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47
HCD-EC55/EC77/GX99
HCD-EC55/EC77/GX99
7-21. PRINTED WIRING BOARD — PT (U) BOARD (EC55: US, CND) —
•
See page 29 for Circuit Boards Location.
:Uses unleaded solder.
7-22. SCHEMATIC DIAGRAM — PT (U) BOARD (EC55: US, CND) —
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
11
12
13
14
15
K
EC55 : US,CND
D052
C051
D055
D051
TP003
T001
CN051
T002
RY001
PT001
W051
NOT REPLACEABLE
BULT IN TRANSFORMER
*
*
1-872-870-
11
(11)
12
(12)
POWER TRANSFORMER (SUB)
POWER TRANSFORMER
(MAIN)
MAIN BOARD
CN604
(
(
(
(
SUFFIX-12
Page 35
SUFFIX-13,-14
SUPPLEMENT-1
Page 3
PT(U) BOARD
AC IN
1
2
A
B
C
D
E
3
4
5
6
7
K
C051
0.1
MC2836-T112-1
D051
MC2838-T112-1
D052
TERMINAL (1P)
T001
TERMINAL (1P)
T002
RY001
1
2
3
4
1
2
3
4
5
6
7
8
HOLDER, CABLE 8P
8P
CN051
RELAY ON/OFF
V STBY
AC DETECT
VH(AC)
VL(AC)
GND
VL(AC)
VH(AC)
MC2838-T112-1
D055
1
7
13
14
10
12
11
15
3
5
8
9
16
17
2
4
6
1
3
4
5
6
7
8
9
2
PT001
TP003
L
N
MAIN BOARD(2/2)
CN604
EC55 : US,CND
PT(U) BOARD
POWER TRANSFORMER
POWER TRANSFORMER
(MAIN)
(SUB)
AC IN
*
*
Not Replaceable
Built in Transformer
(
(
(
(
SUFFIX-12
Page 37
SUFFIX-13,-14
SUPPLEMENT-1
Page 3
1
2
A
B
C
D
E
F
3
4
5
6
7
9
8
10
• Semiconductor
Location
Ref. No.
Location
D051
D-3
D052
D-3
D055
D-3
Ver. 1.2
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