Yorkville 6400 Mixer Amp Service Manual 电路图.pdf

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1、PCB#:YORKVILLENAME: MODELS:SCH ISSUE: TITLE: DATE: M425_M424_M484 MIXER-AMP 6400 6400V5.SCH AUG/21/84 6400 5.00 4K7 R1 1/4 TLO74 U1 2 3 1 NUTRIX USE . 1n C1 S T METAL FUNC 1/4 TLO74 U1 9 10 8 22u25V C11 1K R8 10K R13 1K R7 10K R10 1/4 TLO74 U1 6 5 7 680R R30 10K R34 220R 0.5W R36 100p C2 27K R4 BC55

2、0 Q2 2.2uH L1 BC550 Q1 1/4 LF347 U1 2 3 1 1/4 TLO74 U1A 13 12 14 CW 10KL VOLUME CW 3M3A ATTEN CW 50KL BASS CW 250KL TREB 470R R39 4K7 R2 27K R3 470R R5 22u 25V C40 100N S T IN EQ S T OUT EQ 1N5 C5 220K R9 27p C7 4u7 63V C3 100u 25V C12 22K R6 4u7 63V C4 100N C15 4u763V C6 CW 25KL MON CW 25KL EFF CW

3、25KL REV 4u763V C10 1OK R11 33n C8 2n2 C9 10p C13 1M R15 10K R20 1OK R14 1OK R12 10K R16 10K R17 10K R18 10K R19 1/4 TLO74 U2 13 12 14 1/4 TLO74 U2 6 5 7 1/4 TLO74 U1 13 12 14 1/4 TLO74 U2 9 10 8 12K R1 3K3 R25 1K2 4k7 R3 470R R4 470R R43 12K R26 22K R15 560K R16 2K2 R27 8K2 R7 8K2 R14 1K R42 100K R

4、37 330R R10 100R R11 47p C10 47R R13 100K R40 BC550 QZ 15K R24 1K R23 15K R22 100R R41 1K5 RY 47p C13 47pf C2 100p C5 10K R6 12K R5 1/4 TLO74 U1A 9 10 8 S T REV FT_SW +3dB 0dB -3dB -6dB -9dB -12dB -15dB -ON +9dB +6dB BC550C Q1 S T MON OUT 6K8 RZ 47p CZ CX CY 2N5638 BC550 Q3 1K R33 4u763V C8 S T . .

5、47p C6 CW 100KA MAIN D3 CW 100KA MONITOR 2N5638 22K R28 6X25KL 1/4 TLO74 U2 2 3 1 BC560C Q2 BC550 _Q2 10K R18 CW 50KRA A 4u763V C1 4u763V C3 4u763V C7 4u763V C9 4u763V C4 22K R12 CW 100KA EFFECTS L3 L4 L5 L6 L7 L8 L9 L10 V- V+ LO INPUT HI REF ADJ MODE L2LED1(LO) LM3915 D2 100k RX 330R R8 100R R9 68K

6、 R29 4u763V C12 4u763V C11 4u763V C17 63V 1u C14 1K R32 63V1u C15 4u7 63V C16 680R R35 6K8 R31 1K2 R44 100K R38 24V/5W 1N5359 ZD1 1/4 TLO74 U1A 6 5 7 1N4745 16V/1W ZD2 470R R2 25V 22u _C1 YSL3411 T1,6A 120VAC 60Hz 200VA YSL1299 4700u 63V C16 4700u 63V C15 YSL34112.92A 47N 400V 100u 25V _C4 22R 0.5W

7、1N5349A 12V/5W ZDX2 1N5349A 12V/5W ZDX1 15K R5 S T . . 5uH L1 BC560C Q8 15K R2 TIP42C _Q8 4K7 R20 4K7 _R27 1N5 _C2 0R18 5W _R21 1K8 _R17 1K8 _R16 TP41C _Q9 15p D2 MJ15015 _Q13 MJ15015 _Q10 _D7 0R18 5W _R20 22R 0.5W 1K5 _R36 1K5 _R15 1K _R14 2K2 _R6 15K _R7 47p _C12 100R _R11 4K7 _R13 0R18 5W _R22 33

8、K _R8 BC560C Q6 D4 100R _R12 D6 0R18 5W _R23 MJ15016 _Q11 D3 _D1 40V 22u C8 S T RTN EFF 470R _R4 S T EFF SND S T IN PA S T OUT MAIN 220R 0.5W _R19 MJ15016 _Q14 2N5638 NC MT1 MT2 BF871 BCE BF872 TIP41C ECB TIP42C VIEW BOTTOM BE MJ15015 MJ15016 BC550C CBE BC560C 470R _R9 IN REF OUT 7915 8A 0.047u _C6

9、10R 0.5W _R24 4u7 63V C39 2K2 _R3 10R 0.5W _R25 4u7 63V C38 1K5 _R1 4u7 63V C37 #1290 50Hz 220VAC YSL# 4u7 63V C36 IN REF OUT 7815 1N4004 1N4004 1N4004 D7 1N4004 D8 8A BC550 _Q1 BC550 _Q3 BF871 _Q4 GREEN AC_ON _D5 220R 0.5W _R18 BF872 _Q5 1N4004 _D9 1N4004 _D8 -15V MAIN_BUS MON_BUSS EFF_BUSS REV_BUS

10、S +15V -HIV +HIV +HIV +45VDC BLK/WHT BLK/RED WHT BLK M484 PCB CHASSIS MOUNT PARTS NOT ON PCB WHITE -45VDC LOAD MINIMUM 4 OHM JACKS OUTPUT SPEAKER PART OF M424 PCB GREEN NOTES: 1. ALL UNMARKED DIODES ARE 1N4148. 2. THERMAL CONNECT Q5 TO HEATSINK. BLACK YSL3695 EUROPEAN POWER SUPPLY BROWN Y/GREEN BLUE

11、 -15V +15V MAIN REVERB EFFECTS MONITOR M424 PCB REVERB DELAY LINE AMP POWER TO BC550C Q9Q8Q7Q6Q5Q4 QZ 32001600800400200100FREQ R65 R59 R64 R58 R63 R57 R62 R56 R61 R55 R60 R54 RZ=6K8 RY=1K5 R53R52R51R50R49R48RX=100K C35C34C33C32C31C30CZ=47p 1n C29 2n2 C28 3n3 C27 6n8 C26 15n C25 33n C24 CY 15n C23 33

12、n C22 68n C21 100n C20 220n C19 470n C18 CX +15V -15V CONNECTION = EYELETA 1 TABLE A G -HI V N DOTTED LINE FOR VALUES INSIDE SEE TABLE A +15V -15V +15V 3200 HzHz 1600 Hz 800 Hz 400 Hz 200 Hz 100 N F A B RETURN REV SEND REV K J I H RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库