Hughes & Kettner GrandMeister 36 Head Service Documents page 27

1 2
HO1
36 Watt
NDK-R0-B40
SPEAKER+
Audiotransformer
HO2
JP4
NDK-R0-B40
FASTON-4.8-LG
HO3
NDK-R0-B40
HO4
NDK-R0-B40
R89
Z1
HALTEBOLZEN-LG
D
JP1 S20K50
FASTON-4.8-LG
SPEAKER-
JP3
FASTON-4.8-LG
R32
C37
R84
3K3*
F-TJC3-7-2.5 ErP-Signal
W2 1MEG0*
7 10n-K+
LED-T7
6
LED-T6
5
LED-T5
4
LED-T4
3
A-BIAS-Switch
2
36W-Mode
1
Speaker-Signal
C
F-TJC3-16-2.5
W1
16
R-Box-Resonance
15
SPK-Connect
14
Soak-SW
13
Powersoak-Relay
12
MIDI-OUT
11
MIDI-IN
10
+5V
9
Preamp-OUT
8
+22V
7
Ret. EXT-FX
6
+15V
5
-15V
4
Send EXT-FX
3 +15V
Gate-Signal
TL082CD
2
U4A
1
NF-to-Gate
3
V+
+
2
-
C21
RK16-A10K
470n/63V V-
P1
B R33 R70
C22
3K3* 4MEG7*
470n/63V
R63 C24 10p-K*
220R*
+22V
+5V
RXE020-60V/0.2A
U5
FU1
1 6
PMLL4148
2 4
D12 3 5
NC
C35 H11L1M
100u/25V
R68
220-
+5V
C40
A
2,2uF/10V-TA
J1 J2
MAB7_SH-L MAB5SH
MIDI IN MIDI THRU / OUT
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
REL1C
8
9
10
ST4002H24W L1 L3
2200µH-LBC
REL1B
R94
5
15R/5W
4 L2 L4
R9
2200µH-LBC
3
15R/5W
ST4002H24W +15V
MC33079
R1 33K* R2
U2A
3
VCC
+
10K*
2
R13 -
R16 TP109
470R*
22K*
TP-SMD10
15K*
VEE
MC33079 R75
R90
5 -15V
+
U2B
2K2* C1 7
6
R20
- 4MEG7*
39K*
47n/63V
R19
BC817-25
47n/63V
Q4
4K7* 120K*
C2
R18
D15
UDZS12B
NA
R34
10K*
C23
R71
+5V
470n/63V
100R*
D1 D2
R44
2K2*
PMLL4148 PMLL4148
U4B
1 5
+
7
U6A
6
- MC33079
TL082CD
R47
C3
47p-K* 2K2*
R56 R57 47K*
R48
47K* R36
2K2* 10
+15V
10K*
C25
R37 R49
100n-K*
10K* 2K2* 12
R91
13
560R*
MIDI-IN
R50
5 1 2K2*
+5V VCC A
4
MIDI-OUT
Y
3 2
GND B
R69 SN74LVC1G08
220-
U7
+5V
JST-S03B-EH
JP5
WPML2-N-Y
3 R45
SW2C
+15V R
12K*
2
ErP-Signal G
1
B
R97 WPML2-N-Y
SW2A
10K*
ErP-Function OFF 2
1
3 2 5
SW2B
SFB-12-02V
WPML2-N-Y
SW6
3
4 5
+15V -15V
REL2B REL3B
5 5
4 4
3 3
1n/63V
ST4002H24W ST4002H24W
NA
C6
REL2C REL3C
R24
8 8
10MEG*
9 9
10 10
33n/63V
ST4002H24W ST4002H24W
C9
R77 MC33079
470R*
9 U2C
R14 -
C4
1 680R*
100n/63V C5 10
R23 +
R31
5K6*
100n/63V
15K*
C17
15K* R76
C34 100n/63V
10n/63V
MMBF4416
Q1
R82 27K* R17
Modern Cab
R54
+15V
WPML4-S-Y
SW1B
-15V BC807-25 MMBF4416 5
470K* Q3 Q2
SW1C
R83
R81 R38 8
27K*
R62 4MEG7*
WPML4-S-Y
22K* R55 22K* 2
-15V
C16 10n-K*
WPML4-S-Y
ST4002H24W ST4002H24W +22V
REL3A REL2A
+ +
1 1
D7 D8
+22V 12 12
- -
3
VCC
+
1
2
-
VEE
MC33079
5 U6B
+
7
6
-
MC33079
U6C
+
8
9
-
36W-Mode
MC33079
BC817-25
U6D
+ R58 Q6
14
- 47K*
R39
22K* R53
R52
2K2*
2K2*
18W 5W 1W
WPML2-N-Y WPML2-N-Y
SW3C SW4C
WPML2-N-Y WPML2-N-Y
1 1
SW3A SW4A
3 2 3 2
4 4
6 5 6 5
SW3B SW4B
WPML2-N-Y WPML2-N-Y
1K0* R64 1K0* R65 1K0* R66
4 5
6 7
Speaker-Out
+15V
10
SW1D
11 12
U1A
MC33078
WPML4-S-Y
3
VCC
+ R29
1
MC33079 2
12 - 680R*
+ U2D
14
13 10u/63V
- VEE
C14
-15V
22K* R21
R28
C11 47p-K*
24K*
C29
C7
22K* R22
R4
1n/63V 330p-K* 3n3/63V
10K*
C31
R27
R79 MC33078
12K*
5
470R* 100K* + U1B
8 7
R15 R3 10K*
6
-
R6 10K* R30
C30
33n/63V 1n/63V
C8 C10
680R*
C36 100p-K*
R5
10K*
1n/63V
C28
4
6
7
9
1
Modern Cab
3
-15V
SW1A SW1E
2K2* R80
WPML4-S-Y
C19
C18
10n-K*
10u/63V
ST4002H24W
R41
REL1A +15V
220R*
U3A
+
1 MC33078
D9
3
VCC
+
12 1
2
- -
R42
100K*
R51
VEE
-15V
2K2*
R73
1K0*
D13 D14
C20
R43
100K* UDZS6.8B UDZS6.8B
10u/63V
-15V
MC33078
5
+ U3B
7
R40
6
-
22K*
R61
D11
Soak-SW
ZMM2.7
47K*
+5V
C27
R46
22p-K*
10K*
NA
100n-K+
NA = not assembled part ----- EX = exclusive part, no alternative allowed
Speaker OFF
HT = high temperature part, assemble with distance from PCB
WPML2-N-Y
C33
SW5C
10n-K*
WPML2-N-Y
66606 St. Wendel / Germany
1 1
SW5A
3 2 3
HU0211-SP-R02
Number:
4 4
6 5 6
Drawn by: B. Schneider
SW5B
WPML2-N-Y B. Schneider
Checked by:
1K0* R67 PCB No.:
Filename: HU0212-SP-R02_Rear.Sch
6 7
8
T J6
TS
Speaker Out
8 to 16 Ohms
SS
S
RM122-02
D
R26
100K*
1
3
Redbox Out
2
4
R25
XLR/M-NC3MAAH
JP2
100K*
TP-SMD10
10u/63V
TP1
C15
TP-SMD10
TP2
LD1 LD2 LD3 LD4
3MM-R 3MM-R 3MM-R 3MM-R
C
Tube4 Tube5 Tube6 Tube7
10K*
R35
100n-K+
+5V
C38
R85
ErP-Signal
47K*
R59
T
TS J3
220-
FX - Send
SS
S
RM122-02
T
TS J4
FX - Return
SS
S
RM122-02
B
T
TS J5
R74
Preamp Line Out
220-
SS
S
RM122-02
TP-SMD10
TP7
TP-SMD10
TP8
C39
NA
R96
ErP-Signal
22K*
Title:
GrandMeister 36
Rearboard
A
1 C
Version: Revision:
Date: 17.04.2013 Page: 3
17.04.2013 7
Date: Pages
8