Denon-DRACX3-rec-sm维修电路原理图.pdf
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1、SERVICE MANUAL MODELDRA-CX3 AM-FM STEREO RECEIVER For Europe model X0314 V.02 DE/CDM 0703 注意 前、 必読。本機、火災、感電、 対安全性確保、配慮 、法的電気用品安全法 、所定許可得製造。 従際、安全性維 持、記載 注意事項必守。 本機仕様性能改良、予告変更 。 補修用性能部品保有期間、製造打切後 8年。 Some illustrations using in this service manual are slightly different from the actual set. Please us
2、e this service manual with referring to the operating instructions without fail. For purposes of improvement, specifications and design are subject to change without notice. 修理際必取扱説明書参照上、作業行, 。 本文中使用、説明都合上現物 多少異場合。 Denon Brand Company, D (VS1+10V). 27VD1Positive supply for power stage of channel 1.
3、28VD1Positive supply for power stage of channel 1. 29VS1Negative supply for power stage of channel 1. 30VS1Negative supply for power stage of channel 1. 31PWM1PWM output of channel 1. 32PWMFB1Feedback for inner loop of channel 1. 33SUBSubstrate of IMST. 34VSNegative supply for power stage. 35VDR2Pos
4、itive supply for driver chip of channel 2 with respect to VS2;(VS2+10V). 36VD2Positive supply for power stage of channel 2. 37VD2Positive supply for power stage of channel 2. 38VS2Negative supply for power stage of channel 2. 39VS2Negative supply for power stage of channel 2. 40PWM2PWM output of cha
5、nnel 2. 41PWMFB2Feedback for inner loop of channel 2. 42ZB2For estimating the power dissipation in the zobel resister, this input is sensing the zobel voltage via a resistive network of channel 2. 43NC 44FB2Feedback for global loop of channel 2. 12 DRA-CX3 TC9184AP (IC307) PIN CONNECTION BLOCK DIAGR
6、AM 13 DRA-CX3 TC94A32F (IC306) TC74VHCT08AFT (IC504) TC74LCX08FT (IC602) 14 DRA-CX3 BA05FP (IC502) BA033FP (IC601) BR93L86RFVM-WTR (IC505) SA5532ADR (IC301) OP275GSR (IC302) NJM2068MD-TE1 (IC303) OPA2134UA (IC304,701) NJM4556AD (IC305) NJM082D (IC401) 1 2 3 1: Vcc 2: N.C. 3: Vout FIN: GND A OUTPUT A
7、 INPUT A+INPUT V B OUTPUT V B INPUT B +INPUT 1 2 3 45 7 8 6 1 2 15 DRA-CX3 NJM7812FA(SS)-#4MS (IC202) GP1UM271XK (IC503) LC72722PM-TLM-E (IC201) GNDVcc Vout Head Amp Limiter Amp BPF Detector & Comparator Integrator Hysteresis Comparator Vout Vcc GND Pin Assignment Block Diagram 124VREFSYR 223MPXINCE
8、 322VddaDI 421VssaCL 520FLOUTDO 619CIN Top view RDS-ID 718T1SYNC 817T2T7 916T3T6 1015T4Vssd 1114T5Vddd 1213XOUTXIN REFERENCE VOLTAGE ANTIALIASING FILTER SMOOTHING FILTER 57 kHz BPF (SCF) TEST + PLL (57 kHz) VREF CLOCK RECOVERY (1187.5 Hz) DATA DECODER SYNC DETECT-2 SYNC DETECT-1 OSC/DIVIDER MEMORY C
9、ONTROL CLK(4.332 MHz) +5V+5V Vdda Vssa MPXIN T2 T3 to T7 T1 CCB DI CE CL RAM (24 BLOCK DATA) ERROR CORRECTION (SOFT DECISION) SYNC/EC CONTROLLER DO XINXOUT SYR SYNC RDS-ID Vssd Vddd CINFLOUT VREF - 16 DRA-CX3 NPN Type DTA114EK DTC144EK DTC114YK DTC323TK DTA114TK 10kohm10kohm 10kohm 10kohm 10kohm 10k
10、ohm 10kohm 4.7kohm47kohm 47kohm KTA1268BL KTC3200BL 2SA1837 (Y) 2SC4793 (Y) FRONT VIEW BCE FRONT VIEW B CE 2SK170 (BL)2SK373 (Y) 2SK369 (BL/GR)-C FRONT VIEW DGS FRONT VIEW D G S DTC114EK DTC114TK 2.2kohm R1R2 R1 R2 E C B PNP Type DTA114TK DTA114EK TRANSISTORS DTC114EK DTC114TK DTC114YK DTC144EK DTC3
11、23TK 2SA1037K(S/R) 2SC2412K(S) 1SS270A 1SR139-400 MTZJ3.3A MTZJ5.6A HZS11B-1 MTZJ16A MTZJ18A DIODES (LED included) SLI-343DU3F (ORG)SLA-360LT3F (XE) 1SR35-400A 2SC4672KDS160 12 3 1:Emitter 2:Base 3:Collector 12 3 1:Emitter 2:Base 3:Collector (1) Base (2) Collector (3) Emitter (1) (2) (3) 17 DRA-CX3
12、FL DISPLAY 8BT258GINK (FL 601) PIN CONNECTION GRID ASSIGNMENT SEGMENT DESIGNATION ANODE CONNECTION 18 DRA-CX3 1U-3787 MAIN P.W.B. UNIT PRINTED WIRING BOARD COMPONENT SIDE 19 DRA-CX3 1U-3787 MAIN P.W.B. UNIT FOIL SIDE 20 DRA-CX3 NOTE FOR PARTS LIST Part indicated with the mark nsp are not always in s
13、tock and possibly to take a long period of time for supplying, or in some case supplying of part may be refused. When ordering of part, clearly indicate 1 and I (i) to avoid mis- supplying. Ordering part without stating its part number can not be supplied. Part indicated with the mark is not illustr
14、ated in the exploded view. Not including General-purpose Carbon Film Resistor in the P.W.Board parts list. (Refer to the Schematic Diagram for those parts.) Not including General-purpose Carbon Chip Resistor in the P.W.Board parts list. (Refer to the Schematic Diagram for those parts.) WARNING: Part
15、s marked with this symbol ! have critical characteristics. Use ONLY replacement parts recommended by the manufacturer. 部品表 nsp 印部品常時在庫供給長時間要 。 場合、供給断。 部品発注際特数字 英字 区別 記入。 部品番号表示部品供給。 ! 印部品安全上重要部品。交換、安全性 能維持必指定部品使用。 印部品分解図中記載。 汎用抵抗器記載。定数回路図参照願 。 汎用抵抗器記載。定数回路図参照 願。 部品表抵抗器、品名記号読方表参照 。 21 DRA-CX3 PARTS L
16、IST OF P.W.B. UNIT 本表記載部品、補修用部品製品使用部品一部、形状、寸法異場合。 The parts listed below are for maintenance only, might differ from the parts used in the unit in appearances or dimensions. nsp 印部品常時在庫供給長時間要。場合、供給断場合。 Part indicated with the mark “nsp” are not always in stock and possibly to take a long period of t
17、ime for supplying, or in some case supplying of part may be refused. 1U-3787 B MAIN P.W.B. UNIT ASSY Ref. No.nspPart No.Part NameRemarksQtyNew SEMICONDUCTORS GROUP IC20100D 262 3657 906LC72722PM-TLM-E IC20200D 263 1179 049NJM7812FA(SS)-#4MS IC30100D 262 3555 901SA5532ADR IC30200D 263 1074 908OP275GS
18、R +C IC30300D 263 0896 909NJM2068MD-TE1 +C IC30400D 263 1071 901OPA2134UA +C IC30500D 263 0995 004NJM4556AD +T IC30600D 262 3168 903TC94A32F +C IC30700D 262 2616 003TC9184AP IC40100D 263 0244 001NJM082D IC50100D GEN 8527 PROGRAM WRITING SUBM3062LFGPGP* IC50200D 263 1078 904BA05FP +C IC50300D 499 030
19、3 004GP1UM271XK IC50400D 262 3410 907TC74VHCT08AFT IC50500D 262 3498 903BR93L86RFVM-WTR IC60100D 263 1079 903BA033FP +C IC60200D 262 3488 900TC74LCX08FT IC70100D 263 1071 901OPA2134UA +C IC70200D 264 0001 001DA428440E-E* TR201-20900D 269 0144 905DTC114YK-T146 +C TR211,21200D 269 0066 902DTC323TKT96
20、+C TR21300D 269 0086 908DTA114TKT96 +C TR214,21500D 269 0082 902DTC114EKT96 +C TR21600D 273 0384 9002SC2412KT96(S) +C TR21700D 272 0161 9002SB1412TL(PQR) +C TR21800D 269 0082 902DTC114EKT96 +C TR401-40400D 275 0038 0452SK369 (BL)/(GR)-C TR503,50400D 273 0384 9002SC2412KT96(S) +C TR50500D 272 0161 90
21、02SB1412TL(PQR) +C TR50600D 269 0082 902DTC114EKT96 +C TR50800D 269 0083 901DTA114EKT96 +C TR50900D 269 0082 902DTC114EKT96 +C TR51000D 273 0384 9002SC2412KT96(S) +C TR51100D 271 0238 9082SA1037KT146S +C TR512,51300D 273 0384 9002SC2412KT96(S) +C TR51400D 271 0238 9082SA1037KT146S +C TR51500D 273 03
22、84 9002SC2412KT96(S) +C TR51600D 269 0054 901DTC144EKT96 +C TR517,51800D 273 0384 9002SC2412KT96(S) +C TR60100D 273 0463 9022SC4672T100PQ +C TR603,60400D 269 0088 906DTC114TKT96 +C TR70100D 273 0423 0072SC4793-Y TR70200D 271 0272 0032SA1837-Y TR703,70400D 275 0060 9032SK-170BL(TPE2) TR70500D 273 045
23、8 904KTC3200-BL-AT/P TR70600D 271 0301 903KTA1268-BL-AT/P TR70700D 275 0042 9052SK373(Y)TPE2 TR70800D 273 0423 0072SC4793-Y TR70900D 269 0144 905DTC114YK-T146 +C D201-20900D 276 0432 9031SS270A TE (TAPE) 2 22 DRA-CX3 D401,40200D 276 0432 9031SS270A TE (TAPE) D501,50200D 276 0704 9031SR35-400A(T93X)
24、D503-50500D 276 0794 900KDS160-RTK/P D506-50800D 276 0833 900ESD PROTECTOR(6802) D509-51400D 276 0794 900KDS160-RTK/P D51500D 276 0704 9031SR35-400A(T93X) D516,51700D 276 0794 900KDS160-RTK/P D601-60300D 276 0796 9081SR139-400T-31 D70100D 276 0432 9031SS270A TE (TAPE) ZD50100D 276 0634 905MTZJ3.3AT7
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