OCP_MUTE FUSE20A
R15
R1
R10
100µ
1K
16V
+Supply
100 /2W
C4
C19
C17
47K
100µ 200V
220n 200V
R63
560 D20 NSCW100 LEDGreen MJE350C Q8
MJE350C Q7
C18
R62
Q27 MJE340C
33p
C25 33p
D27
D6 ZD8.2V
R126
Q28 2SC4382
+Tracking
R75 2.2
R119 2.2 0.5W
R68
1N4148
2K2
2SA1668 Q19
68
22
ES1J R24
R42
R67
47K
D7 ZD3.9V
47K
D3 MBR745
R80 0.47 5W
R66 5.6K
+POS_AMP
D1 MBR745
R124
47K
D11
R84 0.47 5W
D19
C9
D14
3.3µ 275V
MUR460
ES1J D18
R23
C30
C24
C33
C28
220n 200V
220µ 20 0V
220µ 20 0V
220n 200V
0.5W Q33
Q30 MJL3281C
D43
SS24
M1 IRFP90N20D
10 /0.5W
MJL3281C
Q3 BD140C
10K ES1J
R69 100 2W
Q11 MJE340C
R71 0.22 5W
R74 0.22 5W
Hi-Side
L1
H-Buck
R25 220 /0.5W
D12
100µ
MUR460
MS1570125
Q9
R32
C23
R17
100p
680 /0.5W
2SC4382 220 /0.5W C11 R2
R3
C14
R30 220
220
47K
C8
VR2 T=0.5 R=500
R14
10p
Q4
Q5
10p
120
R20
27K
R60 330 0.5W
R35 33 2W
R44 0.22 5W
R54 0.22 5W
R34 0.22 5W
R37 0.22 5W
R39 0.22 5W
R70 0.22 5W
R61 330 0.5W
R49 33 2W
R56 0.22 5W
R58 0.22 5W
R48 0.22 5W
R51 0.22 5W
R53 0.22 5W
R73 0.22 5W
220µ 25V
R27
R89
27K
47K
MJL1302C Q29
MJL1302C Q26
2.2µ
/275V
R55 4.7 0.5W
C37 R12
MJL1302C Q20 R47 4.7 0.5W
R57 4.7 0.5W
MJL1302C Q21
MJL1302C Q22 R52 4.7 0.5W
R50 4.7 0.5W
MJL1302C Q32 R72 4.7 0.5W
C36 D16 220n L4
MUR460
C10 100p
Q12 L2
Low-Side D2
R100 100 2W
Q25 MJE350C
ES1J R127 10K
MJL1302C Q41
ES1J R99
D8 ZD8.2V
ES1J
2K2 D28
Q36
-Tracking
BC546B
D9
R125 R65 47K
D21 R4
C32 100µ
560
16V
ZD3.9V
R7
R6
270
220
C5
C16
100µ 200V
220n 200V
R64 R16
47K
R122
2.2 0.5W
2.2 0.5W
C6 3.3µ 275V
22
D17
R29 D22
MUR460
330
ES1J R78
R97
Q18 MPSA42
47K 5.6K
C26 33p
D23 ES1J
R98
C1 3n3
MJL1302C Q34
R77
2SA1668 Q17
1N4148
ZD3.9V
Q2
MUR460
R28 120 2SA1668 Q16
D10
560
100µ MS1570125
R76 0.22 5W
R102 0.22 5W
680 /0.5W D13
L-Buck
D44
Q35 2SC3503C
R9
2SA1668
220 /0.5W
R5
MAIN_GND
2.2µ
6n8 R46
0.5W
BC546B
AMP_OUT
R40
C12
330
Q1 BC546B
L6 2.2µ
10 C15
R=500 T=.7 BIAS
18p
8 /3W
120
VR1 C2
390
MUR460
Output R21
R11
R13
2.2µ Q31 MJL3281C
R41
16V
470p
MJL3281C
L3
D15
Q15 MJL3281C
Q14 MJL3281C
C7 10µ
MPSA92
C3 100K
R59 4.7 0.5W
R38 4.7 0.5W
R36 4.7 0.5W Q13
Q24 MJL3281C
MJL3281C
R19 220
1K R22
R33 4.7 0.5W
R45 4.7 0. 0.5W
Q23
1.5K
C31
MPSA92
/275V
BC546B
DCOFFSET C20
+_INPUT_SIGNAL
100n
Q6
R43 4.7 0.5W
6n8
2.2µ
R18
Q44 MJE350C C22 33p
100 /2W
MAIN AMPLIFIER BOARD
EEEngine G77 Ver.2 Kartino Surodipo - Copyright April 2020 A AT TTENTIO ION N: NOT FOR SALE UNLESS PERMITT ITTED! Contact:
[email protected] #Indonesian - Class D Next Generation Facebook Group
R81 0.47 5W R8 0.47 5W
D24
R79
SS24
10 /0.5W
C39
C34
C35
C38
220n 200V
220µ 20 0V
220µ 20 0V
220n 200 V
M2 IRFP90N20D
68 Q10 BD140
D4 MBR745 D5 MBR745
R26 220 /0.5W
FUSE20A -Supply
-NEG_AMP
LIMITER SENSITIVITY OFF
LIMITER R104
1.8 Volt Before Clip
VR3 R=50k T=0.5
2 1 +
R101
3K3 TL072
D32 NSCW100 C56
1K
C55
XLR INPUT 1Vpp Sensitivity 22µNP
1N4148
C49
TO RIGHT CHANNEL
1 2
3K3
2 1 -
1N4148 1N4148 D29 D30 1N4148
22µNP
R96
R107
3 SINE(0 1 10K) RIGHT CHANNEL V2
D26 2K2
D25 Limiter A Acti ctiv ve e
U4
R108
1µ OPTOLDR
1K
NSCW100 D31 WHITE SUPER BRIGHT LED C
C ST BR PR
C47
3
LEFT CHANNELSINE(0 1 10K)
R90 100K R87
R94
2
22µNP
1K
6K8
C27
R95
R85
XLR INPUT 1Vpp Sensitivity 22µNP
1K
C46 100p
2K2
22K C50
6K8 R88 100K
47p
22p
2 1 +
R105
C48
1
V1
R103
R86
C45
C29
100p
LDR1 1Meg
U3 100n 2 1 -
C51 22p
R91 27K
C21 +_INPUT_SIGNAL
TL072
R92
1K
100K
U2 R=20K T=1 20K Volume Potentio
INPUT BOARD
EEEngine G77 Ver.2
Kartino Surodipo - Copyright April 2020 AT ATTENTION: NOT FOR SALE UNLESS PERMITT ITTED! Contact:
[email protected] #Indonesian - Class D Next Generation Facebook Group
22µ
R93 100K
+++170V R132
R131
0.1
0.1
R148 680
R137 680 R136
D60
Q55 MPSA92
Q51 MPSA92
+POS_AMP
V4 R152
+POSSUPPLY
R149
2K2 1N4148
170
47K
47K
R82 OCP_MUTE 100 D64 1N4007
OCP-SENSOR POS
Q54 MPSA42
D46 R116
1N4148 D49 1N4148
15K R106 +12 C52 C13
D33
6K8 /3W
100n 220µ ZD12V 25V 1W C54 C53
-1 -12 2
D34
100n 220µ ZD12V 25V 1W
R83
R146
Protection Features: 1. OCP LATCHED 2. DC OUT PROTECTION 3. DELAY ON
47K
Q53 MPSA92
C40
C41
100µ
100µ R31
D47
15K
33K
1N4148 TO_SPEAKER_PLUS
AMP_OUT
Signalling: 1. POWER ON 2. CLIP SIGNAL 3. MUSIC SIGNAL
R153
R156
R140
47K
47K
470
TO_SPEAKER_MIN
D58
6K8 /3W
R145 47K
12V OP AMP SUPPLY
R135
R155
47K
47K
R114 22K D62
QTLP690C 1N4007 OCP_ON
OCP_LATCH
R147
Q39 2N5551C
R138
D57
-NEG_AMP 2K2 1N4148 R133 0.1
1N4148 C44 Q52 MPSA42 R139 680
R128 6K8
D53 1N4148
R143 3K3
D52 QTLP690C SIGNAL
R121 4K7 D55
ZD15V R130 100K
+++12V
47K
D61
OCP-SENSOR NEG
D59 1N4007 D50 QTLP690C CLIP
D63
R134 0.1
D48 1N4148
R117
R120 R142 4K7
R144 10K 2W
47 Q50 2N5551C C42
D51 QTLP690C POWERON
R141
100µ 25V
QTLP690C PROTECT OFF
Q49 2N5551C Q48 BD139C R118 22K
U1
D54 1N4007
680
10µ 25V
R129 4K7 D56 QTLP690C PROTECT ON
V6
12VDC SUPPLY GND REF
C43 ..\sym\EXTRA\Relays\relay.lib
100µ 25V
12
CUT-OFF RELAY V5
-NEG SUPPLY 170
CLI CLIP P & POWERON LED ---170V
PROTECTION AND SIGNALLING BOARD
EEEngine G77 Ver.2
Kartino Surodipo - Copyright April 2020 A AT TTENTION: NOT FOR SALE UNLESS PERMITT ITTED! #Indonesian -Contact: Class
[email protected] Next Generation Facebook Group
V(l-buck)
180V
150V
120V
90V
60V
30V
0V
-30V
-60V
-90V
-120V
-150V
V(h-buck)
V(hi-side)
V(low-side)
V(output)
