1 2 G1 3 4

7471212 7471212 7471212 7471212 7471212

1
2

1
2

1
2

1
2

1
2
1
2

1
2

1
2

1
2

1
2
+MV
+HV

-MV

-HV
+HV

R77 R78 C21

SPEAKER SPK GND GND 22k 3k3
10u
7471212
7471212 7471212

D16 C26
1
2

J1
1
2

1
2 2 SGND BAV21W
1
2

R25 U5 150p
1
2

1
2
1
IN
4R7
VH VDD R75 D18
CONN-SIL2 8 1
DRIVE IN
SPK 7 2
VL VSS 56k
6 3 BAV21W
5
VDS SLEW
4 C25 D17
22p R76
R73 R74
IR217 ZF15
390R 150k
390R

C43
ZD15 R9 R15 R21 47n
IRFP250
+MV IRFP250 C28 C27
C9 D3 1k5 100R D20 D19
2k2 D5
100n Q28 Q27 C24 100U ZF15
100U
ZY15
100U
+VDD Q3 40CPQ050
MJE350
+FET +MV

U3 R69 C15
R16 Q1 +HVF BLX-A
C13
2N5551 10u
4R7
4k7 C17 47n

2
C8 D10
R8 1N4148 100p Q9
1 Q11 Q13 Q15 Q17 Q19 Q21 Q23 Q32 Q25

2
4k7 2SC5200 2SC5200 2SC5200 2SC5200 2SC5200 2SC5200 2SC5200 2SC5200 2SC5200 2SC5200
2U2 D9 R23
C1 33p R7 C3 470p 1N4148 R20 680R
1k Q6 1 1 1 1 1 1 1 1 1 1 +HV

3
4k7 MJE15032
R1 D2 R4
R53 R55 R57 R59 R61 R63 R65 R88 R67 D11

3
43k 4k7 R26 100k 100k 100k 100k 100k 100k 100k 100k 100k
1N4007
C4 Q5 C20
1N4148 C16
-VDD

47U MJE340 47R R37

U1:B D1 U1:A 100n R40 47n
R28 R30 R32 R43 R45 R47 R49 R86 R51

OUT
C5 4R7
4

4R7
R2 R3 C2 NE5532 47U 1k
4R7 4R7 4R7 4R7 4R7 4R7 4R7 4R7 4R7
IN 6 1N4148 2 R11 R12
3k3 10k 7 R5 R6 1
22U 5 3 22k
U4 47k 4k7 R29 R31 R42 R44 R46 R48 R50 R87 R52 R33
R41
+VDD

C6
8

4R7 4R7 4R7 4R7 4R7 4R7 4R7 4R7 4R7 5k6
NE5532 4R7
R14 R13 RV1 R27 Q8
2N5401
2.2U 22k 22k 1K 47R p
C11 R54 R56 R58 R60 R62 R64 R66 R89 R68

3
NSL-32 22U 100k 100k 100k 100k 100k 100k 100k 100k 100k
R34
R19 22k
C12 D8 Q7 1 1 1 1 1 1 1 1 1 1 D12

3
1k
22U 1N4148 MJE15033
SGND R24 1N4007 p
1 C19 R36
Q10 Q12 Q14 Q16 Q18 Q20 Q22 Q24 Q33 Q26 R35

2
220R
2SA1943 2SA1943 2SA1943 2SA1943 2SA1943 2SA1943 2SA1943 2SA1943 2SA1943 2SA1943 PRO
C18 100k 100k
C7 D7 10n

2
D14 100n -HV
1N4148 Q2
1N4007 100p
2N5401 C30
OUT 4k7 U2 R70 C23 D23
Q4 BLX-A 100U ZF15
D15 R18 MJE340 -HVF 4R7
47n
LED
D6 -MV
+HV
-VDD -FET
D13 C10 R17 R80
100n D4 R22 C29 C14
ZD15 1k5 10k
R10 100R R85 10u
R38 -MV Q31 3k3
ZD15 2k2 150p
6k8 40CPQ050
C44 D22
47n R82
U6 56k
BAV21W
8
VH VDD
1 R79 R83
DRIVE IN BF421
7 2
VL VSS 56k
R71 6 3 150k
R72 5
VDS SLEW
4
390R
390R IR217

R39
4R7
D21 R81 R84 D24 C31
IRFP250
IRFP250 ZF15 10k 22k C22
ZY15 100U
10u

Q29 Q30 -HV

TITLE: DATE:

Apex H1800S.pdsprj 7/14/2020

PAGE:

BY: Mehedi Hasan REV: 1.1 1/2