17
XDJ-R1
5
6
7
8
5
6
7
8
A
B
C
D
E
F
[6] Jog rotation can not be detected
Symptom:
Jog rotation is fault.
Diagnostic procedure:
1. Check waveform for jog rotation circuit, you confirm CD Assy is correct.
2. CD Assy Q100 C pin (CH1) and Q101 C pin (CH2) is figure (
W
aveform ).
3. If
W
aveform is abnormal, you could change it.
[7] Jog touch can not be detected
Symptom:
Jog touch is fault.
Diagnostic procedure:
1. Check waveform for jog touch circuit, you confirm it is correct.
2. Check
W
aveform that CD Assy C113 positive to ground, if
W
aveform is abnormal.
3.
W
aveform without touch condition is figure (
W
aveform ).
4.
W
aveform for touch is figure (
W
aveform ).
[8] Disc can not be inserted or Ejected
Symptom:
CD DECK is fault.
Diagnostic procedure:
1. Check waveform for SER
V
O Assy IC103 pin 7 LMA (CH1), pin 9 LMB (CH2), you confirm SER
V
O Assy is correct.
IC103 pin 7LMA (CH1) and pin 9 LMB (CH2)
W
aveform for insert disc is figure (
W
aveform ).
IC103 pin 7LMA (CH1) and pin 9 LMB (CH2)
W
aveform for eject disc is figure (
W
aveform ).
2. Check SER
V
O Assy C
N
102A pins 9 to 12 for CLS
W
(CH2)/OPS
W
(CH3)/DISC S
W
1 (CH1)/DISC S
W
2 (CH4).
C
N
102A pin 12 CLS
W
(CH2), pin 11 PS
W
(CH3), pin 9 DISC S
W
1 (CH1), pin 10 DISC S
W
2 (CH4) waveform
for no disc is figure (
W
aveform ).
C
N
102A pin 12 CLS
W
(CH2), pin 11 PS
W
(CH3), pin 9 DISC S
W
1 (CH1), pin 10 DISC S
W
2 (CH4) waveform
for eject disc is figure (
W
aveform ).
C
N
102A pin 12 CLS
W
(CH2), pin 11 PS
W
(CH3), pin 9 DISC S
W
1 (CH1), pin 10 DISC S
W
2 (CH4) waveform
for insert disc is figure (
W
aveform ).
3. If
W
aveform is abnormal, you could change it.
6-1
[5] DECK, PHONO/LINE selector switch can not work
Symptom:
DECK, PHO
N
O/LI
N
E selector switch is fault.
Diagnostic procedure:
1. Check waveform for DECK, PHO
N
O/LI
N
E selector switch, you confirm switch out is correct.
MIXER Assy C207 (CH1 S
W
) and C220 (CH2 S
W
) that positive to ground is switch out.
W
aveform for switch on is figure (
W
aveform ).
W
aveform for switch off is figure (
W
aveform ).
2. If
W
aveform is abnormal, you could change it.
5-2
5-1
7-1
8-1
8-2
8-3
8-4
8-5
7-2
[9] Spindle motor does not rotate
Symptom:
CD DECK is fault.
Diagnostic procedure:
1. Check waveform for SER
V
O Assy IC102 pin 1 (SP-), 2 (SP+), you confirm it is correct.
W
aveform for spindle motor is figure (
W
aveform ).
2. If
W
aveform is abnormal, you could change it.
[10] No sound input/output from USB
Symptom:
The USB audio not activated.
Diagnostic procedure:
1. Check
W
aveform for I/O Assy IC400 pin 35 (LRCK)(
W
aveform ), pin 34 (BCK)(
W
aveform ),
pin 44 (MCLKO)(
W
aveform ), you confirm it is correct.
2. If
W
aveform is abnormal, you could change it.
9-1
10-1
10-2
10-3