Pioneer XV-E51 - Troubleshooting Common Issues; Power and Indicator Troubleshooting; Audio;Video Output Troubleshooting

XV-EV51
91
5 678
56
7
8
C
D
F
A
B
E
7.1.3 TRUBLE SHOOTNG
Confirm the error history at first.
When a history was not displayed, refer to the following table.
No. Symptoms Diagnosis Contents
Defectiveness Assumption
Points
1
Cannot power on
Check Voltage of CN8901-17pin(VE+56) on the AF assy. M-EV51(21) , system cable
connection
Check the stand by indicator. If the indicator brinking ,
the protect circuit working. (Stand by indicator brinking)
AMP PROTECT , DVD POWER
SUPPLY
Check IC5501-4pin(AC PULSE).
M-EV51(21) , system cable
connection
Check IC5501-12pin,13pin (CF1,CF2)
U-COM
2
Standby indicator brinking
(DVD ERR)
Check IC5501-17pin(VDET) is 3.5V
1.Connection of DVDIF assy & IF
assy.
Check FAN connect in M-EV51(21).
M-EV51(21) , system cable
connection
Check IC3301,IC3401 in AMP module.
Check connection AF assy & IF assy. AF ASSY & IF ASSY
Check signal waveform of CN8751 1,3,5,7,9,11pin
(C,SW,LS,RS,FL,FR) at DOLBY PROLOGIC mode.
Check signal waveform at CN8701-all pin.,
CN8751-13,15pin(ANAL,ANAR)
DSP ASSY
IF assy & DVD IF assy
connection.
DVD IF ASSY
Are the signals output from IC11-pin 9, 8 and 7 on the FLKB Assy ?
(around 0-3V)
4
Standby indicator brinking
(AMP ERR)
2.DVD power supply,
3.M-EV51(21) POWER SUPPLY
Check FAN connect in M-EV51(21).
M-EV51(21) , system cable
connection
M-EV51(21) , system cable
connection
3
Audio is not out put
AF ASSY
VIDEO no out put