NAD C 546BEE Service Manual page 29

4
POWER
R7
Q2
2.2k
2N3904
DGND
!
F101
T0.8A 250V
1 2
275V 4 3
0.22uF !
L202
C210 COIL
7.7mH
! !
L102
27mH
D21
D22
1N4007 1N4007
C115
C113
4.7U/400V
4.7U/400V
!
D23 D24
1N4007 1N4007
P216
GND_6P
1
P202
1 2
3
P203
1
KGND DGND DGND
MP: 1726-072A+000B Issue B CC You
B
CC You
A Pilot Run: 1726-072A+000B Issue B
Version
DWN.BY
3
CPU_5V
R264
4.7k
D8
1N4148
K A DETECT
D212
1N4148
A K
Q207
S8050 !
1 2
3
4
5
RL202
RELAY
1 2
120V
!
J217
120V
C211
2200P
1
2
400V
230V
J218
230V
!
!
T100
R22 100K/1W
D105
UF4006
!
103M/400V
C17
D107
2K7 1/4W
R21
UF4006
C16
4 5
FB DRAIN
47U
3
16V NC
P1015AP10
2 7
C112
NC NC
1000P
1 8
VCC GND
U116-B
U116-A
C114 U101
4
33U
16V 3
EL817A
!
C116
222M 400V
H-GND
6
5
4
AGND DGND CHGND
9-Sep-2011
11-Jul-2011
DATE
!
From Main transfromer
J210
VH11P_3.96 JST
1
1
3
2
3
!
4
1
5
1 3
6
!
2
7
1
3
8
3
J209
9
VH3P_3.96 JST
1
To Main transformer
10
3
11
1
3
!
CHGND
D108
L103
UF4006
10uH
C18
C109
220U
103K
R117
25V
12K,1%
U102
TL431
R23
100R
C111
R27
1
104K
10K,1%
2
1 1
2 2
H201 H207
HS_GPE_5400-1706+0 HS_GPE_5400-1706+0
1
1 1
H204 H206
H202
HS_GP_5400-9130+0 HS_GP_5400-9130+0 HS_GP_5400-9130+0
1
H203
HS_GP_5400-9130+0
- 29 -
2
1 2
J201
4
C242
104K
D205
3 RB152
DGND
FC201
2
T1.6AL250V
4
2 FC202 C246
T1AL250V
104K
4
2
FC203
T100mAL250V
DGND
4
FC204
2
T1AL250V
4
1
2
2 FC205
J202
T1AL250V
D208
4
RB152
C250 C251
470uF/25V
104K
4
3
DGND
1 2
J203
1
2
J204
C324
1uF/50V
D211
28V 1/2W
D209 C231
104K
1N4001
D210
100V
C254
1N4001 100uF/63V
D218
1N4001
1 2
J205
C323
RES 1.2K OHM 1/16W
1uF/50V
IC203
7812
1 3
IN OUT
GND
4
C229
C230 C235
2200uF/35V 470uF/25V
104K
D204
3 RB152
C232 C233 C237
2200uF/35V 470uF/25V
AGND
104K
1
2 2 3
IN OUT
DGND
J207
U204
7912
NOTE: 1. RESISTORS, ARE CARBON FILM 5% 1/8W UNLESS
1
U205
7809
1 3
8V
IN OUT
GND
To servo
C244
C243 C245
4700uF/35V 1000uF/25V
104K
AC1
AC2
U206
7806
1 3
5V6
IN OUT
GND
C247 C249 C248
470uF/25V
220uF/16V
104K
U207
7805
1 3 D+5V
IN OUT
GND
C253 C252
220uF/16V 104K
To DAC DVDD and Keyboard
47uF/50V
KGND
C257
C256 R263
NC 47K
47uF/50V
Q206 C255
2SB1457
-28V
R262
+12V
C234 D206
3.3V
104K To analog audio
1.3W IC202
7805
1 3
DAC_5V
IN OUT
C238
470uF/16V GND
C241
C239 C240
220uF/16V
104K 104K
C236
104K
AGND
-12V
OTHERWISE SPECIFIED.
2. CERAMIC CAPACITORS, ARE 50V 10%. UNLESS
OTHERWISE SPECIFIED.
Title
C546 Power
Product Code NACDC546+01CSXX Customer NAD
Size Issue
File A
A2 NACDC546+01CSXX(A) Sheet 5 of 5
GP Electronics (SZ) Limited
D
C
B
A