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Matsushita Electric SE-HD550 Service Manual

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AD0104081C3
Amplifier
SE-HD550
Colour
(N)...........Gold Type
Area
(GN).........Oceania.
SPECIFICATIONS
2001 Matsushita Electric Industrial Co., Ltd. All rights reserved.
Unauthorized copying and distribution is a violation of law.
1

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Summary of Contents for Matsushita Electric SE-HD550

  • Page 1 AD0104081C3 Amplifier SE-HD550 Colour (N)...Gold Type Area (GN)..Oceania. SPECIFICATIONS 2001 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law.

  • Page 2: Before Repair

    1. Before Repair 1. Turn off the power supply. Using a 10 , 10 W resistor, connect both ends of power supply capacitors (C601, C602) in order to discharge the voltage. 2. Before turning the power supply on, after completion of repair, slowly apply the primary voltage by using a power supply voltage controller to make sure that the consumed current at 50 Hz in NO SIGNAL mode should be shown below with respectto supply...
  • Page 3 - AC power supply cord (RJA0035-X)...........1 pc. - AM loop antenna set (RSA0033B)..........1 pc. - FM indoor antenna (RSA0006-J)..........1 pc. - Speaker cords (REE1057) (Red, Black)......2 pcs. (REE0853) (Blue, Gray)......2 pcs. - Remote control transmitter (EUR7702010).........1 pc.
  • Page 4 - Remote control batteries (R6/LR6, AA, UM-3)........2 pcs. Note: These are available on sales route. 4. Location of Controls 5. Operation Checks and Component Replacement / Procedures - This section describes procedures for checking the operation of the major printed circuit boards and replacing the main components.
  • Page 5 - Check the power supply P.C.B. as shown below. 5.2. Checking for the operation P.C.B. - Follow the (Step 1) - (Step 3) of item 5.1. - Check the operation P.C.B. as shown below.
  • Page 6 5.3. Checking for the main P.C.B. - Follow the (Step 1) - (Step 3) of item 5.1. - Check the main P.C.B. as shown below.
  • Page 7 - Follow the (Step 1) - (Step 3) of item 5.3. 6. To Supply Power Source and Signal Check To operate this unit SE-HD550 normally, it is necessary to connect to the unit ST-HD550. When operating the unit SE-HD550, be sure to connect to the unit ST-HD550 by connection cable.

  • Page 8: Schematic Diagram Notes

    2. Connect the AC power supply cord to the Amplifier / (SE-HD550). Refer to Fig. 6-1. 3. Connect the speakers to speaker terminal. / Refer to Fig. 6-1. 4. Turn on the power of the Amplifier (SE-HD550). 5. Set INPUT SELECTER to select the external source (EXT) of the Amplifier (SE-HD550).
  • Page 9 Bass up switch (BASS S505: VGCA (variable gain control amplifier) switch (VGCA) S506: Treble down switch (TREBLE S507: Treble up switch (TREBLE VR501: Input selector VR (INPUT SELECTOR) VR502: Volume control VR (VOLUME) - Indicated voltage values are the standard values for the unit measured by the DC electronic circuit tester (high-impedance) with the chassis taken as standard.
  • Page 10 IC and LSI are sensitive to static electricity. Secondary trouble can be prevented by taking care during repair. Cover the parts boxes made of plastics with aluminum foil. Ground the soldering iron. Put a conductive mat on the work table. Do not touch the legs of IC or LSI with the fingers directly.
  • Page 11 When replacing any of components, be sure to use only manufacture’s specified parts shown in the parts list. - The <IA> marks in Remarks indicate language of instruction manual. <IA>: English - The marking [RTL] indicates that Retention Time is Limited for this item.
  • Page 12 Ref. No. Part No. Part Name & Description Remarks RHD30082-K SCREW RGK1324-M SIDE PANEL(L) RGK1325-M SIDE PANEL(R) RMZ0339 ZNR COVER RKA0114-K FOOT RKA0083-K CUSHION XTB3+5JFZ SCREW RGG0186-S FRONT PANEL RGL0531-Q INDICATOR,VGCA RGL0541-Q INDICATOR,STANDBY RGP0838-S SUB PANEL RGU1936-S BUTTON,POWER RGW0357-S KNOB,VOLUME RGW0362-S KNOB,SELECTOR RHD26016...
  • Page 13 Ref. No. Part No. Part Name & Description Remarks REE1057 SPEAKER CORD REE0853 SPEAKER CORD RSA0006-J FM INDOOR ANTENNA RSA0033B AM LOOP ANTENNA RJA0035-X AC POWER SUPPLY / CORD RQT5744-B INSTRUCTION MANUAL <IA> RQCB0169 SERVICE CENTER LIST C105,06 ECBT1H470J5 50V 47P F1D1H470A006 C107-10 ECBT1H473KB5...
  • Page 14 C328 ECBT1H104ZF5 50V 0.1U F1E1H104A001...
  • Page 15 Ref. No. Part No. Part Name & Description Remarks C329 ECA1EAM101XB 100U C331-34 ECBT1H102KB5 50V 1000P F1D1H102A012 C335,36 ECBT1H101KB5 50V 100P F1D1H101A012 C337,38 ECBT1H150JC5 50V 15P C339,40 ECBT1H331KB5 50V 330P F1D1H331A012 C341,42 ECBT1H103KB5 50V 0.01U C343,44 ECA1CAK100XB 16V 10U C345 ECBT1H103KB5 50V 0.01U C346,47...
  • Page 16 Ref. No. Part No. Part Name & Description Remarks D308-10 RL1N4003N02 DIODE D312 MA4051M DIODE MAZ40510M D313 RL1N4003N02 DIODE D314 MA4091M DIODE MAZ40910M D315 MA4240H DIODE MAZ42400H / D316-22 RL1N4003N02 DIODE D325,26 MA4075M DIODE MAZ40750M D328,29 MA4120M DIODE MAZ41200M / D330,31 MA165 DIODE...
  • Page 17 Q114,15 2SC3311ATA TRANSISTOR 2SC3311A0A...
  • Page 18 Ref. No. Part No. Part Name & Description Remarks Q117,18 2SC3311ATA TRANSISTOR 2SC3311A0A Q126 UN4211 TRANSISTOR UNR4211 Q127 2SC3311ATA TRANSISTOR 2SC3311A0A Q301 2SC3940AQSTA TRANSISTOR 2SC3940ARA / Q307 2SC3311ATA TRANSISTOR 2SC3311A0A Q308 2SB621A-R TRANSISTOR 2SB0621AH / Q311 2SC3311ATA TRANSISTOR 2SC3311A0A Q312 2SD592AR TRANSISTOR 2SD0592AR /...
  • Page 19 Ref. No. Part No. Part Name & Description Remarks R306 ERDS2FJ473 1/4W 47K R307 ERDS2FJ103 1/4W 10K R309 ERDS2FJ331 1/4W 330 R310 ERDS2FJ681 1/4W 680 R311 ERDS1FJ3R3 R313 ERDS2FJ473 1/4W 47K R314 ERDS2FJ392 1/4W 3.9K R316 ERDS2FJ102 1/4W 1K R317 ERDS2FJ472 1/4W 4.7K R318...

  • Page 20: Cabinet Parts Location

    Ref. No. Part No. Part Name & Description Remarks S501 EVQ11G05R SW,POWER S503-07 EVQ11G05R SW,PUSH VR501 K9AA012A0003 V.R.,INPUT SELECTOR VR502 EVEKC2F2524B V.R.,VOLUME W301 REX0962 FLAT CABLE(20P) Z101 ERZV10V511CS COMPONENT / COMBINATION 14. Cabinet Parts Location...
  • Page 21 15. Packaging...
  • Page 22 F010400000YM/KH...

  • Page 23: Power Supply Circuit

    :POSITIVE VOLTAGE LINE POWER SUPPLY CIRCUIT :NEGATIVE VOLTAGE LINE :AUDIO SIGNAL LINE W301 Lch IN A.GND Rch IN MUTE POWER +B(13V) LED CONT D.GND -B(-13V) To TUNER (ST-HD550) +B(16V) +B(12V) KEY SE JOG A JOG B HPDET -B(-24V) SYNC Q319 2SC3311ATA R213 LED DRIVE...
  • Page 24 :POSITIVE VOLTAGE LINE :NEGATIVE VOLTAGE LINE :AUDIO SIGNAL LINE C309 25V470 D331 MA165TA CN110 Q301 2SC3940AQSTA REGULATOR D322 R331 RL1N4003N02 15.7V 30.6V C305 C311 0.01 16.3V CN109 D308,309 RL1N4003N02 D304,307 1N5402BM21 C308 2200 D313 R311 RL1N4003N02 -21V C329 C319 D320 R309 Q308 2SB621AQRSTA...

  • Page 25: Main Circuit

    :POSITIVE VOLTAGE LINE MAIN CIRCUIT :NEGATIVE VOLTAGE LINE :AUDIO SIGNAL LINE CP110 IC101 RSN314H41 POWER AMP -12.3V -21V CP109 L105 C151 C119 R143 820P C152 R139 R155 L106 820P R144 C105 L103 C150 R124 0.022 R115 R117 C106 L104 R174 R114 R116 R118...
  • Page 26 :AUDIO SIGNAL LINE Q117 2SC3311ATA R163 OVER LOAD DET. 5.4V D108 RL1N4003N02 R181 C143 R164 Q105 Q113 1000P 3.3K 4.7V 4.7V Q105,113 2SA1309ATA OVER LOAD DET. Q106,107,114,115 Q118 2SC3311ATA 2SC3311ATA PROTECTOR SWITCHING(MUTE) D119 Q107 Q106 Q114 Q115 R187 3.6V 3.6V 3.6V 3.6V MA165TA...
  • Page 27 M5218AFPE3 RSN314H41 2SB621AQRSTA 2SC3940AQSTA 2SD592AQRSTA 2SA1309ATA 2SC3311ATA UN4111TA UN4115TA UN4211TA 2SD2144STA MA165TA MA4051MTA 1N5402BM21 MA4075MTA RL1N4003N02 MA4091MTA Cathode Cathode Cathode MA4120MTA Cathode MA4150MTA MA4160MTA Anode MA4240MTA Anode Anode Anode SELS5923C Anode SLR-325MC Cathode SLR-325VC...

  • Page 28: Power Supply Pcb

    SPEAKERS CP106 CN106 To TUNER W301 MAIN P.C.B. CN110 CP110 CP112 CN109 CP109 W108 9 ..1 W601 4 . . 1 POWER SUPPLY P.C.B. 1 ..9 POWER CP501 CP108...
  • Page 29 Amplifier 9 Input selector (INPUT SELECTOR) : VGCA indicator (VGCA) ; Volume control (VOLUME) < Standby indicator When the unit is connected to the AC mains supply, this INPUT SELECTOR VOLUME indicator lights up in standby mode and goes out when the unit is turned on.
  • Page 30 NOTES : AUDIO SIGNAL LINE ) indicates pin No. Right channel. M5218AFPE3 IC301 (11) BUFFER SPEAKERS (LF) RSN314H41 (6 ) SHORT IC101 DET. POWER AMP MUTING POWER -Vcc ON/OFF BIAS +Vcc M5218AFPE3 IC302 (14) BUFFER SPEAKERS (HF) (6 ) Q118,120, 126,127 SWITCH- Q105~107,...
  • Page 31 POWER SUPPLY P.C.B. CN106 R314 E201 R365 C309 C308 W301 R364 C301 CN110 D306 R313 R366 D305 Q301 B C E Q307 B C E D304 C302 To TUNER C313 R301 D307 R331 D303 CN109 D310 C304 C312 C303 C305 C311 D322 C317...
  • Page 32 OPERATION P.C.B. R521 S501 VR501 / I ) (INPUT SELECTOR) C521 Q506 R539 C520 S504 S503 (BASS (BASS R523 Q504 Q503 C514 R515 R516 C513 C508 C507 IC501 R510 R509 C506 C505 C510 R508 R507 C509 R505 R506 C504 C503 C512 R503 R504...
  • Page 33 MAIN P.C.B. JK103 C139 (LF) C137 C140 CP112 (HF) C138 W601 D601 E101 SPEAKERS W108 JK102 R148 C124 (LF) D603 C156 C603 (HF) C108 D604 R120 R121 R161 R122 R159 Q105 Q106 Q107 L104 R160 R157 R151 C133 Q115 IC101 R152 L103 C131...
  • Page 34 CP108 POWER CN408 CN407 CN406 CN405 CN403 CN402 CN401 CN404 TRANSFORMER(1) P.C.B. (REP3125A-M) PT701 (POWER TRANSFORMER) CP201 C129 D104 PT102 D102 CN202 (POWER D103 RL101 TRANSFORMER) POWER D101 TRANSFORMER(2) P.C.B. CN601 D105 R153 R154 D106 (REP3125A-M) AC IN P.C.B. JK101 F2 T2A AC IN (230-240V 50Hz)