Denon-POA3012Ci-pwr-sm维修电路原理图.pdf
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1、Denon Brand Company, D (VS1+10V). 27VD1Positive supply for power stage of channel 1. 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
2、 of channel 1. 33SUBSubstrate of IMST. 34VSNegative supply for power stage. 35VDR2Positive 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
3、channel 2. 39VS2Negative supply for power stage of channel 2. 40PWM2PWM output of channel 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
4、 for global loop of channel 2. 26 POA-3012CI TC94A32F (IC232, 238, 244, 250, 256, 262) CD4508BPWR (IC421426) HIN202EIBNZ-T (IC801) 1 2 3 4 5 6 7 8 9 10 11 12 RESET A STROBE A DUTPUT DISABLE A D0 A Q0 A D1 A Q1 A D2 A Q2 A D3 A Q3 A Vss 24 23 22 21 20 19 18 17 16 15 14 13 VDD Q3 B D3 B Q2 B D2 B Q1 B
5、 D1 B Q0 B D0 B OUTPUT DISABLE B STROBE B RESET B 4-BIT LATCH 3-STATE OUTPUTS 4-BIT LATCH 3-STATE OUTPUTS Q0A OUTPUT DISABLE OUTPUT DISABLE Q1A D0A D1A D2A D3A D0B D1B D2B D3B STROBE RESET STROBE RESET Q2A Q3A Q0B Q1B Q2B Q3B FUNCTIONAL DIAGRAM 14 15 16 9 13 12 11 10 1 2 3 4 5 7 6 8 C1+ V+ C1- C2+ C
6、2- R2IN T2OUT VCC T1OUT R1IN R1OUT T1IN T2IN R2OUT GND V- VCC +5V 2 V+ 16 T1OUT T2OUT T1IN T2IN T1 T2 11 10 14 7 +5V 400k +5V 400k R1OUTR1IN R1 13 12 5k R2OUTR2IN R2 89 5k 0.1 F 6 V- C2+ C2- + 0.1 F 4 5 +5V TO 10V VOLTAGE INVERTER +5V TO -10V VOLTAGE INVERTER C1+ C1- + 0.1 F 1 3 +0.1 F + GND 15 27 P
7、OA-3012CI BU4052BCF (IC202, 204, 206, 208, 210, 212, BU4053CF (IC231, 237, 243, 249, 255, 261) 214, 216, 218, 220, 222, 224) TC74HC00AF (IC409411)TC74VHCT08AFT (IC703, 912)TC74VHC14FT (IC909) BR93L86RFVM-WTR (IC702) Y0 1 Y22 COMMON Y 3 Y3 4 Y15 INH 6 VEE 7 VSS 8 16 15 14 13 12 11 10 9 VDD X2 X1 X0 X
8、3 A B Y0 B Y OUT / IN INH VEE X OUT / IN A COMMON X Y2 Y3 Y1 X2 X1 X0 X3 Y1 1 Y0 2 Z1 3 Z 4 Z0 5 INH 6 VEE 7 VSS 8 16 15 14 13 12 11 10 9 VDD Y X X1 X0 A B C C Z INH VEE Y X A B Y0 Z1 Z0 Y1 X1 X0 1A1 2 3 4 5 6 7 14 13 12 11 10 9 8 1B 1Y 2A 2B 2Y GND VCC 4B 4A 4Y 3B 3A 3Y 1A1 2 3 4 5 6 7 14 13 12 11
9、10 9 8 1B 1Y 2A 2B 2Y GND VCC 4B 4A 4Y 3B 3A 3Y 1A1 2 3 4 5 6 7 14 13 12 11 10 9 8 1Y 2A 2Y 3A 3Y GND VCC 6A 6Y 5A 5Y 4A 4Y 8765 1234 28 POA-3012CI NJM5532MD (IC225, 226)NJM2831F (IC104) NJM2068MD-TE1 (IC201, 203, 205, 207, 209, 211, 213, 215, 217, 219,221, 223, 233236, 239242, 245248, 251254, 25726
10、0, 263 266) PQ070XZ01ZP (IC907)PQ1CG41H2FZ (IC101) BA033FP (IC908, 911)NJM7805FA(S) (IC107)NJM7905FA(S) (IC108) 123 45 1. CONTROL 2. GND 3. NC 4. VOUT 5. VIN VOUT GND VIN Thermal Protection Control Bandgap Reference 12345 1 2 3 VIN VOUT COM 4 5 Oadj ON/OFF control 1 2 3 1: Vcc 2: N.C. 3: Vout FIN: G
11、ND NJM7806FA(S) (IC103) NJM7812FA(S) (IC102, 105) FRONT VIEW Input GND Output NJM7912FA(S) (IC106) FRONT VIEW Input GND Output 29 POA-3012CI NPN TypeDTA114EK DTC124EK DTC143EK DTC343TK 10kohm10kohm 10kohm 10kohm 4.7kohm 10kohm 22kohm22kohm DTC144EK4.7kohm47kohm 4.7kohm KTA1268BL KTC3200BL FRONT VIEW
12、 BCE 2SC4793 (Y) FRONT VIEW B CE TLP181 2SK373 (Y) FRONT VIEW DGS DTC114EK DTC114TK 4.7kohm R1R2 R1 R2 E C B PNP Type 1SR35-400A TRANSISTORS DTC114EK DTC114TK DTC124EK DTC144EK DTC143EK DTC343TK 1SS270A RK33LF-C4 MTZJ3.3A MTZJ7.5C MTZJ24A RBV-2506S4VB20SML1216W(LED) (LD701707) UDZS 12B UDZS 15B UDZS
13、 16B UDZ 36B MTZJ9.1B MTZJ22A DIODES (LED included) DTA114EK KDS160 12 3 1:Emitter 2:Base 3:Collector 2SA1037K(S/R) 2SC2412K(S) 2SD2114K 12 3 1:Emitter 2:Base 3:Collector 2SC4672 (1) Base (2) Collector (3) Emitter (1) (2) (3) 2SB1412 (1) (2) (3) (1) Base (2) Collector (3) Emitter + + REDGREEN 1 1: A
14、node 3: Cathode 4: Emitter 6: Collector 3 6 4 1+ - 31+3 24 -24 30 POA-3012CI 2. FL DISPLAY FLD (HCA-19MM02T) (FR: FL701) PIN CONNECTION GRID ASSIGNMENT 31 POA-3012CI ANODE CONNECTION 32 POA-3012CI -MEMO- 33 POA-3012CI PRINTED WIRING BOARDS 1U-3868 POWER AMP P.W.B. UNIT COMPONENT SIDE FOIL SIDE 34 PO
15、A-3012CI 1U-3869 ETHERNET P.W.B. UNIT COMPONENT SIDE FOIL SIDE 35 POA-3012CI 1U-3870 INPUT P.W.B. UNIT(1/2) COMPONENT SIDE 36 POA-3012CI 1U-3870 INPUT P.W.B. UNIT(2/2) FOIL SIDE 37 POA-3012CI 1U-3871 MICON/FLD P.W.B. UNIT(1/2) COMPONENT SIDE 38 POA-3012CI 1U-3871 MICON/FLD P.W.B. UNIT FOIL SIDE 39 P
16、OA-3012CI NOTE FOR PARTS LIST Parts for which nsp is indicated on this table cannot be supplied. 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 illustrated in the expl
17、oded 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: Parts marked with th
18、is symbol z have critical characteristics. Use ONLY replacement parts recommended by the manufacturer. ss ss ss ss ss ss RD :2B : 1/8 WF :1%P: RC :2E : 1/4 WG :2%NL : RS:2H : 1/2 WJ :5%NB : RW :3A : 1WK :10%FR : RN :3D : 2WM :20%F: RK :3F: 3W 3H : 5W RN14K2E182GFR 182 ? 1800=1.8k 0 2 1R2 ? 1.2 1 2R
19、CE04W1H2R2MBP CE:0J: 6.3 VF: 1%HS : CA :1A : 10VG : 2%BP : CS:1C : 16VJ: 5%HR : CQ :1E : 25VK : 10%DL : CK :1V : 35VM : 20%HF : CC :1H : 50VZ: +80%U:UL CP:2A : 100 V20%C:CSA CM :2B : 125 VP: +100%W:UL-CSA CF:2C : 160 V 0%F: CH :2D : 200 VC : 0.25pF 2E : 250 VD : 0.5pF 2H : 500 V=: 2J: 630 V 222 ? 22
20、00F 0 2 F 222 ? 2200pF=0.0022F 0 2 pF pF 221 ? 220pF 2 (02) 0 (001) 2R2 ? 2.2F 1 2R F AC RD : Carbon2B : 1/8WF: 1%P: Pulse-resistant type RC : Composition2E : 1/4WG: 2%NL : Low noise type RS : Metal oxide film2H : 1/2WJ: 5%NB : Non-burning type RW : Winding3A : 1WK: 10%FR : Fuse-resistor RN : Metal
21、film3D : 2WM: 20%F: Lead wire forming RK : Metal mixture3F : 3W 3H : 5W CE : Aluminum foil0J: 6.3VF: 1%HS : High stability type electrolytic CA : Aluminum solid1A : 10VG : 2%BP : Non-polar type electrolytic CS : Tantalum electrolytic1C : 16VJ: 5%HR : Ripple-resistant type CQ : Film1E : 25VK : 10%DL
22、: For change and discharge CK : Ceramic1V : 35VM : 20%HF : For assuring high requency CC : Ceramic1H : 50VZ: +80%U: UL part CP : Oil2A : 100V20%C: CSA part CM : Mica2B : 125VP : +100%W : UL-CSA type CF : Metallized2C : 160V0%F: Lead wire forming CH : Metallized2D : 200VC : 0.25pF 2E : 250VD : 0.5pF
23、2H : 500V=: Others 2J: 630V l l l l lResistors Ex.:RN14K2E182GFR Type ShapePower Resist- Allowable Others and per-anceerror formance Resistance 1 821800 ohm = 1.8 kohm Indicates number of zeros after effective number. 2-digit effective number. Units: ohm 1 R21.2 ohm 1-digit effective number. 2-digit
24、 effective number, decimal point indicated by R. Units: ohm l l l l lCapacitors Ex.:CE04W1H2R2MBP TypeShapeDielectric Capacity Allowable Others and per- strengtherror formance Capacity (electrolyte only) 2 222200F Indicates number of zeros after effective number. 2-digit effective number. Units: F.
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