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-15VDC thru 0.22µF/63v C5
EFFECTS
S3.A S3.B
25V FET R88 6.8K + Q19 C67 R95 10K R77 C38 15K C30 22µF D505 + H1A.3 H1A.2 R1 365K C50 1µF Q18 + 1K n/u R89 10K R90 150K C58 22µF R126 22K* C52 R106 1µF Q12 C12 ++ R127 22K* R131 150K C68 .022µF R14 365K R97 + C53 1µF 15K* C49 R124 6.8K* R31 1M
H6.A H6.B
INPUT
H5.B H5.C J11 R109 10K C47 22µF D4 +
input
H5.A
+15VDC 4 5
10K R91 R94
10K
R8
H6.D + R121 365K C51 n/u 25V FET R27 2.2K* R28 1M AGND 22µF
1K
1µF
C54
R123 1K R122 DRIVE cw P12 B100K
R5 Q13 R132 1µF 39pF* R116 6.8K +15VDC C16 + 15K* R10 10K 100K R99 R25 100K D.I.PRE R6 470K* C3 22K*
thru 0.22µF/63v C1
1M
R3 10K D1 YEL
+15VDC
R72 6.8K
D2
INPUT CLIP
RED R24 470
passive/active
R68 R38 S1.A S1.B 4.7K* 470K R40 MASTER C39a C33a C20a R52 10K C26 22µF R58 10K Q17 Q16 Q10 R26 22K 10K 39pF C36
AGND 100 R67 10K R80 39pF C29 R71 10K 10K
H11B.I BAL GND
10K
H11A.I
R136 C25
39pF
1
A5.A
+
R12
10K
0.001µF C39 R75 4.7K cw P18 B50K 560pF C35a R87 4.7K C38a R60 4.7K
0.0022µF C33 R74 cw P17 B50K 0.0022µF C31a 0.047µF R86 4.7K R61 4.7K cw P14 B50K C23a R64 C23 1M R18 47K C31 R65 4.7K C32 C32a 4.7K R62 2.2K R41 3.3K
.01µF C20 R43 cw B50K P16 3.3K C63a R42 10K C63 thru C22a C19 22µF R33 4.7K cw B50K P13 C24a C24 R46 47K 1M R19 C22 0.1µF
R53 33K
R57 33K
+
.047µF
R55 47K D33
R117 1M
C27 C28 .01
R118 1M
R56 47K
MID 0 . 0 0 4 7 µ F
47K R9 1M C6 .01 5
A5.B
+
7 +15VDC H11A.C H11B.C +15REAR
R114 C55 39pF C34 + 22µF 100K R21 3 2 C17 22µF
D.I. PRE-POST
100K
TREBLE
HI MID
EFF -
EFF +
0.022µF R76 4.7K C35 cw B50K P15 C18a
R83 47K
A2.A 1 + +
R47 MUTE4.7K
P11 B50K
cw
MASTER VOLUME
C43 39pF 2 3
LOW MID
0.0022µF
C15 39pF
BASS
0.01µF
C37 39pF
SUB BASS
C40 39pF 1M R20 2
R79 C18 47K
R152 4.7 +15VDC +15VDC H10.A H10.B GND -15VDC H10.C H10.D -15VDC AGND R153 4.7
1M R115
5
A2.B 7 +
1M R119 6
A1.A
+
1
10K 6 5
H2A.F Clip 1 H2A.E
clip protect
10K
D11 Red
R108 C56
39pF
1M R15 6
0.047µF
R92
C46
5
A3.B 7 +
3
A3.A 1 +
25V FET + + + C57 22µF C59 22µF C61 22µF AGND
Changes from Assembly Rev(?). 1. xx. 4. ADDED AS SECONDARY OPERATION. 2. ALL CAPACITORS IN MICORFARADS, EXCEPT AS NOTED. 1. ALL RESISTORS IN OHMS NOTES: UNLESS OTHERWISE SPECIFIED. 12340 World Trade Drive San Diego, CA 92128 (858) 487-1600 FAX 487-6629
TOOLING HOLES STD7 R500 R504 D501 D502 C520 D503 D506 D504 SMB H7.A YEL H7.G YEL H7.D GRN H7.E GRN H7.F GRN H7.H YEL H7.B YEL H7.I RED H7.C RED R138 R102 R104 10K C100
+15VAMP 120pF 8 2
H2B.E R500 DIODE SMT 1A
68K C176 +15VAMP 100 R146 100 R222 120pF R142 100 smt 1/4w R105 R139 4.7K 1K 100 R223 Q107 1K smt 1/4w
R330
68K
Q122
Q124
Q222
Q207
Q109
Q123
Q106
C93
120pF
R189
R188
R190
R250
R261
R288
DATE:
GEORGE DREYER
APPROVED: DATE:
19DEC01
1000µF/25V Z500 Z501 Z502
10KµF 100V 10KµF 63V C508T C508B + +
10KµF 100V 10KµF 63V C509B C509T H2B.F 2.2K R100 + + R199 150k
R133 2.2K R134 68K
5 6
TIP31
+
A17.B
7
R137 1K
R290
R179
100K
R163
R183
R185
R283
R285
Q4
PCB NO: ASSY. NO:
R263
30-41500 80-40500 80-41500 E. PETERSEN
REV:
C177 120pF R135 100 D106 1N914 D107 1N914
C 001 05DEC03
.1 C522 + C521
P101 R144 1K Q103 350 R145 1K
TIP31
REV: 001
R151 5 5W
R155 .33 5W
R251
R502T R502B 47K 1W
R501B R501T 47K 1W E1
1000µF/25V H1A.4 E6 GND H1A.1
REVISED BY:
DATE:
Q117
Q119
Q211
Q217
D104 R424 100 OP4.A D102 R141 4.7K
Q111 100 R149 100 R224 100 R225
Q213
D100 Q9 5550 R2 R4 10K 10K D101 +
Q219
CHANGES FOR LR400 ASSEMBLY: 8-00400 1. Add Q11x0, Q2x10 (Type: MJL 21194). 2. Add Q114, Qx4 ( Type: MJL 21193).
R04 22 1W1% R03 22 1W1% R02 22 1W1% R01 22 1W1%
TO FRONT PCB
B1500: USE C508B, C508T, C509B, C509T, R501B,R501T,R502B,R502T B500: USE C511 , C512 ( R501B, R501T, R502B, R502T -REMOVED)
TR3 TR2 TR1
+
T
R44 250VAC
T
T
+15REAR .047 C9
AC Line in from switch H4.A H2B.A AC Line out to switch
F1
+15VAMP +15VAMP R210 150
+15VAMP + H2B.B H2B.C H2B.D -15VAMP + + C11 .1µF V+ C70 1µF C270 .1µF C64 1µF Q3 TIP31C NPN Flat B500 USES THE FOLLOWING DEVICES: 21194- Q107, Q109, Q209, Q222 21193- Q111, Q113, Q211, Q213 R150, R151 (5 ) R161, R163, R251, R261, R263, R288 (0.33 ) -24V FAN GND V+
5550 THERMAL DIODE
H4.B
R314 15k
8
5550 R317 22K 1K R318 -24V R335 22 5W Vert. Q2 MJD340 Q301 C13 .1µF
7912 -12V Q7 C2 .1µF
PL1
+15REAR QC1 L100 1.5µH
1+ 12+ 212+
J7
1+
J5 Q11
2-
C21 .047 250VAC 470K smt 1/4w R17
Earth to chassis E2
L E N QC8
H1B.1 H1B.2 H1B.3 H1B.4
-15VAMP
R211 470
R315 0
D311 +15VAMP A20.A 1 + -15VAMP smt 1N914 3
4
2
FAN GND
FAN GND
FAN GND FAN GND
SPK1 SPK1
J8
SPK1
SPK1
J13 K1 500 ms delay -15REAR
220µF 50V
J9
J12
+
C4
SPKR GND
500 ms delay
H4.C AC Neutral to transformer H4.D AC Line to transformer
R333AR333B
D29
22uF C106
H1.A H1.B
1N914
+
+
C512 7815 VR1 MMBT5550 NPN Q500
C518
C511
C519
R150 5 5W
R161
DRAWN BY:
+ C69
+
+
+
+
+
B1500 System Master
H2B.G R101 10K H2B.H BR1 R107 10K R501
Q209
Q224
CARVIN
STD8
3
A17.A 1 + 4565
4 -15VAMP
1000µF 35V 1K C504 1000 .1µ 35V 7915 C503 1000 35V
Q102 340 R140 470 + R143 R147 680 1K R148 150
R103 10k
D103
-15VAMP
C101 22
+
R93 1K + 22µF C45
+
+
1µF H6.C
a gnd
EFF POWER
EFF D5 R110 10K
2 A8.A +
R96 10K
H11A.F H11A.E
H11B.F H11B.E
FOOT SW
J70
H5.D R23 1M
GRN -15VDC C48 22µF
EFF +
MUTE-
6 7 10 11 8 9
R125 10K*
1 A8.B +
R112 47K
MUTE
SPKR GND S2.A S2.B
-15VDC R113 10K
MUTE D6
RED
R111 10K
13 A8.C
+
MUTE REAR
14 A8.D+
10K R39 C65 H11A.J SEND R7 H11B.J 10K BAL GND R66 R49 10K 3 2 39pF
R54 470 TUNER J73
A7.A
+
1
R51 R13 C60 39pF
8
EFF SEND
J71
10K 10K R50
470
2 3
H11A.H H11A.G RETURN
H11B.H R70 H11B.G 100 GND R
Q5
C62 + 22µF
EFF RETURN
J72
+15REAR 7
A7.B
+ 5 4
6
R120 33K
R1108 R1111
-15REAR
GND R
GND R
-15REAR
10K
47K
R1109
Q8 D.I.PRE R11 MUTE-
R81 100K C41 6
39pF
+
H11A.D H11B.D
R32 10K
R1110 1M
C42 0.1µ
Q6 10K
MUTE REAR
DIRECT LEVEL
P1 cw B50K C14
DIRECT
J75 R22 470 C7 + 22µF R36 100K SPKR GND R84 10K 100 R35 .001µF C8 R34 39pF 470 C66+ 22µF R37 100K SPKR GND
2 3 1
-15VDC H11A.B H11A.A AGND
H11B.B -15REAR H11B.A S4.A
S5.A
S5.B
GND LIFT
GND R R82 H2A.H AMP2 AMP2 + BAL GND 10K H2A.G S4.B
39pF 6 5
A4.B 7 +
120pF
+15VDC
R98
+
C44 R85
8
10K 7 D3 Protect Yel R130 4.7K
A1.B
10K
2
A4.A
3 + 4
+15REAR 1
-15VDC
H2A.D H2A.C H2A.B
-15VDC GND GND +15VDC
SPKR GND
-15REAR
+15VDC
H2A.A
-24V R197 5 5W Vert. +15VAMP H9.2 H9.1 V+ C121 .047µF R209 3.3K
8 6
+15VAMP
K100 QC1B
D16
RELAY+
+
D17
XJW21194 NPN
R324 Q303 10K 2N5400 FAN GND + C313 22
Q104 MJE15033
D108 UF5404 400V 3A
CLEAN-1 R325 1K
Q302
C318 22 555
5
A18.B 7 + -15VAMP
C182
680
+
R327 4 22K +15VAMP R323 27K
.047µF
OUTPUT1 C180
C186 22
C507 1000 35V
short circuit protection R320 D111 CURLIM 1N914 R319 33K
VR2
CURLIM R177 5.6K R176 22K D109 R178 100K Q127 5401 C181 .01 +15VAMP VR329 R312 3.3K 1.5K +15VAMP
D312 1N914 1
A18.A
+
2
C506 H13a.D -15v
3 R322 470K
R321 5.6K
10K C317 .01µ
C505 .1µ H13a.C GND H13a.A +15v H13a.B 25V fet
-15VAMP
Q112 Q113 Q105 MJE15032
DC protection R311 68K 6 5
D310 R232 OUTPUT1 R331 100K C10 .1µF
D25 220K R227 R226
3.3K R59
C184
MJL21193
680
A20.B 7 +
150K smt 1/4w
THERMAL DIODE
thermal protection
D26 220K R228
Q14 Q15 47 2N5400
220K
R16
R333 22 1W 1W 22 R332
Q1