Front P.c Board; Main P.c.board; Final Assembly - Akai MX-550 Service Manual

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3. P.C BOARD BLOCK
Ref.No. Part No. Description
1 BA-P2069T030A ML PC (#) CD BLK CD-650/ML
PC (#) CD BLK CONSISTS OF FOLLOWING P.C BOARD.
© MAIN P.C BOARD
e FRONT P.C BOARD
4. MAIN P.C BOARD
Ref.No. Part No. Description
D1 *ED-511907 D SILICON 1N4002 100/1.0A
D2 *ED-511907 D SILICON 1N4002 100/1.0A
D3 *ED-511907 D SILICON 1N4002 100/1.0A
D4 *ED-511907 D SILICON 1N4002 100/1.0A
D5 *ED-511907 D SILICON 1N4002 100/1.0A
D6 %*ED-511907 D SILICON 1N4002 100/1.0A
D7 *ED-400171J D ZENER H HZS6C2L
ip)e) %*ED-400171J © DZENERHHZS6C2L
D111 ED-307572 D SILICON H 1SS131
D12 ED-307572 D SILICON H 18S131
D13 ED-307572 D SILICON H 188131
D14 EO-403743J D ZENER H HZS6B3
015 ED-400171J D ZENER H HZS6C2L
D16 ED-408721J D ZENER H HZS2B3
D17 ED-408720J D ZENER H HZS3C1
D18 ED-408719J D ZENER H HZS4C2
D19 ED-307572 D SILICON H 18S131
D20 ED-307572 D SILICON H 188131
1B1 EH-404307J COMP R RGLE13X 223J
IB2 EH-408654J COMP R RGLE10T 223J
IB3 EH-408656J COMP R RGLE6X 472J
IC1 El-40865751 IC M38002M4-126SP MXA1CD2
Ic2 El-390120J IC CXA1082BS
IC3 El-390112J IC CXA1081S
IC4 El-403497J IC CXD1167Q
ICS El-408658J IC PCM67U
IC6 El-393325J IC M5218AP
IC7 El-213390 IC NUM4558D
Ic8 El-3879385 IC HD74LSO05P
Ic9 El-389264J IC BA6209N
IC10 El-330352 IC BA6109
J4 EJ-408660J SOCKET CFG1111-0161 BLUE 11P
R50 *ER-394882J R OMF V T05 FS 1/2W 1R2J
R53 *ER-394882J R OMF V T05 FS 1/2W 1R2J
TR1 *ET-397160J TR 2803330 R,S,T,U,V
TR2 ¥*ET-396072J TR 2SD2159 V,W
TR3 *ET-396072J TR 2SD2159 V,W
TR4 ET-396072J TR 2SD2159 V,\W
TR5 ET-353899 TR 2SA1317 S,T,U
TR6 *ET-388338J TR 28B1425 SE
TR7 ET-353899 TR 28A1317 S,T,U
TR8 ET-397160J TR 28C3330 R,S,T,U,V
TRO ET-360399 TR DTC114TS
TR10 ET-354365 TR DTC114YS
TR14 ET-397160J TR 2SC3330 R,S,T,U,V
TR12 ET-397160J TR 2SC3330 R,S,T,U,V
TR1I3 ET-397160J TR 2SC3330 R,S,T,U,V
TR14 ET-360399 TR DTC114TS
TR1I5 ET-360399 TRDOTC114TS
TR1I6 ET-354371 TR DTC124ES
TRI7 ET-354364 TR DTC143TS
TR18 ET-354364 TR DTC143TS
TRI9 ET-369248 TR DTA114YS
TR21 ET-379239 TR 28D1380 Q,R
TR22 ET-388338J TR 28B1425 SE
TR23, ET-379239 TR 2SD1380 Q,R
TR24 ET-394919J TR 2SB1329 Q,R TOS
TR25 ET-396072J TR 2SD2159 V,\W
TR26 ET-388338J TR 2SB1425 SE
TR27 ET-396072J TR 2SD2159 V,|W
TR28 ET-388338J TR 2SB1425 SE
TR29 ET-354365 TR OTC114YS
TR30 ET-354365 TR DTC114YS
TR31 ET-354365 TR DTC114YS
Ref.No. Part No. Description
VR4 EV-358829 R S-FIX H RHO615C 0.10W 223
VR5 EV-356576 R S-FIX H RHO615C 0.10W 472
x1 El-381139J OSC X'TAL HC-49/U 16934.400KHZ
X2 El-390149J OSC CE CST4.23MGW 4.230MHZ
5. FRONT P.C BOARD
Ref.No. Part No. Description
D201 ED-408651J D LED SEL2913K ORANGE
D202 ED-408651J D LED SEL2913K ORANGE
D203 ED-408651J D LED SEL2913K ORANGE
TS201 ES-394427J SW TACT SOR-133HS T05
TS202 ES-3944275 SW TACT SOR-133HS T05
TS203 ES-394427J SW TACT SOR-133HS T05
TS204 ES-394427J SW TACT SOR-133HS TO5
TS205 ES-394427J SW TACT SOR-133HS T05
TS206 ES-394427J SW TACT SOR-133HS TO5
TS207 ES-394427J SW TACT SOR-133HS T05
TS208 ES-394427J SW TACT SOR-133HS T05
TS209 ES-394427J SW TACT SOR-133HS T05
TS210 ES-3944275 SW TACT SOR-133HS T05
6. FINAL ASSEMBLY
Ref.No. Part No. Description
1 SA-394136M CUSHION FOOT (SG)
2 SA-407840M CUSHION FOOT REAR (SG)
3 SP-408018M PANEL FRONT (SG)
4 SZ-407871M RING FOOT (A) (SG)
5 SB-408020M BUTTON OP (SG)
6 SB-408021M BUTTON OPEN (SG)
7 ZS-331182 BT BID3OXO8STL BNI
8 ZS-366385 T2BR30X08STL BNI PROJECTION
9 SP-408022M COVER UPPER (SG)
10 SP-408023M COVER TRAY (SG)
NOTE:
Parts will not be supplied if they are not listed in the parts
list, even if they appear on the assembling illustrations
with reference No.
44