Read Sony ICD-U50 / ICD-U60 / ICD-U70 (serv.man2) Service Manual online
3
3
ICD-U50/U60/U70
ICD-U50/U60/U70
BLOCK DIAGRAM
4
6
3
5
IN–
IN+
STBY
OUT
89
56
AGPIO4
MIP
IC101
MIC AMP
IC701
SYSTEM CONTROLLER
MIC
901
J101
SP901
(SPEAKER)
Q102
MIC CONTROL
57
AGPIO5
97
HSSPOUTP
96
LOUTO
77
DGPIO11
Q101, 103, 104
HP MUTE CONTROL
27
BGPIO13
S701
CONTROL
KEY
S703–705
FUNCTION
KEY
D705
ON
DPC
S707
HOLD
S706
OFF
D704
D703
S702 (REC)
FUNCTION
KEY
59
61
62
64
65
61
62
64
65
60
63
66
63
66
58
AGPIO6
EGPIO15
EGPIO8
AGPIO8
EGPIO10
EGPIO9
EGPIO7
AGPIO9
AGPIO7
76
DGPIO12
75
DGPIO13
74
DGPIO14
ON
OFF
VDD
VCC
VDD
R
G
(REC)
(PLAY)
LCD
MODULE
BACK-
LIGHT
LIGHT
32
EGPIO12
/CS
SCLK
SDA
A0
/RES
33
EGPIO13
34
EGPIO11
35
EGPIO7
16
RSTN
14
DCDCIN
D702
24
BGPIO2
23
BGPIO1
17
18
BGPIO3
BGPIO0
19
BGPIO4
38
52
DRDN
BGPIO10
53
DWRN
9
17
ALE
CE
16
CLE
7
8
RE
R/B
18
WE
I/O0
I/O7
DGPIO7
DGPIO0
42
49
29
32
41
41
44
40
DGPIO9
VCC
GND
–DATA
+DATA
29
CGPIO3
11
USBM
10
USBP
73
DGPIO15
41
DGPIO8
80
AGPIO10
81
AGPIO11
55
AGPIO3
5
XIN
6
XOUT
1
INT
6
SCL
5
SDA
9
CLKOE
+2.1V
D501
VCC+2.8V
X701
4.096MHz
IC703
REAL TIME CLOCK
IC702
NAND FLASH MEMORY
7
1
4
OUT
SHDN
LBI
IC504
DC-DC CONVERTER
2
6
7
VOUT
LBI
1
EN
VBAT
IC501
BOOST CONVERTER
3
1
4
VOUT
VIN
CE
IC503
REG
3
1
4
VOUT
VIN
CE
IC502
REG
Q501
VOLTAGE
CONTROLLER
DRY BATTERY
SIZE "AAA"
(IEC DESIGNATION LR03)
1PCS 1.5V
2
1
VIN
VOUT
IC505
LOW VOLTAGE
DETECTOR
87
DCIN1/1BAT
Q502
VOLTAGE
CONTROLLER
2
1
VIN
VOUT
IC506
HIGH VOLTAGE
DETECTOR
D504
D502
1
SPOUTP
99
SPOUTN
• Signal Path
: REC
: PB
i
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