Panasonic-SAHT40P-avc-sm 电路图 维修手册.pdf

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1、nAMPLIFIER SECTION RMS output power of each channel driven 10 % total harmonic distortion 1 kHz front CH 90 W per channel (4 ) 1 kHz surround CH 90 W per channel (4 ) 1 kHz center CH 220 W per channel (6 ) 100 Hz subwoofer CH 200 W per channel (4 ) Total RMS output power800 W Rated minimum sine wave

2、 RMS power output 1% total harmonic distortion (Dolby Digital mode) 120 Hz to 20 kHz front CH 36 W per channel (4 ) 120 Hz to 20 kHz surround CH 36 W per channel (4 ) 120 Hz to 20 kHz center CH 104 W per channel (6 ) 45 Hz to 120 Hz subwoofer CH 104 W per channel (6 ) Total FTC output power352 W Rat

3、ed minimum sine wave RMS power output 1% total harmonic distortion (Stereo mode) 120 Hz to 20 kHz front CH 64 W per channel (4 ) 45 Hz to 120 Hz subwoofer CH 140 W per channel (6 ) Total FTC output power268 W 2006 Matsushita Electric Industrial Co. Ltd. All rightsreserved.Unauthorizedcopyingand dist

4、ribution is a violation of law. SA-HT40P SA-HT40PC Colour (S).Silver Type Total harmonic distortion Half power at 1 kHz (Front CH)0.1% (4 ) Input sensitivity DVR/DVD-P, TV450 mV, IHF66 S/N (IHF A) DVR/DVD-P, TV85 dB (85 dB, IHF66) Input impedance DVR/DVD-P, TV47 k Tone controls BASS50 Hz, +10 to -10

5、 dB TREBLE20 kHz, +10 to -10 dB Digital input OPTICAL2 COAXIAL1 nFM TUNER SECTION Frequency range 87.9 MHz to 107.9 MHz Sensitivity11.2 dBf (2 V, IHF58) 50 dB quieting sensitivity MONO 18.3 dBf (4.5 V, IHF58) STEREO 38.3 dBf (45 V, IHF58) Total harmonic distortion MONO0.3% STEREO0.4% S/N MONO71 dB S

6、TEREO65 dB Frequency response AV Control Receiver Specification ORDER NO. MD0512501C1 A1 RadioFans.CN 收音机爱 好者资料库 20 Hz to 15 kHz, +1 dB, -2 dB Image rejection at 98 MHz40 dB Stereo separation 1 kHz40 dB Antenna terminal75 (unbalanced) nAM TUNER SECTION Frequency range530 kHz to 1710 kHz nGENERAL Pow

7、er supplyAC 120 V, 60 Hz Power consumption100 W Dimensions (W H D) 430 mm x 105 mm x 352 mm (16-15/16” x 4-1/8” x 13-27/32”) Mass3.8 kg (8.4 lb.) Power consumption in standby mode:1 W nSYSTEM System: SC-HT40 (P)Main unit: SA-HT40 (P) Front speakers: SB-PF40 (P) Surround speakers: SB-PS40 (P) 1 Safet

8、y Precautions 4 1.1. General Guidelines 4 1.2. Before Repair and Adjustment 4 1.3. Protection Circuitry 5 1.4. Caution for Fuse Replacement 5 2 Prevention of Electro Static Discharge (ESD) to Electrostatically Sensitive (ES) Devices 5 3 Handling the Lead Solder 6 3.1. About Lead Free Solder (PbF) 6

9、4 Accessories 7 5 Operation Procedures 8 5.1. Remote Control Operation 8 5.2. Main Unit Operation 9 6 New Features 11 6.1. Wireless 11 6.2. Music Port 11 7 Self Diagnosis and Special Mode Setting 12 7.1. Doctor Typically the melting point is 50 - 70F (30 - 40C) higher. Please use a high temperature

10、soldering iron. In case of the soldering iron with temperature control, please set it to 700 20F (370 10C). Pb free solder will tend to splash when heated too high (about 1100F/600C). When soldering or unsoldering, please completely remove all of the solder on the pins or solder area, and be sure to

11、 heat the soldering points with the Pb free solder until it melts enough. 6 SA-HT40P / SA-HT40PC 4 Accessories AC power cord FM indoor antenna AM loop antenna Remote control 7 SA-HT40P / SA-HT40PC 5 Operation Procedures 5.1. Remote Control Operation 8 SA-HT40P / SA-HT40PC 5.2. Main Unit Operation 9

12、SA-HT40P / SA-HT40PC 10 SA-HT40P / SA-HT40PC 6.1. Wireless 6.2. Music Port 6 New Features 11 SA-HT40P / SA-HT40PC 7 Self Diagnosis and Special Mode Setting This unit is equipped with function for checking and inspecting namely: Self-Diagnostic and Test Mode. 7.1. Doctor *is current version. * Volume

13、 is still increased but not displayed. Volume DownCheck for EEPROM * is checksum. If no ROM correction, and when EEPROM is not attach, display NO_EEPROM * Volume is still reduced but not displayed. SUBWDVR/DVD-P-All CH printed out-18dB/0dB LEVELNo changeSURROUNDScan the test noise output channel wit

14、h 500ms intervals. -18dB/0dB -/LTVSTEREOBalance is set to leftmost.-18dB/0dB +/RTVSTEREOBalance is set to rightmost-18dB/0dB 12 SA-HT40P / SA-HT40PC 7.2. Error Code Table Self- Diagnosis Function provides information on any problems occuring for the units and its respective parts by displaying error

15、 codes. Error CodeDiagnosis Contents Description of errorAutomatic FL DisplayRemarks OVERLOADSpeaker short, power amplifier failure Digital amplifier abnormal operation BothSHORT_DET& FAN_LOCKsignalis detectedasactivehigh while DC_DET signal is active low. FAN LOCKDetection of FAN LOCK BothSHORT_DET

16、& DC_DETsignalis detectedasactivehigh while FAN_LOCK signal is active low. * When any button is next press when in this condition. All channels into muting. F76Detection of POWER MALFUNCTION & abnormal operation BothFAN_LOCK& DC_DETsignalis detectedasactivehigh whileSHORT_DETis active low. F70Detect

17、ion of POWER MALFUNCTION & abnormal operation 13 SA-HT40P / SA-HT40PC 8 Assembling and Disassembling 8.1. Caution “Attention Servicer” Some chassis components may have sharp edges. Be careful when disassembling and servicing. 1. This section describes procedures for checking the operation of the maj

18、or printed circuit boards and replacing the main components. 2. For reassembly after operation checks or replacement, reverse the respective procedures. Special reassembly procedures are described only when required. 3. Select items from the following index when checks or replacement are required. 4

19、. Refer to the Parts No. on the page of “Replacement Parts List” (Section 18), if necessary. Below is the list of disassembly procedures Disassembly of Top Cabinet Disassembly of Rear Panel Disassembly of Front Panel Disassembly of Panel P.C.B., Music Port P.C.B. & Volume P.C.B. Disassembly of Main

20、P.C.B. Disassembly of DSP P.C.B. Disassembly of AC In P.C.B. Disassembly of Power P.C.B. Disassembly of Digital Amp P.C.B. Caution Do ensure the correct screw is uses. 8.2. Disassembly Flow Chart The following chart is the procedure for disassembling the casing and inside parts for internal inspecti

21、on when carrying out the servicing. To assemble the unit, reverse the steps shown in the chart as below. 14 SA-HT40P / SA-HT40PC 8.3. Main Parts Location 15 SA-HT40P / SA-HT40PC Step 1: Remove 2 screws. Step 2 : Remove 2 screws at rear panel. Step 1 : Remove 11 screws at rear panel. Step 2 : Detach

22、wire connector (CN5500) at Digital Amp P.C.B. Step 3 : Release 2 catches and pull the rear panel backwards as the arrow shown. Step 3 : Open and lift up the top cabinet as arrow shown. 8.4. Disassembly of Top Cabinet 8.5. Disassembly of Rear Panel Follow the (Step 1) - (Step 3) of item 8.4. - Disass

23、embly of Top Cabinet 16 SA-HT40P / SA-HT40PC Step 1 : Detach the wire connections (CN400, CN402 & CN401) at Main P.C.B. and (CN801) Power P.C.B. Step 2 : Release 3 catches. Step 1 : Remove the volume knob as picture shown. Step 2 : Remove 2 screws grounding wires as picture shown. Caution: Remember

24、to screw the 2 grounding wires during assembly. Step 3 : Remove 4 screws as picture shown. Step 3 : Release 2 catches. Step 4 : Push forward front panel as the arrow shown. Disassembly of Panel P.C.B. and Music Port P.C.B. Step 4 : Remove 9 screws at Panel P.C.B. Step 5 : Remove 2 screws at Music Po

25、rt P.C.B. 8.6. Disassembly of Front Panel Follow the (Step 1) - (Step 3) of item 8.4. - Disassembly of Top Cabinet 8.7. Disassembly of Panel P.C.B., Music Port P.C.B. & Volume P.C.B. Follow the (Step 1) - (Step 3) of item 8.4. - Disassembly of Top Cabinet Follow the (Step 1) - (Step 4) of item 8.6.

26、- Disassembly of Front Panel 17 SA-HT40P / SA-HT40PC Step 1 : Remove 5 screws at Main P.C.B. Step 2 : Disconnect FFC cables (CN400, CN402, CN401, CN800, CN802, CN904A, CN200A and CN403A) at Main P.C.B. . Step 3 : Disconnect 2 connectors (CN906 & CN405) at DSP P.C.B. Disassembly of Volume P.C.B. Step

27、 6 : Remove 3 screws at Volume P.C.B. Step 7 : Release 2 clutchs. Step 4 : Lift up and remove the Main P.C.B. as picture shown. 8.8. Disassembly of Main P.C.B. Follow the (Step 1) - (Step 3) of item 8.4. - Disassembly of Top Cabinet Follow the (Step 1) - (Step 3) of item 8.5. - Disassembly of Rear P

28、anel 18 SA-HT40P / SA-HT40PC Step 1 : Remove 3 screws at rear panel. Step 2 : Remove 2 screws at DSP P.C.B. Step 1 : Remove 1 screw at rear panel. Step 2 : Remove 1 screw at AC In P.C.B. Step 3 : Lift up and place AC In P.C.B. as picture shown. Step 3 : Disconnect 4 connectors (CN906, CN904B, CN405

29、&CN403B) at DSP P.C.B. Step 4 : Lift up and remove the DSP P.C.B. as the arrow shown. Note: Caution when lift up the AC In P.C.B. 8.9. Disassembly of DSP P.C.B. Follow the (Step 1) - (Step 3) of item 8.4. - Disassembly of Top Cabinet 8.10. Disassembly of AC In P.C.B. Follow the (Step 1) - (Step 3) o

30、f item 8.4. - Disassembly of Top Cabinet 19 SA-HT40P / SA-HT40PC Step 1 : Remove 5 screws at Power P.C.B. Step 2 : Disconnect 2 connectors (CN800 & CN802) at Main P.C.B. Step 3 : Disconnect 1 connector (CN801) at Power P.C.B. Step 4 : Disconnect 1 connector (CN850) at Digital Amp P.C.B. Step 5 : Lif

31、t up the Power P.C.B. as picture shown. Replacement of the Power Supply IC and Diode Step 6 : Remove 1 screw (from IC700). Step 7 : Remove 3 screws (from IC800, D855 and D856). Step 8 : Flip over the Power P.C.B. Step 9 : Desolder the terminal to replace the components. 8.11. Disassembly of Power P.

32、C.B. Follow the (Step 1) - (Step 3) of item 8.4. - Disassembly of Top Cabinet Follow the (Step 1) - (Step 3) of item 8.10. - Disassembly of AC In P.C.B. 20 SA-HT40P / SA-HT40PC Step 1 : Remove 3 screws at rear panel. Step 2 : Detach FFC cables (CN5500, CN200B & CN850) at Digital Amp P.C.B. Step 3 :

33、Remove 5 screws at Digital Amp P.C.B. Step 4 : Lift up and remove the Digital Amp P.C.B. as arrow shown. 8.12. Disassembly of Digital Amp P.C.B. Follow the (Step 1) - (Step 3) of item 8.4. - Disassembly of Top Cabinet Follow the (Step 1) - (Step 3) of item 8.10. - Disassembly of AC In P.C.B. 21 SA-H

34、T40P / SA-HT40PC Replacement of the Power Amp IC Step 5 : Remove 4 screws at the IC Clamp. Step 6 : Flip over Digital Amp P.C.B. Step 7 : Desolder the terminal to replace the components. 22 SA-HT40P / SA-HT40PC 9 Service Position Note: Checking of all Major P.C.B. (Main P.C.B., DSP P.C.B., AC In P.C

35、.B., Digital Amp P.C.B., Power P.C.B., Panel P.C.B., Music Port P.C.B. & Volume P.C.B.) can be carried out using below procedures. For the disassembling procedure, see Section 8. 9.1. Checking the DSP P.C.B. (Side A) & AC In P.C.B. 9.2. Checking the DSP P.C.B. (Side B) 23 SA-HT40P / SA-HT40PC 9.3. C

36、hecking the Panel P.C.B., Music Port P.C.B. and Volume P.C.B. 24 SA-HT40P / SA-HT40PC 9.4. Checking the Main P.C.B., Power P.C.B. & Digital Amp P.C.B. 25 SA-HT40P / SA-HT40PC 10 Voltage Measurement and Waveform Chart Notes: Indicated voltage values are the standard values for the unit measured by th

37、e DC electronic circuit tester (higher-impedance) with the chassis taken as standard. Therefore, there may exist some errors in the voltage values, depending on the internal impedance of the DC circuit tester. Circuit voltage and waveform described herein shall be regarded as reference information w

38、hen probing defect point, because it may differ from an actual measuring value due to difference of Measuring instrument and its measuring condition and product itself. 10.1. Voltage Measurement 10.1.1. DSP P.C.B. Ref No. MODE1234567891011121314151617181920 CD PLAY2.500.902.50.30.42.52.52.52.52.502.

39、52.52.52.52.52.52.5 STANDBY000000.10.100000000000.100 Ref No. MODE2122232425262728293031323334353637383940 CD PLAY2.50.902.51.21.30.91.21.21.202.51.22.502.52.52.522 STANDBY00.1000.100.10.10.10.10-0.30000.1000.10.1 Ref No. MODE41424344 CD PLAY2.21.31.21.2 STANDBY0.10.10.10.1 Ref No. MODE12345678 CD P

40、LAY1.21.21.301.21.21.22.5 STANDBY0.10.10.100.20.10.10 Ref No. MODE1234567891011121314 CD PLAY00.60.300.70.402.54.702.54.702.5 STANDBY02.12.102.12.100000000 Ref No. MODE1234567891011121314 CD PLAY01.15000052.5052.500 STANDBY000.1000.100.1000.1000 Ref No. MODE1234567891011121314151617181920 CD PLAY0.9

41、1.21.25050.70.10.73.654.72.82.82.82.82.84.8 00 STANDBY000000000000000000.3 00 Ref No. MODE2122232425262728293031323334353637383940 CD PLAY000002.82.82.82.82.82.82.82.82.82.82.82.85 00 STANDBY000000.30.30.30.30.30.30.30.30.30.30.30.30 00 Ref No. MODE4142434445464748495051525354555657585960 CD PLAY5.1

42、2.50001.1002.50502.50.91.20.900 1.21.2 STANDBY000000000.1000000.1000 00.1 Ref No. MODE61626364 CD PLAY0000 STANDBY0.100.10.1 Ref No. MODE12345678 CD PLAY2.72.82.8-7.62.82.82.87.3 STANDBY0.20.20.20.40.20.20.20.6 Ref No. MODE12345678 CD PLAY2.72.82.8-7.62.82.82.87.3 STANDBY0.20.20.20.40.20.20.20.6 Ref

43、 No. MODE12345678 CD PLAY2.72.82.8-7.62.82.82.87.3 STANDBY0.20.20.20.40.20.20.20.6 Ref No. MODE123 CD PLAY5-2.5 STANDBY0-0 Ref No. MODEECBECBECBECB CD PLAY2.52.52.5 6.76.35.65.66.355.66.35.6 STANDBY0000.10.60.60.10.60000.1 IC1202 IC1203 IC1701 Q1001Q1701Q1702Q1703 IC1101 IC1101 IC1101 IC1201 IC1003

44、IC1004 IC1005 IC1101 ? IC1001 IC1001 IC1001 26 SA-HT40P / SA-HT40PC 10.1.2. Main P.C.B. Ref No. MODE1234567891011121314151617181920 CD PLAY00000000000-7.700000000 STANDBY000000000000.400.1000000 Ref No. MODE2122232425262728293031323334353637383940 CD PLAY0000057.50000-7.600000000 STANDBY000000.50.60

45、000.10.10.10.100000.10.1 Ref No. MODE41424344454647484950515253545556 CD PLAY0000000000000-0.3-0.3-0.4 STANDBY0.10.100000.10.10.10.1000.50.50.50.5 Ref No. MODE12345678 CD PLAY000-7.70007.5 STANDBY0.10.100.50.10.10.10.6 Ref No. MODE12 CD PLAY910.3 STANDBY00.6 Ref No. MODE12345678 CD PLAY-0.20-7.70007

46、.5 STANDBY0000.40000.6 Ref No. MODE12345678 CD PLAY000-7.70007.5 STANDBY0.10.10.5000.10.10.6 Ref No. MODE12345678 CD PLAY000-7.70007.5 STANDBY000.10.40.1000.6 Ref No. MODE12345678 CD PLAY000-7.70007.5 STANDBY0.10.10.5000.10.10.6 Ref No. MODE12345678 CD PLAY-0.100-7.70007.5 STANDBY000.10.4000.10.6 Re

47、f No. MODE12345678 CD PLAY000-7.70007.5 STANDBY0.20.100.500.10.10.5 Ref No. MODE12345678 CD PLAY0.20.20.2-7.70.20.20.27.5 STANDBY0.10.10.4000.10.10.6 Ref No. MODE1234567891011121314151617181920 CD PLAY055000000004.72.702.34.74.704.93.4 STANDBY000000000004.82.402.24.74.804.74.7 Ref No. MODE2122232425

48、262728293031323334353637383940 CD PLAY0504.74.90004.94.90504.74.700000 STANDBY3.400000004.74.70000000000 Ref No. MODE4142434445464748495051525354555657585960 CD PLAY-0000000000000000000 STANDBY00000000000000000000 Ref No. MODE6162636465666768697071727374757677787980 CD PLAY000000004.74.74.904.955.10

49、4.7000 STANDBY04.7000000000000000004.7 Ref No. MODE81828384858687888990919293949596979899100 CD PLAY4.94.9000000004.74.64.94.94.902.44.74.95 STANDBY4.74.7000000000004.71.102.44.84.70 Ref No. MODE12345678 CD PLAY4.94.905.55.55.500 STANDBY5.55.5004.84.805.5 Ref No. MODEECBECBECBECBECB CD PLAY5.5-7.3-4.75.65.50000004.60.20-7.3 STANDBY5.65.505.65.60000004.7000.7 Ref No. MO