Sony NW-E8P Service Manual ▷ View online
13
13
NW-E8P
5-4. SCHEMATIC DIAGRAM – MAIN SECTION (2/2) –
z
See page 9 for Notes.
z
See page 16 for IC Block Diagrams.
FB702
R812
R813
C853
C851
C852
C808
C617
R804
R805
R806
C807
C616
C801
C802
C803
R801
R802
X801
C804
R814
R811
R810
R925
R924
Q833
Q832
Q831
T701
FB704
D783
D781
P701
CN701
470k
470k
0.1
0.1
0.1
0.1
0.1
C809
1000P
27
27
1.5k
10
6.3V
10
6.3V
22p
22p
0.1
1M
680
12MHz
0.1
470k
470k
470k
330k
100k
UN921DJ
USB DET
XP4213
XP4213
MA2Z748
MA2Z748
4
6
7
8
9
12
16
1
10
14
15
FR WE N
FR RE N
FR CE4 T
FR WE N
FR ALE T
FR IO0
FR IO1
FR IO2
FR IO3
FR IO4
FR IO5
FR IO6
FR IO7
FR IO8
FR IO9
FR IO10
FR IO11
FR IO12
FR IO13
FR IO14
FR IO15
USB INT
USB DREQ
USB XRST
USB XDACK
FR IO1
FR IO2
FR IO3
FR IO4
FR IO6
FR IO5
VCC
GND
1A
1B
1Y
2A
2B
2Y
4A
4B
4Y
3A
3B
3Y
GND
4Q
4D
3D
3Q
2Q
2D
1D
1Q
XOE
CLK
5Q
5D
6D
6Q
7Q
7D
8D
8Q
VCC
IC853
IC852
SN74LVC32APWR
SN74LVC374APWR
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
GND
VCC
XOUT
XIN
GND
VCC
A1
A2
A3
A4
A5
A6
D0
D1
DACK
DREQ
XRST
XCS
XWR
XRD
XINT
TEST2
D15
D14
D13
D12
TD0
TD1
TMS
TCK
XTRST
TEXT1
TRON
VBUS
D+
D-
GND
VCC
IC810
USB DEVICE
CONTROLLER
CONTROLLER
USB D+
USB D-
VBUS
GND
CE
VOUT
NC
VSS
VIN
XC62GR3012MR
USB
CONNECTOR
POWER
SWITCH
USB
IC820
INVERTER
INVERTER
BUS DRIVER
OR GATE
M66290AFP
ID
IC851
NC
A
A
GND
VCC
Y
INVERTER
TC7SZ04FU
(1/2)
MAIN
BOARD
14
14
NW-E8P
2
3
4
5
6
7
8
A
1
B
C
D
E
F
C902
JC302
FB201
C306
C302
C204
C304
JC301
JC901
R709
R904
R702
R909
R703
R704
R711
TP305
TP304 TP303 TP301
TP706
TP707
TP306
TP302
TP711
TP710
TP708
TP701
TP703
TP311
TP202
TP308
TP309
TP307
TP101
TP702
TP709
R201
R202
R101
R103
R302
R302
R910
R902
R701
R708
R102
R707
R710
R706
R705
C908
C701
C101
C201
C104
C307
C909
TP904
TP905
TP902
IC904
IC905
C903
C906
C901
C310
C314
C301
C308
C303
C305
C311
C313
BCE
Q702
S D G
Q902
SDG
Q701
L904
L903
L901
L902
D915
D916
D913
D908
D904
D902
D903
D909
D905
D914
IC901
C103
C312
C309
JC902
R301
R901
R903
R906
R905
R205
R204
R105
R104
R203
FB101
R908
R907
C203
C315
C905
C102
C202
C904
C910
C907
CN704
ECB Q905
REW
FF
ECB
Q907
BCE
Q301
1
1
1
2
3
4
4
5
2
10
25
15
20
29
30
5
12 10
D912
D901
S D G
Q901
TP992
TP994
TP993
G
D
D
S
Q903
G
D
D
S
Q908
S D G
Q904
S D G
Q906
IC902
IC903
1
5
16
9
1
6
7
12
13
18
19
24
8
IC301
IC302
S704
HOLD
S702
VOLUME
–
S701
VOLUME
+
S706
DISPLAY
S705
P.MODE
S707
MEGEBASS/
AVLS
.
ON
OFF
POWER BOARD (SIDE B)
POWER BOARD (SIDE A)
12
(12)
1-681-243-
1-681-246-11
1-681-245-11
12
(12)
1-681-243-
LCD FLEXIBLE
BOARD
LCD UNIT
SP1
SPEAKER
(L-CH)
RED
GREEN
GREEN/
CLEAR
RED/
CLEAR
SP2
SPEAKER
(R-CH)
A
MAIN BOARD
CN702
DRY BATTERY
SIZE "AAA"
(IEC DESIGNATION LR03)
1PC, 1.5V
MDD FLEXIBLE
BOARD
RED
GREEN
GREEN/CLEAR
RED/CLEAR
L-CH SECTION
D911
CN705
L301
S703
(JOG)
.
.
z
x
B
1
2
3
5
4
1 2
3
5
4
4
1
1
2
2
3
3
5
TP910
TP903
TP712
TP908
TP713
TP704
TP705
TP907
TP909
TP906
TP920
TP921
TP102
TP201
5-5. PRINTED WIRING BOARDS – POWER SECTION –
: Uses unleaded solder.
D901
E-6
D902
F-2
D903
F-2
D904
E-3
D905
E-3
D908
D-3
D909
E-3
D911
C-7
D912
D-7
D916
D-2
D914
E-2
D915
C-3
D916
C-3
IC301
B-6
IC302
B-5
IC901
E-2
IC902
E-6
IC903
E-6
IC904
D-2
IC905
E-1
Q301
C-5
Q701
B-3
Q702
B-2
Q901
F-6
Q902
E-2
Q903
E-6
Q904
E-6
Q905
E-7
Q906
F-7
Q907
E-6
Q908
D-7
Ref. No.
Location
z
Semiconductor
Location
z
See page 9 for Notes.
15
15
NW-E8P
5-6. SCHEMATIC DIAGRAM – POWER SECTION –
z
See page 9 for Notes.
z
See page 16 for IC Block Diagrams.
z
See page 9 for Waveforms.
CN704
C307
C203
C103
R103
R203
R104
R204
R101
R201
C306
C304
C302
C301
C303
C305
C313
C202
C102
C311
C310
CN705
R205
R105
Q702
TP201
TP101
C309
Q902
Q701
C308
R202
R102
C101
C201
D902
L901
100
µ
H
R910
C905
C904
Q905
Q906
R710
S705
S706
S702
S701
R707
R703
R704
R705
R706
R701
R702
R708
R909
R709
S704
R711
JC301
FB201
Q907
L301
10
10
µ
H
R302
C910
D911
D912
D913
D914
Q903
L902
100
µ
H
D904
D905
D903
C907
C908
R903
D908
JC902
D915
R902
JC901
R901
C901
C902
R904
L903
100
µ
H
C909
R905
R906
R907
L904
10
µ
H
D909
C204
C104
C312
Q301
C315
C701
Q901
C906
Q904
Q908
JC302
S703
S707
R908
C314
R301
C903
FB101
D901
0.1
0.22
0.22
10
10
4.7k
4.7k
6.8k
6.8k
0.1
0.1
0.1
10
6.3V
10
6.3V
10
6.3V
10
6.3V
220
2.5V
220
2.5V
10
6.3V
4.7
6.3V
4.7k
4.7k
DTC144EE
1
XP151A13A0MR
SI2305DS
47
6.3V
15k
15k
0.33
0.33
MA2Z748
470k
0.01
100
6.3V
3LN01S
XP152A12COMR
470k
47k
6.8k
10k
15k
33k
1M
47k
6.8k
1M
10k
220
2SJ347
15
22
10V
SBS-004
MA2Z748
MA2Z728
MA2Z728
XP151A13A0MR
MA2Z748
1SS355
1SS355
100
6.3V
0.01
470k
MA2Z748
RB520S-30
470k
1M
220
2.5V
0.01
10k
47
6.3V
1M
1M
1M
MA2Z748
1000p
1000p
1
2SC4738F
0.1
1000p
D916
MA2S728
S12302DS
10
6.3V
XP152A12COMR
XP152A12COMR
1M
100
6.3V
6.8k
10
6.3V
MA2Z748
WAKE0
WAKE0
WAKE1
WAKE1
ACTRO
ACTRO
TSB
TSB
ELON
ELON
FS256
PCMO
BCK
LRCK
DEMP
XPDDAC
H.P POWER
MUTE
BEEP
GIOAI XHOLD
WAKE0
WAKE1
ACTRO
TSB
LCD VDD
DCDT
WAKE
USB RESET
D.GND
D.GND
D.GND
D.GND
D.GND
D.GND
XRST
EXB MONI
VDDIO2
VDDIO1
VDDIO1
DC IN
VDD CORE(A&D)
D.GND
DBB/AVLS
LCD VDD
NC
VDDIO2(0/2.7V)
TSB
GND
CE
VDD
VOUT
GND
EXIT
MCLK
XPD
BICK
SDATA
LRCK
DIF0
DIF1
DEM
CKS
VCML
VCMR
VDD
VSS
VREF
VREF
LPF1
BST NF1
LPF2
BST OUT
MT TC
VCC1
IN B
IN A
BEEP OUTB
BEEP OUTA
VCC2
OUTA
PWD GND
OUTB
DET
AGC IN
PW SW
MT SW
BST SW
BEEP IN
GND
VREF IN
IC301
AK4352
D/A CONVERTER
IC302
TA2131FL
HEADPHONE
AMP
DRY BATTERY
SIZE "AAA"
MAIN BOARD
LIQUID CRYSTAL
DISPLAY
ON
OFF
(IEC DESIGNATION LR03)
1PC 1.5V
BST NF2
AOIU L
AOUT R
LCD
SWITCH
ON/OFF
LCD
RESET
CONVERTER
DC-DC
CONVERTER
DC-DC
V REF
VOLUME-
VOLUME+
NC
VOUT
VSS
VIN
XC6368A281MR
LED ON
VDDIO1(1.85V/2.7V)
PLAY MODE
DISPLAY MODE
HP R-CH(+)
HP R-CH(-)
NC
VOUT
VSS
VIN
CE
VDD
VOUT
GND
EXIT
CONVERTER
DC-DC
IC904
XC6365A183MR
IC905
XC61CN3002NR
VOLTAGE
DET
CE
VDD
VOUT
GND
EXIT
CONVERTER
DC-DC
CONVERTER
DC-DC
IC902
LED ON
IC903
XC61CN1502MR
XC6368A201MR
IC901
AVLS
P. MODE
DISPLAY
CN702
(1/2)
CONVERTER
DC-DC
MEGABASS/
JOG
(L-CH)
(R-CH)
SP1
SP2
+B SWITCH
+B SWITCH
REW
FF
16
16
NW-E8P
SERIAL
INPUT
INTERFACE
CLOCK DIVIDER
15 VCML
14 AOUTL
13
11
LPF
12
10 VDD
VREF
VCMR
AOUTR
9
VSS
CKS
16
2
3
4
6
5
7
8
XPD
BLCK
DEM
DIF1
DIF0
SDATA
LRCK
MCLK 1
LPF
∆ Σ
MODULATOR
∆ Σ
MODULATOR
8X
INTERPOLATOR
8X
INTERPOLATOR
DE-EMPHASIS
CONTROL
1
2
3
4
5
6
7
8
9
10
11
12
13
36
35
34
33
32
31
30
29
28
27
26
25
14 15 16
17 18 19 20 21 22
23 24
USB
TRANSCEIVER
SERIAL
INTERFACE
ENGINE
USB
PERIPHERAL
CIRCUIT
CLOCK
CONTROL
(OSCILLATOR/
PLL)
TCK
XTRST
TEST1
TR_ON
VBUS
GND
VCC
D+
TMS
TDI
TDO
GND
XIN
XOUT
VCC
A1
A2
A3
A4
A5
A6
D0
D1
D0
D1
48 47 46 45 44 43 42 41
40 39 38 37
XRST
DREQ
DACK
XCS
XWR
XRD
XINT
TEST2
D15
D14
D13
D12
DREQ
DACK
CS
WR
RD
INT
D15
D14
D13
D12
D –
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
VCC
GND
DACK
DREQ
CS
WR
RD
INT
DEVICE
CONTROL
UNIT
END POINT
BUFFER
(3k BYTE FIFO)
CPU
REGISTER
1
XOE
2
1Q
3
1D
4
2D
5
2Q
6
3Q
7
3D
8
4D
9
4Q
10
GND
20 VCC
19 8Q
18 8D
17 7D
16 7Q
15 6Q
14 6D
13 5D
12 5Q
11 CLK
1D
C1
C2
2D
3D
C3
C4
4D
8D
C8
C7
7D
6D
C6
C5
5D
V REF
MT
SW
BST
SW
BEEP
19
20
21
22
23
24
18
17
16
15
14
13
PW
SW
SW
12
11
10
8
7
BST1
9
BST2
6
5
4
3
2
1
BST
AGC
PW
B
PW
A
ADD
TC MT
VCC1
INB
INA
BEEP
OUTB
BEEP
OUTA
VCC2
OUTA
PWR
GND
OUTB
DET
AGC IN
BST OUT
BST NF2
LPF2
BST NF1
LPF1
VREF
VREF IN
GND
BEEP IN
BST SW
MUTE
PWSW
R / B
HIGH VOLTAGE
GENERATOR
ADDRESS REGISTER
COLUMN BUFFER
COLUMN DECORDER
DATA REGISTER
SENSE AMPLIFIER
MEMORY CELL
ARRAY
COMMAND REGISTER
STATUS REGISTER
LOW ADDRESS
BUFFER
LOW ADDRESS
DECORDER
I/O
CONTROL
ACTION
LOGIC
CONTROL
CONTROL
CIRCUIT
2
3
5
4
6
7
8
9
10
1
11
12
13
14
15
16
17
18
21
22
23
24
25
26
27
28
29
30
19
20
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
NC
NC
NC
NC
NC
XES
R/XB
XRE
XCE
NC
NC
VCC
VSS
NC
NC
CLE
ALE
XWE
XWP
XEX-RST
NC
NC
NC
NC
I/O15
I/O14
I/O13
I/O12
I/O11
I/O10
I/O9
I/O8
NC
NC
VCC
VCC
VSS
VSS
NC
NC
I/O7
I/O6
I/O5
I/O4
I/O3
I/O2
I/O1
I/O0
+
–
VREF WITH
SOFT START,
CE
PHASE
COMPENSTATION
PWM
COMPARATOR
ERROR AMP.
PWW/PFM
CONTROLER
RAMP WAVE
GENERATOR,
OSC
BUFFER,
DRIVER
5
4
3
2
1
VOUT
VDD
CE
GND
EXT
+
–
• IC Block Diagrams
IC751, 752 TC58257FT
— MAIN SECTION —
IC853 SN74LVC374APWR
IC810 M66290AFP
IC301 AK4352VT-E2
IC302 TA2131FL (EL)
IC902 XC6368A201MR
— POWER SECTION —
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