13
13
ICD-U50/U60/U70
ICD-U50/U60/U70
4-1. BLOCK DIAGRAM
5
IC101
MIC AMP
IC701
SYSTEM CONTROLLER
MIC
901
J101
SP901
(SPEAKER)
Q102
MIC CONTROL
Q101, 103, 104
HP MUTE CONTROL
S701
SEESAW
KEY
S703–705
FUNCTION
KEY
D705
ON
DPC
S707
HOLD
S706
OFF
D704
D703
S702 (REC)
FUNCTION
KEY
ON
OFF
VDD
VDD
R
G
(REC)
(PLAY)
LIQUID
CRYSTAL
DISPLAY
/CS
SCLK
SDA
A0
/RES
D702
VCC
GND
–DATA
+DATA
+2.1V
D501
VDD+2.8V
X701
4.096MHz
IC703
REAL TIME CLOCK
IC702
NAND FLASH MEMORY
IC504
DC-DC CONVERTER
IC501
BOOST CONVERTER
IC503
REG
IC502
REG
Q501
VOLTAGE
CONTROLLER
DRY BATTERY
SIZE "AAA"
(IEC DESIGNATION LR03)
1PCS 1.5V
IC505
CONSUMPTION
VOLTAGE DETECTOR
D504
D502
• Signal Path
: REC
: PB
i
Содержание ICD-U70
Страница 26: ...26 ICD U50 U60 U70 MEMO ...
Страница 34: ...8 8 ICD U50 U60 U70 ICD U50 U60 U70 MEMO ...