Akai MX-550 Service Manual page 28

3. P.C BOARD BLK
Ref.No. Part No. Description
MAIN AMP P.C BOARD
POWER SUPPLY P.C BOARD
BALANCE VR P.C BOARD
MAIN VR P.C BOARD
PHONE/SUR P.C BOARD
POWER SW P.C BOARD
LED P.C BOARD
© MAIN P.C BOARD
¢ OPERATION P.C BOARD
4. MAIN ANP P.C BOARD
Ref.No. Part No. Description
C83A EC-383075J
CEC V CUT SME 332M 35.0DC
[550]
C83B
EC-394535J CEC V CUT SME 332M 45.0DC
{650}
C84A EC-383075J
CEC V CUT SME 332M 35.00C
[550]
C84B
EC-3945355 CEC V CUT SME 332M 45.0DC
[650]
D1 *ED-394708J
D SILICON RBA402 200/4.0A
D2 ED-511907 D SILICON 1N4002 100/1.0A
D3
ED-511907 D SILICON 1N4002 100/1.0A
D4 ED-307572 D SILICON H 188131
DS ED-388320J D ZENER H HZS12B3L
D6 ED-307572 D SILICON H 188131
D7 ED-307572 D SILICON H 188131
D8 ED-511907 D SILICON 1N4002 100/1.0A
FR1 *%*ER-331188 R FUSE H S10 ERD2FC 1/4W 8R2J
FR2 *ER-408716J
R FUSE V T05 ERD2FCV 1/4W56R0G
ICTA *EI-394709J IC STK4142-2
[550]
iC1B **EI-358554 IC STK4152i1
[650]
u1 EO-337880 COIL FIX 2 202AK-018 2R2K
L2 E0-337880 COIL FIX 2 202AK-018 2R2K
R9 ER-397193J R OMF V TO5 FS 1W 1000
R10 ER-397193J
R OMF V TO5 FS 1W 100J
R59 ER-397193J R OMF V TOS FS 1W 100J
R60 ER-397193J R OMF V TOS FS 1W 100J
TRI ET-354365 TR DTC114YS
TR2 ET-375983 TR DTA124TS
F201A *EF-364518 FUSE BET T 250V 2.50A
[550]
F201B *EF-359225 FUSE BET T 250V 3.15A
[650)
F202A *%*EF-364518 FUSE BET T 250V 2.50A
[550]
F202B *EF-359225 FUSE BET T 250V 3.15A
[650]
F203A **EF-359225 FUSE BET T 250V 3.15A
[550]
F203B *EF-359086 FUSE BET T 250V 4.09A
[650]
F204A **EF-359225 FUSE BET T 250V 3.15A
[550]
F204B *EF-359086 FUSE BET T 250V 4.00A
[650}
5. POWER SUPPLY P.C BOARD
Ref.No. Part No.
C201 EC-363491
C203 EC-363491
C251 **EC-38941 4)
D201 *ED-511907
D202 *%*ED-511907
D203 %*ED-511907
D204 **ED-511907
D205 *kED-511907
D206 **ED-511907
D207 ED-388320J
D208 ED-3883205
D209 ED-388320J
D210 ED-400171J
D211 ED-400171J
D214 ED-307572
D215 ED-511907
D216 ED-511907
FR208 **ER-401042J
J6 EJ-408717J
L203 EO-338409
TM201 EJ-408698J
TR201 ET-348302
TR202 *ET-366581
TR203 ET-397160J
TR204 *ET-373025
Description
C EC V CUT SME 222M 25.006
C EC V CUT SME 222M 25.0DC
C CE V DE7 B102K 400AC
D SILICON 1N4002 100/1.0A
D SILICON 1N4002 100/1.0A
D SILICON 1N4002 100/1.0A
D SILICON 1N4002 100/1.0A
D SILICON 1N4002 100/1.0A
D SILICON 1N4002 100/1.0A
D ZENER H HZS12B3L
D ZENER H HZS12B31
D ZENER H HZS12B31.
D ZENER H HZS6C2L
D ZENER H HZS6C2L
D SILICON H 188131
D SILICON 1N4002 100/1.0A
D SILICON 1N4002 100/1.0A -
R FUSE V TOS ERD2FCV 1/4W33RO0G
SOCKET CFG1115-0121 RED 15P
COIL LF FKOB160MHO02 250UH
TERMINAL PUSH LQR0810-0006 8P
[SP TERMINAL]
TR FET 2SK381 C.D F05
TR 2SD1762 EF
TR 2SC3330 F.S,7,u,v
TR 28D1944 J1,J2k
Ref.No.
TR205
TR206
TR207
TR208
TR209
TR210
TR211
FIA
FiB
F2A
F2B
F101
F102
F103
F104
Part No.
ET-397160J
*ET-352726
ET-353899
ET-366581
ET-397160J
ET-354365
*ET-366581
**EF-359007
*EF-601964
*EF-359007
*EF-601964
*EF-601964
*EF-601964
*EF-358974
%EF-358974
Description
TR 28C3330 R.S,T,U,V
TR 28A1392 T,U
TR 2SA1317 S,T.U
TR 2SD1762 EF
TR 2SC3330 R.S,7,U,V
TRDTC114YS
TR 28D1762 EF
FUSE BET T 250V 1.254
[U,B.S} [550]
FUSE SEMKO T 250V 1.60A
[U,B,S] [650]
FUSE BET T 250V 1.254
{U] [550]
FUSE SEMKO T 250V 1.60A
[U} [650]
FUSE SEMKO T 250V 1.60A
FUSE SEMKO T 250V 1.60A
FUSE BET T 250V 630MA
FUSE BET T 250V 630MA
6. BALANCE VR P.C BOARD
Ref.No. Part No. Description
TR301 ET-354365 TR DTC114YS
TR302 ET-353899 TR 2SA1317 STU
TR303 ET-353899 TR 28A1317 S,T,U
TR304 ET-397160J TR 28C3330 R,S,T,U,V
TR305 ET-397160J TR 2SC3330 R,S,T,U,V
VR301 EV-408707J VR ROTARY RK11K1140 SP W104
[BALANCE VR]
7. MAIN VR P.C BOARD
Ref.No. Part No. Description
VR401 EV-408811J VR SPL RK16EUWMZ1 B104X2
[MAIN VR]
8. PHONE/SUR P.C BOARD
Ref.No. Part No. Description
J501 EJ-394455) PHONE J 3P YKB21-5006 6.3
R501 ER-397194J R OMF V TO5 FS 1W 331J
R502 ER-397194J R OMF V T05 FS 1W 331J
$w5s501 ES-408695J SW PUSH SPUL12 2-02-02N
[SURROUND SW]
9. POWER SW P.C BOARD
Ref.No. Part No.
TS601 ES-408703J
10. LED P.C BOARD
Ref.No. Part No.
D701 ED-394509
Description
SW TACT EVQ 233 05R TO5
[POWER SW]
Description
D LED GL3HY43 ORANGE
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