Panasonic CR14 Service Manual Download Page 26 | Manualshive

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10.2. Disassembling of Mechanism

Unit in “UD” Position

Note:

Mechanism unit (CR14) reliability test can be carried out

in complete unit or using the Reliability P.C.B (Refer to section
8).

10.2.1. Disassembly of UD Base Unit

Step 1: Press both claws at the sides as arrows shown and
push the top cover backwards.

Step 2: Remove the top cover as arrows shown to release the
tray stoppers.

Step 3: Use a flathead screwdriver to remove OC spring.

Note:

Ensure the OC spring is handle properly and keep it in a

safe place.

Step 4: Remove OC gear assy as arrows shown.

Note:

Ensure the OC gear assy is handle properly and keep it

in a safe place.

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CR14

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Summary of Contents for CR14

Page 1: ...ns Description 11 8 CR14 Mechanism Reliability 12 2008 Matsushita Electric Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law CR14 9 Before Disassembly 16 10 Disassembling and Assembling Procedure 24 11 Disassembly Flow 59 12 Notes of Schematic Diagram 61 13 Schematic Diagram 62 14 Printed Circuit Board 63 15 Exploded Views 65 16 Replacement Parts Lis...

Page 2: ...1 Mechanism Overview 2 CR14 ...

Page 3: ...sembly 3 Use only a grounded tip soldering iron to solder or unsolder ES devices 4 Use only an anti static solder removal device Some solder removal devices not classified as anti static ESD protected can generate electrical charge sufficient to damage ES devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ES devices 6 Do not remove a replaceme...

Page 4: ...he focus lens using optical instruments 4 Recommend not to look at pickup lens for a long time ACHTUNG Dieses Produkt enthält eine Laserdiode Im eingeschalteten Zustand wird unsichtbare Laserstrahlung von der Lasereinheitadgestrahit Wellenlänge 655 nm DVD 785 nm CD Maximale Strahlungsleistung der Lasereinhelt 100 µW VDE Die strahlungan der Lasereinheit ist ungefährlich wenn folgende Punkte beachte...

Page 5: ...r work using Lead Free Solder PbF The lead free solder has to be used when repairing the equipment for which the lead free solder is used Definition The letter of PbF is printed on the PCB using the lead free solder To put lead free solder it should be well molten and mixed with the original lead free solder Remove the remaining lead free solder on the PCB cleanly for soldering of the new IC Since...

Page 6: ... the flexible cable of the optical pickup unit removed should be short circuited with a short pin or a clip 3 The flexible cable may be cut off if an excessive force is applied to it Use caution when handling the flexible cable 4 The antistatic FPC is connected to the new optical pickup unit After replacing the optical pickup unit and connecting the flexible cable cut off the antistatic FPC 5 2 Gr...

Page 7: ...7 CR14 ...

Page 8: ...so turns clockwise 2 The relay gear turns counter clockwise 3 The change gear turns clockwise 4 The cam gear turns counter clockwise 5 The OC drive gear turns clockwise driven OC gear assy 6 Trigger slide assy releases tray lock lever 7 Movement of OC gear assy releases all trays The operation of trays closed is the opposite of that for opening trays Discs exchange is done during closing operation...

Page 9: ...wise 2 The relay gear turns counter clockwise 3 The change gear turns clockwise 4 The cam gear turns counter clockwise 5 The UD drive gear turns counter clockwise engages UD cam L guide drives UD connection turns counter clockwise UD cam R guide is driven to move UD base unit down The operation of the UD base unit up is the opposite of that for the UD base unit down 9 CR14 ...

Page 10: ...e rotation is transmitted via the belt the pulley gear also turns cloc 2 The relay gear turns counter clockwise 3 The change gear turns clockwise 4 The cam gear turns counter clockwise 5 Turn the TRV motor clockwise the tray will load into play position until OPU at the centre position 10 CR14 ...

Page 11: ...This section is not available at the time of issue 7 Mechanism Operations Description 11 CR14 ...

Page 12: ...ation by using the Reliability P C B before installation into the main unit 8 1 Setup Connection Below diagram shows the set up necessary to carry out the reliability of mechanism Equipments required for the set up preparation Power supply Reliability P C B RFKZCR14 12 CR14 ...

Page 13: ...8 2 Jig s Flow Diagram 13 CR14 ...

Page 14: ...8 2 1 Flow operation 14 CR14 ...

Page 15: ...15 CR14 ...

Page 16: ...tton to enter TEST mode Press 2 button on main unit to enter Service Mode 2 9 2 Using Manually Preparation of service jig This unit has two gears which are used for checking items open close of tray up down operation of traverse unit by manually when servicing For gear information that is described on the items for disassembly procedures For preparation of gear for servicing perform the procedures...

Page 17: ...The missing tray is engaged in the play position Step 2 Press both claws at the sides as arrows shown and push the top cover backwards Step 3 Remove the top cover as arrows shown to release the tray stoppers Step 4 Insert service jig into the loading hole rotate the gear counter clockwise 17 CR14 ...

Page 18: ...r to Load upload position Step 6 Insert service jig into the traverse hole rotate the gear clockwise Step 7 Rotate the gear to Mode position Step 8 Insert service jig into the loading hole rotate the gear clockwise 18 CR14 ...

Page 19: ...ear to Up down position Step 10 Insert service jig into the traverse hole rotate the gear clockwise Step 11 Rotate the gear to Load upload position Step 12 Insert service jig into the loading hole rotate the gear 19 CR14 ...

Page 20: ... jig into the traverse hole rotate the gear counter clockwise Step 14 Rotate the gear to Mode position Step 15 Attach the top cover to the tray stoppers Step 16 Slide the top cover as arrow shown Note Ensure both claws are catched Refer to Section 10 2 for disassembling of Mechanism unit 20 CR14 ...

Page 21: ...ess both claws at the sides as arrows shown and push the top cover backwards Step 2 Remove the top cover as arrows shown to release the tray stoppers Step 3 Insert service jig into the traverse hole Step 4 Rotate the gear to Mode position 21 CR14 ...

Page 22: ...ice jig into the loading hole Step 6 Rotate the gear to Load Upload position Step 7 Insert service jig into the traverse hole rotate the gear counter clockwise Step 8 The tray gradually move to the play position 22 CR14 ...

Page 23: ...Step 9 Rotate the traverse hole continuously until the swing gear from position A to B Refer to Section 10 1 for disassembling of Traverse unit assy 23 CR14 ...

Page 24: ...h the guide as arrows shown to open both grooves Step 2 Detach the FFC wires from the adhesive areas Caution Do not pull the FFC wire to remove the traverse unit assy as it may cause damage to the slot Step 3 Press down the traverse unit assy Step 4 Remove the traverse unit assy as arrow shown 10 Disassembling and Assembling Procedure 24 CR14 ...

Page 25: ...assy into the guides as arrow shown Note Ensure the bosses fix exactly onto the guides Step 2 Place down the traverse unit assy Step 3 Fix the FFC wires by using the adhesive tapes Step 4 Release the catch and push the guide as arrows shown to close both grooves 25 CR14 ...

Page 26: ...t Step 1 Press both claws at the sides as arrows shown and push the top cover backwards Step 2 Remove the top cover as arrows shown to release the tray stoppers Step 3 Use a flathead screwdriver to remove OC spring Note Ensure the OC spring is handle properly and keep it in a safe place Step 4 Remove OC gear assy as arrows shown Note Ensure the OC gear assy is handle properly and keep it in a safe...

Page 27: ...and push out the tray lock lever as arrows shown Step 6 Push the trays towards the front as arrow shown Step 7 Push the catch and slide the UD cam R guide as arrows shown Step 8 Turn over the unit and detach the FFC wires from the adhesive areas 27 CR14 ...

Page 28: ... the UD base unit as arrow shown 10 2 2 Disassembly of Trays Follow Step 1 to Step 11 in item 10 2 1 Step 1 Push the trays as arrow shown until they stop bottom picture Step 2 Tilt the trays towards one side as arrow shown Step 3 Lift and remove the trays as arrows shown 28 CR14 ...

Page 29: ... Step 1 to Step 11 in item 10 2 1 Follow Step 1 to Step 3 in item 10 2 2 Disassembly of Pitch Plate Step 1 Remove 1 screw Step 2 Release the catches Step 3 Release guide Step 4 Remove the pitch plate as arrow shown Disassembly of OC Drive Gear 29 CR14 ...

Page 30: ...ulley Gear Step 6 Remove belt Step 7 Remove pulley gear Disassembly of Relay Gear and UD Drive Gear Step 8 Remove relay gear and UD drive gear Disassembly of Cam Gear Step 9 Use a flathead screwdriver to push the catch inwards and remove cam gear as arrows shown 30 CR14 ...

Page 31: ...lever and change gear together Illustration of the gears Disassembly of Trigger Link Lever Step 11 Slide and hold the trigger link lever to the position as picture shown Step 12 Release the trigger link spring Step 13 Remove the trigger link lever Disassembly of Slider Arm Step 14 Remove slider arm as arrows shown 31 CR14 ...

Page 32: ... of the mecha base assy and remove UD cam lock as arrows shown Disassembly of UD Connection Step 16 Push the catch and slide the UD cam R guide as arrows shown Step 17 Push up the UD connection from the centre and detach it from the boss as arrows shown 32 CR14 ...

Page 33: ... arrow shown Disassembly of UD Cam R Guide Step 20 Ensure both guides align with the UD cam R guide s grooves and remove it as arrows shown Disassembly of Trigger Slider Assy Step 21 Use a flathead screwdriver to release catch and slide trigger slider assy to the end Step 22 Ensure all guides align with the trigger slider assy s grooves and remove it 33 CR14 ...

Page 34: ...r Step 24 Use a flathead screwdriver to push up the open switch lever and remove it Disassembly of All Trigger Lever Step 25 Use a flathead screwdriver push the U shape and push out the all trigger lever from the bottom Disassembly of Mecha P C B and Sensor P C B Step 26 Remove 2 screws Step 27 Release all catches to remove Mecha P C B and Sensor P C B 34 CR14 ...

Page 35: ...screwdriver push the catch and remove clamp plate assy as arrows shown Note Be careful of the other side catches when removing the clamp plate assy Disassembly of Change Arm Step 3 Slide the TRV slide plate assy until the change arm at the position shown and remove the change arm as arrow shown Disassembly of Load Lever Step 4 Continue slide the TRV slide plate assy until the groove at the positio...

Page 36: ...he swing gear is disengaged from the play pinion before disassembly Caution If it is engaged the following steps are necessary Step 7 Insert service jig into the traverse hole rotate the gear counter clockwise ensure the swing gear is disengaged 36 CR14 ...

Page 37: ...ows shown to open the grooves Step 9 Remove traverse unit assy as arrows shown Disassembly of Traverse Unit Step 10 Slide the switch rod and remove it as arrows shown Step 11 Release both catches and push down the fixed pin as arrows shown 37 CR14 ...

Page 38: ... pins from the top of the traverse unit assy Step 13 Tilt and pull the traverse unit as arrow shown Ensure the boss out of the middle chassis s guide Step 14 Remove the traverse unit Step 15 Remove 4 floating rubbers 38 CR14 ...

Page 39: ... shown Illustration of the Play Pinion Disassembly of Switch Slider Step 17 Push switch slider as direction shown until it stop and remove it Disassembly of TRV Slide Plate Assy Step 18 Push the guide as arrow shown Step 19 Release the catch and push the guide as arrows shown Step 20 Remove TRV slide plate assy 39 CR14 ...

Page 40: ...Step 21 Slide the TRV slide plate as arrow shown then detach the TRV slide plate from the sub slide plate Disassembly of Load Plate Step 22 Position load plate as picture shown to remove it 40 CR14 ...

Page 41: ...e Assembly of TRV Slide Plate Assy Step 2 Attach the TRV slide plate to the sub slide plate Step 3 Slide the TRV slide plate until it stop Step 4 Slide the load plate until it stop Step 5 Install TRV slide plate assy align to groove and guide of the UD base Step 6 Ensure the boss seated properly onto the groove 41 CR14 ...

Page 42: ...oad lever as shown make sure the catch is fully catched Assembly of Switch Slider Step 10 Push the guide until it stop Step 11 Fix the switch slider to the catches Note Ensure the switch slider spring is fixed at the back of the switch slider Step 12 Press down the switch slider and make sure it is fully catched onto the UD base 42 CR14 ...

Page 43: ...play pinion and press down Assembly of Traverse Unit Step 14 Fix 4 floating rubbers Step 15 Tilt and slot the Traverse unit onto the middle chassis Note Ensure the boss fix exactly under the middle chassis s guide Step 16 Fix 2 fixed pins 43 CR14 ...

Page 44: ...ve Assembly of Traverse Unit Assy Step 18 Slide TRV slide plate assy to the end Step 19 Turn over the UD base release catch and push the guide of the TRV slide plate as arrows shown Step 20 Ensure both grooves are open Step 21 Ensure the OPU sub rack is below the guide line 44 CR14 ...

Page 45: ...traverse unit assy in Assembly of Change arm Step 24 Insert service jig into the traverse hole rotate the gear clockwise Note Ensure the groove of the TRV slide plate assy stop at the position shown Step 25 Install the change arm to the groove of the TRV slide plate assy Step 26 Push the TRV slide plate assy as arrow shown to lock the change arm 45 CR14 ...

Page 46: ...sy align to both guides make sure the catch is fully catched Assembly of Tray Stoppers Step 28 Fix the tray stoppers 10 3 2 Assembly of Mecha Base Unit Parts Assembly of Mecha P C B and Sensor P C B Step 1 Align the component of Mecha P C B to the groove 46 CR14 ...

Page 47: ...nsor P C B then fix 2 screws Assembly of Open Switch Lever Step 3 Install open SW lever Assembly of All Trigger Lever Step 4 Ensure all trigger lever s boss seated properly onto the groove Step 5 Ensure the U shape of the all trigger lever snap to the boss 47 CR14 ...

Page 48: ...ger lever Step 7 Ensure trigger lever s ribs seated properly onto the grooves Caution Do not exert force as it may cause damage to the trigger lever Step 8 Install trigger slider assy make sure the grooves fix exactly onto the guides Step 9 Slide the trigger slider assy 48 CR14 ...

Page 49: ...sert the boss of the UD cam R guide onto mecha base assy s groove Step 11 Ensure UD cam R guide seated properly onto the guides and slide as arrow shown Assembly of UD Cam L Guide Step 12 Install UD cam L guide align with all guides 49 CR14 ...

Page 50: ...e UD cam L guide until it stop as arrows shown Step 14 Push the catch and slide the UD cam R guide as arrows shown Step 15 Slot the UD connection onto the boss L and turn to the direction as arrow shown to slot onto boss R to install it 50 CR14 ...

Page 51: ...the UD cam lock as arrow shown make sure the UD came lock is underneath both guides Assembly of Slider Arm Step 18 Install the slider arm Assembly of Trigger Link Lever Step 19 Slide and hold the all trigger lever as arrow shown followed by Install the trigger link lever 51 CR14 ...

Page 52: ...d Change Gear Step 21 Slot the change gear onto the change lever Step 22 Align change gear to the shaft and snap both bosses of the change lever to the hooks Assembly of Cam Gear Step 23 Adjust both parts to align with the underneath holes Step 24 Align the holes and press down until it click 52 CR14 ...

Page 53: ...rive gear respectively Assembly of Pulley Gear and Belt Step 26 Install pulley gear Step 27 Install belt Assembly of OC Drive Gear Step 28 Install OC drive gear Assembly of Pitch Plate Step 29 Install the pitch plate ensure all the catches hooked onto the mecha base assy 53 CR14 ...

Page 54: ...he guide is underneath the mecha base assy Step 31 Fix 1 screw 10 3 3 Assembly of Trays Step 1 Slot and tilt the trays as arrows shown Step 2 Place down the trays and position underneath their respective guides 54 CR14 ...

Page 55: ...h and slide the UD cam R guide as arrows shown Step 2 Slot the UD base unit into the grooves Step 3 Ensure the change arm slot onto the groove then place down the UD base unit into the open grooves Step 4 Slide the UD cam R guide as arrow shown to lock in the UD base unit 55 CR14 ...

Page 56: ...Step 5 Turn over the set and fix the FFC wires by using the adhesive tapes Step 6 Push in the trays Step 7 Install tray lock lever 56 CR14 ...

Page 57: ...Step 8 Install OC assy Step 9 Install OC spring 57 CR14 ...

Page 58: ...Step 10 Attach the top cover to the tray stoppers Step 11 Slide the top cover as arrow shown Note Ensure both claws are catched 58 CR14 ...

Page 59: ...er assy 30 Change arm 31 Load lever 29 Clamp plate assy 32 Switch rod 8 Pitch plate 7 Trays 9 OC drive gear 13 Relay gear 16 Change gear 17 Trigger link lever 19 Slider arm 20 UD cam lock 18 Trigger link spring 26 All trigger lever 27 Mecha P C B Sensor P C B 28 Mecha base assy 25 Open SW lever 34 Floating rubber 35 Traverse unit 36 Middle chassis 33 Fixed pin 38 Switch slider 39 TRV slide plate a...

Page 60: ...CR14 60 ...

Page 61: ...which have purposes of fire retardant resistors high quality sound capacitors low noise resistors etc are used When replacing any of components be sure to use only manufacturer s specified parts shown in the parts list Resistor Unit of resistance is OHM Ω K 1 000 000 Capacitor Unit of resistance is µF unless otherwise noted F Farad pF Pico Farad For Indication only Voltage and Signal lines B Signa...

Page 62: ...sor Circuit 0 1 2 34 0 5 5 0 6 7 8 9 0 1 0 0 0 9A A B 1 0B 1 A A B 0 0 0 6 9 8 7 8 1 1 A 51 B 51 A 1 51 1 0 1 1 C 4 0 1 1 0 C 4 0 1 1 0 D 51 0 1 E C 4 0 1 1 0 D1 0 0 1 E 3 F 51 0 G H D 1 0 1 E 1 0 1 1 G C 4 0 1 1 0 7 C 4 0 1 1 0 D 0 1 E CR14 62 ...

Page 63: ... A SENSOR P C B REP4321A MECHA P C B REP4321A 1 9 1 2 11 10 2 3 4 5 6 7 8 5 3 4 7 6 9 8 3 4 1 2 1 2 1 6 2 3 4 5 2 3 4 5 1 6 IC1 CN2 C2 C1 R1 R2 Q5 Q2 Q3 W1 W2 W3 W4 Q1 SW3 M3 Q4 J1 J1 3262A 3262A 3262A 3262A TOP SW LOADING TO POWER SUPPLY UNIT FOR INDICATION ONLY CR14 MECHA SENSOR P C B PbF PbF CR14 63 ...

Page 64: ...CR14 64 ...

Page 65: ...15 Exploded Views 15 1 Cabinet Parts Location and Grease Drysurf Location CR14 65 ...

Page 66: ...CR14 66 ...

Page 67: ...UNIT M RTL INTEGRATED CIRCUIT IC1 C0GAG0000007 IC MOTOR DRIVER M PHOTO INTERRUPTERS Q1 B3NAA0000120 PHOTO INTERRUPTER M Q2 B3NAA0000120 PHOTO INTERRUPTER M Q3 B3NAA0000120 PHOTO INTERRUPTER M Q4 B3NAA0000120 PHOTO INTERRUPTER M Q5 B3NAA0000120 PHOTO INTERRUPTER M CONNECTOR CN2 K1MN11BA0004 11P CONNECTOR M SWITCH SW3 K0L1BA000134 TOP SWITCH M WIRE J1 RWJ1106089XX 6P WIRE M CAPACITORS C1 F1D1E103A00...

Page 68: ...SA PT954P K 2 denotes models applied as below SA VK470EE GC GCS GS GCT K SA VK670EE GC GCS GS GCT K SA VK870EE GC GCS GS K 68 CR14 FLE0801 ...

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