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8 7 6 5 4 3 2 1
D D
D1 1N4004
R65 R61
Z1 18K NOT USED
1N5925A
R66 R63
Z2 24K 470
1N5941A
C9 C11 + 85 V.
0.001/50V 0.01/50V
Q22
2N5401
R45
Q28
2N5551 Q2 15K R49
D7 15K
1N4148 2SC2336BQ
R47
R6 Q4 100K
Q18 D5 C7
C1 10/1W 2SC3281 Q6 Q8 Q10 Q12 Q14 Q16 0.1/100V
2SC3281 FR204
100uF/6.3V 2SC3281 2SC3281 2SC3281 2SC3281 2SC3281 2SC3281 Q24
R11 2N5401
R39 100K
2.2/1W R13 R15 R17 R19 R21 R23 Q26
C2
C 0.1uF/100V 2.2/1W 2.2/1W 2.2/1W 2.2/1W 2.2/1W 2.2/1W 2N5401 C
R41 Q20 GROUND
2N5551
100/1% R55 220
R53 L1
R1 R4 R9 R25 R27 R29 R31 R33 R35 R37 R43 270K
30/2W 0.33/5W 0.33/5W 0.33/5W 0.33/5W 0.33/5W 0.33/5W 0.33/5W 100/1% D3 2uH
8 680 150/1W
D9 1N4004
3
4
1
7
6 1N4148 R59
Q1 2 6 OUT
5
2SC3068 9 1/5W
4
3 R2
2 R3 R5 R8 R10 R26 R28 R30 R32 R34 R36 R38 R44 D4 R60
634
7
8
5
1 100/1W 150/1W 51/2W 30/2W 0.33/5W 0.33/5W 0.33/5W 0.33/5W 0.33/5W 0.33/5W 0.33/5W 100/1% 1N4004 2/5W
IC1
J1 LA2500 R42 R54 220
Q21
INPUT 2N5401
D10
100/1% Q27 C5
1N4148 R14 R16 R18 R20 R22 R24
R12 2.2/1W 2.2/1W 2.2/1W 2.2/1W 2.2/1W 2.2/1W 2N5551 0.047/630V
R40 100K
VR1 Q25
2.2/1W Q7 Q9 Q11 Q13 Q15 Q17 2N5551
PTC15LB/100 Q19
Q5 2SA1302 2SA1302 2SA1302 2SA1302 2SA1302 2SA1302 2SA1302
R7 D6
10/1W 2SA1302 R48
100K FR204
Q3 R50
D8 2SA1006BQ R46 15K
1N4148 C6
Q29 0.1/100V
2N5401 15K Q23
2N5551
C8
- 85 V.
0.001/50 C10
0.01/50V
R67 R64
Z3 24K 470
1N5941A
R68 R62
B B
Z4 18K NOT USED
1N5925A
D2 1N4004
ECO # 741A CHANGE R2 TO 634
J2 IC2
3
1 R56
LM35DP 1K
1
2
2
3
4
5
6
7
CLIP/TEMP
A A
CREST AUDIO INC.
150 Florence Ave.
Hawthorne, NJ 07506
Title
FA1201/FA2401 OUTPUT STAGE
Size Document Number Rev
C 21C0983 1
Date: Thursday, January 24, 2002 Sheet 1 of 1
8 7 6 5 4 3 2 1