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Sony SA-VE225, Service Manual

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Sony SA-VE225 Service Manual Download Page 5

SA-VE225/WMS225/SS-CN225/V225

5

5

OVER

LOAD DET

OFFSET DET

AUTO RESET

AC OFF DET

GND

VCC ON MUTE

VCC

RELA

Y

DRIVE

(1/2)

(1/2)

(2/2)

(2/2)

(2/2)

(1/2)

MIX AMP

(1/2)

(1/2)

HIGH-PASS FILTER

(2/2)

LOW-PASS FILTER

(2/2)

1A 250V

BUFFER

(1/2)

3

2

1

(2/2)

(CHASSIS)

D304

1SS133

7P

7P

RBA-402-SL

RBA-402-SL

RBA-406B

1-3.

SCHEMATIC  DIAGRAM (SA-WMS225)

•

 See page 3 for IC Block Diagrams.

The components identified by mark 

0

 or dotted

line with mark 

0

 are critical for safety.

Replace only with part number specified.

Summary of Contents for SA-VE225

Page 1: ...off frequency 200 Hz Inputs LINE IN input pin jack SPEAKER IN input terminals Outputs LINE OUT output pin jack SPEAKER OUT output terminals General Power requirements 220 230 V AC 50 60 Hz Power consumptions 50 W Dimensions w h d Approx 205 385 385 mm including front grille Mass Approx 10 5 kg Supplied accessories Foot pads 20 Monaural connecting cord 1 phono to 1 phono 1 Speaker connecting cords ...

Page 2: ...cated except for electrolytics and tantalums All resistors are in Ω and 1 4 W or less unless otherwise specified 2 nonflammable resistor 5 fusible resistor C panel designation A B Line B B Line Voltages are dc with respect to ground under no signal conditions Voltages are taken with a VOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Signal path F AUDIO...

Page 3: ...S 14 15 12 13 10 11 8 9 6 7 5 3 4 1 2 MOS OUTPUT STAGE SHORT CIRCUIT PROTECTION 1 2 3 4 5 6 7 8 OVER LOAD DET F F OFFSET DET LATCH AUTORESET VCC ON MUTE AC OFF DET OVER LOAD DET OFFSET DET AUTO RESET AC OFF DET GND RELAY DRIVE VCC ON MUTE VCC IC Block Diagrams MAIN Board IC302 µPC1237HA Circuit Boards Location SA WMS225 POWER IC board POWER SW board LED board CONTROL board MAIN board POWER IC Boar...

Page 4: ... r 1 676 713 LINE 1 677 993 1 676 714 1 676 565 R102 R101 R103 R104 1 2 A B C D E F G H 3 4 5 6 7 8 9 10 11 1 2 PRINTED WIRING BOARDS SA WMS225 See page 3 for Circuit Boards Location Semiconductor Location Ref No Location D101 G 11 D102 F 11 D103 G 10 D104 G 10 D301 F 8 D302 F 8 D303 F 5 D304 D 8 D501 G 5 D502 G 7 D503 H 7 D801 B 7 IC101 G 11 IC102 G 9 IC103 E 11 IC201 B 3 IC302 E 10 IC401 B 10 Q1...

Page 5: ...2 MIX AMP 1 2 1 2 HIGH PASS FILTER 2 2 LOW PASS FILTER 2 2 1A 250V BUFFER 1 2 3 2 1 2 2 CHASSIS D304 1SS133 7P 7P RBA 402 SL RBA 402 SL RBA 406B 1 3 SCHEMATIC DIAGRAM SA WMS225 See page 3 for IC Block Diagrams The components identified by mark 0 or dotted line with mark 0 are critical for safety Replace only with part number specified ...

Page 6: ... Ref No Part No Description Remark Ref No Part No Description Remark 1 X 4952 542 1 FRAME ASSY GRILLE BLACK 1 X 4953 558 1 FRAME ASSY GRILLE SILVER 2 X 4952 603 1 PANEL ASSY FRONT BLACK 2 X 4953 559 1 PANEL ASSY FRONT SILVER 3 4 973 938 41 KNOB A PUSH BLACK 3 4 973 938 71 KNOB A PUSH SILVER 4 4 227 298 01 SHEET 5 4 226 228 01 KNOB VOL BLACK 5 4 226 228 11 KNOB VOL SILVER 7 1 676 565 11 LED BOARD 8...

Page 7: ...ACK 101 X 4953 560 1 PANEL ASSY FRONT SILVER 102 3 703 564 31 SCREW DIA 3 5 103 X 4952 575 1 CABINET ASSY SPEAKER BLACK 103 X 4953 561 1 CABINET ASSY SPEAKER SILVER 104 1 694 516 11 TERMINAL SPEAKER BLACK 104 1 694 516 21 TERMINAL SPEAKER SILVER SP2 1 529 578 11 SPEAKER 5X9cm SP3 1 529 578 11 SPEAKER 5X9cm 101 not supplied 103 102 104 1 SP2 SP3 5 5 ...

Page 8: ...ANEL ASSY FRONT BLACK 151 X 4953 562 1 PANEL ASSY FRONT SILVER 152 3 703 564 31 SCREW DIA 3 5 153 X 4952 573 1 CABINET ASSY SPEAKER BLACK 153 X 4953 563 1 CABINET ASSY SPEAKER SILVER 154 1 164 516 11 TERMINAL SPEAKER BLACK 154 1 164 516 21 TERMINAL SPEAKER SILVER SP4 1 529 577 11 SPEAKER 5X9cm 151 SP4 153 1 5 154 152 not supplied ...

Page 9: ... uA µA uPA µPA uPB µPB uPC µPC uPD µPD CAPACITORS uF µF COILS uH µH The components identified by mark 0 or dotted line with mark 0 are critical for safety Replace only with part number specified When indicating parts by reference number please include the board A 4720 478 A MAIN BOARD COMPLETE CAPACITOR 0C1 1 113 924 11 CERAMIC 0 0047uF 20 250V 0C2 1 113 924 11 CERAMIC 0 0047uF 20 250V C101 1 162 ...

Page 10: ...ON 100K 5 1 4W R115 1 249 429 11 CARBON 10K 5 1 4W R116 1 247 843 11 CARBON 3 3K 5 1 4W R117 1 249 424 11 CARBON 3 9K 5 1 4W R118 1 249 436 11 CARBON 39K 5 1 4W R119 1 249 417 11 CARBON 1K 5 1 4W R120 1 249 435 11 CARBON 33K 5 1 4W R121 1 249 425 11 CARBON 4 7K 5 1 4W R122 1 249 439 11 CARBON 68K 5 1 4W R123 1 249 417 11 CARBON 1K 5 1 4W R124 1 249 435 11 CARBON 33K 5 1 4W R125 1 249 425 11 CARBON...

Page 11: ...5X9cm 0T501 1 435 895 11 TRANSFORMER POWER HARDWARE LIST 1 7 621 846 40 SCREW M4X16 TAPPING 2 7 685 165 01 SCREW PTP 4X25 TYPE1 3 7 685 647 79 SCREW P 3X10 TYPE2 NON SLIT 4 7 685 648 79 SCREW P 3X12 TYPE2 NON SLIT 5 7 685 659 79 SCREW BVTP 4X8 TYPE2 IT 3 6 7 685 660 19 SCREW BVTP 4X10 TYPE2 N S 7 7 685 663 79 SCREW BVTP 4X16 TYPE2 N S 8 7 685 664 79 SCREW PTP 4X20 TYPE1 9 7 685 665 79 SCREW BVTP 4...

Page 12: ...EVISION HISTORY Clicking the version allows you to jump to the revised page Also clicking the version at the upper right on the revised page allows you to jump to the next revised page Ver Date Description of Revision 1 0 2001 02 New ...

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