1 2 3 4

+22V
D3 D2
P2 AGND SEP-GBU808 +V SEP-GBU606
C17 C16 C18 CN1
2 1 2 1
3 AC V+ 2200uF/50V AC V+
LOW IN P5 2200uF/50V P6 P4 1000uF/25V 1
2
HIGH IN AGND AGND1 2
1 3 C20 C21 2 3 C19
D 3 4 3 4 3 D
2 AC V- 2200uF/50V 1 2 AC V-
3P2.5 2200uF/50V 1000uF/25V
0.1uF/100V 1 1 3P2.5
-V 2P2.5

13
AGND +V

7
C3 3P2.5 AGND 3P2.5 AGND1
-22V
0.47uF/25v 2 P1

+VS(BU)

+VS(PW)
IN-
C5 LOW OUT
R4 2 AGND1
LOW IN 3 R12 R2

2
IN+ 1

C38

4.7R 1W

4.7R 1W
10R C7 22K
R6 CON2
R1 D5 D7
1nF

R7 22K 14
OUT HIGH OUT R17 2 1n4148 Q6

27pF
100K bc857c Q7 R24
4 6 10K 15K C25
SVR BOOTSTRAP 1N4148 TIP42C

270R 1W
R3 C1 R19
C6
100uF/25v

0.1uF/100V
AGND 680
R8 D6
9 12 100uF50v R18
+V ST-BY NC/LOADER LOW OUT 2 AGND1 bc847c
33K 22K R9 Q5
D1 1 5 10K R22
2 ST-BY-GND NC/VCLIP 1N4148 C37 P8
100R R31 C4
1N4148 C26 R21 150K 47nF
C AGND 11 100uF/25v 1 C

R23 1.2K 1W
R5 NC /BUFFER 100uF/50v

100uF/50v
10 2
MUTE
-VS(PW)
-VS(BU)

22K AGND
R29 R20
CON2

33R 1W
150K
10K AGND1

R34
22K C36
R27
AGND
6.8K C9 TDA7293
15
8

-V -22V
AGND U1
C2 0.1uF/100V

13
0.1uF/100V AGND +V

7
C10
4.7uF/50V
C8 AGND 0.47uF/25v R15 2 P7

+VS(BU)

+VS(PW)
10R IN-
C29 HIGH OUT
2
HIGH IN 3
IN+ 1
4.7uF/50V +V R26 C39
22K CON2
13

R14 R10

22pF
7

C28 14
22K OUT
100K 1nF
B 2 4 6 B
+VS(BU)

+VS(PW)

IN- -V SVR BOOTSTRAP

C24 R25
3 AGND AGND 680
IN+ R16 9 12
+V ST-BY NC/LOADER
33K 22K R11 R33 100uF50v
14 D4 1 5
OUT 2 ST-BY-GND NC/VCLIP
100R C27
1N4148
4 6 AGND 11 100uF/25v
SVR BOOTSTRAP NC /BUFFER
10
MUTE

-VS(PW)
C22

-VS(BU)
R13 22K AGND
4.7uF/50V

9 12 R30
4.7uF/50V
ST-BY NC/LOADER
R28 U3
1 5 10K
ST-BY-GND NC/VCLIP
6.8K

C33 TDA7293
AGND 11 C11

15
8
NC /BUFFER AGND -V
10 0.1uF/100V
MUTE
-VS(PW)
-VS(BU)

AGND

Title
A TDA7293 A
U2
15
8

-V Size Number Revision

A4
Date: 28-Jul-2015 Sheet of
File: F:\work\pv2-03.ddb Drawn By:

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