Sony ICD-SX55 Service Manual ▷ View online
13
13
ICD-SX55
ICD-SX55
4-1. BLOCK DIAGRAMS – MAIN SECTION-1 –
+2.5V
REG
Signal path
: REC
: PB
101
12
116
46
25
26
14
15
9
8
7
5
4
3
2
6
7
15
11
2
3
9
13
8
6
12
5
IC7001
SI/PO DRIVER
DATA
CLK
HPMUTE
STMIC
XADAPDN
DIROFF
SPAMP
10 EXTMIC
XREDLED
XDSPRST
XBATTEN
XGRLED
XBATTEN
D7001
RED(REC)
GREEN(PB)
1
4
IC6003
CLOCK GEN
IC7003 (1/3)
CPU
XCONT
FOUT
Q3003
MUTE
J3002
Q3001
IC3002
MIC AMP
(SPEAKER)
3
9
7
8
10
IC7004
REAL TIME CLOCK
CLK
DI
DO
CE
XIRQ
5
FOUT
14
XLIGHT2
IC3004
ADC, DAC, HEADPHONE AMP
AINR2
AINL2
HPR
HPL
17 MOUT
1 PDN
28
27
AINL1
AINR1
STDO
STDO
BICK
LRCK
SDTI
CDTI
CCLK
CSN
18
MIN
MCLK
BCLK
LRCK
SO
XRST
MCLK
HPJACK
SPICLK
115
SPIDA
TA
45
MICJACK
DSPSYSCLK
R
TCCS
111
XR
TCINTR
98
AUSIN
13
X0A32K
99
AUSOT
100
AUSCK
102
XADACS
18
BEEP
SP3001
B
A
OPR
MIC301
IN+
REG
OUT
STBY
MIC2
MIC3
R
4
2
6
3
IC1001
MIC AMP
IN+
REG
OUT
STBY
4
2
6
3
IC2001
MIC AMP
IN+
REG
OUT
STBY
4
2
6
3
IC3003
POWER AMP
VO1
AVDD
VO2
-IN
XSHUT-
DOWN
5
8
4
1
J3001
CL3001
MIC
PLUG IN
POWER
5
3
XT
XXT
X6001
11.2896MHz
L
STEREO
1
4
6
3
IC3005
SELECTOR
A
1
3
5
IC3001
14
14
ICD-SX55
ICD-SX55
4-2. BLOCK DIAGRAMS – MAIN SECTION-2 –
Signal path
: REC
: PB
40,
17-22
31
109
XUSBCS
USBADR0 - USBADR6
XINTUSB
29-32,
41-44
DATA0-DATA7
34
XUSBLWR
32
XUSBRD
IC6002
FLASH MEMORY
45
35
47
40
138
150
46
48
52
159
49
160
157
50
55
158
11
12
5
2
6
3
1
119
120
1
118
104
107
108
I/O1-I/O8
19
23
WP
XFLMWP
IC7002
FLASH MEMORY
IC6001
DSP
ADASI
BCLK
LRCLK
SO
XRST
MCLK
TSO
TSCK
TSOEN
TSIEN
TSIOEN
TSI
REQ
CLKIN
FMSDIO
FMSCK
DSPCVDD
XFMWP
XFMCS
SDI
SDO
SCK
XWP
XCS
DSPSIN
DSPSCK
DSPSIOEN
DSPSOT
DSPIFREQ
XTALIN
XTAL
X7001
4.096MHz
14
13
XIN
5
VBUS
3
D-
4
D+
6
TRON
XOUT
X8001
12MHz
12MHz
E
A
IC7003 (2/3)
CPU
D8002
Q7002
SWITCH
45
42
44
43
23-30
24-30
3-10
CS
33
XUSBRST
95
RX
96
TX
87
MOD2
103
WAKEUP
46 RST
INT0
110
XUSBVBUS
11 INT1
LWR
RD
D0 - D7
A0 - A6
1
2
3
VBUS
D-
D+
4
IN
IC8001
USB CONTROLLER
CN7001
(USB)
VBUS
D
F
DDCOUT
WAKEUP
STDO
BCLK
LRCK
SO
XRST
MCLK
R/B
7
FLMRB
22
CLE
16
FLMCLE
2
17 ALE
XFLMALE
21
9 XCE
XFLMCS0
11
8 RE
XFLMRE
20
18 WE
XFLMWE
19
1
2
IC5005
IC6004
VOLTAGE
DETECT
2
4
WAKEUP
SWITCH
Q7003
2
3
IC8003
+3.5V
REG
C
KEYINH
15
15
ICD-SX55
ICD-SX55
4-3. BLOCK DIAGRAMS – PANEL SECTION –
40
41
112
90
97
39
DDCOUT
DDCOUT
(3.1V)
XBATTEN
Q5001
SWITCH
Q5010, 5011
SWITCH
SEG0 - SEG31
COM0 - COM3
KEYIN0
KEYIN1
HOLDSW
44 XDPCSW
IC7003(3/3)
CPU
D
F
C
WAKEUP
S7001
OFF
ON
ON
OFF
1
3
Q5002
SWITCH
Q5003
SWITCH
Q5012
SWITCH
Q5005
DC DET
VBUS
E
B
L5001
L5002
D5003
D5004
IC5003
DC/DC CONV.
3
1
IC5002
D5005
Q5009
VOLTAGE
DETECT
FLMVCC
(IC7002)
RESET
3
2
IC7005
1
5
IC5001
+2.9V
REG
AVDD(2.9V)
DDCOUT(3.1V)
FB1
EXT1
10
8 FB2
4 PWM1
6 EN2
6 EN2
EXT2
DSPCVDD(1.6V)
DRY BATTERY
SIZE "AAA"
(IEC DESIGNATION LR03)
2PCS. 3V
SIZE "AAA"
(IEC DESIGNATION LR03)
2PCS. 3V
4
B+
SWITCH
Q5006,5007
B+
SWITCH
Q7001
B+
SWITCH
Q5013
DSPEVDD
(IC6001, 6002, 6003)
VBATT
IC3003 VDD
LIQUID
CRYSTAL
DISPLAY
MODULE
MODULE
S901,902,
7002,7004
FUNCTION
FUNCTION
KEY
S903,904
7003
FUNCTION
KEY
S905
SEESAW
KEY
XCPURST
XFLMPWR
BATT
117
DSPPWR
113
XDCINDET
HOLD
S907
DIRECTNL
S908
DPC
KEYINH
J5001
DC IN 3V
42 MICSEL
ON
OFF
S906
VOICE UP
43 VUPSW
ON
OFF
83-86
49-74,
77-82
16
16
ICD-SX55
ICD-SX55
4-4. PRINTED WIRING BOARD – MAIN BOARD –
•
:Uses unleaded solder.
• Semiconductor
Location
Ref. No.
Location
D5002
A-2
D5003
B-4
D5004
B-3
D5005
B-2
D5007
B-1
D5009
B-2
D7004
G-8
D8001
G-1
D8002
G-2
IC5001
B-5
IC5002
C-3
IC5003
B-4
IC5005
C-4
IC7001
A-7
IC7002
E-6
IC7003
B-6
IC7004
G-7
IC7005
C-6
IC8001
F-3
IC8003
G-2
Q5001
G-7
Q5002
B-4
Q5003
C-3
Q5005
G-2
Q5006
B-5
Q5007
A-5
Q5009
B-2
Q5010
G-1
Q5011
F-1
Q5012
C-3
Q5013
C-2
Q7001
E-8
Q7002
F-6
Q7003
A-8
IC7002
IC7004
IC8001
IC8003
IC5003
IC5001
IC7003
IC7001
IC5002
IC7005
IC5005
GND
1
2
A
B
C
D
E
F
G
3
4
5
6
7
8
9
MAIN BOARD
(SIDE A)
MAIN BOARD
(SIDE B)
S
S
S
E
E
S
16
9
1
8
10
6
5
1
1
3
6
4
S
S
E
S
S
S
1
5
6
10
CN7001
1
48
37
36
25
24
13
12
1
36
1
4
2
3
1
3
4
5
1
5
3
2
4
1
2
3
AUDIO BOARD
CN7003
(Page 19)
A
J5001
LCD MODULE
OFF
ON
HOLD
S
S
∗CSP(Chip Size Package)
∗
( U S B )
DC IN 3V
S
D
D
D
D
D
D
D
D
D
D
D
G
S2
S1
G1
G1
G2
D2
D1
D1
D1
D2
1
3
2
C5002
DRY BATTERY
SIZE "AAA"
(IEC DESIGNATION
LR03)
2PCS, 3V
1-860-640-
11
(11)
1-860-640-
11
(11)
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