Waveforms Of Circuit - Sharp HR-MB3 Service Manual

[3] Waveforms of circuit

TL304
LOUT
IC301: 4PIN
DIN
IC301: 5PIN
LRCIN
IC301: 3PIN
BCLK
the time of the AC adapter starting
TL414
HDD 3.3V
IC403 3PIN
EN
(HDD_ON)
TL415
VCC 3.3V
IC404 3PIN
EN
(P-CON)
POWER ON
PLAYBACK
HDD START
TL700
LCD_BL_POW
IC405 4PIN
SH
(LCD_BL_ON)
TL415
VCC 3.3V
IC404 3PIN
EN
(P-CON)
START
TL414
HDD 3.3V
IC403 3PIN
EN
(HDD_ON)
TL415
VCC 3.3V
IC404 3PIN
EN
(P-CON)
Enter or Menu key push time
POWER ON
5 – 2
When it is started.
LCD DISPLAY BEGINNING
At the time of the battery actuation
HDD START
HR-MB3