Panasonic-SAXR30E-avr-sm 电路图 维修手册.pdf

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1、n AMPLIFIER SECTION Power output (at AC 230-240 V) DIN 1 kHz (T.H.D. 1%)2 x 100 W (6 ) 20 Hz-20 kHz continuous power output both channels driven 2 x 80 W (6 ) Total harmonic distortion rated power at 20 Hz-20 kHz0.09 % (6 ) Power bandwidth both channels driven, -3 dB4 Hz-88 kHz (6 , 0.9 %) Power out

2、put each channel driven DIN 1 kHz (T.H.D. 1%) Front (L/R)100 W (6 ) Center100 W (6 ) Surround (L/R)100 W (6 ) Load impedance Front (L/R)6-16 Center6-16 Surround6-16 Frequency response CD, TV, DVD, DVR/VCR4 Hz-88 kHz, 3 dB Input sensitivity and impedance CD, TV, DVD, DVR/VCR200 mV/22 k S/N at rated p

3、ower (6 ) CD, TV, DVD,DVR/VCR (Digital Input)90 dB (IHF, A: 103 dB) Tone controls BASS50 Hz, +10 to -10 dB TREBLE20 kHz, +10 to -10 dB 2004 Panasonic AVC Networks Singapore Pte. Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law. SA-XR30E SA-XR30EB SA-XR30EG Colour

4、 (S).Silver Type (K).Black Type Output voltage DVR/VCR200 mV Channel balance (250 Hz-6.3 kHz)1 dB Channel separation55 dB Subwoofer frequency response (-6 dB)7 Hz-200 Hz n FM TUNER SECTION Frequency range87.50-108.00 MHz Sensitivity S/N 30 dB1.5 V/75 S/N 26 dB1.3 V/75 S/N 20 dB1.2 V/75 IHF usable se

5、nsitivity (IHF 58)1.5 V/75 IHF 46 dB stereo quieting sensitivity22 V/75 Total harmonic distortion MONO0.2% STEREO0.3% S/N MONO60 dB STEREO58 dB Frequency response 20 Hz-15 kHz+1 dB, -2 dB Alternate channel selectivity 400 kHz65 dB Capture ratio1.5 dB Image rejection at 98 MHz40 dB IF rejection at 98

6、 MHz70 dB Spurious response rejection at 98 MHz70 dB AV Control Receiver Specification ORDER NO. MD0403111C2 RadioFans.CN 收音机爱 好者资料库 AM suppression50 dB Stereo separation 1 kHz40 dB Carrier leak 19 kHz-30 dB 38 kHz-50 dB Channel balance (250 Hz-6.3 kHz)1.5dB Limiting point1.2 V Bandwidth IF amplifie

7、r180 kHz FM demodulator1000 kHz Antenna terminal75 (unbalanced) n AM TUNER SECTION Frequency range522-1611 kHz (9 kHz steps) 530-1620 kHz (10 kHz steps) Sensitivity20 V, 330 V/m Selectivity (at 999 kHz)55 dB IF rejection (at 999 kHz)50 dB n VIDEO SECTION Output voltage at 1 V input (unbalanced)10.1

8、Vp-p 1 Caution for AC Mains Lead 4 2 SAFETY PRECAUTIONS 5 2.1. GENERAL GUIDELINES 5 3 Before Repair and Adjustment 6 4 Protection Circuitry 6 5 Handling the Lead Solder 6 5.1. About lead free solder (PbF) 6 6 Accessories 7 7 Operating Instructions 8 8 Disassembly and Main Component Replacement Proce

9、dures and Operational Check 10 8.1. Disassembly of Top Cabinet. 10 8.2. Checking for the DSP P.C.B. (A/B Side) and Main P.C.B. (A Side). 11 8.3. Disassembly of Front Panel 12 8.4. Checking for the Main P.C.B. (B Side) 12 8.5. Checking for the Input P.C.B. 13 8.6. Checking for the Panel, Volume and P

10、ower Supply P.C.B. 14 9 Self Diagnosis Display Function 16 9.1. Automatically Displayed Error Codes 16 Maximum input voltage1.5 Vp-p Input/output impedance75 (unbalanced) n GENERAL Power supply For continental Europe, the United Kingdom, Australia and New Zealand AC 230-240 V, 50 Hz For other areasA

11、C 220-240 V, 50/60 Hz Power consumption100 W Dimensions (W H D)430 83 376 mm Mass4.0 kg Power consumption in standby mode:1 W Notes: 1.Specifications are subject to change without notice. Mass and dimensions are approximate. 2.Total harmonic distortion is measured by the digital spectrum analyzer. *

12、 Manufactured under license from Dolby Laboratories. “Dolby”, “Pro Logic” and the double-D symbol are trademarks of Dolby Laboratories. * “DTS” and “DTS Digital Surround” are registered trademarks of Digital Theater System, Inc. 9.2. Display Details 16 9.3. Activating Self Diagnosis Function (Servic

13、ing Mode) 16 9.4. Activating Self Diagnosis Function (Doctor Mode) 17 9.5. Returning to Normal Display 18 10 Type Illustration of ICs, Transistors and Diodes 19 11 Terminal Function of ICs 20 11.1. IC6901 (C2BBGF000526): Microprocessor 20 12 Schematic Diagram 21 12.1. DSP Circuit 22 12.2. Main (DIG)

14、 Circuit 28 12.3. Main (DIG 2) Circuit 35 12.4. Input Circuit and Tuner Extent Circuit 40 12.5. Panel Circuit 46 12.6. Optical Circuit, Headphone Circuit and Volume Circuit 48 12.7. Power Supply Circuit 49 13 Printed Circuit Board Diagram 52 13.1. DSP P.C.B. 52 13.2. Main P.C.B. 53 13.3. Input P.C.B

15、. 55 13.4. Tuner Extend, Headphone and Volume P.C.B. 57 13.5. Panel P.C.B. and Optical P.C.B. 58 CONTENTS Page Page 2 SA-XR30E / SA-XR30EB / SA-XR30EG RadioFans.CN 收音机爱 好者资料库 13.6. Power P.C.B. 60 14 Block Diagram 62 15 Wiring Connection Diagram 70 16 Parts Location and Replacement Parts List 72 16.

16、1. Cabinet Parts Location 73 16.2. Electrical Parts List 76 16.3. Packing Materials Typically the melting point is 50 - 70F (30 - 40C) higher. Please use a high temperature soldering iron. In case of the soldering iron with temperaturecontrol, please set it to 700 20F (370 10C). Pb free solder will

17、tend to splash when heated too high (about 1100F/600C). When sildering 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 enough. 6 SA-XR30E / SA-XR30EB / SA-XR30EG 6 Accessories AC ma

18、in lead (For EB only).1 pc AC main lead (For E the power cannot be turned on. Failure in the power circuit system of the unit. This may happen when the direct current electricity is supplied to speaker terminals. Check for the above and replace with new parts if necessary. 9.3. Activating Self Diagn

19、osis Function (Servicing Mode) This mode can be used during servicing. 1. Plug the AC adapter to the power source. Press and hold down the FM MODE button and the SPEAKERS button, and then press the POWER button at the same time. 2. The message, “SERVICE” appears on the display for three seconds (Ref

20、er picture below), and then disappears. 16 SA-XR30E / SA-XR30EB / SA-XR30EG 3. When the TUNING DOWN button is pressed, the current program filing number (ex. M35_* for MA123_45) appears. The * digit indicates the ROM checksum used for ROM collection, and if theunit is not loaded with ROM, NO appears

21、. When the TUNING UP button is pressed, the sub micro computer program filing number (ex. 529_* for MA678_90) appears. The * digit indicates the ROM checksum used for ROM collection, andif the unit is not loaded with ROM, NO appears. 4. When the MEMORY button on the remote controller, the function i

22、s switched to Input Inspection Mode, which output analog input signals at L channel of VCR analog input to all channels. 9.4. Activating Self Diagnosis Function (Doctor Mode) This mode can be used during servicing. 1. Plug the AC adapter to the power source. Press and hold down the MEMORY button and

23、 the SPEAKERS button, and then press the POWER button at the same time. 2. When “CHECKER COMMAND” code (00 DF) of the remote control is received. Initialize all the setting and set the frequency “93.40MHz” tos Tuner. The message, “DOCTOR” appears on the display for three seconds (Refer picture below

24、), and then disappears. 3. Normal function for all buttons on the unit. 4. Doctor mode function at some remote control codes as below table. Remote ControlTest Mode Function and settings SelectorSound Modeother settingsVol/Tone CH 1TUNERSTEREOFrequency : FM min-48dB/0dB CH 2TUNERSTEREOFrequency : FM

25、 max-48dB/0dB CH 3TUNERSTEREOFM 98.3MHz-18dB/0dB CH 4TUNERSTEREOFrequency : AM min-48dB/0dB CH 5TUNERSTEREOFrequency : AM max-48dB/0dB CH 6TUNERSTEREOAM 765kHz (9kHz/step)-18dB/0dB CH 7TUNERSTEREOAM 770kHz (10kHz/step)-18dB/0dB CH 8If the input selector is TUNER, auto tuning function is started to u

26、pward on current frequency. CH 9If the input selector is TUNER, auto tuning function is started to download on current frequency. CH 0All indicators of FL are displayed. All LED are off. Note : After this setting, only POWER button or Checker Command code by the remote control can be entered. CH UPC

27、heck Main P software version. CH DOWNCheck Sub P software version. SUBWOOFERVCR (Analog)-18dB/0dB LEVELDVR/VCRSTEREOANALOG-18dB/0dB EFFECTCDSTEREO-48dB/0dB STEREOTVSTEREO-48dB/0dB PL2DVDSTEREO-48dB/0dB SFCDVR/VCRSTEREO-48dB/0dB TESTNo changeSURROUNDScan the test noise output channel with 500ms inter

28、vals -18dB/0dB -/LCDSTEREOBalance is set to leftmost-18dB/0dB +/RCDSTEREOBalance is set to rightmost-18dB/0dB 5. After enter the remote control code “DIRECT(TUNING)”, the message “_ _ _OK_ _ _” will appear for 0.25 second when each button is pressed one by one. 6. When “POWER” button is pressed or “

29、 CHECKER COMMAND” code of remote control is received, quit this mode and turn off power then will initialize all setting of RAM. If the power failure are detected it willinitialize all RAM. 17 SA-XR30E / SA-XR30EB / SA-XR30EG 9.5. Returning to Normal Display Press the POWER button on the unit to exi

30、t the function. The power is turned off. 18 SA-XR30E / SA-XR30EB / SA-XR30EG 10 Type Illustration of ICs, Transistors and Diodes 1 1 5 19 SA-XR30E / SA-XR30EB / SA-XR30EG 11.1. IC6901 (C2BBGF000526): Microprocessor Pin NO. Terminal NameI/OFunction 1/AMP _RESET OLED Driver Control : Clock 2DC_DETILED

31、 Driver Control : Data 3D/A_STI/OLED Driver Control : Strobe 4E_DTOEEPROM Control : Data 5E_CKOEEPROM Control : Clock 6E_CSOEEPROM Control : Chip Select 7REQSI/OCommunication to Sub P : Request from Sub P 8REQMI/OCommunication to Sub P : Request from Main P 9M_CKOCommunication to Main P : Clock 10M2

32、S_DTOCommunication to Main P : Serial Output 11S2M_DTICommunication to Main P : Serial Input 12F_BUSYI/OTo rewrite P ROM : BUSY 13F_CKOTo rewrite P ROM : CLOCK 14V_AI/OVideo Selector Control : A 15F_DAI/OTo rewrite P ROM : DATA 16V_BI/OVideo Selector Control : B 17REMOTEIRemote Control Signal Input

33、18CNVSS (VPP) -12V supply to rewrite Flash ROM 19RESETIReset Input 20AC_SYNCIPower Failure Detection 21V_C-Video Selector Control :C 22XINI/O10MHz Connect to Oscillator 23XOUTI/O10MHz Connect to Oscillator 24VSS-Connect to GND 25MT_ALLOMUTE for all channel 26MMD-N.C. 27MT_SUBOMUTE for SUBWFR 28VCR_R

34、ECOVCR REC_MUTE control 29OSD_CKOOSD Control : Clock 30OSD_DTIOSD Control : Data 31OSD_STI/OOSD Control : Strobe 32LED_ST1I#1 LED Driver Control : Latch 33SP_BOB Speaker Relay Control 34POWER _RLY -Power Relay Control (H ; ON) 35/M_RESETORESET signal for sub P 36LED_ST2-N.C. 37HP_SW /SP_A OA Speaker

35、 Relay Control 38MT_2NDOMUTE for 2nd Audio 39RDS_CKORDS IC Control : Clock 40RDS_DIIRDS IC Control : Data 41INIT_IN1IInitialize Setting Input 1 42INIT_IN2IInitialize Setting Input 2 43TUN_SDISD Input for Tuner 44TUN_DI/STIIF data/Stereo detect input for Tuner Control 45TUN_CEOCE Output for tuner 46S

36、EL/TN/ DA_CK OInput Selector, Tuner and D/A Control : Clock 47SEL/TN/ DA_DT OInput Selector, Tuner and D/A Control : Data 48SEL_STOInput Selector Control : Strobe 49F_OEOTo rewrite P ROM : ENABLE 50FL/LED_CKOFL & LED Driver Control : Clock 51FL/LED_DTIFL & LED Driver Control : Data Pin NO. Terminal

37、NameI/OFunction 52FL_STI/OFL Driver Control : Strobe 53TAS_SDAOTAS5036 Control : Data 54TAS_SCLI/OTAS5036 Control : Clock 55A/D_ATTI/OA/D attenuator Control 56/SHORT _DET OOutput Short Detection (OVERLOAD) 57VCC-+5V power supply 58VREF-VCC Connected 59AVSS-GND Connected 60THRM_DETI/OThermal Warning

38、Detection (CLIPPER) 61SEL_ENC_AIInput Selector Encoder A 62SEL_ENC_BIInput Selector Encoder B 63KEY2IKey input 2 64KEY1IKey input 1 11 Terminal Function of ICs 20 SA-XR30E / SA-XR30EB / SA-XR30EG (All schematic diagrams may be modified at any time with the development of the new technology) Note: S9

39、41: POWER switch S961: HELP/RESET switch S962: MEMORY switch S963: RDS switch S964: TUNE UP switch S966: SPEAKERS switch S968: BAND/FM MODE switch S969: TUNE DOWN switch The voltage value and waveforms are the reference voltage of this unit measured by DC electronic voltmeter (high impedance) and os

40、cilloscope on the basis of chassis. Accordingly, there may arise some error in voltage values and waveformsdepending upon the internal impedance of the tester or the measuring unit. ( ): CD: FM Importance safety notice : Componentsidentifiedbymarkhavespecial characteristics important for safety. Fur

41、thermore, special parts which have purposes of fire-retardant (resistors), high- quality sound (capacitors), low-noise (resistors), etc. are used. Whenreplacing any of components, be sure to use only manufacturers specified parts shown in the parts list. Caution ! IC, LSI and VLSI are sensitive to s

42、tatic electricity. Secondary trouble can be prevented by taking care during repair. Cover the parts boxes made of plastics with aluminium foil. Put a conductive mat on the work table. Ground the soldering iron. Do not touch the pins of IC, LSI or VLSI with fingers directly. 12 Schematic Diagram 21 S

43、A-XR30E / SA-XR30EB / SA-XR30EG 12.1. DSP Circuit C1034 100P C1033 100P C1032 100P C1031 100P R1012 1M C1009 0.1 C1002 1 C1003 1 X1002 H0J240500015 C1007 18P C1010 18P R1011 1M X1001 H0J245500035 R1010 680 C1004 12P C1008 12P Z1008 J0JCC0000119 R1185 33 R1186 33 R1042 33 C1019 10P C1017 1 Z1010 J0JC

44、C0000119 C1020 1 C1016 33P DIRINT1 DIRINT0 /DIR_CS SCDCLK SCDIN CDT0 /DIR_RST C1040 16V10 C1035 0.1 R1061 18K C1038 0.47 R1057 47 R1058 470 R1059 470 C1041 22P R1060 47 RX1 RX2 RX3 RX4 INT0 CSM CCLK COT1 COT0 PDA XT1 XT0 DAUX MCKO2 BICK SDT0 LRCK MCK01 DVSS DVDD VOUT UOUT COUT BOUT TX1 TX0 NC (DVSS)

45、 TVDD RX4 NC (AVSS) RX5 TEST2 RX6 NC (AVSS) RX7 IIC P/SN XTL0 XTL1 VIN INT1 AVDD R VCOM AVSS RX0 NC (AVSS) RX1 TEST1 RX2 NC (AVSS) RX3 R1075 10K R1071 33 R1073 33 R1074 33 ADOUT0 RCLK SDATA LRCK MCLK01_AD C1057 10P R1096 33 C1065 1 L1006 G1C2R2K00008 R1187 33 C1037 10P C1054 0.1 C1058 16V10 L1007 G1

46、C2R2K00008 C1005 16V10 C1056 1 L1005 G1C2R2K00008 C1053 0.1 TX1 IC1008 C0JBAR000308 LOGIC IC IC1003 C0JBAB000423 INVERTER IC1003 IC1002 C0JBAB000371 TRIPLE INVERTER IC1002 IC1004 C0JBAR000308 LOGIC IC IC1004 Q1001 B1GDCFJN0001 SWITCH IC1005 C0JBAF000367 LOGIC IC IC1005 IC1007 C1BB00000692 DIGITAL AU

47、DIO INTERFACE TRANSCEIVER R1041 33 OSC_PW MCLK MCKSEL +5VA CLKIN +2.5V +3.3V R1013 470 Z1009 J0JCC0000119 C1149 22P INA INB OUT GND VCC /ST SEL OUTY VCCOUTY NCINAGND 1A 3Y 2A GND VCC 1Y 3A 2Y INA INB OUT GND VCC /ST SEL OUTY CK D /Q GND VCC /PR /CLR Q 123456789 13 14 15 16 17 18 19 20 21 28293031323

48、3343536 40 41 42 43 44 45 46 47 48 10 27 2239 11 26 2338 12 25 2437 8 72 1 63 54 8 72 1 63 54 8 72 1 63 54 45 123 8 72 1 63 54 DSP CIRCUIT SCHEMATIC DIAGRAM - 1 : +B SIGNAL LINE: MAIN SIGNAL LINE 22 SA-XR30E / SA-XR30EB / SA-XR30EG 15 14 13 12 11 10 2 4 6 8 9 7 5 3 1 26 25 17 19 21 23 24 22 20 18 16

49、 L1017 VREF R1158 33 C1119 10P R1169 33 R1170 33 MCLK BCLK LRCK AU0 AU1 AU2 C1144 10P C1142 10P C1137 10P C1138 10P C1139 10P C1140 10P C1134 10P C1133 1 Z1013 J0JCC0000119 MCLK BCLK_OUT LRCK_OUT MCLK_AD AU0 AU1 AU2 AU3 MCLK01_AD VCC 2G 1Y2 2A4 1Y2 2A3 1Y3 2A2 1Y4 2A1 1G 1A1 2Y4 1A3 2Y3 1A3 2Y2 1A4 2Y1 GND RX1 RX2 RX3 +5VD +5VA RX4 TX1 +3.3VD +2.5VD DGND Z1001 MCLK BCLK LRCK DGND AU0 AU1 AU2