Arcam-P7-pwr-sch维修电路原理图.pdf
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1、ISSUE DRAWING NO. DRAWING TITLE DATE Filename: ECO No.DESCRIPTION OF CHANGE L924C1_1.1.sch P7 Amplifier Module Contact Engineer: L924CT 7-Mar-2002 INITIALS Printed:13Sheetof Notes: Contact Tel:(01223) 203200Jonny Reckless A & R Cambridge Ltd. Pembroke Avenue Cambridge CB5 9PB Waterbeach EMC 1 N F SK
2、103 PHONO2G C104 1N0 SM 0V_SIG 0V_LS THERMPROT VIPROT DCPROT RLY101A RLY G2R-1E-24DC 16A SPDT RLY101B RLY G2R-1E-24DC 16A SPDT +24V_DIG MUTE OUT RLY 1 2 3 4 5 6 7 8 9 10 SK104 10WAY-H-0.1-F FAULT D101 BAS16W SM C103 100N SM L101 2U2 AIR CORED R103 2R2 MF R104 100R SM 0V_DIG +24V_DIG OUT RLY INPUT NF
3、B OUTPUT EMITTER1 EMITTER2 BASE1 BASE2 L924C2 L924C2_1.1.sch VIPROT DC EMITTER1 EMITTER2 OUTPUT BASE1 BASE2 THERM FAULT L924C3 L924C3_1.1.sch VIPROT DCPROT FAULT SP101 STAR_8 0V_PSU 0V_LS0V_ZOB 0V_SIG 0V_HF THERMPROT SK105 4MM 2W HOR TP100 TP101 TP112 TP111 TP103 TP102 TP104 TP105 TP106 TP107 TP108
4、TP109 TP110 1 2 PL100 2WVERTJUMPER NB: Nets +24V_DIG and 0V_DIG are isolated from amplifier circuit Z100 L924PB PCBHEATSINK INSULATOR M3 TAPTITEM3 TAPTITEM3 TAPTITEM3 TAPTITE SUB PANEL SCREWSCREWSCREW SUB PANELSUB PANELSUB PANEL Z102 E915HK Z107 HB3B12A Z108 HB3B12A Z109 HB3B12A Z110 HB3B12A Z101 E1
5、07AY Z103 HF4V09B Z104 HF4V09B Z105 HF4V09B Z106 E950MC 02_E055JR4/3/2002FIXED DC FAULT AT POWER ON SEQUENCE BY FEEDBACK1.1 Electrical ground star point Inputs Amplifier circuitProtection and supplies To microprocessor PCB NB: Feedback around relay not fitted Microprocessor GND Microprocessor +24V M
6、UTE not used Output relay control Not used Thermal protection SOA protection DC offset protection Overall fault signal NB: Signals THERMPROT, VIPROT, DCPROT and FAULT are open collector outputs, active low, referenced to 0V_DIG with no pull up resistors Not used TRANSISTOR RadioFans.CN 收音机爱 好者资料库 Do
7、wnloaded from http:/receiverfaq.ru/ ISSUE DRAWING NO. DRAWING TITLE DATE Filename: ECO No.DESCRIPTION OF CHANGE L924C2_1.1.sch P7 Amplifier Module Contact Engineer: L924CT 7-Mar-2002 INITIALS Printed:23Sheetof Notes: Contact Tel:(01223) 203200Jonny Reckless A & R Cambridge Ltd. Pembroke Avenue Cambr
8、idge CB5 9PB Waterbeach R223 1K0 SM TR200 FMMT597 TR201 FMMT597 R214 47R SM R216 47R SM TR205 FMMT497 TR207 FMMT497 R217 47R SM R218 47R SM C212 470N PE 0V_SIG INPUT 0V_HF 0V_HF DZ200 15V 350MW SM DZ201 15V 350MW SM C201 100N SM C200 100N SM C202 100N SM 0V_SIG 0V_SIG D205 1N4003F D204 1N4003F R228
9、22K SM RV200 100R PSET 1 2 PL200 BIAS R225 1K0 SM R227 1K0 SM Trim output stage Iq D201 BAS16W SM R211 27K SM R213 27K SM TR210 SAP15N TR215 SAP15P DZ202 4V7 350MW SM DZ203 4V7 350MW SM R231 4K7 SM 0V_SIG TR204 FMMT497 TR203 FMMT597 + C203 100U EL + C204 100U EL R247 150R SM R249 150R SM R240 1M0 SM
10、 R221 3K3 SM R222 3K3 SM C210 470P PPW + C215 10U EL +C213 100U EL 100V +C214 100U EL 100V TR211 SAP15N TR216 SAP15P R250 150R SM R248 150R SM TR212 FMMT497 R257 1K SM R255 6K8 SM R241 1K CF 2W R242 1K CF 2W 3 2 1 84 IC200A TL072CD 5 6 7 IC200B TL072CD NFB R229 22R MF R230 22R MF R212 27K SM R210 27
11、K SM 0V_HF C217 47P/200V C218 47P/200V C220 47P/200V C221 47P/200V C205 100P/250V C207 100P/250V C209 100N X7R 1812 500V C208 100N X7R 1812 500V D203 BAV99W R219 220R MF R220 220R MF R232 560R MF R234 680R MF R233 560R MF R235 680R MF R236 R237 R238 R239 +C216 10U EL D200 BAS16W SM D202 BAS16W SM R2
12、24 1K0 SM R226 1K0 SM OUTPUT +55V -55V +C225 10U EL EMITTER1 EMITTER2 BASE1 BASE2 R245 22R SM R246 22R SM R207 100R SM R208 100R SM TR208 FMMT497 TR213 FMMT597 0V_ZOB R254 4R7 W2 CF C223 47N PE TR214 TR PNP 2SA1740 TR209 TR NPN 2SC4548 TR202 TR PNP 2SA1740 TR206 TR NPN 2SC4548 TP200 TP201 TP202 TP20
13、4 TP205 TP203 R236 THRU R239 NOT FITTED 02_E055JR4/3/2002FIXED DC FAULT AT POWER ON SEQUENCE BY FEEDBACK1.1 NF NF NF NF Input Filter V to I converter Integrating DC servo PNP current mirror NPN current mirror Pre driver Pre driver Bootstrap Output stage Output stage Pre driver bias Measure Iq RadioF
14、ans.CN 收音机爱 好者资料库 ISSUE DRAWING NO. DRAWING TITLE DATE Filename: ECO No.DESCRIPTION OF CHANGE L924C3_1.1.sch P7 Amplifier Module Contact Engineer: L924CT 7-Mar-2002 INITIALS Printed:33Sheetof Notes: Contact Tel:(01223) 203200Jonny Reckless A & R Cambridge Ltd. Pembroke Avenue Cambridge CB5 9PB Water
15、beach R338 330R SM R339 330R SM R300 100R SM R301 100R SM TR309 FMMT497 TR305 FMMT597 TR311 FMMT497 VIPROTDC R332 22K SM R321 22K SM R302 100R SM R310 100R SM R311 100R SM TR302 FMMT597 TR310 FMMT497 R320 22K SM R316 22K SM D308 22V 350MW SM D309 22V 350MW SM R341 10K SM R340 10K SM 0V_DIG R337 1K S
16、M IC300A OPTO-PC3Q66-QUAD-SM IC300B OPTO-PC3Q66-QUAD-SM D307 BAS16W SM D300 BAS16W SM C300 100N SM TR313 FMMT497 TR312 FMMT497 R314 100R SM R315 100R SM R333 22K SM D303 BAS16W SM 0V_HF 0V_HF C321 100U NP R334 4K7 SM 0V_DIG EMITTER1 EMITTER2 OUTPUT +55V -55V BASE1 BASE2 R335 22R SM R336 22R SM + 1 2
17、 - 4 3 BR300 BRGBU8D 0V_PSU +55V + 1 2 - 4 3 BR301 BRGBU8D 1 2 SK300 MOLEXPWR2WAY_R/A 1 2 SK301 MOLEXPWR2WAY_R/A -55V +C323 C AM 71V 10000U +C322 C AM 71V 10000U R343 100K SM IC300D OPTO-PC3Q66-QUAD-SM 0V_DIG R342 120K SM TH300 PTH 110DEG SM 0V_HF THERM IC300C OPTO-PC3Q66-QUAD-SM FAULT C305 100N SM
18、C306 100N SM C320 100U NP +C318 100U EL +C319 100U EL TP300 TP302 TP303 TP304 TP305 TP306 TP307 R307 39K SM R304 270R SM R305 10K SM R303 22K SM TR301 FMMT597 TR300 FMMT497 R306 10K SM D301 15V 350MW SM +C301 100U EL 02_E055JR4/3/2002FIXED DC FAULT AT POWER ON SEQUENCE BY FEEDBACK1.1 Instant SOA lim
19、iting Instant SOA limiting DC offset detection Over temperature sensing Power supplies AC from transformer AC from transformer ISSUE DRAWING NO. DRAWING TITLE DATE Filename: ECO No.DESCRIPTION OF CHANGE L925CT0_1.2.Sch P7 Amp Controller Contact Engineer: L925CT 18-Apr-2002 INITIALS Printed:14Sheetof
20、 Notes: Contact Tel:(01223) 203252Kevin Lamb A & R Cambridge Ltd. Pembroke Avenue Cambridge CB5 9PB Waterbeach 23425 Control PCB L925CT1_1.2.SCH Interface PCB L925CT2_1.2.SCH Main Switch and LED Display L925CT3_1.2.sch 1.07/02/02KAL02_E041PRODUCTION ISSUE PCB CHANGES ONLY 1.17/03/02KAL02_E054CHANGED
21、 C121 VALUE. REMOVED SOFT START PROTECTION 1.220/03/02KAL02_E061 CHANGED R200 VALUE. CORRECTED SK301 & SK302 TO 8K2402 JP100 ADDED ON SK112 PIS 1 & 2 , F102 PART CORRECTED TO 315mA ISSUE DRAWING NO. DRAWING TITLE DATE Filename: ECO No.DESCRIPTION OF CHANGE L925CT1_1.2.sch P7 Amp Controller Contact E
22、ngineer: L925CT 18-Apr-2002 INITIALS Printed:24Sheetof Notes: Contact Tel:(01223) 203252Kevin Lamb A & R Cambridge Ltd. Pembroke Avenue Cambridge CB5 9PB Waterbeach 23425 F100 T315MA 1 2 3 4 5 6 SK103 MOLEXPWR6 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 SK111 FFC16V 1 2 3 4 5 6 SK105 MOLEXPWR6 1 2 3 4 5
23、 6 SK104 MOLEXPWR6 1 2 3 4 5 6 SK106 MOLEXPWR6 230V230V115V115V POWER TO MAIN TRANSFORMERS 230V115V POWER TO AUX TRANSFORMER 1 2 3 4 SK107 MOLEXPWR4D107 1N4003 D108 1N4003 D103 1N4003 D104 1N4003 Vin I GND G Vout O REG100 7805 C103 100N PE GND1 +22VD +5VD DATA S0 S1 S2 DATA S0 S1 S2 DATA S0 S1 S2 SE
24、L_RELAY* RED1 RED2 RED3 RED4 RED5 RED6 RED7 GRN1 GRN2 GRN3 GRN4 GRN5 GRN6 GRN7 GND1 RED1 RED2 RED3 RED4 RED5 RED6 RED7 GRN1 GRN2 GRN3 GRN4 GRN5 GRN6 GRN7 SEL_RED* SEL_GRN* SEL_RELAY* FAULT1* TR108 BC547B TR111 BC547B D115 1N4148 D119 1N4148 MSOFT_ST* MPOWER GND1 1 2 SK110 IDC2S 1 2 SK109 IDC2S R131
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