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3097.SCH-1 - Fri Aug 29 15:32:24 2003

3097.SCH-2 - Fri Aug 29 15:32:58 2003

8

7

6

5

4

3

2

1

SERVO SEND CH A +HI RL 1 2 3 J7A 22-29-2031 1 2 3 J7B 22-29-2031 TO DISPLAY PCB
D

VR SEND B VR GND VR RET B

-15.5V STEREO/BRIDGE +15.5V IC103C LM339D 14

R174 R139 825K/1% R130 33.2K/.1%.5W R132 0.1/200V R159 576/1% C114 Q111 MMBT5551
D

C112

1.5K/1W

10K C&K TS01 R2

10K/1% 6 5 +15.5V +15.5V R129 R1 10K/1% C2 5 C8 D4 1N4148 - SIG IN R3 10K/1% 33pF/50V R9 48.7K/1% D2 1N4148 D6 1N4148 6 5 + 7 R11 100K 3 2 C10 0.1/25V C12 R21 10K R23 8 IC1A NJM5532M 1 R19 4 220K D15 1N4148 C14 2.2/5%/63V IC3A NJM5532M D16 1N4148 2 3 2.7K -15.5V +20.5V 8 ATT. VOLTAGE 4 R120 576/1% R140 825K/1% 2 IC103A LM339D D121 1N4148 IC103B LM339D 1 7 + R142 2K21/.1% D123 1N4148 R126 243K/1% R133 6 R131 33.2K/.1%.5W R128 + ATTENUATOR DRIVER 4 CURRENT LIMITER 1 10K 33.2K/.1%.5W Z100 R144 2K29/0.1% 3 TO MODULE A 3.9K RETURN FROM VR OUTPUT TO VR R13 220K R141 2K21/.1% 7 IC3B NJM5532M +20.5V + R125 243K/1% D122 1N4148 R143 2K29/0.1%

+ 12

470pF/50V

2.2/5%/63V

2

+ -

3 J1 NC3FD 1 + SIG IN

R5 10K/1% R7 48.7K/1%

IC1B NJM5532M C5 33pF/50V D8 1N4148 C1

-20.5V D117 BALANCED INPUT/GAIN CH A -20.5V 0.1/25V SERVO/HIGH PASS R155 J3 PHONEJACK STEREO R35 1K/1% +15.5V R38 576/1% R36 1K/1% OTA CH B +15.5V R33 1K/1% R37 576/1% C19 0.22/16V OTA CH B 68.1/1% MMBT5401 Q105 R162 68.1/1% C110 0.001/50V R172 68.1/1% R168 68.1/1% 1N4148

C16 0.1/25V

IGM VALUES W ILL BE CONFIRMED AFTER PROTO BUILD R29 2.7K R27 +15.5V GND -15.5V -20.5V OTA CH B 10K 1 2 3 4 5 6 7 8 D19 +20.5V OTA CH A 2 4 6 8 10 12 14 16 18 20 J8 CA-20H-2B-S TO PWR SUPPLY C17 OTA CH A 10/50V Z1 GND -20.5V +15.5V -15.5V OTA CH B ATT. VOLTAGE SERVO SEND CH B OUTPUT TO VR RETURN FROM VR R14 220K +18V CH B C7 D3 1N4148 - SIG IN R4 10K/1% R6 10K/1% 4 D7 1N4148 2 D1 1N4148 D5 1N4148 0.1/25V C11 +20.5V C3 R20 220K R220 576/1% R22 10K C13 R24 2.7K R241 2K21/.1% 7 +20.5V R229 3.9K 3 1 5 4 + 12 R240 825K/1% R242 2K21/.1% D223 1N4148 R226 243K/1% 8 +15.5V D221 1N4148 +15.5V IC203C LM339D R225 243K/1% -15.5V R239 825K/1% C21 -15.5V MLL4732 22/35V C15 0.1/25V 22/35V ATTENUATOR MLL4732 C22 10/50V Z2 R28 47K 1N4148 R34 1K/1% IC4 NE5517AD 1N4148 R32 47K C18 R30 2.7K 16 15 14 13 12 11 10 9 D20 OTA CH A R31 10K C20 0.22/16V

R7-R9 IS BASED ON 700 WATTS @ 8 OHMS
C

OTA CH A

1 3 5 7 9 11 13 15 17 19

+20.5V

TO MODULE B 8 9 14 -

2.2/5%/63V 33pF/50V R10 48.7K/1% 2 3 8 C9

470pF/50V 1 5 6 IC2A NJM5532M R12 100K + 7

2.2/5%/63V 6 5

+

+ SIG IN 3 J2 NC3FD

IC2B NJM5532M

1

B

R8 48.7K/1%

C6 33pF/50V

D18 1N4148 D17 1N4148

+ IC5B NJM5532M 2 3

IC5A NJM5532M

+ 4

2 IC203A LM339D +15.5V

J4 C4 0.1/25V -20.5V

-20.5V

R228 10K

ATTENUATOR DRIVER CURRENT LIMITER

A

8

7

6

5

4

+

BALANCED INPUT/GAIN CH B

SERVO/HIGH PASS

-

PHONEJACK STEREO

-15.5V

R238 10K

IC203B LM339D 1

+ +

VR RET A VR GND VR SEND A

3 2 1

SW1

R138

8 9

-

33.2K/.1%.5W

0.1/50V 2SC3645 Q106 R157 68.1/1% Q108A MMPQ6700

Q109 2SC3645

R176 MMPQ6700 Q108B 47

C117

R161 68.1/1%

R167 68.1/1% R171 68.1/1%

D100 +LO RL +HI RL +IGM +CLIP +VA B +VA C GND GND NOT USED FB FB -VA C -VA B -CLIP -IGM -HI RL -LO RL

22/35V

HER155

MLL4752 R163 8.25K/1% R164 8.25K/1%

R178

C116

2.7K 33pF/500V

D116 1N4148

R179 11K/1%/1W

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 J101 CREST # ?

R180 576/1% R175 1.5K/1W R149 56K/3W D101 HER155

R151 1M 11 10

R153 100K D114

R158 68.1/1% C118

Q108C MMPQ6700

MMPQ6700 Q108D

R177 47

13 IC103D LM339D

+ -

1N4148 D115 1N4148 R152 100K R154 1M

2SA1415 22/35V Q107

Q110 2SA1415

C

Z101

MLL4752 C115

Q112 MMBT5401

-15.5V MMBT5551 Q104 C113 R156 68.1/1% 0.1/50V

R160 576/1%

0.1/200V

-HI RL

CLIP DETECTOR

CH A DRIVER

+HI RL R274 C212 R230 33.2K/.1%.5W R232 33.2K/.1%.5W C214 Q211 MMBT5551 0.1/200V R259 576/1% 1.5K/1W

0.1/50V D222 1N4148 R243 2K29/0.1% R257 68.1/1% R244 2K29/0.1% 2SC3645 Q206 Q208A MMPQ6700

Q209 2SC3645

R276 MMPQ6700 Q208B 47
B

C217

R261 68.1/1%

R267 68.1/1% R271 68.1/1%

D200 HER155 +LO RL +HI RL +IGM +CLIP +VA B +VA C GND GND NOT USED FB FB -VA C -VA B -CLIP -IGM -HI RL -LO RL

22/35V R233

6 7 R231 33.2K/.1%.5W

33.2K/.1%.5W

Z200

MLL4752 R263 8.25K/1% R264 8.25K/1%

R278

C216

2.7K 33pF/500V

D216 1N4148

R279 11K/1%/1W

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 J202 CREST # ?

D217 1N4148 R255 68.1/1% +15.5V MMBT5401 Q205 R253 100K R258 D214 13 IC203D LM339D R252 100K R254 1M Z201 -15.5V MMBT5551 Q204 0.1/50V C213 R256 68.1/1% 0.1/200V -HI RL MLL4752 C215 R260 576/1% + 11 10 1N4148 D215 1N4148 C218 2SA1415 22/35V Q207 68.1/1% Q208C MMPQ6700 MMPQ6700 Q208D Q210 2SA1415 R262 68.1/1% C210 0.001/50V R272 68.1/1% R268 68.1/1%

R280 576/1% R275 1.5K/1W R249 56K/3W D201 HER155 R277 47

R251 1M

Q212 MMBT5401

A

CLIP DETECTOR

CH B DRIVER

CREST AUDIO 100 EISENHOWER DRIVE PARAMUS, NJ 07652 Title CA12 PREAMP Size D Date:
3 2

Document Number PREAMP12.CA Wednesday, May 17, 2000
1

Rev

Sheet

0

of

0

8

7

6

5

4

3

2

1

D

D

D41

HER155 +135V. 1 2 3 4 5 J4-M PIGTAIL

2SC3281 C46 0.047/250V Q38

2SC3281 Q40

2SC3281 Q42

2SC3281 Q44

2SC3281 Q36 2SC2336BQ Q20

C37 150pF

R162 1K

C44 22/160V

C41 1.5/250V

R93 51/1W/2%

R94 4.7/1W D30 HER155

R139 10/1W

R99 39K

R163 10/1W R151 0.2/5W R153 0.2/5W R155 0.2/5W R157 0.2/5W D33 HER155 R149 10/1W R120 20K/1W R137 100/0.5W R135 1K D43 HER155

R159 2.2K/0.5W R141 390/5W D45

Q16 2SA1006BQ

R143 51/0.5W C39 330PF

Q22 2SC2336BQ R147 10/1W R97 13K Q24 2SC3281 R123 2.2/1W R125 2.2/1W Q26 2SC3281

+67V. Q28 2SC3281 R127 2.2/1W Q30 2SC3281 R129 2.2/1W Q32 2SC3281 R131 2.2/1W Q34 2SC3281 D35 HER155 C35 47/16V R133 3.9K C48 220/80V D39 1N4004 BYV79

R91 220 J1-M 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 CUSTOM MOLEX

R14 22

C29 0.1/100V

C31 330PF VR2 PTC15LB/250

C30 100/6.3V C33 0.0047/100V R103 150/1W D29 HER155 1N4148 D37 1N4148 D36 R104 22/2W

C

R122 0.33/5W

R124 0.33/5W

R126 0.33/5W

R128 0.33/5W

R130 0.33/5W

R145 51/0.5W

Z9 1N5927C

C50 2.2/100V
C

C42

2200pF

OUT

1 2 J6-M PIGTAIL

R100 10/1W C28 1200pF

R102 150/1W

R101 100/2W

R110 0.33/5W

R112 0.33/5W

R114 0.33/5W

R116 0.33/5W

R118 0.33/5W D34 HER155

Z8 1N5927C

C34 47/16V R132 3.9K C47 220/80V

C32 0.0047/100V R90 510 Q17 TIP117 C38 330PF Q15 2SC2336BQ R142 51/0.5W R109 R96 13K 2.2/1W R146 10/1W Q21 2SA1006BQ Q23 2SA1302

R111 2.2/1W Q25 2SA1302

R113 2.2/1W Q27 2SA1302

R115 2.2/1W Q29 2SA1302

R117 2.2/1W Q31 2SA1302 Q33 2SA1302 D38 1N4004

C49 2.2/100V

D44 -67V. BYV79 R150 0.2/5W R152 0.2/5W R154 0.2/5W R156 0.2/5W D32 HER155 R148 10/1W R119 20K/1W R136 100/0.5W R134 1K D42 HER155 R158 2.2K/0.5W R140 390/5W 5 4 3 2 1 J5-F PIGTAIL

R92 51/1W/2%

D28 HER155 R89 4.7/1W

R138 10/1W

R98 39K

R164 10/1W

2SA1006BQ C45 0.047/250V R161 2SA1302 Q37
B

2SA1302 Q39

2SA1302 Q41

2SA1302 Q43

2SA1302 Q35

Q19 C36 150pF 1K

C43 22/160V

C40 1.5/250V -135V.
B

D40

HER155

1 2 3 J7 PIGTAIL

1

IC5 LM35DP

3

A

2

R165 2.2K

A

CREST AUDIO 150 Florence Ave. Hawthorne, NJ. 07506 Title CA-12 OUTPUT PCB Size C Date:
8 7 6 5 4 3 2

Document Number 21C0929 Wednesday, May 17, 2000 Sheet
1

Rev 0 of 1

8

7

6

5

4

3

2

1

CH A IN

1 2 3 4 5 6 J13 10-84-4060 CH A

CH B IN

1 2 3 4 5 6 J12 10-84-4060 CH B R55 2R2/1 +15.5V R56 2R2/1

2 4 6 8 10 12 14 16 18 20

TEMP PWR CH A TEMP OUT CH A TEMP GND CH A J2 CA-20HM-2F-S TO PREAMP TEMP PWR CH B TEMP OUT CH B TEMP GND CH B

1 2 3 J4 24-165 TO MODULE CH A 1 2 3 J3 24-165 TO MODULE CH B

+27V CLIP CH B SIGNAL CH B ACTIVE CH B GROUND

1 3 5 7 9 11 13 15 17 19

1 3 5 7 9

2 4 6 8 10

LED GROUND CLIP CH A SIGNAL CH A ACTIVE CH A INRUSH

U15/400/KTAK C12 1 2 3 4 J10 10-84-4040
D

C3 SEE CHART

C7 SEE CHART

J5 10-88-1101 TO DISPLAY PCB

+20.5V OTA CH A

BR1 SEE CHART

+22.4V C4 SEE CHART C8 SEE CHART R52 SEE CHART

1 R61 C18 2 100/25/ELRM 15 100K

OTA CH B

CA 6 100/25W CA 9 150/25W C16 1000/25/ELRZ

Z10 1N5338 +16.8V 5.1V -22.4V R53 2R2/1 Z9 1N5338 C15 -16.8V

1 2 3 4 J11 10-84-4040 C13 U15/400/KTAK

BR2 SEE CHART

C25 10/35/ELRM +27V R59 4K7 Q14 TIP120 D16 R60 R73 2.4K IC1A 1 LM358 R65 430K R63 10K C21 1U/50/ELRM R64 10K 1U/50/ELRM 1N4148 J7 26-48-1025 1 2 FAN CH B R58 10K 5 6 + IC2B 7 LM358 R66 430K C22 4K7 R74 2.4K J8 1 2 26-48-1025 FAN CH A

D

R51 C5 SEE CHART C9 SEE CHART SEE CHART

CA 6 100/25W CA 9 150/25W

-20.5V R54 2R2/1 13 D15 1N4148 8

Q13 TIP120

C6 SEE CHART

C10 SEE CHART C14

1000/25/ELRZ Z12 1N5338 Z11 1N5338

470/50/ELRZ C11 F1 2 1 J14 26-48-1025 R49 1K BR3 RS202 Z19 10/35/ELRM 1N5255 28V C20 Q15 TIP120

470/50/ELRZ Z14 1N5338 Z13 1N5338

-15.5V R57 10K C17 100/25/ELRM Z16 1N5338 Z15 1N5338 5.1V

3 2

+ 4

3A/MINI

UNREGULATED 35V

SPKR. RAIL CH. B CLIP CH B CLIP CH A SIGNAL CH B R5 10K Q3 MPSA75 CLIP R9 10K R7 10K OTA CH B D3 D1 1N4148 1N4148 OTA CH B R13 10K -15.5V -15.5V Q7 R17 100K 2N5551 D5 1N4148 RLY OPEN MUTE R19 100K TR1 C29 U1/50/CZAM R21 5K0/5 MAC97A J1 2 1 26-48-1025 TRANS TEMP
B

CH B IN OUT B INRUSH

L1 3uH D14 R6 10K Q4 MPSA75 R67 1/10 R69 10/10 RL1 FRL-24 D11 1N4001 R12 100K C23 U047/630/KTRK D12 1N4001

SIGNAL CH A

C

C

R10 10K

CLIP Q2 2N5551 SIGNAL D4

Q1 2N5551 SIGNAL

R11 100K R8 10K Q5 2N5551 OTA CH A D2 1N4148 OTA CH A

1N4148 R14 10K SPKR. RAIL CH. B Q6 2N5551 L2 3uH

1N4001 CH A IN OUT A

-15.5V

-15.5V R68

R15 33K GROUND C1

Q8 R18 100K 2N5551 D6 1N4148 R20 100K

R16 33K GROUND TR2

1/10 R70 10/10 RL2 FRL-24 D13 R71 51/W5

C24 C2 U047/630/KTRK

C28 U1/50/CZAM

R22 5K0/5 MAC97A

RLY OPEN MUTE

470/6.3/ELRM

470/6.3/ELRM

1N4001

TRANSFORMER TEMP

R72 51/W5 R24 100K -20.5V TEMP PWR CH A -20.5V VERIFY D8 1N4148
B

R23 100K -20.5V VERIFY

D7 1N4148

-20.5V TEMP PWR CH B GROUND LED GROUND R25 4K7 TEMP GND CH B

GROUND TEMP GND CH A D17 1N4148 (REV 2 ONLY) R27 3K9 C27 100/25/ELRM R29 10K Z3 1N5242 R31 243 R26 4K7

GROUND

CHART OF VALUES
R30 10K C26 100/25/ELRM Z4 1N5242 R32 243

D18 1N4148 (REV 2 ONLY)

R28 3K9

REF DES
R51,R52 BR1,BR2

CA-6
100/25W MB352W 55--31 17000/55V

CA-9
150/25W MP14020W

CA-12
175/25W ED2478

TEMP OUT CH B

TEMP SENSOR OUT D9 2N5551 Z5 Q9 R33 47K 1N4001 7 IC1B LM358 5 1N4148 Z7 1N821 (6.2V) + D19 6

TEMP OUT CH A

TEMP SENSOR OUT 4 D10 2 -

BR1,BR2 C3,C4,C5,C6 C7,C8,C9,C10 3 1N4148 Z8 1N821 (6.2V)

10000/67V 10000/67V

15000/70V 15000/70V

D20 2N5551 Z6 Q10 R34 47K 1N4001 1 IC2A LM358 TEMP/DC 8

TEMP/DC

1N4713 30V +20.5V +20.5V VERIFY

1N4713 30V R37 1M R39 1K82 ACTIVE CH A MPSA75 Z1 1N4749A R44 1K82 +20.5V +20.5V VERIFY

R38 1M

ACTIVE CH B MPSA75 Q11 ACTIVE

R43 1K82

Z2 1N4749A R47 2K2 +27V Q12 ACTIVE R46 191 (24V) (REV 3 ONLY) R48 2K2

R45 191

(24V) (REV 3 ONLY)

A

+27V

REV REV REV REV REV REV REV REV

NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE

2/14/94 2/24/94 2/24/94 2/24/94 2/24/94 2/24/94 2/24/94 2/28/94

CHANGED C21, C22 TO 10/50V CHANGE Z17,Z18 FROM 1N5230 TO 1N5927 CHANGE C21,C22 FROM 10/50V TO 0.1/50V CHANGE R65,R66 FROM 390K TO 430K CHANGE R35,R36 FROM 100R TO D19,D20 1N4001 CHANGE 1C1,1C2 FROM LM393 TO LM358 DELETED R73, R74 REV 3 ONLY DELETE D17, D18 AND ADD Z1,Z2

REV NOTE 3/28/94 CHANGED C21,C22 TO 1UF/50V REV NOTE 3/28/94 CHANGED Z17,Z18 TO R73,R74 2.4K REV NOTE 6/8/94 CHANGED C21, C22 FROM 1UF/50V TO 0.47UF/100V CREST AUDIO 100 EISENHOWER DRIVE PARAMUS, NJ 07652 Title CA SERIES POWER SUPPLY Size C Date: Document Number 21C1895 Wednesday, May 17, 2000 Sheet
1

8

7

6

5

4

+

R40 1K82

NOT USED REF DES: R1,R2,R3,R4,R35,R36,R41,R42,R50,R62 Z17,Z18 Z1,Z2 J9

LAST REF DES USED: C30,D20,J14,Q15,R74,Z19

A

Rev XX 0 of 0

3

2

8

7

6

5

4

3

2

1

SERVO SEND CH A +HI RL 1 2 3 J7A 22-29-2031 1 2 3 J7B 22-29-2031 TO DISPLAY PCB
D

VR SEND B VR GND VR RET B

-15.5V STEREO/BRIDGE +15.5V IC103C LM339D 14

R139 825K/1% R130 33.2K/.1%.5W R132

C112

3 2 1

J9

R138 10K

8 9

22-29-2031

R2 33.2K/.1%.5W 10K/1% 6 5 +15.5V +15.5V R129 R1 10K/1% C2 5 C8 D4 1N4148 33pF/50V R9 NOTE 1 3 7 R11 100K 2 C10 0.1/25V C12 R21 10K R23 8 IC1A OPA2604AU 1 R19 4 220K D15 1N4148 C1 -20.5V D117 BALANCED INPUT/GAIN CH A -20.5V 0.1/25V SERVO/HIGH PASS R155 1N4148 2.7K C14 2.2/5%/63V IC3A OPA2604AU D16 1N4148 2 3 -15.5V +20.5V 8 ATT. VOLTAGE 4 R120 576/1% R140 825K/1% 2 IC103A LM339D D121 1N4148 IC103B LM339D 1 7 + R142 2K21/.1% D123 1N4148 R126 NOTE 1 R133 6 R131 33.2K/.1%.5W R128 + ATTENUATOR DRIVER 4 CURRENT LIMITER 1 10K D116 1N4148 33.2K/.1%.5W R163 8.25K/1% R164 8.25K/1% R144 NOTE 1 R161 68.1/1% 3 TO MODULE A R157 3.9K 68.1/1% D122 1N4148 7 IC3B OPA2604AU +20.5V RETURN FROM VR OUTPUT TO VR R13 220K + R141 2K21/.1% R125 NOTE 1 R143 NOTE 1 C114

+ 12

470pF/50V

2.2/5%/63V

- SIG IN 2

R3 10K/1%

+ -

3 J1 NC3FD 1 + SIG IN

R5 10K/1% R7 NOTE 1

D2 1N4148

D6 1N4148

6

-

5 + IC1B OPA2604AU C5 33pF/50V D8 1N4148

J3 PHONEJACK STEREO R35 1K/1% +15.5V R38 576/1% R36 1K/1%

OTA CH B +15.5V R33 1K/1% R37 576/1% C19 0.22/16V OTA CH B

NOTE 1: REF DES
R7,R8,R9,R10
C

CHART OF VALUES CA-6
34K/1% 43K/3W

C16 0.1/25V

CA-9
43.2K/1% R27 10K R29 2.7K 1 2 3 4 5 6 7 8 D19 IC4 NE5517AD R30 2.7K 16 15 14 13 12 11 10 9 D20 OTA CH A 1N4148 R34 1K/1% R32 47K C18 R31 10K C20 0.22/16V 13 OTA CH A IC103D LM339D + 11 10 56K/3W

R149,R249 +15.5V GND -15.5V -20.5V OTA CH B R143,R144,R243,R244

2K32/0.1%

2K29/0.1%

R125,R126,R225,R226

1M1/1%

NOT USED

+20.5V OTA CH A 2 4 6 8 10 12 14 16 18 20 J8 CA-20H-2B-S TO PWR SUPPLY OTA CH A C17

1N4148 R28 47K

1 3 5 7 9 11 13 15 17 19

+20.5V

10/50V Z1 GND -20.5V +15.5V -15.5V OTA CH B MLL4732 22/35V ATTENUATOR 22/35V C21 C15 0.1/25V C22 -15.5V

10/50V Z2

MLL4732 ATT. VOLTAGE -15.5V R239 825K/1% R230 33.2K/.1%.5W R232 33.2K/.1%.5W C214 Q211 MMBT5551 0.1/200V R259 576/1% +HI RL

OUTPUT TO VR RETURN FROM VR

R14 220K

+20.5V C3 0.1/25V C11

R220 576/1% R22 10K C13 R24 2.7K

TO MODULE B 8 9 14 IC203C LM339D -

+18V CH B C7 D3 1N4148 - SIG IN R4 10K/1% R6 10K/1% 4 R8 NOTE 1 C6 33pF/50V D7 1N4148 2 D1 1N4148 D5 1N4148

2.2/5%/63V 33pF/50V R10 NOTE 1 2 3 8 C9 R20 220K 5 +

470pF/50V 1 7

2.2/5%/63V 6 7 +20.5V R229 3.9K 3 1 5 4 + 12 +15.5V D222 1N4148

R241 2K21/.1% +15.5V

+

+ SIG IN 3 J2 NC3FD

IC2A OPA2604AU

R12 100K

6 IC2B OPA2604AU

1

B

D18 1N4148 D17 1N4148

5 + IC5B OPA2604AU 2 3

R240 825K/1% R242 2K21/.1% D223 1N4148 R226 NOTE 1 R233 R244 NOTE 1 R261 68.1/1%

8

IC5A OPA2604AU

+ 4

2 IC203A LM339D +15.5V

J4 C4 0.1/25V -20.5V

-20.5V SERVO SEND CH B

R228 10K

ATTENUATOR DRIVER CURRENT LIMITER

A

8

7

6

5

4

+

BALANCED INPUT/GAIN CH B

SERVO/HIGH PASS

-

PHONEJACK STEREO

-15.5V

R238 10K

IC203B LM339D 1

+ +

VR RET A VR GND VR SEND A

-

0.1/200V

R159 576/1% Q111 MMBT5551

0.1/50V 2SC3645 Q106 Q108A MMPQ6700

Q109 2SC3645

D

MMPQ6700 Q108B R167 68.1/1% R171 68.1/1% J101 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 09-52-3152 +36V +HI RL +VA-B +IGM +CLIP +VA-C GND GND FB FB -CLIP -IGM -VA-B -HI RL -36V

R178

C116

2.7K 33pF/500V

R179 11K/1%/1W

R180 576/1%

68.1/1% MMBT5401 Q105

C110

0.001/50V

R172 68.1/1%

R149 NOTE 1

R162 68.1/1%

R168 68.1/1%

R151 1M

R153 100K D114 1N4148 D115 1N4148

R158 68.1/1%

Q108C MMPQ6700

MMPQ6700 Q108D

2SA1415 Q107

Q110 2SA1415

C

R152 100K

R154 1M

C115

Q112 MMBT5401

-15.5V MMBT5551 Q104

0.1/50V R160 576/1% C113

R156 68.1/1%

0.1/200V

-HI RL

CLIP DETECTOR

CH A DRIVER

C212

R225 NOTE 1 D222 1N4148 R243 NOTE 1

0.1/50V 2SC3645 Q206 R257 68.1/1% Q208A MMPQ6700

Q209 2SC3645

MMPQ6700 Q208B R267 68.1/1% R271 68.1/1% J201 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 09-52-3152 +36V +HI RL +VA-B +IGM +CLIP +VA-C GND GND FB FB -CLIP -IGM -VA-B -HI RL -36V
B

6 7 R231 33.2K/.1%.5W

33.2K/.1%.5W R263 8.25K/1% R264 8.25K/1% R278 2.7K

C216

33pF/500V R279 11K/1%/1W

D216 1N4148

D217 1N4148 R255 68.1/1% +15.5V MMBT5401 Q205 R253 100K R258 D214 13 IC203D LM339D R252 100K R254 1M C215 -15.5V 0.1/50V MMBT5551 Q204 C213 R256 68.1/1% 0.1/200V -HI RL R260 576/1% + 11 10 1N4148 D215 1N4148 2SA1415 Q207 68.1/1% Q208C MMPQ6700 MMPQ6700 Q208D Q210 2SA1415 R262 68.1/1% C210 0.001/50V R272 68.1/1% R268 68.1/1%

R280 576/1%

R249 NOTE 1 NOISY &

R251 1M

HIGH VOLTAGE TRACE

Q212 MMBT5401

A

CLIP DETECTOR

CH B DRIVER

CREST AUDIO 100 EISENHOWER DRIVE PARAMUS, NJ 07652 Title CA6, CA9 SERIES PREAMP Size D Date:
3 2

Document Number PREAMP.CA Wednesday, May 17, 2000
1

Rev 02 Sheet 0 of 0

8

7

6

5

4

3

2

1

HIRAIL+ C12 U15/400/KTAK

C3 UNIVERSAL

C7 UNIVERSAL LORAIL+

+20.5V

BR2 MPIL40

BR1 MPIL40 C4 UNIVERSAL C8 UNIVERSAL R52 1K/3W C16 470/50/ELRZ R51

+20.5V

+27V CLIP CH B SIGNAL CH B ACTIVE CH B GROUND

1 3 5 7 9

2 4 6 8 10

LED GROUND CLIP CH A SIGNAL CH A ACTIVE CH A INRUSH

Z10 1N5932A

D

J5 10-88-1101 TO DISPLAY PCB

D

1 2 3 4 5 6 J1 10-84-4061 ARRANGE PINS IN ANY ORDER FOR PCB

C5 UNIVERSAL

C9 UNIVERSAL

-20.5V J8 Z9 1N5932A C15 470/50/ELRZ +27V 8 C14 3 R73 2.4K IC2A 1 LM358 R65 430K -20.5V R59 4K7 Q14 TIP120 1 2 26-48-1025 FAN CH A

1K/3W LORAILQ13 TIP120

C6 UNIVERSAL

C10 UNIVERSAL HIRAIL-

R60 4K7 J7 26-48-1025 1 2 FAN CH B 5 6 + IC2B 7 LM358 R66 430K C21 1U/50/ELRM R64 10K 1U/50/ELRM C22 R74 2.4K

470/50/ELRZ 470/50/ELRZ C11 F1 2 1 J14 26-48-1025 R49 1K Z19 10/35/ELRM 3A/MINI BR3 RS202 1N5255 28V UNREGULATED 35V C20 R63 10K Q15 TIP120 2

+ 4

SPKR. RAIL CH. B R5 1K CLIP_B CLIP LED ACTIVATE R11 10K CLIP CLIP CH B
C

CH B IN OUT B INRUSH

Q3 MPSA75 CLIP_A CLIP LED ACTIVATE

R5 1K R11 10K CLIP CLIP CH A Q3 MPSA75

L1 3uH D14 R67 1/10 R69 10/10 RL1 FRL-24 D11 1N4001 1N4001

C

SIGNAL CH B SIGNAL CH A R9 10K D3 +27V Q1 2N5551 SIGNAL U047/630/KTRK R9 10K D3 1N4148 1N4148 GROUND R17 10K R7 ATT_B 33K EXCESSIVE IGM SHUTOFF 11 12 GROUND R68 1/10 Q1 2N5551 SIGNAL

C23

D12

SPKR. RAIL CH. B L2 3uH

1N4001 CH A IN OUT A

R15 33K 10 + IC1C LM613 R21 TR1 C1 ATT_A EXCESSIVE IGM SHUTOFA R? 33K 5K0/5 D7 MAC97A 1N4148 470/6.3/ELRM 15 14

R15 33K

R70 10/10

RL2 FRL-24 D13

C24 U047/630/KTRK C1

J1
B

D7 2 1 TRANSFORMER TEMP TRANSFORMER TEMP 1N4148 GROUND 13 8 GROUND MAC97A
B

26-48-1025 TRANS TEMP GROUND LED GROUND TEMP_GND_B TEMP_OUT_B TEMP_PWR_B MPSA13 R? Q? 475 TEMP/DC 7 5 1N4148 1N4148 IC1B LM613 R37 AUTORAMP_B 1M ACTIVE CH B MPSA75 R25 4K7 Q11 ACTIVE R43 10K R33 100K R25 4K7 R45 1K R? 15 R47 2K2 1K82 R37 ACTIVE CH A MPSA75 Q11 ACTIVE R43 6K8 R33 100K 1M R39 AUTORAMP_A R39 1K82 + Q? D19 6 D9 TEMP_PWR_A MPSA13 R? 475 D19 1N4148 TEMP/DC 1 3 1N4148 IC1A LM613 + TEMP SENSOR OUT C27 100/25/ELRM R29 100K R31 243 IC1E LM614 9

LED GROUND TEMP_GND_A TEMP_OUT_A TEMP SENSOR OUT C27 100/25/ELRM R29 100K R31 243

13

R45 1K R? 15
A

A

+27V

4

8

7

6

5

4

-

+ IC1D LM613

R19 10K

16

R21 5K0/5

1N4001

470/6.3/ELRM

TR1

CHART OF VALUES REF DES
R51,R52 BR1,BR2 BR1,BR2 C3,C4,C5,C6 D9 2 C7,C8,C9,C10

CA-2

CA-4

CA-6

CREST AUDIO 100 EISENHOWER DRIVE PARAMUS, NJ 07652 Title CA SERIES POWER SUPPLY Size C Date:
3 2

Document Number 21C1895 Wednesday, May 17, 2000 Sheet
1

Rev XX 0 of 0