Service Manual
Page 1
...after sales service only. This document has been published to change without notice. Illustration: SD-EX100 Illustration: SD-EX101 SD-EX100 SD-EX101 SERVICE MANUAL No. MODEL SD-EX101 SD-EX101 1-Bit Digital Audio System consisting of SD-EX101 (main unit) and CP-EX101 (speaker system). • In the interests of SD-EX100 (main unit) and CP-EX100 (speaker system). CONTENTS Page SPECIFICATIONS ...2 NAMES... PICKUP LENS CLEANING ...61 TROUBLESHOOTING ...61 FUNCTION TABLE OF IC ...66 CONNECTION OF EXTENSION CABLE ...79 FL DISPLAY ...84 PARTS GUIDE/EXPLODED VIEW SHARP CORPORATION - 1 -
...after sales service only. This document has been published to change without notice. Illustration: SD-EX100 Illustration: SD-EX101 SD-EX100 SD-EX101 SERVICE MANUAL No. MODEL SD-EX101 SD-EX101 1-Bit Digital Audio System consisting of SD-EX101 (main unit) and CP-EX101 (speaker system). • In the interests of SD-EX100 (main unit) and CP-EX100 (speaker system). CONTENTS Page SPECIFICATIONS ...2 NAMES... PICKUP LENS CLEANING ...61 TROUBLESHOOTING ...61 FUNCTION TABLE OF IC ...66 CONNECTION OF EXTENSION CABLE ...79 FL DISPLAY ...84 PARTS GUIDE/EXPLODED VIEW SHARP CORPORATION - 1 -
Service Manual
Page 13
Place the unit upside down and remove the CD. (A1)x1 How to move the tray manually (See Fig. 13-3) Note) You can be blocked. The unlocked tray can manually move a lock lever (B1) x 1 downward using a thin screwdriver. 3. Rotate a worm gear (A1) x 1 downward when the CD slot is unchucked to bottom.) ...). The disc is closed. 2. Note) When a 12-cm disc is located on the right of the insertion slot when you face the unit. SD-EX100 SD-EX101 Inspection method of a 12-cm disc sensor The sensor is loaded, the sensor cannot be moved by removing the CD mechanism from the unit. 1. ...
Place the unit upside down and remove the CD. (A1)x1 How to move the tray manually (See Fig. 13-3) Note) You can be blocked. The unlocked tray can manually move a lock lever (B1) x 1 downward using a thin screwdriver. 3. Rotate a worm gear (A1) x 1 downward when the CD slot is unchucked to bottom.) ...). The disc is closed. 2. Note) When a 12-cm disc is located on the right of the insertion slot when you face the unit. SD-EX100 SD-EX101 Inspection method of a 12-cm disc sensor The sensor is loaded, the sensor cannot be moved by removing the CD mechanism from the unit. 1. ...
Service Manual
Page 16
... level on the positive side is determined by RA175, RA177 and RA179 and that on the output of 1-bit signal conversion, refer the technical manual for SM-SX100 already published. Low-pass filter circuit The 1-bit signal switched by output IC converts to 25 nsec by DA103 (DA102, DA101...resistance is divided to feed back the signal through a low pass filter comprised of LA100 (LA102, LA104, LA106) and CA142 (CA143, CA150, CA151). SD-EX100 SD-EX101 DESCRIPTION OF CIRCUIT FOR 1-BIT UNIT (SEE THE WIRING DIAGRAMS ON PAGES 42 AND 43.) Input Signals over certain level input from the AD conversion...
... level on the positive side is determined by RA175, RA177 and RA179 and that on the output of 1-bit signal conversion, refer the technical manual for SM-SX100 already published. Low-pass filter circuit The 1-bit signal switched by output IC converts to 25 nsec by DA103 (DA102, DA101...resistance is divided to feed back the signal through a low pass filter comprised of LA100 (LA102, LA104, LA106) and CA142 (CA143, CA150, CA151). SD-EX100 SD-EX101 DESCRIPTION OF CIRCUIT FOR 1-BIT UNIT (SEE THE WIRING DIAGRAMS ON PAGES 42 AND 43.) Input Signals over certain level input from the AD conversion...
Service Manual
Page 20
... mode processes its operation. Maximum test counts are 100,000. SD-EX100 SD-EX101 4. Disc Loading Mechanism Test: CD MECHA Test Purpose: An operational check and aging test of disc loading mechanism Functions: Manual control of a mechanism up /down motor Loading/eject control Aging...performs loading/TOC reading/ejection. Test mode initial display "IX***V****" [CD STOP/EJECT] Mode select display "MECHA " [ERASE/BAND] ([BAND]) Mechanism test manual control mode "MECHA : " [Mode] [Mode] Aging mode w/o TOC reading "L/E N000000" [CD PLAY] [Mode] Aging mode with TOC reading Aging...
... mode processes its operation. Maximum test counts are 100,000. SD-EX100 SD-EX101 4. Disc Loading Mechanism Test: CD MECHA Test Purpose: An operational check and aging test of disc loading mechanism Functions: Manual control of a mechanism up /down motor Loading/eject control Aging...performs loading/TOC reading/ejection. Test mode initial display "IX***V****" [CD STOP/EJECT] Mode select display "MECHA " [ERASE/BAND] ([BAND]) Mechanism test manual control mode "MECHA : " [Mode] [Mode] Aging mode w/o TOC reading "L/E N000000" [CD PLAY] [Mode] Aging mode with TOC reading Aging...
Service Manual
Page 21
... error occurs. Loading/eject : Displayed only during CD function. Relevant operations The following displays are used to distinguish between modes. SD-EX100 SD-EX101 Buttons to push ON/STAND-BY VOLUME UP VOLUME DOWN SKIP UP SKIP DOWN FUNCTION CD PLAY CD STOP/EJECT TUNER Main Remote... ends the test mode, and returns to the closed position. Once Opens the tray at a constant speed when manually controlled. Once Closes the tray at a constant speed when manually controlled. Continuously Single press: the tray moves to the regular power off . Once Opens the tray at a ...
... error occurs. Loading/eject : Displayed only during CD function. Relevant operations The following displays are used to distinguish between modes. SD-EX100 SD-EX101 Buttons to push ON/STAND-BY VOLUME UP VOLUME DOWN SKIP UP SKIP DOWN FUNCTION CD PLAY CD STOP/EJECT TUNER Main Remote... ends the test mode, and returns to the closed position. Once Opens the tray at a constant speed when manually controlled. Once Closes the tray at a constant speed when manually controlled. Continuously Single press: the tray moves to the regular power off . Once Opens the tray at a ...
Service Manual
Page 22
SD-EX100 SD-EX101 Item Manual control mode Type Supplementary display 1 2 Character display 345 67 8 9 10 11 Function ME CHA ∗ : Remarks Opening the tray at a constant speed Operating ME CHA > : ...
SD-EX100 SD-EX101 Item Manual control mode Type Supplementary display 1 2 Character display 345 67 8 9 10 11 Function ME CHA ∗ : Remarks Opening the tray at a constant speed Operating ME CHA > : ...
Service Manual
Page 92
... No. Battery,SUM-4 (Not Replacement Item) AS AM Loop Antenna BB Remote Control AD Registration Card AK Operation Manual AD FM Antenna AW Speaker Wire AM Leg Cushion,Speaker [SD-EX100] AN Leg Cushion,Speaker [SD-EX101] AK Quick Guide P.W.B. AB Spacer,Sensor Shield Case,A,D/A Converter Shield Case,B,D/A Converter AB Holder,Fuse AA Nylon...
... No. Battery,SUM-4 (Not Replacement Item) AS AM Loop Antenna BB Remote Control AD Registration Card AK Operation Manual AD FM Antenna AW Speaker Wire AM Leg Cushion,Speaker [SD-EX100] AN Leg Cushion,Speaker [SD-EX101] AK Quick Guide P.W.B. AB Spacer,Sensor Shield Case,A,D/A Converter Shield Case,B,D/A Converter AB Holder,Fuse AA Nylon...
Service Manual
Page 98
... Remote Control Registration Card CABINET R SPEAKER FRONT Quick Guide Operation Manual Battery Pad,Spacer SPAKZ0897AWZZ : Not Replacement Item Packing Case SPAKC1495AWZZ [SD-EX100] SPAKC1501AWZZ [SD-EX101] Label,Bar Code TLABR1271AWZZ [SD-EX100] TLABR1287AWZZ [SD-EX101] - 13 - ONLY) Setting position of switches and knobs CD Lid CLOSE SPEAKER SD-EX100 Leg Cushion,Speaker Polyethylene Bag,Speaker 92L8500045401 Packing Add...
... Remote Control Registration Card CABINET R SPEAKER FRONT Quick Guide Operation Manual Battery Pad,Spacer SPAKZ0897AWZZ : Not Replacement Item Packing Case SPAKC1495AWZZ [SD-EX100] SPAKC1501AWZZ [SD-EX101] Label,Bar Code TLABR1271AWZZ [SD-EX100] TLABR1287AWZZ [SD-EX101] - 13 - ONLY) Setting position of switches and knobs CD Lid CLOSE SPEAKER SD-EX100 Leg Cushion,Speaker Polyethylene Bag,Speaker 92L8500045401 Packing Add...