Panasonic-SAAKX58GN-cs-sm 电路图 维修手册.pdf

Panasonic Corporation 2014. All rights reserved. Unauthorized copying and distribution is a violation of law. PSG1403011CE CD Stereo System Model No.SA-AKX58PH SA-AKX58PN SA-AKX58GN SA-AKX78PH SA-AKX78PN Product Color: (K).Black Type TABLE OF CONTENTS PAGEPAGE 1 Safety Precautions- 3 1.1. General Guidelines- 3 1.2. Before Use (For PH only)- 4 1.3. Before Repair and Adjustment- 4 1.4. Protection Circuitry- 5 1.5. Power Supply using SMPS - 5 1.6. Safety Parts Information- 7 2 Warning- 8 2.1. Prevention of Electrostatic Discharge (ESD) to Electrostatically Sensitive (ES) Devices- 8 2.2. Precaution of Laser Diode- 8 2.3. General description about Lead Free Solder (PbF)- 9 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 Location of Controls and Components- 13 5.1. Remote Control Key Button Operation - 13 5.2. Main Unit Key Button Operation- 14 6 Service Mode- 15 6.1. Cold-Start - 15 6.2. Sales Demonstration Lock Function - 15 6.3. Service Mode Table - 16 6.4. Doctor Mode Table- 17 6.5. Self-Diagnostic Mode - 20 Please refer to the original service manual for: ? ? CD Mechanism Unit, Order No. PSG1303059AE ? ? Speaker system SB-AKX78PN-K, Order No. PSG1403012CE ? ? Speaker system SB-AKW78PN-K, Order No. PSG1403012CE (For AKX78) RadioFans.CN 收音机爱 好者资料库 2 6.6. Self-Diagnostic Error Code Table -20 7 Troubleshooting Guide-22 8 Disassembly and Assembly Instructions-23 8.1. Type of Screws -23 8.2. Disassembly Flow Chart-23 8.3. Main Components and P.C.B. Locations-24 8.4. Disassembly of Top Cabinet-25 8.5. Disassembly of Front Panel Unit-25 8.6. Disassembly of Panel P.C.B. and Music Port P.C.B.-26 8.7. Disassembly of Bluetooth P.C.B.-27 8.8. Disassembly of USB P.C.B. -27 8.9. Disassembly of Rear Panel.-28 8.10. Disassembly of Main P.C.B.-29 8.11. Disassembly of SMPS P.C.B. and Voltage Selector P.C.B.-30 8.12. Disassembly of CD Mechanism Unit-31 8.13. Disassembly of CD Interface P.C.B.-32 9 Service Position-33 9.1. Checking of Panel P.C.B. and Main P.C.B.-33 9.2. Checking of SMPS P.C.B. and Voltage Selector P.C.B.-33 10 Block Diagram -35 10.1. System Control -35 10.2. Audio -38 10.3. Power Supply -40 11 Wiring Connection Diagram-42 12 Schematic Diagram-43 12.1. Schematic Diagram Notes-43 12.2. Main (CD Motor Driver) Circuit-45 12.3. Main (USB EMMC) Circuit-46 12.4. Main (SOC I/O Expander) Circuit -47 12.5. Main (Damp) Circuit -49 12.6. Main (Connector) Circuit -51 12.7. Main (DSP) Circuit-52 12.8. Main (Tuner AUX) Circuit -53 12.9. Main (VREG Fan) Circuit-54 12.10. Panel Circuit-57 12.11. USB, Music Port X : 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 Year 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 device 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 number) ( 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. 20 6.5.Self-Diagnostic Mode 6.6.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 automatically display after entering into self-diagnostic mode. 6.6.1.Power Supply Error Code Table 6.6.2.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 inserted). 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 on 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 with 4 sec. Error No. shall be clear by force or during cold start. Press on main unit for next error. Press on main unit for next error. 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. F26Communication between CD servo LSI and micro-p abnormal. During switch to CD func- tion, if SENSE = “L” within failsafe time of 20ms. 21 6.6.3.Bluetooth Error Code Table of errorAutomatic FL DisplayRemarks F70Bluetooth CommunicationCommunication between Bluetooth module and micro-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 22 7Troubleshooting Guide “Contents for this section is not available at time of issue” 23 8Disassembly and Assembly Instructions Illustration is based on SA-AKX78PH-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 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 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 Port P.C.B. Disassembly of Bluetooth P.C.B. Disassembly of USB P.C.B. Disassembly of Rear Panel Disassembly of Main P.C.B. Disassembly of SMPS P.C.B. and Voltage Selector P.C.B. Disassembly of CD Mechanism Unit Disassembly of CD Interface P.C.B. 8.1.Type of Screws 8.2.Disassembly Flow Chart Top Cabinet Main P.C.B.Rear PanelFront Panel Unit CD Mechanism Unit CD Interface P.C.B. SMPS P.C.B. and Voltage Selector P.C.B. Panel P.C.B. and Music Port P.C.B. Bluetooth P.C.B. USB P.C.B. 24 8.3.Main Components and P.C.B. Locations 25 8.4.Disassembly of Top Cabinet Step 1 Remove 4 screws. 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 30P FFC at the connector (CN2506) on Main P.C.B. Step 2 Detach 8P Cable at the connector (CN2511) on Main P.C.B. Step 3 Detach 4P Cable at the connector (CN2510) on Main P.C.B. Step 4 Release tabs on both side of Front Panel Unit. 26 Step 5 Release tabs at bottom of unit. Step 6 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 of Front Panel Unit”. Step 1 Remove Volume Knob. Step 2 Remove Control Knob. Step 3 Remove 7 screws. Step 4 Release catches. 27 Step 5 Detach 12P FFC at the connector (P7701) on Bluetooth P.C.B. Step 6 Remove Panel P.C.B. and Music Port P.C.B. 8.7.Disassembly of Bluetooth 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 Detach 12P FFC at the connector (P7701) on Bluetooth P.C.B. Step 4 Remove Bluetooth P.C.B. 8.8.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 Remove catches. Step 3 Remove USB P.C.B. 28 8.9.Disassembly of Rear Panel. Refer to “Disassembly of Top Cabinet”. Step 1 Remove 10 screws. Step 2 Detach Voltage Selector P.C.B. Step 3 Release catch. Step 4 Remove fan unit. Step 5 Lift up to remove Inner Chassis Unit. Step 6 Release tabs. Step 7 Release to remove Rear Panel. 29 8.10.Disassembly of Main P.C.B. Refer to “Disassembly of Top Cabinet”. Step 1 Detach 30P FFC at the connector (CN2506) on Main P.C.B. Step 2 Detach 8P Cable at the connector (CN2511) on Main P.C.B. Step 3 Detach 4P Cable at the connector (CN2510) on Main P.C.B. Step 4 Detach 2P Wire at the connector (CN2101) on Main P.C.B. Step 5 Detach 2P Wire at the connector (CN2102) on Main P.C.B. Step 6 Detach 13P Cable at the connector (CON2) on SMPS P.C.B. Step 7 Remove 4 screws. Step 8 Remove 2 screws. Step 9 Detach Main P.C.B. 30 Step 10 Detach 24P FFC at the connector (P5002) on Main P.C.B. Step 11 Detach 10P FFC at the connector (P5102) on Main P.C.B. Step 12 Remove Main P.C.B. 8.11.Disassembly of SMPS P.C.B. and Voltage Selector P.C.B. Refer to “Disassembly of Top Cabinet”. Step 1 Remove 2 screws. Step 2 Detach 13P Cable at the connector (CON2) on SMPS P.C.B. Step 3 Detach 2P Wire at the connector (CN2101) on Main P.C.B. Step 4 Detach Voltage Selector P.C.B. 31 Step 5 Remove 3 screws. Step 6 Remove fan unit. Step 7 Release P.C.B. Spacer. Step 8 Remove SMPS P.C.B. and Voltage Selector P.C.B. 8.12.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 5 screws. Step 2 Detach Voltage Selector P.C.B. Step 3 Remove 2 screws. 32 Step 4 Release catches. Step 5 Lift up and remove Inner Chassis Unit. Step 6 Remove 2 screws. Step 7 Remove CD Mechanism Unit. 8.13.Disassembly of CD Interface 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 CD Interface P.C.B. 33 9Service Position Note: For description of the disassembly procedures, see the Section 8. 9.1.Checking of Panel P.C.B. and Main 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 the connector (CN2506) on Main P.C.B. Step 5 Attach 8P Cable at the connector (CN2511) on Main P.C.B. Step 6 Attach 4P Cable at the connector (CN2510) on Main P.C.B. Step 7 Panel P.C.B. and Main P.C.B. can be checked as dia- gram shown. 9.2.Checking of SMPS P.C.B. and Voltage Selector P.C.B. Step 1 Remove Top Cabinet. Step 2 Remove Front Panel Unit. Step 3 Remove SMPS P.C.B. Step 4 Positioned the Front Panel Unit as shown. Step 5 Attach 30P FFC at the connector (CN2506) on Main P.C.B. Step 6 Attach 8P Cable at the connector (CN2511) on Main P.C.B. Step 7 Attach 4P Cable at the connector (CN2510) on Main P.C.B. Step 8 Attach 13P Cable at the connector (CON2) on SMPS P.C.B. Step 9 Place the SMPS P.C.B. and Voltage Selector P.C.B. on the insulated material. Step 10 SMPS P.C.B. and Voltage Selector P.C.B. can be checked as diagram shown. 34 35 10 Block Diagram 10.1.System Control SA-AKX58GN/PH/PN,SA-AKX78PH/PN SYSTEM CONTROL (1/3) BLOCK DIAGRAM TO SYSTEM CONTROL BLOCK (2/3) : CD AUDIO INPUT SIGNAL LINE: USB SIGNAL LINE: TUNER/AUX AUDIO INPUT SIGNAL LINE SOC C1AB00004188 IC1001 FROM/TO AUDIO NOTE: “ * ” REF IS FOR INDICATION ONLY USB P.C.B. +5V1USB5V USB B D- USB B D+ USB PORT B (REC/PLAY) JK6401 2-D 3+D USB B D- USB B D+ 55 CN6401CN2511 44 CN6401CN2511 +5V1USB5V USB A D- USB A D+ USB PORT A (PLAY) JK6400 2-D 3+D USB A D- USB A D+ 53 CN6401CN2511 62 CN6401CN2511 Q1001 SWITCHGPIO6 32 SSCS 25 SSDI 26 KPX2 I/O EXPANDER C0ZBZ0002175 IC1202 36 KPY103 EXIT1004 KPY7 28 KPX39 KPY07 KPY95 KPY522 ANALOG SEL ANALOG SEL2 TUN RST DSP RESET DSP MUTE MPORT DET KPY2 10DAMP RST USB DP 98 USB DM 97 GPIO10 93 88 CN2511 CN6401USBLED PLAYUSBLED PLAY + + AC50 BD51 E54 F55 PD56 LDO57 TDOUT62 CLVOUT64 SDOUT63 GPIO531 GPIO329 GPIO430 SSDO28 SSCLK27 FDOUT61