14
PD-30-K
1
2
3
4
A
B
C
D
E
F
1
2
3
4
DIGITAL OUT is not output by DIGITAL OUT
(OPTICAL)
Yes
DIGITAL OUT is not output by
DIGITAL OUT (OPTICAL)
Is the voltage of OS7001
pin 2 about 3.3
V
?
Is waveform of OS7001
pin 1 3.3
V
?
N
o
Check the
V
+3 of regulator
block J.
N
o
See "DIGITAL OUT is not output
by DIGITAL OUT (COAXIAL) at
the CD playback".
Yes
Replace the OS7001.
Yes
Replace the IC4001.
USB does not playbak
Yes
Is the voltage of CP652
pin 1 about DC 5
V
?
OPERATIO
N
and MAI
N
PCB Assy connected?
N
o
Check the IC654 pin 2 to 4 and
around circuits.
Are the voltages of IC6602
pins 1, 7 about 3.3
V
?
N
o
Check the Q6602, Q6603, IC3001
and around circuits.
Check connection.
N
o
Yes
Sound (ANALOG OUT) is not output by Analog out
terminals at playback
Yes
Sound (A
N
ALOG OUT) is not output
by Analog out terminals at playback
Is the signal output by
IC7302/IC7303 pin 1?
Are the waveforms of
IC7301 pins 10, 11, 20, 21
output?
Is the voltage of IC7302
pin
8
about 15
V
?
Is the voltage of IC703/IC7302
pin 4 about -15
V
?
N
o
Check the Q730
8
/Q7312/Q7304
/Q7311 and around circuits.
N
o
Check the
V
;15A,
V
-15A lines of
AUDIO PO
W
ER.
N
o
Yes
Check the IC7301 and around
circuits.
Yes
Check the IC7301/IC7303 and
around circuits.
USB does not playbak
Yes
Check the IC6601 and
around circuits.
iPod does not playbak (PD-30 only)
Yes
Is the voltage of CP652
pin 1 about DC 5
V
?
OPERATIO
N
and MAI
N
PCB Assy connected?
N
o
Check the IC654 pin 2 to 4 and
around circuits.
Is the voltage of IC6602 pin 1
about 3.3
V
?
Is the voltage of IC6602 pin 7
about 0
V
?
N
o
Check the voltages of Q6602,
Q6603, IC3001.
Check connection.
N
o
Yes
iPod does not playbak