NAD T 187 Service Manual page 46

PSU-STD BOARD
J8002A
TO MAIN J8002B M8001
TO XFORMER
1 MDC_POWER
2 POWER_ON
3 +5V_K
D8001
4 DGND
1N4007
5 +13V
C8001
R8001
1000p_(M)
3.9k
63V
Q8001
2SC1815Y
R8002
47k
CHGND
1 +5V_K
2 MDC_POWER
3 DGND
J8004A
TO PSU (MDC)
DGND
AT.4.531.0100 (120V)
AT.4.531.0100/2 (230V)
1
2
3
4
5
TO MAIN
6
7
8
9
10
POWER TRANSFORMER
C8016
2.2u
+5V_K
16V
DGND
C8011
R8011
L8003
50V
18
3.3uH
D8007
SR540
M8002-A
C8014
C8013
R8014
!
470u
1000u D8008
820
1N4148
10V 10V
C8012
1u 50V
R8013
8.2K
J8001A
2 PIN CONNECTOR
BWN/WHT
BLU/BLK
!
T8001
D8009
NT2230NL
SR540
10
1000p
9 1
C8009
R8007
8 1000p
270K
1kV
6 2
R8008
R8012
330
12
5
D8006
3
FR107
1
R8009
FB S8
28.7K 1%
2
BP S7
U8001
LNK623PG
S6
C8010
4
D S5
1u
R8010
50V
4.42K 1%
C8015
680pF Y CAP
!
DGND
PGND
For J8016 & J8017:
For F8001: For F8002:
UL VER: FASTON TAG
UL: 1.6A UL: 1A
CE VER: N.I.
CE: 1A C: 500mA
46
D8004 D8002
1N4007 1N4007
C8008 C8007 D8005 D8003
6.8u 6.8u
400V 400V
1N4007 1N4007
L8002
1mH
8
7
6 L8001
2 3
5
1 4
10mH
!
PGND
F8003
250V/800mA
TO POWER SWITCH
J8011 J8012
C8004
0.1uF X CAP
275V
J8003A
TO PSU (MDC)
1
2
3
C8006
0.01u 250V
!
M8002-B
!
!
F8001 F8002
REFER TO NOTE REFER TO NOTE
For M8003:
UL VER: N.I.
C8017
CE VER: AC Outlet
1000P Y CAP
!
CHGND
J8013
AC INLET
R8004 C8005
N.I.
N.I. 230V J8014
AC INLET
J8015
AC INLET
!
R8005
For R8005:
UL VER.: 3.9M
CE VER.: N.I.
REFER TO NOTE
!
CHGND
J8016
REFER TO NOTE
M8003
REFER TO NOTE
!
J8017
C8018
REFER TO NOTE
1000P Y CAP
!
CHGND