Indoor Unit - Panasonic CS-MVG103KE Service Manual

CS-MVG103KE / CU-MVG153KE

14.3. INDOOR UNIT

CS-MVG103KE
D102 D103
G
A54LNK4171B A54LNK5372
R113 R114 R115 R116 R117
F
IC101
1 QA A52W66311FP
VCC 3
2 QB
24 QC
R 7
23 QD
22 QE
CKS 6
21 QF
20 QG
A 4
19 QH
18 QI
E
R101 CKL 8
17 QJ
R102
16 QK
R103
10
15 QL
R104
14 QM
R105
OE 5
13 QN
R106
11 QO
R107 GND 9
12 QP
820Ω×7
D
11 10 9 8 7
g e a f b
c CON1 d CON2 CON3 D.P
1 2 3 4 5
C
IC101
VCC
A52PS442
VOUT
GND
PD
B
A
1
DISPLAY
E39C299
430Ω×9
R118 R119 R120 R121
C105
R112
1.5µ
100K
C106
0.01µ R109
100Ω
(MX9)
C102 CN-DISP1 CN-DISP2
5 5
1000P
R108 9 1
100Ω 8 2
7 3
C103 6 4
1000P R110 5 5
100Ω 4 6
3 7
C104 2 8
1000P 1 9
R111
100Ω
C101
1000P
D101
A54LNM23301A
6
RECEIVER
A741553
(MX3) (MX3)
R101
100Ω CN-RCV CN-RCV1
5 5
3 1 3
C7 C14
2 2 2
C101 16V 16V
1 3 1
1.5µ 47µ
6.3V
22µ
(PH6)
CN-TH1
Fig1
INTAKE AIR TEMP SENSOR 1
(15K 3950)
2
Fig1
HEAT EXCHANGER TEMP SENSOR2 3
(20K 3950) 4
Fig1
5
HEAT EXCHANGER TEMP SENSOR1
(20K 3950) 6
C46
0.01µ
(MX5)
CN-STM
STEPPING MOTOR
12
1 1
2 2
3 3
4 4
5 5
DRIVE SEQUENCE FOR
CCW ROTATION VIEWED
ON THE SHAFT
2 3 4
12
5
ICX
R34 R37
A53805A
10K 10K
1 8
3 DL SCK 5
2 CS SO 6
SI 7
4
IC4
A52PST600DR R29
RESET
100K
I O
C37 C22
C21
16V 16V
0.01µ G
10µ 1.5µ
24 23 22
25
26
27
28
SEGMENT
29
DRIVE
Q10
A55DA143XKTX 30
SEGMENT DRIVE
31
Q8 10K
A55DA143XKTX 32
SEGMENT DRIVE
Q7
10K 4.7K 33 GND
A55DA143XKTX
SEGMENT DRIVE
34
10K 4.7K
35 FM-ROCK
4.7K 36 TEST
SENSOR INPUT
37
REMOTE CONTROL
COMMAND INPUT
38
R21 C19 R24
POWER CLOCK INPUT
1K 3300P 5.1K 39
R31
(5V) TEST 1K 40 GND
R30 R33 41 42 43
10K 10K
Fig2
C9 C8 C45
R35 R41 R83
16V 16V 16V
15K 5.9K 5.9K
10µ 10µ 10µ
IC6
A52A2003GR2
8
TRANSMISSION
10 7
11 6
STEPPING MOTOR
12 5
13 4
14 3
15 2
16 1
9
5 6
72
IC2
C41
R39 R43 C6
5600P
A52BR9020F
10K 10K 0.01µ
2
4 SCK RST 8
R69 C43
8 R25
26.7K 1000P
6 D0 CS 3 R26 C42
3 220Ω
49.9K 1000P
1
2
5 D1 BUSY 1
C28
IC3
7 R27 4 R80
16V
5.49K 13.7K
10µ A52MPC393G22
AMP
BZ1
R1
Q1
A48040
1K
X1
A55DC143XKTX
BZ
A45CTS4MG02T BUZZER
4MHz 4.7K
(27pFx2)
R48
1K
10K
R42
150K
LC1
C16
0.1µ
21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
RECEPTION GND GND POWER BUZZER GND 80
FAN MOTOR
RESET 79
CONTROL
OSC 78
TRANSMISSION
FAN MOTOR
CONTROL
77
76
75
74
73
IC1
A5278366F105
72
71
70
69
68
AUTO 67
TEST RUN 66
TEMP POWER POWER GND
STEPPING MOTOR
65
44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64
Fig2 R44
Fig2 137Ω
R40 C11 R45
10K 1µ 374Ω
7 8
12
5
R28
10K
R32
10K D2
A541SS355T
5
7
6
IC3
C44
50V A52MPC393G22
1µ
AMP
A49AF32102TL
D5,D7,D8
A541SS355T
D5 D7 D8
R50
R7
R77
R3
1K
R57 10K
R18 R4
1K 10K
R55 10K
J1
5
R51 SW4
2K
A01059
R56 C15 AUTO
10K 0.01µ
R46 2K SW3
A01059
R47 C13 TEST RUN
10K 0.01µ
9 10