Sequence After Power On/0Ff - Pioneer XV-HA5 Service Manual

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7.1.10 SEQUENCE AFTER POWER ON/0FF

1
Power ON
• There are two kinds of Power ON: "Normal Power ON" and "Display Only Power ON".
• Normal Power ON
Power On operated when the Power button or the Play Pause button is pressed during standby
or operated automatically by the timer, etc.
• Display Only Power ON
Power On operated when the button of Remocon : TIMER/CLOCK ADJ. button is pressed during standby.
Power On operated only after various setting or checking of timer setting.
* Power On is disabled for about 3 seconds after Power OFF.
2
Power ON timing chart (PDC125A Power ON sequence)
Normal Power ON
Elapsed time
Internal (Time elapsed
STEP
function after start of
Power ON)
STEP0 sy_ponlowp 0ms
STEP1 sy_pon1 60ms
STEP2 sy_pon2
90ms
240ms
STEP3 sy_pon3
310ms
450ms
570ms
STEP4 sy_pon4
600ms
STEP5 sy_pon5 1590ms
STEP6 sy_pon6 1980ms
STEP7 sy_pon7 2100ms
2130ms
STEP8 sy_pon8
5080ms
5
6
Contents of Control
Start of Power ON
Start of power supply to LCD driver, etc.
Start of power supply to DVD in DVD function
Start of data transfer of FUNCTION IC
initialization
Start of data transfer of LCD driver
Start of communication control in TX function
Cancel of DVD Reset
Start of BUS communication
Start of LCD display
Start of data transfer of VOLUME IC
initialization
Cancel of Rejection of all buttons
Cancel of Mute
XV-HA5
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7
Major control terminal
→
SYSPOW(41P) L H
→
SYSPOW2(92P) L H
→
DVD ON/OFF(1P) L H
Start of SEL_DATA(47P) communication control
Start of SEL_CLK(48P) communication control
Start of LCDDAT(26P) communication control
Start of LCDCS(27P) communication control
Start of LCDCLK(28P) communication control
Start of TXCE(57P) communication control
Start of TXCLK(61P) communication control
Start of TXIDATA(66P) communication control
Start of TXODATA(62P) communication control
→
XDVDRST(93P) L H
Start of SDATA(23P) communication control
Start of MDATA(24P) communication control
Start of SCLK(25P) communication control
Start of SYSCS1(30P) communication control
→
XLCDRST(36P) L H
Start of VOLCLK(46P) communication control
Start of VOLDATA/CE (45P) communication
control
→
XHPMUTE(31P) L H
→
XSYSMUTE(38P) L H
→
XHPMUTE2(33P) L H
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A
B
C
D
E
F
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