Sony XES-M50 Service Manual

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Summary of Contents:

[Page 1] Sony XES-M50

MICROFILM SERVICE MANUAL STEREO POWER AMPLIFIER XES-M50 SPECIFICATIONS TABLE OF CONTENTS 1. GENERAL ................................................................... 2 2. DISASSEMBLY ......................................................... 9 3. ...

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– 2 – This section is extracted from instruction manual. SECTION 1 GENERAL ...

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– 9 – SECTION 2 DISASSEMBLY 7 two screws (P2.6 × 6) 1 two hexagon soket bolts (4 × 17) 6 chassis (upper) 1 two hexagon soket bolts (4 × 17) FRONT, REAR PANEL 1 connector (CNP102) 2 two hexagon socket bolts (4 × 10) 3 cover (B) 4 cov...

[Page 10] Sony XES-M50

– 10 – 1 three connectors (CNP103, 105, 205) 4 two screws (B4 × 14) 5 bracket (TR) 6 four screws (B3 × 10) 7 four screws (B3 × 4) 2 two screws (BV M3 × 12) 3 two spacers 7 four screws (B3 × 4) 4 two screws (B4 × 14) 5 bracket (T...

[Page 11] Sony XES-M50

– 11 – + + + – SECTION 3 ELECTRICAL ADJUSTMENT digital voltmeter [L-CH AMP BOARD] [R-CH AMP BOARD] L-CH R-CH VR202 R215 R-CH L-CH VR102 R115 IDLING CURRENT ADJUSTMENT Procedure: 1. Rotate Semi-fixed resistors VR102 and VR202 fully counter- c...

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– 18 – 11 Ref. No. Part No. Description Remark 10 7 #3 11 2 5 4 5 4 8 #3 not supplied 8 1 SECTION 5 EXPLODED VIEWS 9 8 12 #5 #2 #5 #3 #2 3 4 4 3 #1 3 2 1 3 6 * 1 3-010-005-01 COVER (A) * 2 3-011-290-01 COVER (B) 3 3-011-386-01 BOLT (4X17)...

[Page 15] Sony XES-M50

– 19 – 61 67 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 65 3-009-995-01 PANEL (REAR) 66 1-782-013-11 CORD (WITH CONNECTOR) (REMOTE) * 67 3-011-285-01 FOOT (A) * 68 1-663-821-11 JACK (R) BOARD * 69 3-009-996-...

[Page 16] Sony XES-M50

– 20 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 102 118 #4 109 104 103 118 119 #4 #4 101 102 103 116 112 104 114 105 supplied with VR101 107 108 115 108 #6 #4 106 #6 #4 107 106 #6 109 112 111 113 107 110 T102, 202...

[Page 17] Sony XES-M50

– 21 – SECTION 6 ELECTRICAL PARTS LIST When indicating parts by reference number, please include the board. NOTE: • Due to standardization, replacements in the parts list may be different from the parts speci- fied in the diagrams or the com...

[Page 18] Sony XES-M50

– 22 – L-CH AMP Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark R111 1-247-727-11 CARBON 10 5% 1/2W R112 1-259-708-11 CARBON 22K 2% 1W R113 1-259-708-11 CARBON 22K 2% 1W R114 1-259-676-11 CARBON 1K 2% 1W R115 1-219-695-11...

[Page 19] Sony XES-M50

– 23 – Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark L-CH AMP LED R-CH AMP < TRANSFORMER > T101 1-431-185-11 TRANSFORMER, CONVERTER T102 1-431-186-11 TRANSFORMER, DC-DC CONVERTER < THERMISTOR > TH101...

[Page 20] Sony XES-M50

– 24 – Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark R-CH AMP < TRANSISTOR > Q201 8-729-203-21 TRANSISTOR 2SK389-GR Q202 8-729-040-33 TRANSISTOR 2SJ109GR Q203 8-729-201-56 TRANSISTOR 2SK246-GR2 Q204 8-729-20...

[Page 21] Sony XES-M50

– 25 – Ref. No. Part No. Description Remark THP202 1-809-664-21 THERMISTOR, POSITIVE < VARIABLE RESISTOR > VR201 1-225-433-11 RES, VAR, CARBON 50K (LEVEL) VR202 1-225-430-11 RES, ADJ 5K ******************************************************...

[Page 22] Sony XES-M50

– 26 – XES-M50 98F057542-1 Printed in Hungary © 1998. 6 Published by Quality Assurance Dept. 9-925-539-13 Sony Corporation Personal & Mobile Communication Company ...