Panasonic-SAAKX38P-cs-sm 电路图 维修手册.pdf

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1、 Panasonic Corporation 2014. All rights reserved. Unauthorized copying and distribution is a violation of law. PSG1402005CE CD Stereo System Model No.SA-AKX38PH SA-AKX38PN Product Color: (K).Black Type TABLE OF CONTENTS PAGEPAGE 1 Safety Precautions- 3 1.1. General Guidelines- 3 1.2. Before Use (For

2、 PH only)- 4 1.3. Before Repair and Adjustment- 4 1.4. Protection Circuitry- 5 1.5. Power Supply using SMPS Module- 5 1.6. Safety Parts Information- 6 2 Warning- 7 2.1. Prevention of Electrostatic Discharge (ESD) to Electrostatically Sensitive (ES) Devices- 7 2.2. Precaution of Laser Diode- 7 2.3. G

3、eneral description about Lead Free Solder (PbF)- 8 2.4. Handling Precautions for Traverse Unit- 8 2.5. Grounding for electrostatic breakdown prevention-9 3 Service Navigation - 10 3.1. Service Information- 10 4 Specifications- 11 5 Location of Controls and Components- 12 5.1. Remote Control Key Butt

4、on Operation - 12 5.2. Main Unit Key Button Operation- 13 6 Service Mode- 14 6.1. Cold-Start - 14 6.2. Sales Demonstration Lock Function - 14 6.3. Doctor Mode Table- 15 6.4. Self-Diagnostic Mode - 18 6.5. Self-Diagnostic Error Code Table- 18 7 Troubleshooting Guide - 20 Please refer to the original

5、service manual for: ? ? CD Mechanism Unit (BRS12C) , Order No. PSG1303059AE ? ? Speaker system SB-AKX38PN-K, Order No. PSG1402006CE RadioFans.CN 收音机爱 好者资料库 2 8 Disassembly and Assembly Instructions-21 8.1. Type of Screws -21 8.2. Disassembly Flow Chart-21 8.3. Main Components and P.C.B. Locations-22

6、 8.4. Disassembly of Top Cabinet-23 8.5. Disassembly of Front Panel Unit-23 8.6. Disassembly of Panel P.C.B. and Music Port P.C.B.-24 8.7. Disassembly of USB P.C.B. -25 8.8. Disassembly of Rear Panel.-25 8.9. Disassembly of Main P.C.B.-26 8.10. Disassembly of SMPS Module and Voltage Selector P.C.B.

7、(PH)-27 8.11. Disassembly of CD Mechanism Unit-27 8.12. Disassembly of CD Interface P.C.B.-28 9 Service Position-29 9.1. Checking of Panel P.C.B. and Music Port P.C.B.-29 9.2. Checking and Repairing of Main P.C.B. and SMPS Module-29 10 Block Diagram -31 10.1. System Control -31 10.2. Audio -33 10.3.

8、 Power Supply -34 11 Wiring Connection Diagram-35 12 Schematic Diagram-37 12.1. Schematic Diagram Notes-37 12.2. MAIN (Damp/Tuner/AUX/USB/DSP/ Bluetooth/Voltage Regulator/Micon) Circuit -39 12.3. Panel Circuit-47 12.4. USB, Music Port X : NG (In case that time out happens.) : Either one of FO AOC, T

9、R 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 1) (Display 2) Version (Decimal) ROM Type Year Develop after 2 sec Checksum (Hex) 18 6.4.Self-Diagnostic M

10、ode 6.5.Self-Diagnostic Error Code Table Self-Diagnostic Function 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 auto

11、matically display after entering into self-diagnostic mode. 6.5.1.Power Supply Error Code Table 6.5.2.CD Mechanism Error Code Table FL Display Key Operation Front Key Item DescriptionMode Name Self Diagnostic Mode To enter into self diagnostic checkingStep 1: Select CD mode (Ensure no disc is insert

12、ed). To exit, press 8 on main unit or remote control. Step 2: Press & hold g button follow by y/i on main unit for 2 seconds. Error Code Information System will perform a check on any unusual/error code from the memory Example:Step 1: In self diagnostic mode, Press g on main unit. To exit, press 8 o

13、n main unit or remote control. Delete error code To clear the stored in memory (EEPROM IC) Step 1: In self diagnostic mode, Press 0 on remote control. Error CodeDiagnostic ContentsDescription of errorAutomatic FL DisplayRemarks CD H15CD Open AbnormalDuring operation POS_SW_R On fail to be detected w

14、ith 4 sec. 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 be

15、tween CD 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. 19 6.5.3.Bluetooth Error Code Table of errorAutomatic FL DisplayRemarks F70Bluetooth CommunicationCommunication between Bluetooth module and micro-

16、p abnormal Press on main unit for next error. F77Bluetooth Address ErrorIf there is no valid Bluetooth address stored in the EEPROM IC Press on main unit for next error. Error CodeDiagnostic ContentsDescription of error 20 7Troubleshooting Guide “Contents for this section is not available at time of

17、 issue” 21 8Disassembly and Assembly Instructions Illustration is based on SA-AKX38PH-K. 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

18、described in this 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

19、 to its high temperature after prolong use. Be sure to use proper service tools, equipments or jigs during repair. Select items from the following indexes when disassembly or replacement are required. Disassembly of Top Cabinet Disassembly of Front Panel Unit Disassembly of Panel P.C.B. and Music Po

20、rt P.C.B. Disassembly of USB P.C.B. Disassembly of Rear Panel Disassembly of Main P.C.B. Disassembly of SMPS Module and Voltage Selector P.C.B. (PH) Disassembly of CD Mechanism Unit Disassembly of CD Interface P.C.B. 8.1.Type of Screws 8.2.Disassembly Flow Chart 8.9. Main P.C.B. 8.11. CD Mechanism U

21、nit 8.8. Rear Panel 8.12. CD Interface P.C.B. 8.5. Front Panel Unit 8.4. Top Cabinet 8.6. Panel P.C.B. and Music Port P.C.B. 8.7. USB P.C.B. 8.10. SMPS Module and Voltage Selector P.C.B. (For PH only) 22 8.3.Main Components and P.C.B. Locations 23 8.4.Disassembly of Top Cabinet Step 1 Remove 4 screw

22、s. Step 2 Remove 5 screws. Step 3 Release both sides of Top Cabinet outwards as arrow shown. Step 4 Slightly lift up to remove Top Cabinet. 8.5.Disassembly of Front Panel Unit Refer to “Disassembly of Top Cabinet”. Step 1 Detach 8P Cable Wire at the connector (CN2502) on Main P.C.B. Step 2 Detach 22

23、P FFC at the connector (CN2500) on Main P.C.B. Step 3 Release tabs on both side of Front Panel Unit. 24 Step 4 Release tabs at bottom of unit. Step 5 Detach to remove Front Panel Unit 8.6.Disassembly of Panel P.C.B. and Music Port P.C.B. Refer to “Disassembly of Top Cabinet”. Refer to “Disassembly o

24、f Front Panel Unit”. Step 1 Remove Volume Knob. Step 2 Remove Control Knob. Step 3 Remove 7 screws. Step 4 Release catches. 25 Step 5 Remove Panel P.C.B. and Music Port P.C.B. 8.7.Disassembly of USB P.C.B. Refer to “Disassembly of Top Cabinet”. Refer to “Disassembly of Front Panel Unit”. Refer to “D

25、isassembly of Panel P.C.B. and Music Port P.C.B. Step 1 Remove 1 screw. Step 2 Remove catches. Step 3 Remove USB P.C.B. 8.8.Disassembly of Rear Panel. Refer to “Disassembly of Top Cabinet”. Step 1 Remove 9 screws. Step 2 Detach Voltage Selector P.C.B. (PH). 26 Step 3 Lift up to detach Chassis Unit.

26、Step 4 Release tabs. Step 5 Release Rear Panel. 8.9.Disassembly of Main P.C.B. Refer to “Disassembly of Top Cabinet”. Refer to “Disassembly of Rear Panel”. Step 1 Detach 10P Cable Wire at the connector (CON2) on SMPS Module. Step 2 Detach 24P FFC at the connector (P2005) on Main P.C.B. Step 3 Detach

27、 10P FFC at the connector (P2004) on Main P.C.B. Step 4 Detach 22P FFC at the connector (CN2500) on Main P.C.B. Step 5 Detach 8P Cable at the connector (CN2502) on Main P.C.B. Step 6 Remove 2 screws. Step 7 Remove Main P.C.B. 27 8.10.Disassembly of SMPS Module and Voltage Selector P.C.B. (PH) Refer

28、to “Disassembly of Top Cabinet”. Refer to “Disassembly of Rear Panel”. Step 1 Detach 10P Cable Wire at the connector (CON2) on SMPS Module. Step 2 Remove 2 screws. Step 3 Release catch. Step 4 Remove SMPS Module and Voltage Selector P.C.B. (PH). 8.11.Disassembly of CD Mecha- nism Unit Refer to “Disa

29、ssembly of Top Cabinet”. Refer to “Disassembly of Front Panel Unit”. Step 1 Remove 8 screws. Step 2 Detach Voltage Selector P.C.B. Step 3 Detach 10P FFC at a connector (P2004) on Main P.C.B. Step 4 Detach 24P FFC at a connector (P2005) on Main P.C.B. Step 5 Remove 1 screw. 28 Step 6 Remove 1 screw.

30、Step 7 Release catches. Step 8 Detach Inner Chassis Unit. Step 9 Remove 2 screws. Step 10 Remove CD Mechanism Unit. 8.12.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

31、screws. Step 2 Desolder pins of the motor (M7301). Step 3 Desolder pins of the motor (M7302). Step 4 Remove CD Interface P.C.B. 29 9Service Position Note: For description of the disassembly procedures, see the Section 8. 9.1.Checking of Panel P.C.B. and Music Port P.C.B. Step 1 Remove Top Cabinet. S

32、tep 2 Remove Front Panel Unit. Step 3 Remove Panel P.C.B. and Music Port P.C.B. Step 4 Place Panel P.C.B. and Music Port P.C.B. on the insu- lated material as shown. Step 5 Attach 22P FFC at a connector (CN2500) on the Main P.C.B. Step 6 Panel P.C.B. and Music Port P.C.B. can be checked as diagram s

33、hown. 9.2.Checking and Repairing of Main P.C.B. and SMPS Module Step 1 Remove Top Cabinet. Step 2 Remove Front Panel Unit. Step 3 Remove Rear Panel. Step 4 Remove Main P.C.B. Step 5 Remove SMPS Module and Voltage Selector P.C.B. (PH). Step 6 Place Main P.C.B., SMPS Module and Voltage Selector P.C.B.

34、 (PH) on the insulated material. Step 7 Attach 10P Cable at a connector (CON2) on the SMPS Module. Step 8 Attach 10P FFC at a connector (P2004) on the Main P.C.B. Step 9 Attach 24P FFC at a connector (P2005) on the Main P.C.B. Step 10 Attach 17P FFC at a connector (CN2500) on the Main P.C.B. Step 11

35、 Main P.C.B. and SMPS Module can be checked as dia- gram shown. 30 31 10 Block Diagram 10.1.System Control SA-AKX38PH/PN SYSTEM CONTROL (1/2) BLOCK DIAGRAM TO SYSTEM CONTROL BLOCK (2/2) : CD AUDIO INPUT SIGNAL LINE: USB SIGNAL LINE + + D6201 PANEL P.C.B. 12 CN2500 FL DATO 24 10 CN2500 FL CLK 23 11 C

36、N2500 FL CS 21 FL DOUT FL CLK FL CS FL DOUT FL CLK FL CS 3 CN2500 11 CN6001 13 CN6001 12 CN6001 20 CN6001 FL DATI 22 FL DINFL DIN FL DISPLAY DRIVER C0HBB0000057 IC6000 7DIN 8CLK 9STB 6DOUT 10K1 11K2 GR1 GR12 SG1 SG16 SG1 SG10 SOC C1AB00004188 IC2001 MAIN P.C.B. NOTE: “ * ” REF IS FOR INDICATION ONLY

37、 113 AC50 BD51 E54 F55 MD56 LDO57 TRDRV62 SPDRV64 TRVDRV63 INNER SW31 OPEN SW29 CLOSE SW30 FODRV61 56 CN7002P2004OPEN SW 83 CN7002P2004CLOSE SW SPM- 92 CN7002P2004 SPM+ 101 CN7002P2004 TRV+ 110 CN7002P2004 TRV- 29 CN7002P2004 LDM+ 38 CN7002P2004 LDM- LDM+ LDM- 47 CN7002P2004 SPINDLEMOTOR M7302* TRAV

38、ERSE MOTOR M7301* CD INTERFACE P.C.B. +3.3V Q2001 LASER DRIVE 23VINLD 5CH MOTOR DRIVER C0GBY0000117 IC2004 VOLD+17 VOLD-18 VOSL+11 VOSL-12 VOFC+14 VOFC-13 VOTK-16 VOTK+ F+ F- T- T+ CD-LD MD/LPD 15 VOTR+10 VOTR-9 26VINTK 7 REV SP SCL 114 SP SDA 115 SP INT 6 FWD 23 P2005 24 P2005 21 P2005 22 P2005 6 P

39、2005 5 P2005 OPEN SW 3 CN7001 CLOSE SW 1 CN7001 1VINFC 16 P2005 15 P2005 20 P2005 19 P2005 10 P2005 14 P2005 4VINSL+ OPTICAL PICKUP UNIT LOADING P.C.B. CLOSE SW OPEN SW 74 CN7002P2004RESET SWRESET SW 5 CN7001LDM+ 4 CN7001LDM- SPM- SPM+ TRV+ TRV- CD MECHANISM UNIT CD TRACKING SIGNAL RESET S7201 +5V 1

40、0 BT PCONT BT PCONT P5 5 USB-B USB-B P1 4 USB-A USB-A P0 1 NRST NRSTNRST 3 14 SCLSDA/INT 1513 RESET FROM/TO POWER SUPPLY FROM AUDIO FL6000 FL DISPLAY F- F+ F- F+ SG1 44 1 -PAIRING BT/MEMORY S6221 MEMORY REC/PAUSE S6211 D6202 SG2 ALBUM/TRACK S6222 -DJ JUKEBOX LATIN/PRESET EQ S6212 D6203 SG3 MEMORY 6

41、S6223 MANUAL EQ S6213 D6204 SG4 MEMORY 5 S6224 D.BASS S6214 D6205 SG5 MEMORY 4 S6225 USB REC/PAUSE S6215 D6206 SG6 MEMORY 1 S6226 RWD S6216 D6207 SG7 MEMORY 2 S6227 FWD S6217 D6208 SG8 MEMORY 3 S6228 PLAY/PAUSE S6218 D6209 SG9 RADIO/AUX IN S6219 D6210 SG10 USB/CD S6220 I/O EXPANDER C0ZBZ0001747 IC20

42、06 P7 12 P49 P26 P37 617 CN6001CN2500 518 CN6001CN2500 LED RED LED GREEN LED RED LED GREEN QR6003,QR6004 D6102,D6103 D6104,D6105 LED LIGHTING CIRCUIT 11 MPORT DET MPORT DETP6 32 SA-AKX38PH/PN SYSTEM CONTROL (2/2) BLOCK DIAGRAM TO SYSTEM CONTROL BLOCK (1/2) : CD AUDIO INPUT SIGNAL LINE: USB SIGNAL LI

43、NE +5V USB A D- USB A D+ USB A D- USB A D+ 22 ZJ6401*CN2502 11 ZJ6401*CN2502 2D- 3D+ 1USB5V USB P.C.B. PANEL P.C.B. USB PORT A (PLAY) JK6400 +5V USB B D- USB B D+ USB B D- USB B D+ 33 ZJ6401*CN2502 44 ZJ6401*CN2502 2D- 3D+ 1USB5V USB PORT B (REC/PLAY) JK6401 POWER S6200 OPEN/CLOSE S6201 STOP/TUNE MODE S6202 1013 CN6001CN2500VOL JOG VOL JOG 36 VOL JOG VOLUME VR6100 914 CN6001CN2500ROT JOG ROT JOG 41 ROT JOG ILLUMINATION/ CONTROL VR6200 158 CN6001CN2500KEY1 KEY1 39 KEY INT 32 KEY1 Q2002 SWITCH 149 CN6001CN2500 +3.3V REMOTE SENSOR IR6500 RMTRMT 40 TEMP