Panasonic-SCMAX750PH-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. PSG1307006CE CD Stereo System Model No.SA-MAX750PH SC-MAX750PH Product Color: (K).Black Type TABLE OF CONTENTS PAGEPAGE 1 Safety Precautions- 3 1.1. General Guidelines- 3 1.2. Before Repair

2、 and Adjustment- 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 re

3、strictions- 8 2.4. Handling Precautions for Traverse Assy- 9 2.5. Grounding for electrostatic breakdown prevention -10 3 Service Navigation-11 3.1. Service Information -11 3.2. Firmware Update Procedure- 11 4 Specifications- 12 5 General/Introduction- 13 5.1. Media Information- 13 6 Location of Cont

4、rols and Components- 14 6.1. Remote Control Key Button Operation - 14 6.2. Main Unit Key Button Operation- 15 7 Service Mode- 16 7.1. Cold-Start - 16 7.2. Doctor Mode Table- 18 7.3. Reliability Test Mode (CD Mechanism Unit)- 21 7.4. Self-Diagnostic Mode - 22 7.5. Self-Diagnostic Error Code Table- 22

5、 7.6. Sales Demonstration Lock Function - 23 8 Troubleshooting Guide - 24 9 Disassembly and Assembly Instructions- 25 Please refer to the original service manual for: CD Mechanism Unit, Mechanism (BRS11C) Order No. PSG1201019AE Speaker system SB-MAX750PHK, Order No. PSG1307007AE RadioFans.CN 收音机爱 好者

6、资料库 2 9.1. Screw Types-25 9.2. Disassembly Flow Chart-26 9.3. Main Components and P.C.B. Locations-27 9.4. Disassembly of Top Cabinet-28 9.5. Disassembly of Front Panel Unit-29 9.6. Disassembly of FL Display P.C.B. -30 9.7. Disassembly of Bluetooth P.C.B.-30 9.8. Disassembly of Illumination Button P

7、.C.B.-31 9.9. Disassembly of Control P.C.B.-31 9.10. Disassembly of Control Jog LED P.C.B.-33 9.11. Disassembly of Volume P.C.B.-33 9.12. Disassembly of Volume Jog LED P.C.B. -35 9.13. Disassembly of Remote Sensor P.C.B.-35 9.14. Disassembly of USB P.C.B. -35 9.15. Disassembly of Mic P.C.B.-36 9.16.

8、 Disassembly of LED P.C.B.-36 9.17. Disassembly of CD Lid-37 9.18. Disassembly of Rear Panel-37 9.19. Disassembly of CD Mechanism Unit-38 9.20. Disassembly of Main P.C.B.-39 9.21. Disassembly of SMPS P.C.B.-40 9.22. Disassembly of Tuner P.C.B.-41 9.23. Disassembly of CD Interface P.C.B.-41 10 Servic

9、e Position-42 10.1. Checking of FL Display P.C.B., Control P.C.B., Volume P.C.B., Mic P.C.B. and USB P.C.B. -42 10.2. Checking of Main P.C.B. (Side B)-43 10.3. Checking of Main P.C.B. (Side A)-43 10.4. Checking of SMPS P.C.B.-44 11 Block Diagram -45 11.1. Servo X : NG (In case that time out happens.

10、) : 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 (He

11、x) 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 conn

12、ected 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),

13、 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. 21 7.3.Reliability Test Mode (CD Mechanism Unit) Below is the process flow chart of the aging test for the CD Mechanism Unit . Fig. 7-1. Reliabili

14、ty Test (Loading) Fig. 7-2. Reliability Test (Traverse) Fig. 7-3. 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 Ope

15、n Operation Open wait for 1 s CLOSE Operation Count up First Track Last Track Last Track Play 10 s 22 7.4.Self-Diagnostic Mode 7.5.Self-Diagnostic Error Code Table Self-Diagnostic Function (Refer Section 7.4. Self-Diagnostic Mode) provides information on any problems occurring for the unit and its r

16、espective 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. 7.5.1.Power Supply Error Code Table FL Display Key Operation Front Key Item

17、 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 Error code information Delete error code Step 1: Select CD mode (Ensure no disc is inserted). Step 2: Pre

18、ss & hold button follow by on main unit for 2 seconds. Step 1: In self diagnostic mode, Press on main unit. To unit or remote control. Step 1: In self diagnostic mode, Press 0 on remote control. To unit or remote control. Example: / Cold StartTo active cold start upon next AC power up when reset sta

19、rt is execute the next time. In self diagnostic mode: 1. Press 3 button on the remote control. exit, press /I on main exit, press /I on main 23 7.5.2.CD Mechanism Error Code Table (CD Mechanism Unit) 7.6.Sales Demonstration Lock Function 7.6.1.Entering into Sales demonstration lock mode Here is the

20、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 display will show upon entering into this mode for 2 sec. Note: OPEN/CLOSE button is invalid and the main un

21、it displays “LOCKED” while the lock function mode is entered. 7.6.2.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 e

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

23、g 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 LSI and micro-p abnormal. During switch to CD func- tion, if SENSE = “L” within failsafe time of 20ms.

24、 Press on main unit for next error. 24 8Troubleshooting Guide Contents for this section is not available at time of issue 25 9Disassembly and Assembly Instructions Caution Note: This section describes the disassembly and/or assembly procedures for all major printed circuit boards & main components f

25、or 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 precautions & procedures are followed. During the disassembly and/or assembly process, please handle with

26、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 assembly, please ensure proper service tools, equipments or jigs is being used. During replacement of component pa

27、rts, 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. Disassembly of Top Cabinet Disassembly of Front Panel Unit Disassembly of FL Display P.C.B. Disassembly of Bluetoot

28、h P.C.B. Disassembly of Illumination Button P.C.B. Disassembly of Control P.C.B. Disassembly of Control Jog LED P.C.B. Disassembly of Volume P.C.B. Disassembly of Volume Jog LED P.C.B. Disassembly of Remote Sensor P.C.B. Disassembly of USB P.C.B. Disassembly of Mic P.C.B. Disassembly of LED P.C.B. D

29、isassembly of CD Lid Disassembly of Rear Panel Disassembly of CD Mechanism Unit Disassembly of Main P.C.B. Disassembly of SMPS P.C.B. Disassembly of Tuner P.C.B. Disassembly of CD Interface P.C.B. 9.1.Screw Types 26 9.2.Disassembly Flow Chart 9.4. Top Cabinet 9.5. Front Panel Unit 9.6. FL Display P.

30、C.B. 9.9. Control P.C.B. 9.10. Control Jog LED P.C.B. 9.8. Illumination Button P.C.B. 9.12. Volume Jog LED P.C.B. 9.13. Remote Sensor P.C.B. 9.11. Volume P.C.B. 9.14. USB P.C.B. 9.15. Mic P.C.B. 9.16. LED P.C.B. 9.17. CD Lid 9.19. CD Mechanism Unit P.C.B. 9.20. Main P.C.B. 9.21. SMPS P.C.B. 9.22. Tu

31、ner P.C.B. 9.18. Rear Panel 9.23. CD Interface 9.7. Bluetooth P.C.B. 27 9.3.Main Components and P.C.B. Locations 28 9.4.Disassembly of Top Cabinet Step 1 Remove 3 screws. Step 2 Remove 3 screws. Step 3 Remove 5 screws. Step 4 Slightly release both sides of the Top Cabinet as arrow shown. Step 5 Slig

32、htly lift up the Top Cabinet. Step 6 Remove the Top Cabinet. Caution: During assembling, ensure that the Top Cabinet is located & inserted into the Front Panel Unit as shown. 29 9.5.Disassembly of Front Panel Unit Refer to “Disassembly of Top Cabinet”. Step 1 Remove 1 screw. Step 2 Remove the Wire C

33、lamper. Step 3 Detach 10P FFC at the connector (CN2002) on Main P.C.B. Step 4 Detach 11P Cable at the connector (CN2001) on Main P.C.B. Step 5 Detach 30P FFC at the connector (CN2004) on Main P.C.B. Step 6 Detach 10P FFC at the connector (FP3002) on Main P.C.B. Step 7 Detach 5P Wire at the connector

34、 (FP3001) on Main P.C.B. Step 8 Remove 1 screw. Step 9 Release tabs at the bottom of the unit. Step 10 Detach to remove the Front Panel Unit 30 9.6.Disassembly of FL Display P.C.B. Refer to “Disassembly of Top Cabinet”. Refer to “Disassembly of Front Panel Unit”. Step 1 Remove 6 screws. Step 2 Relea

35、se catches. Step 3 Lift up the FL Display P.C.B. Step 4 Detach 30P FFC at the connector (CN6002) on FL Dis- play P.C.B. Step 5 Remove the FL Display P.C.B. Caution: During assembling, ensure that the FL Display P.C.B. is properly located and fully catched onto the Front Panel Unit. 9.7.Disassembly o

36、f Bluetooth 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 4 screws. 31 Step 2 Lift up to remove the Bluetooth Holder from the Front Panel Unit. Step 3 Release catch. Caution: During assembling, ens

37、ure that the Bluetooth P.C.B. is properly guided and fully catched onto the Blue- tooth Holder. Step 4 Remove the Bluetooth P.C.B. 9.8.Disassembly of Illumination Button P.C.B. Refer to “Disassembly of Top Cabinet”. Refer to “Disassembly of Front Panel Unit”. Step 1 Remove 2 screws. Step 2 Detach 2P

38、 Cable at the connector (CN6800) on Illumi- nation Button P.C.B. Step 3 Lift up to remove the Illumination Button P.C.B. 9.9.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

39、 Control Knob. 32 Step 2 Remove 2 screws. Step 3 Remove the Side Cover. Step 4 Remove 4 screws. Step 5 Detach 6P FFC at the connector (CN6111) on Control Jog LED P.C.B. Step 6 Release catches in the sequences of 1 to 3. Caution: During assembling, ensure that the Control P.C.B. is properly located a

40、nd fully catched onto the Front Panel Unit. 33 Step 7 Detach 12P Cable at the connector (CN6200) on Con- trol P.C.B. 9.10.Disassembly of Control Jog LED 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.”. Refer to “Di

41、sassembly of Control P.C.B.”. Step 1 Lift up to remove the Control Jog LED P.C.B. Caution: During assembling, ensure that the Control Jog LED P.C.B. is properly located & fully inserted into the Front Panel Unit. 9.11.Disassembly of Volume P.C.B. Refer to “Disassembly of Top Cabinet”. Refer to “Disa

42、ssembly of Front Panel Unit”. Refer to “Disassembly of FL Display P.C.B.”. Refer to “Disassembly of Control P.C.B.”. Step 1 Remove the Volume Knob. Step 2 Remove 2 screws. Step 3 Remove the Side Cover. 34 Step 4 Remove 5 screws. Step 5 Detach 6P FFC at the connector (CN6112) on Volume Jog LED P.C.B.

43、 Step 6 Detach 4P Cable at the connector (CN5700) on LED P.C.B. Step 7 Detach 2P Cable at the connector (CN6800) on Illumi- nation Button P.C.B. Step 8 Detach 8P Cable at the connector (CN6103) on Mic P.C.B. Step 9 Release catches in the sequences of 1 to 4. Caution: During assembling, ensure that t

44、he Volume P.C.B. is properly inserted and fully catched onto the Front Panel Unit. 35 9.12.Disassembly of Volume Jog LED 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.”. Refer to “Disassembly of Control P.C.B.”. Refer to “Disassembly of Volume P.C.B.”. Ste