| +12v |
R652 | 4560 |
100K | 2 |
|
U201A | 1 |
3 |
|
BIAS
C628 | R656 |
|
| 4 | |
|
| |
10U | 100K |
|
|
|
|
| C612 |
|
| C610 | R615 | R616 | R617 | .047 |
|
| 10U | 3.3K |
| R618 |
| |
| 33K | 10K | 10K |
| ||
|
|
|
| |||
|
|
|
| 3 | 1 |
|
|
|
|
|
|
| R624 |
3 | P601A | C611 | P605A |
|
| |
| 2 | 1M | ||||
|
|
|
| |||
|
|
| 27PF |
| R61922K |
|
| 2 |
|
|
| +12V | |
|
|
|
|
| ||
|
| +12V |
|
|
|
|
| 8 |
|
|
|
|
|
|
|
|
|
|
|
| |
|
| 8 |
|
| C615 | .001 |
| 4560 | R626 | R627 |
|
|
|
|
|
| |||||
| BIAS |
|
|
| 2 |
| 6 | |||
1 | 4560 |
| R622 |
|
| 74.7K | 4.7K | |||
| 6 | U602B | 7 | 10K3 |
| 1 | 5 | U603B | ||
| 5 |
|
|
|
|
|
| R625 |
| |
|
|
|
| P606A | R623 |
|
|
| ||
|
|
|
|
|
|
| 4.7K |
| ||
|
|
|
|
|
| 10K |
|
| P602 | |
|
|
|
|
|
| BIAS |
|
| ||
|
|
|
|
|
|
|
|
|
|
| 1 | P4A |
R51 | 3 | |
10K | C14 |
|
| 27PF | 2 |
| 2 | |
|
|
1U1A 3
4560
R53
|
|
|
4 | 10K | |
|
| R54 |
|
|
|
| 10K | C15 4 | P3B |
C16 |
|
| 27PF |
|
|
|
|
| |
27PF1 | P3A | 3 | +12V5 | |
|
|
| 8 |
|
C13
25PF 4 P4B 6
|
|
| RCAPC |
+12V5 | 10K | C635 | J8A |
8 |
|
| LEFT |
|
|
|
7 | 6 | 1U | TAPEIN |
U1B 5 |
| AUX2IN | |
|
|
RCAPC
4560 R47 C636 J8B BIAS 10K
RIGHT
61U
R52
10K PHONE1/4
J5
SCHEMATIC
CHANNELS4TO6
PHONE1/4
J601
LEFTIN
C633
PHONE1/4
J602 1U
RIGHTINC634
1U
R614 |
|
|
| C618 |
| P100K |
|
|
|
|
| ||
33K |
|
|
| .047 |
| BAL |
|
|
|
| BIAS |
| |
|
|
| R638 | R640 |
| |
|
|
| 10K | 10K |
|
|
C616 | R636 | R637 | 6 | 4 | R647 | R649 |
| 4560 R646 | 4.7K | ||||
VOLUME 10U | 3.3K | 33K |
| 4.7K | ||
P605B |
|
|
| |||
|
|
|
|
|
|
6 | 5 | R641 | 1M |
22K |
P601B |
| C617 |
|
|
|
|
|
|
| R648 |
|
| 5 |
|
|
|
|
|
| 2 |
| ||
| 27PF |
|
|
|
|
|
| 4.7K | AUX2 | ||
R632 |
|
|
|
|
| C621 | .001 | U603A | 1 | R650 | |
33K |
|
| 4560 |
| R644 | 5 |
|
| 3 |
| |
| 2 |
|
|
|
|
| 10K | ||||
4 |
|
|
|
|
|
|
|
|
| ||
|
|
| 10K |
|
|
|
|
|
| ||
R633 | R635 | 3 | U602A | 1 | 6 |
| 4 |
| 4 |
| P604 |
22K | 22K |
|
|
| P606B | R645 |
|
| P100K | ||
| +12V |
|
|
|
| 10K |
|
| BIAS | ||
|
|
|
|
|
|
|
|
| |||
8 | 4 | BIAS | AUX1 |
| 6 | 4560 |
|
|
|
|
| 7 |
|
| |
R634 | 5 | U401B | P603 | R651 | |
|
| P100K | 10K | ||
22K |
|
|
|
| BIAS |
|
|
|
|
|
|
|
| R55 | 4560 | 6 |
|
|
| C637 |
| LEFT | |
R56 |
| 2 | 10K |
|
|
|
|
|
| |||
|
|
|
|
|
|
|
| |||||
10K |
| 4560 | 2 | 7 | U2B | 5 |
|
|
|
|
|
|
|
|
|
|
| 1U |
| AUX1 | |||||
1 |
| U2A | 3 |
|
|
|
|
|
|
| J6 |
|
|
|
| BIAS |
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
| RIGHT | ||
|
|
|
|
|
|
|
|
|
|
|
| |
|
| 4 |
|
|
|
|
| C638 | PHONE1/4 |
| ||
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
| C1 | 27PF |
|
|
| 1U |
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
| R2 |
|
|
|
|
|
|
|
|
|
|
|
| 10K |
| C2 | R5 LEFT |
|
| 4560 |
| R20 | |
|
|
|
| +12V | 1U | 1 | 3 |
|
| 51 | ||
|
|
| R1 | 8 |
|
|
|
| U3A | 1 |
| |
|
|
|
|
| P1A 33K2 | 2 |
| |||||
|
|
| 100 |
|
|
|
| |||||
|
|
| 6 | 4560 |
|
| R8 |
| ||||
|
|
|
|
|
|
|
|
|
| |||
|
|
|
| 7 |
|
|
|
|
| 51 |
| |
|
|
|
|
|
|
|
|
|
|
| ||
R58 |
|
| 5 | U3B |
| BIAS3 |
| 4 |
|
|
| |
100K |
|
|
|
|
|
|
| J3 | ||||
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
| C4 |
|
|
| C5 | PHONE1/4 |
|
| C17 |
| BIAS |
|
| 10U |
|
|
| 10U |
|
|
|
|
|
|
|
|
|
|
|
|
| |
R57 | 27PF |
| 1K | AUX2OUT |
| R6 | 4.7K | R733K |
|
| ||
1K |
|
|
|
|
|
|
|
|
|
| ||
2 | 4560 |
| PHONE1/4 |
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
| ||
6
|
|
|
|
|
|
| BIAS | VOLUME |
|
|
|
|
|
|
|
|
|
|
|
| ||
1OF3 |
|
|
|
|
| +24V |
|
|
|
|
|
| VOLUME |
| CHANNELS1TO3 |
|
|
|
| |||
|
|
| C105 |
|
|
| R113 |
| C107 | +12V |
|
|
|
| C111 |
|
|
|
|
|
|
|
|
| R102 |
|
|
|
|
|
|
|
| 10U |
|
|
|
|
|
|
| ||||
|
| 6.8K |
|
| R108 | 10K | 27PF | 8 | 1 |
| P101A | 3 |
|
|
|
|
|
|
| |||
R101 | +12V |
|
| 100 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
| C113 |
|
|
|
| ||||
6.8K |
| 1U |
|
|
|
|
| 5 | 4560 |
|
|
|
| 6OHz |
|
|
|
| ||||
|
|
|
|
|
|
|
|
| R117 | .047 |
|
|
|
|
| |||||||
|
| C117 |
|
|
|
|
|
|
| 7 |
|
| R124 |
|
|
| ||||||
3 |
| 1U |
|
|
|
|
|
| 6 | U101B |
| 2 | 3.3K | R120 |
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||||||
|
| R106 | R107 |
|
| C106 |
|
|
|
|
| BIAS |
|
| 10K |
|
| 10K |
|
|
| |
|
| 4.7K |
|
|
| 470U |
|
|
|
|
|
|
|
|
|
|
|
|
|
| R128 | R129 |
CH1 |
| 30 |
|
|
|
|
|
|
| R118 | 33K |
| P100K |
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 4.7K | 4.7K | ||||||
1 | 2 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
| P107 |
|
|
| BIAS | R114 |
|
| 4560 |
|
| P105 |
|
|
|
|
|
| ||||
|
|
|
|
|
| 10K |
|
|
|
|
|
|
|
|
|
|
| |||||
|
|
| C10K |
| R109 |
|
|
|
|
|
|
| R12322K |
|
|
| ||||||
|
|
|
|
|
|
|
|
|
| C112 | 27PF |
| R127 |
|
| |||||||
J101 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| PAN | P102 | ||||
| C101 | Q101 | Q102 | 4.7K |
|
|
|
|
|
|
|
|
| C116 | .001 | 1M | ||||||
| C102 |
|
|
| C109 |
|
|
|
|
|
|
| ||||||||||
|
| 2N5087 |
|
|
|
| C108 |
|
|
|
|
|
|
|
|
| +12V |
| P100K | |||
| 1U |
|
|
|
| 102 |
| 27PF |
|
| 2 |
|
|
|
|
|
| 8 |
|
| ||
|
| 1U | 2N5087 |
|
|
|
|
| U102A | 1 |
|
| R126 | 4560 |
|
| ||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| R131 | ||||||
|
|
|
|
|
|
|
|
|
|
|
|
| 3 |
|
|
| R130 | |||||
| C118 |
| R110 |
| R111 |
|
|
|
|
|
|
|
| R122 | P106 | 10K | 6 | 4.7K | 4.7K | |||
1OF3 |
|
|
|
|
|
|
|
|
|
|
| U102B | ||||||||||
1U |
| 2K |
| 2K |
|
|
|
|
|
|
|
|
|
|
|
|
| 7 |
| |||
|
|
|
|
| C110 |
|
| R116 |
|
| 10K | P100K |
| 5 |
|
| ||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| R132 | |||||||
|
|
|
|
|
|
|
|
|
| 10U |
|
| 33K | 4 |
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
| R103 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
PHONE1/4 | 10K | C104 | R112 |
|
|
| R119 | 10K |
| BIAS | 10K | |
J102 | 470PF |
|
|
| 12KHz | P104 | ||||||
| R104 | 10K |
|
|
|
|
|
| AUX2 | |||
|
|
|
|
|
|
|
|
|
| BIASP100K | ||
| 10K |
|
|
|
|
|
|
|
|
|
| |
| C103 |
|
|
|
| P103 |
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
| ||
|
| 470PF | BIAS |
|
|
| P100K |
|
|
| +12V |
|
|
|
| R71 |
|
| BIAS |
|
|
| OVLD | ||
|
|
|
| 47K | C625 | VOLUME |
| CHANNELS1TO3 |
|
| ||
|
|
|
|
|
|
|
|
|
| R68 | +12V | |
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
| C29 |
| 1U | CR4 |
|
|
| CR8 | 4.7K |
|
|
|
| 120PF |
|
|
|
|
| R67 | |||
|
|
|
|
|
|
|
|
| 1N4148 +24V |
| ||
|
|
| 4560 |
| 1N4148 |
|
|
|
|
| ||
|
|
| 2 | C21 | CR7 |
|
| 4.7K | ||||
| 3 | U401A | 1 |
|
|
|
| D3 | D2 |
|
|
|
|
|
|
|
| LDRR |
| ||
|
| 1U |
| CR3 |
|
|
|
| ||
|
|
|
| 1N4148 | C23 |
| LDRR |
| ||
| R657 |
|
|
| 1N4148 |
| LEFT |
| RIGHT | |
|
|
|
| C24 | 1U | R69 | ||||
| 100K | 4 | R658 |
|
|
| ||||
| SW2A | 1U |
| Q103 | 47K |
| ||||
|
|
| 100K |
|
| |||||
|
|
|
|
|
|
| ||||
|
|
|
|
|
| 1 |
| 2N3904 |
|
|
|
|
|
| 2 |
| +12V |
|
|
|
|
VCC | +12V |
| R3 | 100K |
| 3 |
| R70 | Q104 |
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
| 10K |
|
| ||
2 | MPSA05 |
|
|
| DPDT |
|
| 2N3904 |
| |
Q107 |
|
|
|
|
|
|
|
| ||
SW1A |
|
|
|
|
|
| R75 |
|
| C25 |
|
|
|
| |
DPDT |
|
| 2N3904 |
|
| 4.7K | |
|
|
|
| C27 |
| ||
|
| 1KUF | Q108 |
|
|
| |
|
|
|
|
|
| ||
J9 |
|
|
|
| 1U | C3 |
|
12 | 3 | CR5 | R74 |
|
| D1 | |
|
| 503 | |||||
3 |
|
|
|
|
| LDSG | |
1N4001 |
|
|
|
| |||
1 |
|
|
|
|
|
|
|
|
|
| 100K | C26 |
|
|
|
JAPDC |
|
|
|
|
|
| |
|
|
| 47U |
|
|
| |
|
|
|
|
|
|
| |
| 3 | U4A | 1 | J2 |
|
|
|
|
|
|
|
|
|
|
| C18 |
|
|
|
|
|
|
|
| |
|
|
|
| 1U |
| C6 | 27PF |
|
|
|
| |
|
|
|
|
|
|
|
|
|
| |||
|
| 4 |
|
|
|
|
|
|
|
| R20 |
|
| BIAS | R60 |
|
|
|
|
|
|
|
| ||
|
|
| R1210K |
| RIGHT |
| 51 |
| ||||
|
|
|
|
|
|
|
|
| ||||
|
|
| 100K |
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
| |
R11 |
|
|
|
|
| +12V |
| C7 |
|
|
| |
100 |
|
|
|
|
| 8 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
| R62 |
|
| 6 |
| 4560 | 1U | R15 |
|
| |
|
|
|
|
|
|
| 7 |
| 33K |
|
| |
|
| 100K |
|
| 5 | U5B |
| PHONE1/4 | ||||
|
|
| AUX1OUT |
|
|
| ||||||
|
|
|
|
|
|
|
|
| ||||
|
|
| 1K | PHONE1/4 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
| C19 |
| J1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
| 27PF |
| C20 |
|
|
| 4 |
| 4560 |
|
|
|
|
|
|
|
|
| 3 |
|
| |||
|
|
|
| 1U |
|
|
|
|
| |||
| +12V |
|
|
|
|
|
| 1 |
| |||
|
|
|
| P1B |
|
| U5A |
| ||||
|
| 8 |
|
|
|
| 2 |
|
| |||
R61 |
|
| R64 |
|
|
| 5 |
|
| R18 |
| |
| 4560 |
|
|
|
|
|
|
| C10 | |||
|
|
|
|
|
|
|
|
| ||||
6 |
|
| 100K |
|
|
|
|
|
|
| 51 | 10U |
|
| U4B | 7 |
|
|
| C9 | 6 | 4 |
|
| |
1K5 |
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
| 10U |
|
|
| |||
BIAS |
|
|
|
|
|
|
| R16 | R17 |
|
| |
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
| 4.7K | 33K |
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
| R37 | +12V |
|
|
|
|
|
|
|
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| 33K | 8 |
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1 | 5 | 4560 | R40 |
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| 710 | |
2 | 6 | U6B | |
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P2A |
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| C623 |
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| 3 |
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| 47U |
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| R39 | PHONE1/4 |
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| J7 |
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| HEADPHONE |
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| R38 |
| C624 |
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| 2K | R44 |
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| R41 | 10 |
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P2B | 4 | 33K 3 |
| 1 |
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5 |
| 2 |
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| 4560 |
| ROLLS CORPORATION | |
BIAS | 6 |
| 4 |
| 5968 South 350 West |
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| Salt Lake City, UT 84107 | ||||
C12 |
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| R43 |
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| Title: MX902 12v Mic/Line Mixer |
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10U |
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| 33K |
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| R42 2K |
| Size: | DocumentNumber: | Rev:A | |
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| Rb | MX902.sch | |||
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| Date: | Sheet: 1 of 1 | |
