Hughes & Kettner GrandMeister 36 Head Service Documents page 25

1 2
10n/63V MC33078P(MOT)
INPUT
R5 C3
J1 T
TS
1K0
D1
SS +15V -15V
R10
S
1MEG
D
RM122-02
+
D2
-22V
R2
680R/1W R8
JP7 220R C8
R3
MTA100-02P 4u7/63V
2K2
C1
2
R30
1u/63V
1
47K
Q26 R24
4MEG7
FET-LE/UL
D8
1N4007G +390V +380V +370V
470R/5W R53
R51 4K7/2W
D10
R49
C31
C
150K/1W
1N4007G
R50
D9
150K/1W
+22V L7815CV
D11
U3
I
1N4007G
100n/63V-K
C51
C29
3300U/25V
2200u/25V 100n/63V-K
L7915CV
C30
C50
U4
1N4007G
D12
I O
220u/63V
D13
C43
1N4007G
220R/1W
C42 -22V
R83
D14
1N4007G
220u/63V
B
FASTON-4.8-ST
Mains Connector
Mains Transformer
JP15
240V = T800mAL/250V
No.: HU0211-TR-R01-xx
220-230V = T800mAL/250V
120V = T1,6AL/250V
FASTON-4.8-ST
100V = T2AL/250V
JP14
240VAC
or 120VAC
FASTON-4.8-ST
230VAC
JP13
or 100VAC
FASTON-4.8-ST
JP12
A
FASTON-4.8-ST 130°C
JP11
0VAC
N L2 L1
FASTON-4.8-ST
ErP-Modul
JP10
Only for
230VAC
All rights reserved. No part of this schematic may be reproduced, stored in a retrieval system, transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior permission of the author.
1 2
3
U1A
+15V TP1
TP-THT30
3
VCC
+ R135
1
2
- 47R
C4
10u/63V
VEE
D5
-15V
BZX55V_3V9
330p/100V-K
C11
D6
BZX55V_3V9
10K R13
BZX55V_3V9 BZX55V_3V9
D3 D4
R25
C9
FET-LE/UL
4MEG7
R55
470n/63V
3K3
D24
1N4148
R141
FET-CL/CR
2MEG2
D25
+350V +280V
R54 R99
1N4148
10K/1W 15K/1W TP7
HU0212-SP-R01_PowerAmp
HU0212-SP-R01_PowerAmp.Sch
+390V +390V
+15V
+380V +380V
O TP5
TP-THT30 +370V +370V
D26
C28 +22V +22V
1N4007G
100n/63V-K
-63V -63V
C33
100n/63V-K Standby
TP9
TP-THT30
-15V
FET-CL/CR
FET-LE/UL
TP-THT30
TP10
-63V
NA
R70
47K
NA
R90
220R/1W
FASTON-4.8-ST
MAINS
JP6
Mains Standby
Switch Switch
JP5
FASTON-4.8-ST
FASTON-4.8-ST
JP1
FASTON-4.8-ST FASTON-4.8-ST
JP2 JP16
3
4 5
+350V TP2
TP-THT30
5 MC33078P(MOT)
R38
+
7 U1B
100K/1W
6 C14
-
+350V
22n/400V
T1A
ECC83S-CZ-N-PCB 6N8/400V
C20
C7
R28
2
47K
22n/63V
R82
470K
C2
1u/63V
Q30
7
MMBF4416
R64 R6 R61
100K 1K0 2K7
R22
470K
+15V
U2A
C48 MC33078P(MOT)
3
VCC
100n/63V-K +
1
2
-
VEE 22u/63V
-15V
4K7
C60
R102
C17
Poweramp-IN
R98
Poweramp-IN
47K
47p/100V-K
+5V +5V R26
Q31
LED-T7 4MEG7
MMBF4416
LED-T6 R16 R73 24K
LED-T5 3K9 R79 3K3
C5
10n/63V
LED-T4 220R R145
36W-Mode
A-BIAS-Switch
Speaker-Signal
47K R36
100n/63V-K
R7
C10
MC33079N(ST) MC33079N(ST)
47K
U5B U5D
5 12
+ +
7 14
6 13
- -
R65 3K3
MC33079N(ST)
+15V
U5A
C23
100n/63V-K
3
VCC
+
1 10
U5C +
2 8
-
9
-
MC33079N(ST)
VEE
-15V
+5V
R12
Store
10K
SW4C
WPML2-N-B
150R R121
WPML2-N-B
SW4A
1
2 3
4
5 6
WPML2-N-B
SW4B
4 5
6 7
Clean Gain
R41
REL1B
4
220K
R9
3
1MEG
1MEG
R11
2
FRT5-1-24V
C22
47p/100V-K
C15
220K R42
22n/400V
22u/50V
REL1C
C57
7
TP3
8
TP-THT30 R140
9
1K0
FRT5-1-24V
T1B Q32
R74
MMBF4416
33K
TP8
TP-THT30
MC33078P(MOT)
5
R1 U2B +
7
6
2K2 -
D19
MMBF4416
Q2
D23 D27
R15
4MEG7
BZX55V_3V9 BZX55V_3V9
220p/100V-K
R23 220K
C12
R20 R L
2MEG2
RK16-A250K P9
MASTER
FET-UL
100n/63V-K
+5V
C26
220R
R31
+5V
R35
220R 100n/63V-K
C27
R120
BC807-25 REL1A
+
100R
1
Q22
C63
R144
220n/63V 10
-
22K
D17
1N4148 -22V FRT5-1-24V
R63
10K
Clean
Crunch
Lead
Ultra
NA = not assembled part ----- EX = exclusive part, no alternative allowed
LED-Store
HT = high temperature part, assemble with distance from PCB
LED-FX-Access
FX-Access
SW3C
WPML2-N-B
66606 St. Wendel / Germany
150R R29
HU0212-SP-R01
Number:
R14 WPML2-N-B R21
SW3A
22K 1 10K
Drawn by: B. Schneider
2 3
4
B. Schneider
Checked by:
5 6
WPML2-N-B
PCB No.:
SW3B
Filename: HU0212-SP-R01_Main.Sch
6 7
8
+280V
NA
Z1
T2B FK237-SA220H
100K/1W
R40
7
T2A
D
C25
220n/250V
TP4
2
TP-THT30
R19
330K HO1
R88 NDK-R0-B32
91K/1W
HO2
NDK-R0-B32
HO3
NDK-R0-B32
1K8
HO4
R80
1u/63V NDK-R0-B40
C39 HO5
NDK-R0-B40
HO6
NDK-R0-B40
HO7
NDK-R0-B30
HO8
NDK-R0-B32
HO9
NDK-R0-B32
HO10
NDK-R0-B32
C
TJC3-7P
JP9
7
LED-T7
6
LED-T6
5
LED-T5
4
LED-T4
C6 3
2
1
10u/63V
F-TJC3-20-2.5
W1
20
Preamp-OUT
19
-15V
18
Ret. PreTube
17
+22V
16
Resonance
B
15
Presence
14
Clean
13
Crunch
12
Lead
11
Ultra
10
+5V
9
LED-Store
8
LED-FX-Access
Store-Access-SW 7
6
5
+15V
4
3
Send PreTube
2
1
Input Signal
Title:
GrandMeister 36
Mainboard Preamp Powersupply
A
1 C
Version: Revision:
Date: 08.02.2013 Page: 1
08.02.2013 7
Date: Pages
8