Panasonic-SAAKX56GN-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. PSG1304028CE CD Stereo System Model No.SA-AKX56GN Product Color: (K).Black Type TABLE OF CONTENTS PAGEPAGE 1 Safety Precautions- 3 1.1. General Guidelines- 3 1.2. Before Repair and Adjustme

2、nt- 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- 8

3、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 -13 5 General/Introduction -14 5.1. Media Information- 14 6 Location of Controls and Components- 15 6.1. Remote Control Key B

4、utton Operation - 15 6.2. Main Unit Key Button Operation- 16 7 Installation Instructions - 17 7.1. Speaker and A/C Connection- 17 8 Service Mode- 18 8.1. Cold-Start - 18 8.2. Doctor Mode Table- 19 8.3. Reliability Test Mode (CD Mechanism Unit)- 22 8.4. Self-Diagnostic Mode - 23 8.5. Self-Diagnostic

5、Error Code Table- 23 8.6. Sales Demonstration Lock Function - 24 9 Troubleshooting Guide - 25 10 Disassembly and Assembly Instructions- 26 10.1. Screw Types- 26 10.2. Disassembly Flow Chart - 27 10.3. Main Components and P.C.B. Locations - 28 Please refer to the original service manual for: ? ? CD M

6、echanism Unit , Order No. PSG1102001CE ? ? Speaker system SB-AKX56PN-K, Order No. PSG1304049AE RadioFans.CN 收音机爱 好者资料库 2 10.4. Disassembly of Top Cabinet-29 10.5. Disassembly of Front Panel Unit-30 10.6. Disassembly of Panel P.C.B., Memory LED P.C.B. and Music Port P.C.B.-31 10.7. Disassembly of Rem

7、ote Sensor P.C.B.-33 10.8. Disassembly of USB P.C.B. -33 10.9. Disassembly of CD Lid-34 10.10. Disassembly of Rear Panel-34 10.11. Disassembly of Main P.C.B.-35 10.12. Disassembly of SMPS P.C.B.-37 10.13. Disassembly of CD Mechanism Unit-37 10.14. Disassembly of CD Interface P.C.B.-39 10.15. Disasse

8、mbly of 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

9、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 1) (Display 2) Version (Decimal) ROM Type Year Develop after 2 sec Checksum (Hex) 22 8.3.Reliability Test Mode (

10、CD Mechanism 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 Acce

11、ss First 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 23 8.4.Self-Diagnostic Mode 8.5.Self-Diagnostic Error Code Table Self-Diagnostic Function (

12、Refer Section 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 e

13、ntering 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

14、Mode Error 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,

15、 Press 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. 24 8.5.2.CD Mechanism Error Code Table (CD Mechan

16、ism Unit) 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. Th

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

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

19、ec. Error 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 C

20、D servo 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. 25 9Troubleshooting Guide Contents for this section is not available at time of issue 26 10 Disassembly and Assembly Instructions Caution Note: This secti

21、on 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

22、 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

23、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. D

24、isassembly 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. Disassemb

25、ly of CD Mechanism Unit Disassembly of CD Interface P.C.B. Disassembly of Fan Unit 10.1.Screw Types 27 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 1

26、0.7. Panel 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 28 10.3.Main Components and P.C.B. Locations 29 10.4.Disassembly of Top Cabinet Step 1 Remove 2 screws on each side. Step 2 Remove 5 screws. Step 3 Slightly release both sides of Top Cabinet

27、. 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 are properly inserted into the Front Panel Unit. 30 10.5.Disassembly of Front Panel Unit Refer to “Disassembly of Top Cabinet”. Step 1 De

28、tach 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 Front Panel Unit. Step 5 Release tab at the right side of Front Panel Unit. Step 6 Release tabs at bottom. 31 Step 7 Det

29、ach 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 Remove 7 screws. Step 4 Release

30、catches by following the sequences (1-9). 32 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. Caution: During assembling, ensure that the Panel P.C.B. is seated p

31、roperly 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. 33 Caution: During assembling, ensure that the Music Port P.C.B. is seated properly into the locators & fully catched. 10.7.Disassembly of R

32、emote 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 Remote Sen- sor P.C.B. is properl

33、y inserted to the Panel P.C.B. 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 P.C.B. is seated properly & fully

34、 catched. 34 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 correct position. Step 2 Push the bosses of the CD Li

35、d inwards. Step 3 Remove the CD Lid. 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 . 35 Step 4 Lift up to remove Inner Chassis Unit from the Rear Panel. Step 5 Release tabs. Step 6 Rem

36、ove Rear Panel. 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 SMPS P.C.B. Step 3 Remove 4 screw. 36 Step 4 Remove

37、 2 screw. Step 5 Slightly lift up the Main P.C.B.from the slots at the Inner Chassis Unit according to arrow shown. 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 8 Remove the Main P.C.B. 37 10.12. Disassembl

38、y 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 Remove the SMPS P.C.B. Caution: During as

39、sembling, ensure that the SMPS P.C.B. is seated properly onto the locators. 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 screws. 38 Step 2 Remove 1 screw. Step 3 Rele

40、ase catches. Step 4 Lift up and remove the Inner Chassis Unit. Caution: During assembling, ensure that Inner Chassis Unit is catched onto the Rear Panel properly. Step 5 Remove 2 screws. Step 6 Remove the CD Mechanism Unit. 39 10.14. Disassembly of CD Interface P.C.B. Refer to “Disassembly of Top Ca

41、binet”. 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 the CD Interface P.C.B. 10.15. Disassemb

42、ly 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 onto the Rear Panel properly. 40 11 Service

43、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 (CN2004) on the Main P.C.B. Step 5 Panel P.

44、C.B. can be checked. 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 Remove 3 screws. Step 6 Lift up to remove the Main P.C.B.