Schematic Diagram - Pt Board - Sony HCD-EC68 Service Manual

HCD-EC68/EC78

7-18. SCHEMATIC DIAGRAM - PT Board -

1 2
PT BOARD
A
B
C
S001
VOLTAGE
SELECTOR
120V
D
-1
220V
-2
230-240V
EC68: E2, E3, E51/
EC78: E2, E3, E51
E
CN053
3P
LIVE
1
(AC IN)
NEUTRAL
3
F
G
HCD-EC68/EC78
3 4 5
RY001
EC68: AEP, UK, RU/ EC68: E2, E3, E51, MX, AR, AUS/
EC78: AEP, RU EC78: E2, E3, E51, MX, AR
EC68: MX/
JW006
EC78: MX
EC68: E2, E3, E51, AR, AUS/
JW004
EC78: E2, E3, E51, AR
(EC68:AUS) JW009
EC68: MX/
JW005
EC78: MX
EC68: AR/
JW003
EC78: AR
6 7 8
PT001
SUB POWER TRANSFORMER
4
RY002
3
2
1
PT002
SUB POWER TRANSFORMER
4
3
2
1
PT003
MAIN POWER TRANSFORMER
6
∗
5
4
3
(EC68: E2, E3, E51, AR, AUS) 2
1
PT004
MAIN POWER TRANSFORMER
6
∗
5
4
3
2
(EC78: E2, E3, E51, AR)
1
36 36
9 10 11
EC68: AEP, UK, RU/
EC78: AEP, RU
5
6
7
8
9
EC68: E2, E3, E51, MX, AR, AUS/
EC78: E2, E3, E51, MX, AR
5
6
D051 D052
MC2836 MC2838-T112-1
7
8
D055
9 MC2838-T112-1
(EC68)
10
11
12
13
14
C052
0.1
(EC78)
10
11
12
13
14
∗NOT REPLACEABLE:
BUILD IN TRANSFORMER
12 13
C051
0.1
CN051
8P
RELAY ON/OFF
1
V STBY
2
J
AC DETECT
3
VH(AC)
4
MAIN
VL(AC)
5 BOARD
(1/2)
GND
6 CN604
(Page 28)
VL(AC)
7
VH(AC)
8
W001
(CHASSIS)