18
SX-20-K
1
2
3
4
A
B
C
D
E
F
1
2
3
4
Is H/P_RLY High?
(Check the J107 H/P_RLY.)
Yes
Yes
No IC101 is defective or its solder is
defective.
No R343L or R343R is defective or its
solder is defective.
Yes
• RLY301 is defective or its solder is defective.
• Q313 is defective or its solder is defective.
• Connection of CP301 is defective.
• JACK401 is defective or its solder is defective.
Phones No sound
[Product state]
• Power cord connection (230 V/50 Hz)
• Unit POWER SW: ON
• Power ON operation by remote control
• INPUT: SACD/CD
Does a sound come
out from Speaker_A?
No
See "Speaker_A No Sound".
A sound does not come out
from phones.
I
Is there signal in
RLY303?
(Check the R343L/R.)
Yes
Yes
No • JACK102 solder is defective.
• C106L or C106R solder is defective.
IC605 is defective or communication
defective or its solder is defective.
NETWORK No sound
Does a sound come
out from SACD/CD input?
No
See "Speaker_A No Sound".
A sound does not come out
from NETWORK input.
I
Is there signal in
IC605 pin 2/pin 31?
(Check the C106L/R + pin.)
[Product state]
• Power cord connection (230 V/50 Hz)
• Unit POWER SW: ON
• Power ON operation by remote control
• SPEAKER-A selection
• INPUT: NETWORK
Yes
Yes
No • JACK101 solder is defective.
• C109L or C109R solder is defective.
IC605 is defective or communication
defective or its solder is defective.
RECODER IN No sound
Does a sound come
out from SACD/CD input?
No
See "Speaker_A No Sound".
A sound does not come out
from RECODER input.
I
Is there signal in
IC605 pin 3/pin 30?
(Check the C109L/R + pin.)
[Product state]
• Power cord connection (230 V/50 Hz)
• Unit POWER SW: ON
• Power ON operation by remote control
• SPEAKER-A selection
• INPUT: RECODER IN
Содержание SX-20-K
Страница 7: ...7 SX 20 K 5 6 7 8 5 6 7 8 A B C D E F ...
Страница 11: ...11 SX 20 K 5 6 7 8 5 6 7 8 A B C D E F IC502 IC503 IC301 ...
Страница 32: ...32 SX 20 K 1 2 3 4 A B C D E F 1 2 3 4 Pin Function ...
Страница 46: ...46 SX 20 K 1 2 3 4 A B C D E F 1 2 3 4 9 2 EXTERIOR SECTION 1 x9 x3 x3 x2 x2 x2 x2 x4 B C E F G D ...
Страница 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 ...
Страница 49: ...49 SX 20 K 5 6 7 8 5 6 7 8 A B C D E F ...
Страница 59: ...59 SX 20 K 5 6 7 8 5 6 7 8 A B C D E F A SIDE B CP501 CP301 CP504 CP602 CP503B CP503A IC301 Q300 ...