Ashton_vp50h 电路图 维修原理图.pdf

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1、12345678 A B C D 87654321 D C B A 12345678 ? ? ? ? ? ? ? ? ? ? ASHTON C2 47P/100V C3 22P/1KV C6 472/630V C8 471/100V C7 472/100V C10 471/100V C11 473/100V C13 101/100V C14 102/100V C24 472/1KV C5 10U/450V C23 1U/100V C28 10U/450V C75 4U7/100V R45 470K R3 1M R2 68K R5 100K R65 100K R6 10K/2W R4 1K R7

2、 1M R810M R9 10M R10 10R R14 82K R11 100K R16 150K R15 100K R13 470K R12 1M R18 1M VP50H 6 7 8 V1 12AX7-B 1 2 3 V3 12AT7-A 1 2 3 V1 12AX7-A 6 7 8 V2 12AX7-B 6 7 8 V3 12AT7-B 1 2 3 V2 12AX7-A RL1 VR1 A1M VR3 A1M R20 10M R28 1M R29 1K8 R30 10K R69 100K R47 4K7/2W R72 33K R71 10M R36 2K2 R74 100K R73 1

3、0M R48 47K R43 2K2 R68 100K R37 2M2 R24 47K C29 103/1KV R66 47K R38 4K7 R25 470K R50 47K R159 1M R51 22R R52 680RR53 47R R54 47R R34 10K R70 1K/2W R21 10K R67 1K R42 1M R44 100K R41 470K R35 100K R39 100K R40 10K/2W C27 103/1KV R33 1K R31 10K C36 224/50V C42 683 C53 473 C54 221/50V C25 471/100V C55

4、224 C58 223/630V C59 47P/1KV C19 472/100V C63 104/250V C21 221/100V C61 223/630V C20 102/100V C56 224 C22 221/100V C44 104 C12 473/50V C43 470P/50V C40 224/50V C35 473/100V C49 223/630V C48 223/630V C47 470P/1KV C4 103/1KV C32 223/630V C31 223/630V C26 471/1KV C89 22U/50V C90 47U/63V C88 22U/50V C65

5、 10U/100V C64 47U/63V C66 10U/100V C30 10U/450V C57 10U/50V C68 C67 47U/63V*2 C95 C82 C83 C38 47U/25V C86 C37 47U/50V C60 22U/450V C46 22U/450V C39 47U/25V C34 22U/450V C96 330U/315V*2 C80 C79 C81 100U/350V*2 C73 C71 C72C70 3300U/10V*4 LEVEL GAIN2 VR7 30A20K VR6 05A1M VR5 B200K IC1 LM324N-A IC1 LM32

6、4N-B IC1 LM324N-C R79 470R R147 10K R80 470K R83 22K R82 1K5 R88 1.8K R92 1M R84 100K R99 4K7 R90 1R R93 470R R89 470R R58 1K8 R55 47R R81 5K1 R85 2M2 R109 5K6 R91 10M R56 1K R57 22K R59 100K R96 4K7/2W R60 10K R87 4K7 R94 82K R98 10K R101 330R R64 1M R95 100K R97 1M R104 5K6 R107 1R/2W R100 270R R1

7、38 100R/1W*2 R114 220K R111 220K R145 82R/5W R146 82R/5W R108 1R/2W R115 33K R139 R106 1K/5W R113 1K/5W R140 220K 1/2W*2 R141 R142 270R/5W R143 R144 220K 1/2W*2 RCA1 BLACK RCA1 RED VR11 10C50K VR12 A1M IC3 JRC4558DD SW4 JK3 CK3-6.35-11D ZD1 2V7 ZD2 2V7 IC3 JRC4558DD 3 5 9 8 72 1 6 V4 12AX7 IC4 JRC45

8、58DD C62 223/630V C93 103/250V C85 224 C84 224 C76 102/1KV*2 C77 3 5 4 8 72 1 V7 EL34 3 5 4 8 72 1 V6 EL34 VR14 VR13 B20K*2 JK2 CK3-6.35-34A 9 5 1 8 7 6 4 3 2 JK4 CK3-6.35-11B D5 1N4148 Q3 J108 ACJK1 FUSE1 T1.25A SW6 SW7 D16 D14 D15 D17 D12 D11 D10 D13 D7 D8 D9 D6 +15V -15V -42V BD1 BR62 TO V1,V2 HE

9、ATER MIDDLE TREBLE BASS R86 680K RETURN SEND LOOP REVERB LEVEL +15V -15V INPUT POWER SW POWER TRANSFORMER-VS5012 STANDBY 1N4007*4 470U/35V*2 1000U/25V*2 AC INPUT 1N4004*4 1N4004*4 2003/4/14 R102 47K 5 6 7 8 IC2 NJM4558D-B Q2 J108 D41N4148 +444V +432V IC2 NJM4558D-A R61 33K R75 33K R76 10M R77 100K R

10、78 10M C52 223/630V C51 223/630V C50 470P/1KV VR10 30A20K VR9 05A1M VR8 B200K 87 RL4 VR4 A1M R22 47K R23 470K C15 472/100V C17 471/100V C16 222/100V C18 471/100V JK1 CK3-6.35-34A R1 68K RL3 Q5 A1015GR Q4 A1015GR R119 2K4 R116 3K3 R118 56R R19 1M R120 33K LED2 GREEN LED1 RED R121 15K R117 15K SW1SW2

11、+15V GAIN SW Q7 A1015GR Q6 A1015GR R123 3K3 R124 3K3 R125 6K8 LED4 GREEN LED3 RED R126 100RR122 47K SW3 BOOST LED7 YEL Q12 A1015GR R136 47K R137 6K8 R135 3K3 +15V -15V CH.SW OD.OFF BOOST REV.ON Q8 A1015GR R127 100K CH./GAIN Q10 A1015GR R129 3K3 R131 270R R130 47K OD.OFF LED5 RED +15V Q9 A1015GR R128

12、 33K RL2 D3 1N4148 Q1 J108 RL1RL4 RL2 Q11 A1015GR R132 6K8 R133 33K LED6 GREEN R134 33K -15V BOOST C45 473 R63 1M REV RL3 -15V C33 473 R46 1M vinvout gnd IC5 7815 C87 BOOST/REV GAIN1 GAIN2 SW1 JK10 JK9 MASTER REVERB CLEAN BOOST GAIN1 GAIN2 OVERDIVE NORMAL OVERDIVE CH OVERDIVE CH NORMAL CH NOMAL OVER

13、DIVE CLEAN BOOST GAIN1 LOW HIGH CK3-6.35-34A CK3-6.35-34A VR2 B200K OV LEVEL C94 103/250V RT1 N20SP010M 1 2 3 4 IC1 LM324N-D R151 47R R32 1M 1 2 3 RL5 OVLEVEL SW R154 3M3 C9 102 C41 104 R160 2K2 RL5 Q14 A1015 Q15 J108 R155 100K R156 33K R158 1M D18 1N4148 -15V +15V R157 33K 0R MIDDLETREBLE BASS -36V

14、 50mv 1 2 3 RL5 50mv 8R 150W Q16 J103 R161 1M OD.OFF C96 154 C97 100U/25V*2 vinvout gnd IC67915 D20 1N4004 D21 1N4004 D22 1N4004 FUSE2 TO-V3,4,5,6 F6.3AL HEATER JK5 CK3-6.35-34A JK6 CK3-6.35-34A JK7 CK3-6.35-34A SW5 LOAD SELECT 8R 4R 16R 16R 4&8R LOADING (4&8R ) 1 5 2 6 JK8 CK3-6.35-34A R149 100R/2W PHONE 0R 收音机爱好者资料库 Ra d i o Fa n s .CN