Sony ICD-U50 / ICD-U60 / ICD-U70 (serv.man2) Service Manual ▷ View online
SERVICE MANUAL
Ver. 1.5 2007.03
SUPPLEMENT-1
Subject: MAIN board and JACK board changed to suffix-12
from suffix-11.
9-877-170-81
ICD-U50/U60/U70
US Model
ICD-U50/U60/U70
Canadian Model
ICD-U70
AEP Model
ICD-U60/U70
UK Model
ICD-U60/U70
E Model
Chinese Model
ICD-U50/U60/U70
Tourist Model
ICD-U60
Part number of printed wiring board changed to suffix-12 from suffix-11.
It has any difference between suffix-11 and suffix-12.
This supplement-1 describes the difference in the two boards.
Refer to original service manual (9-877-170-0[]) for other information.
It has any difference between suffix-11 and suffix-12.
This supplement-1 describes the difference in the two boards.
Refer to original service manual (9-877-170-0[]) for other information.
• How to distinguish
Location of parts number on changed printed wiring board
After Change : 1-870-035-12
Befor Change : 1-870-035-11
After Change : 1-870-036-12
Befor Change : 1-870-036-11
MAIN BOARD (SIDE A)
JACK BOARD
(SIDE B)
2
ICD-U50/U60/U70
Note on Schematic Diagrams:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. (p: pF) 50 WV or
less are not indicated except for electrolytics and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise specified.
•
f
: internal tolerance.
•
C
: panel designation.
•
A
: B+ Line.
• Power voltage is dc 1.5V and fed with regulated dc power supply
from battery terminal.
• Voltages and waveforms are dc with respect to ground under no-
signal (detuned) conditions.
no mark : PLAY
[ ]
no mark : PLAY
[ ]
: REC
∗
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production toler-
ances.
ances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production toler-
ances.
ances.
• Circled numbers refer to waveforms.
• Signal path.
F
: PB
L
: REC
Note on Printed Wiring Boards:
•
•
Y
: parts extracted from the conductor side.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Side B)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Side A)
the parts face are indicated.
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
4
4
ICD-U50/U60/U70
ICD-U50/U60/U70
PRINTED WIRING BOARD – JACK BOARD –
•
:Uses unleaded solder.
JACK BOARD
(SIDE A)
JACK BOARD
(SIDE B)
S
S
IC101
IC506
SPEAKER
SP901
RED
BLK
MAIN BOARD
CN703
SUPPLEMENT-1
: Page 6
HOLD
DPC
OFF
ON
ON
OFF
MIC901
i
S
S
D
D
G
G
BLK
RED
1-870-036-
A
RED
(REC)
GREEN
(PLAY)
3
4
E
1
2
D
D
G
G
5
8
1
4
R167
R168
TP152
TP151
TP724
C154
R119
R120
C119
R109
R108
R115
R116
R105
R106
C107
C104
C105
C103
LD101
FB101
FB102
TP103
TP102
TP104
TP156
TP723
TP157
S706
D702
J101
LD102
C102
C108
C115
C116
Q101
R104
C106
R101
C101
R103
R102
Q102
TP154
TP153
Q502
S707
R166
R165
LD152
LD151
CN704
R709
R114
R122
R708
R113
Q103
C117
C118
R121
FB103
FB104
D105
D103
D104
Q104
1-870-036-
(12)
12
(12)
12
• Semiconductor
Location
Ref. No.
Location
D103
I-15
D104
G-15
D105
H-18
D702
B-18
IC101
B-12
IC506
B-4
Q101
B-8
Q102
B-9
Q103
I-15
Q104
H-15
Q502
C-4
