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Block Diagram
CH-1
JK1301
CH-2
INPUT1 P.W.B
FRONT1 P.W.B
FRONT2 P.W.B
INPUT2 P.W.B
CH-3
JK1201
CH-4
LED P.W.B
u-COM
+5V
REG.
B-DET
IC
MAIN P.W.B
±15V
VR(+9V )
CH1
CH2
NORMAL
1
GAIN
BRIDGED
GAIN
MODE
±15V
±15V
MODE
GAIN
GAIN
BRIDGED
1
NORMAL
CH4
CH3
VR(+9V )
±15V
u-COM P.W.B
LED BLUE
LED RED
BATT-DET
VAREF
u-COM
VDD
u-COM
RESET
RESET
GND
GND
±38V
PRE1 P.W.B
VOLTAGE AMP
PRE2 P.W.B
VOLTAGE AMP
DRIVER
±38V
OVER-CURRENT, SHORT-CIRCUIT, TEMP
CUR-DET1
CUR-DET2
CUR-DET3
CUR-DET4
SHT-DET1
SHT-DET2
PWM1 P.W.B
SHT-DET3
SHT-DET4
9V REG.
POWER
SUPPLY
CONTROL
9V REG.
POWER
SUPPLY
CONTROL
PWM2 P.W.B
±40V
OUTPUT2 P.W.B
CH-1
OVER-
CURRENT
DRIVER
SHORT-
CIRCUIT
TML1400
TEMP
CH-2
AVR
(+9V,+12V )
OVER-
CURRENT
SHORT-
CIRCUIT
TEMP
±40V
CH-3
TML1504
CH-4
AVR
(+9V,+12V )
OUTPUT1 P.W.B
POWER1 P.W.B
±40V
+40V
AVR
POWER
SUPPLY
-40V
FET
AVR
DRIVER
+15V
AVR
-15V
AVR
±40V
+40V
AVR
POWER
SUPPLY
-40V
FET
AVR
DRIVER
+5V
AVR
POWER2 P.W.B
-5V
AVR
TO CONTENTS
FAN1602
FAN1601
±38V
±15V
±38V
±15V
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