21-Smps - Marantz NR1506 /U1B Service Manual

1 2 3
A
B
¡Ø FUSE OPTION
C ¡Ø LINE_FILTER OPTION
U1B N1SG, N1B, K1B
F4140 F4141 F4140 F4141 R_NO
T2AL T6.3AL T1.6AL T3.15AL L4140
BLACK
D
WHITE
BKT4141
CHASSIS GND
E
F
G
TO POWER TRANS
H
J
K
L
M
GND LINE POWER+ LINE POWER- LINE ANALOG AUDIO
1 2 3
4 5 6 7
NR1506 SMPS B'D
U1B N1SG, N1B, K1B
27mH 50mH
OPTION
OPTION
¡Ü ¡Ü
¡Ü ¡Ü
OPTION
¡Ø OPTION TABLE
ZD4160 ZD4147 ZD4148 ZD4149
U1B ZJ7.5B ZJ39B ZJ39B ZJ39B
N1B/K1B
ZJ15B OPEN OPEN OPEN
DIGITAL AUDIO TMDS SIGNAL VIDEO SIGANL COMPONENT (Y)
4 5 6 7
8 9 10
OPTION
T4140
EE2525
OPTION
OPTION
IC4140
IC_TOP268VG
C4151 C4156
R4148 R4149 R4150 R4147 R4152
100/200 2200P/250V
2M2 (5) 2M2 (5) 1M (5) 270K 10K
3300P/250V
100/400
OPEN OPEN OPEN 56K 20K
8 9 10
117
11 12 13
SMPS_REG_FCNT 1/3
1 3
2
BKT4142
SCHEMATIC DIAGRAMS (21/23)

21-SMPS

11 12 13
14 15 16
A
B
C
D
E
F
CN4141
RESETOUT
D5.2V
D5.2V
TO HDMI B'D
DGND
DGND
G
MAINPOWER
TO N1021
H
J
K
L
M
14 15 16