Sony XM440EX free download

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XM-440EX/440NX SERVICE MANUAL Canadian Model AEP Model E Model XM-440EX UK Model XM-440NX Photo : XM-440EX SPECIFICATIONS STEREO POWER AMPLIFIER MICROFILM 1 TABLE OF CONTENTS Specifications ... 1 1. GENERAL ... 3 2. DISASSEMBLY 2-1. Main Board Removal ... 6 3. DIAGRAMS 3-1. Block Diagram ... 7 3-2. Printed Wiring Boards ... 9 3-3. Schematic Diagrams ­MAIN (1/2) Section ­ ... 10 3-4. Schematic Diagrams ­MAIN (2/2) Section ­ ... 11 4. EXPLODED VIEW ... 12 5. ELECTRICAL PARTS LIST ... 12 2 SECTION 1 GENERAL This section is extracted from instruction manual. 3 4 5 SECTION 2 DISASSEMBLY Note : Follow the disassembly procedure in the numerical order given. 2-1. MAIN BOARD REMOVAL 1 Two screws (+BTP3x4) 2 Two screws (+BTP3x4) 9 Screw (+BTP3x4) 7 Two screws (+BTP3x8) 8 Two screws (+BTP3x8) 3 Bottom plate 6 Two screws (+BTP3x6) 5 Two screws (+BTP3x6) 4 Screw (+BTP3x8) 0 Screw (+BTP3x4) qa Main board (Remove the direction of arrow) Heat sink 6 SECTION 3 DIAGRAMS 3-1. BLOCK DIAGRAM SW101 (2/2) FILTER HPF OFF PRE AMP INPUT L (MONO) CNJ301 (4/4) CN303 (REAR) L REAR HIGH LEVEL INPUT R PRE AMP INPUT R CNJ301 (3/4) 6 5 7 IC101 (2/2) 3 1 IC202 (1/2) H.P.F RV101 (2/4) FILTER 6 L.P.F RV101 (4/4) FILTER 7 IC202 (2/2) 6 L.P.F 2 7 IC203 (2/2) 3 1 IC203 (1/2) RV102 LEVEL SW101 (2/2) FILTER HPF OFF PRE AMP INPUT L (MONO) CNJ301 (2/4) CN302 L FRONT HIGH LEVEL INPUT R PRE AMP INPUT R CNJ301 (1/4) 3 2 1 IC101 (1/2) 3 1 IC102(1/2) +B OP AMP SW501 TEST TONE 3 1 2 IC501 (2/2) 7 OP AMP 6 5 IC501 (1/2) D906 OFF SET H.P.F RV101 (1/4) FILTER 6 L.P.F RV101 (3/4) FILTER 7 IC102 (2/2) 6 L.P.F 3 7 IC103 (2/2) 2 1 IC103 (1/2) RV102 LEVEL 6 5 7 IC101 (2/2) 3 1 IC202 (1/2) LPF H.P.F RV101 (2/4) FILTER 6 L.P.F RV101 (4/4) FILTER 7 IC202 (2/2) 6 L.P.F 3 7 IC203 (2/2) 2 1 IC203 (1/2) RV102 LEVEL SW101 (1/2) FILTER HPF OFF LPF FILTER LINE SWITCH Q101 DIFFERENTIAL AMP Q103 DRIVE AMP Q104 DRIVE AMP Q108 POWER AMP Q110 FILTER LINE SWITCH Q201 DIFFERENTIAL AMP Q203 DRIVE AMP Q204 DRIVE AMP Q208 POWER AMP Q210 SW101 (2/2) FILTER HPF OFF LPF FILTER DIFFERENTIAL AMP Q263 DRIVE AMP Q204 DRIVE AMP Q204 DRIVE AMP Q204 6 5 7 IC101 (2/2) 3 1 IC202 (1/2) LPF H.P.F RV101 (2/4) FILTER 6 L.P.F RV101 (4/4) FILTER 7 IC202 (2/2) 6 L.P.F 2 7 IC203 (2/2) 3 1 IC203 (1/2) RV102 LEVEL FILTER DIFFERENTIAL AMP Q263 DRIVE AMP Q204 DRIVE AMP Q204 DRIVE AMP Q204 XM-440EX/440NX CN904 REAR SPEAKER OUT DRIVE AMP Q204 L DIFFERENTIAL AMP Q263 DRIVE AMP Q204 DRIVE AMP Q204 DRIVE AMP Q204 DIFFERENTIAL AMP Q202 L+R MONO R DRIVE AMP Q204 CN903 FRONT SPEAKER OUT BIAS Q206,207 L DIFFERENTIAL AMP Q202 DR