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TEMP 'A' R123 10K 3 IGM 'A' 9 8 + 14 IC101C LM339 R101 4.7K 4 2 R105 100 1 IC102A LM358A
8 + -
C101 1/50V
D
D
R118 100K 3
R124 10K R102 4.7K R103 2.7K R107 D102 1N4148 4.7K R108 1K Z101 PROT 'A' 1N5918A (5.1V) DATA 'A' C103 0.1/50V TEMP 'B' R125 10K 5 + -
CLIP 'A'
R119 10K
5 4
+ 12
A/CLIP 2 IC101A LM339
R122 220
R113 100 11 10 7 IC102B LM358A
+24V
+ -
13 IC101D LM339
R109 4.7K
6
C102 1/50V R111 2.7K
R126 10K R117 2.2K R120 100K R121 10K
R110 4.7K
7 6
+ -
B/CLIP 1 IC101B LM339 D107
D105 1N4148 VDDA 1N4001 D108 1N4001 VDDB
R115 4.7K
R116 1K
Z102 PROT 'B' 1N5918A (5.1V) DATA 'B' A/DATA AUX GND B/DATA A/+16V B/+16V A/-16V B/-16V 1 2 3 4 5 6 7
C
D109 1N4001 D110 1N4001 C105 0.1/50V C104 0.1/50V
VEEA
J3 26-48-1075 DATA & POWER CONN.
C
VEEB IGM 'B'
CLIP 'B' 34 V. AC
R5 2.7K F1 34 V. AC 3A/MINI BR1 RS202 C6 470/50V R3 10K Q1 2N5551
R7 100K R9 2.7K LED 3 SIGNAL
R8 100K
R6 2.7K
R10 2.7K 2N5551 LED 4 SIGNAL Q2 R4 10K
Q3 2N5551 LED 1 CLIP C5 0.1/50V LED 2 CLIP
2N5551 Q4
M5 44 V. OUT SIGNAL CH. A CLIP CH. A CONTROL V. CH. A LIMIT CH. A SPKR. RAIL CH. A MUTE CH. A TEMP SENSOR + TEMP SENSOR OUT TEMP SENSOR GND GROUND GROUND GROUND TRANSFORMER TEMP GND TRANSFORMER TEMP 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 26-48-1155
D3 1N4148
D5 1N4148
D7 1N4148
C1 1/50V
D9 1N4148
D8 1N4148
C2 1/50V
D6 1N4148
D4 1N4148
D2 1N4148
M6 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 27 V. IN SIGNAL CH. B CLIP CH. B CONTROL V. CH. B LIMIT CH. B SPKR. RAIL CH. B MUTE CH. B TEMP SENSOR + TEMP SENSOR OUT TEMP SENSOR GND. GROUND RELAY GROUND RELAY GROUND RELAY 1,3 RELAY 2,4
R11 5K/5W TR1 470/6.3V
C4 C3 470/6.3V
R12 5K/5W
B
B
R13 MAC97A 10K C8 100/25V D11 D10 100/25V Z1 1N5927A Z2 1N5927A C7 TR2 MAC97A
R14 10K
26-48-1155
1N4148
1N4148
D13 1N4148
LED 7 ACTIVE R15 2.7K
LED 5 TEMP/DC R17 2.7K
R19 5.1K
R21 1K
R23 750/1%
R24 750/1%
R22 1K
R20 5.1K LED 6 TEMP/DC R18 LED 8 ACTIVE R16 2.7K D12 1N4148 VR2 5KB
M8 3 2 1 26-48-1035
13
8
5KB
1 3 1N4148 4 IC1A LM614 +
7 5 IC1B LM614 +
R38 R25 4.7K MPSA75 Q5 R27 390 100K R31 R29 10K 390K D17 1N4148 R33 4.7K R37 2.2K R34 4.7K R35 499/1% R36 499/1% R32 390K D16 1N4148
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26-48-1035
A
12-14-93 CHANGE CHANGE CHANGE CHANGE CHANGE NOTE 1 R23,R24 WILL CHANGE TO 1K/1% WITH UL APPROVAL. R101,R109 R 103,R111 R 107,R115 R108,R116 Z10 1,Z102 FROM FROM FROM FROM FROM 10K TO 4.7K. 2.2K TO 2.7K. 3.3K TO 4.7K. 2.2K TO 1K. 1N5913 TO 1N5918.
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IC1E LM614
14
16 IC1D LM614
5
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-
3 2 1
VR1
13
M7
2
D15
D19 1N4148 6
D18 1N4148 15 D14 12 11 1N4148 + 10 IC1C LM614
2.7K
R39
100K R26 4.7K
R30 10K R28 390
Q6 MPSA75
A
CREST AUDIO 100 EISENHOWER DRIVE PARAMUS, NJ 07652 Size D Date:
4 3 2
Document Number 21D1977-xx Wednesday, May 17, 2000
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