Panel/Key Section - Sony ICD-S7 Service Manual

– Panel/Key Section –
LIQUID
CRYSTAL
DISPLAY
MODULE
S7202,7203,
905,906
FUNCTION
KEY
S901
SEESAW
KEY
S7201,
903,904
FUNCTION
KEY
KEYGND
G
ON
S902
DPC
OFF
OFF
S7101
HOLD
ON
Q7105
WAKEUP WAKEUP
F
SWITCH
Q7106
SWITCH
IC7101(3/3)
CPU
LCDDO
22
LCDSCK
21
XLCDCS
18
25 XLCDRST
IC7110
2 RESET 3
XRST 65
86 KEY0
LCD ADAIVDD
MODULE, (IC3202),
IC7111
2 RESET 3
Q5206,5207
B+
DSPIVDD
SWITCH
(IC6201)
KEY1
87
36
MSPWR
93 XDPCSW
AUPWR
C
90 HOLDSW
BATT 88
XDCIN 40
4 WAKEUP
DDCOUT
H
CCVDD
(IC7101)
IC5101
+2.6V
2 3
REG
IC5205
+1.8V
ADACVDD 5 2
REG
(IC3202)
3
CIVDD
(IC7101)
IC5110
+3.1V
2 3
REG
IC5107
+3.1V
MSVDD
5 2
REG
(IC7103,7113,7114)
3
IC5208
+3.1V
MICVDD
2 3
REG
(IC3201)
IC5209
+2.5V
ADAAVDD
2 3
REG
(IC3202)
Q5110,5111
SWITCH
13 13
IC5103
L5102
D5101
BATT2
B+
SWITCH
Q5109
IC5109
SWITCH
DC/DC CONV.
Q5103
5
1 FB EXT
SWITCH
CE
3
1
IC5207
+1.5V
DSPCVDD
4 5
REG
(IC6201)
1
Q5108
SWITCH
XBATTEN
B
Q5102
DC DET
ICD-S7
DRY BATTERY
SIZE "AAA"
(IEC DESIGNATION LR03)
2PCS, 3V
IC5102
VOLTAGE
2
DETECT
D5104
J5101
DC IN 3V
Q5101