Sony ICD-SX750 / ICD-SX750D / ICD-SX850 / ICD-SX850D / ICD-SX950 Service Manual ▷ View online
ICD-SX750/SX750D/SX850/SX850D/SX950
ICD-SX750/SX750D/SX850/SX850D/SX950
13
13
Signal path
: REC
: PB
27
9
CS
SDA
IC3404
REG
IC1001(1/2)
SYSTEM CONTROLLER
OUTP
OUTN
Q3304
MUTE
Q5001
LED DRIVE
D5005,5004,5002
(LCD BACK LIGHT)
Q3402
SWITCH
J3301
(SPEAKER)
13
14
11
2
3
IC3654
VOLUME CONTROL
WA
WB
SCLK
DIN
4 CS
LA
10
LB
3
7
10
5
8
IC3203
SELECTOR
IN2
COM1
COM2
2 NO1
D3607
D3606
IN1
9
4 NC1
NO2
NC2
3
7
8
5
10
IC3655
SELECTOR
IN2
VDD_HP
COM1
COM2
4
NO1
IN1
9
2
NC1
NO2
NC2
SCK
IC3901
ADC, DAC, HEADPHONE AMP
AIN1L
30
31
MD/ADA
AS/ADR
MC/SCR
LRCK
PCM0_LRCK
BCK
PCM0_BCK
DIN
DOUT
SCKI
HPCOM/MONO
HPOL/LOR
HPOR/LOR
17
16
V10
KS-
1I
PS
W8
OS-
1I
PS
W10
OZ
S
C-
1I
PS
O
M
WP
AC22
AD22
AB22
AC21
KL
C-
O
MP
NE
S-
O
MP
IS-
O
MP
OS-
O
MP
U18
OK
L
CF
E
R
2Z
S
C-
OI
PS
SPI1_CLK
SPI1_MOSI
AGC_XCS
KL
C_
1I
PS
IS
O
M_
1I
PS
S
CX
_
C
GA
I
DT-
D
K
CT-
D
V17
S
MT
_
D
N
W
DP
NE
T
U
M
U19
AC6
AB2
W22
AA2
0Z
S
C-
0I
PS
KS-
OI
PS
OS-
OI
PS
Y3
80I
P
G
AA1
AC7
AC8
AC23
AD7
11
0I
P
G
01
0I
P
G
21
0I
P
G
SP001
+
-
FUNCTION
SWITCH
R
(MIC CENTER)
IC3403
POWER AMP
J3201
PLUG IN
POWER
S6014
S6015
HOLD
23
AIN3R
AIN3L
22
29
32
BCLD-A0-W22
BCLD-XRST-U19
BCLD-CS-AC6
SP-MUTE-AA1
SP-PWR-AA2
HP-MUTE-Y3
SPIO-CLK-AC7
SPIO-MOSI-AC8
HPJ-XDET-AB2
PWM
ADA_XCS
1
2
PCM0_DADT
3
PCM0_ADDT
7
CPU_RFFCLK0
K
C
RL
_0
M
CP
K
CB
_0
M
CP
M
WP
S
CX
_A
DA
T
DA
D_
0
M
CP
T
D
DA
_0
M
CP
0K
L
CF
F
R_
UP
C
4
5
15
2
IN
VDD2
UNREG35-DET
MAIN2
SECTION
VDD1
VOUT
VIN
+3.3V
CE
L
1
5
6
IC3202
AMP
A OUTPUT
B OUTPUT
3 A+INPUT
A-INPUT
B+INPUT
B-INPUT
7
2
3
7
10
5
8
IC3024
SELECTOR
COM1
COM2
2 NO1
IN1
IN2
9
4 NC1
NO2
NC2
VDD_GP2
VDD_GP2
Q3660
SWITCH
Q3657
SWITCH
Q3659
SWITCH
TE
DX
_
CI
MT
XE
1L
ES
_
CI
M
2L
ES
_
CI
M
R
WP
X_
CI
M
LE
S_
E
NIL
X_
CI
M
1
DA
_Y
EK
0
DA
_Y
EK
EK
A
W-
YE
K
B6
4
NI
DA
AD4
10I
P
G
AD3
20I
P
G
C6
3
NI
DA
IS
_1
MP
OS
_1
MP
Q6001
SWITCH
AD5
AA3
AD20
AC20
NE
S_
1
MP
AB20
KL
C_
1
MP
AB21
0
OI
P
G
9
OI
P
G
CD
RES
LIQUID
CRYSTAL
DISPLAY
PANEL
PANEL
26 AIN1R
12
10
14
16
1
3
OFF
ON
NOISE CUT
OFF
ON
S6016
AD2
30I
P
G
DPC
(SPEED CTRL)
OFF
ON
S6013
AC5
40I
P
G
T26
OK
C
U26
IK
C
DIRECTNL
OFF
ON
X1401
11.2896MHz
AC26
NI
CS
O
AB26
T
U
O
CS
O
X1601
32.768KHz
W3
51
0I
P
G
GRNK
D5004
(OPERATION)
REDK
W2
41
0I
P
G
A
S6001,S6002,S6004
S6005-6008
S6010,S6012,
S6509,S6511
(MIC)
(MIC)
M101
M102
M103
LCD101
SECTION 3
DIAGRAMS
3-1. BLOCK DIAGRAM – MAIN1 Section –
(Page 14)
ICD-SX750/SX750D/SX850/SX850D/SX950
ICD-SX750/SX750D/SX850/SX850D/SX950
14
14
Signal path
: REC
: PB
H4-8
G5-8
E5-7
F5-8
H22-25,F25
C25,G23-25
E25,J22-24
F24,D24,25
H2,3
G3,4
F4,E4
H18,19
D18,20
C20,E18
AB0_A25/DRQ
AB0_F24/DAK
A2,A8,B1
B2,B8,B9
C1,C2,C8
C9,D1,D2
D8,D9,E1
E9
H9-7,
H3-1,
G3,G2,
J8,7,
J3,2
U2-5,
V8,4,5
W4,5,
Y4,5,
AA4
R1,R8,N1,
N2,N3,N4,
N5N8,M4,
M5,M8,P1,
P2,P3P4,
P8,
GPI07
Q8501
SWITCH
J5
SDR_DATA30
G4
EXTRST
DQ0-7
DQ8-12
DQ13-15
DQ8-12
DQ13-15
F1
R4
DQM1
E8 LDQM
SDR_DQM1
SDR_DQM0
SDR_DATA0-15
SDR_A0-11
P5
SDRAM
IC2602
SYSTEM CONTOLLER
IC1001(2/2)
A4 NAND_WEZ
FLASH
MEMORY
IC2701
I/01-I/08
NAND_DA0-DA7
E1
E2
XIN
C2
VBUS
B1
DM
C1
1
1
4
4
DP
XOUT
X8501
24MHz
24MHz
C4
A6
A0-A11
DREQO_N
D4 DACK0-N
A5 CS_N
C5 WR0_N
RST_N
SDR_DATA31
C6
4
3
1
4
2
1
4
4
INT_N
B5 WR1_N
RD_N
AB0_A1 - A6
AB0_D00 - D15
AB0_A1- A6
AB0_D0 - D15
1
2
5
VBUS
D-
GND
ID
3
D+
4
USB CONTROLLER
IC8503
CN8002
(USB)
VBUS
F8
SDR_WEZ
SDR_RASZ
SDR_CASZ
SDR_CKE0
SDR_CLK
SDR_BA0
T5
F7
U8
F3 CKE
T1
F2 CLK
AA5
EXM_RDZ J19
AB0_WRZ H16
E3 NAND_REZ
H13 NAND_DA15
E9 NAND_CLE
NAND_XWE
NAND_XRE
NAND_XWP
NAND_CLE
NAND_ALE
NAND_XCS0
NAND_XCS1
NAND_RXBO
NAND_XRE
NAND_XWP
NAND_CLE
NAND_ALE
NAND_XCS0
NAND_XCS1
NAND_RXBO
NAND_RBZO
D3 NAND_ALE
M9 NAND_CSZ0
M9 NAND_CSZ0
NAND_CSZ1
C2
D2
D2
NAND_RXB1
NAND_RBZ1
H8
19 XWP
18 XWE
17 ALE
16 CLE
10 XCE2
18 XWE
17 ALE
16 CLE
10 XCE2
9 XCE1
8 XRE
7 R/B1
8 XRE
7 R/B1
H26
P
DA
G
H
C
H17
E24
F23
AB3
A2
AB0_CSZ0
E11
TA
B
WS
_
WS
P
CS
G9
SDR_CSZ0 T3
BA1
G8
SDR_BA1 T4
G7 BA0
AB5
F9
R5
NAND_XWE
NAND_XRE
NAND_XWP
NAND_CLE
NAND_ALE
NAND_XCS0
NAND_XCS1
NAND_RXBO
6 R/B2
NAND_RXB1
29-32
41-44
41-44
B4,C4,D4
E4,L9,E6,
E4,L9,E6,
K9,E8
WE
RAS
CAS
H5
Q1665
SWITCH
Q1667
SWITCH
Q8004
SWITCH
IC8504
DETECT
Q8502
SWITCH
D1601
IC1802
DC/DC CONV.
VDD_DCCOUT33
VDD_UNREG
+3.1V
IC8501
+3.1V REG
UNREG35-DET
MAIN1
SECTION
VOUT SHDN
4
1
DRY BATTERY
SIZE "AAA"
(IEC DESIGNATION LR03)
2PCS. 3V
SIZE "AAA"
(IEC DESIGNATION LR03)
2PCS. 3V
SWITCH
Q1608
Q1664
SW
SW
Q1663
IC8003
DETECT
Q1609
SWITCH
+1.5V
IC1603
AMP
INT+
OUT
IC8001
DETECT
VOUT VIN
IC8502
+1.5VREG
IC8002
RESET
SWITCH
Q1668
A17
S
UB
V
E15
S
UB
V
WS
_
WS
P
K26
G
H
C
D15
2S
UB-
WS
_
WS
P
G22
3Z
S
C-
0B
A
2Z
S
C-
0B
A
F22
C8
7
NI
DA
SWITCH
Q1603
A
SWITCH
Q1601
3-2. BLOCK DIAGRAM – MAIN2 Section –
(Page 13)
ICD-SX750/SX750D/SX850/SX850D/SX950
ICD-SX750/SX750D/SX850/SX850D/SX950
15
15
For Schematic Diagrams.
Note:
• All capacitors are in
• All capacitors are in
μF unless otherwise noted. (p: pF) 50
WV or less are not indicated except for electrolytics and
tantalums.
tantalums.
• All resistors are in
Ω and 1/4 W or less unless otherwise
specifi ed.
• f : internal component.
• C : panel designation.
• C : panel designation.
• A : B+ Line.
• Power voltage is dc 1.5V and fed with regulated dc power
• Power voltage is dc 1.5V and fed with regulated dc power
supply from battery terminal.
• Voltages are dc with respect to ground under no-signal
(detuned) conditions.
no mark : REC
( ) : PLAY
( ) : PLAY
*
: Impossible to measure
• Voltages are taken with VOM (Input impedance 10 M
Ω).
Voltage variations may be noted due to normal production
tolerances.
• Signal path.
F :
F :
PB
L :
REC
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
•
• X : Parts extracted from the component side.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Parts on the pattern face side seen from
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
• Lead layouts
surface
CSP (Chip Size Package)
Lead layout of conventional IC
ICD-SX750/SX750D/SX850/SX850D/SX950
ICD-SX750/SX750D/SX850/SX850D/SX950
16
16
3-3. PRINTED WIRING BOARD – AUDIO Section (1/2) –
•
: Uses unleaded solder.
Q3657
B
C3688
D5002
D5005
C6001
R3302
C1004
C3913
R6001
R6003
C3999
R3319
R6008
3
1
4
S
2
S6001
S6001
3
1
4
2
S6004
S6004
R6034
R3318
R6035
R6036
R6037
R6038
C6032
R3738
D5004
D5002,5004,5005
(LCD BACK LIGHT)
JL61
10
+
AUDIO BOARD (SIDE A)
DIVIDE /
/ MENU
1-872-141-
21
(21)
2
3
4
5
6
7
8
1
A
B
C
D
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