Panasonic-SAHE9-avr-sm 电路图 维修手册.pdf
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1、Table Of Contents COVER 1 Before Repair and Adjustment 2 Protection Circuitry 3 Accessories 4 Caution of AC Mains Lead 5 Front Panel Controls 5.1 Front Panel 5.2 Remote Control 6 Disassembly and Main Component Replacement Procedures 6.1 Disassembly Procedure for each major P.C.B. 6.2 Main Component
2、Replacement Procedures 6.2.1 Replacement of the Power IC and Regulator Transistor 6.2.2 Installation of the bottom cover after replacement 7 Type Illustrations of ICs, Transistors 85 dB) Output voltage For Europe TAPE/MD REC (OUT), VCR OUT200 mV For areas except Europe TAPE REC (OUT), VCR OUT200 mV
3、Tone controls BASS50 Hz,+10 to -10 dB TREBLE20 kHz,+10 to -10 dB Channel balance (250 Hz-6.3 kHz)1 dB Chanel separation55 dB Headphones output level and impedance430 mV/330 Subwoofer frequency response (-6 dB)7-200 Hz Digital input Optical2 Coaxicial1 General Power supply For Continental EuropeAC 23
4、0 V, 50 Hz For OthersAC 110-127 V/220-240 V, 50/60 Hz Power consumption230 W Dimensions (W x H x D)430 x 158 x 370 mm Mass For Europe9.8 kg For Others9.9 kg Power consumption in standby mode:2 W Notes: 1. Specifications are subject to change without notice./Mass and dimensions are approximate. 2. To
5、tal harmonic distortion is measured by the digital spectrum analyzer. * Manufactured under license from Dolby Laboratories.“Dolby”,“Pro Logic” and the double-D symbol are trademarks of Dolby Laboratories. * Manufactured under license from Digital Theater System.“DTS” and“DTS Digital Surround” are tr
6、ademarks of Digital Theater System. 2001 Matsushita Electronics (S) Pte. Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law. TOP NEXT 1 Before Repair and Adjustment TOP PREVIOUS NEXT Disconnect AC power, discharge Power Supply Capacitors C1702 through a 10 , 5 W re
7、sistor to ground. DO NOT SHORT-CIRCUIT DIRECTLY (with a screw driver blade, for instance), as this may destroy solid state devices. After repairs are completed, restore power gradually using a variac, to avoid over current. Current consumption at AC 230 V, 50 Hz in NO SIGNAL mode should be 20060 mA
8、(E, EG). Current consumption at AC 230 V/240 V, 50 Hz in NO SIGNAL mode should be 20060 mA (EB only). TOP PREVIOUS NEXT 2 Protection Circuitry TOP PREVIOUS NEXT The protection circuitry may have operated if either of the following conditions are noticed: G No sound is heard when the power is turned
9、on. G Stops during a performance. The function of this circuitry is to prevent circuitry damage if, for example, the positive and negative speaker connection wires are “shorted”, or if speaker systems with an impedance less than the indicated rated impedance ofthe amplifier are used. If this occurs,
10、 follow the procedure outlines below: 1. Turn off the power. 2. Determine the cause of the problem and correct it. 3. Turn on the power once again after one minute. Note: When the protection circuitry functions, the unit will not operate unless the power is first turned off and then on again. TOP PR
11、EVIOUS NEXT 3 Accessories TOP PREVIOUS NEXT AC mains lead (E/EG). 1 pc. AC mains lead (EB). 1 pc. AM Loop Antenna Set/. 1 set. FM Indoor Antenna. 1 pc. Remote Control/Transmitter. 1 pc. Antenna plug (EB). 1 pc. TOP PREVIOUS NEXT 4 Caution of AC Mains Lead TOP PREVIOUS NEXT TOP PREVIOUS NEXT 5 Front
12、Panel Controls TOP PREVIOUS NEXT 5.1 Front Panel 5.2 Remote Control TOP PREVIOUS NEXT 5.1 Front Panel TOP PREVIOUS NEXT TOP PREVIOUS NEXT 5.2 Remote Control TOP PREVIOUS NEXT TOP PREVIOUS NEXT 6 Disassembly and Main Component Replacement Procedures TOP PREVIOUS NEXT “ATTENTION SERVICER” Some chassis
13、 components maybe have sharp edges. Be careful when diassembling 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 proce
14、dures./ Special reassembly procedures are described only when required. 3. Select items from the following index when checks or replacement are required. Content G Disassembly Procedure for each major P.C. B. . P.g. 89 G Main Component Replacement Procedures 1. Replacement of the Power IC and Regula
15、tor Transistor. P.g. 10 2. Installation of the bottom cover after replacement. P.g. 11 6.1 Disassembly Procedure for each major P.C.B. 6.2 Main Component Replacement Procedures 6.2.1 Replacement of the Power IC and Regulator Transistor 6.2.2 Installation of the bottom cover after replacement TOP PRE
16、VIOUS NEXT 6.1 Disassembly Procedure for each major P.C.B. TOP PREVIOUS NEXT Step 1 Farads. G Resistance values are in ohms, unless specified otherwise, 1K=1,000(ohms). G The marking (RTL) indicates that the Retention Time is limited for this item. After the discontinuation of this assembly in produ
17、ction, the item will continue to be available for a specific period of time. The retention period of availabilityis dependant on the type of assembly, and in accordance with the laws govening part and product retention. After the end of this period, the assembly will no longer be available. G M indi
18、cates in the Remarks columns indicates parts that are supplied by MESA . G The “(SF)” mark denotes the standard part. G Remote Control Unit: Supply period for three years from terminal of production. G Reference for O/I book languages are as follows : Ar : ArabicCf : Canadian French Cz : CzechDa : D
19、anish Du : DutchEn : EnglishFr : FrenchGe : German It : ItalianKo : KoreanPo : PolishRu : Russian Sp : Spanish Sw : SwedishCo : Traditional Chinese Cn : Simplified Chinese 13.1 Cabinet 13.1.1 Cabinet Parts Location 13.1.2 Cabinet Parts List 13.2 Components Parts List 13.3 Packing Materials& Accessor
20、ies Parts List 13.4 Packaging TOP PREVIOUS NEXT 13.1 Cabinet TOP PREVIOUS NEXT 13.1.1 Cabinet Parts Location 13.1.2 Cabinet Parts List TOP PREVIOUS NEXT 13.1.1 Cabinet Parts Location TOP PREVIOUS NEXT TOP PREVIOUS NEXT 13.1.2 Cabinet Parts List TOP PREVIOUS NEXT Ref. No.Part No.Part Name & Descripti
21、onRemarks CABINET AND CHASSIS 1 RAN0002EMTUNER MODULEM 2 REM0080BFAN UNITM 3 RGB0036-2NPANASONIC BADGEM 5 RGKV0001-SVOLUME RINGM 8 RGL0533-QDIGITAL LIGHT GUIDEM 9 RGL0534-QMONITOR LIGHT GUIDE M 11 RGP0866A-SFRONT PANELM 12 RGQ0231-KFAN COVERM 13 RGR0306F-EREAR PANELMEG E 13 RGR0306F-FREAR PANELMEB 1
22、5 RGU1941C-SMODE BUTTONM 16 RGU1942-STONE BUTTONM 17 RGU1945-SDIGITAL BUTTONM 18 RGU1946-SPOWER BUTTONM 20 RGW0280-SSELECTOR KNOBM 21 RGW0359-SVOLUME KNOBM 22 RHD26016SCREW (PHONE JACK)M 23 RHD30070EARTH TERMINALM 24 RHN90001M9 NUTM 25 REE1071FCC1 (PANEL-DIGITAL)M 26 RKA0079A-ALEG UNITM 27 RKM0373C-
23、SCABINETM 28 RKQ0089APCB SUPPORTM 29 RKWV0001A-Q FL WINDOWM 30 RMC0158-STRANSISTOR HOLDERM 31 RMK0320-1BOTTOM CHASSISM 32 RMN0628AFL HOLDERM 34 RMN0648PCB SUPPORT 2M 35 RMN0649WIRE CLAMPERM 36 RMV0219BARRIERM 38 RXX0233HEAT SINK UNITM 39 SHR301WIRE CRAMPERM 40 SHR9683PCB SUPPORT 1M 41 SNE2129-2SCREW
24、 (CABINET)M 42 XTB3+20JFZSCREWM 44 XTB3+6GSCREWM 45 XTB3+8FFZSCREWM 46 XTB3+8JFZSCREWM 47 XTBS26+10JSCREWM 48 XTBS3+8JFZ1SCREWM 50 XTW3+15TSCREWM 51 XTWS3+8TSCREWM 53 RGU1947-Q6CH BUTTONM 54 REE1072FCC2 (MAIN-DIGITAL)M 55 RMQ1030HEAT SINK ANGLEM 58 RMR1165-KSPEAKER COVERM 59 RMZ0339ZENER COVERM 60 X
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