Panasonic-SCHC55EG-cs-sm 电路图 维修手册.pdf

Panasonic Corporation 2011. All rights reserved. Unauthorized copying and distribution is a violation of law. PSG1103032CE Compact Stereo System Model No.SC-HC55EG Product Color: (K).Black Type (W).White Type TABLE OF CONTENTS PAGEPAGE 1 Safety Precautions- 3 1.1. General Guidelines- 3 1.2. Before Repair and Adjustment- 4 1.3. Caution For Fuse Replacement- 4 1.4. Protection Circuitry- 4 1.5. Safety Part Information- 4 2 Warning- 5 2.1. Prevention of Electro Static Discharge (ESD) to Electrostatically Sensitive (ES) Devices- 5 2.2. Precaution of Laser Diode- 6 2.3. Service caution based on Legal restrictions- 7 2.4. Handling Precaution for Traverse Deck- 8 3 Service Navigation- 9 3.1. Service Information - 9 4 Specifications- 10 5 Location of Controls and Components- 11 5.1. Main Unit Cycle Counter display increase every 1 cycle completed. Refer to 6.3.5 for more information To check for preset volume setting Note : In tuner mode this function is not possible The counter will increment by 1 until reach 99999999 23 6.3.3.Doctor Mode Table 3 Version Display (DEC) Check sum (HEX) ItemFL DisplayKey Operation Mode NameDescriptionFront Key Cold Start The NO DISC display will appear after 3s, EEPROM not detected only firmware is display To display result of self adjustment for CD. The NO DISC display will appear after 3s, In Doctor Mode: Press follow by 1 & then 4 button on remote control. To cancel, press 0 button on remote control. It returns Doctor Mode. To exit Doctor Mode, press but- ton on main unit or remote control. In Doctor Mode: Press follow by 1 & then 5 button on remote control. To cancel, press 0 button on remote control. It returns Doctor Mode. To exit Doctor Mode, press but- ton on main unit or remote control. In Doctor Mode: Press SLEEP button on remote control. To cancel, press 0 button on remote control. It returns Doctor Mode. To exit Doctor Mode, press but- ton on main unit or remote control. To cancel, press 0 button on remote control. It returns Doctor Mode. To exit Doctor Mode, press but- ton on main unit or remote control. In Doctor Mode: Press follow by 2 & then 2 button on remote control. To cancel, press 0 button on remote control. It returns Doctor Mode. To exit Doctor Mode, press but- ton on main unit or remote control. CD Self-Adjusment Display CD Combination TestTo check the open/close operation & inner outer disc access operation. 1. It fails when CD open/close is not completed by 4s. 2. The disc access fails in 10s. 3. The traverse is out of focus for more than 2s. Refer to 6.3.7 for more information To activate cold start upon next power up. (Backup data are initialized) EEPROM ChecksumTo check sum of EEPROM for a simplifield ROM correction. 1. When EEPROM is not detected, the only micro-ps version shall be displayed without an EEPROMs check sum Auto Power down Detect (APD) Test To check for the auto power down operation Condition 1 (when APD is OK) Condition 2 (when APD is abnormal operation) In any mode: Press button on main unit follow by 4 & then 7 on remote control. 24 6.3.4.Doctor Mode Table 4 ItemFL DisplayKey Operation Mode NameDescriptionFront Key In Doctor Mode: Press follow by 1 & then 6 button on remote control. To cancel, press 0 button on remote control. It returns Doctor Mode. To exit Doctor Mode, press but- ton on main unit or remote control. In Doctor Mode: Press 4 button on remote control. To cancel, press 0 button on remote control. It returns Doctor Mode. To exit Doctor Mode, press but- ton on main unit or remote control. In Doctor Mode: Press 5 button on remote control. To cancel, press 0 button on remote control. It returns Doctor Mode. To exit Doctor Mode, press but- ton on main unit or remote control. Region Setting CheckTo check Region setting of unit. Refer to 6.3.8 for the Region Setting destination Region Setting destination CD LSI Version No Check To check CD LSI Version No. & checksum correction Bluetooth Version No. Check To check Bluetooth Firmware Version. DSP IC Version Check To check DSP Firmware mode & Version No. Motion Sensor CheckTo check Motion Sensor Operation. Refer to 6.3.9 for more information MN947 Model settingTo check Model Setting. Refer to 6.3.10 for the Model Setting L : Left side sensor xx : “OK” or “NG” yyy : 0 255 yyy = Min 8, Max 18 In Doctor Mode: Press 6 button on remote control. To cancel, press 0 button on remote control. It returns Doctor Mode. To exit Doctor Mode, press but- ton on main unit or remote control. To cancel, press 0 button on remote control. It returns Doctor Mode. To exit Doctor Mode, press but- ton on main unit or remote control. R : Right side sensor xx : “OK” or “NG” yyy : 0 255 yyy = Min 8, Max 18 Version (decimal)Checksum (hex) Firmware Version No (00019999) Firmware Version No (00FF) Firmware Mode (00FF) In Doctor Mode: Press SENSOR key to enter “Motion Sensor” test mode. Press SENSOR key, IR LED located at left side, reading measurement of PS Irradiance value set display as show. To cancel, press 0 button on remote control. It returns Doctor Mode. To exit Doctor Mode, press but- ton on main unit or remote control. In Doctor Mode: Press SENSOR key to enter “Motion Sensor” test mode. Press SENSOR key, IR LED located at Right side, reading measurement of PS Irradiance value set display as show. In Doctor Mode: Press follow by 1 & then 8 button on remote control. To cancel, press 0 button on remote control. It returns Doctor Mode. To exit Doctor Mode, press but- ton on main unit or remote control. Model Setting 25 6.3.5.Mecha Sliding Panel Reliability 6.3.6.CD Traverse Test (For CD) 26 6.3.7.CD Reliability Test (For CD) 6.3.8.Region Check Table (For Tuner) RegionModelSeriesCountry 1HC55P/PCNorth America 2HC55JapanJapan 3HC55EPE. Europe 4HC55EB/EG/EFUK, Germany, France 5HC55DBEBUK 6HC55GA/GT/GK/GSS.E. Asia 7HC55GNOceania 8HC55DBGNOceania 27 6.3.9.Motion Sensor Check 6.3.10.Model setting Region No.FunctionModel With iPodWith Shock Proof S0OOHC55 28 6.4.Sales Demonstration Lock Function Mode 6.4.1.Entering into sales Demo Mode Here is the procedures to enter into Sales Demonstration Lock. Step 1 : Turn on the unit. Step 2 : Select to any mode function, press and hold key and follow by key. It must be pressed within 0.5 sec. Step 3 : The display will show upon entering into this mode. Note : button is invalid and the main unit displays “LOCKED” while the lock function mode is entered. 6.4.2.Cancellation Step 1 : To cancel only can be triggered in CD Mode and Volume 19. Step 2 : Press and hold key and follow by key. It must be pressed within 0.5 sec. Step 3 : The display will show after exit from this mode. 29 7Service Fixture & Tools Prepare service tools before process service position. Ref. No.Service ToolsRemarks SFT1Main P.C.B. (CN7002) - CD Servo P.C.B. (CN7002)RFKZHC55K1 (27P FFC) SFT2Main P.C.B. (CN303) - Remote Sensor P.C.B. (CN300)RFKZHC55K2 (15P FFC) SFT3Main P.C.B. (CN7902) - CD Servo P.C.B. (CN7901)RFKZHC35 (Extension P.C.B.) 30 8Disassembly and Assembly Instructions Caution Note: This section describes the disassembly and/or assembly procedures for all major printed circuit boards & main compo- nents for the unit. (You may refer to the section of “Main components and P.C.B Locations” as described in the service manual) Before carrying out the disassembly process, please ensure all the safety precautions & procedures are followed. During the disassembly and/or assembly process, please handle with care as there may be chassis components with sharp edges. Avoid touching heatsinks due to its high temperature after prolong use. (See caution as described below) During disassembly and assembly, please ensure proper service tools, equipments or jigs is being used. During replacement of component parts, please refer to the section of “Replacement Parts List” as described in the ser- vice manual. Select items from the following indexes when disassembly or replacement are required. Disassembly of Stand Assembly Replacement of Door Assembly Replacement of Cam Gear Disassembly of Lens Cover Disassembly of Net Frame Assembly Disassembly of Front Panel Block Disassembly of Gear Box Assembly Disassembly of Remote Sensor P.C.B. & iPod Open Switch P.C.B. Disassembly of Interlock Switch P.C.B. Replacement of iPod Tub Assembly Disassembly of Mini Side Lock Disassembly of iPhone P.C.B. Disassembly of Top Guide Reel Disassembly of Bottom Guide Reel Disassembly of Top Ornament Assembly Disassembly of Button P.C.B. Disassembly of Top Button & Power Light Piece Disassembly of Bluetooth P.C.B. Disassembly of Panel P.C.B. Disassembly of Jack Lid Disassembly of Tuner P.C.B. Disassembly of CD Mechanism Disassembly of CD Servo P.C.B. Disassembly of SMPS P.C.B. Replacement of Diode (D702) Replacement of Transistor (Q701) Disassembly of Passive Radiator (SP6) Disassembly of Passive Radiator (SP5) Disassembly of Front Speaker (SP2) Disassembly of Front Speaker (SP1) Disassembly of Piezo Unit (SP8) Disassembly of Piezo Unit (SP7) Disassembly of Passive Radiator (SP4) Disass embly of Passive Radiator (SP3) Disassembly of Main P.C.B. 31 8.1.Disassembly flow chart The following chart is the procedure for disassembling the casing and inside parts for internal inspection when carrying out the ser- vicing. To assemble the unit, reverse the steps shown in the chart below. 32 8.2.Types of Screws 8.3.Main Parts Location Diagram 33 8.4.Disassembly of Stand Assem- bly Step 1 : Remove 4 screws. Step 2 : Remove the Stand Assembly. Caution : During assembling, ensure a “Tack” sound is hear when the Stand Assembly fully catch into the Rear Cabinet. 8.5.Replacement of Door Assem- bly 8.5.1.Disassembly of Door Assembly Step 1 : Upset the main unit as diagram shown. Step 2 : Insert a flathead screwdriver into the hole behind the Door Assembly. Step 3 : Push the Cam Gear from point A to B. Note : The Cam Gear will be disengage after pushing. 34 Step 4 : Gently push the Door Assembly until it is fully open. Step 5 : Lift up the Door Assembly as arrow (1) shown and push the Door Assembly as arrow (2) shown. Step 6 : Gently push the Door Assembly until it is fully open. Caution : During disassembling, avoid touching the sur- face of OPU lens. 8.5.2.Assembly of Door Assembly Step 1 : Turn the Cam Gear as diagram shown. 35 Step 2 : Align the Door Assembly (Guiding Rib A) with the front panel (Guide Reel A) and Door Assembly (Guiding Rib B) with the front panel (Guide Reel B). Step 3 : Gently slide the Door Assembly until it is fully closed. Caution : Avoid using strong force, ensure the Door Assembly move smoothly. Repeat (Step 1 to Step 3) if there is problem in the assembly. 8.6.Replacement of Cam Gear Refer to “Disassembly of Door Assembly” 8.6.1.Disassembly of Cam Gear Step 1 : Remove Jack Lid Spring. Caution : Keep the Jack Lid Spring in safe place and place them back during assembling. 36 Step 2 : Lift up the Cam Gear at dotted area. Caution : Do not exert excessive force to lift up the Cam Gear or it may be broken. Step 3 : Turn the Cam Gear clockwise as arrow shown. Step 4 : Remove the Cam Gear. 8.6.2.Assembly of Cam Gear Step 1 : Place the Cam Gear onto the Door Assembly as dia- gram shown. Step 2 : Gently press and hold the portion (1) of the Cam Gear and turn the Cam Gear anti-clockwise by pushing the portion (2) of the Cam Gear. 37 Step 3 : Place Jack Lid Spring to the Door Assembly as shown. 8.7.Disassembly of Lens Cover Refer to “Disassembly of Door Assembly” Step 1 : Remove Lens Cover Spring. Caution : Keep the Lens Cover Spring in safe place and place them back during assembling. 38 Step 2 : Turn the Lens Cover clockwise as arrow shown. Step 3 : Stop at the guide and use a flathead screwdriver slightly lift up the catch to release the guide. Step 4 : Remove the Lens Cover. 8.8.Disassembly of Net Frame Assembly 8.8.1.Disassembly of Net Frame Assem- bly (L) Step 1 : Gently lift up Net Frame Assembly (L) with a flathead screwdriver to release 2 bosses in order of sequences (1) to (2) as shown. Step 2 : Remove Net Frame Assembly (L) in order of sequences (1) to (2) as shown. 39 Caution : During assembling, ensure that the bosses of Net Frame Assembly (L) are aligned to their respective holes in Front Speaker Assembly (L) as shown. 8.8.2.Disassembly of Net Frame Assem- bly (R) Step 1 : Gently lift up Net Frame Assembly (R) with a flathead screwdriver to release 2 bosses in order of sequences (1) to (2) as shown. Step 2 : Remove Net Frame Assembly (R) in order of sequences (1) to (2) as shown. 40 Caution : During assembling, ensure that the bosses of Net Frame Assembly (R) are aligned to their respective holes in Front Speaker Assembly (R) as shown. 8.9.Disassembly of Front Panel Block Refer to “Disassembly of Stand Assembly” Refer to “Disassembly of Door Assembly” Refer to “Disassembly of Net Frame Assembly” Step 1 : Remove 9 screws. Step 2 : Release the 3 catches on the Front Panel Block. 41 Step 3 : Slightly lift up the Front Panel Block. Step 4 : Detach 5P wire at the connector (CN1002) on the iPhone P.C.B. Step 5 : Detach 15P FFC at the connector (CN303) on the Main P.C.B. Step 6 : Remove Front Panel Block. 42 8.10.Disassembly of Gear Box Assembly Refer to “Disassembly of Stand Assembly” Refer to “Disassembly of Door Assembly” Refer to “Disassembly of Net Frame Assembly” Refer to “Disassembly of Front Panel Block” Step 1 : Remove 3 screws. Step 2 : Release 2P wire from the locator. Step 3 : Detach 2P wire at the connector (PR2) on the Motor P.C.B. Step 4 : Remove Gear Box Assembly & iPod Docking Spring. Caution : During assembling, ensure the Gear Box Assem- bly is seated properly on the locator. Caution : Keep the iPod Docking Spring in safe place and place them back during assembling. 43 8.10.1.Disassembly of Motor P.C.B. Refer to “Disassembly of Gear Box Assembly” Step 1 : Remove 2P wire from slot. Caution: During assembling, ensure the 2P wire is dress into the slot. Step 2 : Release 2 catches as show. Step 3 : Remove Motor P.C.B. Caution: During assembling, ensure the Motor P.C.B. is properly seated by the 2 catches. Step 4 : Desolder pin on the solder side of Motor P.C.B. and remove the Motor P.C.B. 44 8.10.2.Disassembly of Belt, Pully Gear, Middle Gear and Drive Gear. Refer to “Disassembly of Gear Box Assembly” Step 1 : Remove Belt. Step 2 : Remove 1 screw. Step 3 : Remove Pulley Gear. Step 4 : Remove 1 screw. Step 5 : Remove Middle Gear. 45 Step 6 : Use the