B52_at100 电路图 维修原理图.pdf

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1、12345678 A B C D 87654321 D C B A 2 6 JK1 LOW 2 6 JK2 HIGH R1 47K R2 47K V1-1 12AX7 R4 1K5 C6 10U/50V R6 100K R51 4K7/1W C2 0.1U/250V C1 100P/1KV R8 3M3 D1 1N4004 C33 1U/50V +12V CTL1 R12 470K C5 0.001U/250V C7 0.0047U/250V V1-2 12AX7 R9 10M R7 100K C3 470P/1KV R5 4K7 R10 470K VR1 A250K VR2 A250K VR

2、3 B10K C8 0.047U25/400V C9 0.1U/250V C10 250P/1KV R13 100K VR4 05A1M CLEAN VOLUME TREBLE MIDDLE BASS R15 10M R16 4K7 C11 250P/1KV V2-1 12AX7 V2-2 12AX7 R17 100K R18 100K R19 1K5 R20 1K5 R22 220K R21 3M3 C13 0.022U/400V C14 22P/1KV B+4 C16 0.022U/400V R23 4K7 R24 470K D4 1N4004 D61N4004 C36 1U/50V C3

3、8A 1U/50V +12V +12V CTL1 CTL2 V10-1 12AT7 C4 0.022U/400V C17 0.001U/250V C180.001U/250V R27 1M R26 220K R25 1M VR6 A1M VR5 05A1M R28 1K5 R29 1K5 LED1 GAIN1 LED2 GAIN2 D2 1N4004 C34 1U/50V +12V CTL2 R31 33K R32 3M3 V3-1 12AX7 R34 100K R33 2K7 C22 0.68U/50V C21 0.022U/400V R37 470K V3-2 12AX7 R38 220K

4、 R39 1K5 R40 100K C23 10U/50V R35 100K C19 100P/1KV U1 HIF2 1 2 4 6 R30 1K5 V4-1 12AX7 R52 4K7/1W R41 100K VR7 B250K VR8 A1M VR9 B25K R42 33K C24 470P/500V C25 0.022U/400V C26 0.022U/400V D3 1N4004 C35 1U/50V +12VCTL3 V4-2 12AX7 C27 0.1U/250V R54 3M3 R43 1M R45 33K B+4 B+4 C28 1U/250V R55 3M3 C29 33

5、0P/1KV CONTOUR TREBLE BASS MIDDLE VR12A 05A1M VR10 05A1M D5 1N4004 + C37 1U/50V +12VCTL1 R53 1K5 LED3 CLEAN LED4 OVERDRIVE R65 150K R66 220K R56 220K R58 1M R59 820R + C41 10U/50V TRANSFORMER IN 8 OHM SEC V10-2 12AT7 R63 10K R62 220K C40 0.001U/250V R61 820 + C42 10U/50V R60 220K VR12 B250K C39 0.00

6、22U/400V R144 10K U3 LCR-0202 4 3 U2 H11F1 TO Q11 TO R89 +12V 1 2 B+3 R64 220K V11-1 12AX7 V11-2 12AX7 C43 0.1u/250V R67 1M R68 33K R69 560R C44 1UF/250V VR13 B50K JK10 SEND R1B 10R R74 1K5 R2B 100K R5B 150K R72 100K R70 1K5 C47 22U/50V B+3 D7 1N4004 C1A 1U/50V +12 TO Q12 C45 0.1U/250V C46 0.1U/400V

7、 C48 10P/1KV R73 1.5M VR17 A500K MASTER R4B 100K JK9 RETURN R3B 22K LOOP CTL V5-1 12AX7 V5-2 12AX7 C71 0.022U/250V R116 1M R118 1M R117 470R R119 10K/1W R120 4K7 C70 0.1u/250V R108 82k R109 100k C73 0.1U/400V R123 10K JK4 CHANNEL/GAIN 34 IC11B 4069 C50 0.1U/100V 12 IC11A CD4069 R78 10K R77 10K C49 0

8、.1u/100V 56 IC11C CD4069 CTL2 98 IC11D CD4069 R79 470K R80 470K R81 470K R82 470K C52 0.1uF/100V C51 0.1uF/100V IC2 CD4072 C53 0.1uF/100V C54 0.1uF/100V Q2 2N5551 R88 4K7 C59 0.1uF/100V Q4 2N5551 CTL1 TO RL1 RL4 RL5 IC2B CD4072 9 10 11 12 13 JK5 REVERB /EFFECT 1110 IC11E CD4069 C1B 0.1uF/100V R1A 10

9、K R2A 100K R3A 4K7 Q12 52N551 Q10 2N5551 LOOP CTL TO RL7R94 100K Q8 2N5551 Q7 2N5551 R92 4K7 CTL3 TO RL3 1312 IC11F CD4069 R99 4K7 R101 4K7 Q11 2N5401 LED5 YELLOW R100 1K5 R98 10K +12V +12V U3 PIN2 REVERB MUTE +12V 14 7 1 2 3 4 5 C65 0.047U/630V R110 4k7 R115 4k7 R114 4k7 R111 4k7 R112 220k R113 220

10、k BIAS B WIPER TO MODE SW 3 4 5 8 V6 5881 3 4 5 8 V7 5881 3 4 5 8 V8 5881 3 4 5 8 V9 5881 R95 110R/15W D8 R3000 OT1 OUTPUT B+1 16R 8R 4R 4 3 2 1 5 6 7 8 SW10 SPTT JK7 OUT JACK JK8 JK3 LINE OUT R102 10K/1W VR15 A5K R121 1K5 R103A 1K5 R104 470R/2W R107 470R/2W R105 470R/2W R106 470R/2W D6A R3000 D7A R

11、3000 C68 0.047U/630V VR16 A1M C72 0.0022U/250V R122 82K C69 100P/500V B+2 TRANS5 AC TRANSFORMER F2 F1.5A F3 F1.5A D9 1N4007 D10 1N4007 STANBAY SW D11 1N4007 D12 1N4007 TO BIAS A B C D 1 2 3 4 BD1 BR32 R130 100R R129 100R C77 1000U/63V R124 100R/5W C79 22U/63V C81 22U/50V C80 0.1U/100V +12V R125 100R

12、/2W C78 220U/63V VR18 B5K R128 22K R126 6K8 R127 68K A1 A2 A3 B1 B2 B3 C1 C2 C3 D1 D2 D3 +12V C83 220u/250V C84 220u/250V C86 100u/250V C87 100u/250V C88 100u/250V C89 100u/250V C90 47u/250V C85 47u/250V AT100-5H CHOKE R133 220K/1W R134 220K/1W R135 220K/1W R136 220K/1W R137 1K2/1W R138 220K R139 22

13、0K R141 220K R142 220K R140 10K/2W B+1B+2B+3B+4 F4 F1A TO MODE SW C2/C3 R3 1M 1 2 3 6 7 8 1 2 3 6 7 8 1 2 3 6 7 8 1 2 3 6 7 8 1 2 3 6 7 8 6 7 8 1 2 3 1 2 3 6 7 8 RL1 R14 3M3 C15 10UF/50V C12 100P/1KV RL4 RL6 OVERDRIVE LEVEL1 LEVEL2 C38 470P/250V REVERB BL2AB2C1B PRI OUT 2.25K MUTE REVERB LEVEL GAIN1

14、 GAIN2 RL2 C3210UF/450V C31 10UF/450V RL3 RL5 VR11 A500K SEND LEVEL R71 1M RL7 VR14 A250K RETURN LEVEL B+2 B+2 C56 .1UF/100V SW6 CHANNEL SW7 GAIN1/GAIN2 Q3 2N5551 TO RL2,RL6 R87 100K Q1 2N5551 R89 820R SW3 GAIN2 SW2 GAIN1 F1 FUSE2 RT1 C60-11 LAMP1 RED 6.3V 5.1V RL8 6.3V 6.3V 6.3V 6.3V6.3V 6.3V 6.3V

15、6.3V 6.3V 6.3V 6.3V 6.3V 6.3V 6.3V 5.1V SW1BRIGHT SW5 C75 0.01U/1KV C76 0.01U/1KV Vin Vout U4 LM317 1 2 3 C55 .1UF/100V R46 220K R47 220K C30 0.0033U/250V GREEN RED Q5 2N5551 Q6 2N5551 R92 4K7 R91 100K POWER R85 4K7 R86 100K R11 220k R56A 220k C40A 470P R49 330K R36 470K C41A 250P SW8 SK-22F06-G10 R

16、103 47R RED GREEN AT100 R44 560R C74 10U/50V C8210U/63V R132 1.8K R131 220R 2 8 4 6 V12 5AR4 LOAD IMPANDANCE SELECT INPUT VS6012 120V F5A/250V 230V T2.5A/250V 6.3V 150MA 2004-09-14 Q9 2N5551 R202 33K Q201 2SC1015 R203 10K R204 100K Q202 2SC1815 R205 820R R201 100K TO U2-PIN2 收音机爱好者资料库 Ra d i o Fa n s .CN