Yorkville EX1 - Manual (Page 16)

14
B l o c k D i a g r a m for E X 1 - Page 2 of
2
D
E
S
IG
N
E
D
A
N
D
M
A
N
U
F
A
C
T
U
R
E
D
B
Y
Y
O
R
K
V
IL
L
E
S
O
U
N
D
THERMISTOR
THERMISTOR
THERMISTOR
SENSE HIGHEST
SHUT DOW
N
THRESHOLD AC POWER SENSE FA
N
DRIVER
&
REGULA
TOR
+41V
FA
N NAND
LEFT MUTE FET RIGHT MUTE FET SUB MUTE FET
-19V TO UNMUTE
M1213 BOARD
M1214 BOARD
M1213 BOARD
M1214 BOARD
THERMISTORS MONITOR HEA
TSINKS
FAN RUNS FOR 2sec WHEN POWER IS TURNED ON TO INDICA
TE FUNCTIONAL ST
ATUS,
AND BEGINS FULL OPERA
TION
AT 45 DEG
C