Phonic MQ 3229 - Page 8

REAR BOARD PCB
Page 7
PHONIC CORPORATION
JK4
JK1
JK2
JK6
C4
JK5
O IG
U3
D1
D2
D3
D4
D5
D6
D7
D8
D9
J230V J120V
C16
C17
C18
C11
C3
U5
U4
C10
C9
C6
C7
C8
C12
C13
C15
C19
C20
C14
R3
R1
R2
R12
R4
R5 R6
R7
R8
R9
R10
R11
R20
R19
R18
R17
R16
R15 R13
R14
16 13
11
9
8
6
4
1
RA1
CN1
E C B
Q2
E C B
Q1
C5
CN2
JK3
O IG
U1
G I O
U2
290-03170-200-0
MQ3229 REAR.PCB
7805
GND
7815
7915
SW
AC2
GND
AC1
230V
120V
REAR BOARD PCB
MQ 3229 SERVICE MANUAL