Main Pcb - Samsung AVXC1H022 series Service Manual

8-3-3 MAIN PCB

I DVM HR2
! @ # $
e
E
w
W
q
Q = + ' 0 9
NO. CN# COLOR
!
CN12 BLUE
@
CN13 BLACK
#
CN31 RED
$
CN32 YELLOW
%
CN92 BLACK
^
CN91 BLACK
&
OPT1 WHITE
*
CN83 YELLOW
(
CN51 YELLOW
)
CN52 BLUE
1
CN70 BLACK
2
CN75 WHITE
3
CN76 BLACK
4
CN82 YELLOW
5
CN72 BLUE
Samsung Electronics
% ^
8 7 6
"
FUNCTION
TRANSMITTER POWER(12V)
TRANSMITTER POWER(5V)
COMMUNICATION FOR INDOOR
COMMUNICATION FOR OUTDOOR
SUB. MICOM DOWNLOAD
MAIN. MICOM DOWNLOAD
COOLING/HEATING SELECT
3 PHASE CHECK
VARIABLE COMP. CURRENT
FIXED COMP. CURRENT
AC POWER INPUT
VARIABLE COMP. CCH
FIXED COMP. CCH
OIL VALVE
COMP. SIGNAL
&
5 4
NO. CN# COLOR
6
CN74 RED
7
CN71 WHITE
8
CN73 YELLOW
9
CN85 YELLOW
0
CN84 BLUE
"
CN64 BLUE
'
CN41 BLUE
+
CN12 RED
=
CN44 WHITE
Q
CN65 BLACK
q
CN47 WHITE
W
CN62 BLUE
w
CN99 WHITE
E
CN49 BLUE
e
CN45 YELLOW
PCB Diagram
*
(
)
3 2 1
FUNCTION
HOT-GAS BYPASS VALVE
PWM VALVE
4WAY VALVE
EEV BYPASS VALVE
MAIN COOLING VALVE
LIQUID EEV
LOW PRESSURE SENSOR
HIGH PRESSURE SENSOR
DISCHARGE/SUCTION TEMP. SENSOR
HR EEV
OIL/2TUBE/COND SENSOR
EEV
DC POWER INPUT
OUTDOOR SENSOR
SUMP SENSOR
8-34