Panasonic-SCHC395EG-cs-sm 电路图 维修手册.pdf

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1、 Panasonic Corporation 2016. All rights reserved. Unauthorized copying and distribution is a violation of law. PSG1602001CE Compact Stereo System Model No.SC-HC395EG SC-HC397EB SC-HC397EG Product Color: (K).Black Type (For HC395EG, HC397EG) (S).Silver Type (W).White Type (For HC395EG, HC397EG) TABLE

2、 OF CONTENTS PAGEPAGE 1 Safety Precautions- 3 1.1. General Guidelines- 3 1.2. Caution for AC Cord (For EB only)- 4 1.3. Before Repair and Adjustment- 4 1.4. Protection Circuitry- 4 1.5. Caution For Fuse Replacement- 4 1.6. Safety Part Information- 5 2 Warning- 6 2.1. Prevention of Electrostatic Disc

3、harge (ESD) to Electrostatically Sensitive (ES) Devices- 6 2.2. Precaution of Laser Diode- 7 2.3. Service caution based on Legal restrictions- 7 2.4. Handling Precaution for Traverse Unit - 8 3 Service Navigation- 9 3.1. Service Information - 9 3.2. Software Update through USB- 9 4 Specifications -1

4、0 5 Location of Controls and Components -11 5.1. Main Unit P1700 (2Pin) 0V to 3.3VChecking the system +3.3V circuit Check Main IC1108(3Pin) 3.3V (For HC395/HC397) Check Main IC1102(3Pin) 3.3V (For HC195/HC295/HC297) Checking the AC inlet jack Check Switching power module-ACinlet wire, copper pattern

5、 and solder condition. Checking fuse OPEN/blow Check the continuity of Switching power module F1 FUSE. Power ON but turn off immediatelyError contents?F76Check all for output SPEAKER shorted or presence of DC voltageCheck the IC400 overcurrent, overheating, failure of DSP DSP exchange. ? Error conte

6、nts?F61Check all LDO, DC-DC output supply ICs/devicesCheck the each power supply for short or OVP (eg AMP Vcc ,+12V,+5.6, +5.28V,+3.3,+1.8V) Power ON but FL display ERROR Error contents?F70 Check BT signal continuity to SoC/MCUMain BT & communication error of the microcomputer/SoC Main board exchang

7、e or BT module exchange. Error contents?F77 Check BT MAC address if loaded or notNO BT MAC address downloaded thus cannot recognize by SoC, failure of IC8001 or IC8004. Plug in AC cord FL display SMPS NGError contents?SMPS NG1) Check resistors region code setting of SMPS P.C.B and Main P.C.B mode co

8、de if matching. Refer to Table A : Replace SMPS P.C.B, It is wrong region Replace IC1106 if abnormal voltage Replace IC8001 (1.55V abnormal or L1108) Fuse OPEN/Blow After replacement, OPEN/Blow again pyppp y abnormalCheck the continuity of primary side power circuitShort-open power transformer, elec

9、trolytic diode IC switching power module. at AC cord connection (D1701,C1706,IC1700,T1700) After replacement, OPEN/Blow againThe secondary side of main power supplyCheck the continuity of secondary side power circuitShort-open power-electrolytic IC diode switching power module at Power ON abnormal(D

10、1700,C1703,IC1701) FL display FL display no show/full/abnormal segmentNO supply to FLcheck 12V LDO supply and FL5V supplyFL FL6801(31, 37Pin) FL pins shortedCheck FL pins for solder shortedFL FL6801 (all pins if shorted base on schematic) FL FL6801 pin (9, 12,15Pin) control signal line if have Door

11、Failure FL display Door ERRORError contents: Illegal OPENcheck motor switchesMotor PCB CN931 (1, 4Pin) (For HC395/HC397)，CN905 (3, 4Pin) (For HC195/HC295/HC297) Error contents: cannot OPEN/CLOSECheck motor ICMain IC5001 supply pins and solderability Audio confirmationNo audio output?CD play)Check th

12、e DSPIC400 (23Pin) 3.3V, check IC400 (25,30,31,36Pin) PWM waveform have or not No audio output?Tuner play: FM?Check IC52 power supply and solderability No audio output?AUX output: AUX)Check IC52 power supply and solderability No audio output?iPhone: USB)Check (MAIN) IC6001 for supply and solderabili

13、ty, connection to IC8001, USB 5V supply check (For HC195/HC295/HC297) No sound from front speakerCheck IC400 supply voltage pin 26 & 35 19.5V(For HC195/HC295/HC297), speaker connector connected CN400 and CN401 2) Check +1.55V at pin 3, IC1106 (+1.5V VOLTAGE REGULATOR ). 3) Check voltage at pin 40, I

14、C8001 (SoC). Refer to Table B : Audio confirmationPlace wireless equipment more than 2 meters away from main unit Change Main PCB if symptoms persist Change Main PCB if symptoms persist If all above are OK, replace BT module Bluetooth (BT) Module For SC-HC397, SC-HC395, SC-HC297, SC-HC295 only Sound

15、 skip from speakers (Bluetooth input) Check the radio wave interference of other wireless equipment (cordless phone, microwave oven, WiFi, other BT devices). Check and try to re-connect to speaker again via NFC or selecting from external source device the HCXXX again FL Display quickly then becomes

16、BLUETOOTH READY(PAIRING: OK) No sound from speakers (Bluetooth input) Check if can pair with other devices Factory Reset product FL Display becomes PAIRING FAIL (PAIRING: NG) Unable to view HCXXX in list of BT devices in external BT device (R1707) on SMPS P.C.B (R8041) on Main P.C.B RegionMODELRegio

17、nMODEL (R1707) on SMPS P.C.B (R8041) on Main P.C.B RegionMODEL (R1707) on SMPS P.C.B (R8041) on Main P.C.B Table A SMPS ID Region Setting SMPS ID Region Setting SMPS ID Region Setting Table B ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 3.9K33KGN 3.9K15KEG 3.9K8.2KGS 3.9K3.9KDBEB Op

18、en HC295 3.9K3.9KEBHC297 GTOpenP/PC 3.9K15K 3.9K33K EG/EF/EC/EE 3.9K15KEG PU 3.9K3.9KDBEB/DBEW 3.9K3.9KEB/EG 8.2K HC395 HC397 15K 3.9K33KPH/PR 15KHC195EG/EB3.9K 16 17 8Disassembly and Assembly Instructions Caution Note: This section describes the disassembly and/or assembly procedures for all major

19、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

20、 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 disassem

21、bly or replacement are required. Disassembly of Base Stand Unit Disassembly of Front Ornament Unit (L) & (R) Disassembly of Door Unit Disassembly of Door Base Disassembly of Front Panel Block Disassembly of Bridge P.C.B. Disassembly of Motor P.C.B. Disassembly of Gear Block & Arm Spring (Top) Disass

22、embly of Arm Spring, Gear Assembly & Arm Assembly Replacement of Gear Base Assembly Replacement of Arm Assembly Disassembly of Cam Rail Top & Door Slider Top Disassembly of Cam Rail Bottom & Door Slider Bottom Disassembly of NFC P.C.B. Disassembly of SMPS Unit Disassembly of SMPS P.C.B. Disassembly

23、of FL P.C.B. & Button Ornament Unit Disassembly of Button P.C.B. Disassembly of CD Mechanism Disassembly of CD Interface P.C.B. Disassembly of DAB Module and DAB Adapter P.C.B. (For HC397) Disassembly of Main P.C.B. Disassembly of Front Speaker (SP1) Disassembly of Front Speaker (SP2) Disassembly of

24、 Passive Radiator Unit (SP3) Disassembly of Passive Radiator Unit (SP4) Disassembly of Jack Lid 8.1.Service Fixture & Tools Prepare service tools before process service position. Ref. No.Service ToolsRemarks SFT1Main P.C.B. (P5003) - CD Interface P.C.B. (CN7002)REE1978 (24P FFC) SFT2Main P.C.B. (CN1

25、100) - SMPS P.C.B. (P1700)REX1538 (7P Wire) 18 8.2.Disassembly flow chart The following chart is the procedure for disassembling the casing and inside parts for internal inspection when carrying out the ser- vicing. To assemble the unit, reverse the steps shown in the chart below. For HC395 19 For H

26、C397 20 8.3.Types of Screws 8.4.Main Parts Location Diagram 21 8.5.Disassembly of Base Stand Unit Step 1 : Remove screw. Step 2 : Remove Base Stand Unit. 8.6.Disassembly of Front Orna- ment Unit (L) & (R) Note : The disassembling procedure for Front Ornament Unit (L) will be described here only. For

27、 Front Ornament Unit (R) please refer to the same proce- dure described here. Step 1 : Remove screw. Step 2 : Push Front Ornament Unit (L) upwards. Step 3 : Remove Front Ornament Unit (L). 22 8.7.Disassembly of Door Unit Refer to “Disassembly of Front Ornament Unit (L)” Step 1 : Lift up Door Unit. S

28、tep 2 : Slide Door Unit to open it. Step 3 : Slightly lift up Door Unit as arrow shown to release catches. Step 4 : Push Door Unit upwards. Step 5 : Remove Door Unit. 8.8.Disassembly of Door Base Refer to “Disassembly of Front Ornament Unit (L)” Refer to “Disassembly of Door Unit” Step 1 : Slide Doo

29、r Base to close it. Step 2 : Remove 4 screws. Step 3 : Push up to release Door Holder as arrow shown. Caution : During assembly, ensure Door Holder is lock as shown. Step 4 : Remove Door Base. 23 8.9.Disassembly of Front Panel Block Refer to “Disassembly of Front Ornament Unit (L) & (R)” Step 1 : Re

30、move 6 screws. Step 2 : Lift up Door Unit. Step 3 : Slide Door Unit to open it. Step 4 : Remove 2 screws. Step 5 : Slide Door Unit to close it. Step 6 : Release catches on Front Panel Block. Step 7 : Slightly lift up Front Panel Block. 24 Step 8 : Detach 14P FFC at connector (CN941) on Bridge P.C.B.

31、 Step 9 : Remove Front Panel Block. 8.10.Disassembly of Bridge P.C.B. Refer to “Disassembly of Front Ornament Unit (L) & (R)” Refer to “Disassembly of Front Panel Block” Step 1 : Remove screw. Step 2 : Release 5P wire from slot. Step 3 : Detach 5P wire at connector (P942) on Bridge P.C.B. Step 4 : R

32、elease catches. Step 5 : Remove Bridge P.C.B. 25 8.11.Disassembly of Motor P.C.B. Refer to “Disassembly of Front Ornament Unit (L) & (R)” Refer to “Disassembly of Front Panel Block” Step 1 : Release 5P wire from slots. Step 2 : Remove screw. Step 3 : Remove screw. Step 4 : Lift up Motor P.C.B. Cauti

33、on : During assembly, avoid using electric screw- driver to prevent overrun for type screw. Step 5 : Detach 5P wire at connector (CN931) on Motor P.C.B. Step 6 : Desolder pins on solder side of Motor P.C.B. Step 7 : Remove Motor P.C.B. 8.12.Disassembly of Gear Block & Arm Spring (Top) Refer to “Disa

34、ssembly of Front Ornament Unit (L) & (R)” Refer to “Disassembly of Door Unit” Refer to “Disassembly of Front Panel Block” Step 1 : Push up to release Door Holder as arrow shown. Caution : During assembly, ensure Door Holder is lock as shown. Step 2 : Release 5P wire from slots. Step 3 : Detach 5P wi

35、re at connector (P942) on Bridge P.C.B. 26 Step 4 : Release Arm Spring (Top) from ribs. Step 5 : Remove Arm Spring (Top). Step 6 : Remove 2 screws. Step 7 : Release guide from slot. Step 8 : Remove Gear Block. 8.13.Disassembly of Arm Spring, Gear Assembly & Arm Assem- bly Refer to “Disassembly of Fr

36、ont Ornament Unit (L) & (R)” Refer to “Disassembly of Door Unit” Refer to “Disassembly of Front Panel Block” Refer to “Disassembly of Gear Block & Arm Spring (Top)” Step 1 : Release Arm Spring from ribs. Step 2 : Remove Arm Spring. 27 Step 3 : Remove screw. Step 4 : Release catches. Step 5 : Remove

37、Gear Cover. Step 6 : Remove Arm Assembly & Gear Assembly. Caution : During assembling, position & align Gear B with the indicated arrow on Gear Assembly. 28 8.14.Replacement of Gear Assem- bly Refer to “Disassembly of Front Ornament Unit (L) & (R)” Refer to “Disassembly of Door Unit” Refer to “Disas

38、sembly of Front Panel Block” Refer to “Disassembly of Gear Block & Arm Spring (Top)” Refer to “Disassembly of Arm Spring, Gear Assembly & Arm Assembly” 8.14.1.Disassembly of Belt, Pulley Gear, Gear B & Gear A Step 1 : Remove Belt. Step 2 : Remove Pulley Gear. Step 3 : Remove Gear B. Step 4 : Remove

39、Gear A. Caution : During assembling, turn Gear A, Gear B and Pul- ley Gear a few time to match gear teeth with other gear before push to fix it. 8.14.2.Disassembly of Gear C Refer to “Disassembly of Belt, Pulley Gear, Gear B & Gear A” Step 1 : Remove Gear C. 29 8.14.3.Disassembly of Motor Assembly R

40、efer to “Refer to (Step 1) of item 8.14.1.” Step 1 : Desolder pins on solder side of Motor P.C.B. Step 2 : Release 2P wire from slot. Step 3 : Release catches. Step 4 : Remove Motor Assembly. Caution : During assembling, position & align Motor wire with the guide on Gear Base, A “click” sound is hea

41、rd when Motor is fully catched. 8.15.Replacement of Arm Assembly Refer to “Disassembly of Front Ornament Unit (L) & (R)” Refer to “Disassembly of Door Unit” Refer to “Disassembly of Front Panel Block” Refer to “Disassembly of Gear Block & Arm Spring (Top)” Refer to “Disassembly of Arm Spring, Gear A

42、ssembly & Arm Assembly” 8.15.1.Disassembly of Drive Gear, Door Holder & Gear Shaft Step 1 : Release and push Door Holder to the middle of Gear Shaft. Caution : During assembling, ensure Door Holder is in lock position as shown. Step 2 : Push Door Arm Bottom and Door Arm Top to release guide and remo

43、ve Gear Shaft Assembly. 30 Step 3 : Remove Drive Gear, Door Holder & Gear Shaft. Caution : During assembling, ensure Door Holder Rib is parallel into the Gear Shaft. 8.15.2.Disassembly of Arm Bracket Metal, Door Arm Top & Door Arm Bottom Refer to “Disassembly of Drive Gear, Door Holder & Gear Shaft”

44、 Step 1 : Remove 2 screws. Step 2 : Remove Arm Bracket Metal, Door Arm Top & Door Arm Bottom. 31 8.16.Disassembly of Cam Rail Top & Door Slider Top Refer to “Disassembly of Front Ornament Unit (L) & (R)” Refer to “Disassembly of Door Unit” Refer to “Disassembly of Front Panel Block” Step 1 : Remove

45、2 screws. Step 2 : Remove 2 screws. Step 3 : Slightly lift up to remove Cam Rail Top. Caution : During assembling, ensure Door Slider Bottom is properly inserted into Cam Rail Bottom. Step 4 : Remove Door Slider Top. 32 8.17.Disassembly of Cam Rail Bot- tom & Door Slider Bottom Refer to “Disassembly

46、 of Front Ornament Unit (L) & (R)” Refer to “Disassembly of Door Unit” Refer to “Disassembly of Front Panel Block” Refer to “Disassembly of Gear Block & Arm Spring (Top)” Step 1 : Remove 2 screws. Step 2 : Slightly lift up to remove Cam Rail Bottom. Caution : During assembling, ensure Door Slider Bo

47、ttom is properly inserted into slot of Cam Rail Bottom. Step 3 : Remove Door Slider Bottom. 33 8.18.Disassembly of NFC P.C.B. Refer to “Disassembly of Front Ornament Unit (L) & (R)” Refer to “Disassembly of Front Panel Block” Step 1 : Remove screw. Step 2 : Slightly lift up to remove Support P.C.B. Step 3 : Lift up NFC P.C.B. Step 4 : Detach 2P wire at connector (CN7001) on NFC P.C.B. Step 5 : Remove NFC P.C.B. 34 8.19.Disassembly of SMPS Unit Refer to “Disass