NAD-C352-int-sm 维修电路原理图.pdf
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1、NADSERVICE MANUAL C 352STEREOAMPLIFIERC 352STEREOAMPLIFIERMay 2005 RadioFans.CN 收音机爱 好者资料库ALIGNMENT PROCEDURE (C352) I. INITIAL ADJUSTMENT (No load connected) A. OUTPUT OFFSET VOLTAGE 1. Connect a DC Millivoltmeter to L Channel speaker output terminals. 2. Turn unit “ON” and adjust VR101 (100ohms) t
2、o get a reading on IC107 Pin 1, which must be 100mV. 3. Connect the DC Millivoltmeter to R Channel speaker output terminals and adjust VR102 (100ohms) to get a reading on IC108 Pin 1, which must be 100mV. B. IDLING CURRENT 1. Leave power “ON” for a minimum of 5 minutes. 2. Connect a DC Millivoltmete
3、r to TP101 and TP102, then adjust VR103 (300ohms) for 5-6.5mV reading on meter. 3. Connect a DC Millivoltmeter to TP103 and TP104, then adjust VR104 (300ohms) for 5-6.5mV reading on meter. II. FINAL ADJUSTMENT Repeat procedure A and B for offset voltage and idling current alignment respectively. Rad
4、ioFans.CN 收音机爱 好者资料库1TRI GAC2AC1STBYI / VAC2I/V+5. 6V+5.6VAGNDACOFFSTBYTRIGACOFFDGNDAC1D4011N4148R4110.11122334455P405B5PIN3.96-C1122P901A2PIN3.96-A300C40410nF12P404BACOUTLETQ4072SA970312SCR402BT151-500R+C4022200uFt151062TR401T972 STANDBY TANSNSFORMERQ4022SC1815R4120.13412RL401DH1U 24VDC TV-5Q4032SA
5、10151122P403B2PIN7.92-C12S901PS4E-B-039R4091KC40110nFC40610nFR40422K+C40722000uFR410100R40210KR407100R40322KR4142.2KR4011.5K1122P402B2PIN7.92-CC40510nF11223344P407B4PIN3.96A1001122P401B2PIN3.96-CR4051K1122334455667788991010P406B10PIN2.54-C312SCR401BT151-500RR4152.2MD4031N5404+-BR403KBU8D+-BR401DB104
6、Q4042SA970R41615K12J401JUMPERD4021N4148+-BR402KBU8DHS40270-004003-012J402JUMPER+C40822000uFR4061KR413220D4041N4007HS40370-004003-0Q4012SC1815Q4052SC2240Q4062SA970O3I1G2IC401LM7805C40310nFR4081KHS40170-004004-0+C4094.7uF+50V+5.6VSTBY+5.6VDGND/250V/3WFROM AC INLETTO MAIN TRANSFORMERTO POWER SWITCHTO A
7、C OUTLET/100V1A/400V/16V/63V/63V/50V/250V/63V/63VFROM FUSE BOARDTO STANDBY BOARD/3WTO MAIN BOARDFOR IC401FOR SCR401&BR402FOR SCR402&BR403FOR C VERSIONFOR AH VERSIONC352 POWER SWITCH BOARDPOWER SUPPLYIRINVOL+TAPE2AUXMUTEVOL+CDIROUTVIDEOTAPE1VOL-VIDEOPREMUTEPWLEDVOL-SCLEDTAPE2+12VSTBYAUXIROUTTUNERCDDI
8、SC+5.6VTAPE1IRINTUNERPREMUTEDISCDGNDR30647034RL302AHRS2H-S-DC12V-ACW645RV304BRK16312A10D 20KMNX2R361100KR3211megC320100nF56RL305BHRS2H-S-DC12V-AC312100pF345RL308AHRS2H-S-DC12V12RL305CHRS2H-S-DC12V-AR3311megR3413.3K1122334455667788991010P301B10PIN2.54-CQ3042SA1015R3493.6KD3031N4148CW645RV301BRK163121
9、A2CA 10KAX2+C34610uF13RCA301AAV6-8.4-13R318470C304100pFR304470+C34810uFR3632.2KR3361megC316100pF123S301ASPUN19K605R34639012RL308CHRS2H-S-DC12VCW7328RV303BRK16812MGA10(20KBX2)R315470R3251megR305470Q3062SC1815CW312RV302ARK163121A2CA 10KAX289RCA301FAV6-8.4-13C315100pF89RCA303FAV6-8.4-13R347180C309100pF
10、R345390R35910MEGR309470D3071N4148R3564.7K456S301BSPUN19K605C306100pFR30347012RL306CHRS2H-S-DC12VC328100nFQ3052SC1815+C33510uFR3721K56RL303BHRS2H-S-DC12V-AR3321meg+C35047uFC32522nFR3652.2K+C34047uFR3423.3K56RCA302DAV6-8.4-13R3G110C310100pFC332950nFR362100K34RL301AHRS2H-S-DC12V-AQ3072SA1015C333470pFC3
11、51100nFR3511.6K12RL302CHRS2H-S-DC12V-AC305100pFR3221megR3672.2K56RL307BHRS2H-S-DC12V-AR37033C337100nF112233445566778899M301AMP MODULEC338100nFC323100nFR3201megQ3022SK363D3011N4148678RL306BHRS2H-S-DC12V+C34710uFC334470pF46RCA304CAV6-8.4-13R3261megC344220pFR317470Q3012SK363C3G1100nFC342100nF23RCA303BA
12、V6-8.4-1356RL301BHRS2H-S-DC12V-AR311470C303100pFCW312RV301ARK163121A2CA 10KAX2R3662.2K34RL304AHRS2H-S-DC12V-AR35339056RCA304DAV6-8.4-13R34382013RCA303AAV6-8.4-13CW645RV302BRK163121A2CA 10KAX2C319100nFCW312RV304ARK16312A10D 20KMNX2R316470321J301ASCJ351P00XS0B00C3494.7uFR301470R3682.2K+C33947uFR3301me
13、gR3521.6K+C34510uFR3503.6K34RL307AHRS2H-S-DC12V-A12RL301CHRS2H-S-DC12V-AR3691K12RL303CHRS2H-S-DC12V-AC341100nF13RCA302AAV6-8.4-13C308100pFR3351meg12RL307CHRS2H-S-DC12V-AR3398.2KC313100pF112233445566778899M302AMP MODULE23RCA301BAV6-8.4-13678RL308BHRS2H-S-DC12VC307100pFR302470R348180C32622nFD3081N4148
14、654J301BSCJ351P00XS0B00R3381meg56RCA301DAV6-8.4-13D3061N4148R3554.7KR36010MEGC317100pFA-+-RV303CRK16812MGA10(20KBX2)R3291megR3341meg56RL304BHRS2H-S-DC12V-A46RCA301CAV6-8.4-13D3051N4148R3191megC330230nFR314470R3331megR37310C314100pFR37110KR3281megR3371megC311100pFR3271meg23RCA302BAV6-8.4-1379RCA301EA
15、V6-8.4-13R3576846RCA303CAV6-8.4-13D3021N41481122334455667788P302B8PIN2.54-CC302100pF+C322100uFC324100nFR3586812RL304CHRS2H-S-DC12V-A79RCA303EAV6-8.4-1389RCA302FAV6-8.4-13C327100nFC301100pFC329230nF13RCA304AAV6-8.4-1346RCA302CAV6-8.4-13C318100pF34RL305AHRS2H-S-DC12V-AR312470R344820345RL306AHRS2H-S-DC
16、12VR354390CW6145RV303ARK16812MGA10(20KBX2)D3041N4148R3642.2KC343220pFR3241meg79RCA302EAV6-8.4-1334RL303AHRS2H-S-DC12V-AR308470R3408.2KQ3082SC1815R3231meg23RCA304BAV6-8.4-13R31347056RCA303DAV6-8.4-13R307470+C33610uF+C321100uF56RL302BHRS2H-S-DC12V-AQ3032SA1015C331950nFR310470+12V+12V+5VDGNDDGND+5VDGND
17、DGND+18VGND_EARTHAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGNDAGND/1%/1%/1KV/1KV/63V/63V/16V/1KV/50V/1%/63V/1KV/1KV/63V/1KV/1KV/1KV/50V/5
18、0V,5%/1%/1KV/1KV/63V/1%/1%/1%/1KV/1KV/16V/50V,5%/1KV/63V/1%/50V/50V,5%/1KV/50V/50V,5%/1KV/50V,5%/1KV/1KV/50V/1%/1KV/50V/50V/50V,5%/50V,5%/1KV/50V/1%/1KV/1%/1KV/63V/50V/1%/1%/63V/63V/50V,5%/1%/1KV/25V/63VINPUT & PREAMPLIFIER56ABCL OUTR OUT+12V+5. 6VSCLEDAGNDAC1ACOFFDGNDAGNDSTBYI/VTRIG+5.6VTRIGI/V+ 5
19、0 V+5.6VAC2L OUTR OUTQ1122SC2240R2361KD1041N4148R273100KR1774.711223344P102B4P3.96-CR270470KD12315VC13822nFC172100nFR11739KC179470pF12RL101CDH1U024VDC TV-8D1141N4148R22656KR12182L10117uHD1181N4148R275560K+C120220uFR13039KQ1302SB649R1960.068C143100nFQ1232SB647R111100R15582Q1562SC1815R12439KC182470pFR
20、2555.1KQ1522SC1815J302SCJ349P00XS0B01R160330C134100nFR261220KR1980.068C180470pFC177470nFC11522pF1234J101BINDDING POSTD1201N4148+-321IC107ATL082BCPR17610KR20222C101100nF+C1542200uFC153100nFL1061uHR21015KR133220KR230220R166330+C10410uFQ1422SC3264R13982R2764.7KR2845.6KR27147K+-321IC106ATL082R19339R1721
21、0KR12833Q1352SD669R18533+C16547uFD1151N4148D1081N4148Q1052SA9701122334455P103B5PIN2.54-C564123S101SK-22F03-G7R29056KQ1382SB649R149100KR2211Q1632SD669R243680R21822KR22422KC14610nFR1794.7C136100nFR2341KR12282Q1592SC1815R12339KR263470D11220V231IC101TL431R28310R26256KR1682.7KR2112.7KR1633.3D1011N4148+C1
22、0310uF+C1552200uFR20122R229220R282100R1613.3R18922R26947K+-56784IC106BTL082R18833Q1392SA1295R1623.379RCA304EAV6-8.4-13R13882L10317uHR14482Q1342SD669L1051uHC16222pF231IC104TL431+C11122uFR2071KQ1602SD669R13782R134220KR14082R25122Q1252SD667+C12447uFR258330KR12633R181390R213150R1572.7KQ1162SA970Q1142SA9
23、70C192100nFC178470nFR28956KR136220K12CB10190C THERMAL BREAKERD1031N4148C156100nFR264100KD1021N4148C133100nFR247680D1061N4148R1970.068Q1082SC2240+C121220uFQ1242SB647R1643.3C190100nFC142100nFR2081KD11120VR2221+C161220uFR151100K+C1402200uFQ1412SC3264R1804.7R1784.7R2524.7KR241680D1071N4148+C12647uF+C147
24、10uFR288220KC13722nFR214150R18733R11510Q1192SA970CW132VR102100C135100nFQ1202SA970+C16447uFR14247C157100nFR17410KR265100KR244680R21722KR12939K+C150330uFR18633D1101N4148D1171N4148Q1642SC1815C11722pFR15682+C10810uF231IC103TL431R14147R2151.2KR25610KR101220KR19222R17010KR268330KR17110KR239680R27710KQ1372
25、SB649D1051N41481122334455667788991010P101B10PIN2.54-CR184470+C14810uFQ1512SC1815Q1182SC2240Q1362SD669R12733Q1062SA970R14382R159330R1582.7KQ1292SB649R165330R287220K+C12347uFR240680R15482R272100KR26639KR242680Q1102SC2240R112100C105470pFR2236.8KR2161.2KL10217uHR20039R13139KR13239KR145100D1161N4148C1911
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- NAD-C352-int-sm 维修电路原理图 NAD C352 int sm 维修 电路 原理图