Technics SE-CH530 - Page 10

SE-CH530 |
2. Checking for the main P.C.B.
Ap ©
[RHD30007-K1] (Black)
() OD ©
[XTBS3+10JFZ1] (Black)
Remove the cabinet.
(OD
[XTB3+20JFZ] (Black)
(s)D ©
[XTB3+10JFZ] (Black)
¢ Check the main P.C.B. as shown below.
Connect the
lead wire.
aetha
ane
Raise the main P.C.B.
GND plate
Main P.C.B.
Mi Main Component Replacement Procedures
1. Replacement for the power IC and regulator .
transistor
,
When mounting the power IC or regulator transistor, apply
¢ Follow the item 2 (259 ~ GE ) checking procedures ie or eauieey an se COR) to the rear side of power
for each P.C.B..
Power IC(iC501)
[SVI3101D]
Regulator
transistor(Q702)
(2SB1548PQAU]
Connector
(CN703-1/
CN703-2)
Connector
(CN501-1/
CN501-2/
fo
CN501-3) seg Regulator
iA transistor(Q701)
(CN502-1)
:
[2SD2374PQA
U]
BS} (7)
Remove
the
flat
cables
from
connectors.
Unsolder
the
terminals
of power IC and regulator
[XTW3+15T] transistors.
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