Panasonic-SAAKX75P-cs-sm 电路图 维修手册.pdf

《Panasonic-SAAKX75P-cs-sm 电路图 维修手册.pdf》由会员分享，可在线阅读，更多相关《Panasonic-SAAKX75P-cs-sm 电路图 维修手册.pdf（102页珍藏版）》请在收音机爱好者资料库上搜索。

1、 Panasonic Corporation 2013. All rights reserved. Unauthorized copying and distribution is a violation of law. PSG1304027CE A6 CD Stereo System Model No.SA-AKX75P Product Color: (K).Black Type TABLE OF CONTENTS PAGEPAGE 1 Safety Precautions- 3 1.1. General Guidelines- 3 1.2. Before Repair and Adjust

2、ment- 3 1.3. Protection Circuitry- 4 1.4. Caution For Fuse Replacement- 4 1.5. Safety Parts Information- 5 2 Warning- 6 2.1. Prevention of Electrostatic Discharge (ESD) to Electrostatically Sensitive (ES) Devices- 6 2.2. Precaution of Laser Diode- 7 2.3. Service caution based on Legal restrictions-

3、8 2.4. Handling Precautions for Traverse Unit- 9 2.5. Grounding for electrostatic breakdown prevention -10 3 Service Navigation-11 3.1. Service Information- 11 4 Specifications- 12 5 General/Introduction- 13 5.1. Media Information- 13 6 Location of Controls and Components- 14 6.1. Remote Control Key

4、 Button Operation - 14 6.2. Main Unit Key Button Operation- 15 7 Installation Instructions - 16 7.1. Speaker and A/C Connection- 16 8 Service Mode- 17 8.1. Cold-Start - 17 8.2. Doctor Mode Table- 18 8.3. Reliability Test Mode (CD Mechanism Unit)- 21 8.4. Self-Diagnostic Mode - 22 8.5. Self-Diagnosti

5、c Error Code Table- 22 Please refer to the original service manual for: ? ? CD Mechanism Unit , Order No. PSG1102001CE ? ? Speaker system SB-AKX75P-K, Order No. PSG1304043AE RadioFans.CN 收音机爱 好者资料库 2 8.6. Sales Demonstration Lock Function -23 9 Troubleshooting Guide-24 10 Disassembly and Assembly In

6、structions-25 10.1. Screw Types-25 10.2. Disassembly Flow Chart-26 10.3. Main Components and P.C.B. Locations -27 10.4. Disassembly of Top Cabinet-28 10.5. Disassembly of Front Panel Unit-29 10.6. Disassembly of Panel P.C.B., Memory LED P.C.B. and Music Port P.C.B.-30 10.7. Disassembly of Remote Sen

7、sor P.C.B.-32 10.8. Disassembly of USB P.C.B. -33 10.9. Disassembly of CD Lid-33 10.10. Disassembly of Rear Panel-34 10.11. Disassembly of Main P.C.B.-35 10.12. Disassembly of SMPS P.C.B.-36 10.13. Disassembly of CD Mechanism Unit-37 10.14. Disassembly of CD Interface P.C.B.-38 10.15. Disassembly of

8、 Fan Unit -39 11 Service Position-40 11.1. Checking of Panel P.C.B. -40 11.2. Checking of Main P.C.B. (Side A)-40 11.3. Checking of Main P.C.B. (Side B)-40 11.4. Checking of SMPS P.C.B.-41 12 Block Diagram -43 12.1. Servo X : NG (In case that time out happens.) : Either one of FO AOC, TR AOC and FO

9、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 1) (Display 2) Version (Decimal) ROM Type Year Develop after 2 sec Checksum (Hex) 21 8.3.Reliability Test Mode (CD Mech

10、anism Unit) Below is the process flow chart of the aging test for the CD Mechanism Unit . Fig. 1. Reliability Test (Loading) Fig. 2. Reliability Test (Traverse) Fig. 3. Reliability Test (Combination) OPEN Operation OPEN wait for 1 s CLOSE Operation CLOSE wait for 4 s Count up First Track Access Firs

11、t Track Play 5 s Last Track Access Last Track Play 5 s Count up First Track Access Access Play 10 s Open Operation Open wait for 1 s CLOSE Operation Count up First Track Last Track Last Track Play 10 s 22 8.4.Self-Diagnostic Mode 8.5.Self-Diagnostic Error Code Table Self-Diagnostic Function (Refer S

12、ection 8.4. Self-Diagnostic Mode) provides information on any problems occurring 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

13、 into self-diagnostic mode. 8.5.1.Power Supply 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 Er

14、ror code information Delete error code 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 /I on main unit or remote control. Step 1: In self diagnostic mode, Press

15、0 on remote control. To exit, press /I on main unit or remote control. Example: / Cold StartTo active cold start upon next AC power up when reset start is execute the next time. In self diagnostic mode: 1. Press 3 button on the remote control. 23 8.5.2.CD Mechanism Error Code Table (CD Mechanism Uni

16、t) 8.6.Sales Demonstration Lock Function 8.6.1.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/CLOSE and CD keys for 5 sec or more. The displ

17、ay 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. 8.6.2.Cancellation of Sales demonstration lock mode Step 1: Turn on the unit. Step 2: Select to any mode function. Step 3: Set volume t

18、o 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. Error CodeDiagnostic ContentsDescription of errorAutomatic FL DisplayRemarks CD H15CD Open AbnormalDuring operation POS_SW_R On fail to be detected with 4 sec. Err

19、or No. shall be clear by force or during cold start. Press on main unit for next error. CD H16CD 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

20、 LSI and micro-p abnormal. During switch to CD func- tion, if SENSE = “L” within failsafe time of 20ms. Press on main unit for next error. 24 9Troubleshooting Guide Contents for this section is not available at time of issue 25 10 Disassembly and Assembly Instructions Caution Note: This section desc

21、ribes 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

22、 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 assembl

23、y, 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. Disassem

24、bly 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 USB P.C.B. Disassembly of CD Lid Disassembly of Rear Panel Disassembly of Main P.C.B. Disassembly of SMPS P.C.B. Disassembly of C

25、D Mechanism Unit Disassembly of CD Interface P.C.B. Disassembly of Fan Unit 10.1.Screw Types 26 10.2.Disassembly Flow Chart 10.4.Top Cabinet 10.11. Main P.C.B. 10.10. Rear Panel10.5 Front Panel Unit 10.13. CD Mechanism Unit 10.14. CD Interface P.C.B. 10.12. SMPS P.C.B. 10.15. 10.6. Fan Unit 10.7. Pa

26、nel P.C.B., Memory LED P.C.B. and Music Port P.C.B. 10.8. Remote Sensor P.C.B. 10.9. USB P.C.B. CD Lid 27 10.3.Main Components and P.C.B. Locations 28 10.4.Disassembly of Top Cabinet Step 1 Remove 2 screws on each side. Step 2 Remove 5 screws. Step 3 Slightly release both side of Top Cabinet outward

27、s as arrow shown. Step 4 Slightly lift up the Top Cabinet in an outward direction as shown. Step 5 Remove the Top Cabinet. Caution: During assembling, ensure that the Top Cabinet catches are properly inserted into the Front Panel Unit. 29 10.5.Disassembly of Front Panel Unit Refer to “Disassembly of

28、 Top Cabinet”. Step 1 Detach 30P FFC at the connector (CN2004) on Main P.C.B. Step 2 Detach 5P Cable at the connector (CN2001) on Main P.C.B. Step 3 Remove 1 screw. Step 4 Release tab at the left side of the Front Panel Unit. Step 5 Release tab at the right side of the Front Panel Unit. 30 Step 6 Re

29、lease tabs at bottom. Step 7 Detach the Front Panel Unit as arrow shown. 10.6.Disassembly of Panel P.C.B., Memory LED P.C.B. and Music Port P.C.B. Refer to “Disassembly of Top Cabinet”. Refer to “Disassembly of Front Panel Unit”. Step 1 Remove the Volume Knob. Step 2 Remove the Control Knob. Step 3

30、Remove 7 screws. 31 Step 4 Release catches by following the sequences (1-9).Step 5 Lift up the Panel P.C.B. and Memory LED P.C.B. from the Front Panel Unit. Caution: During assembling, ensure that the Memory LED P.C.B. is properly insert to the Front Panel Unit. 32 Caution: During assembling, ensure

31、 that the Panel P.C.B. is seated properly onto the locators & fully catched. Step 6 Remove 1 screw. Step 7 Release catch. Step 8 Remove the Panel P.C.B., Memory LED P.C.B. and Music Port P.C.B. Caution: During assembling, ensure that the Music Port P.C.B. is seated properly into the locators & fully

32、 catched. 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 the Remote Sensor P.C.B. Caution: During assembling, ensure that the Re

33、mote Sen- sor P.C.B. is properly inserted to the Panel P.C.B. 33 10.8.Disassembly of USB P.C.B. Refer to “Disassembly of Top Cabinet”. Refer to “Disassembly of Front Panel Unit”. Step 1 Remove 1 screw. Step 2 Release catch. Step 3 Remove the USB P.C.B. Caution: During assembling, ensure that the USB

34、 P.C.B. is seated properly into the locators & fully catched. 10.9.Disassembly of CD Lid Refer to “Disassembly of Top Cabinet”. Refer to “Disassembly of Front Panel Unit”. Step 1 Remove the spring in order of sequence (1) to (3). Caution: During assembling, ensure that the spring is assembly at corr

35、ect position. Step 2 Push the bosses of the CD Lid inwards. Step 3 Remove the CD Lid. 34 10.10. Disassembly of Rear Panel Refer to “Disassembly of Top Cabinet”. Step 1 Remove 9 screws. Step 2 Release catch at the Fan Unit . Step 3 Remove the Fan Unit . Step 4 Lift up to remove Inner Chassis Unit fro

36、m the Rear Panel. Step 5 Release tabs. Step 6 Remove Rear Panel. 35 10.11. Disassembly of Main P.C.B. Refer to “Disassembly of Top Cabinet”. Refer to “Disassembly of Front panel Unit”. Step 1 Detach 2P Wire at the connector (CN2007) on Main P.C.B. Step 2 Detach 13P Cable at the connector (CN5802) on

37、 SMPS P.C.B. Step 3 Remove 4 screw. Step 4 Remove 2 screw. Step 5 Lift up the Main P.C.B.from the slots at the Inner Chas- sis Unit according to arrow shown. 36 Step 6 Detach 10P FFC at the connector (FP8251) on the Main P.C.B. Step 7 Detach 24P FFC at the connector (FP8201) on the Main P.C.B. Step

38、8 Remove the Main P.C.B. 10.12. Disassembly of SMPS P.C.B. Refer to “Disassembly of Top Cabinet.”. Refer to “Disassembly of Front Panel Unit”. Step 1 Remove 1 screw. Step 2 Remove 3 screws. Step 3 Detach 13P Cable Wire at the connector (CN5802) on SMPS P.C.B. Step 4 Release the P.C.B. Holder. Step 5

39、 Remove the SMPS P.C.B. Caution: During assembling, ensure that the SMPS P.C.B. is seated properly onto the locators. 37 10.13. Disassembly of CD Mecha- nism Unit Refer to “Disassembly of Top Cabinet”. Refer to “Disassembly of Front Panel Unit”. Refer to “Disassembly of Main P.C.B”. Step 1 Remove 3

40、screws. Step 2 Remove 1 screw. Step 3 Release catches. Step 4 Lift up and remove the Inner Chassis Unit. Caution: During assembling, ensure that Inner Chassis Unit is catched onto Rear Panel properly. 38 Step 5 Remove 2 screws. Step 6 Remove the CD Mechanism Unit. 10.14. Disassembly of CD Interface

41、P.C.B. Refer to “Disassembly of Top Cabinet”. Refer to “Disassembly of Front Panel Unit”. Refer to “Disassembly of Main P.C.B.”. 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 Remove th

42、e CD Interface P.C.B. 39 10.15. Disassembly of Fan Unit Refer to “Disassembly of Top Cabinet”. Step 1 Remove 1 screw. Step 2 Detach 2P Wire at a connector (CN2007) on the Main P.C.B. Step 3 Release catch. Step 4 Remove the Fan Unit. Caution: During assembling, ensure that the Fan Unit is catched ont

43、o the Rear Panel properly. 40 11 Service Position Note: For description of the disassembly procedures, 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 Positioned the Front panel Unit as shown. Step 4 Attach 30P FFC at a connector (C

44、N2004) on the Main P.C.B. Step 5 Panel P.C.B. can be checked at diagram shown. 11.2.Checking of Main P.C.B. (Side A) Step 1 Remove Top Cabinet. Step 2 Side A Main P.C.B. can be checked at diagram shown. 11.3.Checking of Main P.C.B. (Side B) Step 1 Remove Top Cabinet. Step 2 Remove Front Panel Unit. Step 3 Remove Main P.C.B. Step 4 Place the Main P.C.B. on an insulated material. Step 5