACITORELECTROLYTIC C 64ELE220UF/16VE.CAPACITORELECTROLYTIC C 65CER104PF/50VC.CAPACITORCERAMIC DISK 50 C 66CER104PF/50VC.CAPACITORCERAMIC DISK 50 C 67ELE470UF/35VE.CAPACITORELECTROLYTIC C 68ELE470UF/35VE.CAPACITORELECTROLYTIC C 69ELE

28、3300UF/35VE.CAPACITORELECTROLYTIC C 70ELE3300UF/35VE.CAPACITORELECTROLYTIC C 73CER473PF/50VC.CAPACITORCERAMIC DISK 50 C 74CER473PF/50VC.CAPACITORCERAMIC DISK 50 C 80CER22PF/50VC.CAPACITORCERAMIC DISK 50 C 81ELE10UF/50VE.CAPACITORELECTROLYTIC C 91CER104PF/50VC.CAPACITORCERAMIC DISK 50 C 92CER104PF/50

29、VC.CAPACITORCERAMIC DISK 50 C 93CER104PF/50VC.CAPACITORCERAMIC DISK 50 C 100ELE330UF/25V(NPE CAPACITORELECTROLYTIC(NP C 101ELE4.7UF/50VE.CAPACITORELECTROLYTIC C 102ELE4.7UF/50VE.CAPACITORELECTROLYTIC C 104CER22PF/50VC.CAPACITORCERAMIC DISK 50 C 105CER100PF/50VC.CAPACITORCERAMIC DISK 50 C 106CER22PF/

30、50VC.CAPACITORCERAMIC DISK 50 C 107ELE4.7UF/50VE.CAPACITORELECTROLYTIC C 108SMD68PF/50VCAPACITORSMD 0805 50V 5 C 111SMD47PF/50VCAPACITORSMD 0805 50V 5 C 112MAL224J/50VM.CAPACITORMYLAR 50V 5% C 113MAL183J/50VM.CAPACITORMYLAR 50V 5% C 114MAL104J/50VM.CAPACITORMYLAR 50V 5% C 115MAL473J/50VM.CAPACITORMY

31、LAR 50V 5% C 116MAL473J/50VM.CAPACITORMYLAR 50V 5% C 117MAL473J/50VM.CAPACITORMYLAR 50V 5% C 130ELE4.7UF/50VE.CAPACITORELECTROLYTIC C 131ELE4.7UF/50VE.CAPACITORELECTROLYTIC C 132CER68PF/50VC.CAPACITORCERAMIC DISK 50 C 133ELE22UF/16VE.CAPACITORELECTROLYTIC C 134ELE22UF/16VE.CAPACITORELECTROLYTIC C 13

32、5CER150PF/50VC.CAPACITORCERAMIC DISK 50 C 136MAL473J/50VM.CAPACITORMYLAR 50V 5% C 137CER150PF/50VC.CAPACITORCERAMIC DISK 50 C 138CER56PF/50VC.CAPACITORCERAMIC DISK 50 C 139ELE100UF/16VE.CAPACITORELECTROLYTIC C 140CER150PF/50VC.CAPACITORCERAMIC DISK 50 C 141MAL104J/50VM.CAPACITORMYLAR 50V 5% C 142CER

33、104PF/50VC.CAPACITORCERAMIC DISK 50 C 151ELE220UF/16VE.CAPACITORELECTROLYTIC C 161ELE4.7UF/50VE.CAPACITORELECTROLYTIC C 162ELE4.7UF/50VE.CAPACITORELECTROLYTIC C 163CER102PF/50VC.CAPACITORCERAMIC DISK 50 C 164CER102PF/50VC.CAPACITORCERAMIC DISK 50 C 191CER104PF/50VC.CAPACITORCERAMIC DISK 50 C 192SMD4

34、73PF/50VCAPACITORSMD 0805 50V 5 C 193SMD473PF/50VCAPACITORSMD 0805 50V 5 C 194SMD473PF/50VCAPACITORSMD 0805 50V 5 C 195SMD473PF/50VCAPACITORSMD 0805 50V 5 C 196SMD473PF/50VCAPACITORSMD 0805 50V 5 C 201ELE4.7UF/50VE.CAPACITORELECTROLYTIC C 202ELE4.7UF/50VE.CAPACITORELECTROLYTIC C 204CER22PF/50VC.CAPA

35、CITORCERAMIC DISK 50 C 205CER100PF/50VC.CAPACITORCERAMIC DISK 50 C 206CER22PF/50VC.CAPACITORCERAMIC DISK 50 C 207ELE4.7UF/50VE.CAPACITORELECTROLYTIC C 208SMD36PF/50VCAPACITORSMD 0805 50V 5 C 211SMD47PF/50VCAPACITORSMD 0805 50V 5 C 212MAL224J/50VM.CAPACITORMYLAR 50V 5% C 213MAL183J/50VM.CAPACITORMYLA

36、R 50V 5% C 214MAL104J/50VM.CAPACITORMYLAR 50V 5% C 215MAL473J/50VM.CAPACITORMYLAR 50V 5% C 216MAL473J/50VM.CAPACITORMYLAR 50V 5% C 217MAL473J/50VM.CAPACITORMYLAR 50V 5% C 230ELE4.7UF/50VE.CAPACITORELECTROLYTIC C 231ELE4.7UF/50VE.CAPACITORELECTROLYTIC C 232CER68PF/50VC.CAPACITORCERAMIC DISK 50 C 233E

37、LE22UF/16VE.CAPACITORELECTROLYTIC C 234ELE22UF/16VE.CAPACITORELECTROLYTIC C 235CER150PF/50VC.CAPACITORCERAMIC DISK 50 C 236MAL473J/50VM.CAPACITORMYLAR 50V 5% C 237CER150PF/50VC.CAPACITORCERAMIC DISK 50 C 238CER56PF/50VC.CAPACITORCERAMIC DISK 50 C 239ELE100UF/16VE.CAPACITORELECTROLYTIC C 240CER150PF/

38、50VC.CAPACITORCERAMIC DISK 50 C 241MAL104J/50VM.CAPACITORMYLAR 50V 5% C 261ELE4.7UF/50VE.CAPACITORELECTROLYTIC C 262ELE4.7UF/50VE.CAPACITORELECTROLYTIC C 263CER102PF/50VC.CAPACITORCERAMIC DISK 50 C 264CER102PF/50VC.CAPACITORCERAMIC DISK 50 C 291CER104PF/50VC.CAPACITORCERAMIC DISK 50 C 292SMD473PF/50

39、VCAPACITORSMD 0805 50V 5 C 293SMD473PF/50VCAPACITORSMD 0805 50V 5 C 294SMD473PF/50VCAPACITORSMD 0805 50V 5 C 295SMD473PF/50VCAPACITORSMD 0805 50V 5 C 296SMD473PF/50VCAPACITORSMD 0805 50V 5 C 301ELE4.7UF/50VE.CAPACITORELECTROLYTIC C 302ELE4.7UF/50VE.CAPACITORELECTROLYTIC C 304CER22PF/50VC.CAPACITORCE

40、RAMIC DISK 50 C 305CER100PF/50VC.CAPACITORCERAMIC DISK 50 C 306CER22PF/50VC.CAPACITORCERAMIC DISK 50 C 307ELE4.7UF/50VE.CAPACITORELECTROLYTIC C 308SMD68PF/50VCAPACITORSMD 0805 50V 5 C 311SMD47PF/50VCAPACITORSMD 0805 50V 5 C 312MAL224J/50VM.CAPACITORMYLAR 50V 5% C 313MAL183J/50VM.CAPACITORMYLAR 50V 5

41、% C 314MAL104J/50VM.CAPACITORMYLAR 50V 5% C 315MAL473J/50VM.CAPACITORMYLAR 50V 5% Electrical parts list (P.C.board)Block No.01 ItemParts numberParts nameAreaRemarksA KS-AX4500 3-5 ItemParts numberParts nameAreaRemarksA C 316MAL473J/50VM.CAPACITORMYLAR 50V 5% C 317MAL473J /50VM CAPACITORMYLAR 50V 5%

42、C 330ELE4.7UF/50VE.CAPACITORELECTROLYTIC C 331ELE4.7UF/50VE.CAPACITORELECTROLYTIC C 332CER68PF/50VC.CAPACITORCERAMIC DISK 50 C 333ELE22UF/16VE.CAPACITORELECTROLYTIC C 334ELE22UF/16VE.CAPACITORELECTROLYTIC C 335CER150PF/50VC.CAPACITORCERAMIC DISK 50 C 336MAL473J/50VM.CAPACITORMYLAR 50V 5% C 337CER150

43、PF/50VC.CAPACITORCERAMIC DISK 50 C 338CER56PF/50VC.CAPACITORCERAMIC DISK 50 C 339ELE100UF/16VE.CAPACITORELECTROLYTIC C 340CER150PF/50VC.CAPACITORCERAMIC DISK 50 C 341MAL104J/50VM.CAPACITORMYLAR 50V 5% C 342CER104PF/50VC.CAPACITORCERAMIC DISK 50 C 361ELE4.7UF/50VE.CAPACITORELECTROLYTIC C 362ELE4.7UF/

44、50VE.CAPACITORELECTROLYTIC C 363CER102PF/50VC.CAPACITORCERAMIC DISK 50 C 364CER102PF/50VC.CAPACITORCERAMIC DISK 50 C 391CER104PF/50VC.CAPACITORCERAMIC DISK 50 C 392SMD473PF/50VCAPACITORSMD 0805 50V 5 C 393SMD473PF/50VCAPACITORSMD 0805 50V 5 C 394SMD473PF/50VCAPACITORSMD 0805 50V 5 C 395SMD473PF/50VC

45、APACITORSMD 0805 50V 5 C 396SMD473PF/50VCAPACITORSMD 0805 50V 5 C 401ELE4.7UF/50VE.CAPACITORELECTROLYTIC C 402ELE4.7UF/50VE.CAPACITORELECTROLYTIC C 403CER103PF/50VC CAPACITORCERAMIC DISK 50 C 404CER22PF/50VC.CAPACITORCERAMIC DISK 50 C 405CER100PF/50VC.CAPACITORCERAMIC DISK 50 C 406CER22PF/50VC.CAPAC

46、ITORCERAMIC DISK 50 C 407ELE4.7UF/50VE.CAPACITORELECTROLYTIC C 408SMD36PF/50VCAPACITORSMD 0805 50V 5 C 411SMD47PF/50VCAPACITORSMD 0805 50V 5 C 412MAL224J/50VM.CAPACITORMYLAR 50V 5% C 413MAL183J/50VM.CAPACITORMYLAR 50V 5% C 414MAL104J/50VM.CAPACITORMYLAR 50V 5% C 415MAL473J/50VM.CAPACITORMYLAR 50V 5%

47、 C 416MAL473J/50VM.CAPACITORMYLAR 50V 5% C 417MAL473J/50VM.CAPACITORMYLAR 50V 5% C 430ELE4.7UF/50VE.CAPACITORELECTROLYTIC C 431ELE4.7UF/50VE.CAPACITORELECTROLYTIC C 432CER68PF/50VC.CAPACITORCERAMIC DISK 50 C 433ELE22UF/16VE.CAPACITORELECTROLYTIC C 434ELE22UF/16VE.CAPACITORELECTROLYTIC C 435CER150PF/

48、50VC.CAPACITORCERAMIC DISK 50 C 436MAL473J/50VM.CAPACITORMYLAR 50V 5% C 437CER150PF/50VC.CAPACITORCERAMIC DISK 50 C 438CER56PF/50VC.CAPACITORCERAMIC DISK 50 C 439ELE100UF/16VE.CAPACITORELECTROLYTIC C 440CER150PF/50VC.CAPACITORCERAMIC DISK 50 C 441MAL104J/50VM.CAPACITORMYLAR 50V 5% C 461ELE4.7UF/50VE

49、.CAPACITORELECTROLYTIC C 462ELE4.7UF/50VE.CAPACITORELECTROLYTIC C 463CER102PF/50VC.CAPACITORCERAMIC DISK 50 C 464CER102PF/50VC.CAPACITORCERAMIC DISK 50 C 491CER04PF/50VC CAPACITORCERAMIC DISK 50 C 492SMD473PF/50VCAPACITORSMD 0805 50V 5 C 493SMD473PF/50VCAPACITORSMD 0805 50V 5 C 494SMD473PF/50VCAPACITORSMD 0805 50V 5 C 495SMD473PF/50VCAPACITORSMD 0805 50V 5 C 496SMD473PF/50VCAPACITORSMD 0805 50V 5 D 011N5404DIODERECTIFI