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Sony DPS-V55 Service Manual Download Page 17

DPS-V55/V55M

– 21 –

– 22 –

5-4.

SCHEMATIC  DIAGRAM  – MAIN Section (3/3) –

•

 See page 14 for Note on Schematic Diagram and IC Block Diagrams.  • See pages 15 and 16 for Printed Wiring Board.  • See page 27 for Waveforms.

The components identified by mark 

!

 or dotted

line with mark 

!

 are critical for safety.

Replace only with part number specified.

Les composants identifiés par une marque 

!

 sont

critiques pour la sécurité.

Ne les remplacer que

par une piéce portant le numéro spécifié.

(Page 20)

(Page 25)

Summary of Contents for DPS-V55

Page 1: ...MICROFILM SERVICE MANUAL MULTI EFFECT PROCESSOR US Model Canadian Model DPS V55 AEP Model UK Model DPS V55M SPECIFICATIONS DPS V55 V55M Photo DSP V55 ...

Page 2: ... THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB LISHED BY SONY TABLE OF CONTENTS 1 SERVICING NOTES 2 2 GENERAL 5 3 DISASSEMBLY 9 4 TEST MODE 11 5 DIAGRAMS 13 5 1 Printed Wiring Board MAIN Section 15 5 2 Schematic Diagram MAIN Section 1 3 17 5 3 Schematic Dia...

Page 3: ...or All Initialize are displayed at the power ON internal data are still saved and in this case internal data are kept unchanged if the battery is replaced while the power is turned on To avoid a trouble it is recommended to save internal data using the Data Filer etc This information is given to the users on page 19 of the Operation Manual Ver 1 00 Flexible Circuit Board Repairing Keep the tempera...

Page 4: ...ree methods 1 A commercial leakage tester such as the Simpson 229 or RCA WT 540A Follow the manufacturers instructions to use these instruments 2 A battery operated AC milliammeter The Data Precision 245 digital multimeter is suitable for this job 3 Measuring the voltage drop across a resistor by means of aVOM or battery operatedAC voltmeter The limit indication is 0 75 V so analog meters must hav...

Page 5: ... 5 SECTION 2 GENERAL This section is extracted from instruction manual ...

Page 6: ... 6 ...

Page 7: ... 7 ...

Page 8: ... 8 ...

Page 9: ... TP2 1 three screws case 3 TP2 3 case 1 two screws case 3 TP2 2 two screws case 3 TP2 5 front panel ass y 4 clamp 1 flat wire 23 core CN702 3 four screws BVTT3 6 1 connector CN703 2 three screws BVTT3 6 Note Follow the disassembly procedure in the numerical order given ...

Page 10: ...ix screws BVTP3 10 1 connector CN601 3 screw BVTT3 6 3 three screws BVTT3 6 3 screw BVTT3 6 3 MAIN board 1 flat wire 23 core CN702 2 two screws BVTT3 6 1 connector CN301 2 two screws BVTT3 6 1 connector CN101 1 connector CN602 1 connector CN701 1 connector CN703 ...

Page 11: ...h but ton and rotary encoder position 2 Begin the MIDI circuit check and display result Display No problem Circuit problem or no connecting cable If retry of check Press n button and Press N button with begin 4 Signal check 1 Bypass check mode 1 Press n button 2 Enter the bypass check mode Analog output muting is OFF and each channel the out put signal as intact as input signal Display 5 Signal ch...

Page 12: ...2 is wrong Method Check the bridge is possible and if find out a repair Perform an initialize See Initialize Method Replace the IC702 if do not restore of these items the above mentioned and not happen an other error messages Display 4 DRAM Error Contents Internal data of DRAM IC503 is wrong Method Check the bridge is possible and if find out a repair Display 5 Battery Low Contents Exhaust the pow...

Page 13: ...eforms THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS In addition to this the necessary note is each block B These are omitted C E Q Note The components identi fied by mark or dotted line with mark are criti cal for safety Replace only with part number specified Note Les composants identifiés par une marque sont critiques pour la sécurité Ne les remplacer que par une piéce po...

Page 14: ...DPS V55 V55M 15 16 5 1 PRINTED WIRING BOARD MAIN Section See page 13 for Circuit Boards Location See page 14 for Note on Printed Wiring Board Page 23 Page 23 Page 23 Page 24 Page 23 Page 23 ...

Page 15: ...06 H 12 D607 H 12 D608 H 12 D609 G 10 D610 H 10 D651 G 11 D652 H 11 D701 C 2 D751 B 4 IC101 B 13 IC102 C 13 IC103 C 8 IC104 C 8 IC201 B 12 IC202 C 12 IC203 C 8 IC301 B 11 IC302 C 11 IC303 C 7 IC304 C 7 IC401 B 9 IC402 C 9 IC403 C 6 IC501 F 9 IC502 E 5 IC503 D 5 IC504 H 5 IC505 H 6 IC506 H 7 IC507 H 7 IC551 F 7 IC601 G 10 IC602 H 10 IC603 I 10 IC604 I 8 IC701 G 3 IC702 E 3 IC703 B 2 IC704 D 3 IC705...

Page 16: ... V55 V55M 19 20 5 3 SCHEMATIC DIAGRAM MAIN Section 2 3 See page 14 for Note on Schematic Diagram and IC Block Diagrams See pages 15 and 16 for Printed Wiring Board See page 27 for Waveforms Page 18 Page 21 ...

Page 17: ...15 and 16 for Printed Wiring Board See page 27 for Waveforms The components identified by mark or dotted line with mark are critical for safety Replace only with part number specified Les composants identifiés par une marque sont critiques pour la sécurité Ne les remplacer que par une piéce portant le numéro spécifié Page 20 Page 25 ...

Page 18: ...n See page 14 for Note on Printed Wiring Boards 23 24 Ref No Location Ref No Location D801 A 4 D802 A 5 D803 A 3 D804 A 2 IC901 B 6 IC902 B 3 Semiconductor Location VOLUME BOARD Q801 A 3 Q802 A 3 Q803 A 3 Q804 A 2 Q805 A 2 Q806 A 2 Q807 A 2 Q808 A 1 Page 15 Page 16 Page 16 Page 24 Page 15 Page 15 Page 16 Page 24 ...

Page 19: ... components identified by mark or dotted line with mark are critical for safety Replace only with part number specified Les composants identifiés par une marque sont critiques pour la sécurité Ne les remplacer que par une piéce portant le numéro spécifié Page 22 Page 17 Page 17 Page 17 Page 17 Page 17 ...

Page 20: ...nput of the serial in out data Not used fixed at L 23 BCT O Divider output for the bit clock signal Not used open 24 LCT I O Counter input for the cycle detect divider LRCK output terminal Not used open 25 SIA I Serial data for sound input from the CS4222 IC501 26 SIB I Serial data for sound input from the CS4222 IC551 27 SIC I Serial data for sound input terminal Not used fixed at L 28 VDD Power ...

Page 21: ... RAM device Not used 70 VSS Ground terminal 71 ED25 I O Two way data bus with the memory IC503 72 ED10 I O Two way data bus with the external RAM device Not used 73 ED26 I O Two way data bus with the memory IC503 74 ED11 I O Two way data bus with the external RAM device Not used 75 ED27 I O Two way data bus with the memory IC503 76 ED12 I O Two way data bus with the external RAM device Not used 77...

Page 22: ... Dial pulse input from the rotary encoder SW841 L active 49 MD0 I Setting terminal for the external vector mode Fixed at L in this set 50 MD1 I Setting terminal for the external vector mode Fixed at H in this set 51 MD2 I Setting terminal for the external vector mode Fixed at L in this set 52 HSTX I Hardware standby input terminal Fixed at H in this set 53 REDY I Ready detection signal input from ...

Page 23: ... input terminal L reset 78 WR O Write strobe signal output to the static RAM IC702 79 RD O Read strobe signal output to the static RAM IC702 and EP ROM IC704 80 O Not used open 81 VSS Ground terminal 82 X0 I System clock input terminal 4 MHz 83 X1 O System clock output terminal 4 MHz 84 VCC Power supply terminal 5V 85 to 92 D00 to D07 I O Two way data bus with the static RAM IC702 and EP ROM IC704...

Page 24: ... XX and X mean standardized parts so they may have some difference from the original one Color Indication of Appearance Parts Example KNOB BALANCE WHITE RED Parts Color Cabinet s Color Ref No Part No Description Remark Ref No Part No Description Remark 1 CASE FRONT PANEL SECTION 3 4 5 7 8 9 6 2 1 14 13 12 11 11 11 11 3 3 2 2 1 2 supplied with SW841 10 not supplied not supplied 1 4 997 526 01 KNOB ...

Page 25: ...EG 61 3 670 570 00 SPACER SUPPORT 62 3 917 216 11 KNOB TIMER DPS V55M 63 4 985 896 11 KNOB REC DPS V55M 64 1 668 988 11 JACK BOARD DPS V55M 65 4 999 176 01 CUSION DIA 10 T601 1 431 768 11 TRANSFORMER POWER DPS V55M T601 1 431 769 11 TRANSFORMER POWER DPS V55 The components identified by mark or dotted line with mark are critical for safety Replace only with part num ber specified Les composants id...

Page 26: ...11 CERAMIC 0 1uF 50V C952 1 162 282 31 CERAMIC 100PF 10 50V C953 1 162 282 31 CERAMIC 100PF 10 50V C954 1 126 049 11 ELECT 22uF 20 50V C955 1 126 049 11 ELECT 22uF 20 50V C956 1 110 335 11 MYLAR 100PF 5 50V C957 1 110 335 11 MYLAR 100PF 5 50V C958 1 110 335 11 MYLAR 100PF 5 50V C959 1 110 335 11 MYLAR 100PF 5 50V C961 1 136 165 00 FILM 0 1uF 5 50V CONNECTOR CN951 1 779 830 11 CONNECTOR BOARD TO BO...

Page 27: ... 1 110 335 11 MYLAR 100PF 5 50V C311 1 110 335 11 MYLAR 100PF 5 50V C312 1 110 339 11 MYLAR 220PF 5 50V C313 1 130 475 00 MYLAR 0 0022uF 5 50V C314 1 126 022 11 ELECT 47uF 20 25V C315 1 163 133 00 CERAMIC CHIP 470PF 5 50V C318 1 110 335 11 MYLAR 100PF 5 50V C319 1 130 474 00 MYLAR 0 0018uF 5 50V C320 1 130 475 00 MYLAR 0 0022uF 5 50V C351 1 115 339 11 CERAMIC CHIP 0 1uF 10 50V C402 1 126 022 11 EL...

Page 28: ...AMIC CHIP 0 1uF 10 50V C758 1 115 339 11 CERAMIC CHIP 0 1uF 10 50V C759 1 115 339 11 CERAMIC CHIP 0 1uF 10 50V C760 1 115 339 11 CERAMIC CHIP 0 1uF 10 50V C761 1 115 339 11 CERAMIC CHIP 0 1uF 10 50V CONNECTOR CN101 1 564 511 11 PLUG CONNECTOR 8P CN301 1 564 509 11 PLUG CONNECTOR 6P CN601 1 580 230 11 PIN CONNECTOR PC BOARD 2P CN602 1 580 230 51 PIN CONNECTOR PC BOARD 2P CN701 1 568 937 11 PIN CONN...

Page 29: ...0uH L703 1 410 521 11 INDUCTOR 100uH L704 1 410 521 11 INDUCTOR 100uH L751 1 410 521 11 INDUCTOR 100uH LINE FILTER LF601 1 424 485 11 FILTER LINE PHOTO INTERRUPTER PH751 8 749 924 58 PHOTO COUPLER PC900V TRANSISTOR Q101 8 729 141 30 TRANSISTOR 2SC3623A LK Q151 8 729 900 65 TRANSISTOR DTA144ES Q152 8 729 900 89 TRANSISTOR DTC144ES Q201 8 729 141 30 TRANSISTOR 2SC3623A LK Q301 8 729 141 30 TRANSISTO...

Page 30: ... RES CHIP 820 2 1 8W R320 1 208 510 61 RES CHIP 10K 2 1 8W R321 1 216 174 00 RES CHIP 100 2 1 8W R322 1 216 214 00 RES CHIP 4 7K 2 1 8W R323 1 216 210 00 RES CHIP 3 3K 2 1 8W R324 1 208 494 61 RES CHIP 2 2K 2 1 8W R325 1 208 484 11 RES CHIP 820 2 1 8W R326 1 216 202 00 RES CHIP 1 5K 2 1 8W R327 1 216 238 00 RES CHIP 47K 2 1 8W R328 1 216 238 00 RES CHIP 47K 2 1 8W R329 1 216 178 00 RES CHIP 150 2 ...

Page 31: ...R712 1 216 049 11 RES CHIP 1K 5 1 10W R713 1 216 073 00 METAL CHIP 10K 5 1 10W R716 1 216 073 00 METAL CHIP 10K 5 1 10W R717 1 216 073 00 METAL CHIP 10K 5 1 10W R718 1 216 073 00 METAL CHIP 10K 5 1 10W R719 1 216 073 00 METAL CHIP 10K 5 1 10W R720 1 216 073 00 METAL CHIP 10K 5 1 10W R721 1 216 073 00 METAL CHIP 10K 5 1 10W R722 1 216 129 00 METAL CHIP 2 2M 5 1 10W R723 1 216 017 00 RES CHIP 47 5 1...

Page 32: ... 4W R901 1 259 436 11 CARBON 2 2K 5 1 6W R902 1 259 436 11 CARBON 2 2K 5 1 6W R903 1 259 436 11 CARBON 2 2K 5 1 6W R904 1 259 436 11 CARBON 2 2K 5 1 6W R905 1 259 436 11 CARBON 2 2K 5 1 6W R906 1 259 436 11 CARBON 2 2K 5 1 6W R907 1 259 436 11 CARBON 2 2K 5 1 6W R908 1 259 436 11 CARBON 2 2K 5 1 6W R960 1 259 468 11 CARBON 47K 5 1 6W DPS V55M VARIABLE RESISTOR RV901 1 223 673 11 RES VAR CARBON 10K...

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