Panasonic-SAAKX77LMK-cs-sm 电路图 维修手册.pdf

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1、 Panasonic Corporation 2013. All rights reserved. Unauthorized copying and distribution is a violation of law. MEX1311014CE CD Stereo System Model No.SA-AKX77LM-K Product Color: (K).Black Type TABLE OF CONTENTS 1 Safety Precautions 1.1. General Guidelines 1.3. Before Repair and Adjustment 1.4. Prote

2、ction Circuitry 1.5. Caution For Fuse Replacement 1.6. Safety Parts Information 2 Warning 2.1. Prevention of Electrostatic Discharge (ESD) to Electrostatically Sensitive (ES) Devices 2.2. Precaution of Laser Diode 2.3. Service caution based on Legal restrictions 2.4. Handling Precautions for Travers

3、e Ass y 2.5. Groundingforelectrostaticbreakdown prevention 3 Service Navigation 3.1. Service Information 3.2. Firmware Update Procedure 4 Specifications 5 General/Introduction 5.1. Media Information 6 Location of Controls and Components 6.1. Remote Control Key Button Operation 6.2. Main Unit Key But

4、ton Operation Please refer to the original service manual for: ? CD Mechanism Unit (BRS11C), Order No. PSG1102001CE ?Speaker system SB-AKX76LM-K, Order No. MEX1307008CE Nota: El idioma original de este Manual de Servicio es en idioma ingls, sin embargo algunas notas aqu mencionadas sern escritas en

5、espaol para mejor descripcin para Centros de Servicio de Mxico. RadioFans.CN 收音机爱 好者资料库 7 Installation Instructions 7.1. Speaker and A/C Connection 8 Service Mode 8.1. Cold-Start- 8.2. Service Mode Table 8.3. Doctor Mode Table 8.4. Reliability Test Mode (CD Mechanism Unit) 8.5. Self-Diagnostic Mode

6、8.6. Self-Diagnostic Error Code Table 8.7. Sales Demonstration Lock Function 9 Troubleshooting Guide 10 Disassembly and Assembly Instructions 10.1. Screw Types 10.2. Disassembly Flow Chart 10.3. Main Components and P.C.B. Locations 10.4. Disassembly of Top Cabinet 10.5. Disassembly of Front Panel Un

7、it 10.6. Disassembly of Panel P.C.B., Memory LED P.C.B. and Music Port P.C.B. 10.7. Disassembly of Remote Sensor P.C.B. 10.8. Disassembly of Bluetooth P.C.B. 10.9. Disassembly of USB P.C.B. 10.10. Disassembly of Rear Panel 10.11. Disassembly of Main P.C.B. 10.12. Disassembly of SMPS P.C.B. 10.13. Di

8、sassemblyofCDMechanism Unit 10.14. Disassembly of CD Interface P.C.B. 10.15. Disassembly of Fan Unit 11 Service Position 11.1. Checking of Panel P.C.B. 11.2. Checking of Main P.C.B. (Side A) 11.3. Checking of Main P.C.B. (Side B) 11.4. Checking of SMPS P.C.B. (Side A) 12 Block Diagram 12.1. Servo X

9、: NG (In case that time out happens.) : Either one of FO AOC, TR AOC and FO coarse AGC is NG. : If the AGC is NG (ignore others). To cancel this mode, press 0 button on the remote control. To cancel this mode, press 0 button on the remote control. (Display 2) (Display 1) Version (Decimal) ROM Type Y

10、ear Develop after 2 sec Checksum (Hex) Bluetooth Version Check Bluetooth module will need some time to power up and read the version display. Meanwhile _BT_ll-_ will show before the ver. numbers appear. 2s display count should start after flash version number appear. Bluetooth Check 1. Bluetooth dev

11、ice will start pairing. 2. Once connected it wll autoplay for 5 sec and auto disconect. ( 2 sec) 1. Go to Bluetooth selector and enter Doctor Mode. 1. Go to Bluetooth selector and enter Doctor Mode. 2. Press USBO/II on remote control. 3. Device will display SC-MAX250-X, SC-MAX150-X. (X = region numb

12、er) ( 2 sec) v = flash version (07), w = flash sub version (0F), x = control version (0F), yyy = EEPROM version (0255), zz = EEPROM sub version (099), 2. Press 10 2 4 and display will show. 8.4.Reliability Test Mode (CD Mechanism Unit) Below is the process flow chart of the aging test for the CD Mec

13、hanism Unit. Figure 8-1 Reliability Test (Loading) Figure 8-2 Reliability Test (Traverse) Figure 8-3 Reliability Test (Combination) 8.5.Self-Diagnostic Mode 8.6.Self-Diagnostic Error Code Table Self-Diagnostic Function (Refer Section 8.5. Self-Diagnostic Mode) provides information on any problems oc

14、curring for the unit and its respective components by displaying the error codes. These error code such as U*, H* and F* are stored in memory and held unless it is cleared. The error code is automatically display after entering into self-diagnostic mode. 8.6.1.Power Supply Error Code Table 8.6.2.CD

15、Mechanism Error Code Table FL Display Key Operation Front Key Item Description Mode Name To enter into self diagnostic checking System will perform a check on any unusual/error code from the memory To clear the stored in memory (EEPROM IC) Self Diagnostic Mode Error code information Delete error cod

16、e Step 1: Select CD mode (Ensure no disc is inserted). Step 2: Press & hold button follow by on main unit for 2 seconds. Step 1: In self diagnostic mode, Press on main unit. To exit, press 1 on main unit or remote control. Step 1: In self diagnostic mode, Press 0 on remote control. To exit, press 1

17、on main unit or remote control. Example: / Error CodeDiagnostic ContentsDescription of errorAutomatic FL DisplayRemarks CD H15CD Open AbnormalDuring operation POS_SW_R On fail to be detected with 4 sec. Error No. shall be clear by force or during cold start. Press on main unit for next error. CD H16

18、CD Closing AbnormalDuring operation POS_SW_CEN On fail to be detected with 4 sec. Error No. shall be clear by force or during cold start. Press on main unit for next error. F26Communication between CD servo LSI and micro-p abnormal. During switch to CD func- tion, if SENSE = “L” within failsafe time

19、 of 20ms. Press on main unit for next error. 8.7.Sales Demonstration Lock Function 8.7.1.Entering into Sales demonstration lock mode Here is the procedures to enter into the Sales demonstration lock mode. Step 1: Turn on the unit. Step 2: Select to any mode function. Step 3: Press and hold OPEN/CLOS

20、E and CD keys for 5 sec or more. The display will show upon entering into this mode for 2 sec. Note: OPEN/CLOSE button is invalid and the main unit displays “LOCKED” while the lock function mode is entered. 8.7.2.Cancellation of Sales demonstration lock mode Step 1: Turn on the unit. Step 2: Select

21、to any mode function. Step 3: Set volume to Vol 19. Step 4: Press and hold OPEN/CLOSE and CD keys for 5 sec or more. The display will show upon entering into this mode for 2 sec. 9Troubleshooting Guide “Contents for this section is not available at time of issue” 10 Disassembly and Assembly Instruct

22、ions 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 p

23、rocess, 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 b

24、elow) 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 o

25、r replacement are required. Disassembly of Top Cabinet Disassembly of Front Panel Unit Disassembly of Panel P.C.B., Memory LED P.C.B. and Music Port P.C.B. Disassembly of Remote Sensor P.C.B. Disassembly of Bluetooth P.C.B. Disassembly of USB P.C.B. Disassembly of Rear Panel Disassembly of Main P.C.

26、B. Disassembly of SMPS P.C.B Disassembly of CD Mechanism Unit Disassembly of CD Interface P.C.B. Disassembly of Fan Unit 10.1.Screw Types 10.2.Disassembly Flow Chart 10.3.Main Components and P.C.B. Locations 10.4.Disassembly of Top Cabinet Step 1 Remove 2 screws on each side. Step 2 Remove 5 screws.

27、 Step 3 Release both sides of Top Cabinet outwards as arrow shown. Step 4 Slightly lift up the Top Cabinet. Step 5 Remove the Top Cabinet. Caution: During assembling, ensure that the Top Cabinet is inserted properly into the Front Panel Unit as shown. 10.5.Disassembly of Front Panel Unit Refer to “D

28、isassembly of Top Cabinet”. Step 1 Detach 10P FFC at connector (FP3002) on Main P.C.B. Step 2 Detach 30P FFC at connector (CN2004) on Main P.C.B. Step 3 Detach 5P Cable Wire at connector (CN2001) on Main P.C.B. Step 4 Detach Digital Ground Wire on Rear Panel. Step 5 Remove 1 screw. Step 6 Release Di

29、gital Ground Wire between Music Port P.C.B. and Inner Chassis. Step 7 Release tabs on both side of the Front Panel Unit. Step 8 Release tabs at bottom of unit. Step 9 Detach to remove the Front Panel Unit. 10.6.Disassembly of Panel P.C.B., Memory LED P.C.B. and Music Port P.C.B. Refer to “Disassembl

30、y of Top Cabinet”. Refer to “Disassembly of Front Panel Unit”. Step 1 Remove Volume Knob. Step 2 Remove Control Knob. Step 3 Remove 6 screws. Step 4 Release catches in sequences (1-9). Step 5 Lift up the Panel P.C.B. and Memory LED P.C.B. from Front Panel Unit. Step 6 Remove 1 screw. Step 7 Release

31、catch. Step 8 Remove the Panel P.C.B., Memory LED P.C.B. and Music Port P.C.B. 10.7.Disassembly of Remote Sensor P.C.B. Refer to “Disassembly of Top Cabinet”. Refer to “Disassembly of Front Panel Unit”. Refer to “Disassembly of Panel P.C.B., Memory LED P.C.B. and Music Port P.C.B. Step 1 Remove Remo

32、te Sensor P.C.B. Caution: During assembling, ensure that the Remote Sen- sor P.C.B. is properly inserted & fully attached to Panel P.C.B. 10.8.Disassembly of Bluetooth P.C.B. Refer to “Disassembly of Top Cabinet”. Refer to “Disassembly of Front Panel Unit”. Refer to “Disassembly of Panel P.C.B., Mem

33、ory LED P.C.B. and Music Port P.C.B. Step 1 Remove 1 screw. Step 2 Remove Bluetooth Block. Step 3 Release catch. Step 4 Remove Bluetooth P.C.B. from Bluetooth P.C.B. holder. 10.9.Disassembly of USB P.C.B. ? Refer to “Disassembly of Top Cabinet”. ? Refer to “Disassembly of Front Panel Unit”. Step 1 R

34、emove 1 screw. Step 2 Release 1 catch. Step 3 Remove USB P.C.B. 10.10.Disassembly of Rear Panel ? Refer to “Disassembly of Top Cabinet”. Step 1 Remove 9 screws. Step 3 Release catch. Step 4 Remove Fan Unit. Step 5 Detach Digital Ground Wire. Step 6 Release 2 tabs. Step 7 Detach to remove Rear Panel.

35、 9 10.11. Disassembly of Main P.C.B. Refer to “Disassembly of Top Cabinet”. Step 1 Detach 10P FFC at connector (FP3002) on Main P.C.B. Step 2 Detach 30P FFC at connector (CN2004) on Main P.C.B. Step 3 Detach 5P Cable Wire at connector (CN2001) on Main P.C.B. Step 4 Detach 2P Cable at connector (CN20

36、07) on Main P.C.B. Step 5 Detach 13P Cable at connector (CN5802) on SMPS P.C.B. Step 6 Remove 2 screws. Step 7 Remove 4 screws. Step 8 Detach to lift up the Main P.C.B. Step 9 Detach 24P FFC at connector (FP8201) on Main P.C.B. Step 10 Detach 10P FFC at connector (FP8251) on Main P.C.B. Step 11 Remo

37、ve the Main P.C.B. 10.12. Disassembly of SMPS P.C.B. ? Refer to “Disassembly of Top Cabinet”. Step 1 Remove the screws. Step 2 Detach 13P Cable Wire at connector (CN5802) on SMPS P.C.B. Step 4 Remove 3 screws. 1 Step 5 Release the P.C.B. Spacer. Step 6 Remove the SMPS P.C.B. Caution: During assembli

38、ng, ensure that SMPS P.C.B. is seated properly into the locators. 10.13. DisassemblyofCDMecha- nism Unit ? Refer to “Disassembly of Top Cabinet”. ? Refer to “Disassembly of Front Panel Unit”. Step 1 Remove 1 screw. Step 2 Remove 1 screw. Step 3 Detach 13P Cable at connector (CN5802) on SMPS P.C.B. S

39、tep 4 Detach 24P FFC at connector (FP8201) on Main P.C.B. Step 5 Detach 10P FFC at connector (FP8251) on Main P.C.B. Step 6 Release 2 tabs. Step 7 Release 2 catches. Step 8 Lift up the main block (Main P.C.B., Rear Panel, SMPS P.C.B. and inner chassis). Step 9 Remove 2 screws. Step 10 Remove CD Mech

40、anism Unit. 10.14. Disassembly of CD Interface P.C.B. Refer to “Disassembly of Top Cabinet”. Refer to “Disassembly of Front Panel Unit”. Refer to “Disassembly of CD Mechanism Unit”. Step 1 Remove 2 screws. Step 2 Desolder pins of the motor (M7301). Step 3 Desolder pins of the motor (M7302). Step 4 R

41、emove CD Interface P.C.B. 10.15. Disassembly of Fan Unit Refer to “Disassembly of Top Cabinet”. Step 1 Remove 1 screw. Step 2 Detach 2P Cable Wire at connector (CN2007) on Main P.C.B. Step 3 Release catch. Step 4 Remove Fan Unit. 11 Service Position Note: For description of the disassembly procedure

42、s, see the Section 10. 11.1.Checking of Panel P.C.B. Step 1 Remove Top Cabinet. Step 2 Remove Front Panel Unit. Step 3 Position the Front Panel Unit as shown. Step 4 Attach 10P FFC at connector (FP3002) on Main P.C.B. Step 5 Attach 30P FFC at a connector (CN2004) on the Main P.C.B. Step 6 Attach 5P

43、Cable Wire at connector (CN2001) on Main P.C.B. Step 7 Panel P.C.B. can be check at diagram shown. 11.2.Checking of Main P.C.B. (Side A) Step 1 Remove Top Cabinet. Step 2 Main P.C.B. (Side A) can be check at diagram shown. 11.3.Checking of Main P.C.B. (Side B) Step 1 Remove Top Cabinet. Step 2 Remov

44、e Front Panel Unit. Step 3 Remove Main P.C.B. Step 4 Place the Main P.C.B. on an insulated material. Step 5 Remove 4 screws . Step 6 Lift up the Main P.C.B. as arrow shown. Step 7 Remove Fan Unit. Step 8 Position the Front Panel Unit as shown. Step 9 Attach 10P FFC at connector (FP3002) on Main P.C.

45、B. Step 10 Attach 30P FFC at a connector (CN2004) on the Main P.C.B. Step 11 Attach 5P Cable Wire at connector (CN2001) on Main P.C.B. Step 12 Attach 2P Cable at connector (CN2007) on Main P.C.B. Step 13 Attach 10P FFC at a connector (FP8251) on the Main P.C.B. Step 14 Attach 24P FFC at a connector

46、(FP8201) on the Main P.C.B. Step 15 Attach 13P Cable at a connector (CN5802) on the SMPS P.C.B. Step 16 Side B Main P.C.B. can be check at diagram shown. 11.4.Checking of SMPS P.C.B. (Side A) Step 1 Remove Top Cabinet. Step 2 Remove Front Panel Unit. Step 3 Remove SMPS P.C.B. Step 4 Position the Fro

47、nt Panel Unit as shown. Step 5 Attach 10P FFC at connector (FP3002) on Main P.C.B. Step 6 Attach 30P FFC at a connector (CN2004) on the Main P.C.B. Step 7 Attach 5P Cable Wire at connector (CN2001) on Main P.C.B. Step 8 Attach 13P Cable at a connector (CN5802) on the SMPS P.C.B. Step 9 Upset the SMPS P.C.B. and place on an insulated mate- rial. 12 Block Diagram 12.1.Servo & System Control ?LM-K? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?