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Panasonic CR14 Service Manual

Mechanism unit
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CONTENTS
CR14
Page
2
3
4
5
6
8
11
12
© 2008 Matsushita Electric Industrial Co. Ltd.. All
rights
distribution is a violation of law.
ORDER NO. MD0801004CE
Mechanism Unit
reserved.
Unauthorized
copying
A6
Page
16
24
59
61
62
63
65
67
and

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Summary of Contents for Panasonic CR14

  • Page 1: Table Of Contents

    5 Handling Precautions for Traverse Unit 14 Printed Circuit Board 6 Mechanism Drive Unit 15 Exploded Views 7 Mechanism Operations Description 16 Replacement Parts List 8 CR14 Mechanism Reliability © 2008 Matsushita Electric Industrial Co. Ltd.. All rights reserved. Unauthorized copying...

  • Page 2: Mechanism Overview

    CR14 1 Mechanism Overview...

  • Page 3: Prevention Of Electrostatic Discharge (Esd) To Electrostatically Sensitive (Es) Devices

    CR14 2 Prevention of Electrostatic Discharge (ESD) to Electrostatically Sensitive (ES) Devices Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and semiconductor "chip"...

  • Page 4: Precaution Of Laser Diode

    CR14 3 Precaution of Laser Diode CAUTION : This product utilizes a laser diode with the unit turned "on", invisible laser radiation is emitted from the pickup lens. Wavelength: 655 nm (DVD)/785 nm (CD) Maximum output radiation power from pickup: 100 µW/VDE Laser radiation from the pickup unit is safety level, but be sure the followings: 1.

  • Page 5: About Lead Free Solder (Pbf)

    CR14 4 About Lead Free Solder (PbF) 4.1. Service caution based on legal restrictions 4.1.1. General description about Lead Free Solder (PbF) The lead free solder has been used in the mounting process of all electrical components on the printed circuit boards used for this equipment in considering the globally environmental conservation.

  • Page 6: Handling Precautions For Traverse Unit

    CR14 5 Handling Precautions for Traverse Unit The laser diode in the optical pickup unit may break down due to static electricity of clothes or human body. Special care must be taken avoid caution to electrostatic breakdown when servicing and handling the laser diode in the traverse unit.
  • Page 7 CR14...

  • Page 8: Mechanism Drive Unit

    CR14 6 Mechanism Drive Unit 6.1. Description of trays open/close and discs exchange operations 1. The loading motor turns in the clockwise direction and the rotation is transmitted via the belt, the pulley gear also turns clockwise. 2. The relay gear turns counter clockwise.
  • Page 9 CR14 6.2. Description of tray selection operation 1. The loading motor turns in the clockwise direction and the rotation is transmitted via the belt, the pulley gear also turns clockwise. 2. The relay gear turns counter clockwise. 3. The change gear turns clockwise.
  • Page 10 CR14 6.3. Description of play operation 1. The loading motor turns in the clockwise direction and the 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.

  • Page 11: Mechanism Operations Description

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

  • Page 12: Cr14 Mechanism Reliability

    CR14 8 CR14 Mechanism Reliability Purpose: To test the CR14 mechanism unit operation 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.
  • Page 13 CR14 8.2. Jig’s Flow Diagram...
  • Page 14 CR14 8.2.1. Flow operation...
  • Page 15 CR14...

  • Page 16: Before Disassembly

    CR14 9 Before Disassembly 9.1. Using Service Modes (Main 9.2. Using Manually Unit) • Preparation of service jig - This unit has two gears which are used for checking items 9.1.1. In Service Mode 1 (open/close of tray, up/down operation of traverse unit by manually) when servicing.
  • Page 17 CR14 9.2.1. Manually set to “UD” position Step 3: Remove the top cover as arrows shown to release the tray stoppers. Step 1: Check any missing tray at the mechanism front. Caution: The missing tray is engaged in the play position.
  • Page 18 CR14 Step 5: Rotate the gear to “Load/upload” position. Step 7: Rotate the gear to “Mode” position. Step 6: Insert service jig into the traverse hole, rotate the gear Step 8: Insert service jig into the loading hole, rotate the gear clockwise.
  • Page 19 CR14 Step 11: Rotate the gear to “Load/upload” position. Step 9: Rotate the gear to “Up/down” position. Step 10: Insert service jig into the traverse hole, rotate the gear clockwise. Step 12: Insert service jig into the loading hole, rotate the gear...
  • Page 20 CR14 clockwise until both bosses positioned at the top of the UD cam R guide. Step 13: Insert service jig into the traverse hole, rotate the gear counter clockwise. Step 15: Attach the top cover to the tray stoppers. Step 16: Slide the top cover as arrow shown.
  • Page 21 CR14 9.2.2. Manually set to “PLAY” position Step 3: Insert service jig into the traverse hole. 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.
  • Page 22 CR14 Step 7: Insert service jig into the traverse hole, rotate the gear Step 5: Insert service jig into the loading hole. counter clockwise. Step 8: The tray gradually move to the play position. Step 6: Rotate the gear to “Load/Upload” position.
  • Page 23 CR14 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.)

  • Page 24: Disassembling And Assembling Procedure

    CR14 10 Disassembling and Assembling Procedure 10.1. Disassembling and assembling Traverse Unit Assy in play position 10.1.1. Disassembly of Traverse Unit Assy Step 1: Release the catch and push the guide as arrows shown to open both grooves. Step 3: Press down the traverse unit assy.
  • Page 25 CR14 10.1.2. Assembly of Traverse Unit Assy Step 4: Release the catch and push the guide as arrows shown to close both grooves. Step 1: Slot the traverse unit assy into the guides as arrow shown. Note: Ensure the bosses fix exactly onto the guides.
  • Page 26 CR14 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 10.2.1. Disassembly of UD Base Unit Step 3: Use a flathead screwdriver to remove OC spring.
  • Page 27 CR14 Step 7: Push the catch and slide the UD cam R guide as arrows Step 5: Use a flathead screwdriver slot into the gap and push shown. out the tray lock lever as arrows shown. Step 8: Turn over the unit and detach the FFC wires from the adhesive areas.
  • Page 28 CR14 10.2.2. Disassembly of Trays • Follow (Step 1) to (Step 11) in item 10.2.1. Step 9: Lift up the UD base unit. Step 10: Release the change arm. Step 1: Push the trays as arrow shown until they stop (bottom picture).
  • Page 29 CR14 10.2.3. Disassembly of Mecha Base Unit Parts • Follow (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.
  • Page 30 CR14 • Disassembly of Relay Gear and UD Drive Gear Step 5: Remove OC drive gear as arrow shown. Step 8: Remove relay gear and UD drive gear. • Disassembly of Belt and Pulley Gear • Disassembly of Cam Gear Step 6: Remove belt.
  • Page 31 CR14 • Disassembly of Change Lever and Change Gear • Disassembly of Trigger Link Lever Step 10: Release change lever’s bosses from the hooks and remove both change lever and change gear together. • Illustration of the gears Step 11: Slide and hold the trigger link lever to the position as picture shown.
  • Page 32 CR14 • Disassembly of UD Cam Lock • Disassembly of UD Connection Step 16: Push the catch and slide the UD cam R guide as arrows shown. Step 15: Release from the guides of the mecha base assy and remove UD cam lock as arrows shown.
  • Page 33 CR14 • Disassembly of UD Cam L Guide • Disassembly of Trigger Slider Assy Step 18: Slide UD cam L guide as arrows shown. Step 19: Ensure all guides align with the UD cam L guide’s grooves and remove it as arrow shown.
  • Page 34 CR14 • Disassembly of All Trigger Lever Step 23: Press down individual ribs to detach trigger lever. Caution: Do not exert force as it may cause damage to the trigger lever. • Disassembly of Open Switch Lever Step 25: Use a flathead screwdriver push the “U” shape and push out the all trigger lever from the bottom.
  • Page 35 CR14 • Disassembly of Change Arm 10.2.4. Disassembly of UD Base Unit Parts • Follow (Step 1) to (Step 11) in item 10.2.1. • Disassembly of Tray Stoppers Step 3: Slide the TRV slide plate assy until the change arm at the position shown and remove the change arm as arrow shown.
  • Page 36 CR14 • Disassembly of Traverse Unit Assy Step 6: Check if the swing gear is disengaged from the play pinion before disassembly. Step 7: Insert service jig into the traverse hole, rotate the gear counter clockwise, ensure the swing gear is disengaged.
  • Page 37 CR14 • Disassembly of Traverse Unit Step 10: Slide the switch rod and remove it as arrows shown. Step 8: Release catch and push the guide as arrows shown to open the grooves. Step 11: Release both catches and push down the fixed pin as arrows shown.
  • Page 38 CR14 Step 14: Remove the traverse unit. Step 12: Remove 2 fixed pins from the top of the traverse unit assy. Step 15: Remove 4 floating rubbers. Step 13: Tilt and pull the traverse unit as arrow shown. Ensure the boss out of the middle chassis’s guide.
  • Page 39 CR14 • Disassembly of Play Pinion • Disassembly of TRV Slide Plate Assy Step 18: Push the guide as arrow shown. Step 16: Use a flathead screwdriver to release the catch and push down play pinion as arrows shown. • Illustration of the Play Pinion •...
  • Page 40 CR14 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.
  • Page 41 CR14 10.3. Assembling of Mechanism Unit 10.3.1. Assembly of UD Base Unit Parts • Assembly of Load Plate Step 4: Slide the load plate until it stop. Step 1: Install load plate. • Assembly of TRV Slide Plate Assy Step 5: Install TRV slide plate assy align to groove and guide of the UD base.
  • Page 42 CR14 • Assembly of Load Lever • Assembly of Switch Slider Step 7: Push as arrow shown to ensure the boss seated on point (A). Step 10: Push the guide until it stop. Step 8: Ensure both bosses align. Step 9: Install load lever as shown, make sure the catch is fully catched.
  • Page 43 CR14 • Assembly of Play Pinion Step 13: Install the play pinion and press down. • Assembly of Traverse Unit Step 15: Tilt and slot the Traverse unit onto the middle chassis. Note: Ensure the boss fix exactly under the middle chassis’s guide.
  • Page 44 CR14 Step 17: Fix Switch rod, ensure the switch rod’s guide seat properly onto the groove. Step 19: Turn over the UD base, release catch and push the guide of the TRV slide plate as arrows shown. • Assembly of Traverse Unit Assy Step 20: Ensure both grooves are open.
  • Page 45 CR14 • 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 Step 22: Slot the traverse unit assy onto the UD base as arrow position shown.
  • Page 46 CR14 • Assembly of Clamp Plate Assy • 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 27: Fix the clamp plate assy align to both guides, make sure the catch is fully catched.
  • Page 47 CR14 • Assembly of All Trigger Lever Step 2: Ensure all catches are hooked to the Mecha P.C.B. and Sensor P.C.B. then fix 2 screws. • Assembly of Open Switch Lever Step 4: Ensure all trigger lever’s boss seated properly onto the groove.
  • Page 48 CR14 • Assembly of Trigger Slider Assy Step 8: Install trigger slider assy, make sure the grooves fix exactly onto the guides. Step 6: Combine both trigger slider and trigger lever. Step 7: Ensure trigger lever’s ribs seated properly onto the grooves.
  • Page 49 CR14 • Assembly of UD Cam R Guide • Assembly of UD Cam L Guide Step 12: Install UD cam L guide align with all guides. Step 10: Insert the boss of the UD cam R guide onto mecha base assy’s groove.
  • Page 50 CR14 • Assembly of UD Connection Step 13: Slide the 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...
  • Page 51 CR14 • Assembly of UD Cam Lock • Assembly of Slider Arm Step 18: Install the slider arm. • Assembly of Trigger Link Lever Step 16: Slot cam lock onto the grooves. Step 17: Move the UD cam lock as arrow shown, make sure the UD came lock is underneath both guides.
  • Page 52 CR14 Step 22: Align change gear to the shaft and snap both bosses of the change lever to the hooks. Step 20: Make sure the trigger link spring is hooked underneath • Assembly of Cam Gear the catch. • Assembly of Change Lever and Change Gear Step 21: Slot the change gear onto the change lever.
  • Page 53 CR14 • Assembly of Relay Gear and UD Drive Gear • Assembly of OC Drive Gear Step 25: Install relay gear and UD drive gear respectively. Step 28: Install OC drive gear. • Assembly of Pulley Gear and Belt • Assembly of Pitch Plate Step 26: Install pulley gear.
  • Page 54 CR14 10.3.3. Assembly of Trays Step 30: Ensure the guide is underneath the mecha base assy. Step 31: Fix 1 screw. Step 1: Slot and tilt the trays as arrows shown. Step 2: Place down the trays and position underneath their...
  • Page 55 CR14 Step 3: Push the trays out. Step 3: Ensure the change arm slot onto the groove then place 10.3.4. Assembly of UD Base Unit 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.
  • Page 56 CR14 Step 5: Turn over the set and fix the FFC wires by using the adhesive tapes. Step 7: Install tray lock lever. Step 6: Push in the trays.
  • Page 57 CR14 Step 9: Install OC spring. Step 8: Install OC assy.
  • Page 58 CR14 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.

  • Page 59: Disassembly Flow

    CR14 11 Disassembly Flow 2. OC spring 3. OC assy 4. Tray lock lever 5. UD base unit 6. Tray stoppers 7. Trays 8. Pitch plate 1. Top cover 9. OC drive gear 10. Belt 11. Pulley gear 12. UD drive gear 13.
  • Page 60 CR14...

  • Page 61: Notes Of Schematic Diagram

    CR14 12 Notes of Schematic Diagram (All schematic diagrams may be modified at any time with the development of new technology) Note : Top switch • Importance safety notice : Components identified mark have special characteristics important for safety. Furthermore, special parts which have purposes of fire- retardant (resistors), high-quality sound (capacitors), low- noise (resistors), etc.

  • Page 62: Schematic Diagram

    CR14 13 Schematic Diagram 13.1. Mecha Circuit & Sensor Circuit +$%#"&*'$!,'&-(&"!.!/ !"#$%&!$'($)'* 2!34!+'-0&5!5'0# $@-&-@@@@@@8 "1*1(!,('A#(!'$ ?>-0, "1,# < ,>-0, < *1!"&'0!+#* $'($)'* 51!B 51!( $51+# @>@/ %1"# 1?#0 /9A/@@ 4<0&&@@@@/=@ ?%1*1!'0*#(()?*#( D1?#0!+#0+1(E 4<0&&@@@@/=@ ?%1*1!'0*#(()?*#( D$51+#!+#0+1(E C< 4<0&&@@@@/=@ 4<0&&@@@@/=@ ?%1*1!'0*#(()?*#( ?%1*1!'0*#(()?*#( D),!+#0+1(E D%1"#!+#0+1(E...

  • Page 63: Printed Circuit Board

    CR14 14 Printed Circuit Board 14.1. Mecha P.C.B. & Sensor P.C.B. MECHA P.C.B. (REP4321A) SENSOR P.C.B. (REP4321A) (TOP SW) (LOADING) 3262A 3262A (TO POWER SUPPLY UNIT) 3262A 3262A CR14 * FOR INDICATION ONLY MECHA/ SENSOR P.C.B.
  • Page 64 CR14...

  • Page 65: Exploded Views

    CR14 15 Exploded Views 15.1. Cabinet Parts Location and Grease/Drysurf Location...
  • Page 66 CR14...

  • Page 67: Replacement Parts List

    CR14 16 Replacement Parts List Notes: • Important safety notice: Components identified by mark have special characteristics important for safety. Furthermore, special parts which have purposes of fire-retardant (resistors), high-quality sound (capacitors), low-noise (resistors), etc. are used. When replacing any of these components, be sure to use only manufacturers’s specified parts shown in the parts list.
  • Page 68 CR14 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 FLE0801...

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