Sharp CD-C4400 Series Technical Manual Download Page 1 | Manualshive

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Summary of Contents for CD-C4400 Series

Page 1: ...1 BASIC CONSTRUCTION 2 3 2 RELATION OF THE MECHANICAL OPERATION OF THE MAIN GEAR AND THE TRAY AND THE ELECTRIC CONTROL 4 3 TIMING CHART FOR TRAY MOVEMENT 5 6 4 TIMING CHART OF ELECTRIC SIGNALS FOR TRAY MOVEMENT 7 5 THE TURNTABLE MOVEMENT IS EXPLAINED AS FOLLOWS 8 10 6 SUPPLEMENT 11 Service Headquarters Sharp Plaza Mahwah New Jersey 07430 2135 ...

Page 2: ... screen can be changed with the tray closed or at the main gear position corresponding to the tray position where the CD mechanism is moved up down As a result the LEDlight of the photo sensors PH1and PH2can be shutor passedto changeoutput of PH1and PH2 high and low The tray movement is controlled by changing this signal The signals PHi and PH2 change depending on the height of peripheral screen a...

Page 3: ...253 f S09 3 3 613 x2 ...

Page 4: ...main gear will change according to the CD movement mode The Table 3 below shows the above mentioned movement The CD stop condition is main in the actual use of the CD changer Figure 5 1 to 5 6 and 6 1 to 6 6 shows a series of process to close the opening tray with the CD mechanism down and Fig 7 the Timing Chart of Electric Signals The main gear to slide the tray is of rack pinions Double pinion g...

Page 5: ...rt the tray is locked in the close state Fig 5 3 The main gear has rotatedfurther in comparisonwith the condition shown in Fig 5 2 Fig 5 4 When the main gear rotatesto this position the rack gear of the tray and the pinion gear of the main gear are disconnected Thereafterthe tray is moved the tray lock pin Fig 5 5 The tray is completelyclosed at this position When the Close is ON MTR1 will stop un...

Page 6: ...sor PH2 becomes low level MTR1 stops At this position CD stops Disc chucking has been completed to wait for CD Play 6 4 At the pinion gear with smaller diameter set in the main gear starts engaging with the rack gear on the right side of the tray Then the tray starts opening The Close is level 6 5 At this position the tray lock pin becomes free The main gear and the tray rack gear engage to open t...

Page 7: ... B I I 12 Tray Opening completed Tray Opening started D B B I Ilrm li I I I I B D I II II I D I B D D I I I I 10 I I 5 6 8 9 t R iI R I DR I I I I I I D 11 I I I I 2 CLOSE 47 44 Pin 48 Mechanism Down 1 7 ...

Page 8: ...rclockwise rotation slowing down and stop of the turntable rotary motor cnaneer mechanism nlr1tr F 1 detect the disc The position is detected in case that the memory disappeared because of service interruption etc in the initial state and in case of starting movement after ERROR To detectthe turntable position bythe input of PINNO 43 DISC TBl SW The disc table is rotated clockwise NO 42 DISC CHG M...

Page 9: ... clockwise rotation 1 in case of counterclockwise rotation Clockwise 1 7 2 7 3 1 2 Counterclockwise 1 3 2 1 3 a Whenchangingtheturntableposition the rotatingdirection is based on the Table 9 below 1 2 3 1 Counterclockwire Clockwire 2 Clockwire Counterclockwire 3 Counterclockwire Clockwire t DISC address moved b Output of microcomputer in case of clockwise counterclockwise rotation Present DISC add...

Page 10: ...ed For counterclockwise rotation DISC CHG MTR 41 is set at L and DISC CHG MTR 42PIN at for 10 msec simultaneously As a result the turntable is stopped In the cases a b and c below DISC CHG 42PIN and DISC CHG 41 are et at to ERROR a Input of DISC TBL SW 43PIN does not change within 1 to 6 seconds after the turntable starts rotating b DISC TBl is not set approx 5 seconds after detecting the STOP con...

Page 11: ... moved to the position where 46PIN OPEN MTR is set at H and CLOSE SWat H theturntable is rotated After the address detection the Mecha UP state is attained b In case of 44PIN MECHA UP SW H and 47PIN CLOSE SW H 45PIN CLOSE MTR is set at and the tray is closed Simultaneously theturntable is rotated to detect theaddress When the CLOSE SW reaches L the tray motor is stopped temporarilyto detectthe add...

Page 12: ...Writer and Editor Reliabilitv Control Center of communtcanon Audio svstems I A9410 4394NS HA M Printed inJapan InJapan gedruckt lmprerne au Japan SG SK SA SZ SC SL EX ...

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