Onkyo-A9010-int-sm维修电路原理图.pdf

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1、A-9010 ? RC-902S INTEGRATED AMPLIFIER Black and Silver models MODEL A-9010(B)/(S) 220-240V AC, 50/60Hz 120V AC, 60Hz 100V AC, 50/60Hz B WMP B WMB S WMP B WDC S WJJ Ref. No. 4516 032015 042015(WMB) RadioFans.CN 收音机爱 好者资料库 A-9010 SERVICE PROCEDURE INITIAL SETTING FOR SHIPPING Initialization of memorie

2、s. Hold down DIRECT button and then press ON/STANDBY button. Unplug the power cord after it goes standby mode. RadioFans.CN 收音机爱 好者资料库 A-9010 ADJUSTMENT PROCEDURE Idling Current DC Voltmeter Front L / R Below Between Over 7.5 mV 8 mV(+0.5 / -0.5 mV) 8.5 mV 7.5 mV Do not adjust. 8.5 mV Main PC board

3、Channel Terminals Registers Voltage L CN04 VR41 8 mV R CN03 VR31 8 mV Time4 - 6 minutes CN03, CN04 VR41 CN04 VR31 CN03 When 1. Exchange the transistor (Q308-Q310, Q315, Q316, Q408-Q410, Q415, Q416). 2. Exchange the Main PC board. 3. Exchange the Power transformer (main). Setting position BASS, TREBL

4、E and BALANCE: Center. VOLUME: Minimum. Procedure a. Pre-adjustment Set the following registers to minimum position before POWER ON. Set the voltages at the following terminals to the following voltage by adjusting the following registers, under the condition of no input and no load, immediately aft

5、er POWER ON. b. Aging Heat run during the following time. c. Final adjustment Re-adjust by the following procedure after heat running for the above mentioned time. Adjustment point / Test terminal Connection A-9010 EXPLODED VIEW - 1/2 (B): Black A-9010 A 1 2 3 4 BCDE FUSE LABEL , HOT Q315, Q308, Q31

6、6, D901, Q415, Q408, Q416 A-9010 EXPLODED VIEW - 2/2 (S): Silver A-9010 A 1 2 3 4 BCDE FUSE LABEL , HOT (Except WJJ) Q315, Q308, Q316, D901, Q415, Q408, Q416 A-9010 Schematic diagram A-9010 A 1 2 3 4 BCDE 2SB1560-P2SD2390-P2SD2390-P 2SB1560-P A-9010 Schematic diagram A-9010 A 1 2 3 4 BCDE ! ISSUE !

7、JAPAN * MAIN TRANS OPTION * CLT5R0 VER. WMPWDC 47ZE WJJWMB 47ZJ47ZE47ZU 120V230V100V240V ASIAEURUSA JAPAN * SUB TRANS OPTION * VER. CLT5I0 WMPWDC 09ZE WJJWMB 09ZJ09ZE09ZU 120V230V100V240V ASIAEURUSA RI-IN/OUT FROM MCU BD MAIN -TRANS PWR91 ! MAIN-TRANS RI PART * UPDATE * AC100-120V : T 3.15A L 250V A

8、C220-240V : T 1.6A L 250V CUP12710Z-6 CUP12710Z-5 CUP12710Z-4 NOT USE MCU POWER PART POWER2 PART POWER1 PART * SOFT UPDATE * MD0 : set to HIGH on the update-jig when update UPDATE_MODE : set to LOW on the update-jig when update CUP12710Z-2VOLUME PART TO AMP BD CUP12710Z-7 TO AMP BD TO MCU POWER BD F

9、ROM MCU BD HEADPHONE OUTPUT HEADPHONE PART HP-LOPUT HP-ROUT HP_DET CUP12710Z-3 FROM AMP BD LINE-5 (AUX) INPUT PART CUP12710Z-8 FUNCTOIN CONTROL PART ! ! ! ! ! ! ! GS0 GND OUT VDD GS1 TEMP PART GS0 GND OUT VDD GS1 AC-TN MAIN TRANS SUB TRANS * SOFT UPDATE * MD0 : set to HIGH on the update-jig when upd

10、ate UPDATE_MODE : set to LOW on the update-jig when update FROM MCU BD * OPTION BD * CUP12710Z-9 ! ! F1921 ( OPTION ) +10.5V+8.7V +5V +6.7V+4.5V +10.5V FROM MCU BDFROM MCU BD +10.3V+5.6V 1 2 3 JK197 CJJ2D008Z R1971 470R L1972 60R/BEAD R1972 N.C C1973 100pF 21 CN190 CJP02KA060ZY 7.92mm L-TYPE C1921 4

11、700pF/250V D1941 1N4003 C1956 0.1uF C1955 470uF/10V D1942 1N4003 F1921 12 CN191 CJP02GA89ZY 7.92-02P BOX Q1926 RT1N237C C1922 4700pF/250V C1942 2200uF/25V C1941 0.1uF D1951 1N4003 D1952 1N4003 D1926 Z5.6V C1926 4.7uF/50V D1961 1N4003 C1961 4.7uF/50V C1962 0.1uF C1951 0.1uF D1931 1N4003 R1931 47R/1W

12、VIN GND VOUT 2 3 1 IC195 NJU7223F50 C1927 0.1uF D1927 1SS355T R1955 100K R1925 33R R1973 10K R1933 100K J06 J04 J10 J12 J14 J15 J16 J02 12345 BN902 2.5-05P BOARD-IN CWB1C00550058 R1926 1K Q1927 KTC1027Y Q1925 RT1P141C Q1964 RT1N237C C1995 0.1uF R1991 N.C C1991 N.C C1992 N.C 37 6 5 42 1 CN199 N.C R19

13、92 N.C R1995 47R 1234567891011 CN195 CJP07GI236ZW(2.0) R1901 0.15(1W) C1901 0.1uF/100V C1902 0.1uF/100V 123 BN191 7.92-02P BOARD-IN CWB4F003100UZ C1903 0.1uF/100V C1905 0.1uF/100V 123 BN901 3.96-03P BOARD-IN CWB3F003300UZ C1996 N.C R1996 N.C 2 45 6 7 8 9 T1905 CLT5I009ZE CLT5I009ZE/ZU/ZJ C1933 0.1uF

14、 D1971 Z5.6V 1 4 2 3 RY191 CSL1C006ZE JW191_ RED#22*2 120mm JW192_ BLACK#22*2 120mm JW191 RED#22 JW192 BLACK#22 J11 J13 C1907 N.C C1908 N.C C1909 N.C R1907 N.C R1908 N.C BK195 CMD1A834 BK196 CMD1A834 D1964 Z2.4V C1964 0.1uF Q1421 MMBTA06L Q1425 MMBTA56L Q1426 MMBTA56L R1421 1K R1423 56K R1422 1K R14

15、24 56K Q1422 MMBTA06L R1426 3.3K R1425 3.3K R14122R2 + - M 13 2 6 57 4 910 8 VR141 50KBX2 C1405N.C C1406N.C R1401 33R R1402 1K R1404 470K C1404 0.01uF C1403 0.01uF C1401 0.1uF C1427 4.7uF/10V C1425 4.7uF/10V C1426 4.7uF/10V C1411 220uF/10V R1408 N.C C1408 N.C R14112R2 R1452 10K C1452 0.1uF C1451 0.1

16、uF 37 6 5 42 1 CN145CJP07GB113ZY R1451 N.C JW141 N.C 1234567891011 CN141 CJP11GI236ZW(2.0) C1402 47uF/10V R1403 N.C C1421 N.C C1422 N.C 123 BN701 2.0-03P BOARD-IN CWB1C00315047 BK181 CMD1A629 R1811 2R2 C1811 0.1uF 1 2 3 7 8 JK151 CJJ2E026Z C1503 0.1uF C1502 0.01uF C1501 0.01uF R1501 2R2 R1502 2R2 R1

17、504 N.C D1506 1SS355T C1505 0.1uF D1505 1SS355T R1505 N.C R1503 100R 12345 BN371 2.0-05P BOARD-IN CWB1C00506047 G1501 L1501 N.C L1502 N.C L1504 60R/BEAD J1060N N.C 12 J1020 C3A206 J1012 C3A206 J1018 C3A206 R1962 100K R1405N.C R1406N.C C1504 0.1uF R1362 330R R1361 330R C1375 N.C C1371 0.1uF 1 6 7 5 4

18、 3 2 JK136 CJJ2D003Z JW137 CWE8202080RV R1371 N.C D1371 1SS355T D1372 1SS355T R1375 N.C 12345 BN131_1 2.0-05P BOARD-IN CWB1B00505077 C1361 220pF C1362 220pF SW134 CSR2A037Z 24-PULSE R1341 22K R1342 22K C1344 0.01uF C1343 0.01uF R1343 1K R1344 1K R1345 33R 12345 BN132_1 2.0-05P BOARD-IN CWB1B00505077

19、 C1341 22uF/10V R1340 100R C1931 47uF/25V D1943 RB160L60TE25 12345 IC181 LM94022BIMG R1812 100R R1813 N.C C1813 0.1uF D1812 1SS355T 12345 IC182 LM94022BIMG R1822 100R C1821 0.1uF R1823 N.C C1823 0.1uF D1822 1SS355T R1815 10K R1821 2R2 R1721 N.C R1723 N.C R1722 N.C R1724 N.C R1726 N.C R1725 N.C R1712

20、N.C + - M 13 2 6 57 4 910 8 VR171 N.C C1705N.C C1706N.C R1701 N.C R1702 N.C R1704 N.C C1704 N.C C1703 N.C C1701 N.C C1727 N.C C1725 N.C C1726 N.C C1711 N.C R1708 N.C C1708 N.C R1711N.C R1752 N.C C1752 N.C C1751 N.C 37 6 5 42 1 CN175 N.C R1751 N.C JW171 N.C 1234567891011 CN171 N.C C1702 N.C R1703 N.C

21、 C1721 N.C C1722 N.C BK171 N.C R1705N.C R1706N.C Q1725 MMBTA56L Q1726 MMBTA56L Q1721 MMBTA06L Q1722 MMBTA06L JW173 N.C JW172 N.C JW142 N.C JW143 N.C JW15 N.C SPOWER-ON SST+5V SP-DOWN SSYSTEM S-CHGND1 SST+3V3 S-GND SMCU-RST/GND SUPDATE-TX SUPDATE-RX SUPDATEMD0 SMCU-RST/GND SUPDATE-TX SUPDATE-RX SUPDA

22、TEMD0 S-GND S-GND S-GNDS-GNDS-GND S-GNDS-GND S-GND S-GND S-GND S-GNDS-GNDS-GND S-GND S-GND S-GND AC30V1 AC30V2 AC11V1 AC11V2 R+14V S-GNDS-GND AC_L AC_N AC-TL S-GND S-CHGND S-GND S-GND S-GND AC7.5V1 AC7.5V2 AC7.5V1 AC7.5V2 S-GND SST+3V3 AC14V1 AC-GND AC14V2 S-GND CHGND AV3.3V DGND MCU-RST UPDATE-TX U

23、PDATE-RX AV3.3V AV3.3V UPDATEMD0 M+5V AV3.3V DGND VOLUME-IN DGND UPDATEMD0 UPDATE-RX UPDATE-TX MCU-RST VOL-DN VOL-UP HP_GND HP-LIN HP-RIN HP-CHGND HP-GND HP_GND HP-GND HPIN-DET AC-L AC-N S-GND A-CHGND AF+3.3V AUX-GND AUX-GND AUX-GND LINE5-RIN LINE5-LIN AF+3.3V GND1 GND1 FUNC-DN FUNC-UP AUX-GND S-GND

24、 CHGND9 T-GNDT-GNDT-GND T-GND T-GND T-GND +3V3 TEMP GND1 GND1 GND1GND1GND1 GND1 V-CHGND AV3.3V1 V-GND MCU-RST1 UPDATE-TX1 UPDATE-RX1 AV3.3V1 AV3.3V1 UPDATEMD01 M+5V1 AV3.3V1 V-GND VOLUME-IN1 V-GND UPDATEMD01 UPDATE-RX1 UPDATE-TX1 MCU-RST1 VOL-DN1 VOL-UP1 V-GND V-GNDV-GND V-GND V-GND V-GNDV-GND V-GND

25、V-GND V-GNDV-GND V-GND V-GNDV-GND V-GNDV-GND V-GNDV-GND V-CHGND V-GND * IMPORTANT SAFETY NOTICE. COMPONENTS IDENTIFIED BY ! MARK HAVE SPECIAL CHARACTERISTICS IMPORTANT FOR SAFETY. WHEN REPLACING ANY OF THESE COMPONENTS, USE ONLY MANUFACTURERS SPECIFIED PARTS. * THIS SCHEMATIC DIAGRAM MAY BE MODIFIED

26、 AT ANYTIME WITH THE IMPROVEMENT OF PERFORMANCE. A-9010 Schematic diagram A-9010 A 1 2 3 4 BCDE 2015 01 052015 01 052015 01 05 12710SCMZ 2 2 C.H.CHOI A-9010 (FRONT PART) APPROVECHECKDESIGNDRAWING NO MODEL SHEE 4 SCHEMATIC DIAGRAM REVISION 1 2 3 4 5 6 7 2015.01.05 ISSUE ANAM MULTI. LAB M P MCU VCC AV

27、SS UPDATE_MD0 UPDATE_MD1 DAC_SCLK DAC_LATCH MCU_RST DAC_SDIN VER1_IN VER2_IN KEY-IN1 AV+3.3V AVSS LINE1_LED LINE2_LED LINE3_LED LINE4_LED LINE5_LED PHONO_LED DIGIT1_LED DIGIT2_LED DIGIT3_LED JTDI JTMS JTDO EEPROM_SDA HP_DET EEPROM_SCL LOUDN_LED A_MUTE DIR_NPCM DIR_RESET DIR_CS DIR_ERR REMOTE_IN SYST

28、EM_IN IPROTECT VPROTECT FUNC_UP_IN FUNC_DN_IN D1_CD D2_DOCK D3_TUNER MCU+3V3 GND CAP VOL_DN KEY-IN2 AV+3.3V DIRECT_LED N.C POWER_ON REC_MUTE SPKA_LED P-MUTE SPKB_LED MCU+3V3 DIR_MDO DIR_MDI DIR_MCK SYSTEM_OUT VOL_UP VOL_CLK VOL_DATA P_FAIL P_DOWN MCU+3V3 GND OSC-OUT OSC-IN MCU+3V3 VOLUME_IN BASS_IN

29、TREBLE_IN BALANCE_IN UPDATE_TX UPDATE_RX N.C GND UPDATE_MODE MCU+3V3 N.C N.C GND JNTRST MCU+3V3 JTCK * REMOTE CIRCUIT * MAIN BD FRONT BD TO MCU POWER BD LINE5(AUX)INPUT PART SCL VCC GND A2 A1 A0 SDA WP REMOTE_IN N.C N.C N.C N.C N.C VSS MCU_RST VCC GND CAP N.C N.C N.C N.C AVCC AVRH SOFT DEBUG VER. *

30、OPTION * R1151 R1153 WMPWDC 10K 10K 0.0V0.81V1.64V * FUNCTION KEY * * POWER * THERMAL_P CUP12710Z-1 WJJ/WMB Ver : NOT USE NOT USE MCU PART WJJWMB OPEN OPEN OPEN OPEN 10K 10K LINE1LINE2LINE3LINE4LINE5PHONOLOUDNESS NOT USE TO VOLUME BD * OPTION = MP NOT USE * RT1N141C : R1=10K, R2=10K RT1P144C : R1=10

31、K, R2=47K RT1N237C : R1=2.2K,R2=47K 120V230V100V240V SPK-ASPK-BDIRECTD-1/MUTED-2/ABS +0V +0V +0V +0V WIRE JUMPER +2.75V +2.75V +2.75V +3.0V RT1P237C : R1=2.2K,R2=47K R103433R-DC/MP R109333RR106633R R103533R-DC/MP R103633R-DC/MP R103733R-DC/MP R103833R R103933R R104133R R104233R R109433R R109533R R10

32、9633R R109733R R109833R R107833R R107733R R107633R R107533R R106533R R106333R-DC/MP R106233R-DC/MP R106133R-DC/MP 12345678910 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51525354555657585960616263646566676869707172737475 76

33、77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 IC115 MB9AF342NAPMC R103133R-DC/MP R103233R-DC/MP R103333R-DC/MP R104633R R1053220R R1052220R R105133R R107433R R107333R R107233R R107133R R108633R R108533R R111533R R109133R R109233R C1010 47uF/25V C1011 0.1uF C1016 0.1uF 3 2

34、1VIN GND OUT IC111 LM7805R C1355 0.1uF C1022 N.C C1001 100uF/10V C1002 0.1uF C1005 100uF/10V C1006 0.1uF R1168 1K C1168 0.1uF C1165 0.1uF R1167 10K R1165 33R D1165 N.C 1 2 VCC GND RESET 3 IC116 CAT809RTBI IN GND OUT 13 2 IC102 NJM2845DL133 321 Vcc GNDVOUT RC118 KSM603TH5B R1181 33R C1182 0.1uF C1183

35、 100pF R1183 100R Q1186 RT1N141C Q1185 RT1P141C Q1188 RT1N141C Q1187 RT1P141C R1187 10K R1185 10K S1131 POWER C1131 0.01uF S1142 DIRECT S1143 LOUDNESS R1142 3.3K C1141 0.01uF R1131 10K R1141 10K R1202 10K C1202 0.01uF R1201 390R R1365 56K R1363 330R R1364 330R C1372 0.1uF C1365 220pF L1363 60R,BEAD

36、L1362 60R,BEAD L1361 60R,BEAD R1366 56K C1366 220pF 8765 4321 IC117 M24C08WMN R1172 10K R1173 10K X1161 4.000MHz C1161 22pF R1162 N.C R1161 33R C1162 22pF Q1193 RT1P141C Q1196 RT1N237C L1005 200R C1007 22uF/10V C1167 0.1uF Q1195 RT1P141C L1195 200R C1195 0.1uF L1021 N.C C1023 22uF/10V C1021 N.C R117

37、1 33R R1143 6.8K C1015 100uF/10V C1181 22uF/10V S1141 N.C R1186 N.C C1185 N.C C1055 22uF/10V L1007 200R C1008 22uF/10V Q1201 RT1N141C C1196 22uF/10V R1151 WDC/WMB R1152 100K R1153 WMP/WMB R1154 100K C10710.1uF C10560.1uF C10510.1uF C10310.1uF C11150.1uF C10910.1uF Q1203 RT1N141C Q1205 RT1N141C Q1207

38、 RT1N141C Q1209 RT1N141C Q1211 RT1N141C Q1214 RT1N141C Q1215 N.C Q1217 N.C Q1219 RT1N141C Q1221 RT1N141C Q1223 RT1N141C R1204 10K C1204 0.01uF R1203 390R R1206 10K C1206 0.01uF R1205 390R R1208 10K C1208 0.01uF R1207 390R R1210 10K C1210 0.01uF R1209 390R R1212 10K C1212 0.01uF R1211 390R R1214 10K

39、C1214 0.01uF R1213 1.8K R1216 N.C C1216 N.C R1215 N.C R1218 N.C C1218 N.C R1217 N.C R1220 10K C1220 0.01uF R1219 2.2K D1222UMBER R1222 10K C1222 0.01uF R1221 1.8K D1224UMBER R1224 10K C1224 0.01uF R1223 1.8K Q1122 RT1N141C R112110K C1166 22uF/10V R1191 10K C1171 4.7uF/6.3V R1331 470K R1335 1K C1333

40、0.01uF C1332 0.01uF R1321 470K R1325 1K C1323 0.01uF C1322 0.01uF R1311 470K C1313 0.01uF C1312 0.01uF R1315 1K 1 2 3 4 5 6 VR131 50KBX2 1 2 3 4 5 6 VR132 50KBX2 1 2 3 4 5 6 VR133 50KBX2 C1311 0.1uF C1321 0.1uF C1331 0.1uF C1315 0.1uF C1325 0.1uF C1335 0.1uF C1231 0.1uF R105833R R1122 10K R108733R R

41、1351 470K R1352 470K R1353 470K 9 8 7 6 5 4 3 2 1 CN135 CJP09GA117ZY R104333R-DC/MP R104433R-DC/MP D1220BLUE D1202GREEN D1204GREEN D1206GREEN D1208GREEN D1210GREEN D1212GREEN D1214UMBER D1216N.C D1218N.C In Out GND 3 1 2 IC112 N.C In Out GND 3 1 2 IC113 N.C In Out GND 3 1 2 IC101 N.C JW118 Q1192 RT1

42、N141C Q1191 RT1N141C D1192 1SS355T D1191 1SS355T C1191 220uF/10V 20 2123 22 19 1816 1715 14 13 12 11 10 9 8 7 6 5 4 3 2 1 CN301 CJP23GA115ZY 13 12 11 10 9 8 7 6 5 4 3 2 1 CN302 CJP13GA115ZY-WDC/WMP 1110987654321 BN195 2.0-07P BOARD-IN CWB1C00730047 D1109 1N4003 1110987654321 BN141 2.0-11P BOARD-IN(A

43、NGLE) CWB1B01108046 C1601 0.1uF R1601 47K Q1601 RT1P141C D1221 1SS355T-DC/MP D1223 1SS355T-DC/MP C1197 100uF/10V C1024 100uF/10V R1225 100K-DC/MP R1010 22R/1W R1354 1R0 C1354 0.1uF R1197 N.C C1192 4.7uF/6.3V Q1293 RT1P141C R1291 10K Q1292 RT1N141C Q1291 RT1N141C C1292 4.7uF/6.3V R1355 N.C C1225 22uF

44、/10V-DC/MP R1169 N.C C1377 0.1uF R1377 N.C D1377 1SS355T D1378 1SS355T C1035 0.1uF C1036 220pF R1372 N.C 54321 BN131 2.0-05P BOARD-IN CWB1B00505077 54321 BN132 2.0-05P BOARD-IN CWB1B00505077 JW136 CWE8202120RV L1364 N.C C1373 N.C R1373 N.C C1081 0.1uF R1123 18K C1123 0.1uF C1017 100uF/10V R1055 1.5K

45、 R1056 1.5K R1054220R R1057 1.5K JW131 CWEH202150PP JW131_ CWEH202150PP R1099220R C1193 N.C C1293 N.C ST+3V3 ST+3V3 ST+3V3 ST+3V3ST+5V MCU+3.3V DIR-RESET 2,3 DIR-CS 2,3 DIR-MCK 2,3 DIR-MDO 2 DIR-ERR 2,3 DIR-NPCM 2 DAC-LATCH 2,3 DIR-RESET DIR-CS DIR-MCK DIR-MDO DIR-MDI DIR-ERR DIR-NPCM DAC-LATCH DIGI

46、T2_LED2 DIRECT_LED2,3 SPKB_LED2,3 SPKA_LED2,3 LOUDN_LED2,3 PHONO_LED2,3 LINE5_LED2,3 LINE4_LED 2,3 LINE3_LED2,3 LINE2_LED2,3 DC+5V OSC-IN2 P-DOWN 2,3 POWER-ON2,3 ST+3V3ST+3V3 MCU+3.3V ST+3V3 CHGND9 DC+14V AV+3.3VDC+5V ST+5V AGND LINE5-LCH2,3 LINE5-RCH2,3 OSC-OUT2 EEPROM-SCL2,3 EEPROM-SDA2,3 MCU_RST2

47、,3 A-MUTE2,3 DIR-MDI 2,3 DAC-SDIN DAC-SDIN 2,3 DAC-SCLK DAC-SCLK 2,3 SYSTEM 2,3 DIR-MDO 2 DIR-MDI 2,3 DIR-NPCM 2 DIR-ERR 2,3 REMOTE-IN 2,3 SYSTEM-IN 2,3 IPROTECT 2,3 VPROTECT 2,3 FUNC_UP 2,3 FUNC_DN 2,3 P_DOWN 2,3 P-FAIL2,3 MCU_RST2,3 THERMAL-P 2,3 UPDATE_MD0 2,3 OSC-IN2 VOLUME_IN 2,3 TREBLE-IN 2,3

48、BALANCE-IN 2,3 VER1-IN 2 VER2-IN 2 KEY-IN2 2,3 R-CHGND AV+3V3M AV+3V3M UPDATE_RX 2,3 HP-DET2,3 UPDATE_MODE DIR-MCK 2,3 DIR-RESET 2,3 DIR-CS 2,3 SYSTEM-OUT 2,3 VOL-DATA2,3 VOL-CLK2,3 VOL_UP2,3 VOL_DN2,3 DAC-LATCH 2,3 DAC-SCLK2,3 DAC-SDIN2,3 OSC-OUT2 DIGIT2_LED 2 LINE1_LED 2 LINE2_LED 2,3 LINE3_LED 2,

49、3 LINE4_LED 2,3 PHONO_LED 2,3 UPDATE_TX 2,3 EEPROM-SCL2,3 DIRECT_LED2,3 LOUDN_LED2,3 A_MUTE2,3 F-LATCH2,3 POWER-ON2,3 REC_MUTE2,3 P-MUTE2,3 SPKA_LED2,3 SPKB_LED2,3 JTRST2 EEPROM-SDA2,3 JTCK2,3 JTDI2 JTDO2 JTMS2 REMOTE-IN 2,3 VER1-IN2 VER2-IN2 AV+3V3MAV+3V3M DC+5VDC+5VDC+5VDC+5VDC+5VDC+5VDC+5VDC+5VDC+5VDC+5VDC+5V UPDATE_MD02,3 MCU+3.3V DC+5V VOLUME_IN2,3 VOL_UP2,3 VOL_DN 2,3 BALANCE-IN2,3 TREBLE-IN2,3 BASS-IN2,3 A_MUTE2,3 AV+3.3V AV+3.3V ST+5V SYSTEM 2,3 POWER-ON 2,3 SYSTEM-IN 2,3 SYSTEM-OUT2,3 KEY-IN22,3KEY-IN12 AV+3.3V AV+3V3M AV+3.3V SIG-DET 2,3