1
2
3
4
Combo 100p
CN9 IC2_1 1 C3 LEVEL2
4
R4
1 3
22K
47n D1
1M
R17
TL072
8.2K
2 P1 -V1
1
22K
1M 9.1V 1/4W
1
4.7K
0.1u
R8
8
R16
100p
R9
CN3 6
C14
C15
C12 1u
1 2 3 4
C
0,47u IC1B
22K
47K
7
R6
LEVEL1
R18 3.3K
5
IC3_1 -V1
0.33u
22K C7
C9
10u
0.1u R19
TL072
R7
R23 22K
D12 12V
V1
22K
IN-EQL
TL082 R21A
TL072
6
0,47u
8
CN2
5
IN-EQL
100
C13
R14
7
1
9.1V 1/4W
IC2B
3
R5
R15
1
R20A 10k
2
D2
2 3
IC2A
IC1_7
V1 C11 1u
IC3A
IC2_7 1
3 47K LOG
V1
CN10
R21B D13 12V
2 1
22K
C
SEND-EFF
3.3K
15K
Combo
C59
R22
TUNER
R27 10K
1
470
C1
2.2u C8
C5
47K
Sub
4
1
IC1A 2
33K
0.47u
R20B
8
100p
C6 Input
D
R13
Send_Eff
22K
1u R10 4.7K
1
-V1
R12
RETURN
47p
1
33K
LEVEL3 C4 C10
4
1
1 2
D
1
IC1_1
R3
Return
1 2
18K
R1
6
C2
R2
CN1
5
Tuner CN4 1 2 3 4 5 6 7 8
V+15 S-MIX(+)
C16 220p
SEND-EFF R11 RETURN
R32 1.5K
3.9K Mix(+)
S-MIX(+)
D4
R28 10K
SEND-EFF
T1_b
LEVEL1 D5
D9
R25
LEVEL3
S-MIX(+)
31
R21 1M
TL072
R24 22K
D10 LED
D3 LEVEL2
T1 BC846
1
22K
D6
6.2V 1/4W C17
OUT-POST S-MIX(-)
R29 0.1u 10K
D7 LEVEL4 D8
IN-EQL C58 1u
IN-DIRECT OUT-POST
OUT-POST
R26 1M
R33 2.2K
LEVEL5
S-MIX(-)
A
Mix(-)
3 2 1
A
TUNER RETURN
C52 1u
1.8K
CN5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
R31
2
7 5
1
6
22K
2
IC3B
R30
IN-DIRECT
B
1
CON8
1
B
S-MIX(-)
Title Little CN6
Size: B
Marl II Number:
Date: 20-Oct-2005 File: Sheet1.Sch 1
2
3
4
Time: 17:58:14 5
Revision: Sheet1
of 2
Parsek s.r.l. via Aterno, 30 66020 S.Giovanni Teatino Chieti ITALY 6
2
3
1
P3 POT1-S
3
P4 POT1-S
3
33p
47p
R35
D C18
R47
IC5_1
33n
33n R38
2.2k
D
2.2K
47K
LEVEL3 -V1
6.8n
IC5_7
TL072
2 1 1uF
TL072
3
8
R39
15k
V1 LEVEL4
R41 C22V1 33p
C25
C26 3
C48 3.3n
C49 15n
R58 15K
C50 470p
C51 2.2n
6 TL072
R40 47K
P6 POT1-S
6
47K
1
6.8n
10n C52A
P7B
4
R54 47k
2
5
47K
2
15K
R52 330
TL072
IC4_7
8
IC4_1
7 C29 10n
P7A
R49
R57
5
330
3
5
47K
R53
IC5A
C60 7
IC5B
1
3
47K
6
R36
1
1
IN-EQL
IC4B
2
R50 220
4
IC4A R34
LEVEL5
47K
4
47n
C28
R46
R37 C24
47K -V1
6
1
2
C27
2
C20
2
C19
5
1
P2 POT1-S
4
1
1
3
1
1
10n C52B R73 100
6.8n
C
C C61 10u
1
IC6_1
C62
100
0.1uF
R55
V1 C37
C38
C39
0.1u
0.1u
0.1u
0.1u
0.1u
0.1u
C40
C42
C43
C44
C45
C46
R59
C23 33p
100u 0.1u
R56
0.1u
0.1u
0.1u
0.1u
2
R62 27K
68K
22K
0.1u
-V1
IC6_7
R42
R45
47K
100
C54
IC6A
Out
2 1
4.7n R67
3
CN7 1 2 3 4
P8 Warm
2
15K
TL072
C53 22n
1
4.7
R63 27K 3
C36
68K
33p
4
C35
R61
8
C31
C34
R60 -V1
1
C30
C21
P5 POT1-S
1
4.7
100u
V-15
R44
1
V+15
OUT-POST
1
1
OUT-POST
3
+V1
V1 IC6B
-V1
B
R68 15K
6
B
7 5 CN8
D11 LED
V-15
R72 120
R71 1M
1
3
T3
-V1
C55 4.7n
+
A
C47 0.1u
R69 1M
V-15
C57
2.2u
R70 1M
T2_Vg
5
R48
4
2.2k
IC7
TP3 GND
TP4 GND
TP5 GND
TP6 GND
TP7 GND
A
2 H1AA1
Title Little
B
Mark II Number:
Date: 20-Oct-2005 File: Sheet2.Sch 2
TP2 GND
1
Size:
1
TP1 GND
1
C33
TPX GND
GND_SUPP
R51 220 100uF 35V
C56
1
3 1
C41 0.1u
J112 2
R66 100K
1
C32 100uF 35V
J112 2
1.5K
1 2 3 4 5 6 7 8 9 10
V+15
1
R64
V+15
1
V+22
1
R65 1K
1
2
1
TL072
1
1
T2
3
4
Time: 17:58:01 5
Revision: Sheet2
of 2
Parsek s.r.l. via Aterno, 30 66020 S.Giovanni Teatino Chieti ITALY 6
5
6
7
8
+12PROT
1
1N4148
+
8 4
0.1uF/63V IC2A
NE5532
1N4148 C24
NE5532 C18
4
100
R52 4.7K
1 2
0.1uF/63V
R51
10nF/63V
D2 C14 1n/63V
1N4148
C26
14
D16 R62
1
2.2K
100uF
100K
1 2 1
1N4148
R53 1.2K
BZV55C5V1 D10
TI1 IRFP240
2 1
D7 1N4007
R87 1.2K
D22 1N4148
J1
R82
T7 MJE350
CON4
C76 0.1uF/63V
R57
Prot_I
T16 C42 BC846 100nF
1
10K
3 MJE340
C
R67
T17 BC846 (1a)
1
R27 0.33
10K
T25
1K
CON2
R58
4 3 2 1
10K t
R21
CN2
100uF/35V C31 +
D17 5.1V
MV-RT1
CN3
+80VDC
220 R12
D14
V-FAN
C30
+80Vamp R15 220
D -15V
2
T15 2N7002
R56 10K
C27 1uF/63V
715
C10 47n/250V +15V
5 9 1 13
NE556N
R64
C R9
OUT A OUT B DISC A DISC B
0.1uF/63V
R46
R42
CTLA CTLB RST A RST B THR A THR B TRIGA TRIGB
2
R49
+15V
-15V
R63 220K
1N4148
D13
+12PROT 1
1
180K
0.1uF/63V
IC3
C19 0.1uF/63V
V+ 150p
R8
0.1uF/63V
Sum R59
D12
3
R47
-15V R44
33uF C9
C21 3 11 4 10 2 12 6 8
+15V C17
C75 1n/63V
OUT
0.1uF/63V
7
10uF/35V
Vout
C20
6
C16
C13 1n/63V
T26 2N7002
1 R55 10K
6
1
2 NE5532
C28
2
C23
R45
1
I-I
R54 10K
D11
T14 J112
3
7
IC1A
BZV55C5V1 D9 IC2B NE5532 7
5
I. IC1B 5
3
R60
1
0.1uF/63V
1
VCC
1N4148
8
D
C22
GND
VC15
DIS
2.2K
3
R40
R75
R43
10uF/25V
Vout
R61
1
+12PROT
3
2
R41
C25
10nF/63V
D1 +15V
2
3
2 R70 10K
+12PROT
150 5W
2
TRIM2 2K
R50
R48
-15V
SourceH
3
OUT
SourceL
D15
1
4
2
3
3
2
2
1
MJE340
3 T2 1
1 T9
R19 680
12
3
2
2
TRIM1
D3 6.2V
220
1 +12V
3
+12PROT
C38 10uF/35V
2
BC846 1
D4 6.2V
R38 15
B
B
R35
100uF
C6 47nF/250V R20 680
T6MMBT5551 1
1
R65 68K
T19 2N7002
1 MJE350
220
1N4007
+18V 150 2W
T18 3
T21 BC856
3
1
2
3
T20 2N7002
1 2
2
T8
0.33 R31 TI5 IRFP9240
R25
2 2
47pF
C5 3
1
R68 1M
T11 3
C32
BD681
3 T13 MMBT5551
1
100uF/35V
Prot_I
0.33 R30 TI4 IRFP9240
220
R39
Speaker Out1
R66
D18
SourceL
D6 6.2V R24
MMBT5401
5
1
3
R18 732
2 1
+12PROT
R14 4.7K
2
C8
4
D5 6.2V
2
3
T3
T4
3
1
MMBT5401
2
0.1u
CN1 3
RL_OUT_1
2
100uF C7B
R7
1
R36 4.7
R33
C7A R6
OUT
47K
R34
2
3
180pF C2
RL1
2
1uF
+
C1
DIS
Vin
C37 0.1uF/63V
SourceH
1uF
R5
1
2
R4
+15V
R29 0.33
C4 R1 1M R2 1K
RG4 LM7812CT
TI3 IRFP240
R23
3
T5
3
T1 1
12VP
CON4
MMBT5401
R3 47K
4 3 2 1
I-I Prot_I
R28 0.33
1
R17 8.2K
220
CN-Test
2
3
3
T12 MMBT5401
1
IRFP240 TI2
R22
T10 2
R37
MMBT5551
3
INPUT
MMBT5551
47pF
GND
2
2
3 C3
MJE340
R11 -15V
C11 33uF
1
A R16 220
C12 47n/250V
2
R26
0.33
220
TI6 IRFP9240
R32
1uF/63V D8 CN4 1N4007 1 2
R10
C29
1
R13
A
3
Parsek s.r.l. via Aterno, 30 66020 S. Giovanni Teatino Size: A3 Number: Revision: Chieti Date: 13-Sep-2006 Time: 21:12:49 Sheet 1 of 2 Italy File: F:\PRSK\EraSWITCHING\Ampli Lineare\Edizione_07_05\Schemi per assist_Ampli_DA500_07_05.DDB - Ampli.Sch Title Ampli
-80Vamp
-80VDC
4
5
6
Lineare e Protezioni - DA500
7
8
1
2
3
4
5
6
7
8
47nF/275Vac_X2 1uF/275Vac_X2 4.7nF/Y1_X2
t
MV-RT2
BR1
4
L1
C35
MV-VR1 275L40 2
C34
D 1
Vdc
C36
3
R71 330K
Rete
12
C33
2 1
34
CN5
1
D
2
R69 330K
4
3.3mH/6A 2.5Ohm
C39 1000uF/200V
800V/5A 3
4.7nF/Y1_X2
2 1
C40 1000uF/200V
JP1 110/220
L3
R78 270K
C45
C47 1mF
C49 220uF
C46
C48 1mF
C50 220uF
D24 BYV32E
R79 470K
D26 BYV32E
C
7
J3
C68 1uF/250V
D31 BYV27-200
1 J7
1uF/63V
J6
J9
D23 200V/1W
1
J8
IRFP27N60K
R74 18K
R77 10
D37 3
C57
3
+ C64 2200uF 35V
B
3
-15V +18V
1
1
L6
+18V C41
+
10uF/25V
-15V
Vin
+15V
D20
2
+ C63 100uF/25V
Vin
D30
L8
1
10nF/63V C67 D34
22uH 35V BYV27-200 + C66 100uF
C60
BYV27-200 D39 BYV27-200
22uH 22uF/350V
22uF/350V
C73
C74
330K
100uF/25V
D21
C70
47
LL4148
1 2 3 4 5 6 7 8 9 10
-15V
A
Parsek s.r.l. via Aterno, 30 66020 S. Giovanni Teatino Size: A3 Number: Revision: Chieti Date: 13-Sep-2006 Time: 21:12:50 Sheet 2 of 2 Italy File: F:\PRSK\EraSWITCHING\Ampli Lineare\Edizione_07_05\Schemi per assist_Ampli_DA500_07_05.DDB - Supply.Sch Title Switching
+
2
1uF/63V
D40
R80
D35 ZENER3
SF22
INPUT
1
C52
CN7
+15V
R86B
ZENER3 C69 10uF/25V
D33
L9
A
2
V-FAN RG3
R73 2.2K
R86A
B
22uH
1uF/63V
330K
C72 330pF
R84 47K
L7
2
2
C59 100nF/63V
1
BYV27-200
GND
1
3
3 2 1
F2
F3 C56 1uF/63V LM7812CT
CN6
D32 BYV27-200
D29
-15V +12V
C58 1uF/63V
1
+ C65 2200uF
RG2 LM7915CT
-15V
22uH C55 1uF/63V
1
+ C62 100uF/25V
GND
C54 100nF/63V
D38 1N3212
LL4148 T24 2N7002
F1 J10
2
Rt
T23
1
22uH
3
1
Tr1
2
L5
1
1
Vin
D28 220V/1W
6
en L
1
+ C61 100uF/25V
RG1
2
C53 100nF/63V
+15V
GND
LM7815CT 3
Vb
H Driver IC5
5
TRANS5_1_1
1
1
8
Vs
+15V
+15V
VCC
R76
IRFP27N60K 10
1uF C51
COM
3
1
3
-80VDC
T22
D27 BYV32E
1
3uH
L4
D25 BYV32E
2
1mF
2
2
3 1
2
1 3
4
1mF
3
2
C
1
3uH
+80VDC
3
4
5
6
Power Supply - DA500
7
8