Read Sony NW-E8P Service Manual online
10
10
NW-E8P
5-1. BLOCK DIAGRAMS
• Signal path.
F
: ANALOG
J
: DIGITAL
X701
X801
D781
D901
Q901
D704
S703
D912
D913
D914
D915
Q907
Q905
D908
D909
S701
S702
S706
S705
T701
D703
S704
S707
22.5792MHz
12MHz
MCLK
XPD
BICK
SDATA
LRCK
DEM
D/A CONVERTER
AOIU L
AOUT R
VREF
LPF1
LPF1
LPF2
IN B
IN A
BEEP OUTB
BEEP OUTA
OUTA
OUTB
AGC IN
PW SW
MT SW
BEEP IN
MT SW
BEEP IN
VREF IN
HEADPHONE
AMP
BST NF2
V REF
Q301
LIQUID CRYSTAL
DISPLAY
ON
OFF
DRY BATTERY
SIZE "AAA"
(IEC DESIGNATION LR03)
1PC 1.5V
CONVERTER
DC-DC
LCD
SWITCH
Q701,702
FS256
PCMO
BCK
LRCK
BEEP
PWM2
XTO
XTI
VDDA
LCD
SWITCH
Q701
GIOB3
TSB
WAKE0
WAKE1
ACTRO
WAKE3
WAKE
XCRST
GIOD0
XUSB DET
FRE4
FRWP
FRWE
FRALE
FRCLE
FRE1
FRE0
FRRE
FRREADY
FRIO0
FRIO7
FRIO8
FRIO15
INVERTER
INVERTER
Q832
Q831
USB DET
Q833
FLASH RAM
R/XB
XRE
CLE
ALE
ALE
XWE
XWP
XEX-RST
D11
XOUT
XIN
A1
A6
D0
DACK
DREQ
XRST
XCS
XWR
XRD
XINT
D15
D12
XTRST
TRON
VBUS
D+
D-
USB DEVICE
CONTROLLER
VOUT
VIN
POWER SWITCH
USB
CE
I/O0
I/O7
I/O8
I/O15
1D
1Q
6Q
6D
-
-
-
-
-
25
32
41
48
3
4
7
8
13
14
2
5
6
9
12
15
17
22
40
37
34
23
-
-
163
170
173
180
-
-
-
-
-
-
-
-
(3/4)
(4/4)
(1/4)
BUS DRIVER
CLK
8
9
10
11
12
13
13
1
2
3
USB B+
FRIO 0-15
FRIO 1-6
FRIO 0-15
VDD CORE
CONTROL
SYSTEM
CN701
USB
CONNECTOR
USB D+
USB D-
VBUS
FRRST
USB INT
USB DREQ
USB DREQ
USB XDACK
USB XRST
DCINMONI
EXBMONI
DCINDET
KEY2
KEY1
ELON
XHOLD
AMUTE
HPPWR
DEMP
XPDDAC
Q903,
IC902
BATT
CONVERTER
DC-DC
VDD102
(+2.8v)
(+2.8v)
A VCC
VDD CORD
(+2.0V)
CONVERTER
DC-DC
MD6
MD5
MD4
MD3
MD2
MD1
MD0
BATT
VDD101
(+2.8v)
VDD101
CCLK
GIOB7
OSCEN
WAKEEN
TEST1
VDDCORE
(+2.8v)
VDD101
VOLTAGE
DET
RESET
IC903
IC905
Q908,
IC904
+
-
Q902,
VOLUME-
VOLUME+
P. MODE
DISPLAY
B+ 2.7V
VOLTAGE
DET
IC761
(+2.8v)
VDD101
/AVLS
LCD VDD
TSB
BATT
VCC 2
IC820
IC852
IC851
IC751,752
IC853
IC710
IC302
IC301
(IC751)XCE
(IC752)XCE
(IC752)XCE
4
2
(IC810,851,852,853)
GND
IC810
MEGABASS
IC901
+B SWITCH
Q904
+B SWITCH
Q906
JOG
REW
FF
(L-CH)
SP1
(R-CH)
SP2
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