Panasonic-SAHT60-htss-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 220 W per channel (6 ) Total RMS output power800 W Rated minimum sine wave

2、RMS power output 1% total harmonic distortion (Dolby Digital mode) 1 kHz front CH 50 W per channel (4 ) 1 kHz surround CH 50 W per channel (4 ) 1 kHz center CH 150 W per channel (6 ) 100 Hz subwoofer CH 150 W per channel (6 ) Total RMS output power500 W Total harmonic distortion Half power at 1 kHz

3、(Front CH)0.5% (4 ) Input sensitivity GAME/AUX, TV, DVR/DVD-P450 mV, IHF66 MUSIC PORT250 mV, IHF66 S/N at rated power (4 ) GAME/AUX, TV, DVR/DVD-P80 dB, (85 dB, IHF66) 2006 Matsushita Electric Industrial Co. Ltd. All rightsreserved.Unauthorizedcopyingand distribution is a violation of law. SA-HT60GN

4、 SA-HT60EE Colour (S).Silver Type MUSIC PORT70 dB, (85 dB, IHF66) Input impedance GAME/AUX, TV, DVR/DVD-P, MUSIC PORT 47 k Tone controls BASS50 Hz, +10 to -10 dB TREBLE20 kHz, +10 to -10 dB Digital input OPTICAL2 COAXIAL1 nFM TUNER SECTION Frequency range 87.50 MHz to 108.00 MHz Sensitivity S/N 30 d

5、B1.9 V/75 S/N 26 dB1.8 V/75 S/N 20 dB1.6 V/75 IHF usable sensitivity(IHF58) 2.2 V/75 IHF 46 dB stereo quieting sensitivity22 V/75 Total Harmonic distortion MONO0.2% STEREO0.3% S/N MONO60 dB (71 dB, IHF) STEREO58 dB (65 dB, IHF) Frequency response 20 Hz to 15 kHz, +1 dB, -2 dB Image rejection at 98 M

6、Hz40 dB IF rejection at 98 MHz70 dB Stereo separation (1 kHz)40 dB Home Theater Audio System Specification ORDER NO. MD0604131C3 RadioFans.CN 收音机爱 好者资料库 Antenna terminal75 (unbalanced) nAM TUNER SECTION Frequency range 522 kHz to 1611 kHz (9 kHz steps) 530 kHz to 1620 kHz (10 kHz steps) Sensitivity5

7、00 V/m Selectivity (at 999 kHz)30 dB nGENERAL Power supply AC 230 to 240 V, 50 Hz Power consumption120 W Dimensions (W H D) 430 mm x 105 mm x 385 mm Mass3.8 kg Power consumption in standby mode:1 W nSYSTEM System: SC-HT60 (GN) Main unit: SA-HT60 (GN) Front speakers: SB-FS61 (GN) 1 Safety Precautions

8、 4 1.1. General Guidelines 4 1.2. Before Repair and Adjustment 4 1.3. Protection Circuitry 4 2 Prevention of Electro Static Discharge (ESD) to Electrostatically Sensitive (ES) Devices 5 3 Handling the Lead Solder 5 3.1. About Lead Free Solder (PbF) 5 4 Accessories 6 5 Operation Procedures 7 5.1. Rem

9、ote Control Operation 7 5.2. Main Unit Operation 8 6 New Features 10 6.1. Music Port 10 7 Self Diagnosis and Special Mode Setting 11 7.1. Doctor Typically the melting point is 50 - 70F (30 - 40C) higher. Please use a high temperature soldering iron. In case of the soldering iron with temperature con

10、trol, 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 heat the soldering points with the Pb free solder until it melts

11、enough. 5 SA-HT60GN / SA-HT60EE 4 Accessories Note: Refer to Packing Materials *is current version. * Volume 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 displ

12、ayed. SUBWDVR/DVD-P-All CH printed out-18dB/0dB LEVELNo changeSURROUNDScan the test noise output channel with 500ms intervals. -18dB/0dB -/LTVSTEREOBalance is set to leftmost.-18dB/0dB +/RTVSTEREOBalance is set to rightmost-18dB/0dB 11 SA-HT60GN / SA-HT60EE 7.2. Error Code Table Self- Diagnosis Func

13、tion provides information on any problems occuring for the units and its respective parts by displaying error codes. Error CodeDiagnosis Contents Description of errorAutomatic FL DisplayRemarks OVERLOADSpeaker short, power amplifier failure Digital amplifier abnormal operation BothSHORT_DET& FAN_LOC

14、Ksignalis detectedasactivehigh while DC_DET signal is active low. FAN LOCKDetection of FAN LOCK BothSHORT_DET& 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

15、& abnormal operation BothFAN_LOCK& DC_DETsignalis detectedasactivehigh whileSHORT_DETis active low. F70Detection of POWER MALFUNCTION & abnormal operation 12 SA-HT60GN / SA-HT60EE 8 Assembling and Disassembling 8.1. Caution “Attention Servicer” Some chassis components may have sharp edges. Be carefu

16、l when disassembling and servicing. 1. This section describes procedures for checking the operation of the major printed circuit boards and replacing the main components. 2. For reassembly after operation checks or replacement, reverse the respective procedures. Special reassembly procedures are des

17、cribed only when required. 3. Select items from the following index when checks or replacement are required. 4. 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

18、Disassembly of Front Panel Disassembly of Panel P.C.B., Music Port P.C.B. & Volume P.C.B. Disassembly of Main 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

19、Chart The following chart is the procedure for disassembling the casing and inside parts for internal inspection when carrying out the servicing. To assemble the unit, reverse the steps shown in the chart as below. 13 SA-HT60GN / SA-HT60EE 8.3. Main Parts Location 14 SA-HT60GN / SA-HT60EE Step 1: Re

20、move 2 screws. Step 2 : Remove 2 screws at rear panel. Step 1 : Remove 10 screws at rear panel. Step 2 : Detach 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

21、. Disassembly of Top Cabinet 8.5. Disassembly of Rear Panel Follow the (Step 1) - (Step 3) of item 8.4. - Disassembly of Top Cabinet 15 SA-HT60GN / SA-HT60EE Step 1 : Detach the wire connections (CN400, CN402 & CN401) at Main P.C.B. and (CN801) at Power P.C.B. Step 2 : Release 3 catches. Step 1 : Re

22、move the volume knob as picture shown. Step 2 : Remove 2 screws grounding wires as picture shown. Caution: Remember 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. 8.6. Disass

23、embly 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. - Disassembly of Fron

24、t Panel 16 SA-HT60GN / SA-HT60EE 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 Port P.C.B. Step 1 : Remove 5 screws at Main P.C.B. Step 2 : Disconnect FFC cables (CN400, CN402, CN401, CN800A, CN802A, CN904A, CN200A and CN

25、403A) at Main P.C.B. . Step 3 : Disconnect 2 connectors (CN906 & CN405) at DSP P.C.B. Disassembly of Volume P.C.B. Step 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) -

26、 (Step 3) of item 8.4. - Disassembly of Top Cabinet Follow the (Step 1) - (Step 3) of item 8.5. - Disassembly of Rear Panel 17 SA-HT60GN / SA-HT60EE 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

27、P.C.B. Step 3 : Disconnect 4 connectors (CN906, CN904B, CN405 &CN403B) at DSP P.C.B. Step 4 : Lift up and remove the DSP P.C.B. as the arrow shown. Caution: Remember to use tie wraps to tie red/ white wires between (AC In P.C.B. and Power P.C.B.) to the side of AC In P.C.B. after repair or troublesh

28、ooting. 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) of item 8.4. - Disassembly of Top Cabinet 18 SA-HT60GN / SA-HT60EE Step 3 : Lift up and place AC In P.C.B. as picture shown

29、. Step 1 : Remove 5 screws at Power P.C.B. Step 2 : Disconnect 2 connectors (CN800A & CN802A) 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 : Lift up the Power P.C.B. as picture shown. Note: Caution when li

30、ft up the AC In P.C.B. 8.11. Disassembly of Power 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. 19 SA-HT60GN / SA-HT60EE Replacement of the Power Supply IC and Diode Step 6 : Remove 1 screw (

31、from IC701). Step 7 : Remove 3 screws (from IC800, D855 and D856). Step 1 : Remove 3 screws at rear panel. Step 2 : Detach FFC cables (CN5500, CN200B & CN850) at Digital Amp P.C.B. Step 8 : Flip over the Power P.C.B. Step 9 : Desolder the terminal to replace the components. Step 3 : Remove 5 screws

32、at Digital Amp P.C.B. 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. 20 SA-HT60GN / SA-HT60EE Step 4 : Lift up and remove the Digital Amp P.C.B. as arrow shown

33、. 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. 21 SA-HT60GN / SA-HT60EE 9 Service Position Note: Checking of all Major P.C.B. (Main P.C.B., DSP P.C.B., AC In P.C.B., Digital A

34、mp 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) 22 SA-HT60GN / SA-HT60EE 9.3. Checking the P

35、anel P.C.B., Music Port P.C.B. and Volume P.C.B. 23 SA-HT60GN / SA-HT60EE 9.4. Checking the Main P.C.B., Power P.C.B. & Digital Amp P.C.B. 24 SA-HT60GN / SA-HT60EE 10 Voltage Measurement and Waveform Chart Notes: Indicated voltage values are the standard values for the unit measured by the DC electr

36、onic 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 when probing

37、 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 PLAY2.500.902.50.30.42.52.52.52.52.502.52.52.52.52

38、.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 PLAY1.21.21.

39、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 PLAY0.91.21.25050.

40、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 PLAY5.12.50001.100

41、2.50502.50.91.20.900 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 No. MODE12

42、345678 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 IC1004 IC10

43、05 IC1101 ? IC1001 IC1001 IC1001 25 SA-HT60GN / SA-HT60EE 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 STANDBY000000.50.60000.10.10.

44、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-0.20-7.70007.5 STANDBY

45、0000.40000.6 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 Ref No. MODE

46、12345678 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. MODE21222324252627282930

47、31323334353637383940 CD PLAY0504.74.90004.94.90504.74.700000 STANDBY3.400000004.74.70000000000 Ref No. MODE4142434445464748495051525354555657585960 CD PLAY-0000000000000000000 STANDBY00000000000000000000 Ref No. MODE6162636465666768697071727374757677787980 CD PLAY000000004.74.74.904.955.104.7000 STA

48、NDBY04.7000000000000000004.7 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 PLAY5.5-7.3-4.75.65.500

49、00004.60.20-7.3 STANDBY5.65.505.65.60000004.7000.7 Ref No. MODEECBECBECBECBECB CD PLAY0.20-7.300-7.300-7.35.6-7.35.605.50 STANDBY000.7000.7000.75.60.45.505.60 Ref No. MODEECBECBECBECBECB CD PLAY000.7000.700-7.304.704.93.44 STANDBY000.7000.7000.304.704.83.43.9 Ref No. MODEECB CD PLAY04.9-3.4 STANDBY01.20.5 Q303 Q209 Q211Q212Q213Q301Q302 Q205Q206Q207Q208 IC301 IC301 IC