28-Smps - Marantz NR1605/U1B Service Manual

1 2 3
A
B
C
D
BKT4141
CHASSIS GND
E
F
G
TO POWER TRANS
H
¡Ø FUSE OPTION
U1B
F4140
NR1605 T2AL
¡Ø LINE_FILTER OPTION
J
U1B
L4140
27mH
NR1605
K
L
M
GND LINE POWER+ LINE POWER- LINE
ANALOG AUDIO
1
2 3
4 5 6
NR1605 SMPS B'D
OPTION
¡Ü ¡Ü
¡Ü ¡Ü
OPTION
OPTION
¡Ø OPTION TABLE
FB N1SG, N1B
ZD4160 ZD4147 ZD4148 ZD4149
F4141 F4140 F4141 F4140 F4141 U1B ZJ5.6B ZJ39B ZJ39B ZJ39B
T6.3AL T2AL T6.3AL T1.6AL T3.15AL N1B ZJ15B OPEN OPEN OPEN
FB ZJ5.1B ZJ39B ZJ39B ZJ39B
FB N1SG, N1B
L4140 L4140
27mH
50mH
DIGITAL AUDIO TMDS SIGNAL VIDEO SIGNAL
4 5 6
7 8 9 10
OPTION OPTION
OPTION
OPTION
R4148 R4149 R4150 R4147 C4148 C4149 C4151 D4147
2M2 (5) 2M2 (5) 1M (5) 270K OPEN OPEN 100/200 1N4007
OPEN OPEN OPEN 56K 0.01 0.01 100/400 AP01C
2M2 (5) 2M2 (5) 1M (5) 270K OPEN OPEN 100/200 1N4007
COMPONENT(Y)
7 8 9 10
136
11 12 13
SMPS_REG_FCNT 1/3
¡Ü
¡Ü ¡Ü
¡Ü
BKT4142
SCHEMATIC DIAGRAMS (28/30)

28-SMPS

11 12 13
14 15 16
A
B
C
D
E
F
CN4141
TO N1029
D5.2V
D5.2V
DGND
DGND
MAINPOWER
G
H
J
K
L
M
14 15 16