InterM-L800-pwr-sm 维修电路原理图.pdf
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1、SERVICEMANUALL-800/1400/1800/2400L-800/1400/1800/2400RadioFans.CN 收音机爱 好者资料库 CONTENTS CONTENTS Electrical Adjustment Procedure Specifications Electrica Parts List Top and Bottom View of P.C.Board . Block Diagram Wiring Diagram Schematic Diagram . Exploded View of Cabinet & Chassis / Mechanical Parts
2、 List. Assy Drawing . REQUIRED TEST EQUIPMENT 1. Oscilloscope 2. 1kHz audio sine wave generator 3. Digital multimeter 4. 2-ohm resistive load (rated for at least 1200W) IDLE CURRENT(L-800/1400) 1. Setting set the master volume controls minimum 2. Connection 3. AdjustmentW h i l e me a s u r i n g t
3、h e DC v o l t a g e a c r o s s r e s i s t o r R 130 a n d R 230 a d j u s t VR 100 a n d VR 200, r a n g e a s s h o w n b e l o w .M o d e lL -8 00L -1400 CURRENT LIMITS(L-800/1400) 1. Setting Channel 1 input : Set the 1kHz sine generator connect Channel 1 output : Connect a 2-ohm load and the o
4、scilloscope probe across 2. Adjustment Turn the volume control back up until the output clips. The voltage at which the signal stars to clip should fall within the range shown below M o d e lL -8 00L -1400 * R e p e a t s t e p s 1 t h r o u g h 2 f o r Ch a n n e l 2140mV 18 0mVCh a n n e l 1 : DC
5、v o l t a g e a c r o s s R 130( 6. 8 / 1W ) , a d j u s t VR 100120mV 160mVCh a n n e l 2 : DC v o l t a g e a c r o s s R 230( 6. 8 / 1W ) , a d j u s t VR 200DC v o l t a g e r a n g eA d j u s t27V 31V34V 38 VA d j u s tCh a n n e l 1 : A d j u s t VR 101 & VR 102 f o r s y mme t r yCh a n n e l
6、 2 : A d j u s t VR 201 & VR 202 f o r s y mme t r yCl i p p i n g v o l t a g e r a n g e ( 2-o h m) REQUIRED TEST EQUIPMENT 1. Oscilloscope 2. 1kHz audio sine wave generator 3. Digital multimeter 4. 2-ohm resistive load (rated for at least 1200W) IDLE CURRENT(L-1800/2400) 1. Setting set the master
7、 volume controls minimum 2. Connection 3. AdjustmentW h i l e me a s u r i n g t h e DC v o l t a g e a c r o s s r e s i s t o r R 134 a n d R 234 a d j u s t VR 100 a n d VR 200, r a n g e a s s h o w n b e l o w .M o d e lL -18 00L -2400 CURRENT LIMITS(L-1800/2400) 1. Setting Channel 1 input : Se
8、t the 1kHz sine generator connect Channel 1 output : Connect a 2-ohm load and the oscilloscope probe across 2. Adjustment Turn the volume control back up until the output clips. The voltage at which the signal stars to clip should fall within the range shown below M o d e lL -18 00L -2400 * R e p e
9、a t s t e p s 1 t h r o u g h 2 f o r Ch a n n e l 2DC v o l t a g e r a n g eA d j u s t70mV 110mVCh a n n e l 1 : DC v o l t a g e a c r o s s R 134( 3. 3 / 1W ) , a d j u s t VR 10060mV 100mVCh a n n e l 2 : DC v o l t a g e a c r o s s R 234( 3. 3 / 1W ) , a d j u s t VR 20046V 50VCh a n n e l 2
10、 : A d j u s t VR 201 & VR 202 f o r s y mme t r yCl i p p i n g v o l t a g e r a n g e ( 2-o h m)A d j u s t41V 45VCh a n n e l 1 : A d j u s t VR 101 & VR 102 f o r s y mme t r y S p e c i f i c a t i o n S p e c i f i c a t i o nL-800L-1400L-1800L-2400Power Output Level STEREO RL=8200W280W360W50
11、0W RL=4300W450W600W750W RL=2430W700W900W1200W BRIDGED RL=8600W900W1200W1500W RL=4800W1400W1800W2400WFrequency Response RL=8 , P.=1WTHD+Nf=20Hz20kHz, Half Power(L-800/1400)1/10Power(L-1800/2400)STEREO RL=8 & 4BRIDGED RL=8Channel Separation Half Power RL=8 ,f=1kHz, ATT. max. Input 600 shuntResidual No
12、ise (DIN Audio Filter)Signal-to-Noise Ratio DIN Audio,Input 600 ShuntInput Sensitivity (Rated Power into 4 1kHz)2.7dBu2.7dBu3.5dBu3.5dBuDamping Factor RL=8 , f=1kHzVoltage Gain (ATT max.) 4 1kHz30dB32dB33dB34dBOutput CircuitryAB ClassAB ClassH Class H ClassInput Impedance (ATT max.)IndicatorsFan Cir
13、cuitPower SourcePower Consumption(1/8 POWER)3A3.5A4A4.5AWeight14Kg14.4Kg15Kg15.6KgAppearance0dB=0.775 Vrms, Half Power=1/2 Power Output Level (Rated Power) This specification and performance might change without a prior notice depending on the companys situations.Low-Speed - Variable - Hi-SpeedAC 22
14、0V, 60Hz482(W) x 88(H) x 369(D)mmConnectorInput XLR-3-31 type + 1/4”Phone (balanced), XLROutput 5-Way binding posts2, Speakon Terminal2 Mode SelectorYellowProtectionPower SW ON/OFF muting, Full short circuitThermal protection, RF protection SignalGreen ProtectionRed PowerBlue Clip / LimiterRed -85dB
15、: ATT min. 100dB 400 20k (Balance/Unbalance)20Hz20kHz : 0/1dB, -3dB : 5Hz70kHz 0.03% 0.03% 80dBR EFI TEM _ N ODEFI N EVA L U ER EFI TEM _ N ODEFI N EVA L U EBD4002058 100500 DI ODE BR I DG E G BPC-W 2504G BPC2504BD4022058 100500 DI ODE BR I DG E G BPC-W 2504G BPC2504BD404S 22201500009 DI ODE BR I DG
16、 E DBS 105GDBS 105GC100S 351018 15331 CA P CE C 18 0PF 50V 08 05( 2012)18 0PC10134098 47021-T CA P A F N P 47U F 10V47/ 10 N PC102S 351018 15331 CA P CE C 18 0PF 50V 08 05( 2012)18 0PC103S 35101044344 CA P CE0. 1U F 50V J ( 3216)0. 1/ 50( 3216)C104S 35101044344 CA P CE0. 1U F 50V J ( 3216)0. 1/ 50(
17、3216)C1053409210141-T CA P A F R S G 100U F 25V 6 P100/ 25C106S 35101044344 CA P CE0. 1U F 50V J ( 3216)0. 1/ 50( 3216)C1073609224122-T CA P M A 0. 22U F 100V J M I N I0. 22/ 100( M )C1083609154122-T CA P M A 0. 15U F 100V M I N I0. 15/ 100( M )C1093609154122-T CA P M A 0. 15U F 100V M I N I0. 15/ 1
18、00( M )C110S 35105604331 CA P CE C 56PF 50V J 08 05( 2012)56PC1113409222171-T CA P A F R S G 220U F 50V S G 10 P220/ 50C112S 35105604331 CA P CE C 56PF 50V J 08 05( 2012)56PC1133409222171-T CA P A F R S G 220U F 50V S G 10 P220/ 50C1143609223120-T CA P M A 0. 022U F 100V J0. 022/ 100( M )C115S 35102
19、224344 CA P CE2200PF 50V J ( 3216)2200PF( 3216)C1163609332120-T CA P M A 0. 0033U F 100V0. 0033/ 100( M )C1173609332120-T CA P M A 0. 0033U F 100V0. 0033/ 100( M )C1183609223120-T CA P M A 0. 022U F 100V J0. 022/ 100( M )C1193409247255 CA P L P472Z08 00400 4700U F 8 0V4700/ 8 0C1213409247255 CA P L
20、P472Z08 00400 4700U F 8 0V4700/ 8 0C123360968 3153-T CA P TL 0. 068 U F 250V( S A M W HA )0. 068 / 250( M )C1253409247044-T CA P R G 47U F 25V47/ 25C1263609102120-T CA P M A 0. 001U F 100V0. 001/ 100C200S 351018 15331 CA P CE C 18 0PF 50V 08 05( 2012)18 0PC20134098 47021-T CA P A F N P 47U F 10V47/
21、10 N PC202S 351018 15331 CA P CE C 18 0PF 50V 08 05( 2012)18 0PC2053409210141-T CA P A F R S G 100U F 25V 6 P100/ 25C206S 35101044344 CA P CE0. 1U F 50V J ( 3216)0. 1/ 50( 3216)C2073609224122-T CA P M A 0. 22U F 100V J M I N I0. 22/ 100( M )C2083609154122-T CA P M A 0. 15U F 100V M I N I0. 15/ 100(
22、M )C2093609154122-T CA P M A 0. 15U F 100V M I N I0. 15/ 100( M )C210S 35105604331 CA P CE C 56PF 50V J 08 05( 2012)56PC2113409222171-T CA P A F R S G 220U F 50V S G 10 P220/ 50C212S 35105604331 CA P CE C 56PF 50V J 08 05( 2012)56PC2133409222171-T CA P A F R S G 220U F 50V S G 10 P220/ 50C2143609223
23、120-T CA P M A 0. 022U F 100V J0. 022/ 100( M )C215S 35102224344 CA P CE2200PF 50V J ( 3216)2200PF( 3216)C2163609332120-T CA P M A 0. 0033U F 100V0. 0033/ 100( M )C2173609332120-T CA P M A 0. 0033U F 100V0. 0033/ 100( M )C2183609223120-T CA P M A 0. 022U F 100V J0. 022/ 100( M )C2193409247255 CA P L
24、 P472Z08 00400 4700U F 8 0V4700/ 8 0C2213409247255 CA P L P472Z08 00400 4700U F 8 0V4700/ 8 0C223360968 3153-T CA P TL 0. 068 U F 250V( S A M W HA )0. 068 / 250( M )C2253409247044-T CA P R G 47U F 25V47/ 25C2263609102120-T CA P M A 0. 001U F 100V0. 001/ 100C4003609224153 CA P TL 0. 22U F 250V J ( 10
25、M M )0. 22/ 250C4013609224153 CA P TL 0. 22U F 250V J ( 10M M )0. 22/ 250C40534092478 01 CA P A F S G 4. 7U F 250V4. 7/ 250C4063409247071-T CA P A F R S G 47U F 50V 6 P47/ 50C407S 35101044344 CA P CE0. 1U F 50V J ( 3216)0. 1/ 50( 3216)L -8 00 L -8 00 A M P( 4005179100)A M P( 4005179100)R EFI TEM _ N
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