AVH-P2300DVD/XNUC
36
1
2
3
4
1
2
3
4
C
D
F
A
B
E
VCC33 (= 3.3 V)
5
D
D
V
VCC12 (= 1.2 V)
1 VDD5_1 - DGND1
2 VCC33_1 - DGND1
3 VCC12_1 - DGND1
VDD5_1
DGND1
VCC12_1
VCC33_1
Check 2: Is VDD5 (VCC33, VCC12) power supply voltage OK?
Fig 2.1: Power supply configuration
IC1004
3.3 V output regulator
IC1005
DC/DC converter
1.2 V output
IC1501 DV5U power supply
IC1401 FLASH power supply (Data)
IC1402 FLASH power supply (Program)
IC1481 SDRAM power supply
IC1501 DV5U power supply
<Check> Check the voltage at the “VDD5_1, VCC33_1 and VCC12_1” test point while the power is on.
Use the “DGND1” test point at the reference.
Side A
NO.
Check point
Module No.
Specification value
Unit
Fig 2.2: VDD5, VCC33, VCC12 voltage check points
ALL
ALL
ALL
5.0 ± 0.4
3.3 ± 0.15
1.2 ± 0.12
V
V
V
Содержание AVH-2350DVD
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