![background image](http://html1.mh-extra.com/html/onkyo/se-u55/se-u55_service-manual_1636827017.webp)
SE-U55
PC BOARD VIEW PARTS LIST
CIRCUIT NO. DESCRIPTION
PART NUMBER
D200~D205
1SS352, C-DIODE or
223234R2 or
1SS355, C-DIODE
223269R2
D206
UDZ5.6B, ZENER D
224490560R2
D301
SFPJ-63, DIODE
223271R2
D401~D403
1SS352, C-DIODE or
223234R2 or
1SS355, C-DIODE
223269R2
D404~D406
UDZ3.3B, ZENER D or
224490330R2 or
RD3.3SB2, ZENER D
224370332R2
D701
1SS352, C-DIODE or
223234R2 or
1SS355, C-DIODE
223269R2
D702
UDZ3.3B, ZENER D or
224490330R2 or
RD3.3SB2, ZENER D
224370332R2
D710, D751
1SS352, C-DIODE or
223234R2 or
1SS355, C-DIODE
223269R2
D801, D802
UDZ5.6B, ZENER D
224490560R2
D901~D903
SFPJ-63, DIODE
223271R2
D904
SLR-332MC3F, LED
225332
F801
ICP-S1.0, FUSE
252223R2
F901
ICP-S2.3, FUSE
252226R2
L301, L302
BLM21P221SG, CHOKE COIL 230949R2
L351~L353
BLM21P221SG, CHOKE COIL 230949R2
L355, L356
BLM21P221SG, CHOKE COIL 230949R2
L381~L383
BLM21P221SG, CHOKE COIL 230949R2
L401
NCH-1479, CHOKE COIL
231237K470R2
L402
NSRF-2046, MPX COIL
232136
L501
BLM21B221SB, CHOKE COIL 230947R2
L504, L505
NMBL-003, BLN COIL
233532R2
L506, L516
BLM21P221SG, CHOKE COIL 230949R2
L751~L753
BLM21A102F, CHOKE COIL
230948R2
L754
NCH-1470, CHOKE COIL
231237M015R2
L801, L802
BLM21P221SG, CHOKE COIL 230949R2
L807
NMBL-003, BLN COIL
233532R2
P301
YKB21-5181, JACK
25045579
P302, P303
NPJ-2PDR446, PIN JACK
25045641
P381
YKB21-5182, JACK
25045388
P401
NPJ-2PDO445, PIN JACK
25045640
P801
NSCT-4P2179, SOCKET
25052282
P901
HEC0470-01-630, JACK
25045598
Q200
2SA1162-Y, TR
2214374R2
Q201
2SC2712-Y, TR
2213144R2
Q301
NJM4565M-D, IC
22241383R2
Q352
NJM2140R, IC
22241311R2
Q353~Q354
RN1444-A, TR
2216031R2
Q357
74HC04, IC
222740045R2
Q358
NJM2140R, IC
22241311R2
Q359
NJM2140R, IC
22241311R2
Q381~Q382
RN1444-A, TR
2216031R2
Q383
NJM3414AV, IC
22241469R2
Q384
RN1402, TR
2214470R2
Q385
RN2401, TR
2214520R2
Q386~Q389
RN1444-A, TR
2216031R2
Q401
TDA1373H, IC
22241428R3
Q402
CS8404A, IC
22241429R2
Q701
MB89135L-611, IC
22241557AR2
Q704
M24C16-WMN6T, IC or
22241431R2 or
BR24C16F, IC
22241430R2
Q705
M24C16-WMN6T, IC or
22241431R2 or
BR24C16F, IC
22241430R2
Q706
TC74HCT7007AF, IC
222740077R2TO
Q708
TC74HC4053FP, IC
22241228R2
CIRCUIT NO. DESCRIPTION
PART NUMBER
Q711
RN2401, TR
2214520R2
Q751
UDA1325H, IC
22241312R3
Q752, Q753
TC74HC4053FP, IC
22241228R2
Q754
TC7WU04FU, IC
22240935R2
Q901
SI-3050F, IC
22241561
Q902, Q903
SI-3033LUS, IC
22278033CR2
Q904
M51957BFP, IC
22241239R2
Q905
RN1402, TR
2214470R2
R313, R326
N09RGL50KA20F, VARI R
5112486
R511~R519
BK1608LL241-T, EMIFIL
230959R1
R908
RNU1WCJ-0.33, METAL R
453633394
R914
RNU1WCJ-0.22, METAL R
453632294
S701, S702
NSS-22203, SLIDE SW
25065581
S703
NRSF-224-20U, ROT SW
25030419
U401
TORX178B, PHT CP
24120037
U402
TOTX178A, PHT PARTS
24120031
X401
HC-49U/03 33.8688MHz,
3010325
CRYSTAL
X701
CST4.00MGW, CERA LOCK
3010150
X751
HC-49/U03 48.000MHz,
3010328
CRYSTAL