Fujitsu ARHC72LHTA Service Manual page 9

Duct type 50hz indoor/outdoor units
Table of Contents

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CN70
1971032-5 ( G I C2.0 5P )
WHITE
12V
5
4
5V
NC
5V
DC I N
3
C70
C71
+
NC
2
0.1
10/
GND
1
50V
<F>
CN80
1971032-9 ( G I C2.0 9P )
WHITE
12V
1
5V
2
PR1
3
PR2
4
SERIAL I N
5
FILTER PCB
SERIAL I NT
6
SERIAL OUT
7
DRAIN PUMP
8
GND
9
D80, D81
DAN217U x 2
CN81
1971032-4 ( G I C2.0 4P )
R80, R81
WHITE
100k <1/10W> x 2
CT 1P
1
CT1N
2
CT I N
CT 2P
3
C82
CT 2N
4
0.1
<F>
CN100
K100
12V
B2B-XH-AM ( LF ) ( SN )
G5NB-1A
WHITE
2
4
2
EX. OUT 1
uLN2003ARD
1
3
1
12
CN101
K101
B2B-XH-AM-BK ( LF ) ( SN )
G5NB-1A
BLACK
2
4
2
EX. OUT 2
uLN2003ARD
1
3
1
CN102
K102
B2B-XH-AM-R ( LF ) ( SN )
G5NB-1A
RED
2
4
2
EX. OUT 3
uLN2003ARD
1
3
1
10
L100
CN103
BLm18AG601
B3B-XH-AM ( LF ) ( SN )
WHITE
R100
5V
3
330
NC
2
EX. I N
I C100
<1/10W>
PS2561L-1-V
EXT I N
1
C100
1
0.01
2
<B>
L101
BLm18AG601
CN110
L110
5V
1971032-2 ( G I C2.0 2P )
BLm18AG601
WHITE
5V
1
THERMISTOR ( PIPE - M I D. TEMP. )
P. TH ( M I D )
2
R111
C110
49.9k
0.1
CN111
<1/10W>
<F>
2-1971032-2 ( G I C2.0 2P )
1%
BLUE
5V
1
THERMISTOR ( PIPE - ENT. TEMP. )
P. TH ( ENT )
2
R113
C112
49.9k
0.1
<1/10W>
<F>
1%
CN113
1-1971032-2 ( G I C2.0 2P )
RED
5V
1
THERMISTOR ( ROOM TEMP. )
ROOM TH
2
R117
C116
C117
+
10/
0.1
<1/10W>
50V
<F>
5V
R120
R121
CN120
10k
1.0k
B03B-XARK-1-A ( LF ) ( SN )
<1/10W>
<1/10W>
RED
FLOAT SW
1
NC
2
FLOAT SWITCH
GND
3
2013.01.29
12V
C72
C73
+
0.1
10/
<F>
50V
5V
12V
C80, C81
0.1 <F> x 2
5V
10
7
P_PR1
R86
10k
11
6
P_PR2
<1/10W>
<1/10W>
R84
12
5
10k
P_SO
<1/10W>
13
4
P_PR
<1/10W>
5V
Q80
DTC124EKA
I C80-7, I C80-6, I C80-5, I C80-4
3
uLN2003ARD x 4
1
1
2
1
2
R82
C87
10k
0.01
3
3
<1/10W>
2
<F>
P_AN_CT1
P_AN_CT2
C83
R83
C84, C85
0.1
10k
0.1 <F> x 2
<F>
<1/10W>
I C160-5
R20
5V
10k
12V
5
P_EX_OUT1
<1/10W>
9
C89
VCC
I C160-6
0.1
8
VCC
CS
C20
4
DO
SK
<F>
G/V
0.1
6
TEST
D I
8
<F>
5
GND
NC
11
6
P_EX_OUT2
I C20
I C80-8
S-93C56BD0I
uLN2003ARD
I C160-7
7
P_EX_OUT3
5V
R115
R101, R102
C114
10k <1/10W> x 2
4.7k
0.1
<1/10W>
<F>
<1/10W>
P_EXT_I N
1%
4
C101
3
0.01
<F>
5V
R40 - R42
10k <1/10W> x 3
R43 - R45
P_AN_TH_TPM
JM40 - JM42
R110
C111
1.0k <1/10W> x 3
1.0k
0.1
<F>
<1/10W>
P_AN_TH_TPE
R112
C113
1.0k
0.1
<F>
<1/10W>
P_AN_TH_ROOM
C118
R116
10k
1.0k
0.1
<1/10W>
<F>
1%
P_SW_FL
C120
0.01
<F>
MAIN PCB
ARHC72LHTA : K09AZ-0900HSE-C1
ARHC90LHTA : K09AZ-0901HSE-C1
R31, R30
10k <1/10W> x 2
FLMD0
R38
0R0
TOOL0
TOOL1
R33, R32
SW30
10k <1/10W>
CJS-1200TB
x 2
1
RESET
2
WRITE
3
R87
NORMAL
1.0k
P_S I N
R37
100k
R85
<1/10W>
390
C31
R36
C30
P_POWER
0.01
1.0k
0.1
<F>
<1/10W>
<F>
C86
C88
0.01
1000p
<F>
<R>
5V
R29, R28
10k <1/10W> x 2
1
5V
2
NC
3
NC
4
RXD
RXD
5
TXD
TXD
6
GND
I C1
P_E2P_DO
uPD78F1154AGK
74
P00
VCC
19
1
P_E2P_CS
P_E2P_CS
73
P01
EVCC
20
2
P_E2P_SK
P_E2P_SK
72
P02
59
AVREF0
3
P_E2P_D I
P_E2P_D I
71
P03
AVREF1
56
7
P_E2P_DO
70
P04
P51
42
39
P05
P52
43
P_RC_TXD
R23, R22, R21
38
P06
P53
44
10k <1/10W> x 3
54
P10
P54
45
P_PR2
53
P11
P55
46
P_SO
52
P12
P60
21
P_PR
51
P13
P61
22
TXD
50
P14
P62
23
RXD
49
P15
P63
24
48
P16
P64
26
P_FM1_PWM
P65
27
P_FM2_PWM
47
P17
68
P20
P66
28
67
P21
P67
29
66
P22
P70
37
R114
C115
65
P23
P71
36
P_AN_CT1
0.1
1.0k
64
P24
P72
35
P_AN_CT2
<F>
63
P25
P73
34
P_AN_TH_ROOM
62
P26
P74
33
P_AN_TH_TPE
61
P27
P75
32
P_AN_TH_TPM
40
P30
P76
31
R2, R1
P_FM2_FB
25
P31
P77
30
P_TEST_CO
10k <1/10W> x 2
9
P40
P90
55
TOOL0
8
P41
P110
57
TOOL1
7
P42
P_SW_FL
P111
58
6
P43
P120
1
P_FA
5
P44
P121
15
P_HEATER
4
P45
P122
14
P_JP_HD
3
P46
P_JP_RC2
P123
12
P_JP_RC1
2
P47
P124
11
41
P50
P130
69
P_RC_RXD
10
*RESET
P140
80
RESET
P_JP_RC1
13
FLMD0
P141
79
FLMD0
16
REGC
P142
78
C5
17
GND
P143
77
60
AGND
P144
76
0.47
P_JP_RC2
P145
75
18
EGND
<F>
P_JP_HD
C40 - C42
R53, R52, R51, R50
0.1 <F> x 3
10k <1/10W> x 4
R57, R56, R55, R54
1.0k <1/10W> x 4
P_D I P_SW4
P_D I P_SW3
P_D I P_SW2
P_D I P_SW1
C53, C52, C51, C50
0.1 <F> x 4
8
5V
5V
CN30
R134 - R136, R130, R131
B08B-PASK-1 ( LF ) ( SN )
10k <1/10W> x 5
WHITE
P_LED_OP
1
5V
P_LED_TM
2
RESET P I N
P_LED_FL
3
FLMD0
R132 47
L132 - L134
4
TXD
BLm18AG601 x 3
<1/10W>
FLASH
P_REMOTE
5
RXD
6
GND
P_SW_CO
7
CLK_I N
C132
C133
R133
8
RESET OUT
0.01
1000p
1.0k
<F>
<R>
<1/10W>
5V
I C30
BU4842F
I C80-3
R140 - R142
2
VDD
NC
3
uLN2003ADR
120 <1/4W> x 3
<1/10W>
1
OUT
GND
4
3
14
P_RC_TXD
5V
R146
1
2
10k
I C140-2
<1/10W>
BA10393F
3
CN31
6
-
7
B06B-XASK-1-A ( LF ) ( SN )
P_RC_RXD
5
+
WHITE
C142
R145
C144
C143
0.01
1.0k
0.01
0.01
PCS
<B>
<1/10W>
<B>
<B>
12V
I C140-1
5V
2
P_HEATER
BA10393F
8
C140
3
VCC
+
1
0.1
3
P_FA
-
2
L1
G/V
C4, C3, C2
<F>
BLm18AG601
4
0.1 <F> x 3
4
C1
P_BZ
+
10/
I C140-3
I C160-2 - I C160-4
50V
BA10393F
uLN2003ADR x 3
12V
P_FM1_FB
I C160-8
P_EPV_D
uLN2003ADR
P_EPV_C
I C160-1
9
P_EPV_B
C160
P_EPV_A
uLN2003ADR
VCC
P_LED_FL
0.1
1
16
P_LED_TM
<F>
G/V
P_LED_OP
8
P_TEST_DO
P_TEST_D I
I C80-1, I C80-2
uLN2003ADR x 2
P_S I N
P_LV1
P_D I P_SW4
P_D I P_SW3
P_LV2
P_D I P_SW2
1
16
P_FM1_PWM
P_D I P_SW1
P_POWER
P_FM2_PWM
P_LV1
P_FM1_FB
P_LV2
P_SW_CO
P_FM2_FB
P_PR1
C170, C171
0.01 <B> x 2
P_REMOTE
C172, C173
X1
1
3
1000p <R> x 2
5.00MHz
P_EXT_I N
<CSTLS>
P_BZ
2
P_EX_OUT3
R180 - R183
P_EX_OUT2
1.5k <1/10W> x 4
P_EX_OUT1
P_EPV_D
P_EPV_C
P_EPV_B
P_EPV_A
R3
10k
5V
<1/10W>
SW50
R65 - R67
CFS-0402MC
330 <1/10W> x 3
5
4
P_TEST_CO
C61
6
3
0.01
7
2
8
1
<F>
P_TEST_DO
C62
0.01
<F>
P_TEST_D I
C63
0.01
<F>
L131
BLm18AG601
CN130
B07B-PASK-1 ( LF ) (SN )
+
C131
C130
WHITE
10/
0.01
50V
<F>
1
LED ( OPERATION )
2
LED ( TIMER )
3
LED ( FILTER )
I NDICATOR PCB ( OPTION )
4
VCC ( 5V )
5
WIRELESS REMOTE CONTROL SIGNAL
6
GND
7
MANUAL AUTO SWITCH
W101
E
UL1015 AWG16
GREEN
C134
2200p
<E>
F140
12V
0.2A - 30V
L141
CN140
<SmDC>
BLm18AG601
B03B-XAKK-1-A ( LF ) (SN )
R144
BLACK
C141
10k
D140
0.01
1
12V
D1FS4A
<B>
WIRED REMOTE CONTROL
2
REMOTE
L142
3
GND
BLm18AG601
D141
DAN217U
R147
1.0k
<1/10W>
CN160
R149 15.4k
B02B-PAOK-1 ( LF ) (SN )
<1/10W>
ORANGE
12V
1%
R148 28k
1
12V
HEATER
<1/10W>
2
HEATER
1%
15
1
12V
FRESH AIR
2
FA
14
R160, R161
1.0k <1/10W> x 2
CN161
13
B02B-PAMK-1 ( LF ) (SN )
GREEN
B Z
BZ160
PKM13EPYH-4000-A0
5V
R170 - R173
CN170
10k <1/10W> x 4
1971032-8 ( G I C2.0 8P )
WHITE
8
5V
7
DC FAN1 - LOW VOLTAGE
6
DC FAN2 - LOW VOLTAGE
5
DC FAN1 - PWM
POWER SUPPLY PCB
4
DC FAN2 - PWM
2
15
3
DC FAN1 - FEEDBACK
2
DC FAN2 - FEEDBACK
C174
R174 - R177
1
GND
0.01
1.0k <1/10W> x 4
<F>
CN180
12V
B06B-XARK-1-A ( LF ) (SN )
1
12V
I C180
2
12V
TD62064APG
3
EPV-D
3
I 1
O1
2
ELECTRIC EXPANSION VALVE
6
I 2
O2
7
4
EPV-C
11
I 3
O3
9
5
EPV-B
14
I 4
O4
16
1
COM1
GND1
4
6
EPV-A
8
COM2
GND2
5
10
NC1
GND3
12
C180
15
NC2
GND4
13
0.1
<F>
5V
R63, R62, R61
10k <1/10W> x 3
CN60
B5B-PH-K-S ( LF ) (SN )
WHITE
1
CLOCK OUTPUT
2
DATA OUTPUT
3
DATA I NPUT
TEST
4
5V
5
GND

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