Diagnosis; Power On Sequence - Pioneer XW-NAV1-K Service Manual

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5. DIAGNOSIS

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5.1 POWER ON SEQUENCE

Flow chart from power on to the picture output
DVD/USB
TE
L 13942296513
Analog SW
Change DVD
DVD_POWER ON
[DVD IC]
Accesses flash
ROM, SDRAM(part)
The opening picture
appears
[DVD IC]
Accesses 64M SDRAM
(Remaining part)
DVD/USB?
DVD
www
Disc detection
(Focus control)
.
Spindle turn
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[SUB U-CON]
READ EEPROM
SYS_POWER ON
FL initialization
Sound AMP initialization
TUNER
Analog SW
Change TUNER
FM TUNER initialization
Tuning Last CH
Sound MUTE OFF
USB
USB Load
x ao u163
y
Menu appear
i
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2 9
8
AC ON
STANDBY
Power on
operation a user,
or TIMER
LAST Function?
iPod
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3 6 7 1 3 1 5
Analog SW
Change iPod
Negotiations iPod
Sound MUTE OFF
Read Disc information
code
co
Disc Identification
.
The picture appear
XW-NAV1-K
7
8
9 4 2 8
AUX
0 5 8 2 9 9 4 2 8
Analog SW
Change AUX
Sound MUTE OFF
m
8
9 9
A
B
C
9 9
D
E
F
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