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Panasonic RS-DV290EG, Service Manual

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Panasonic RS-DV290EG Service Manual Download Page 48

Summary of Contents for RS-DV290EG

Page 1: ...AD0303010C8 Cassette Deck RS DV290EG Colour S Silver Type SPECIFICATIONS ...

Page 2: ... 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 respective procedures Special reassembly procedures are described only when required 3 1 Checking for the main P C B Check the main P C B as shown above 3 2 Checking for the operation P C B Follow the Step 1 ...

Page 3: ...3 ...

Page 4: ... Check the operation P C B as shown below 3 3 Replacement for the motor ass y capstan belt and winding belt Follow the Step 1 Step 3 of item 3 1 4 ...

Page 5: ... Follow the Step 1 Step 7 of item 3 2 5 ...

Page 6: ...6 ...

Page 7: ...7 ...

Page 8: ...3 4 Replacement for the components parts on the mechanism P C B Follow the Step 1 Step 3 of item 3 1 Follow the Step 1 Step 7 of item 3 2 Follow the Step 1 Step 4 of item 3 3 8 ...

Page 9: ...pinch roller ass y and head block Follow the Step 1 Step 3 of item 3 1 Follow the Step 1 Step 7 of item 3 2 Follow the Step 1 Step 5 of item 3 3 3 6 Replacement for the cassette lid ass y Follow the Step 1 Step 3 of item 3 1 9 ...

Page 10: ...3 7 Replacement for the cassette holder Follow the Step 1 Step 3 of item 3 1 Follow the Step 1 Step 11 of item 3 2 10 ...

Page 11: ...perates incorrectly the fault displayed using an error code on the FL display of the Tuner Amplifier SA EH590 The system control IC and FLdisplay are part of the Tuner Amplifier so make sure the system has been connected properly before using this function Use this function during maintenance to check faults of items below 5 1 Cassette tape to be prepared Metal tape Recorded music tape with only o...

Page 12: ...Deck 1 indicator already flashing 2 Press the Deck 1 cassette holder open button to open the Deck 1 cassette holder Refer to Fig 5 2 3 Insert a CrO2 tape into the Deck 1 and close the cassette holder 4 Press the Fast forward button Refer to Fig 5 2 Tape fast forwards for about 2 seconds then stops 5 Press the PLAY button Refer to Fig 5 2 After TPS operation and check the tape stops 6 Open the Deck...

Page 13: ... pressed even if cassette is loaded in the deck Faulty tape detect switch Deck 1 S952 S972 or short circuit Check and replace H06 Cassette deck does not detect CrO2 tape Faulty CrO2 tape detect switch Deck 1 Deck 2 S973 Check and replace H07 Cassette deck does not detect Metal tape Faulty Metal tape detect switch S976 and replace F01 When the tape play button is pressed tape advances only slightly...

Page 14: ...Refer to Fig 5 3 Tape rewinds for about 2 seconds then stops 9 Open the Deck 2 cassette holder and replace the metal tape with a CrO2 tape 10 Close the Deck 2 cassette holder 11 Press the PLAY button Refer to Fig 5 3 After TPS operation and check the tape stops 12 Open the Deck 2 cassette holder and replace the CrO2 tape with a normal tape 13 Close the Deck 2 cassette holder 14 Press the Record pa...

Page 15: ...assette tape from the cassette holder 3 Turn off the unit 6 Schematic Diagram Notes This schematic diagram may be modified at any time with the development of new technology Notes S900 Stop switch S901 Deck 2 cassette holder open switch OPEN S903 Tape edit switch TAPE EDIT S904 Record pause switch REC PAUSE S905 Dolby noise reduction switch DOLBY NR S906 15 ...

Page 16: ... 1 deck 2 select switch DECK 1 2 S913 Counter display switch COUNTER DISPLAY S914 Counter reset switch COUNTER RESET S915 Deck 1 cassette holder open switch OPEN S951 Deck 1 mode detect switch S952 Deck 1 half detect switch S953 Deck 1 CrO2 tape detect switch S971 Deck 2 mode detect switch S972 Deck 2 half detect switch S973 Deck 2 CrO2 tape detect switch 16 ...

Page 17: ...R803 Deck 2 tape speed adjustment VR normal 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 Playback Recording Important safety notice Components identified by mar...

Page 18: ...pair 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 Voltage and signal line Positive voltage line Playback signal line Recording signal line 7 Schematic Diagram 8 Printed Circuit Board Diagram 9 Type Illustration of ICs Transistors and Diodes 10 Wiring Connection...

Page 19: ...ial communication data signal input 13 METAL 2 I Deck 2 tape detect switch signal METAL input 14 CRO2 2 I Deck 2 tape detect switch signal CrO2 input 15 VSS GND terminal 16 FWD LED O LED drive control signal FWD output 17 REV LED O LED drive control signal REV output 18 RESET I Reset signal input 19 XIN I Oscillator connected terminal F 8 MHz 20 XOUT O 21 VSS GND terminal 22 CRO2 1 I Deck 1 tape d...

Page 20: ...Deck 2 reel pulse detect signal input 39 AD SW I Deck 2 mechanism switch signal input Half Mode F REC INH R REC INH 40 PHOTO1T I Deck 1 reel pulse detect signal input 41 KEY2 I Operation key signal input 42 KEY1 I Operation key signal input 13 Measurements and Adjustments Note This unit RS DV290 is designed to operate on power supplied from system connected 13 1 Measurement condition Dolby NR swit...

Page 21: ...cking bond left on the head base Supply part No of azimuth screw RHD17015 3 Playback the azimuth adjustment portion 8 kHz 20 dB of test tape QZZCFM Adjust the azimuth screw until the outputs of the L R ch are maximized Refer to Fig 13 2 Make sure that thedifference in the peak level between the left and right channels does not exceed 0 5 dB 4 Perform the same adjustment in reverse playback mode Ch...

Page 22: ...eck 2 for output value shown below For adjustment point refer to Fig 13 11 Adjustment target 3000 15 Hz Normal speed Standard value 3000 45 Hz Normal speed Fig 13 3 Note When the unit is finished for adjusting disconnect the short section between TP604 and TP609 13 5 Playback gain adjustment Deck 1 2 1 Connect the measuring instrument as shown in Fig 13 4 2 Find the start of the 315 Hz 0 dB sectio...

Page 23: ...13 is within the standard value shown below For the erase current confirmation point referto Fig 13 11 Standard Value EVM reading Normal tape 85 25 mA 85 25 mV CrO2 tape 150 25 mA 150 25 mV Metal tape 185 25 mA 185 25 mV Fig 13 5 Note The test tape is not required when confirming the erase current 13 7 Playback frequency response check Deck 1 2 1 Connect the measuring instrument as shown in Fig 13...

Page 24: ...t the measuring instrument as shown in Fig 13 8 2 Insert a Normal type blank tape QZZCRA4 into Deck 2 3 Record signals at 50 Hz 100 Hz 200 Hz 500 Hz 1 kHz 2 kHz 10 kHz and 12 5 kHz 28 mV 4 Set the playback frequency of recorded signals at 1 kHz as a reference response 0 dB 5 Playback the recorded signal to confirm that the output is within the range of the overall frequency response shown in Fig 1...

Page 25: ...als at 50 Hz 100 Hz 200 Hz 500 Hz 1 kHz 2 kHz 10 kHz and 12 5 kHz 28 mV 4 Set the playback frequency of recorded signals at 1 kHz as a reference response 0 dB 5 Playback the recorded signal to confirm that the output is within the range of the overall frequency response shown in Fig 13 10 Fig 13 10 13 9 Adjustment point and test point 25 ...

Page 26: ...DC 9V to the plunger and then operate it by switching power ON OFF Power PL PL Refer to Fig 14 1 A FWD PLAY Supply power to the plunger momentary Duration approx 50msec B FWD FF At FWD PLAY mode supply power to the plunger momentary Duration approx 50msec C STOP At FWD FF mode supply power to the plunger momentary Duration approx 50msec D REV PLAY At STOP mode supply power to the plunger for ordin...

Page 27: ...ed by rubber band Plunger rib operation Fig 14 2 14 2 Operation Check Not Provided with Cassette Tape 1 Push up the EJECT lever with rubber band Refer to Fig 14 2 2 Apply DC 5V to the MOTOR MOTOR will be rotated 3 Lift up the plunger rib of mechanism ass y with the tip of minus screwdriver and then operate it same as power supply duration Refer toFig 14 3 Note Operation order is same as the Operat...

Page 28: ...f 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 marking RTL indicates the retention time is limited for this Item After the discontinuation of this assembly in production it will no longer available All parts are supplied by SPC 28 ...

Page 29: ...ADGE 1 11 RGK1131 2S ORNAMENT L 1 12 RGK1132 2S ORNAMENT R 1 13 RGL0441 Q PANEL LIGHT 1 14 REZ1194 WIRE ASS Y 1 15 RKF0462 K2 CASSETTE HOLDER L 1 16 RKF0463 K2 CASSETTE HOLDER R 1 17 RKF0587G 2S CASSETTE LID L 1 18 RKF0588 2S CASSETTE LID R 1 19 RKW0577 Q CASSETTE WINDOW L 1 20 RKW0578 Q CASSETTE WINDOW R 1 21 RMB0474 SPRING 2 22 RMQ0577A 3 FRAME 1 23 RUS757ZA SPRING 4 24 RYP1179 S FRONT PANEL 1 2...

Page 30: ...J0003 PLUNGER ASS Y 2 125 RUS609ZC SPRING 2 126 RXF0049 FLY WHEEL ASS Y 2 127 RXF0050 FLY WHEEL ASS Y 2 128 RXG0040 GEAR 4 129 RMK0283A J SUB CHASSIS 2 130 RXL0124 PINCH ROLLER ASS Y 2 130 1 RMB0401 SPRING 2 131 RXL0125 PINCH ROLLER ASS Y 2 131 1 RMB0402 SPRING 2 132 RXL0126 ARM GEAR 2 133 RXQ0412 CHASSIS ASS Y 2 133 1 RMB0405 SPRING 2 133 2 RMM0132 J FR ROD 2 134 REM0055 1 MOTOR ASS Y 2 135 RHD26...

Page 31: ...4R7 25V 4 7U 2 C239 40 ECUV1H681KBN 50V 680P 2 F1J1H681A021 C241 ECJ2VB1H103K 50V 0 01U 1 C301 ECA1CAM471XB 16V 470U 1 C302 ECEA2AN2R2S 100V 2 2U 1 C303 ECQP2E682JZT 250V 6800P 1 F0A2E682A002 C304 F2A1C101A133 16V 100U 1 C305 ECEA1HKS0R1 50V 0 1U 1 C306 ECQB1H393JF3 50V 0 039U 1 C307 ECUV1H102KBN 50V 1000P 1 ECJ2VB1H102K C308 ECJ2VB1H332K 50V 3300P 1 C309 ECEA0JKS470 6 3V 47U 1 C310 11 ECJ2VB1H103...

Page 32: ...IL 1 G0C101K00017 L701 G0C100JA0019 COIL 1 L702 J0JBC0000041 COIL 1 PCB1 REP2827E M MAIN P C B 1 RTL PCB2 REPX0108A MECHA SW P C B P B 1 RTL PCB3 REPX0108B MECHA SW P C B R P 1 RTL Q101 02 2SJ164RTA TRANSISTOR 2 2SJ01640RA Q103 04 2SJ164QTA TRANSISTOR 2 2SJ01640QA Q105 06 2SD1819ARTX TRANSISTOR 2 2SD1819ARL Q107 DTA143EUT106 TRANSISTOR 1 B1GDCFGG0008 Q108 DTC143EUT106 TRANSISTOR 1 B1GBCFGG0006 Q20...

Page 33: ...RJ6GEYJ682V 1 10W 6 8K 1 R136 37 ERJ6GEYJ222V 1 10W 2 2K 2 R138 ERJ6GEYJ472V 1 10W 4 7K 1 R139 40 ERJ6GEYF473 1 10W 47K 2 R141 ERJ8GEYJ101V 1 8W 100 1 R142 ERJ6GEYJ101V 1 10W 100 1 R143 ERDS2FJ101 1 4W 100 1 R144 ERJ6GEYJ101V 1 10W 100 1 R147 50 ERJ6GEYJ562V 1 10W 5 6K 4 R151 52 ERJ6GEYJ104V 1 10W 100K 2 R153 54 ERJ6GEYJ272V 1 10W 2 7K 2 R157 58 ERJ6GEYJ223V 1 10W 22K 2 R207 08 ERJ6GEYF473 1 10W 4...

Page 34: ...YJ101V 1 10W 100 1 R723 24 ERJ6GEYJ102V 1 10W 1K 2 R725 26 ERJ6GEYJ222V 1 10W 2 2K 2 R727 ERJ6GEYJ472V 1 10W 4 7K 1 R728 ERJ6GEYJ103V 1 10W 10K 1 R729 ERJ6GEYJ472V 1 10W 4 7K 1 R730 ERJ6GEYJ222V 1 10W 2 2K 1 R732 ERJ6GEYJ104V 1 10W 100K 1 R735 ERJ6GEYJ472V 1 10W 4 7K 1 R736 ERJ6GEYJ103V 1 10W 10K 1 R737 ERJ8GEYJ103V 1 8W 10K 1 R738 ERJ6GEYJ102V 1 10W 1K 1 R741 ERJ6GEYJ223V 1 10W 22K 1 R743 ERJ6GEY...

Page 35: ...925 ERJ6GEYJ102V 1 10W 1K 1 R952 ERDS2FJ821 1 4W 820 1 R953 ERDS2FJ393 1 4W 39K 1 R972 ERDS2FJ821 1 4W 820 1 R973 ERDS2FJ393 1 4W 39K 1 RJ504 ERJ6GEY0R00V CHIP JUMPER 1 RJ507 09 ERJ8GEY0R00V CHIP JUMPER 3 D0YFR0000002 S900 01 EVQ11G05R SW PUSH 2 S903 07 EVQ11G05R SW PUSH 5 S909 15 EVQ11G05R SW PUSH 7 S951 RSH1A018 3U SW MECHA DET 1 S952 53 RSH1A019 2U SW MECHA DET 2 S971 RSH1A018 3U SW MECHA DET 1...

Page 36: ...17 Mechanism Parts Location 36 ...

Page 37: ...37 ...

Page 38: ...18 Schematic Diagram for printing with letter size F0302KH 38 ...

Page 39: ...24 820 R905 2 2K R904 1 8K R903 1 5K R902 1 2K R901 1K R906 3 3K R900 820 R915 680 R914 330 R916 330 Q904 DTC143EUT106 LED DRIVE REV Q903 DTC143EUT106 LED DRIVE FWD R917 680 D904 MA111TX IC202 MC14066BFEL SIGNAL CONT 8 9 10 11 12 13 7 6 5 4 3 2 1 14 MAIN CIRCUIT A A B C D E F G Q108 DTC143EUT106 SWITCHING R126 22K R234 100 C216 16V10 C215 16V10 R233 100 R226 47K R208 47K R225 47K R207 47K RS DV290...

Page 40: ...42 43 44 45 46 47 48 20K 20K 25 26 27 28 29 30 31 32 33 34 35 36 REQEQ CTL 22 21 20 19 18 17 16 15 14 C306 0 039 R136 2 2K C124 25V4 7 DOLBY Rch F D E C N R M O B A IC201 CXA1552M T4 DOLBY B NR 1 2 3 4 5 8 9 12 13 14 15 ATT2 ATT2 ATT3 ATT3 ATT1 ATT1 SC DET SC DET 6 7 10 11 16 ON OFF R P B A J I A B A B IC102 MC14066BFEL DECK 1 2 SELECT 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Q107 DTA143EUT106 R P SELECT ...

Page 41: ...42 43 44 45 46 47 48 20K 20K 25 26 27 28 29 30 31 32 33 34 35 36 REQEQ CTL 22 21 20 19 18 17 16 15 14 C306 0 039 R136 2 2K C124 25V4 7 DOLBY Rch F D E C N R M O B A IC201 CXA1552M T4 DOLBY B NR 1 2 3 4 5 8 9 12 13 14 15 ATT2 ATT2 ATT3 ATT3 ATT1 ATT1 SC DET SC DET 6 7 10 11 16 ON OFF R P B A J I A B A B IC102 MC14066BFEL DECK 1 2 SELECT 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Q107 DTA143EUT106 R P SELECT ...

Page 42: ...RTX INTERFACE Q706 DTC114EUT106 RESET C707 0 01 D706 MA111TX D710 MA111TX B D R745 100 R710 1K R724 1K R723 1K D707 MA4051MTA L702 R738 1K R747 1K R704 4 7K R744 1K R727 4 7K R708 4 7K R729 4 7K R741 22K D708 MA111TX R743 47K R705 47K D709 MA111TX R728 10K R722 100 R703 5 6K R732 100K R721 4 7K R735 4 7K R632 47K R609 100 D651 MA165TA D652 MA165TA R604 330 C602 16V220 C605 16V220 C603 16V47 D606 M...

Page 43: ...RTX INTERFACE Q706 DTC114EUT106 RESET C707 0 01 D706 MA111TX D710 MA111TX B D R745 100 R710 1K R724 1K R723 1K D707 MA4051MTA L702 R738 1K R747 1K R704 4 7K R744 1K R727 4 7K R708 4 7K R729 4 7K R741 22K D708 MA111TX R743 47K R705 47K D709 MA111TX R728 10K R722 100 R703 5 6K R732 100K R721 4 7K R735 4 7K R632 47K R609 100 D651 MA165TA D652 MA165TA R604 330 C602 16V220 C605 16V220 C603 16V47 D606 M...

Page 44: ...24 820 R905 2 2K R904 1 8K R903 1 5K R902 1 2K R901 1K R906 3 3K R900 820 R915 680 R914 330 R916 330 Q904 DTC143EUT106 LED DRIVE REV Q903 DTC143EUT106 LED DRIVE FWD R917 680 D904 MA111TX IC202 MC14066BFEL SIGNAL CONT 8 9 10 11 12 13 7 6 5 4 3 2 1 14 MAIN CIRCUIT A A B C D E F G Q108 DTC143EUT106 SWITCHING R126 22K R234 100 C216 16V10 C215 16V10 R233 100 R226 47K R208 47K R225 47K R207 47K RS DV290...

Page 45: ...24 820 R905 2 2K R904 1 8K R903 1 5K R902 1 2K R901 1K R906 3 3K R900 820 R915 680 R914 330 R916 330 Q904 DTC143EUT106 LED DRIVE REV Q903 DTC143EUT106 LED DRIVE FWD R917 680 D904 MA111TX IC202 MC14066BFEL SIGNAL CONT 8 9 10 11 12 13 7 6 5 4 3 2 1 14 MAIN CIRCUIT A A B C D E F G Q108 DTC143EUT106 SWITCHING R126 22K R234 100 C216 16V10 C215 16V10 R233 100 R226 47K R208 47K R225 47K R207 47K RS DV290...

Page 46: ...6 DTC144EUT106 2SC3940AQSTA 2SD2144STA 2SJ164QTA 2SJ164RTA MA165TA MA4051MTA MA4056MTA SML79455C MA111TX 16PIN 14PIN 42PIN CXA1552M T4 MC14066BFEL M38503M2406F 1 4 5 8 12 13 1 25 36 24 37 48 No 1 4 3 2 1 3 2 4 1 E C B D G S E C B E C B E C B E C B A Ca Anode Cathode A Ca Anode Cathode A Ca Anode Cathode Ca A A Anode Cathode Anode ...

Page 47: ...EAD ERASE HEAD DECK 1 PLAYBACK HEAD CP305 CAPSTAN MOTOR DECK 2 CP306 CAPSTAN MOTOR DECK 1 To DVD CHANGER CD CHANGER CD PLAYER SOUND PROCESSOR CP902 CP901 C MECHANISM P C B DECK 2 B MECHANISM P C B DECK 1 FW901 CN901 BLACK 1 5 2 4 1 5 1 5 2 4 1 5 1 4 1 4 1 9 1 9 1 8 1 8 CS951 1 9 CS971 1 9 ...

Page 48: ......

Page 49: ...VR104 VR101 PLAYBACK GAIN ADJ DECK1 1 11 4 8 13 12 2 10 5 6 3 9 3 14 1 16 6 11 7 10 8 9 AVss Vss 15 21 3 Q201 DOLBY ON OFF 31 32 DOLBY ON OFF ENC DEC S953 CrO2 DECK1 S973 CrO2 DECK2 S976 METAL DECK2 CRO2 1 22 S951 MODE S952 HALF METAL 2 14 MODE 23 HALF1 24 6 M1 S972 HALF S974 R REC INH 6 D951 SOLENOID Q807 809 CAPSTAN MOTOR DECK1 VR801 TAPE SPEED ADJ M Q803 805 B2 D971 SOLENOID Q808 810 CAPSTAN MO...

Page 50: ...E B Q306 C E B Q305 C E B Q302 RJ507 D102 D705 D706 D709 D708 D701 D101 1 2 3 4 CP305 1 2 3 4 CP306 C E B Q806 C E B Q202 C E B Q201 C E B Q706 RJ508 RJ509 C705 C707 C E B Q702 C E B Q703 C E B Q701 C E B Q805 C E B Q809 L702 D710 RJ504 R231 R210 R209 C240 C239 C211 C604 C212 C208 C207 C241 MAIN P C B A REP2827E M W601 J TP302 TP301 C701 TP604 10V A GND DOLBY L ch DOLBY R ch R ch OUT L ch IN R ch ...

Page 51: ...42 43 44 45 46 47 48 20K 20K 25 26 27 28 29 30 31 32 33 34 35 36 REQEQ CTL 22 21 20 19 18 17 16 15 14 C306 0 039 R136 2 2K C124 25V4 7 DOLBY Rch F D E C N R M O B A IC201 CXA1552M T4 DOLBY B NR 1 2 3 4 5 8 9 12 13 14 15 ATT2 ATT2 ATT3 ATT3 ATT1 ATT1 SC DET SC DET 6 7 10 11 16 ON OFF R P B A J I A B A B IC102 MC14066BFEL DECK 1 2 SELECT 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Q107 DTA143EUT106 R P SELECT ...

Page 52: ...RTX INTERFACE Q706 DTC114EUT106 RESET C707 0 01 D706 MA111TX D710 MA111TX B D R745 100 R710 1K R724 1K R723 1K D707 MA4051MTA L702 R738 1K R747 1K R704 4 7K R744 1K R727 4 7K R708 4 7K R729 4 7K R741 22K D708 MA111TX R743 47K R705 47K D709 MA111TX R728 10K R722 100 R703 5 6K R732 100K R721 4 7K R735 4 7K R632 47K R609 100 D651 MA165TA D652 MA165TA R604 330 C602 16V220 C605 16V220 C603 16V47 D606 M...

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