Rotel-RDA-986-Service-Manual电路原理图.pdf

T echnical Manual DTS DECODER RDA-986 Table of Contents Specification. Parts List.25 PCB Assembly.7 Schematic Diagram .8 SHINSEN-BLD. 4F 10-10 SHINSEN-CHO, SHIBUYA-KU, TOKYO 150-0045, JAPAN Serial. NO. Beginning Quality Uncompromised Y-349A-0107/W THE ROTEL CO., LTD. RadioFans.CN 收音机爱 好者资料库 PARTS LIST (1/4) NOP/NDESCRIPTIONSPECIFICATIONQTYREMARK 175L721RDA986AL PLATEL-7211 278C230500000FRONT PLATEC-23051 378C245400000UPPER COVERC-24541 478C244700000REAR PLATEC-24471 578C245200000BOTTOM PLATEC-24521 678C209400000CHASSIS,LEFTC-20941 778C209500000CHASSIS,RIGHTC-20951 881A4TSH19*FOOT CUSHION4TSH-19 504 985A358*PVC,UPPER A-358 (4TR-2418) 1 1085A561*ORNAMENT END CAP A-561 (4TR-2797#2) 2 1178C206000000BREAKSKET,U-TYPEC-20602 12E53017A*Z3TRANSFORMERE53017A*Z31 1378C233100000SI-STEEL SHIELDC-2331 14651B2U56B21PAC CORDSPT-2#181 1598BSB4F1K*BUSHINGSB4F-11 16804TQF15*POWER PUSH KNOB4TQF-151 1785A4TTL15*PUSH SW CONNECTOR 4TTL-2(A-365)1 1897DS072*PUSH SW SPRINGTR-1988A(S-072)1 1985A4TQF13*PUSH SW WASHER4TQF-131 2092ES064*COPPER POST S-064 12MM2 2185A499* ACRYLIC LIGHT GUIDER A-4993 2285A506* ACRYLIC LIGHT GUIDER A-5063/7 2320PSDLB1007UPOER SWITCHSDDLB1007U TV31 24594722ERKCBW CAPACITOR,VDE472/250V1 25990130ULB*TUBE,SLEEVE38 B1 262652000122*2FUSE 191955x20 1A/250V2B3180(F13.F14) 2766HD686*CONNECTORED-6863P1 28SCCR*P1809B*PLASTIC SCREW1/8x94 29SCCR9M3006Y*SCREWCRMS 3x6 Y2 30SCCR*T3006Y*SCREWCRTS 3x6 Y22 31SCCR*T3006B*SCREWCRTS 3x6 B4 32SCCF*T3008W*SCREWCRTS 3x8 W6 33SCCRWM4010B* SCREWCRWMS 4x10 B2 34SCCR*T3008B*SCREWCRTS 3x8 B4 359903RDA986*STYROFOAMTZ-165-1-12 3691IRDA986*INSIDE CARTONRDA-9861SIZE 493x390 x127(RDA975) 3791CRDA986*OUTER CARTONRDA-9861/2SIZE 503x406x320(RDA975) 38PVC BAG1 39PVC BAG1OWNER S MANUAL 40RDA986B3180*KITB31801 41RDA986B3181*KITB3181 LED1 ACCESSORIES 19904RDA986*OWERS MANUALRDA-9861 29905RDA986* WARRANTY STATEMENT CARD RDA-9861 368DB25RDA975DB25 CABLE CD25FD25M28140050NM 1 RadioFans.CN 收音机爱 好者资料库 PARTS (2/4) KIT:B3181 B3181 118L934IT*LEDL-934IT RED3D13.14.15 266HD746*CONNECTORED-7464P1J4 TO B2380 J5 360B3181*P.C.BB31811 KIT:B3180 NOP/NDESCRIPTIONSPECIFICATIONQTYREMARK 1300010C4TJ2TRESISTOR CARBON5% 1/4W T 101R106 2300022C4TJ2TRESISTOR CARBON5% 1/4W T 221 R6 3300075C4TJ2TRESISTOR CARBON5% 1/4W T 751 R2 4300100C4TJ2TRESISTOR CARBON5% 1/4W T 1006R13.89.90.91.105.119 5300470C4TJ2TRESISTOR CARBON5% 1/4W T 4701 R17 630001KC4TJ2TRESISTOR CARBON5% 1/4W T 1K4R1.18.27.86 73002K2C4TJ2TRESISTOR CARBON5% 1/4W T 2K218R37.38.41.42.57.58.60.61.76.77.79.99.112.113-117 83003K9C4TJ2TRESISTOR CARBON5% 1/4W T 3K924R21-24.31-34.45-48.50-53.64-67.69-72 93004K7C4TJ2TRESISTOR CARBON5% 1/4W T 4K72R4.101 103005K6C4TJ2TRESISTOR CARBON5% 1/4W T 5K61 R96 1130010KC4TJ2TRESISTOR CARBON5% 1/4W T 10K7R5.7.19.28.43.62.87 1230012KC4TJ2TRESISTOR CARBON5% 1/4W T 12K6R20.30.44.49.63.68 1330015KC4TJ2TRESISTOR CARBON5% 1/4W T 15K6R80.81.82.83.84.85 1430022KC4TJ2TRESISTOR CARBON5% 1/4W T 22K2R3.88 1530047KC4TJ2TRESISTOR CARBON5% 1/4W T 47K2R109.110 1630100KC4TJ2TRESISTOR CARBON5% 1/4W T 100K9R12.39.40.56.59.75.78.98.108 1730220KC4TJ2TRESISTOR CARBON5% 1/4W T 220K1 R95 1830330KC4TJ2TRESISTOR CARBON5% 1/4W T 330K1 R97 1930470KC4TJ2TRESISTOR CARBON5% 1/4W T 470K1R100 20131N4148*DIODE1N41481D12 21131N4007*DIODE1N40077D2.3.7.8.9.10.11 2213Z4P70P5*ZENER DIODE4.7V/0.5W1D6 2313Z0150P5*ZENER DIODE15V/0.5W1D5 24491021HRZFDTCAPACITOR CERAMIC 102/50V F/Z6C138-143 25491031HRZFDTCAPACITOR CERAMIC 103/50VF/Z4C1.11.44.116 26491041HRZFDTCAPACITOR CERAMIC 104/50V MIN SIZE15C3-6.26-33.123-125 27490101HRJDNTCAPACITOR CERAMIC 10P/50VSL/K6C8.53.57.73.77.92 28494711HRKBDTCAPACITOR CERAMIC 470P/50VSL/K1C22 29496811HRKBDTCAPACITOR CERAMIC 680P/50VSL/K6C130-135 30501021HRJENTCAPACITOR MYLAR102J/50V1C96 31501031HRJENTCAPACITOR MYLAR103J/50V6C51.55.71.75.90.94 32501221HRJENTCAPACITOR MYLAR122J/50V6C41.48.64.68.83.87 33502221HRJENTCAPACITOR MYLAR222J/50V6C42.49.65.69.84.88 34503321HRJENTCAPACITOR MYLAR332J/50V6C40.47.63.67.82.86 35504731HRJENTCAPACITOR MYLAR473J/50V1C45 36404R71H0511TCAPACITOR ELEC4.7U/50V1C21.129 37401001H0511TCAPACITOR ELEC10U/50V18C34.36-39.59-61.62.79-81.101.128.146-148 38404R71H0511TTCAPACITOR ELEC4.7U/50V1C21 39404701E0511TCAPACITOR ELEC47U/25V4C7.10.46.112 40401011E6311TCAPACITOR ELEC100U/25V7C23.110.104.106.111.113.114 41481001H0511TCAPACITOR ELEC10U/50VNP12C43.50.52.56.66.70.72.76.85.89.91.95 42484701E0811TCAPACITOR ELEC47U/25VNP9C54.58.74.78.93.97.118.120.145 43561041HRZFDTCAPACITOR CERAMIC 104/50X7R24 C2.9.13-C18.20.24.25.35.102.103.105.107.115.117.119. C121.127.136.137.144 44122SA1015BLTTRANSISTOR2SA1015BL/GR1Q9 45122SC1815BLTTRANSISTOR2SC1815BL/GR6Q1.2.10.12.14.15 46122SC2235Y*TTRANSISTOR2SC2235Y1Q13 47122SC3327A*TTRANSISTOR2SC3327A6Q3.4.5.6.7.8 4867A05*TFUSE HOLDER54F13.F14 4911PCA1716E*SICSMDPCM1716E3U7.11.15 5011DSPI56009SICSMDXCI56009F1U2 5111AS7C25620SICSMDAS7C256-20JC1U4 52300100C4TJ2TRESISTOR CARBON5% 1/4W T 1003R120.121.122 5330001KC2TJ5TRESISTOR CARBON5% 1/2W T 1K3R102.103.104 543002K2C2TJ5TRESISTOR CARBON5% 1/2W T 2K21R107 5539047001MJ*BRESISTOR M.O.F5% 1W 470635.36.54.55.73.74 5639018002MJ*BRESISTOR M.O.F5% 2W1802R92.118 5734006805TJ*BRESISTOR CEMENT5% 5W T 683R93.94.111 58401021E1220BCAPACITOR ELEC1000U/25V1C100 59402221E1625BCAPACITOR ELEC2200U/25V1C99 60404721E1831BCAPACITOR ELEC4700U/25V1C98 61484701E0811TCAPACITOR ELEC470U/16VNP1C122 6273C047UH*CHOKE47UH3L1-L3 6373B3C2T7P5P8BEAD CORD73.5Tx7.5x0.82 Y2.Y3 6429C41030605JRESISTOR NETWORKS 10Kx52R9.10 6529C41030706JRESISTOR NETWORKS 10Kx61R11 6629C41030908JRESISTOR NETWORKS 10Kx81R8 6711AD712*ICAD7129U8.9.10.12.13.14.16.17.18. 6811TC74HCU04AICTC74HCU04A1U5 6911TC74HC08APICTC74HC08AP1U6 701174HC125AEDIC74HC1251U23 7111MC27C10012ICMC27C10011U3 7211CSB8412CPDICCS8412-CP1U1 7313S4VB20*BRIDGE DIODESS4VB201D4 7474G6A2HDC12VRELAYG6A-2-H DC12V3RY1-RY3 7520FILTER101*CERAMIC FILTEREMI 1012EMIF1.EMIF2 7620FILTER102*CERAMIC FILTEREMI 10212F1-F12 77639213*IFT9213 40-0011T1 7820S04P022BY*SLIDE SWITCHSS004-P022BY-PF81SW1 7914TORX176*OPTICAL RECIEVERTORX1761IR1 8017NTKIFULL*BOSCILLATOR1MHZ1Y1 8110A32PBD*SOCKER IC32P1U3 8266W504504R*WAFER5045-4P1J5 8366W396303R*WAFER3963-3P1J3 8468DBR25MTKO*DB25 JACKDBR25MTKO1MALE PARTS (3/4) 8538DBR25STKO*DB25 JACKDBR25STK025F1FEMALE 8668HSP246V639RCA JACK 6PHSP-246V6-391 8768HSP252V312RCA JACK 2PHSP-252V3-121 8818L32HD*BLEDL-32HD 3 RED1 D1 89SCCR*T3015Y*SCREWCRTS 3x15 Y1D4 90SCWSY3*SPRING WASHER31 9160B3180*P.C.BB31801 9211AN7815*BICAN78151U20 9311AN7805*BICAN78052U21.22 9411AN7915*BICAN79151U19 9576H550000151HEAT SINKH-5501IC XC56009F 5676H49600031*HEAT SINKH-4963U19.20.22 9776H19800123*HEAT SINKH-1981U21 98SCCR*T3008B*SCREWCRTS 3x8 B3U19.20.22 99SCCR*T3006Y*SCREWCRTS 3x6 Y1U21 100 SCWSY3*SPRING WASHER3 3 PARTS (4/4) Meno PCB Assembly FSYNC TOSLINK NPUT NPUT S DATA N 44 1K 2 8224M S DATA IN MUTE FLAG FLAG 44 1K IN 2 8224M N DATA FL FR DA TA SL SR DA TA C SUB DATA FL FR DA TA SL SR DA TA C SUB DATA 2 8224M 44 1K (FOR 4 SCREEW GROUND USE) COAX AL 1 COAXAL OUTPUT CALNPUT SELECT SW OPTICAL NPUT COAXIAL NPUT B+5V A B+5D B+5V WCK BCK MCK MUTE L REST L DGND DGND A B+5D B+5V WCK BCK MCK MUTE L REST L DGND DGND A B+5D B+5V WCK BCK MCK MUTE L REST L DGND DGND RCA JACK OUTPUT FRONT L CH FRONT R CH CENTER CH SUB CH REAR L CH REAR R CH L C R SUB SL SR L C R SUB SL SR DB25 JACK INPUT OUTPUT DB25 JACK AC NPUT WITH HEATSINK WITH HEATSINK W TH HEATSINK DTS S GNAL LED DTS INDICA TOR SIGNAL INDICA TOR POWER INDICA TOR B+15V SIGNAL DTS POWER B+15V S GNAL DTS POWER MAIN PCB B3180 LED PCB B3181 WITH HEATSINK H 042 H-496 FEMALE JACK MALE JACK 3963 TY PE H 496 H 496 HEAT S NK H-550 RCA JACK HSP-252V3 12 J6 RCA JA CK HSP 246V6- 39 A A2 A3 A4 A5 A6 B B2B B3 B5 MD7MD7B3 MD5MD5A3MD0MAMAMD MD4MD4A4MDMA2MA2MD2 MD3A5MD2MA3MA3MD3 MD2MD3MD3MA4MA4MD4 MDMD2MD4MA5MA5MD5 MD0MDMD5MA6MA6MD6 MD0B5MD7MA8MA8 MA9MA9 E ROM-CEE ROM-CEMA 0MA 0E ROM CE AGAGEXMAMAOE MU EMU EA6MA 2MA 2 SRAM-CESRAM-CEMA0MA 3MA 3 SRAM WEMA2MA 5 MA 6 SRAM WE SRAM-CE MA 5 MA 4 MA 3 MA 2 MA 0 MA9 MA8 MA7 MA6 AMA5 A2MA4 VCC GND C 0 47uH C2 U CS84 2 C CD 2 CC0 3 CB E2 4 CA E 5 C0 E0 VCC DGND EX 9 RXN 0 S NC SCK 2 CS 2CK 3 U CB SE 6 M3 7 M2 8 MCK 9 I 20 AGND AVCC M0 M 24 ER 25 SDA A 26 CE2 27 VRE 28 D ED R K C3 04 50V C4 04 50V C5 04 50V C6 04 50V RCA R2 75 C7 47u 25V R3 22K R4 4K7 C8 0 R5 0K C9 04 50V C 0 47u 25V 2 47uH EMI 0 3 U2 DS 560098 GNDA MA 6 80 MA 7 MWR 78 MRD GO0 76 GO 75 GO2 74 GO3 73 GNDD 72 MD0 7 VCCD MD 69 MD2 68 MD3 67 GNDD 66 MD4 65 MD5 64 MD6 MD7 62 DR MCS0 MA 5 3 MA 4 4 MA 3 VCCA 6 MA 2 GNDA 8 VCCQ GNDQ 0 MA MA 0 2 MA9 3 MA8 GNDA 5 MA7 VCCA 7 MA6 MA5 9 MA4 20 GNDA 2 MA3 MA2 23 MA MA0 25 SCK SC 26 EX A 27 VCCQ 28 GNDQ 29 INI 30 GND CA 32 VCC 33 GNDS 34 M DO SDA 35 RESE 36 MODA RQA 37 MODB OQB MODCNMI 39 VCCS MOSI 4 SS HA2 42 HREQ GNDS 44 SDO2 SDO 46 SDO0 VCCS 48 SCK 49 WS 50 SCKR 5 GNDQ VCCQ 53 GNDS WSR 55 SD SD 0 57 SDO 58 DSI DS0 DSCK OS 60 U3 M27C 00 A0 A A2 0 A3 9 A4 8 A5 7 A6 6 A7 A6 27 A9 26 A 0 23 A 25 A 2 4 A 3 28 A 4 A 5 3 A 6 N C 30 V GM 3 D0 D 4 D2 5 D3 7 D4 8 D5 9 D6 20 D7 CE 22 OE 24 C 2 04 50V C 3 04 50V C 4 04 50V C 5 04 50V C 6 04 50V C 7 04 50V C 8 0 50V C 9 04 50V C20 04 50V Q2 2SC 8 5 R6 22 C22 47050V D2 N4002 C24 04 50V U5A 74HCU04 2 U5B 74HCU04 34 2 RCA 2 U6A 74HC08 3 U6B 74HC08 4 5 6 C25 04 50V U6 74HC08 9 0 8 R 2 00k R 3 00 26 04 50V 27 04 50V 28 04 50V 29 04 50V 30 04 50V 3 04 50V 32 04 50V 33 04 50V R 4 0K R 5 0K R 6 0K R 7 470 R 8 K C34 0u 50V C35 04 50V EMI 02 3 2 EMI 02 2 U7 CM 7 6 RCIN DIN 2 BCKIN 3 C KO 4 X I X O 6 DGND VDD 8 VCC2R AGND2R 0 EX R NC VOU R 3 AGND MIS 28 MCDM 27 MDDM0 26 MU E 25 MODE CS WO 23 RS ZERO 2 VCC2 AGND2 9 EX 8 NC VOU 5 VCC R 9 0K R2 3K9 R22 3K9 R25 0K R26 0K R27 K R28 0K 29 0K C46 47u 25V + - U8A AD7 2 3 2 84 + - U8B AD7 2 5 6 7 84 R30 47K + U9A AD7 2 3 2 84 + - U9B AD7 2 5 6 7 84 + - U 0A AD7 2 3 84 R38 2K2 + - U 0B AD7 2 5 6 7 84 R40 00K R4 2K2 R42 2K2 U CM 7 6 RC N DIN 2 BCK N 3 C KO 4 X I X O 6 DGND VDD 8 VCC2R AGND2R 0 EX R NC VOU R 3 AGND MI S 28 MCDM 27 MDDM0 26 MU E 25 MODE CS WO 23 RS ZERO 2 VCC2 AGND2 9 EX 8 NC VOU 5 VCC R43 0K R45 3K9 + - U 2A AD7 2 3 2 84 + - U 2B AD7 2 6 7 84 R49 47K R50 3K9 R5 3K9 + - U 3A AD7 2 3 2 84 + - U 3B AD7 2 6 7 84 + - U 4A AD7 2 3 2 84 R56 00K R57 2K2 R58 2K2 + - U 4B AD7 2 5 7 84 R59 00K C7 R60 2K2 R6 2K2 C78 47u 25V U 5 CM 7 6 RCIN DIN 2 BCKIN 3 C KO 4 X I X O 6 DGND VDD 8 VCC2R AGND2R 0 EX R NC VOU R 3 AGND MIS 28 MCDM 27 MDDM0 26 MU E 25 MODE CS WO 23 RS ZERO 2 VCC2 AGND2 9 EX 8 NC VOU 5 VCC R62 0K + - U 6A AD7 2 3 2 84 + - U 6B AD7 2 5 6 7 84 R7 3K9 R72 3K9 + U 7A AD7 2 3 2 84 + - U 7B AD7 2 5 6 7 84 + - U 8A AD7 2 84 R75 00K C9 0 R76 2K2 R77 2K2 + - U 8B AD7 2 5 6 7 84 R78 00K R79 2K2 U 9 RC79 5 IN 2 OU GND D3 4 02 R80 5K R8 5K R82 5K R83 5K R84 5K R85 5K R86 K Q9 2SA 0 5 R87 0K Q 0 2SC 8 5 R88 22K C 0 0u 50V D5 Z 5V 0 5W Q 2SC 8 5 D6 Z4 7V 0 5W C 04 00u 25V 06 00u 25V 3 EMI 02 3 4 EMI 02 3 5 EMI 02 3 6 3 C 08 CA N C 09 CA N 7 3 8 EMI 02 9 EMI 02 3 0 3 EMI 02 2 2 EMI 02 3 B+G D R 3 G6A-2-H 5 6 7 84 3 2 R89 00 R90 00 R9 00 U20 RC78 5 IN 3 GND OU U2 RC7805 IN 3 GND 2 OU U22 RC7805 IN 3 GND 2 OU D 0 N4002 C2 47u 25V R95 220K C3 00u 25V 4 00u 25V Q 2 2SC 8 5 R97 330K 2 BEAD 3 BEAD C5 04 50V R98 00K U23A 74HC 25 23 EMI 2 0 3 Q 3 2SC2235 C6 03 50V D 2 N8 R 0 4K7 R 02 K 0 5W R 03 K 0 5W R 04 K 0 5W C7 04 50V C9 04 50V C 23 04 50V C 24 04 50V C 25 04 50V C 26 04 50V U6D 74HC08 2 U23C 74HC 25 U23D 74HC 25 C 27 04 50V R 08 00K Q 5 2SC 8 5 C 36 04 50V C 37 04 50V 6A RCA6 2 3 6B RCA6 4 5 6 6C RCA6 7 8 9 R 09 47K R0 47K R ORX 76 2 3 4 56 R2 2K2 R3 2K2 R4 2K2 R6 2K2 R7 2K2 Q5 2SC3327 Q6 2SC3327 Q7 2SC3327 Q8 2SC3327 Q3 2SC3327 Q4 2SC3327 C70 0u 50N C66 0u 50N C89 0u 50N C85 0u 50N C6 0u 50V C59 0u 50V C62 0u 50V C80 0u 50V C39 0u 50V C36 0u 50V C38 0u 50V C37 0u 50V C8 0u 50V C79 0u 50V C 28 0u 50V C23 00u 25V Q 2SC 8 5 C42 222 50V C4 22 50V C 3802 50V C54 47u 25V C53 0 R20 47K C40 332 50V C 30 680 R23 3K9 R24 3K9 C49 222 50V C48 22 50V R34 3K9 R33 3K9 R32 3K9 R3 3K9 C 3902 50V C7 0u 50V C56 0u 50V C52 0u 50V C57 0 C58 47u 25V C73 0 C74 47u 25V C 40 02 50V C64 22 50V C65 222 50V R47 3K9 R48 3K9 C 32 680 R46 3K9 C63 332 50V R44 47K C67 332 50V C 33 680 R52 3K9 R53 3K9 C69 222 50V C68 22 50V C76 0u 50V C 4 02 50V R5 2K2 R64 3K9 R65 3K9 R63 47K C82 332 50V C 34 680 R66 3K9 R67 3K9 C84 222 50V C83 22 50V C9 0u 50V C 42 02 50V C93 47u 25V R73 470 W R74 470 W B+G D R 2G6A-2-H 5 6 7 84 3 2 D9 N4002 C97 47u 25V C95 0u 50V C 43 02 50V C87 22 50V C88 222 50V C 35 680 R70 3K9 R69 3K9 R68 47K C86 332 50V R35 470 W R36 470 W D7 N4002 R54 470 W R55 470 W B+G D R G6A-2-H 5 6 7 84 3 2 D8 N4002 C8 47u 25V N + D4 S4VB R 07 2K2 0 5W C98 2200u 25V C99 2200u 25V C 2 04 50V C 00u 25V D N4002 C0 00u 25V R99 2K2 R37 2K2 R39 00K R96 5K6 R 2000 R 200 R 2200 C 22470u 6V N OSC MZH 4 4 78 40-00 C92 3 23 4 SW SS004- 022B -8 2 36 5 DBR25S K025 3 25 24 23 0 22 9 2 8 7 9 6 8 5 7 6 5 4 2 DBR25M KO 25 2 24 23 0 9 8 7 9 8 7 6 3 5 2 4 3 934I 4 934I D 5 934I 4 ED 746 2 3 4 5045 4 2 3 4 3 3963-3 2 3 C 03K 50V U23B 74HC 25 56 4 Q 4 2SC 8 5 R 06 0 R 05 00 C440 C2 22U 6V C 48 0U 50V C 460U 50V C 47 0U 50V R7 75 R 00 470K C96 2 C5 050V C55 050V C7 050V C75 050V C90 050V C94 03 50V C47 332 50V C 3 680 C45 473 50V C 29 4 7u 50V C60 0u 50V C43 0u 50N C50 0u 50N C 20 47U25N C 02 04 50V C 03 04 50V C 05 04 50V C 07 04 50V 3 A 250V 4 A 250V U4 AS7C256-20 C A0 A 9 A2 8 A3 7 A4 6 A5 5 A6 4 A7 A8 25 A9 24 A 0 2 A 23 A 2 2 A 3 26 A 4 D0 D 2 D2 3 D3 5 D4 6 D5 7 D6 D7 9 WE 27 OE 22 CE 20 R68 5W R9368 5W R9468 5W 00 000u 25V 347uH R9 0Kx5 R 0 0Kx5 R0Kx6 R8 0K x8 R9 00 R8 80 2W R92 80 2W C 44 04 C 45 47U25N O CHASSS GND O CHASSS GNDO CHASSS GND O CHASSIS GND O CHASSIS GND O CHASSIS GND O CHASS S GND O CHASSS GND MU E Schematic Diagram