Carvin_x4_switching 电路图 维修原理图.pdf

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1、1 Q5 2 Q1 3 Q0 4 Q2 5 Q6 6 Q7 7 Q3 8 V- 9 Q8 10 Q4 11 Q9 12 OUT/10 13 EN 14 CLK 15 RST 16 V+4 0 1 7 U4 5 6 R168 C111 220K .047 S5 CHANNEL SELECT John L. Murphy R181 10K R183 1K R182 C117 S6 220K .1 REVERBMSTR EFFGRAPHIC EQ 11 10 13 12 1155 INDUSTRIAL AVE. APPROVED: NO: DATE: DATE: PCB NO: ASSY. REV:

2、 REV: (619) 747-1710 FAX 747-9065 DRAWN BY: REVISED BY:DATE: ESCONDIDO, CA 92029 ARVINC R188 10K R190 1K R189 2 C116 S7 220K .1 1 3 4 R195 10K R197 1K R196 C126 S8 220K .1 56 9 8 12JUL91 C118 .1 1 2 1 3 U1 3 4 5 U1 8 9 U1 1011 1 2 U1 R184 2.2K C119 .1 R185 2.2K C120 .1 R186 2.2K C121 .1 R187 2.2K C1

3、22 .1 1 2 1 3 U2 3 4 5 U2 8 9 U2 1011 1 2 U2 R191 2.2K C123 .1 R192 2.2K C124 .1 R193 2.2K C125 .1 R194 2.2K C127 .1 1 2 1 3 U3 3 4 5 U3 8 9 6 U3 1011 1 2 U3 R198 2.2K C128 .1 R199 2.2K C129 .1 R200 2.2K C130 .1 R201 2.2K CH 1 CH 2 CH 3 CH 4 D117 D115 D111 D112 D113 D114 R176 44.7K R175 4.7K R174 4.

4、7K R173 4.7K R172 4.7K R171 4.7K R170 12 4.7K R169 4.7K CH 4 13 6 11 10 U7 1110 U6 56 U6 1234 3 6 12 U7U6 U7U6 D116 D118 D120 D121 D122 D119 H8-1 H8-2 H8-3 H8-4 H8-5 H8-6 H8-7 H8-8 H8-9 R177 100KC112 .01 R178 100KC113 .01 R179 100KC114 .01 R180 100K C115 .01 CH 3 CH 1 C107 .22 C108 .22 C109 .22 C110

5、 .22 D107 D108 D109 D110 R164 1M R165 1M R166 1M R167 1M C1 C2 C3 C4 RV FX EQ Effects Switching Logic Channel Switching Logic Logic 1 = GND (ON) Logic 0 = V- (OFF) 30-00104 80-00104 9 8 U6 9 8 U7 13 12 U7 C100 .047 C101 .047 R153 100K C102 .047 R155 100K C103 .047 R157 100K LAST USED LIST D100 D101

6、D102 D103 NOTES: UNLESS OTHERWISE INDICATED 3. ALL DIODES ARE 1N4003. 1. ALL CAPACITORS ARE IN MICROFARADS. 4. U1, U2, AND U3 ARE 4066 TYPES U6 U8U8U8U8U8U8 5. U4 IS A 4017 TYPE D123 D124D125 2. ALL CMOS ARE B SERIES. 00104 C D H J R S U 100-130 - H10-1 H10-2 H10-3 H10-4 FXN EQN Quad X-Amp CH 2 CH1

7、(MIDI) CH2 (MIDI) CH3 (MIDI) HARNESS FROM 30-00107 CH4 (MIDI) D9 FOOTSWITCH CONNECTOR 5-8 HARNESS 81-00108 8 9 7 6 5 4 3 2 1 D 9 CONNECTOR J3 H8-1 H8-2 H8-3 H8-4 H8-5 H8-6 H8-7 H8-9 H8-9 H8-10 H8-10 81-00110 8,10 NOT ASSIGNED 1-8 100-125 U7 System Master.Digital V- V- GND B TO 30-00104 BREAK-AWAY SY

8、STEM MASTER #1 of 2 8. ADDED AS SECONDARY OPERATION. R151 100K V-V- V- Logic 0 = V- (CH OFF) Logic 1 = GND (CH ON) J. KENNEDY 98 1110 1312 12 -10VDC -10VDC -10VDC -10VDC R158 R159 -10VDC V- 34 56 Schematic 84-00114 P1 7. U5-U8: PIN 14 TO GND B, PIN 7 TO V- 6. U5, U6, U7, AND U8 ARE 4584 TYPES V- U5 U5 H10-5 H10-6 H10-7 H10-8 V- V+ U5 U5 U5 U5 4.7K 10K 150-201 160-163 MIDI VERSION 7JAN93 K D 收音机爱好者资料库 Ra d i o Fa n s .CN