HarmanKardon-3370_3470-rec-psm 电路图 维修手册.pdf

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1、harman/kardon hk3370/3470 STEREO RECEIVER PRELIMINARY SERVICE MANUAL CONTENTS ESD WARNING.2 LEAKAGE TESTING.3 BASIC SPECIFICATIONS hk3370.4 BASIC SPECIFICATIONS hk3470.5 FRONT PANEL CONTROLS hk3370.6 REAR PANEL CONNECTIONS hk3370.8 REMOTE CONTROL FUNCTIONS HK3370.10 FRONT PANEL CONTROLS hk3470.12 RE

2、AR PANEL CONNECTIONS hk3470.15 REMOTE CONTROL FUNCTIONS HK3470.17 TROUBLESHOOTING GUIDE.19 ALIGNMENT PROCEDURES.20 WAVEFORMS.23 BLOCK DIAGRAM.28 EXPLODED VIEW HK3370.29 EXPLODED VIEW HK3470.30 DISASSEMBLY PROCEDURES.31 MECHANICAL PARTS LIST HK3370.39 ELECTRICAL PARTS LIST HK3370.40 MECHANICAL PARTS

3、LIST HK3370.57 ELECTRICAL PARTS LIST HK3370.58 IC DESCRIPTIONS.75 PCB DRAWINGS.86 SCHEMATICS.92 WIRING DIAGRAM.103 PACKAGE.104 harman/kardon, Inc. 250 Crossways Park Dr. Woodbury, New York 11797 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 1. Inspect all lead dress to make certain that leads are

4、not pinched or that hardware is not lodged between the chassis and other metal partsintheunit. 2. Be sure that any protective devices such as nonmetallic control knobs, insulating fish- papers,cabinetbacks,adjustmentand compartment covers or shields, isolation resistor-capacitynetworks,mechanical in

5、sulators, etc. Which were removed for the servicingareproperlyre-installed. Before returning the unit to the user, perform the following safety checks : 3. Be sure that no shock hazard exists ; check for leakage currentusing SimpsonModel229LeakageTester,standard equipment item No. 21641, RCA Model W

6、T540A or use alternate method as follows : Plug the power cord directly Into a 120 volt AC receptacle (do not use an Isolation Transformer for this test). Using two clip leads, connect a 1500ohms,10wattResistorparalleledbya0.15uFcapacitor,inserieswithallexposedmetalcabinetpartsandaknownearthground,s

7、uch as a water pipe or conduit. Use a VTVM or VOM with 1000 ohms per volt, or higher sensitivity to measure the AC voltage drop across the resistor. (See diagram) Move the resistor connection to each exposed metal part having a return path to the chassis (antenna, metal, cabinet,screwheads,knobsandc

8、ontrolshafts,escutcheon,etc.)andmeasuretheACvoltagedropacrosstheresistor.(Thistestshouldbe performedwiththe0.35voltRMSor moreisexcessiveandindicatesapotentialshockhazardwhichmust be correctedbefore returningthe unittotheowner. RadioFans.CN 收音机爱 好者资料库 1. Test Equipment Required. 2. Alignment and Test

9、 Points 3. AM IF and RF Alingment 4. FM IF Alignment 5. MPX Alignment, SM Alignment Pin No.Pin NameI/OACTIVEPORT NAMEREMARK 96FIP4OHG5FIP grid output 97FIP3OHG4FIP grid output 98FIP3OHG3FIP grid output 99FIP1OHG2FIP grid output 100FIP0OHG1FIP grid output 1 2 3 5 6 4 3. Timing Chart (IF Count) MANUAL

10、 TUNING UP/DOWN MANUAL TUNING UP/DOWN KEY OFF - AUTO TUNING UP/DOWN - POWER ON 4. Pheriperal IC Operation ) 2) PLL IC. (LC7218) CHASSIS-TOP(44) REMOVAL. Remove 9 screws(A,K) and then remove the Chassis-top(44). FRONT PANEL ASSY(AA) REMOVAL. 1. Remove the Chassis-top(44), referring to the previous st

11、ep . 2. Disconnect the connector(CN 301, Card-cable) on the Front P. C. Board(d) from connector(CN 115) on the Main P. C. Board (i). 3. Disconnect the lead wire(CW 302, 5P) on the Front P. C. Board(d) from connector(CN 702) on the Volume Volume P. C. Board (b). 4. Disconnect the connector(CN 801, 2P

12、) on the Standby P. C. Board(g) from connector(CN 102) on the Main P. C. Board (i). 5. Remove 1 screw(I) of Chassis-panel(37) and then lead wire(H 801, 1P) on the Phones P. C. Board(e). 6. Disconnect the lead wire(CW 301, 7p) on the Front P. C. Board(d) from connector(CN 113) on the Main P. C. Board

13、(i). 7. Disconnect the lead wire(CW 801, 3P) on the Phones P. C. Board(e) from connector(CN 401) on the Amp P. C. Board(h). 8. Remove 1 screw(I) of Chassis-panel(37) and then lead wire(H 501, 1P) on the Tone P. C. Board (c). 9. Disconnect the lead wire(CW 701, 10P) on the Volume P. C. Board(b) from

14、connector (CN 109) on the Main P. C. Board(i). 10. Remove 9 screws(H, I) and then remove the Front Panel ASSY(AA). FRONT P. C. BOARD(d) REMOVAL. 1. Remove the Chassis-top(44), referring to the previous step. 2. Remove the Front-panel ASSY(AA), referring to the previous step. 3. Disconnect the lead w

15、ire(CW 302, 5P) from connector(CN 702) on the Volume P. C. Board(b). 4. Disconnect the connector(CN 302) from lead wire(CW 801,5P) on the Power P.C.Board (f). 5. Remove 15 screws(J) and then remove the Front P.C.Board(d). VOLUME P.C.BOARD(b) REMOVAL. 1. Remove the Chassis-top(44), referring to the p

16、revious step. 2. Remove the Front-panel ASSY(AA), referring to the previous step. 3. Disconnect the connector(CN 702) from lead wire(CW 302, 5P) on the Front P. C. Board(d). 4. Disconnect the connector(CN 703) from lead wire(CW 802, 2P) on the Volume2 P. C. Board(a). 5. Disconnect the connector(CN 7

17、01) from lead wire(CW 501, 10P) on the Tone P. C. Board(c). 6. Disconnect the lead wire(CW 701,10P) from connector(CN 109) on the Main P. C. Board(i). 7. Full out the Volume Knob(1). 8. Remove 1 hexagon nut(3), 1 washer(4) and then remove the Volume P. C. Board(b). VOLUME2 P. C. BOARD(a) ASSY(AD) RE

18、MOVAL. 1. Remove the Chassis-top(44), referring to the previous step. 2. Remove the Front-panel ASSY(AA), referring to the previous step. 3. Disconnect the lead wire(CW 802, 2P) from connector(CN 703) on the Volume P.C.Board(b). 4. Full out the Volume Knob(1). VOLUME2 P. C. BOARD(a) REMOVAL. 1. Remo

19、ve the Chassis-top(44), referring to the previous step. 2. Remove the Front-panel ASSY(AA), referring to the previous step. 3. Remove the Volume P. C. Board(b) ASSY(AD), referring to the previous step. 4. Full out the Volume2 P. C. Board(a). TONE P. C. BOARD(c) REMOVAL. 1. Remove the Chassis-top(44)

20、, referring to the previous step. 2. Remove the Front-panel ASSY(AA), referring to the previous step. 3. Disconnect the lead wire(CW 501, 10P) from connector(CN 701) on the Volume P. C. Board(b). 4. Pull out the Balance-knob(5). 5. Remove 4 screws(J) and then remove the Tone P. C. Board ASSY(AC). 6.

21、 Remove 4 hexagon nut(3) and then remove the Shield-balance(12). PHONES P. C. BOARD(e) REMOVAL. 1. Remove the Chassis-top(44), referring to the previous step. 2. Remove the Front-panel ASSY(AA), referring to the previous step. 3. Disconnect the lead wire(CW 801, 3P) from connector(CN 401) on the Amp

22、 P. C. Board(h). 4. Remove 2 screws(E) and then remove the Phones P. C. Board(e). POWER P. C. BOARD(f) REMOVAL. 1. Remove the Chassis-top(44), referring to the previous step. 2. Remove the Front-panel ASSY(AA), referring to the previous step. 3. Disconnect the lead wire(CW 801, 5P) from connector(CN

23、 302) on the Front P. C. Board(d). 4. Remove 2 screws(J) and then remove the Power P. C. Board(f). STANDBY P. C. BOARD(g) REMOVAL. 1. Remove the Chassis-top(44), referring to the previous step. 2. Remove the Front-panel ASSY(AA), referring to the previous step. 3. Remove 2 screws(J) and then remove

24、the Standby P. C. Board(g). TUNER P. C. BOARD(j) REMOVAL. 1. Remove the Chassis-top(44), referring to the previous step. 2. Remove 21 screws(G,K) and then remove the Chassis-back(41). 3. Pull out the Tuner P. C. Board(j). RADIATOR ASSY(AB) REMOVAL. 1. Remove the Chassis-top(44), referring to the pre

25、vious step. 2. Disconnect the connector(CN 401) from lead wire(CW 801, 3P) on the Phones P. C. Board(e). 3. Disconnect the lead wire(CW 403, 4P) from connector(CN 111, CN 112) on the Main P. C. Board(i). 4. Disconnect the lead wire(CW 402, 10P) from connector(CN 107) on the Main P. C. Board(i). 5. D

26、isconnect the lead wire(CW 401, 4P) from connector(CN 108) on the Main P. C. Board(i). 6. Remove 7 screws(I) and then pull out the Radiator AssY(AB). AMP P. C. BOARD(h) REMOVAL. 1. Remove the Chassis-top(44), referring th the previous step. 2. Remove the Radiator AssY(AB), referring to the Previous

27、step. 3. Disconnect the connector(CN 402) from lead wire(posistor, 2P) on the Radiator-main (21). 4. Remove 4 screws(D) and then remove the Amp P. C. Board(h). POWER TRANS(38) REMOVAL. 1. Remove the Chassis-top(44), referring to the previous step. 2. Disconnect the lead wire(2P) from connector(CN 10

28、3) on the Main P. C. Board(i). 3. Disconnect the lead wire(3P) from connector(CN 104) on the Main P. C. Board(i). 4. Disconnect the lead wire(6P) from connector(CN 105) on the Main P. C. Board(i). 5. Disconnect the lead wire(3P) from connector(CN 106) on the Main P. C. Board(i). 6. Remove 4 screws(B

29、) and then remove the Power trans(38). MAIN P. C. BOARD(i) REMOVAL. 1. Remove the Chassis-top(44), referring to the previous step. 2. Remove the Tuner P. C. Board(j), referring to the previous step. 3. Disconnect the connector(CN 109) from lead wire(CW 701, 10P) on the Volume P. C. Board(b). 4. Disc

30、onnect the connector(CN 108) from lead wire(CW 401, 4P) on the Amp P. C. Board(h). 5. Disconnect the connector(CN 115) from connector(CN 301, card cable) on the Front P. C. Board(d). 6. Disconnect the connector(CN 107) from lead wire(CW 402, 10P) on the Amp P. C. Board(h). 7. Disconnect the connecto

31、r(CN 106) from lead wire(3P) on the Power-trans(38). 8. Disconnect the connector(CN 105) from lead wire(6P) on the Power-trans(38). 9. Disconnect the connector(CN 113) from lead wire(CW 301, 7P) on the Front P. C. Board(d). 10. Disconnect the connector(CN 104) from lead wire(3P) on the Power-trans(3

32、8). 11. Disconnect the connector(CN 111, CN 112) from lead wire(CW 403, 4P) on the Amp P. C. Board(h). 12. Disconnect the connector(CN 102) from lead wire(CN 801, 2P) on the Standby P. C. Board(g). 13. Disconnect the connector(CN 103) from lead wire(2P) on the Power-trans(38). 14. Disconnect the con

33、nector(CN 101) from Ac cord(40). Ref. No.Part No.Description BLOCK SUB ZBNG-00700-4ZLBOND-ADHESIVE#575 ZBNG-01300-5ZLLOCKER-SCREW#1401B #ZGSI-01000-9PNGREASE-SILICONG-746 ZSBR-00010-060SOLDER-BARSN60 #ZSWR-00010-F60SOLDER-WIRED1.0 SN60 #ZTOP-00701-50CTAPE-OPP ZTWF-01200-039TAPE-DOUBLE FACETESA 4968

34、W = 3.0 t=0.32 #ZZFX-00010-000FLUXROSIN 28 ZZTH-00010-000DILUENTROSIN BLOCK MECHA ACRC-00670-000ASSY-REMOCONHK3370RC ANTL-00060-E50ANTENNA-LOOPAAN-007 19.5uH 7T 125x93 ANTT-00054-075ANTENNA-T TYPE75ohm W/TER(Y)-1200m/m BAMN-00010-150BATTERY MANGANESER03(AAAM) 1.5V 10.5x44.5 FGFB-O2002-831FUSE GLASS2

35、A 125V 51S FGFB-O3151-831FUSE GLASS315mA 125V 5x20 U/C SB FGFB-O5002-831FUSE GLASS5A 125V 5x20 U/C SB KDAC-0575D-H00CORD-ACKKP-10W WITH CORE LLA3-20401-E10CARD CABLE1.25x20Px400 xCx(0.1x0.8) MAAF-03600-012WINDOW-FLHK3370 ACRYL T=3.0 (L MAAF-16130-014LENS-VOLUMEHK3370 PMMA(IF-850) MAAF-16990-014LENS-

36、POWERHK3370 ACRYL MAAF-17040-014FILTER-FLHK3370 PVC T0.5 MAAF-17070-004SHEET-WINDOWPE(DRAFTING FILM) MEAC-05070-002RADIATOR-MAINA6063 T-5 MJAF-03580-012KNOB-FUNCTIONHK3370 ABS MJAF-06570-011PANEL-FRONTHK3370 ABS MJAF-08870-013KNOB-CHOICEHK3370 ABS MJAF-08880-013DECO-CHOICEHK3370 ABS MJAF-15640-014FO

37、OT(A)AVR200 MJAF-16050-014KNOB-STANDBYAVR200 ABS-720 MJAF-16070-014KNOB-BALANCEAVR200 ABS-720 MJAF-16100-014KNOB-VOLUMEHK3370 ABS-720 MJAF-16140-004SUPPORT-PCBABS-720 MJAF-16980-014KNOB-POWERHK3370 ABS MJAF-17030-004GUIDE-LEDABS MJAG-00280-003CORD-BUSHNIFCO MJAG-04540-004CABLE-TIE-L80* MLAG-13850-01

38、4BADGE-H/KHK3370 AL MMAC-12060-004TERMINAL-GND MMAC-15650-004SCREW-RADIATOR MMAC-16400-004SCREW-T/P-TOOTH3X10 BLACK MMAC-17070-004JACK-CONNECT MMSC-00900-004AIR-STAPLER MMTC-00751-003SCREW-TAPPINGBHW T2T 3x8 FE-ZY MPAC-04760-003CHASSIS-PANELUS Coating t1.0 MPAC-04812-002CHASSIS-BOTTOMUS COATING T1.2

39、 MPAC-04950-012CHASSIS-TOPAVR200 SECC(T0.6) + P MPAC-05040-012CHASSIS-BACKHK3370 SECC T0.8 MPAC-16220-004BRACKET-RADIATOR(S)US COATING T1.0 Ref. No.Part No.Description BLOCK MECHA MPAC-16880-004SHIELD-BALANCEET-HD T0.5 MRAG-13040-004CUSHION-AFELT 437x10 x0.5 S MRAG-13050-004CUSHION-AFELT 250 x10 x0.

40、5 S MRAG-13250-004CUSHION-AEVA T=5.0 MWAW-00910-003PALLETS1040X1126X141 PLRC-00020-S30PLUG RCASHORT JACK PTAN-03790-CJUPOWER TRANSFORMERA86-379C-U(120V 60Hz) TFMA-00100-D00TRANSFORMER-MATCHING MT115050 300ohm & 75ohm Q209TRSC-01680-SB0TRANSISTOR N-H FREQ2SC4137 TO-126FP Q213TRSC-01340-SJ0TRANSISTOR

41、P-H FREQ2SC3856 Q214TRSA-00950-SJ0TRANSISTOR P-H FREQ2SA-1492 Q224TRSC-01680-SB0TRANSISTOR N-H FREQ2SC4137 TO-126FP Q228TRSC-01340-SJ0TRANSISTOR P-H FREQ2SC3856 Q229TRSA-00950-SJ0TRANSISTOR P-H FREQ2SA-1492 Q239TRSC-01680-SB0TRANSISTOR N-H FREQ2SC4137 TO-126FP Q243TRSC-01340-SJ0TRANSISTOR P-H FREQ2S

42、C3856 Q244TRSA-00950-SJ0TRANSISTOR P-H FREQ2SA-1492 Q254TRSC-01680-SB0TRANSISTOR N-H FREQ2SC4137 TO-126FP Q256TRSC-01340-SJ0TRANSISTOR P-H FREQ2SC3856 Q259TRSA-00950-SJ0TRANSISTOR P-H FREQ2SA-1492 Q269TRSC-01680-SB0TRANSISTOR N-H FREQ2SC4137 TO-126FP Q273TRSC-01340-SJ0TRANSISTOR P-H FREQ2SC3856 Q274

43、TRSA-00950-SJ0TRANSISTOR P-H FREQ2SA-1492 U348-9B350-480WIRE-ASSY1618#18-500 WHT 3P VSPO-00010-100POSISTORP42T8D100BW23 XSTB-30080-ZB4SCREW-TAPPINGBHT2T 3x8 FE-ZB XSTB-30080-ZY4SCREW-TAPPINGBHT2T 3x8 FE-ZY XSTB-30100-ZB4SCREW-TAPPINGBHT2T 3x10 FE-ZB XSTB-30100-ZY4SCREW-TAPPINGBHT2T 3x10 FE-ZY XSTB-4

44、0080-ZB8SCREW-TAPPINGBHT3T 4x8 FE-ZB XSTB-40080-ZY8SCREW-TAPPINGBHT3T 4x8 FE-ZY XSTS-30080-ZY4SCREW-TAPPINGPHWT2T 3x8 FE-ZY XSTS-30180-ZY4SCREW-TAPPINGPHWT2T 3x18 FE-ZY YGAP-14860-054BOX-GIFTHK3370 535X480X231 DW YSAP-12070-002CUSHION-L/REPS YVAP-01862-004POLY-BAG-F* YVAP-13320-004TOLON-SHEET750 x12

45、00 0.5t 7JJG-00212-001PACKING WRAP500mm*1400m BLOCK MAIN PCB C101CCAT-J101K-AABCAPACITOR CERAMIC100PF K 50V B T C102CCAT-J101K-AABCAPACITOR CERAMIC100PF K 50V B T C119CCAT-J101K-AABCAPACITOR CERAMIC100PF K 50V B T C120CCAT-J101K-AABCAPACITOR CERAMIC100PF K 50V B T C134CCAT-F103Z-AAFCAPACITOR CERAMIC

46、0.01uF Z 25V F T C135CCAT-J473Z-AAFCAPACITOR CERAMIC0.047uF Z 50V F T C136CCAT-J473Z-AAFCAPACITOR CERAMIC0.047uF Z 50V F T C137CCAT-J473Z-AAFCAPACITOR CERAMIC0.047uF Z 50V F T C139CEET-J4R7M-CI0CAPACITOR E/ALUMINUM 4.7uF M 50V 5x11 T C140CEET-J4R7M-CI0CAPACITOR E/ALUMINUM 4.7uF M 50V 5x11 T C141CCAT

47、-J102K-AABCAPACITOR CERAMIC1000PF K 50V B T Ref. No.Part No.Description BLOCK MAIN PCB C142CCAT-J102K-AABCAPACITOR CERAMIC1000PF K 50V B T C143CEET-D101M-CI0CAPACITOR E/ALUMINUM 100uF M 10V 5x11 T C144CEET-D101M-CI0CAPACITOR E/ALUMINUM 100uF M 10V 5x11 T C145CFMT-N152J-CJ0CAPACITOR F/POLYESTR 0.0015

48、uF J 100V 5.4x12 T C146CFMT-N152J-CJ0CAPACITOR F/POLYESTR 0.0015uF J 100V 5.4x12 T C147CFMT-N562J-DJ0CAPACITOR F/POLYESTR 0.0056uF J 100V 5.8x12 T C148CFMT-N562J-DJ0CAPACITOR F/POLYESTR 0.0056uF J 100V 5.8x12 T C149CEET-J4R7M-CI0CAPACITOR E/ALUMINUM 4.7uF M 50V 5x11 T C150CEET-J4R7M-CI0CAPACITOR E/A

49、LUMINUM 4.7uF M 50V 5x11 T C151CFMT-N182J-CJ0CAPACITOR F/POLYESTR 0.0018uF J 100V 5.5x12 T C152CFMT-N182J-CJ0CAPACITOR F/POLYESTR 0.0018uF J 100V 5.5x12 T C153CEET-F470M-CI0CAPACITOR E/ALUMINUM 47uF M 25V 5x11 T C154CEET-F470M-CI0CAPACITOR E/ALUMINUM 47uF M 25V 5x11 T C155CEET-F470M-CI0CAPACITOR E/ALUM