Oscillator, Dividing And Multiply Map; Power Control Flow - Sharp VN-EZ1U Service Manual

VN-EZl U
7. OSCILLATOR, DIVIDING AND MULTIPLY MAP
CCDICDSIAD
12.2727
MHz
ASIC
[ 0sE-j
I I
443s -f
I I
l/2 l/7 x3 l/70
l/3068
D&K P&K
CL P_SCNC D&K
I
+
4 4 +
DSP 't
I
73.6362
MHz
Microcomputel
3.506486
MHz
8. POWER CONTROL FLOW
ON
I
0.8s 10.6s 1
power SW
I
Unless pressed 0.5 see or more,
it will not be turned on. (Prevention of wrong operation)
PCNTl
I
DC-DC converter ON (Microcomputer ON)
PCNT2
I
Circuit ON
BLCNT
I
Back light is lit.
When battery lid is opened, it will be turned off here.
SD-RAM
I I
DC-DC
73.6362 350kHz
X801
TFT control
IR3R29M I
Terminal name Battery(V)
Measurement terminal
PCONTI
3.3 CN906-10 TL949
PCONT2
3.3 CN906-13 TL952
BLCNT(normal)
3.3 CN906-30 TL973
+5V (CCD)
+I
5V (CCD)
-9V (CCD)
+B (Audio)
+3.3V (MEDIA)
5 CN906-1 TL917
15 CN906-2 TL921
-9 CN906-3 TL925
6
CN906-4 TL929
3.3 CN906-5 TL933
+3.3V (RTC)
3.3 CN906-6 TL937
+3.3V(LSI) 3.3
CN906-7
TL941
+2.5V (LSI)
2.5 CN906-8 TL944
+2.5V (LSI) 2.5
CN906-9
TL945
-15V (TFT)
-15 CN907-7 TL975
+7.5V (TFT)
7.5 CN907-8 TL979
+I 5V (TFT) 15 CN907-9 TL983
+5V (TFT)
5 CN907-IO TL987
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