Dd Dsp,Dsp Diode & Hn Diode Assys - Pioneer SC-LX90 Service Manual

1
10.67 DD DSP,DSP DIODE & HN DIODE ASSYS
A
CAUTION
FOR CONTINUED PROTECTION AGAINST RISK OF FIRE,
REPLACE ONLY WITH SAME TYPE NO. 491005 FOR IC4305
MFD. BY LITTELFUSE INC.
B
C
CN4301
AC DSP1
1
AC DSP2
2
AC NTWK1
3
AC NTWK2
4
S4B-EH
D
E
F
AT AU
AS
160
1
2
J4301_B J4301_A
1 1
FU4301
2 2
H4302
H4301
3 3
AKR7001
AKR7001
4 4
5 5
6 6
7 7
8 8
ADX7609-
AT
AU
J4351_B J4351_A
FU4351
1 1
H4351 H4352
2 2
AKR7001
AKR7001
3 3
4 4
ADX7608- AWX8958
FU4301 FU4351
REK1148 REK1146
KU
(5A 125V) (2.5A 125V)
2
3
CAUTION
FOR CONTINUED PROTECTION AGAINST RISK OF FIRE,
REPLACE WITH SAME TYPE AND RATINGS OF FUSE.
VCCD
5A/125V
IC4305
AEK7046
R4316
STBY
R4317
STBY
C4345 C4346
2
0.01 0.01
4
1
3
D4301
D5SBA20(B)
AWX8956
DSP DIODE ASSY
HN DIODE ASSY
VCCNW
2
1
4
3
D4351
D3SBA20(B)
SC-09TX
3
4
1
2
3
4
5
6
7
8
C4310
1000p
R4307 R4306
20k 110k
D D
C4312
470p
NETWORK REG
IC4351
LT3430EFE
1 16
GND GND
2 15
SW XSHDN
3 14
VIN SYNC
4 13
VIN NC
5 12
SW FB
6 11
BOOST VC
7 10
NC BIAS
8 9
GND GND
4
DSP REG
IC4301
LTC1735EGN
16
Cosc TG
15
RUN/SS BOOST
14
Ith SW
13
FCB Vin
12
SGND INTVcc
11
Vosence BG
10
SENSE- PGND
9
SENSE+ EXTVcc
D4353
RB050L-4
L4351
33u
ATH1220