Pioneer TRAKTOR PRO CDJ-350, Руководство по обслуживанию

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CDJ-350
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10.10 VOLTAGES
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output level check
Name
Point to be
checked
Normal voltage level
Possible defective point
when a voltage error is generated
STANDBY mode
(while
u
is lit in red)
V +7R6M 7.22 to 7.98 V
• SMPS Assy
• MAI
N Assy
SER V O
• DRI V E Assy
OFF
V +5E V 4.75 to 5.25 V
• SMPS Assy
• P
N LB Assy
PA N EL CPU(IC501)
SW
O N
V +7R6DCDC 7.22 to 7.98 V
• SMPS Assy
• MAI
N Assy
MAI N CPU(IC103)
SER V O DSP(IC201)
AUDIO DSP(IC301)
• P
N LB Assy
FL V 501
JOG
LED
USB-A
OFF
V FDP32 29.12 to 34.88 V
• SMPS Assy
• P
N LB Assy
FL
OFF
V -7R6A -7.22 to -7.98 V
• SMPS Assy
• MAI
N Assy
AUDIO/MUTE
OFF
V +7R6A 7.22 to 7.98 V
• SMPS Assy
• MAI
N Assy
AUDIO/MUTE
OFF
Checking the voltage levels inside the various Assys
*It is assumed that the SMPS Assy output level is normal.
Name Point to be checked Normal voltage level Possible defective part
V +5R6 5.53 to 5.87 V IC409
V +3R3 3.2 to 3.4 V IC401
V +1R2 1.19 to 1.21 V
IC404
R426, R427
V +3R3A 3.27 to 3.33 V IC402
V +1R25 1.24 to 1.26 V
IC403
R421, R422
V +5R6M 5.54 to 5.66 V IC206
V +3R3S 3.27 to 3.33 V IC408
V REF1R65 1.57 to 1.73 V IC201, IC408
V +5A 4.95 to 5.05 V IC406
V -AUDIO 7.22 to 7.98 V SMPS Assy
*It is assumed that the SMPS Assy output level is normal.
Name Point to be checked Normal voltage level Possible defective part
FL V H 28.8 to 35.2 V Q502
FL V DD 4.5 to 5.5 V D522
FL F+ 5.54 to 5.66 V
V +5R6 power supply circuit
(periphery of IC409)
FL F- 1.98 to 2.42 V Q518, Q517
USB V BUS 4.75 to 5.25 V IC505, IC504
V +5SW 4.65 to 5.35 V D520
PNLB ASSY
E
MAIN ASSY
C
SMPS ASSY
H