Panasonic RQSX77V - PERSONAL STEREO, Service Manual

Page 1: ...adio Cassette Player RQ SX77V AR10 Mechanism Series Colour S Silver Type Area P U S A Note Please dispose of the service manual for Model No RQ SX77V P TENTATIVE Order No AD0002039A1 and use this service manual SPECIFICATIONS ...

Page 2: ...nd distribution is a violation of law 1 Accessories Battery charger RP BC156BPY 1pc Stereo headphones RFEV711P KY 1pc Remote controller RFEV012P KS 1pc Rechargeable battery with case RP BP61PYS11 1pc Dry cell battery case RFAT0002 H 1pc Carring case RFC0056 K 1pc 2 Location of Controls ...

Page 3: ...nd stereo earphones test This checks for problems existing in the unit or stereo earphones 2 Amplifier test This test should be run if an amplifier failure occurred during test 1 above 3 1 Unit and stereo earphones test Preparations 1 Remove the unit case by following Operation Checks and Component Replacement Procedures 2 Plug the stereo earphones into the headphones jack 3 Insert a fully charged...

Page 4: ...Operation switches ...

Page 5: ...3 2 Amplifier test This test is required if the amplifier is found to be malfunctioning thorough 3 1 Unit and stereo earphone test Preparations See 3 1 Unit and stereo earphone test ...

Page 6: ...4 Mechanism Block Replacement Procedure ...

Page 7: ...ly capstan motor and capstan belts 1 and 2 When replacing the tape transport assembly first remove the 1 head block assembly 2 motor 3 capstan belt 1 and 4 capstan belt 2 from the assembly to be replaced then install these parts 1 4 onto the replacement assembly supplied For details of the dismantling procedure see Operation Checks and Component Replacement Procedures ...

Page 8: ...assembly F and R will also be supplied separately from the head block assembly Note The head block assembly requires no azimuth adjustment 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 For reassembly after operation checks or replacement reverse the respectiv...

Page 9: ...5 1 Checking for the main P C B 5 1 1 Checking for the main P C B A side Check the main P C B A side as shown below ...

Page 10: ...5 1 2 Checking for the main P C B B side Follow the Step 1 Step 5 of item 5 1 1 Check the main P C B B side as shown below ...

Page 11: ...5 2 Replacement for the motor and capstan belt Follow the Step 1 Step 5 of item 5 1 1 ...

Page 12: ......

Page 13: ...5 3 Replacement for the cassette lid ass y Follow the Step 1 Step 5 of item 5 1 1 ...

Page 14: ...5 4 Replacement for the head block ass y Follow the Step 1 Step 5 of item 5 1 1 ...

Page 15: ......

Page 16: ...ion of ICs Transistors and Diodes 9 Schematic Diagram Notes This schematic diagram may be modified at any time with the development of new technology Notes S13 1 Cassette half detect switch IN ON OUT OFF S13 2 Tape select switch NORMAL ON METAL CrO2 OFF S301 ...

Page 17: ... Ýï ÚÓñßÓ ÎÚ ßÓÐ Úô ÜÛÌ Üîðï ßÓ ÊÝÑ ßÓ ßÒÌ øÔîðï Ó ÓÑÌÑÎ Ýê ÓÑÌÑÎ ÜÎ ÊÛ ØÛßÜÐØÑÒÛÍ ÞßÌÌÛÎÇ ÌÐíèôíç ø ÌÐìðôìï ÌÐíé ÌÐîë ÌÐíï ø ÌÐíð ÚÓ ÚÌ õÞ Ýé ÓËÔÌ ÐÑÉÛÎ ÍËÐÐÔÇÛÎ Ïîí îëô Ôîî ÜÝóÜÝ ÝÑÒÊò õÞ ÌÐì Ïíðëôíðè ÍÑÔòÜÎ ÊÛ ÍÑÔÛÒÑ Ü Ðíðï ÌßÐÛ ÛÒÜ ÜÛÌò ÌÐìê ÌÐíê ø ÌÐíì ÌÐïðï ÌÐïðî Ò æ ï Í æ Ì µ æ ÚÓ æ ÚÓ ÑÍÝ æ ßÓ ÑÍÝ æ ÚÓñßÓ Ê æ Ó î ø Ò ò Î ò ...

Page 18: ...Ð ÍÑÔÛÒÑ Ü ÌÐïðî ÌÐïðï Ýïëí Û Ý Þ Ïîïï Ý Þ Û Ïîïð Ýï Ýí Ýì Ýê Ïëë Ïïðî Ïïðì Ïïðê Ïïëï Ïïëî Ïïëí Ïîðï Ïîðê Ïîðé Ïîïð Ïîïï Ïíðî Ïíðë Ïíðê Ïíðè Ïëðî Ïëðí Ïëðì Ïëðë Üîðï Üêðï ÝÌïðï Ôïðï Ôïëê Ôïëé Ôîðï Ôîðî Ôîðí Ôéðï Ôéðî Ôéðí ÝÚïðï ÝÚîðï ÝÚîðí Èíðï ÔÝÜï Íïíóï Íïíóî Ííïî Ííïí Ííïì Ííïê Ííïé Ííïè Íííê ÖÕï Îêî Îïïè Îïïç Îïîð Îïëï Îïëí Îïëì Îïëë Îîðï Îîðí Îîðì Îîðë Îîðê Îîðé Îîïë Îîïè Îîïç Îîîð Îîîë Îîîê ...

Page 19: ...ÎÇ ÝßÍÛ ÌÐíè ÌÐíð ÍÔî ï î í ì ë ê Ýéëð Ýë Ýé Üîï Üîî Üîí Üëî Üïðï Üïðî Ïîï Ïîî Ïîí Ïîì Ïîë Ïîðè Ïíðï Ïíðé Ïíðç Ïëðï Ïëðê ÊÎïóï ÊÎïóî ÊÎêðï Ôîï Ôîî Ôîí Ôëï Ôïðí Ôéðì Ôéðë Ííðï Ííðî ÝÒï Ðíðï Îîï Îîî Îîí Îîë Îîç Îïðí Îïðç Îïïê Îîðî Îíðî Îíðì Îíðë Îíïê Îíîì Îíîë Îíîê Îíîé Îíîè Îíîç Îíìï Îíìí Îíëí Îíëé Îíëè Îíëç Îëïð Îëïï Îëïí Îëïì Îëïë Îëîì Îêðê Îêðé Îéðì Ýîï Ýîî Ýîí Ýîì Ýîë Ýîê Ýîé Ýîè Ýîç Ýíï Ýëí Ýï...

Page 20: ... ì ë ê î ï Ó ï Ê îð ÐÊ î ÐÉ ïç Ë í É ïè ÐË ì ÙÒÜ ïé ÙÒÜ ë ÑÍÝ ïê Ê ê ÜÎ ïë ÚÝ é ÊÎÛÚ ïì ÌÝï ÎÑÌÑÛÎ ïí ÌÝî ç ÍÐ ïî Î ïð Òõ ïï ÑËÌ è Ý ß Þ Ýêðë ðòï Ýêðê ðòðï Ýêðè ðòðï Ýêðé ðòðï Îêðï ïëðÕ Ýêðï ðòìé Ýêðî ðòîî Ýêðí ðòï Îêðí ïðð ß ÌÐíè ÌÐíç ÌÐìð ÌÐìï Îëðë ïëð Îëðê ïëð ìéÕ ìòéÕ Ïëë ÜÌßïìíÆÛÌÔ ÍÉ ÌÝØ ÒÙ øÓÑÌÑÎ ÜÎ ÊÛ ØÛßÜ Ý ÎÝË Ì Óß Ò Ý ÎÝË Ì ÌßÐÛ ÍÐÛÛÜ ßÜÖò ðÊ ïòíÊ ïòëÊ ðòéÊ ïòìÊ ðÊ ïòíÊ ðÊ ðòéÊ ðÊ ðÊ øð...

Page 21: ...ì ïëÕ Ýëïç ðòðï Ýëïè ï Ýëðç êèðÐ Ýëïî îòëÊïë Ü Û Ú Ô Õ Ö Õ Ö Ø Ù Ú Û Ü Ý Þ ß Ýëíï ï Ýë ßÒéëððÚØÏóÛÞ ÐÎÛñÜÑÔÞÇñßÍÝñ ÐÑÉÛÎ ßÓÐ Ýëëð ïðððÐ ïðÕ ïðÕ Îëîï ìéÕ ìéÕ ïðÕ Ù Ø Ïëðï ËÒçïïðÌÈ ÍÉ ÌÝØ ÒÙ øÌßÐÛæÑÒ Îëïð èòîÕ Ýëìî ìòé Ïëðíôëðì ËÒçîïëÌÈ ÌßÐÛ ÍÛÔÛÝÌ Ïëðí Ïëðì Ïëðî ËÒçîïëÌÈ ÍÉ ÌÝØ ÒÙøÎßÜ ÑæÑÒ Ýëíè íçððÐ Îëïç ïèÕ Ýëíç íçððÐ Îëîð ïèÕ Îîîë ëêÕ Îîîê ëêÕ ß Þ ìéÕ Ïëðê ËÒçîïðÌÈ ÍÉ ÌÝØ ÒÙ øÎßÜ ÑæÑÒ ÌÐíð ÌÐíì ...

Page 22: ...ëÐ Ýïïè ïðððÐ Îïïç íòíÕ Ïïðê îÍÝíçíëÌÈ ÞËÚÚÛÎ ßÓÐ øÚÓ ÑÍÝ Ïïðî ËÒçîïðÌÈ ÍÉ ÌÝØ ÒÙ øÚÓ æÑÒ ß Þ Ý Ü Û Ïîðï îÍÕïðêéóìóÌÔ ßÓ ÎÚ ßÓÐ Îîðí ïðð Ýîðî ðòï Ýîðì îÐ Îîðì ìéðÕ Ýîðë ðòðïë Ôîðï Ýïðç ïðððÐ Ýïëè ï Ýîïé ðòðîî Ýîíí ðòðîî Ýîíë ï Îïëë ìòé Ýîîé ï Ýïðë ìÊîî ß ïðÕ Ýîîê ïððÐ Îîîé íòíÕ í ï î í ï î Ýîíç ðòï Îîðé ìéÕ Îîïç ìéð Ïîïï ËÒçîïëÌÈ ÍÉ ÌÝØ ÒÙ øßÓæÑÒ Ïîïð îÍÝíçíïÝÌÈ ßÓ Ú ßÓÐ Ýïêî ïðððÐ Îïïê ìòéÕ Ýïîí ...

Page 23: ...èÕ Îííí ííÕ Îííì ïëÕ Îííç ïîðÕ Îííè êòèÕ Îíîç ííÕ Îíîè ííÕ Îíëè ííÕ Îíîì ííÕ Ýîïï ïðððÐ Îíëí ìéðÕ Ííðî øØÑÔÜ ÑÚÚ Ý ÑÒ Íííê ø ôÑÚÚ Ííðï øÓÛÝØßÒ ÍÓ ÜÛÌò ÚÉÜñÍÌÑÐñÎÛÊ ÎÛÊ Ý ÍÌÑÐ ÚÉÜ ß Þ ß Þ Îííï ìéðÕ Îííî ìéðÕ ß Ý Ýíðî ðòìé Îïëì ìòéÕ Ýïëë ïðððÐ Ýïëí ðòìé Îïëí ïëÕ Îïëï ïðÕ Ýïëï ðòï Ïïëï îÍÕïðêéóìóÌÔ ÍÌßÞ Ô ÆÛÎ Îíïí ïðÕ Û Þ Ü Ú Ö Ø Ù ß Þ Ýíðì ðòï Îíîí êòèÕ ß Îíîî êòèÕ Ïïëîôïëí îÍÜîîïêÍÌÈ ÚÓñßÓ ÔÑÑÐ Ú Ô...

Page 24: ... ß Þ Íïíóï øÌßÐÛ ÒñÑËÌ Íïíóî øÌÓÛÌßÔñÒÑÎÓßÔ Ôîï Ýîï ï Ýîî ìÊîî Ýîí ï Ôîî Üîï ÓßéîçÌÈ Ýîë ï Ýîê ìÊêòè Ýîè ï Ýíì ìÊïðð Ôîí Îîí ìéð Îîî ìé Ýîì îîððÐ Ïîì îÍÜïðìèÈéÌÈ ÜÝóÜÝ ÝÑÒÊò ì ë ê í ï Ïîí îÍÞèïëÞéÌÈ ÜÝóÜÝ ÝÑÒÊò Ïîë îÍÜïíîèÍÌÈÎß ÜÝóÜÝ ÝÑÒÊò Ýîé ðòîî Üîí ÓßèïîðÓÌÈ Ýíï ðòðï Îîë ìòéÕ Ýîç ðòï Üîî ÓßéîèÌÈ ß Ýíêî îîðÐ Ýíðï îîðÐ ÎÛÝØßÎÙÛßÞÔÛ ÞßÌÌÛÎÇ ïòîÊ ÞßÌÌÛÎÇ ïòëÊ ÎêñÔÎêôßßôËÓóí ÞßÌÌÛÎÇ ÝßÍÛ ÖÕï ØÛßÜÐØ...

Page 25: ...ØÏóÛÞ ßÕçíÝìëÞØóÔ ÌÝçíîèÚîðêÞÍ îÍÕïðêéóìóÌÔ îÍÝíçíëÌÈ îÍÜïðìèÈéÌÈ îÍÜîîïêÍÌÈ îÍÜïíîèÍÌÈÎß ÜÌßïìíÆÛÌÔ ÜÌÝïìíÆÛÌÔ ËÒçïïðÌÈ ËÒçïïëÌÈ ËÒçîïðÌÈ ËÒçîïëÌÈ ÓßèïîðÓÌÈ ÓßéîçÌÈ ÓßéîèÌÈ ÍÞððéðíÏÌÔ ÕÊïêïðÍÌÔîóð ÕÊïìëðÌÔíóì Ý ß ß ß Ý ß Ý Ý ß îÍÞèïëÞéÌÈ îÍÞïîçëóêóÌÞ îÍÞïìêîÍÌÈ îÍÞèïëÞêÌÞ îÍÝíçíïÝÌÈ ...

Page 26: ...y condition check switch SOUND SEL BATT S317 Tuning mode select switch TUNING MODE S318 Playback direction switch S336 Stop power off switch OFF VR1 Volume control VR VOLUME VR601 Tape speed adjustment VR DC voltage measurements are taken with electronics voltmeter form negative terminal of battery No mark Tape playback Radio FM Radio AM Battery current consumption ...

Page 27: ...ck 36mA Volume max Radio FM 51mA Radio AM 41mA Tape FWD Playback 41mA Voltage and signal line Positive voltage line FM signal line FM OSC signal line AM OSC signal line FM AM Vcap signal line Tape playback signal line Main signal line 10 Schematic Diagram ...

Page 28: ...6 MONO L O FM mode control signal output 27 SOL O Solenoid drive signal output 28 OPEN I Tape in out detect signal input 29 FM H O FM power control band select signal output 30 AM H O AM power control band select signal output 31 VDD I Power supply 32 DOLBY O Dolby control signal output 33 XBS O XBS control signal output 34 RA DD ON O Radio ON signal output 35 TA DD ON O Tape ON signal output 36 B...

Page 29: ...D I HOLD switch signal input 57 SCAN H Not used open 58SHIMUKE CHI I Area select signal input 59 BATT I Battery check signal input 60 KEY1 I Operation switch signal input 61 KEY2 I Operation switch signal input 62 REV L O Head switching control signal output 63 POW ON O Power control signal output 64 ASC O Sound control signal output 65 MUTE O Muting control signal output 66 PH CONT O Photocoupler...

Page 30: ...main P C B A side for Operation Checks and Component Replacement Procedures Connect lead wire for test points TP101 and TP102 Refer to Fig 13 1 Fig 13 1 13 1 1 Measurement Condition 1 Set volume control to maximum 2 Set Dolby NR switch to OFF 3 Release the head state 4 Set power source voltage to 1 3 V 0 5V DC 13 1 2 Control Positions and Equipment Used 1 Signal generator AM FM 2 Oscilloscope 3 Fr...

Page 31: ...r to Fig 13 2 3 Set the unit to FM mode 4 Set FM SG to 90 MHz 5 Receive 90 MHz in the unit 6 Adjust CT101 for maximum output 13 3 Tape section 13 3 1 Tape speed Adjustment 1 Connect the frequency counter to headphones jack Refer to Fig 13 2 2 Playback the central part of the tape and adjust VR601 so that the tape speed is as follows Forward 3005 15 Hz Reverse 2970 3040 Hz Make sure that the freque...

Page 32: ...ry RP BP61PYS11 to be supplied will be provided with Carrying Case RFAT0001 H No replacement parts will be supplied for Rechargeable Battery without Carrying Case Replacement parts will be supplied for Carrying Case RFAT0001 H without Rechargeable Battery To your customers delivery Rechargeable Battery together with Carrying Case to prevent shorting accidents that may occur when Rechargeable Batte...

Page 33: ...nd 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 marking RTL indicates that Retention Time is Limited for this item 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 availability is dependent...

Page 34: ...NNECTOR 1 22 RHQ0060 N SCREW 6 TAMACO 23 RJR0154 1 R BATT SHAFT 1 TAMACO 101 BFL26NB1CT MOTOR 1 TAMACO 102 XQS14 A2FZ SCREW 2 TAMACO 103 RHW40002 WASHER 1 TAMACO 104 RDV0037 BELT 1 1 TAMACO 105 RDV0038 BLET 2 1 TAMACO 106 RXQ0636 HEAD BLOCK ASS Y 1 TAMACO 106 1 RXL0130 PINCH ROLLER ARM F 1 TAMACO 106 2 RME0187 1 SPRING 1 TAMACO 106 3 RXL0131 PINCH ROLLER ARM R 1 TAMACO 107 RFKRQSX75 S MECHANISM BL...

Page 35: ...NA105ZFV 10V 1U 1 C160 ECUE1H102KBQ 50V 1000P 1 C162 ECUE1H102KBQ 50V 1000P 1 C201 03 ECUE1C104ZFQ 16V 0 1U 3 C204 ECUE1H020CCQ 50V 2P 1 C205 ECUE1C153KBQ 16V 0 015U 1 C206 ECUENC333KBQ 16V 0 033U 1 C207 ECUV1H391GCV 50V 390P 1 C210 ECUE1H150JCQ 50V 15P 1 C211 ECUE1H102KBQ 50V 1000P 1 C215 ECST0GY475RR 4V 4 7U 1 C216 ECUVNA105KBN 10V 1U 1 C217 ECUE1C223KBQ 16V 0 022U 1 C218 ECUV1H471GCV 50V 470P 1...

Page 36: ...NA105ZFV 10V 1U 1 C516 ECUE1C103KBQ 16V 0 01U 1 C517 ECUE1E332KBQ 25V 3300P 1 C518 ECUVNA105ZFV 10V 1U 1 C519 ECUE1C103KBQ 16V 0 01U 1 C520 ECUV1C334ZFV 16V 0 33U 1 C521 ECUVNC334ZFV 16V 0 33U 1 C522 ECUE1C153KBQ 16V 0 015U 1 C523 ECUE1H182KBQ 50V 1800P 1 C524 ECUE1H681KBQ 50V 680P 1 C525 ECUENJ104KBQ 6 3V 0 1U 1 C526 ECUE1H681KBQ 50V 680P 1 C527 ECUE1H182KBQ 50V 1800P 1 C528 ECUE1C153KBQ 16V 0 01...

Page 37: ... 1 D52 SB00703QTL DIODE 1 D101 02 KV1450TL3 4 DIODE 2 D201 KV1610STL2 0 DIODE 1 D601 MA729TX DIODE 1 IC1 TA2111FNEL IC 1 IC3 TC9328F206BS IC 1 IC4 AK93C45BH L IC 1 IC5 AN7500FHQ EB IC 1 IC6 MM1279XVBE IC 1 IC7 XC651A1004VR IC 1 JK1 RJJ36TK03 1C HEADPHONES JACK 1 L21 RLBN102V Y COIL 1 L22 RL09U030T M COIL 1 L23 RLBN182DV Y COIL 1 L51 RLQQ101KT2 D COIL 1 L101 RLQM121NJT W COIL 1 L103 RL04Z029T W COI...

Page 38: ...09 2SB1462STX TRANSISTOR 1 Q501 UN9110TX TRANSISTOR 1 Q502 04 UN9215TX TRANSISTOR 3 Q505 2SB815B6TB TRANSISTOR 1 TAMACO Q506 UN9210TX TRANSISTOR 1 R21 ERJ2GEJ331X 1 4W 330 1 R22 ERJ2GEJ470X 1 4W 47 1 R23 ERJ2GEJ471X 1 4W 470 1 R25 ERJ2GEJ472X 1 4W 4 7K 1 R29 ERJ2GEJ4R7X 1 4W 4 7 1 R62 ERJ2GEJ474X 1 4W 470K 1 R103 EXBV4V474JV 1 32W 470K 1 R109 EXBV4V474JV 1 32W 470K 1 R116 ERJ2GEJ472X 1 4W 4 7K 1 R...

Page 39: ...ERJ2GEJ474X 1 4W 470K 1 R343 ERJ2GEJ562X 1 4W 5 6K 1 R344 ERJ2GEJ103X 1 4W 10K 1 R345 ERJ2GEJ474X 1 4W 470K 1 R353 ERJ2GEJ474X 1 4W 470K 1 R357 ERJ2GEJ274X 1 4W 270K 1 R358 ERJ2GEJ333X 1 4W 33K 1 R359 ERJ2GEJ223X 1 4W 22K 1 R503 ERJ2GEJ103X 1 4W 10K 1 R504 ERJ2GEJ752X 1 4W 7 5K 1 R505 06 ERJ2GEJ151X 1 4W 150 2 R507 ERJ2GEJ752X 1 4W 7 5K 1 R508 09 ERJ2GEJ103X 1 4W 10K 2 R510 ERJ2GEJ822X 1 4W 8 2K 1...

Page 40: ...SS2A012 1A SW MECHANISM DET 1 TAMACO S302 RSS2A010 1A SW HOLD 1 S312 14 EVQPLMA15 SW PUSH 3 TAMACO S316 17 RSG0038 P SW PUSH 2 S318 EVQPLMA15 SW PLAY 1 TAMACO S336 EVQPLMA15 SW STOP OFF 1 TAMACO VR1 EVUTUGB15A54 V R VOLUME 1 VR601 EVM1CSX10B14 V R TAPE SPEED ADJ 1 TAMACO X301 RSXC75K0L02T OSCILLATOR 1 17 Cabinet Parts Location ...

Page 41: ...18 Mechanism Parts Location ...

Page 42: ...19 Packaging ...

Page 43: ...F000401035MT KH ...