Panasonic-SAMAX500LMK-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. PMX1302001CE CD Stereo System Model No.SA-MAX500LMK 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 Unit 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 Butt

4、on Operation 7 Installation Instructions 7.1. Speaker and A/C Connection 8 Service Mode 8.1. Cold-Start 8.2. Doctor Mode Table 8.3. Reliability Test Mode (CD Mechanism Unit) Please refer to the original service manual for: CD Mechanism Unit, Order No. PSG1201019AE Speaker system SB-MAX500LMK, Order

5、No. PMX1302002CE SB-MAX500 LSB-MAX500 R SA-MAX500 Nota: El idioma original de este Manual de Servicio es en idioma ingls, sin embargo algunas notasaqu mencionadas sern escritas en espaol para mejor descripcin para Centros de Servicio de Mxico. RadioFans.CN 收音机爱 好者资料库 8.4. Self-Diagnostic Mode 8.5. S

6、elf-Diagnostic Error Code Table 8.6. 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 Unit 10.

7、6. Disassembly of FL Display P.C.B. 10.8. Disassembly of Control P.C.B. 10.10. Disassembly of Volume P.C.B. 10.11 Disassembly of Volume Jog Led 10.12. Disassembly of Remote Sensor P.C.B. 10.13. Disassembly of USB P.C.B. 10.14. Disassembly of Mic P.C.B. 10.16. Disassembly of CD Lid 10.17. Disassembly

8、 of Rear Panel 10.18. Disassembly of CD Mechanism Unit 10.19. Disassembly of Main P.C.B. 10.20. Disassembly of Digital Amplifier IC I 10.21. Disassembly of SMPS P.C.B. 10.22. Replacement of Switching Regulator (Q5700) 10.23. Replacement of Rectifier Diode (D5801) 10.24. Replacement of Rectifier Diod

9、e (D5802) 10.25. Disassembly of CD Interface P.C.B. 11 Service Position 11.1. Checking and Repairing of FL Display P.C.B., Control P.C.B., Volume P.C.B., Mic P.C.B. and USB P.C.B. 11.2. Checking and Repairing of Main P.C.B. (Side B) 11.3. Checking and Repairing of Main P.C.B. (Side A) 11.4. Checking

10、 and Repairing of SMPS P.C.B. 12 Block Diagram 12.1. Servo X: NG (In case that time out happens.) : Either one of FOAOC, TR AOC and FO coarse AGC is NG. : If theAGC is NG (ignore others). 2.To cancel, press 0 on remote control . 2.To cancel, press 0 on remote control . ROM Version (Display 1) (Displ

11、ay 2) Year Develop Year Develop ROM Type Version(Decimal) after 2 sec Version (Decimal )Checksum (Hex) 8.3.Reliability Test Mode (CD Mechanism Unit (BRS11C) Below is the process flow chart of the aging test for the CD Mechanism Unit (BRS11C). Fig. 1. Reliability Test (Loading) Fig. 2. Reliability Te

12、st (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 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 Operatio

13、n Count up First Track Last Track Last Track Play 10 s 8.4.Self-Diagnostic Mode 8.5.Self-Diagnostic Error Code Table Self-Diagnostic Function (Refer Section 8.4. Self-Diagnostic Mode) provides information on any problems occurring for the unit and its respective components by displaying the error co

14、des. 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. 8.5.1.Power Supply Error Code Table FL Display Key Operation Front Key Item Description Mode Name To enter into self diagn

15、ostic check ing 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 code Step 1: Select CD mode (Ensure no disc is inserted). Step 2: Press & hold button follow by on main unit for 2

16、 seconds. Step 1: In self diagnostic mode, Press on main unit. To ex it, press / I on main unit or remote control. Step 1: In self diagnostic mode, Press 0 on remote control. To ex it, press / I on main unit or remote control. Ex ample: / Cold StartTo activ e cold start upon nex t AC power up when r

17、eset start is ex ecute the nex t time. In self diagnostic mode: 1. Press 3 button on the remote control. 8.5.2.CD Mechanism Error Code Table (CD Mechanism 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 demo

18、nstration 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 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 fun

19、ction 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 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

20、 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 H16CD Closing AbnormalDuring operation POS_SW_CEN O

21、n 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 of 20ms. Press on main unit for next error. 9Tr

22、oubleshooting Guide 9.1.Part Location 9.1.1.SMPS P.C.B. Fig. 1 SMPS P.C.B. Thermistor : TH5861 Photocoupler : PC5720 AC Inlet : P5701 Fuse : F1 Photocoupler : PC5702, PC5799 Switching Regulator IC: IC5701 SMPS Control IC: IC5799 Main Transformer : T5701 Rectifier Diode : D5801, D5802 Connector: CN58

23、02 Sub Transformer : T5751 Sub Transformer : D5798 9.1.2.Main P.C.B. (Front Side) Fig. 2 Main P.C.B. (Front Side) Regulator Circuit IC2014 Fig. 3 Main P.C.B. (Back Side) 9.1.3.D-AMP P.C.B. Fig. 4 D-Amp P.C.B. Audio Digital Amp IC: IC5200 Audio Digital Amp IC: IC5000 Audio Digital Amp IC: IC5300 Audi

24、o Digital Amp IC: IC5400 Resistor DefectiveResistor Defective R5005 Resistor Defective R5004 Resistor Defective R5405 Resistor Defective R5402 R5201 Resistor Defective R5200 Resistor Defective R5010 Resistor Defective R5011 Resistor Defective R5411 Resistor Defective R5210 Resistor Defective R5211 R

25、esistor DefectiveResistor Defective R5305 Resistor Defective R5302 Resistor Defective Resistor Defective R5410 Resistor Defective R5311 Resistor Defective R5310 9.2.Troubleshooting Guide for F61 and/or F76 This section illustrates the checking procedures when upon detecting the error of “F61” and/or

26、 “F76” after power up of the unit. It is for purpose of troubleshooting and checking in SMPS, Main & D-Amp P.C.B. 5Switching Regulator 5IC5701 Faulty. . yt l uaF1575T6 Switching Mode Power Supply Control IC (IC5799) faulty. Set can ON1Speaker Output1Faulty speaker unit, Loose connection, Short. then

27、 F61 2D-AMP circuitD-AMP IC, IC5700, IC5800, IC5000, IC5200, IC5300, IC5400 defective. (Check DC voltage at speaker terminals, 3V and above defective) DC Voltage ok but no sound, check DC Voltage at Pin 1. 2a, 2b ok but no sound, check PWM waveform at Pin 10 and Pin 14 . If no PWM, 24 resistors defe

28、ctive. Set can ON 1Main Transformer T5701Short circuit between Pin 11 and Pin 12 . then F76 1b Short circuit between Pin 13 and Pin 14 . 1c Short circuit between Pin 16 and Pin 17 . 2 2 Regulator Circuits 2a 2b 2c 3 Q2022 faulty (No +5V output). 2d IC2014 faulty (No +3.3V output). 2e IC2011 faulty (

29、No +5V output). 2fL2001 Open. 3Photocoupler PC5720 solder crack, PC5720 Dry joint, short circuit, open circuit. 1Rectifier Diode D5801Improper contact between D5801 to Heatsink. Rectifier Diode D5802 TH5861 Improper contact between D5802 to Heatsink. Thermistor TH5860,1b Set trigger temperature prot

30、ection. Set can ON working normally for some time then F76 SymptomRemarks Set cannot ON1AC Cord1AC Cord Faulty, Loose connection. 2 3Fuse, F13Fuse, F1 Open. 4Photocoupler4PC5702/PC5799 solder crack. PC5702, PC5799Dry joint, short circuit, open circuit. IC2010 faulty (No +9V output). L2000 Open. Poss

31、ible Fault(s)Checking Items AC Inlet, P5701P5701 solder crack, dry joint. IC, IC5701 Main Transformer T5751 2 1a Refer to Section 9.1.1 Fig. 1. SMPS P.C.B. Refer to Section 9.1.2 Fig. 2. and Fig.3. Main P.C.B. Refer to Section 9.1.1 Fig. 1. SMPS P.C.B. Refer to Section 9.1.1 Fig. 1. SMPS P.C.B. Refe

32、r to Section 9.1.2 Fig. 3. Main P.C.B. and Section 9.1.3 Fig. 4. D-Amp P.C.B. Refer to Section 9.1.1 Fig. 1. SMPS P.C.B. 2b 2a 5V ok condition, 2.5V or 0V defective. 2c 1a 6a 6b D5798 faulty.6c For IC5000 (R5004, R5005, R5010, R5011). For IC5400 (R5402, R5405, R5410, R5411). For IC5200 (R5200, R5201

33、, R5210, R5211). For IC5300 (R5302, R5305, R5310, R5311). 9.3.D-Amp IC Operation & Control (MAX500) 1170 1250 H 350 1260 1450 L 301 1460 1540 H 350 1550 1710 L 301 Table 4: F_HOP Control during 10 kHz Step Note: During activating, the 3 control pins namely MUTE_F, MUTE_A and MODE_DA must be used to

34、cover the “Pop” sound cause by F-HOP switching. Service Fixture & Tools Prepare service tools before process service position. Ref. NoService ToolsRemarks SFT1Main P.C.B. (CN2007) - SMPS P.C.B. (CN5802)REX1552(15P Cable Wire) 10 Disassembly and Assembly Instructions Caution Note: ? This section desc

35、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 safe

36、ty 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

37、 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 requir

38、ed. ? Disassembly of Top Cabinet ? Disassembly of Front Panel Unit ? Disassembly of Mic P.C.B. ? Disassembly of Panel P.C.B. ? Disassembly of Memory LED P.C.B. ? Disassembly of Remote Sensor P.C.B. ? Disassembly of USB P.C.B. ? Disassembly of Music Port P.C.B. ? Disassembly of Top Bar LED P.C.B. ? D

39、isassembly of Bottom Bar LED P.C.B. ? Disassembly of Main P.C.B. ? Replacement of Voltage Regulator (IC2010) ? Replacement of Voltage Regulator (IC2011) ? Disassembly of D-Amp P.C.B. ? Replacement of Audio Digital Amp (IC5400) ? Replacement of Audio Digital Amp (IC5000) ? Replacement of Audio Digita

40、l Amp (IC5200) ? Replacement of Audio Digital Amp (IC5300) ? Disassembly of SMPS P.C.B. ? Replacement of Switching Regulator IC (IC5701) ? Replacement of Rectifier Diode (D5702) ? Replacement of Rectifier Diode (D5801) ? Replacement of Rectifier Diode (D5802) ? Replacement of Rectifier Diode (D5803)

41、 ? Disassembly of CD Mechanism Unit (BRS11C) ? Disassembly of CD Interface P.C.B. ? Disassembly of CD Servo P.C.B. ? Disassembly of Rear Panel 10.2.Disassembly Flow Chart 10.4. Top Cabinet 10.5. Front Panel Unit 10.14. Mic P.C.B. 10.6. FL Display P.C.B. 10.12. Remote Sensor P.C.B. 10.19. USB P.C.B.

42、Music Port P.C.B. Bottom Bar LED P.C.B. 10.19. Main P.C.B. 10.21. SMPS P.C.B. 10.20. D-Amp P.C.B. Voltage Regulator IC (IC2010) 10.22. Switching Regulator IC (IC5701) 10.23. Rectifier Diode (D5702, D5801) 10.24. Rectifier Diode (D5802, D5803) 10.17. CD Mechanism Unit (BRS11C) 10.25. CD Interface P.C

43、.B. CD Servo P.C.B. Rear Panel Voltage Regulator IC (IC2011) Amp IC (IC5800) Audio Digital Audio Digital Audio Digital Audio Digital Amp IC (IC5400) Amp IC (IC5000) Amp IC (IC5200) Amp IC (IC5300) Audio Digital Audio Digital Amp IC (IC5700) Memory LED P.C.B. 10.10. Volume LED P.C.B. 10.8. Control Jo

44、g P.C.B. 10.3.Main Components and P.C.B. Locations SMPS P.C.B. 10.4.Disassembly of Top Cabinet Step 1 Remove 3 screws. Step 2 Remove 3 screws. Step 3 Remove 5 screws. Step 4 Slightly pull both side of Top Cabinet outwards as arrow shown. Step 5 Slightly lift up both side of Top Cabinet in an outward

45、 direction as shown. Step 6 Remove the Top Cabinet. Caution: During assembling, ensure that the catches of the Top Cabinet catches are properly located & inserted into the Front Panel Unit as shown. Step 6 Release tabs at the bottom of the unit. Step 7 Remove the Front Panel Unit (Step 7) Front Pane

46、l Unit ? 10.5.DisassemblyofFrontPanel Unit ? Refer to “Disassembly of Top Cabinet”. Step 1 Remove 1 screw at the SMPS P.C.B. Step 4 Detach 30P FFC at the connector (CN2003) on Main P.C.B. Step 5 Detach 5P Wire at the connector (CN2700) on Main P.C.B. CN2003 CN2700 10.6.DisassemblyofFLDisplay P.C.B.

47、? Refer to “Disassembly of Top Cabinet”. ? Refer to “Disassembly of Front Panel Unit”. Step 1 Remove 6 screws. Step 2 Release 4 catches. Step 3 Lift up the FL Display P.C.B. Step 4 Detach 30P FFC at a connector (CN6000) on the FL Display P.C.B. Caution: During assembling, ensure that the FL Display

48、P.C.B. is properly located and fully catched onto Front Panel Unit. CN6000 10.8.Disassembly of Control P.C.B. ? Refer to “Disassembly of Top Cabinet”. ? Refer to “Disassembly of Front Panel Unit”. ? Refer to “Disassembly of FL Display P.C.B.”. Step 1 Remove the Control Knob. Step 2 Remove 2 screws.

49、Step 3 Remove the Side Cover. Step 4 Remove 4 screws. Step 5 From R part of P.C.B. Step 6 Release catches by following the sequences (1-3). Step 7 Detach 12P Cable at a connector (CN6010) on the Con- trol P.C.B. Caution: During assembling, ensure that the Control P.C.B. is properly located and fully catched onto the Front Panel Unit. 10.10. Disassembly of Volume P.C.B. ? Refer to “Disassembly of Top Cabinet”. ? Refer to “Disassembly of Front Panel Unit”. ? Refer to