Table Of Contents
Contents
1. M TRANSISTOR TRANSISTOR M TRANSISTOR TRANSISTOR M TRANSISTOR TRANSISTOR M TRANSISTOR M DIODES D500 D501 B0JAPG000019 DIODE BOAACK000004 DIODE M M D502 B0JAPG000019 DIODE M D503 DIODE D504 D505 BOAACK000004 D506 BOAACKO000004 DIODE D507 BOAACKO000004 DIODE 0508 BOAACKO000004 DIODE D509 5 100013 D510 BOBA9R600002 D511 000017 DIODE D512 D513 000017 DIODE D514 000017 DIODE BOEAKM000122 000122 DIODE 0515 0516 0517 BOHARMO00017 DIODE M D518 000017 DIODE M D519 BOAACKO000004 DIODE D524 SLIB25URCT31 DIODE 0525 BOBA6R600008 DIODE D527 BOEAKMO000122 DIODE D528 D529 BOEAKM000122 DIODE D530 00122 DIODE D533 5 100013 7 501 125 0095 SYSTEM 5502 07 00020 2 CN503 KIKA12A00066 CN507 BOAACK000004 DIODE M 000122 DIODE M CN506 KIKA03A00006 M K1KA02A00008 CONNECTOR M BOHARMO00017 DIODE M M CONNECTORS 502 KIKA07A00123 2P CONNECTOR M COILS amp TRANSFORMERS L500 LINE FILTER L501 GOAR76Y00001 CHOKE COIL M L502 GOAR76Y2. are used When replacing any of these components be sure to use only manufacturer s specified parts shown in the parts list e The parenthesized indications in the Remarks columns specify the areas or colour Refer to the cover page for area or colour Parts without these indications can be used for all areas e Capacitor values are in microfarads u unless specified otherwise P Pico farads pF F Farads e Resistance values are in ohms unless specified otherwise 1K 1 000 OHM e The marking RTL indicates that the Retention Time is limited for this items After the discontinuation of this assembly in production the item will continue to be available for a specific period of time The retention period of a availabilityis dependent on the type of assembly and in accordance with the laws governing part and product retention After the end of this period the assembly will no longer be available e M Markings in the Remarks columns indicates parts supplied by PAVCSG 13 1 Cabinet 13 1 1 Cabinet Parts Location 13 1 2 Cabinet Parts List 13 2 Electrical Parts List TOP PREVIOUS NEXT 13 1 Cabinet TOP PREVIOUS NEXT 13 1 1 Cabinet Parts Location 13 1 2 Cabinet Parts List TOP PREVIOUS NEXT 13 1 1 Cabinet Parts Location TOP PREVIOUS NEXT TOP PREVIOUS NEXT 13 1 2 Cabinet Parts List TOP PREVIOUS NEXT 2 RMVX0077 J 5 UNIT GUARD M o IS la
3. gt MAIN SIGNAL LINE IC501 RSN311W64B P POWER HIC R502 R506 15 R505 15K C501 505 000 HH 1000P C502 1 C508 8P R516 56K lt gt 680P 506 504 MW C51 9 22P gt BOJAPG000019 D501 D502 4 7K MW AC2 SYS6V R510 es 4 7K SUBW el o 9 i R511 R507 15K 274 HW 9 m 15 1 1 R512 R504 EX Ed DC DET 15K 3 9K O GO HP_CNT T nous W FL gt 100 47K w HELP R542 wy Q520 wy R402 T ii a A GND KTC3 1990 FR SL gt A GND SR gt BOAACKQOO004 br A GND D503 c MA2C700A0F 227 Q506 A GND a JE 81900510015 MUTER Bl 8 L Q505 0501 0502 vss 0501 0502 S KTC3199GRTA 85 KTC3199GRTA FL x C534 548 SWITCHING 5 SWITCH 50V33 2330K 8 2 1 4 4 FL AC
4. pins or solder area and be sure to heat the soldering points with the Pb free solder until it melts enough TOP PREVIOUS NEXT 3 Before Repair and Adjustment TOP PREVIOUS NEXT Disconnect AC power discharge Power Supply Capacitors C546 547 C548 C549 through a 10 1 W resistor to ground DO NOT SHORT CIRCUIT DIRECTLY with a screwdriver blade for instance as this may destroy solid state devices After repairs are completed restore power gradually using a variac to avoid overcurrent Current consumption at AC 230 240 50Hz in NO SIGNAL mode should be 250 mA Current consumption at AC 230V 50Hz in NO SIGNAL mode should be 250 mA EG TOP PREVIOUS NEXT 4 Protection Circuitry TOP PREVIOUS NEXT The protection circuitry may have operated if either of the following conditions are noticed e No sound is heard when the power is turned on e Sound stops during a performance The function of this circuitry is to prevent circuitry damage if for example the positive and negative speaker connection wires are shorted or if speaker systems with an impedance less than the indicated rated impedance of the amplifier are used If this occurs follow the procedure outlines below 1 Turn off the power 2 Determine the cause of the problem and correct it 3 Turn on the power once again after one minute Note When the protection circuitry functions the unit will not operate unless the power is first turn
5. 0 1 4W M 548 ERDS2TJ334T 330K 1 4W M R549 ERDS2TM73T 47K 1 4W M R550 ERDS2TJO3T 10K 1 4 M 4 7K 1 4W M R552 ERDS2TJ562T 5 6K 1 4W M R553 ERDS2TJ563T 56K 1 4W M R554 ERDS2TJ824T 820K 1 4W M R555 ERDS2TJ104T 100K 1 4W M R551 R556 ERDS2TJ103T 10 1 4W R557 ERDS2TJ563T 56K 1 4W M R558 ERDSIFVJ180T 18 1 2W 559 ERDS2TJ563T 56K 1 4W M R560 ERDS2TJ103T 10K 1 4W M R561 ERDS2TJ101T 100 1 4W M R565 ERDS1FVJ392T 3 9K 1 2W R566 ERDS2TJ271T 270 1 4W ERDSIFVJ152T 1 5K 1 2W M ERDS2TJ151T 150 1 4W M R567 R568 R569 ERDS1FVJ392T 3 9K 1 2W M R570 10K 1 4W ERDS2TJ103T R571 ERDS2TJ332T 3 3K 1 4W M R572 ERDS2TJ223T 22K 1 4W R573 DOXGR10JA005 jo 1 10W M R575 ERDS2TJ682T 6 8K 1 4W M R577 ERDS2TJ152T 1 5K 1 4W M R578 ERDS2TJ103T 10K 1 4W R579 ERDS2TJ332T 3 3K 1 4W M ERDS2TJ220T 22 1 4W M R581 ERDS2TJ100T 10 1 4W M R580 R582 ERDS2TJ100T 10 1 4W M R583 ERDS2TJ100T 10 1 4W R584 ERDS2TJ100T 10 1 4W M R585 ERDS2TJ100T 10 1 4W R587 ERDS2TJ272T 2 7K 1 4W M R588 ERDS2TJISIT 150 1 4W M EE EEUU R589 R590 R591 R592 R593 R594 R595 R596 ERDS2TJ103T 10K 1 4W ERDS2TJ102T 1K 1 4W ERDS2TJ682T 6 8K 1 4W M ERDS2TJ683T 68K 1 4W ERDS2TJ474T 470K 1 4W ERDS2TJ103T 10K 1 4W ERDS2TJ101
6. 00001 CHOKE COIL L503 GOAR76Y00001 CHOKE COIL M L504 GOAR76Y00001 CHOKE COIL M L505 GOAR76Y00001 CHOKE COIL M T501 ETP76VSU62CA POWER TRANSFORMER T502 G4C2A AJ00005 BACK UP TRANSFORMER COMPONENT COMBINATION Z501 ERZV10V511CS ZENER M SPEAKER 11 88 EE ua ry II RLY501 RSY0040M 0 1 K5D202BK0005 250V 2A FUSE M FUSE HOLDERS 501 52 FUSE HOLDER M FC502 EYF52BC FUSE HOLDER M FUSE PROTECTOR K5G502AA0002 5 FUSE PROTECTOR M 4 I _ Dr c I 500 K1YF12000002 12P WIRE HOLDER M 505 CABLE HOLDER M 505 CABLE HOLDER M WACKS C C C C C C C _____ JK500 K2AA2B000004 JK AC INLET M JK501 K4BC06B00043 M JK502 K4BC04B00075 JK SPEAKER M EARTH TERMINAL 4 701000027 500 TERMINALS E501 K4CZ01000027 TERMINALS z 11 PE 1205 5 1204 W500 1146 WIRE UNIT RWJ1103280XX STRAND TYPE WIRE M RESISTORS R401 ERDS2TJ224T 220K 1 4W M R402 ERDS2TJ102T 1 4W M 403 ERDS2TJ 104T 100 1 4W M R501 ERDS2TJ472T 4 7K 1 4W M 505 R502 ERDS2TJ472T 4 7K 1 4W R503 ERDS2TJ153T 15K 1 4W M R504 ERDS2TJ153T 15K 1 4W R505 ERDS2TJ153T 15K 1 4W M R506 ERDS2TJ
7. 1 Q507 1 we KIOSA TA kro 58 AMV DEN C539 a R566 0508 mes KTA12710YTA CURRENT AMP C541 zk 16V10 R554 820K MW Q510 BOAACK000004 C537 0 1 KTC3199GRTA SWITCH D507 D519 SCHEMATIC DIAGRAM 2 B SIGNAL LINE Ey MAIN SIGNAL LINE LI POWER CIRCUIT 148 SIGNAL LINE R597 10K C564 R5944 AA10K 1200P TW R592 R403 R599 051411 ak 68K 505 pom R591 R593 R571 124 R572 6 8K 470K 3 3K pe 20K T C562 5600PT I 0524 0525 n 0 1 0 1 T 0 082 x FLch R575 A 9 68 50 22 AN gt FRch 1 Q 1501 07H aaa A sa AW c518 L 158 1502 0 7 H 0 047 i NON 0513 0514 R533 25341996 r PONO KTC3199GRTA 10 10 0526 4 0527 DC DETECT SWITCH 0 1 01 1505 07 H f f rage BB JK502 L503__ 07H gt SRRch aaa l ANN 5 L504 0 7 H T CENTER a SVN R584 10 C523 MW 0 047 T 6520 C521 LC522 569 1 0 0477 0 0477 0 047 w R535 R536 R537 R538 1 gt 10 102510 10 552 4 sue w
8. 502 CENTRE SPEAKER DC DET MUTE H Q520 SUBACI INTERFACE SWITCH D513 D515 D517 1 502 000055 GB Ze Q514 0507 0510 SUBWOOFER SWITCH 0511 0512 0516 0518 0511 POWER TRANSFORMER FILTER gt rO FRONTL R 4 FILTER 1 501 D FRONT SPEAKER Q501 SUBAC2 FL2 SIGNAL LINES 0527 0530 50 TRANSFORMER 1 500 1500 AC INLET ES MAIN SIGNAL LINE Indicates Pin No of Right Channel Note Signal Lines are applicable to the Left Channel only B C D E F G S INLET P C B REP3435M EG 230 240V 50HZ EB 230V 50HZ EG REP3435N EB W2A W1A o F1 125V 2A T502 SUB TRANSFORMER R590 24 579 P 0500 RLY501 4529 4522 CAUTION RISK OF ELECTRIC SHOCK AC VOLTAGE LINE PLEASE DO NOT TOUCH THIS P C B 1 e TRANSFORMER P C B REP3435M EG REP3435N EB CAUTION RISK OF ELECTRIC SHOCK AC VOLTAGE LINE PLEASE DO NOT TOUCH THIS P C B 1 LED P C B REP3435M EG REP3435N EB J520 ac
9. 6 then pull out the entire Power Amp unit Step 10 Steps 9 amp 10 Remove all the screws CN507 Step 11 Step 11 Release the connector CN507 to remove the rear panel e Checking for the Power and AC Inlet P C B Transformer AC Inlet P C B GP x 2 Step 12 4 4 Step 12 Remove the screws from the AC Inlet P C B Step 14 Steps 13 amp 14 Remove the screws Power P C B NOTE Lay the insulating material Step 15 Place the Power P C B and the AC Inlet P C B as shown for checking e Checking for the Transformer P C B Step 16 Remove the screws Transformer P C B AC Inlet P C B Power P C B Led P C B Step 17 Place the P C B as shown for checking e Replacement of the Power IC and Transistor Step 2 Remove the screws from the IC501 Step 3 Step 3 Remove the screw IC501 Q511 Step 4 Replacement of the Power IC and Transistor 7 Connection of the Speaker Wiring TOP PREVIOUS NEXT BLACK 0 Woofer RED c RED 3 17cm Cone TOP PREVIOUS NEXT 8 Block Diagram TOP PREVIOUS NEXT TOP PREVIOUS NEXT 9 Schematic Diagram TOP PREVIOUS NEXT All schematic diagrams may be modified at any time with the development of the new technology Note e The voltage value and waveforms are the reference voltage of this unit measured by DC electronic voltmeter high impedance and oscill
10. 999999890 99 1 1 473 012 0 047 50 IM F1D1H1040002 0 1 50 IM F1D1H1040002 jo 50 IM F1D1H1040002 0 1 50 IM F1D1H1040002 0 1 50 IM 1 1 473 012 0 047 50 IM F1D1H1040002 0 1 50 IM ECBTIH102KB5 1000 50 M ECBT1H102KB5 1000P 50V ECA1HM330B 33 50V M 1 330 33 16V F1D1H1040002 0 1 50V M ECEAIHKA2R2B 2 2 50V ECEA1CKA100B 10 16V ECBT1H102KB5 1000P 50V M ECA1HM101B 100 50 IM F1D1H1040002 0 1 50 IM ECA1VM332B 3300 35V F2A1V472A155 4700P 35V IM F2A1V472A155 4700P 35V ECA1VM332B 3300 35 IM ECBTIH103KB5 0 01 50V M F1D1H1040002 0 1 50V 1104 0 1 100 M ECQE1104KF3 0 1 100V M 4 7 47 35 M ECBTIH103KB5 0 01 50V M ECEAICKA220B 22 16V ECA1CM102B 1000 16V M ECBT1H103KB5 0 01 50V ECA1HM100B 10 50V M ECEAIHKA2R2B 22 50V M C562 ECQB1H562JF3 5600P 50V M C563 ECQV1H823JL3 0 082 50V M C564 ECBT1C122KR5 1200P 16V M C565 F1D1H1040002 0 1 50V M C566 F1D1H1040002 0 1 50V M ECA1HM100B ECBT1C103NS5 0 01 16V C567 C568 C569 F1D1H473A012 0 047 50V IM TOP PREVIOUS NEXT 13 3 Packing Materials amp Accessories Parts List TOP PREVIOUS NEXT Ref Part No Part Name amp Description Remarks PACKING MATERIALS Pl RPNX0232 POLYFOA
11. I53T 15K 1 4W M R507 ERDS2TJ392T 3 9K 1 4W M R508 ERDS2TJ392T 3 9K 1 4W M R509 ERDS2TJ472T 4 7K 1 4W M R510 ERDS2TJ472T 47K1 4W M R511 ERDS2TJ153T M R512 ERDS2TJIS3T 15 1 4 M R513 ERDS2TJ563T 56K 1 4W M 56K 1 4W M R515 ERDS2TJ563T 56K 1 4W M R516 ERDS2TJ563T 56K 1 4W M R517 ERDS2TJ563T 56K 1 4W M R518 ERDS2TJ563T 56K 1 4W M R514 R519 ERDS2TJ824T 820K 1 4W R520 ERDS2TJ223T 22K 1 4W M R521 ERDS2TJ103T 10K 1 4W R522 ERDS2TJ273T 27K 1 4W M R523 ERDS2TJ124T 120K 1 4W M R524 ERDS2TJ124T 120K 1 4W M R525 ERDS2TJ154T 150K 1 4W R526 ERDS2TJ124T 120K 1 4W ERDS2TJ124T 120K 1 4W M ERDS2TJ154T 150K 1 4W M R527 R528 R529 ERDS2TJ223T 22K 1 4W M R530 ERD25FVJ1ROT R531 ERD25FVJ1ROT 1 1 4W M R532 ERDS2TJ472T 4 7K 1 4W R533 ERDSIFVJ100T 10 1 2W M R534 ERDSIFVJ100T 10 1 2W M R535 ERDSIFVJ100T 10 1 2W M R536 ERDSIFVJ100T 10 1 2W R537 ERDSIFVJ100T 10 1 2W M ERDSIFVJ100T 10 1 2W IM R539 ERDS2TJ101T 100 1 4W M R538 R540 ERDS2TJ101T 100 1 4W M R541 ERDS2TJ101T 100 1 4W R542 ERDS2TJ101T 100 1 4W M R543 ERDS2TJ101T 100 1 4W R544 ERDS2TJ101T 100 1 4W M R545 ERDS2TJ224T 220K 1 4W M MEE 9 99999999 R546 ERDS2TJ102T 1 4W M R547 ERDS2TJ394T 39
12. M M 2 0071 M TOP PREVIOUS NEXT 13 4 Packaging TOP PREVIOUS TOP PREVIOUS IE m TT E TRANSFORMER EJ at m 000055 RSN311W64B P KTA12710YTA KTC3199GRTA B1GCCFJJ0015 KRC102MTA B B Bc i KTC2026 MA2C700A0F 000017 BOBA9R600002 00004 53 Cathode a Cathod Cathod A i Z Anode Anode Anode Anode 0 000019 6 600008 SLI325URCT31 BOEAKM000122 BOBA5R100013 Ca Ca Cathode Cathode gt Anode A A A Cathode Cathode Anode A s Ca Anode Anode TO MAIN UNIT CENTER SPEAKER SURROUND RIGHT SPEAKER SURROUND LEFT SPEAKER FRONT RIGHT SPEAKER FRONT LEFT SPEAKER SPEAKER WOOFER 3 H505A W505 SOLDER SIDE SOLDER SIDE F Power BLU BRW H500 W500 SOLDER SIDE T501 POWER TRANSFORMER TRANSFORMER T502 SUB TRANSFORMER AC INLET AC IN 120V 60HZ SOLDER SIDE 1 EN POWER P C B REP3435M EG REP3435N EB TO MAIN UNIT CENTRE SPEAKER SURROUND RIGH SPEAKER SPEAKER SURROUND LEFT FRONT RIGHT SPEAKER SPEAKER FRON
13. SIZE 15 0mm 22 5mm 4534 E EE EG EB GN L 2 SECONDARY PRIMARY T501 POWER TRANSFORMER 5 H500 W500 ro m POWER CIRCUIT CN503 ON SCHEMATIC DIAGRAM 2 CHEMATIC DIAGRAM 3 B SIGNAL LINE 4B SIGNAL LINE C555 kra 35V4 7 ANN 0516 8578 102 10K SYNC SWITCH CN502 0527 0530 e PCONT 8350 000122 ANN 0517 R587 2026 2 7K VOLTAGE REGULATOR 555 A 20528 155 E Q 28 sets Less 88 001 0 01 8588 og 941 4 O E 557 0525 10 22 BoBA6R600008 0529 20527 R401 220K R590 R579 1K 3 3K Q519 0515 KTC3199GRTA DCDET SWITCH 0515 KTC3199GRTA DC DET SWITCH A 2 5 N 0500 ETP76VSU62CA BOAACK000004 D500 RSY0040M 0 A 502 G4CZAAJ 00005 r RLY501 C500 1000P 250 F1 L500 V 2 0A RLQZ371 JK500 A Z501 ERZV10V511CS Ld Ze FC501 TRANSFORMER CIRCUIT AC INLET CIRCUIT jo A AC IN EB 230 240V 50Hz EG 230V 50Hz
14. Select items from the following index when checks or replacement are required Contents e Disassembly of the Speaker Unit e Main Component Replacement Procedures 6 1 Disassembly flow chart 6 2 Disassembly of the Speaker Unit and Checking of the P C B s TOP PREVIOUS NEXT 6 1 Disassembly flow chart TOP PREVIOUS NEXT The following chart is the procedure for disassembling the casing and inside parts for internal inspection when carrying out the servicing To assemble the unit reverse the steps shown in the chart below Stand Base Removal of Subwoofer Power Amp Unit Power P C B and AC Inlet P C B Transformer P C B Replacement of the Power IC and Transistor TOP PREVIOUS NEXT 6 2 Disassembly of the Speaker Unit and Checking of the P C B s TOP PREVIOUS NEXT gt x 5 Step 1 Step 1 Remove all the screws Step 2 Remove the stand base 65555 Step 4 Remove the screws from the rear 5 speaker unit guide gt 1 NAP 4 L x 9 l Step 5 TAM i J M ZA CN SS S x SZ e un E ra Step 5 Remove the screws from the subwoofer e Disassembly of Power Amp unit Step 6 Step 6 Remove 2 screws from the Power Amp unit Power Amp Unit Step 7 Pull out the Power Amp unit slightly as shown Note Be careful of attach wire at CN506 Step 8 Release the connector CN50
15. T 100 1 4W ERDS2TJ473T 47K 1 4W M R597 ERDS2TJ 103T 10K 1 4W R598 ERDS 1 52 1 5K 1 2W E R599 C500 C501 C502 C503 C504 ERDS2TJ223T 22K 1 4W ECKWRS102MBC 1000P 400V ECBTIHIO2KB5 1000P 50V 1 102 5 1000P 50 ECBT1H102KB5 1000P 50V 1 681 5 680P 50V C505 1 102 5 1000P 50V ECBTIHIO2KB5 1000P 50V C506 C507 C508 C509 C510 C511 C512 C513 C514 C515 C516 C517 C518 C519 C520 C521 C522 Eeee 0 0 14 44888899 ECBT1H180JC5 18P 50V ECBT1H180JC5 18P 50V ECBT1H220JC5 22P 50V ECBT1H220JC5 22P 50V ECBT1H220JC5 22P 50V F1D1H473A012 0 047 50V ECA0JM101B 100 6 3V CAPACITORS ECBT1H220JC5 22 50 M ECKR2H103ZF5 001 500 IM ECKR2H103ZF5 0 01 500V M 1 103 55 0 01 16V F1D1H473A012 0 047 50V F1D1H473A012 0 047 50V FIDIH473A012 0 047 50V F1D1H473A012 0 047 50V IM F1D1H473A012 0 047 50V M M C523 C524 C525 C526 C527 C528 C529 C530 531 ECBTIHI02KB5 1000 50 M 1 102 5 1000P 50 IM C532 C533 C534 C536 C537 C538 ECAOIMIOIB 100 6 3V M ECEAOJKA221B 220 6 3 IM C539 C540 C541 C543 C544 C545 C546 C547 C548 C549 C550 1 103 55 0 01 16 551 552 553 554 555 556 557 558 559 560 561 314 4 4444499999999999999
16. T LEFT R522 Q 8545 gl T wo a C534C RH C561 6 C563 C566 5 1877s 18 mu E 0565 7 H592 R403 C564 R591 aco 08474 J515 Q505 Q50 J511 is 21815 Y J563 J562 4599 4561 t gt lo Io J536 C56 m _ 2445 pj J597 4576 D516 a C540 C R557 4 c539c ut D502 J598 0515 R523 0505 c 2 Web Ts LIC501_ 16 17 18 19 20 CAUTION RISK OF ELECTRIC SHOCK AC VOLTAGE LINE PLEASE DO NOT TOUCH THIS P C B 2080 4 Svar 25 E 5 689 PSSO 2990 E ala A z ever Lisa eer SR 7150 999 4 iul i zest gt 9984 6 ed 4 Gig lt R 8880 0SSH zisa 9683 gt gt 8080 9060 44 09SH vosy 1994 easy AE 8080 metes _ 9169 ml soso 2999 ST OvSO GR 26840 809 LOGO 6 17 18 19 20 21 22 23 24 25 26 CN501 TO MAIN CIRCUIT JK2000 OF SA HT520E EB EG S 4 TO FAN CN507 SCHEMATIC DIAGRAM 1 wal POWER CIRCUIT C551 E501 K4CZ01000027 R501 4 7K B SIGNAL LINE _ B SIGNAL LINE
17. TOP PREVIOUS NEXT EVA PACKING FOR WOOF JRMQX0088J RGKX0255 SJ STAND ORNAMENT M RGRX0033C AJ REAR PANEL M EG RGRX0033C BJ REAR PANEL M EB 0072 3 SHE187 6J PCB SUPPORT 1 0203 PCB HOLDER M RMRX0047 J LED HOLDER M RKAX0018 KJ LEG CUSHION RMCOISES 5 TR FIXTURE EI SCREW 1 XTB3 16AFZ SCREW 1 So XTB4 15AFZ x SCREW 1 SCREW 1 x SCREW 1 SCREW 1 XTBS3 8JFZ1 XTS4 20JFZ XYC264CJ6FZ 13 2 Electrical Parts List TOP PREVIOUS NEXT Ref No 1 501 RSN311W64B P 1 502 COAABB000055 0501 KTC3199GRTA Q502 KTC3199GRTA TRANSISTOR M Q503 KTC3199GRTA Q505 Q506 15 0507 0508 12710 KTC3199GRTA KTC3199GRTA Q509 KTC3199GRTA Q510 0511 0513 0514 KTC3199GRTA KTC2026 KTC3199GRTA KTC3199GRTA 0515 KTC3199GRTA TRANSISTOR M TRANSISTOR M Q516 KRC102MTA Q517 Q519 Q520 KTC2026 KTC3199GRTA B1GCCFJJ0015 395558588898889 111 8 Part Name amp Description PRINTED CIRCUIT BOARD POWER AC INLET P C B TRANSFORMER P C B LED P C B M EG RTL POWER AC INLET P C B TRANSFORMER P C B LED P C B M EB RTL INTEGRATED CIRCUITS IC HIC M IC AMP M TRANSISTORS TRANSISTOR M TRANSISTOR M TRANSISTOR TRANSISTOR M TRANSISTOR M TRANSISTOR M TRANSISTOR
18. Table Of Contents COVER 1 Safety Precautions 1 1 GENERAL GUIDELINES 1 1 1 LEAKAGE CURRENT COLD CHECK 1 1 2 LEAKAGE CURRENT HOT CHECK See Figure 1 2 Handling the Lead free Solder 2 1 About lead free solder PbF 3 Before Repair and Adjustment 4 Protection Circuitry 5 Connection of the Speaker Cables 6 Disassembly Procedure PV 6 1 Disassembly flow chart 6 2 Disassembly of the Speaker Unit and Checking of the P C B s 7 Connection of the Speaker Wiring 8 Block Diagram 9 Schematic Diagram 10 Printed Circuit Board 11 Wiring Connection Diagram 12 Illustration of IC s Transistors and Diodes 13 Parts Location and Replacement Parts List 13 1 Cabinet 13 1 1 Cabinet Parts Location 13 1 2 Cabinet Parts List 13 2 Electrical Parts List Service Manual TOP NEXT ORDER NO MD0402046C2 Active Subwoofer System e SB WA520EB SB WA520EG Colour S Silver Type Active subwoofer Type Woofer Impedance Output sound pressure Frequency range Dimensions W x H x D Mass General Power supply Power consumption Service Manual Specification 1 way speaker system Bass reflex 17 cm cone type 40 80 dB W 1 0 m 32 Hz 220 Hz 16 dB 36 Hz 190 Hz 10 dB 209 x 361 x 463 mm 11 kg AC 230 240 V 50 Hz EB AC 230 V 50 Hz EG 220W Power consumption in standby mode 07W Note Specif
19. ed off and then on again TOP PREVIOUS NEXT 5 Connection of the Speaker Cables TOP PREVIOUS NEXT e sure to connect speaker cables before connecting the AC power supply cord e The load impedance of any speaker used with this unit must be 4O e Besure to connect the cable from the right speaker to the right terminal and the cable from the left speaker to the left terminal 1 Strip off the outer covering and twist the center conductor Make sure the bare ends of the wires are not unravelled If they are twist them tight again 2 Insert the wire to the rear panel of the unit and close the lever Speaker cable sticker 2 FRONT R SUBWOOFER 8 CENTER f Copper JE 2 Silver 1 Notes e To prevent damage to circuitry never short circuit positive and negative speaker wires e Be sure to connect only positive red wires to positive terminals and negative black wires to negative terminals TOP PREVIOUS NEXT 6 Disassembly Procedure TOP PREVIOUS NEXT ATTENTION SERVICER Some chassis components may have sharp edges Be careful when disassembling and servicing 1 This section describes procedures for checking the operation of the major printed circuit boards and replacing the main components 2 For reassembly after operation checks or replacement reverse the respective procedures Special reassembly procedures are described only when required 3
20. ications are subject to change without notice Mass and dimensions are approximate System SC HT520EB Music Center SA HT520EB Satellite speakers SB HT520P Active Subwoofer SB WA520EB System SC HT520E Music Center 8 520 Satellite speakers 5 520 Active Subwoofer SB WA520EG System 5 520 Music Center SA HT520EG Satellite speakers 5 520 Active Subwoofer SB WA520EG SB HT520P S consists of SB FS520P S x 4 and SB PC520P S x 1 2004 Panasonic AVC Networks Singapore Pte Ltd All rights reserved Unauthorized copying and distribution is a violation of law ZA WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public It does not contain warnings or cautions to advise non technical individuals of potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death Panasonic TOP NEXT 1 Safety Precautions TOP PREVIOUS NEXT 1 1 GENERAL GUIDELINES 1 1 1 LEAKAGE CURRENT COLD CHECK 1 1 2 LEAKAGE CURRENT HOT CHECK See Figure 1 TOP PREVIOUS NEXT 1 1 GENERAL GUIDELINES TOP PREVIOUS NEXT 1 When servicing observe the original lead dress If a short c
21. ircuit is found replace all parts which have been overheated or damaged by the short circuit 2 After servicing see to it that all the protective devices such as insulation barriers insulation papers shields are properly installed 3 After servicing make the following leakage current checks to prevent the customer from being exposed to shock hazards 1 1 1 LEAKAGE CURRENT COLD CHECK 1 1 2 LEAKAGE CURRENT HOT CHECK See Figure 1 TOP PREVIOUS NEXT 1 1 1 LEAKAGE CURRENT COLD CHECK TOP PREVIOUS NEXT 1 Unplug the cord and connect a jumper between the two prongs on the plug 2 Measure the resistance value with an ohmmeter between the Jumpered AC plug and each exposed metallic cabinet part on the equipment such as screwheads connectors control shafts etc When the exposed metallic part has a return path to the chassis the reading should be between and 5 20 When the exposed metal does not have a return path to the chassis the reading must be Fig 1 Hot Check Circuit VOLTMETER TO APPLIANCES wars WATER PIPE EARTH GROUND EXPOSED METAL PARTS 15000 10W TOP PREVIOUS NEXT 1 1 2 LEAKAGE CURRENT HOT CHECK See Figure 1 TOP PREVIOUS NEXT 1 Plug the cord directly into the AC outlet Do not use an isolation transformer for this check 2 Connect a 1 5 10 watts resistor in parallel witha 0 15H F capacitors between each exposed metallic part on the set and a good ea
22. oorrtR TU 208 n5 118 100 0 1 CN506 4 41533 T 1000P t AC INLET CIRCUIT CN502 ON SCHEMATIC R598 DIAGRAM 3 1 5K D509 RA C550 BOBA5R100013 1 Ms AN 0 01 E500 C560 D C567 D533 R567 K4CZ01000027 509 zm zz D515 D516 50V10 50V10 1 5K ZI DBIE R505 4 4 150 0515 C547 54 D533 35V4700 WY 5 100013 lt lt dhodo C545 L C546 C548 H505A W505 01 35V3300 35V4700 H505B W505 LED CIRCUIT D517 i R565 3 9K 0513 0511 Y I haa CN503 D514 D512 9 J Tal ch ma REC oid hd amp R568 150 E eR ON C544 A 0 1 5 50V100 Z BOBA9R600002 1 BIAGRAM 3 A em 4 FP1 2 5 K5G502AA0002 IC501 RSN311W64B P POWER HIC POWER CONTROL CIRCU POWER CONTROL PROTECTION CIRCUIT TO MAIN BLOCK K2000 OF SA HT520E EB EG S SURRL R 18 19 4DI SENS VCC LOW a bi FL_O R FILTER DISP HMUT Q505 LOW 0502 CENTRE FILTER TO N DI SENS SURROUND J 501 K502 1
23. oscope on the basis of chassis Accordingly there may arise some error in voltage values and waveformsdepending upon the internal impedance of the tester or the measuring unit e Importance safety notice Components identified by mark have special characteristics important for safety Furthermore special parts which have purposes of fire retardant resistors high quality sound capacitors low noise resistors etc are used Whenreplacing any of components be sure to use only manufacturer s specified parts shown in the parts list Caution IC LSI and VLSI are sensitive to static electricity Secondary trouble can be prevented by taking care during repair e Cover the parts boxes made of plastics with aluminium foil e Puta conductive mat on the work table e Ground the soldering iron e Do not touch the pins of IC LSI or VLSI with fingers directly TOP PREVIOUS NEXT 10 Printed Circuit Board TOP PREVIOUS NEXT TOP PREVIOUS NEXT 11 Wiring Connection Diagram TOP PREVIOUS NEXT TOP PREVIOUS NEXT 12 lllustration of IC s Transistors and Diodes TOP PREVIOUS NEXT TOP PREVIOUS NEXT 13 Parts Location and Replacement Parts List TOP PREVIOUS NEXT Notes e Important safety notice Components identified by h mark have special characteristics important for safety Furthermore special parts which have purposes of fire retardent resistors high quality sound capacitors low noise resistors etc
24. rth eround such as a water pipe as shown in Figure 1 3 Use an AC voltmeter with 1000 ohms volt or more sensitivity to measure the potential across the resistor 4 Check each exposed metallic part and measure the voltage at each point 5 Reverse the AC plug AC outlet and repeat each of the above measurements 6 The potential at any point should not exceed 0 75 volts RMS A leakage current tester Simpson Model 229 or equivalent may be used to make the hot checks leakage current must not exceed 1 2 milliamp In case a measurement is outsideof the limits specified there is a possibility of a shock hazard and the equipment should be repaired and rechecked before it is returned to the customer TOP PREVIOUS NEXT 2 Handling the Lead free Solder TOP PREVIOUS NEXT 2 1 About lead free solder PbF TOP PREVIOUS NEXT 2 1 About lead free solder PbF TOP PREVIOUS NEXT Distinction of PbF P C B P C B s manufactured using lead free solder will have a PbF stamp on the P C B Caution e Pb free solder has a higher melting point that standard solder Typically the melting point is 50 70 F 30 40 C higher Please use a high temperature soldering iron In case of the soldering iron with temperaturecontrol please set it to 700 20 F 370 10 C e Pb free solder will tend to splash when heated too high about 1100 F 600 C e When soldering or unsoldering please completely remove all of the solder on the
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