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Summary of Contents for Sony XM-7527 X-Plod
- Page 1 XM-7527 SERVICE MANUAL US Model Canadian Model AEP Model UK Model E Model SPECIFICATIONS STEREO POWER AMPLIFIER MICROFILM...
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Page 2: Table Of Contents
TABLE OF CONTENTS Notes on chip component replacement • Never reuse a disconnected chip component. • Notice that the minus side of a tantalum capacitor may be 1. SERVICE MODE ............. 3 damaged by heat. 2. GENERAL ................4 3. DISASSEMBLY 3-1. -
Page 3: Service Mode
SECTION 1 SERVICE NOTE Clearing the Protector During Repairs • OVER CURRENT : Detects overcurrent during output. • OFF SET : Detects DC offset at the speaker terminal. 1. Clearing the OVER CURRENT protector 1 When the position of the MODE switch (S801/power board) is set to HI-VOLTAGE : Cut the jumper wire JW065 of the amplifier board. -
Page 4: General
SECTION 2 This section is extracted from instruction manual. GENERAL... -
Page 7: Disassembly
SECTION 3 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. 3-1. SIDE PLATE AND BOTTOM PLATE 2 Three screws 1 Two screws (BTP3x8) (BTP3x8) 3 Bottom plate 6 Two screws 4 Screw (BTP3x8) (BTP3x8) 9 Side panel (L) 5 Filter board 7 Screw (BTP3x8) 0 Two screws... -
Page 8: Electrical Adjustment
SECTION 4 ELECTRICAL ADJUSTMENTS Idling Current Adjustment Adjustment Location - AMPLIFIER BOARD - (Component side) • Perform adjustments in the HI-VOLTAGE mode. 1 Adjustment point Semi-fixed resistors VR101, VR201 of amplifier board. 2 Precautions on adjustments 1. Set the RCA input terminal to open. 2. -
Page 9: Diagrams
XM-7527 SECTION 5 DIAGRAMS 5-1. BLOCK DIAGRAM – AMPLIFIER SECTION – DIRECT LINE SWITCH Q102 SW802(1/2) SPEAKER OUT DIFFERENTIAL POWER AMP H.P.F L.P.F BOOST/LOWCUT (VOLTAGE STAGE) CN807 LOWBOOST IC101(2/2) IC101(1/2) LINE SWITCH PRE AMP H.P.F L.P.F CNJ806 CNP806 FREQ Q104,106 Q108 IC102(1/2) IC201(2/2) -
Page 10: Block Diagram - Power Section
XM-7527 5-2. BLOCK DIAGRAM – POWER SECTION – POWER BOARD LED BOARD D843 D842 D841 OVER CURRENT OFFSET THERMAL CNB804 CNP803 OFFSET LED OFFSET CONTROL SWITCH Q805-806 Q811 D845 D844 D806 AMPLIFIER HI-C HI-V HI-VOLTAGE HI-CURRENT BOARD CNP804 S801 MODE D905 MODE S801... -
Page 11: Ic Block Diagram
XM-7527 THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.) For schematic diagrams. Note: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums. -
Page 12: Printed Wiring Board - Filter/Amplifier Section
XM-7527 5-4. PRINTED WIRING BOARD – FILTER/AMPLIFIER SECTION – AMPLIFIER BOARD CNP806 (Page 12) AMPLIFIER BOARD FILTER BOARD CNJ805 OUTPUT INPUT CN807 MONO (THROUGH) SPEAKER (MONO) S802 VR801 VR803 VR802 DIRECT LEVEL BOOST BOOST JW001 JW002 LEVEL LOW CUT S805 OFF) (MIN MAX) -
Page 13: Schematic Diagram - Filter/Amplifier Section
XM-7527 5-5. SCHEMATIC DIAGRAM – FILTER/AMPLIFIER SECTION – • See page 11 for IC Block Diagram. C964 0.001 L904 C963 0.45uH 100 16V C962 C966 100 16V 0.001 L906 0.45uH POWER CONTROL R943 R944 C959 0.022 C960 POWER DRIVE 0.022 R948 R947 L907... -
Page 14: Printed Wiring Board - Power Section
XM-7527 5-6. PRINTED WIRING BOARD – POWER SECTION – POWER BOARD POWER BOARD (SIDE A) (SIDE B) +12V F902 F901 CN802 S801 MODE (HI-VOLTAGE HI-CURRENT) R901 AMPLIFIER CNJ801 BOARD C901 CNP804 (Page 12) R812 L901 C902 D805 C802 BLK +5V BLU MUTE R811 IC801... -
Page 15: Schematic Diagram/Printed Wiring Board - Led/Power Section
XM-7527 5-7. SCHEMATIC DIAGRAM/PRINTED WIRING BOARD – LED/POWER SECTION – • See page 11 for IC Block Diagram. POWER BOARD • Semiconductor CNP803 (Page 14) Location LED BOARD Ref. No. Location R850 R849 JW841 JW842 R842 R845 D841 R848 CNB803 D842 R854 D843... -
Page 16: Exploded Views
3-039-178-01 HEAT SINK (RECTIFIER), SUB 3-039-168-01 PANEL (R), SIDE 3-039-167-01 PANEL (L), SIDE 3-912-431-01 SCREW (P) 3-039-174-01 HEAT SINK (COVER) 3-704-177-11 EMBLEM (No. 7), SONY 3-039-171-01 HOLDER, LED 3-039-173-01 PLATE (BKT), BOTTOM 3-040-933-01 BOLT, M4 HEXAGON HOLE 3-039-170-01 LENS(COVER) F901... -
Page 17: Electrical Parts List
SECTION 7 AMPLIFIER ELECTRICAL PARTS LIST Note: • SEMICONDUCTORS • Due to standardization, replacements in the parts list When indicating parts by reference In each case, u: µ , for example: may be different from the parts specified in the number, please include the board uA...: µ... - Page 18 AMPLIFIER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < DIODE > Q201 8-729-203-48 TRANSISTOR 2SC3327-A Q202 8-729-203-48 TRANSISTOR 2SC3327-A D101 8-719-025-50 DIODE 02CZ16-TE85L Q203 8-729-140-82 TRANSISTOR 2SA988-FA D102 8-719-025-50 DIODE 02CZ16-TE85L Q204 8-729-184-53 TRANSISTOR 2SC1841-FA D103 8-719-820-05 DIODE 1SS181-TE85R Q205...
- Page 19 AMPLIFIER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R145 1-208-437-61 RES,CHIP 1/10W R249 1-208-462-61 RES,CHIP 1/10W R250 1-208-462-61 RES,CHIP 1/10W R146 1-208-437-61 RES,CHIP 1/10W R251 1-208-462-61 RES,CHIP 1/10W R148 1-208-789-11 RES,CHIP 1/10W R252 1-208-462-61 RES,CHIP 1/10W R149 1-208-462-61 RES,CHIP...
- Page 20 AMPLIFIER FILTER POWER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < VARIABLE RESISTOR > S804 1-692-721-11 SWITCH, SLIDE (NFB) VR101 1-241-760-11 RES, ADJ, CERMET 470 (IDLING) < VARIABLE RESISTOR > VR201 1-241-760-11 RES, ADJ, CERMET 470 (IDLING) VR801 1-225-648-11 RES, VAR 5K/5K (LEVEL) VR804...
- Page 21 POWER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C910 1-131-731-11 ELECT 2200uF Q806 8-729-230-49 TRANSISTOR 2SC2712-Y C911 1-131-731-11 ELECT 2200uF Q807 8-729-216-21 TRANSISTOR 2SA1162-Y C912 1-131-731-11 ELECT 2200uF Q808 8-729-230-49 TRANSISTOR 2SC2712-Y C913 1-131-731-11 ELECT 2200uF Q809 8-729-230-49 TRANSISTOR...
- Page 22 < TRANSFORMER > T901 1-435-148-11 TRANSFORMER, DC-DC CONVERTER < THERMISTOR > TH801 1-810-506-11 THERMISTOR NTH5G39B223K01 TH802 1-810-506-11 THERMISTOR NTH5G39B223K01 TH901 1-810-506-11 THERMISTOR NTH5G39B223K01 ************************************************************** Sony Corporation 9-926-592-11 99F09278-1 Mobile Electronics Company Printed in Japan © 1999. 6 Published by Quality Assurance Dept.