PRS-505
PRS-505
14
14
S873
VOL
−
S874
VOL +
SUB CPU
IC801
KEY
FLEXIBLE
BOARD
KEY_OUT0 –
KEY_OUT2
KSI0 – KSI7
KSI6
LED
SWITCH
Q1001
2
3
X801
32.768kHz
6
5
X802
4.9152MHz
X1
X2
OSC2
OSC2
ST
AT2
15
DCDET
47
ST
AT2
3
XACPG
18
KSI7
BAT
AC 4
OUT 15 – 17
5, 6
USB 20
PSEL 8
ISET2 7
D403
D401
BATT-DC 1
AD_ON 21
BATT-LI 63
VOLTAGE
DETECTOR
IC408
LOW-BATT-LI 44
BATTERY
CONTROL SWITCH
Q801, 802
Q472
ISET2 10
RWRON 20
USBDET 43
USBON 24
XRESET 8
+3.1V
REGULATOR
IC409
V3
+1.9V
REGULATOR
IC403
VCORE
+2.9V
REGULATOR
IC402
V2
+2.9V
REGULATOR
IC406
VOLTAGE
DETECTOR
IC405
VOLTAGE
DETECTOR
IC404
Q401
VOLTAGE
DETECTOR
IC802
S801
RESET
B+ SWITCH
Q402, 405, 406
UNREG
CHARGE CONTROL
IC401
PCSDCARD
E7
PCMSCARD
F7
PCA3PIO
+3.1V
REGULATOR
IC303
+3.1V
REGULATOR
IC204
+3.1V
REGULATOR
IC205
G11
SD-VDD
MS-VCC
VDD
TXD 59
RXD 58
USBCHG 46
USBBOOT 52
XM_RESET 23
POR 22
CTS 42
RTS 57
USB_BOOT
USB_CHRG
UART1_TXD
B8
UART1_RXD
E8
UART1_RTS
C9
UART1_CTS
E9
POR
XRESET-IN
F14
H11
M14
L12
USBLED
C2
MAIN CPU
IC1001 (3/3)
KEY_IN0 –
KEY_IN7
KSO0 – KSO2
KSO0
SWITCHING
REGULATOR
IC1802
SW
1
SHDN
4
VIN 6
B+ SWITCH
Q1804
REGULATOR
Q1806
REGULATOR
Q1802
B+ SWITCH
Q1805, 1822
REGULATOR
Q1809
CURRENT
DETECT
IC1803
B
−
SWITCH
Q1814
DC/DC CONVERTER
IC1805
SW
1
NFB 3
VIN 5
8PWR_NEG
8PWR_GATE
8PWR_POS
VPOS
VGP
GVDD
VEE, GVSS
GVCC
D1801
VNEG
C
8PWR_NEG,
8PWR_POS,
8PWR_GATA
SS
5
D1810
D1804
D1802
SHDN
4
D1805
+
LITHIUM ION
BATTERY
3.7V 600mAh
J001
VBUS
A
–
+
DC IN 5.2V
PS401
D1805
V1
CK 1
RESET
IC407
Q
5
CLR
6
PR 7
BUFFER
Q403
STBY_SW
48
LED_1
50
4
1
SW-STBY
ORG LED2
CN201
2
RED LED1
FROM
POWER
SWITCH
TO
LED
ST
AT1
14
ST
AT1
2
LDO
1
TS
12
THP401
(Page 13)
6-3. BLOCK DIAGRAM - KEY/POWER SUPPLY Section -
(Page 12)
Summary of Contents for PRS-505
Page 52: ...PRS 505 MEMO 52 ...
Page 73: ...MEMO PRS 505 21 ...