AmericanAudio-XDM200-mix-sm 电路图 维修手册.pdf

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1、 1 ?GENERAL SPECIFICATION 1.APPLICATION Model XDM-200 2.POWER SOURCE AC 9V, 500mA 3.DIMENSIONS 236 (W) X 192 (D) X 82 (H) mm 4.WEIGHT 2.8Kgs 5.FUNCTION OF PARTS NAME QTY TYPE TOP PANEL (1) INPUT SELECTOR 2 SW, LEVER (2) TREBLE 2 VR, ROTATING (3) BASS 2 VR, ROTATING (4) GAIN 2 VR, ROTATING (5) MIC LE

2、VEL 1 VR, ROTATING (6) MASTER LEVEL. 1 VR, ROTATING (7) CUE LEVEL 1 VR, ROTATING (8) CUE 1 VR, ROTATING (9) INPUT FADER 2 VR, SLIDE 45mm (10) CROSS FADER 1 VR, SLIDE 45mm (11) INDICATOR 1 LED (POWER) BACK PANEL (12) POWER 1 SW, PUSH (13) POWER IN 1 JACK, AC (14) LINE IN 2 PAIRS JACK, RCA (15) PHONO

3、IN 2 PAIRS JACK, RCA (16) MASTER OUT 1 PAIR JACK, RCA FRONT PANEL (17) MIC IN 1 PAIR JACK, 1/4” (18) PHONES 1 PAIR JACK, 1/4” 7.AUDIO CHARACTERASTICS (LOAD=47K OHM) (1) SENSITIVITY OF INPUT (LEVEL/IMPEDANCE): LINE -14dB/12K OHM 3dB PHONO -50dB /47K OHM 3dB MIC -54dB /3K OHM 3dB (2) OUTPUT (LEVEL/IMP

4、EDANCE): MASTER (RCA) 0dB/47K OHM 3dB PHONES (LOAD=32 OHM) -3dB/33K OHM 3dB (3) MAX. OUTPUT (LOAD=47K, THD=5%) MASTER (RCA) MORE THAN 18dB (8V) PHONES (LOAD=32 OHM) MORE THAN 5dB (1.8V) (4) CHANNEL BALANCE WITHIN 3dB (5) FREQUENCY RESPONSE: LINE 20-20KHz +2, -3dB PHONO 20-20KHz +2, -3dB (RIAA) MIC 2

5、0-20KHz +2/-3dB (6) OUTPUT NOISE (IEC- A WEIGHTED) LINE LESS THAN -75dB PHONO LESS THAN -65dB MIC LESS THAN -55dB RadioFans.CN 收音机爱 好者资料库 2 ?GENERAL SPECIFICATION (7) TOTAL HARMONIC DISTORTION: MASTER OUTPUT (LOAD=47K OHM) LESS THAN 0.2% PHONES OUT (LOAD=32 OHM) LESS THAN 0.3% (8) CROSSTALK MORE THA

6、N 50dB AT 1KHz BETWEEN L AND R CHANNEL. (9) EQUALIZER: LOW +15 /-22dB 3dB AT 70Hz HI +15 /-19dB 3dB AT 13KHz 8.ENVIRONMENTAL CONDITION (1) Operating Temperature 5 to 35 deg. C (2) Humidity 25 to 85% RH (non-condensing) (3) Storage Temperature -20 to 60 deg. C 9.ACCESSORIES (1) Operating instruction

7、1 pc (2) AC Adaptor 1 pc RadioFans.CN 收音机爱 好者资料库 R.PHONO AMP L.PHONO AMP R.LINE AMP L.LINE AMP R.AMP CH1 R GAIN L GAIN L.AMP CH-1 L.AMP CH-1 CONTROL TONE R.AMP CH-1 CONTROL TONE CH-1 R.LEVEL CH-1 L.LEVEL R.PHONO AMP L.PHONO AMP R.LINE AMP L.LINE AMP R.AMP CH-2 R GAIN L GAIN L.AMP CH-2 L.AMP CH-2 CON

8、TROL TONE R.AMP CH-2 CONTROL TONE R CH1/CH2 SELECTOR L CH1/CH2 SELECTOR L.AMP OUT MASTER VOLUME MASTER VOLUME R.AMP OUT CH-2 R LEVEL CH-2 L LEVEL L CUE LEVEL R CUE LEVEL L CH1/CH2 SELECTOR R CH1/CH2 SELECTOR MIC VOLUME CUE-AMP L.OUT CUE-AMP R.OUT MIC-AMP PHONO/LINE SW HEADPHON JACK MIC JACK MIC MUTE

9、 CONTROL CH-1 CH-2 CH-1 PHONO/LINE SW CH-2 POWER SUPPLY -15V+15V AC 10V BLOCK DIAGRAM RadioFans.CN 收音机爱 好者资料库 NJM4NJM4NJM4NJM4556556556556ADADADAD NJM45NJM45NJM45NJM4556A56A56A56AM M M M NJM45NJM45NJM45NJM4556AV56AV56AV56AV NJM45 NJM45 NJM45 NJM4556A56A56A56AL L L L 417-3113-018 NJM-4556AD 4 ?IC BLO

10、CK DIAGRAM 5 ?EXPLODED VIEW 6 ?EXPLODED VIEW PARTS LIST REF. NO. DESCRIPTION PART NO. QTY REMAKR 1 FRONT PANEL 300-HPM1I-842 1 2 FRONT BOARD 300-HPM1-843 1 3 CONTROL PCB ASSY 704-HPM1-3451 1 4 RCA ADAPTOR PLUG 420-Q3433-106 4 5 BOTTOM BASE 300-HPM1I-768 1 6 VFD SHEET 612-CDT1000-105 2 7 SERIES NO. L

11、ABEL 501-DV300-1067 8 JOG TUNING KNOB 100-QD5-1970 10 9 SCREW(M3*8BTF) 602-KMD510-161 2 10 BUTTON 100-Q221-1969 3 11 VR BOARD 300-HPM1-695 1 12 SHEET 100-Q2221-1677 2 13 FIXED PLATE 300-QMX2BPM-696 1 14 FADER PCB ASSY 704-HPM1-2896 1 15 CUSHION 612-Q2422-102 2 16 IC(NJM7815FA 3PIN) 417-DV330-216 1 1

12、9 SCREW 602-QMX2BPM-321 7 20 SCREW 602-B300-041 6 21 SCREW 602-MK7-134 4 22 SCREW 602-QMX2BPM-322 14 26 POWER SW 403-DJ1-107 1 27 HIMILON 612-HDJ100-045 1 31 FOOT 612-DCM370-067 4 32 IC(NJM7915FA) 417-RCC955A-291 1 35 OUTPUT PCB ASSY 704-HPM1-3452 1 36 MIC PCB ASSY 704-HPM1-3453 1 37 PHONE PCB ASSY

13、704-HPM1-3454 1 40 SCREW 602-CDC2050-345 2 42 WASHER 606-Q2221-122 2 43 GROUND PIN 200-DJ100-231 2 45 SCREW(3*10 ZK PTP) 602-MK7-131 3 46 RATING LABEL 501-HPM1I-1459 1 47 TRANSFORMER 411-HPM1-242 1 CON5B PHONE PCB CON4B MIC PCB CON1A CON3A U14 U13 CON2A OUTPUT PCB CONTROL PCB CON2B CON2B CON5A CON4A

14、 A B CON3B B IC7915A IC7815A A YELLOW BLACK POWER SW W982 CN982 7 ?POINT TO POINT WIRING DIAGRAM 8 ?PRINTED CIRCUIT BOARD 9 ?PRINTED CIRCUIT BOARD 10 ?CONTROL PCB PART LIST REF. NO. DESCRIPTION PART NO. QTY CONTROL PCB ASSY 704-HPM1I-4053 1 S2,3 LEVER SW(LBC22B-20K,6PIN) 403-CDMIX1-114B 2 CON3B,5A C

15、ONNECTOR WIRE(L=220mm,AWM1007 AWG24 P=2.5mm) 404-HDJ9500-1076 2 CON2B 16P CONNECTOR WIRE(L=200mm,AWM2877 AWG26*6C/10C) 404-HPM1-1347 1 CON4A 3P CONNECTOR WIRE(L=160mm,AWM2547 AWG28) 404-HPM1-317 1 W982 5P CONNECTOR WIRE(L=70mm,AWM2468 AWG26,P=2.5mm) 404-Q2221-041 1 A-A 406-D751-157 1 B-B 406-M100-03

16、9 1 LD1 LED(RED) 410-CD6000-122 1 U15 INTEGRATED CIRCUIT(NJM-4556AD) 417-3113-018 1 U6,7,9-12 IC(4558D/6458DF/BA4558,DIP-8) 417-HDJ7000-261 6 VR3,4,7,8 ROTARY VR(100KB*2,RK16K124A014-100KB*2(HF) 418-HPM1-143 4 VR9 VR(10KB,RK16K1150014-10KB(HF) 418-Q2221-086 1 VR1,2 VR(10KB*2,RK16K12D0001-10KB*2(HF)

17、418-Q2422-091 2 VR11-13 VR(50KB*2,RK16K1240046-50KB*2(HF) 418-QMX1-077 3 VR5,6 SLIDE VR(10KB*2,RS45Y12G4502-10KB*2(HF) 418-QMX1-078 2 LD1 LED HOLDER(LED-16A,H=16.4mm,WHITE) 504-Q2221-077 1 C113,120 CERAMIC CAPACITOR(270pF/50V K Y5E TAPING) 413-1200SA-106 2 C118,129 CERAMIC CAPACITOR(180pF/50V K SL T

18、APING) 413-3113-030 2 C126 CERAMIC CAPACITOR(220pF/50V K Y5E TAPING) 413-3113-032 1 C58,61,64,66,77 ELEC. CAPACITOR(2.2uF/50V,M,TAPING 5*11) 413-3113-045 4 C79,111,112 ELEC. CAPACITOR(2.2uF/50V,M,TAPING 5*11) 413-3113-045 3 C116,117,125 ELEC. CAPACITOR(2.2uF/50V,M,TAPING 5*11) 413-3113-045 3 C70,74,

19、115 ELEC. CAPACITOR(4.7uF/50V,M,TAPING 5*11) 413-3113-050 3 C119,122,135,136 ELEC. CAPACITOR(10uF/50V,M,TAPING 5*11) 413-DM1000-352 4 C81,82,88,89 M.C.(0.056uF J 50V TAPING) 413-HT8015-168 4 C95,96,103,104 M.C.(0.056uF J 50V TAPING) 413-HT8015-168 4 C65,68,78,80 CERAMIC CAPACITOR(330pF/50V K Y5E TAP

20、ING) 413-KC220-116 4 C128,131 ELEC. CAPACITOR(220uF/10V,M,TAPING 6.3*11) 413-KC220-119 2 C138 ELEC. CAPACITOR(220uF/16V,M,TAPING 8*11.5) 413-KT300-102 1 C63,67,102,109 ELEC. CAPACITOR(0.47uF/50V,M,TAPING 5*11) 413-KT350-093 4 C127 CERAMIC CAPACITOR(100pF/50V K NPO TAPING) 413-PMSE1-258 1 C137 MYLAR(

21、0.001uF 100V J TAPING) 413-PMSE1-279 1 C86,93,99,108 MYLAR CAPACITOR(0.0027uF TAPING) 413-PXE90-108 4 C83,87,90,94,97 ELEC. CAPACITOR(100uF/16V,M,TAPING 6.3*11) 413-PXE90-109 5 C101,105,110,114 ELEC. CAPACITOR(100uF/16V,M,TAPING 6.3*11) 413-PXE90-109 4 C121,123,124 ELEC. CAPACITOR(100uF/16V,M,TAPING

22、 6.3*11) 413-PXE90-109 3 C130,132 ELEC. CAPACITOR(100uF/16V,M,TAPING 6.3*11) 413-PXE90-109 2 Q4,5,8,9,10,11 TRANSISTOR(2SC1740R TAPING) 416-3113-007 6 CONTROL PCB(BARE,94V0,190*209*1.6t) 405-HPM1-743A 1 R175,201 CARBON FILM RESISTOR(5.6K OHM J 1/6W TAPING 26mm) 412-3113-044 2 R200 CARBON FILM RESIST

23、OR(33K OHM J 1/6W TAPING 26mm) 412-3113-045 1 R84,90,93,103 CARBON FILM RESISTOR(100K OHM J 1/6W TAPING 26mm) 412-3113-047 4 R106,112,117,118 CARBON FILM RESISTOR(100K OHM J 1/6W TAPING 26mm) 412-3113-047 4 R125,127,133,134 CARBON FILM RESISTOR(100K OHM J 1/6W TAPING 26mm) 412-3113-047 4 R149,154-15

24、6,158 CARBON FILM RESISTOR(100K OHM J 1/6W TAPING 26mm) 412-3113-047 5 R159,161,165 CARBON FILM RESISTOR(100K OHM J 1/6W TAPING 26mm) 412-3113-047 3 R170,172 CARBON FILM RESISTOR(100K OHM J 1/6W TAPING 26mm) 412-3113-047 2 R179 CARBON FILM RESISTOR(2.2K OHM J 1/6W TAPING 26mm) 412-3113-048 1 R109,11

25、5,123 CARBON FILM RESISTOR(15K OHM J 1/6W TAPING 26mm) 412-3113-053 3 R131,166,181 CARBON FILM RESISTOR(15K OHM J 1/6W TAPING 26mm) 412-3113-053 3 R174 CARBON FILM RESISTOR(4.7K OHM J 1/6W TAPING 26mm) 412-3113-055 1 R110,116,124,132 CARBON FILM RESISTOR(3.3K OHM J 1/6W TAPING 26mm) 412-3113-057 4 R

26、108,111,114,119 CARBON FILM RESISTOR(220 OHM J 1/6W TAPING 26mm) 412-3113-058 4 R122,126,130,135 CARBON FILM RESISTOR(220 OHM J 1/6W TAPING 26mm) 412-3113-058 4 11 ?CONTROL PCB PART LIST REF. NO. DESCRIPTION PART NO. QTY R151,157,171,173 CARBON FILM RESISTOR(220 OHM J 1/6W TAPING 26mm) 412-3113-058

27、4 R136-148,160 CARBON FILM RESISTOR(22K OHM J 1/6W TAPING 26mm) 412-3113-059 14 R164,168,177 CARBON FILM RESISTOR(22K OHM J 1/6W TAPING 26mm) 412-3113-059 3 R176 CARBON FILM RESISTOR(100 OHM J 1/6W TAPING 26mm) 412-3113-060 1 R81,86,97,100 CARBON FILM RESISTOR(47K OHM J 1/6W TAPING 26mm) 412-3113-06

28、3 4 R152,169 CARBON FILM RESISTOR(10K OHM J 1/6W TAPING 26mm) 412-3113-068 2 R204 CARBON FILM RESISTOR(6.8K OHM J 1/6W TAPING 26mm) 412-3113-069 1 R82,87,88,91,101 CARBON FILM RESISTOR(2.7K OHM J 1/6W TAPING 26mm) 412-3113-073 5 R104,107,113,120 CARBON FILM RESISTOR(2.7K OHM J 1/6W TAPING 26mm) 412-

29、3113-073 4 R121,128,129,182 CARBON FILM RESISTOR(2.7K OHM J 1/6W TAPING 26mm) 412-3113-073 4 R184,202,203 CARBON FILM RESISTOR(2.7K OHM J 1/6W TAPING 26mm) 412-3113-073 3 R205 CARBON FILM RESISTOR(1.8K OHM J 1/6W TAPING 26mm) 412-3113-075 1 R89,92,102,105 CARBON FILM RESISTOR(1K OHM J 1/6W TAPING 26

30、mm) 412-3113-078 4 R150,153,162,167 CARBON FILM RESISTOR(1K OHM J 1/6W TAPING 26mm) 412-3113-078 4 R178,197,199 CARBON FILM RESISTOR(1K OHM J 1/6W TAPING 26mm) 412-3113-078 3 R163,185 CARBON FILM RESISTOR(47 OHM J 1/6W TAPING 26mm) 412-KC220-133 2 R196 CARBON FILM RESISTOR(150 OHM J 1/6W TAPING 26mm

31、) 412-KE200S-137 1 R198 CARBON FILM RESISTOR(3.9K OHM J 1/6W TAPING 26mm) 412-KT300-107 1 R188-195 CARBON FILM RESISTOR(68K OHM J 1/6W TAPING 26mm) 412-KT350-101 8 R180,183 CARBON FILM RESISTOR(33 OHM J 1/6W TAPING 26mm) 412-MPG100-255 2 12 ?OUTPUT PCB PART LIST REF. NO. DESCRIPTION PART NO. QTY OUT

32、PUT PCB ASSY 704-HPM1-3452 1 U14 TO 7815 3P CONNECTOR WIRE(L=140mm,AWM1007 AWG26) 404-DJ3000-870 1 CON2A 16P SOCKET(JM24182-16) 404-HPM1-1346 1 CON3A 3P SOCKET(B3B-XH-A,P=2.5mm,180) 404-HV3500K-623 1 CON1A 2P SOCKET(B2B-XH-A,P=2.5mm,180) 404-KMD1500-608 1 U13 TO 7915 3P CONNECTOR 404-XDM250-1279 1 W

33、 TO W1 406-H400-015 1 C54 ELEC. CAPACITOR(470uF/25V,M,BULK 10*16) 413-DCM370E3-454 1 C43,47 ELEC. CAPACITOR(1000uF/35V,M,BULK 12.5*25) 413-DJ1900-110 2 C50,52 ELEC. CAPACITOR(470uF/16V,M,TAPING 8*11) 413-HT8015-164 2 D1-5 DIODE(1N4002,1A/100V,TAPING) 414-DV300-5014 5 Q2,3,6,7 CHIP TRANSISTOR(2SC2412

34、KT146R) 416-CDN88-051 4 U1-4 IC(4558D/6458DF/BA4558,DIP-8) 417-HDJ7000-261 4 JK3 DC POWER JACK 420-CDMIX1-078 1 JK2 6P RCA JACK(RJ-1074-09-0300A) 420-HMJ1901-5037 1 F1 FUSE CLIPS(FC-1206/WL-210A,15A) 420-KT350A-004 2 JK1 4P RCA JACK(RJ-1073-09-0300A) 420-QMX1-094 1 F1 FUSE(1A/250V,T-MARK/UL/CSA) 422

35、-CDN12F-028 1 F1 FUSE COVER 504-DJ2500J-046 1 VFD SHEET(25*9*11mm) 612-CDT1000-105 2 C44,48 CERAMIC CAPACITOR(0.1uF/50V,Z,TAPING,Y5V) 413-3113-035 2 C49 ELEC. CAPACITOR(47uF/10V,M,TAPING 5*11) 413-3113-043 1 C1,3,5,7,9-11,13 ELEC. CAPACITOR(2.2uF/50V,M,TAPING 5*11) 413-3113-045 8 C2,4,27,31 ELEC. CA

36、PACITOR(100uF/10V,M,TAPING 5*11) 413-3113-046 4 C22,25,36,39 ELEC. CAPACITOR(4.7uF/50V,M,TAPING 5*11) 413-3113-050 4 C41,45,51,53 CERAMIC CAPACITOR(0.022uF/50V,Z,TAPING,Z5V) 413-501-105 4 C24,26,38,40 CERAMIC CAPACITOR(330pF/50V,K,TAPING,Y5P) 413-KC220-116 4 C15,19,28,33 MYLAR CAPACITOR(0.015uF/100V

37、,TAPING) 413-KT300-100 4 C16,20,29,34 MYLAR CAPACITOR(0.033uF/100V,J,TAPING) 413-KT350-088 4 C6,8,12,14 MYLAR(0.001uF 100V J TAPING) 413-PMSE1-279 4 C17,18,21,23 ELEC. CAPACITOR(100uF/16V,M,TAPING 5*11) 413-PXE90-109 11 C30,32,35,37 ELEC. CAPACITOR(100uF/16V,M,TAPING 5*11) 413-PXE90-109 11 C42,46,13

38、3 ELEC. CAPACITOR(100uF/16V,M,TAPING 5*11) 413-PXE90-109 11 Q1 TRANSISTOR(2SA1015/2SA1015-GR,TAPING) 416-KE200X-021 1 R2,7,11,15,19 CARBON FILM RESISTOR(100K OHM J 1/6W TAPING 26mm) 412-3113-047 5 R21,25,29,34 CARBON FILM RESISTOR(100K OHM J 1/6W TAPING 26mm) 412-3113-047 4 R43,48,59 CARBON FILM RES

39、ISTOR(100K OHM J 1/6W TAPING 26mm) 412-3113-047 3 R37,41,52,56 CARBON FILM RESISTOR(12K OHM J 1/6W TAPING 26mm) 412-3113-051 4 R60 CARBON FILM RESISTOR(15K OHM J 1/6W TAPING 26mm) 412-3113-053 1 R10,14,24,27 CARBON FILM RESISTOR(3.3K OHM J 1/6W TAPING 26mm) 412-3113-057 4 R31,32,36,39 CARBON FILM RE

40、SISTOR(220 OHM J 1/6W TAPING 26mm) 412-3113-058 4 R46,51,55,63 CARBON FILM RESISTOR(220 OHM J 1/6W TAPING 26mm) 412-3113-058 4 R1,5,17,20 CARBON FILM RESISTOR(100 OHM J 1/6W TAPING 26mm) 412-3113-060 4 R30,35,42,47 CARBON FILM RESISTOR(100 OHM J 1/6W TAPING 26mm) 412-3113-060 4 R9,13,23,26 CARBON FI

41、LM RESISTOR(47K OHM J 1/6W TAPING 26mm) 412-3113-063 4 R38,40,54,57 CARBON FILM RESISTOR(47K OHM J 1/6W TAPING 26mm) 412-3113-063 4 R61 CARBON FILM RESISTOR(10K OHM J 1/6W TAPING 26mm) 412-3113-068 1 R64,67,186,187 CARBON FILM RESISTOR(2.7K OHM J 1/6W TAPING 26mm) 412-3113-073 4 R12,16,53,58,65,66CA

42、RBON FILM RESISTOR(1K OHM J 1/6W TAPING 26mm) 412-3113-078 6 R62 CARBON FILM RESISTOR(1.5K OHM J 1/6W TAPING 26mm) 412-D396-135 1 R4,8,45,50 CARBON FILM RESISTOR(180 OHM J 1/6W TAPING 26mm) 412-KC220-139 4 R28,33,44,49 CARBON FILM RESISTOR(8.2K OHM J 1/6W TAPING 26mm) 412-KM500-123 4 D6 SWITCHING DI

43、ODE(1SS132/1SS133,300mw,55V,T-77) 414-3113-005 1 ZD1 ZENER DIODE(MTZJ10-B,1/2W,T-77) 414-SPPW3-061 1 13 ?MIC PCB PART LIST REF. NO. DESCRIPTION PART NO. QTY MIC PCB ASSY 704-HPM1-3453 1 MIC PCB (BARE) 405-HPM1-798 1 CN4B 3P SOCKET(B3B-XH-A,P=2.5mm) 404-HV3500K-623 1 JK7 MIC JACK(6.4,JY-6313-02-340G)

44、 420-Q3433-107 1 ?PHONE PCB PART LIST REF. NO. DESCRIPTION PART NO. QTY PHONE PCB ASSY 704-HPM1-3454 1 PHONE PCB(BARE) 405-HPM1-799 1 CN5B 3P SOCKET(B3B-XH-A,P=2.5mm) 404-HV3500K-623 1 JK8 HEADPHONE JACK(6.4,JY-6313-02-030G) 420-CDMIX1-086 1 ?FADER PCB PART LIST REF. NO. DESCRIPTION PART NO. QTY CN9

45、82 FADER PCB ASSY 704-HPM1E-2334 1 5P SOCKET(S5B-XH-A,P=2.5mm) 404-SPPW3-513 1 FADER VR FADER PCB(BARE,94V0,164*98*1.6t) 405-Q2221-654 1 SLIDE VR(50KB*2,RF45E12G4501-50KB*2(HF) 418-HPM1E-100 1 12345678 A B C D 87654321 D C B A 12 American Audio 0.1 E:網路文件夾 Title : Size :Number : Date : File : Revisi

46、on :SheetofTime : A2 2 3 1 48 U7A LA4558 VR1A 10KB 2 3 1 48 U6A LA4558 6 5 7 U6B LA4558 R88 2K7 R91 2K7 R89 1K R92 1K C64 2.2/50 C66 2.2/50 C65330P C68330P 2 3 1 48 U11ALA4558 VR4B 100KB VR4A 100KB C81 0.056(M)C82 0.056(M) C86 0.0027(M) C93 0.0027(M) C88 0.056(M) C89 0.056(M) R109 15K R110 3K3 R112

47、100K R113 2K7 R116 3K3 R111 220 R82 2K7 R107 2K7 R87 2K7 R115 15K R118 100K C87 100u/16 +15V R84 100K -15V C94 100u/16 R119 220 -15V +15V VR1B 10KB 6 5 7 U12B LA4558 6 5 7 U7B LA4558 6 5 7 U9B LA4558 VR2A 10KB 2 3 1 48 U10A LA4558 R1012K7 R1042K7 R102 1KR105 1K R103 100K R106 100K C77 2.2/50 C79 2.2/50 C78330P C80330P 6 5 7 U10B LA4558 2 3 1 48 U15A LA4556 VR7A 100KB VR7B 100KB C95 0.056(M)C96 0.056(M) C99 0.0027(M) C108 0.0027(M) C103 0.056(M) C104 0.056(M) R123 15K R124 3K3 R127 100K R128