21
SX-20-K
5
6
7
8
5
6
7
8
A
B
C
D
E
F
Yes
Yes
Yes
• REM401 is defective or its solder is defective.
• Connection of CN403, CP403, CN402, CP402
are defective or those solders are defective.
Remote control unit does not work.
Does a sound come
out from SACD/CD input?
No
No
No
See "Speaker_A No Sound".
Remote control unit does not work.
I
Is there signal in RMC?
(Check the R270.)
Is there signal in RMC
on FRONT Assy?
(Check the FPC400 pin 14
on FRONT Assy side B.)
[Product state]
• Power cord connection (230 V/50 Hz)
• Unit POWER SW: ON
• Power ON operation by remote control
• SPEAKER-A selection
• INPUT: SACD/CD
IC101 is defective or its solder is
defective.
• FPC101 or FPC400 solder is defective.
• Connection between FPC101 - FPC400 is defective.
Summary of Contents for SX-20-K
Page 7: ...7 SX 20 K 5 6 7 8 5 6 7 8 A B C D E F ...
Page 11: ...11 SX 20 K 5 6 7 8 5 6 7 8 A B C D E F IC502 IC503 IC301 ...
Page 32: ...32 SX 20 K 1 2 3 4 A B C D E F 1 2 3 4 Pin Function ...
Page 47: ...47 SX 20 K 5 6 7 8 5 6 7 8 A B C D E F 1 x9 x5 x3 x3 x5 x6 x6 x5 x2 x15 x2 x2 x2 x4 x4 A A A ...