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Panasonic SADT300 - MINI SYSTEM RECEIVER, Service Manual

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Panasonic SADT300 - MINI SYSTEM RECEIVER Service Manual Download Page 25

[Reassembly]

1. Put solder-paste thinly and evenly over the radiating plate on the bottom of a new 

IC for replacement.

2. Clean out the former solder that has been sticking to the pattern part on the base 

plate.

3. Place the IC on the pattern part of the base plate. 

(Make the IC legs and pattern part meet completely.)

4. Solder the IC legs first.

25

Summary of Contents for SADT300 - MINI SYSTEM RECEIVER

Page 1: ...AD0203066C2 AV Control Receiver SA DT300E SA DT300EB SA DT300EG Colour S Silver Type SPECIFICATIONS 1 ...

Page 2: ...1 1 Before Repairs 2 ...

Page 3: ...have operated if either of the following conditions is noticed No sound is heard when the power is switched ON Sound stops during a performance The functions 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 this unit are used If this occur...

Page 4: ... AC mains lead for SA DT300EB RJA0053 3X 1 pc AM loop antenna REK0063 1 pc FM indoor antenna RSA0007 1 pc Video cable 4 ...

Page 5: ... RJL1P019B15 1 pc Speaker cables REX1129 2 pcs Remote control transmitter N2QAJB000049 1 pc Remote control batteries R6 LR6 AA UM 3 2 pcs Note These are available on sales route 5 ...

Page 6: ... Antenna plug adaptor for SA DT300EB only SJP9009 1 pc RCAJ adaptor VFA0151 2 1 pc Cleaning cloth for main unit RFE0088 1 1 pc Sheet of speaker cord stickers RQCA0950 1 pc 6 ...

Page 7: ...eaker feet 1 small 25 feet 1 pc Sheet of speaker feet 1 large 10 feet 1 pc Spikes 1 4 pcs Sheet of speaker pads 1 8 pads 1 pc Note The accessories indicated 1 are packed with SB DT300 4 Caution for AC Mains Lead 7 ...

Page 8: ...5 Location of Controls 8 ...

Page 9: ...de indicating the nature of the malfunction Use this self diagnostic function when servicing the unit 6 1 To display the malfunction code U70 DVD Automatically displays on the AV control receiver when a malfunction occurs Refer to Fig 6 1 F61 Automatically displays on the AV control receiver when a malfunction occurs Refer to Fig 6 1 Fig 6 1 9 ...

Page 10: ...e power on F61 will be re displayed and then after 3 seconds the clock will be displayed and the power will automatically switch off 6 3 Display contents 6 3 1 U70 DVD Problem or condition A bus line communications error has occurred as a result of the flat cable being inserted incorrectly thus preventing the system from operating If U70 is displayed on the AV control receiver DVD CD player cannot...

Page 11: ...o switch power on Correction procedure Faulty AV control receiver SA DT300 power supply line or when a DC voltage is applied to speaker terminals Check and replace 7 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 For reassembly after operation checks or replacem...

Page 12: ... Check the digital amp P C B A side as shown below 12 ...

Page 13: ... Check the digital amp P C B B side as shown below 13 ...

Page 14: ...7 2 Checking for the FL P C B Follow the Step 1 Step 2 of item 7 1 Check the FL P C B as shown below 14 ...

Page 15: ...7 3 Checking for the main P C B Follow the Step 1 Step 7 of item 7 1 15 ...

Page 16: ...16 ...

Page 17: ...17 ...

Page 18: ... Check the main P C B as shown below 18 ...

Page 19: ...7 4 Replacement for the FL P C B headphone P C B and operation P C B Follow the Step 1 Step 2 of item 7 1 Follow the Step 1 Step 2 of item 7 2 19 ...

Page 20: ...20 ...

Page 21: ...21 ...

Page 22: ...to replace IC TAS5100 with reading terminal block IC TAS5100 used in the digital amp P C B has a radiating plate on its backside the side in contact with the P C B the radiating terminal block having been 22 ...

Page 23: ...P C B For the replacement of the IC the following instructions should be observed IC001 IC006 shown in the drawing below are ICs each equipped with a radiating terminal block Disassembly 1 Use a blower and heat the IC about 20 seconds 23 ...

Page 24: ...2 In about the 20 seconds the legs of the IC begin fusing Then remove the IC by use of a pair of tweezers 24 ...

Page 25: ...late on the bottom of a new IC for replacement 2 Clean out the former solder that has been sticking to the pattern part on the base plate 3 Place the IC on the pattern part of the base plate Make the IC legs and pattern part meet completely 4 Solder the IC legs first 25 ...

Page 26: ...5 Use the blower and heat the IC about 20 seconds 9 To Supply Power Source 26 ...

Page 27: ...new technology Notes S901 Power standby on switch S902 Select switch SELECT VR901 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 Therefore there may exist some errors in the voltage values depending on theinternal impedance of the DC circuit tester No mark Power ON...

Page 28: ...replacement parts list Voltage and signal line Positive voltage line Negative voltage line Audio signal line AM signal line AM OSC signal line FM signal line FM OSC signal line Caution 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...

Page 29: ...12 Printed Circuit Board Diagram 13 Type Illustration of ICs Transistors and Diodes 29 ...

Page 30: ...TA O Data signal output for DSP 5 DSP CLK O Clock signal output for DSP 6 CNVss Connected to GND via resister 7 XC IN Not used open 8 XC OUT Not used open 9 RST I Reset signal input 10 X OUT O Ceramic oscillator connected F 10 MHz 11 VSS GND 12 X IN I Ceramic oscillator connected F 10 MHz 13 VCC I Power supply terminal 14 CNT F Connected to VCC via resister 15 AC IN I Power failure detect signal i...

Page 31: ...clock signal input 27 DVD AMP CS I DVD communication chip select signal input 28 MDDOUT O Not used 29 MDDIN I Not used connected to GND 30 MDCLK O Not used 31 MDCS I Not used connected to GND 32 DVD REQ O DVD communication request signal output 33 MDRST Not used 34 MDREQ Not used 35 LOAD SW Not used 36 JOG B I Volume JOG signal B input 37 JOG A I Volume JOG signal A input 38 MUTE SW O Mute signal ...

Page 32: ...ut 56 LED TIMER O LED drive signal output 57 LED STBY2 O LED drive signal output 58 HP MUT O Mute signal output for headphone when the power ON OFF 59 TUN CE O Chip enable signal output for LC72131M 60 TUN DIN ST I Data signal stereo signal input 61 TUN DOUT O Data signal output for LC72131M 62 TUN CLK O Clock signal output for LC72131M 63 TUN SD I Station detect signal input 64 POWER O Power sign...

Page 33: ...Furthermore special parts which have purposes of fire retardant resistors high quality sound capacitors low noise resistors etc are used When replacing any of components be sure to use only manufacture s specified parts shown in the parts list The IA ID marks in Remarks indicate language of operating instructions IA German Italian French IB Swedish Netherlands Danish IC English ID Spanish Polish C...

Page 34: ...000063 CORE 1 1 23 J0KE00000064 CORE 2 1 24 REX1130 WIRE ASS Y 1 25 RHD26038 K SCREW 3 26 RMG0585 H RUBBER HEAT SHINK 6 27 REZ1447 FFC 1 28 REZ1448 1 FFC 1 29 RGK1506A S BOTTOM ORNAMENT 1 30 RGK1517 S VOLUME ORNAMENT 1 31 RGK1518 S1 PANEL ORNAMENT 1 32 RGL0587 Q TIME RPANEL LENS 1 33 RGP0927 K FRONT PANEL 1 34 RGU2095 S BUTTON POWER 1 35 RGW0389 S KNOB VOLUME 1 36 RHN90001 NUT 1 37 RKW0686 K SENSO...

Page 35: ...C025 28 ECJ1VB1H681K 35V 680P 4 C030 F1J1H334A679 50V 0 33U 1 C031 32 ECUVNH103KBV 50V 0 01U 2 F1H1H103A748 C033 34 F1H1H333A783 50V 0 033U 2 C035 36 EEUFF1V102E 35V 1000U 2 C037 38 F1H1H104A783 50V 0 1U 2 C039 40 F1H1H333A783 50V 0 033U 2 C041 42 F1J1H104A679 50V 0 1U 2 C043 44 ECQE1474KF3 100V 0 47U 2 C045 50 F1J1H104A679 50V 0 1U 6 C051 52 F1H1H333A783 50V 0 033U 2 C053 54 F1H1H104A783 50V 0 1U...

Page 36: ...4 95 F1H1A105A028 10V 1U 2 C196 98 ECUV1H331KBV 50V 330P 3 ECJ1VB1H331K C199 ECJ1VB1H102K 50V 1000P 1 C201 04 ECUV1H331KBV 50V 330P 4 ECJ1VB1H331K C205 06 ECUV1H330JCV 50V 33P 2 ECJ1VC1H330J C207 08 RCE1HKA4R7BG 50V 4 7U 2 F2A1H4R70009 C209 10 ECUVNH103KBV 50V 0 01U 2 F1H1H103A748 C211 13 ECUV1H470JCV 50V 47P 3 F1H1H470A736 C214 15 ECJ1VB1C104K 16V 0 1U 2 C301 06 ECUV1H101JCV 50V 100P 6 F1H1H101A0...

Page 37: ...C342 43 ECST1CY105 16V 1U 2 37 ...

Page 38: ...ECJ1VB1C104K 16V 0 1U 1 C505 ECUV1H101JCV 50V 100P 1 F1H1H101A004 C506 ECA1CAK100XB 16V 10U 1 C507 ECUV1H221KBV 50V 220P 1 F1H1H2210001 C508 ECA1CAK100XB 16V 10U 1 C511 ECA1CAK100XB 16V 10U 1 C512 ECUVNJ105KBV 6 3V 1U 1 F1H0J105A002 C514 RCE1HKA3R3BG 50V 3 3U 1 F2A1H3R3A015 C515 ECA1CAK100XB 16V 10U 1 C516 ECUV1H221KBV 50V 220P 1 F1H1H2210001 C517 ECUVNJ105KBV 6 3V 1U 1 F1H0J105A002 C519 ECUV1H101...

Page 39: ...37 ECUVNH103KBV 50V 0 01U 1 F1H1H103A748 C639 40 ECJ1VB1H222K 35V 2200P 2 C641 ECUVNJ105KBV 6 3V 1U 1 F1H0J105A002 C643 44 ECUVNJ105KBV 6 3V 1U 2 F1H0J105A002 C646 47 ECA1HAK010XI 50V 1U 2 C648 ECJ1VB1C104K 16V 0 1U 1 C701 ECKWRS102MBC 1000P 1 C702 ECUVNH103KBV 50V 0 01U 1 F1H1H103A748 C704 RCE1HKA4R7BG 50V 4 7U 1 F2A1H4R70009 C705 ECUVNH103KBV 50V 0 01U 1 F1H1H103A748 C706 RCE1AKA470BG 10V 47U 1 ...

Page 40: ... ECJ1VB1C104K 16V 0 1U 1 C941 42 ECUV1H221KBV 50V 220P 2 F1H1H2210001 C943 44 ECJ1VB1C104K 16V 0 1U 2 C947 ECJ1VB1C104K 16V 0 1U 1 C948 ECUVNE223KBV 25V 0 022U 1 F1H1E223A050 C949 ECJ1VB1H102K 50V 1000P 1 C950 ECA1AAM102XB 10V 1000U 1 C951 ECJ1VB1C104K 16V 0 1U 1 C952 RCE1HKA3R3BG 50V 3 3U 1 F2A1H3R3A015 C953 ECUVNH103KBV 50V 0 01U 1 F1H1H103A748 C954 ECUV1H221KBV 50V 220P 1 F1H1H2210001 C955 ECUV...

Page 41: ... 1 D728 RL1N4003N02 DIODE 1 B0AAMM000009 D729 30 MA2J11100L DIODE 2 D731 MAZ80910HL DIODE 1 D732 MA8082M DIODE 1 MAZ80820M D733 B0FBAP000001 DIODE 1 D734 RL1N4003N02 DIODE 1 B0AAMM000009 D735 B0FBAP000001 DIODE 1 D736 MA8068MTX DIODE 1 MAZ80680ML D737 MA2J11100L DIODE 1 D738 B0FFAC000001 DIODE 1 D740 RL1N4003N02 DIODE 1 B0AAMM000009 D751 54 MA2J11100L DIODE 4 D756 MA2J11100L DIODE 1 D757 MA8068MTX...

Page 42: ...CBAEE00004 IC 1 IC729 C0CBAEE00003 IC 1 IC901 C0HBB0000030 IC 1 IC941 C2CBHG000095 IC 1 JK101 K1FA612B0002 JK SP TERMINAL 1 JK301 K2HA311B0004 JK EXT IN OUT 1 JK701 K2AA2B000004 JK AC IN 1 JK901 K2HC103A0023 JK HEADPHONE 1 L101 12 G0A100K00003 COIL 12 L541 43 RLBN102V Y COIL 3 J0JBC0000041 L601 RLBV102V Y COIL 1 J0JBC0000014 L602 J0JCC0000077 COIL 1 L603 RLBV102V Y COIL 1 J0JBC0000014 L604 G0A200D...

Page 43: ... UNR521M00L Q903 XN0450100L TRANSISTOR 1 Q904 UN521MTX TRANSISTOR 1 UNR521M00L Q941 UN5214TX TRANSISTOR 1 UNR521400L Q942 2SD1819A0L TRANSISTOR 1 R001 02 ERJ3GEYJ1R0V 1 16W 1 2 R003 06 ERJ8GEYJ1R5V 1 8W 1 5 4 R007 10 ERJ3GEYJ4R7V 1 16W 4 7 4 R011 12 ERJ3GEYJ1R0V 1 16W 1 2 R013 16 ERJ8GEYJ1R5V 1 8W 1 5 4 R017 20 ERJ3GEYJ4R7V 1 16W 4 7 4 R021 22 ERJ3GEYJ1R0V 1 16W 1 2 R023 26 ERJ8GEYJ1R5V 1 8W 1 5 4...

Page 44: ...R123 26 ERJ3GEYJ133V 1 16W 13K 4 44 ...

Page 45: ...3GEYJ472V 1 16W 4 7K 3 R301 02 ERJ3GEYJ104Z 1 16W 100K 2 R303 04 ERJ3GEYJ102V 1 16W 1K 2 R305 06 ERJ3GEYJ123V 1 16W 12K 2 R307 08 ERJ3GEYJ332V 1 16W 3 3K 2 D0GB332JA002 R309 10 ERJ3GEYJ123V 1 16W 12K 2 R311 12 ERJ3GEYJ332V 1 16W 3 3K 2 D0GB332JA002 R313 ERJ3GEYJ473V 1 16W 47K 1 D0GB473JA002 R314 ERJ3GEYJ102V 1 16W 1K 1 R315 ERJ3GEYJ562V 1 16W 5 6K 1 D0GB562JA002 R316 ERJ3GEYJ822V 1 16W 8 2K 1 D0GB...

Page 46: ...R355 ERJ3GEYJ473V 1 16W 47K 1 D0GB473JA002 46 ...

Page 47: ...0GB332JA002 R390 91 ERJ3GEYJ102V 1 16W 1K 2 R392 ERJ3GEYJ223V 1 16W 22K 1 D0GB223JA002 R393 94 ERJ3GEYJ332V 1 16W 3 3K 2 D0GB332JA002 R397 ERJ3GEYJ223V 1 16W 22K 1 D0GB223JA002 R398 ERJ3GEYJ154V 1 16W 150K 1 R399 ERJ3GEYJ103Z 1 16W 10K 1 R400 ERJ3GEYJ102V 1 16W 1K 1 R401 ERJ3GEYJ332V 1 16W 3 3K 1 D0GB332JA002 R402 ERJ3GEYJ154V 1 16W 150K 1 R404 ERJ3GEYJ473V 1 16W 47K 1 D0GB473JA002 R405 06 ERJ3GEY...

Page 48: ...R442 ERJ3GEYJ332V 1 16W 3 3K 1 D0GB332JA002 48 ...

Page 49: ...2 R541 ERJ3GEYJ121V 1 16W 120 1 R542 45 ERJ3GEYJ102V 1 16W 1K 4 R546 ERJ3GEYJ103Z 1 16W 10K 1 R549 ERJ3GEYJ102V 1 16W 1K 1 R601 04 ERJ3GEYJ102V 1 16W 1K 4 R605 ERJ3GEYJ470V 1 16W 47 1 R606 ERJ3GEYJ105V 1 16W 1M 1 R607 ERJ3GEYJ221V 1 16W 220 1 R608 ERJ3GEYJ331V 1 16W 330 1 D0GB331JA002 R609 ERJ3GEYJ271V 1 16W 270 1 R610 ERJ3GEYJ122V 1 16W 1 2K 1 R611 12 ERJ3GEYJ331V 1 16W 330 2 D0GB331JA002 R613 ER...

Page 50: ...W 10K 1 R861 ERJ3GEYJ223V 1 16W 22K 1 D0GB223JA002 R865 66 ERJ3GEY0R00V CHIP JUMPER 2 R869 71 ERJ3GEYJ102V 1 16W 1K 3 R872 ERJ3GEYJ472V 1 16W 4 7K 1 R901 ERJ3GEYJ223V 1 16W 22K 1 D0GB223JA002 R902 04 ERJ3GEYJ332V 1 16W 3 3K 3 D0GB332JA002 R905 ERJ3GEYJ273V 1 16W 27K 1 D0GB273JA002 R906 08 ERJ3GEYJ333V 1 16W 33K 3 D0GB333JA002 R909 2 ERJ3GEYJ101V 1 16W 100 1 R909 ERJ3GEYJ102V 1 16W 1K 1 R910 ERJ3GE...

Page 51: ...R929 30 ERJ3GEYJ102V 1 16W 1K 2 51 ...

Page 52: ...J101V 1 16W 100 1 R983 ERJ3GEYJ472V 1 16W 4 7K 1 R984 MCR03PZHJ561 1 16W 560 1 R987 ERJ3GEYJ101V 1 16W 100 1 R988 ERJ3GEYJ102V 1 16W 1K 1 R989 ERJ3GEYJ101V 1 16W 100 1 R990 ERJ3GEYJ102V 1 16W 1K 1 R991 ERJ3GEYJ101V 1 16W 100 1 R992 ERJ3GEYJ104Z 1 16W 100K 1 R993 ERJ3GEYJ101V 1 16W 100 1 R994 ERJ3GEYJ472V 1 16W 4 7K 1 R995 96 ERJ3GEYJ102V 1 16W 1K 2 R997 ERJ3GEYJ103Z 1 16W 10K 1 R998 ERJ3GEYJ153V 1...

Page 53: ...1CA POWER TRANSFORMER 1 T702 ETP28KBZ21JU SUB POWER TRANSFORMER 1 VR901 EVEKC2F3024B VR VOLUME 1 X131 H0H245500013 OSCILLATOR 1 X132 H0H254500002 OSCILLATOR 1 X541 RSXC4M33S02T OSCILLATOR 1 H0H433400001 X601 RSXZ36M8M01T OSCILLATOR 1 X942 H2B100500004 OSCILLATOR 1 Z001 J0JBC0000015 COMPONENT COMBINATIONS 1 Z002 03 VLP0155 T COIL 2 J0JCC0000119 Z004 08 J0JBC0000015 COMPONENT COMBINATIONS 5 Z701 ERZ...

Page 54: ...F020300000YM KH 1 2002 Matsushita Electric Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law 54 ...

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