DOWNLOAD Sony NW-E303 Service Manual ↓ Size: 2.07 MB | Pages: 40 in PDF or view online for FREE

Model
NW-E303
Pages
40
Size
2.07 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
nw-e303.pdf
Date
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Sony NW-E303 Service Manual ▷ View online

21
21
NW-E303
NW-E303
4-7. SCHEMATIC DIAGRAM  – MAIN BOARD (4/4) –
• See page 25, 26 for IC Block Diagrams.
18
18
18
20
20
18
18
18
18
18
18
18
20
20
19
10µH
10µH
IC506
IC505
S710
IC509
R523
R519
R509
R530
R529
R503
R534
R524
R540
R531
R504
R508
R518
R507
R520
R526
R517
R511
R525
R539
C525
TP503
TP505
TP506
TP507
TP508
TP510
TP509
TP502
TP501
TP511
TP512
TP707
IC501
C505
C517
Q505
R546
Q503
R545
C502
TP513
C503
C508
C522
IC507
C510
C512
C516
C511
C514
C501
C518
C520
Q501
Q502
R541
C521
R542
R543
Q506
C507
C506
Q508
C523
C524
R532
R510
R528
R502
Q507
C504
R521
R522
R506
R515
R516
R514
R513
R512
R505
CN501
R535
IC502
C530
Q504
R501
R536
TH501
C519
IC503
IC508
C527
C528
C529
R537
R538
L501
L502
TPS62200DBVR
TPS62200DBVR
RESET
XC6219B232MR
470k
470k
470k
470k
10k
100k
47k
470k
0
10k
470k
0
470k
470k
0
10k
10k
100
100k
0
47
10V
VDD_USB3.3
VDD_CORE1.2
VDD_IO2.8
VDD_NAND2.8
VDD_AD2.3
MEM_XRST
VDD_RTC2.8
UNREG
BATT+
CHG_XING
GND
RESET
SN412005RHLR
10
0.01
2SC584600LS0
100k
2SK354700LS0
100k
0.1
1
10
0.1
PST3629RL
4.7
100p
10
4.7
100p
10
1
1
2SC584600LS0
MTM2321230LS0
100k
0.022
100k
100k
2SC584600LS0
1
0.1
UPA2450TL-E1-A
0.1
0.1
2.2k
330
10k
100k
2SA207800LS0
1
10k
10k
1M
100k
220k
470k
470k
220k
220k
2P
47k
MM3077KYRE
0.001
2SJ067400LS0
2.2k
2.2k
0.001
MM3032JRRE
PST3624RL
0.001
0.001
0.001
0
0
22
22
NW-E303
NW-E303
4-8. PRINTED WIRING BOARDS  – HEADPHONE BOARD, USB BOARD –
   
 :Uses unleaded solder.
HEADPHONE BOARD   (SIDE A)
HEADPHONE BOARD   (SIDE B)
1-868-513-
12
(12)
1-868-513-
12
(12)
1-868-512-
12
(12)
1-868-512-
12
(12)
1
1
4
1
8
4
USB BOARD   (SIDE B)
USB BOARD   (SIDE A)
1
2
A
B
C
D
E
F
G
H
I
3
4
5
6
7
8
9
10
11
12
13
J351
B
MAIN BOARD
CN301
(Page 17)
A
MAIN BOARD
CN400
(Page 16)
(USB)
CN601
(HEADPHONE)
23
23
NW-E303
NW-E303
4-9. PRINTED WIRING BOARD  – SWITCH FLEXIBLE BOARD –
4-10. SCHEMATIC DIAGRAM  – SWITCH FLEXIBLE BOARD –
S711
R701
VDR706
S705
S703
S704
R704
R702
R700
R703
VDR702
C
MAIN
BOARD
(Page 16)
CN701
SWITCH FLEXIBLE BOARD
1
2
A
B
C
D
E
3
4
1
1-868-514-
8
1
3
6
4
12
MAIN
BOARD
(1/4)
CN701
(Page 18)
SWITCH FLEXIBLE BOARD
R703
R704
CN603
8P
VDR706
VDR702
S703
S704
S705
R702
R701
R700
S711
22k
10k
10k
22k
47k
24
24
NW-E303
NW-E303
• IC Block Diagrams
IC1  TEA5767HN
– MAIN Board  –
GAIN
STABILIZATION
RESONANCE
AMPLIFIER
1/Q-MIXER
1st FM
LIMITER
POWER
SUPPLY
SOFT
MUTE
IF
COUNTER
CRYSTAL
OSCILLATOR
MUX
Iref
SDS
programmable divider output
pilot
mono
reference frequency divider output
MPX
DECODER
LEVEL
ADC
IF CENTER
RREQUENCY
ADJUST
SOFTWARE
PROGRAMMABLE
PORT
I C-BUS
AND
3-WIRE BUS
AGC
VCO
TUNING SYSTEM
N1
÷
2
DEMODULATOR
2
3
4
5
6
7
  8  
9
13
12
15
16
17
18
19
22
23
24
25
26
27
28
29
32
33
34
35
36
37
38
39
14
11
1,10,20,,21,,30,31,40
2
CPOUT
VCOTANK1
VCOTANK2
VCC(VCO)
DGND
VCCD
DATA
CLOCK
NC
WRITE/READ
BUSMODE
BUSENABLE
SWPORT1
SWPORT2
XTAL1
XTAL2
PHASEFIL
PILFIL
VAFL
VAFR
TMUTE
MPXO
VREF
TIFC
LIMDEC1
LIMDEC2
IGAIN
AGND
VCCA
RFI1
RF GND
RFI2
TAGC
LOOPSW
IC401  RV5C348A-E2
32kHz
OUTPUT
CONTROL
OSC
DETECT
DIVIDER
CORRECTION
TIME COUNTER
(SEC, MIN, HOUR, WEEK, DAY, MONTH, YEAR)
COMPARATOR_D
INTERRUPT
CONTROL
SHIFT
REGISTER
COMPARATOR_W
ALARM_W REGISTER
(WEEK, MIN, HOUD)
ALARM_D REGISTER
(MIN, HOUR)
OSC
DIV
ADDRESS
DECODER
ADDRESS
DECODER
VOLTAGE
DETECT
I/O
CONTROL
1
32K OUT
2
SCLK
3
SO
4
SI
5
VSS
6 /NTR
7 CE
8 OSCOUT
9 OSCIN
10 VDD
IC301  TB2173FTG
34
MUTE SW
C-SW
OUTA
MODE
SWITCH
VOLUME
VOLUME/SWITCH
/PORT CONTORL
2
35
PW SW
36
RESET
37
CK
38
DATA
39
STB
43
P1
44
P2
40
VDD
41
PRE NFA
33
IN2A
31
PRE INA
29
PRE INB
28
VOL OUTA
30
VOLUME
IN2B
26
IN1A
25
VOL OUTB
27
GND
32
PRE GND
MODE TC
23
+
–
+
–
42
PRE NFB
BEEP OUTA 1
BEEP OUTB 6
VCC2 7
BST TC 8
AGC DET 9
AGC IN 10
OUTC 3
PW GND 4
OUTB 5
ATTENUATOR
IN1B
24
ATTENUATOR
22
MUTE TC
21
BEEP
20
VCC1
19
BIAS IN
18
BEEP
OUT ADJ
17
RF
16
LPF1
14
LPF2
12
BST NF
13
BIAS OUT
15
BIAS
+
–
+
–
+
–
BST AGC
BST OUT 11
PORT
IC2  XC6219B272MR
VOUT
2
CD
3
+
–
VREF
VDD
R
D
4
GND
1
1 VIN
2 VSS
R1
each circuit
R2
Current
Limit
3 CE
4
NC
5
VOUT
+
–
Voltage
Reference
ON/OFF
Control
IC508  PST3624RL
IC502  MM3077KYRE
Transmitter 
VD1
Over Charge 
Counter 
Logic Circuit
Logic Circuit
Delay
Level Shift 
Short Curcuit
Detect 
VD2
VD3
Over Discharge 
Discharge Current Surge 
VSS
V DD
DS
D OUT
C OUT
V– 
3
2
4
5
6
1
VOUT
2
CD
3
+
–
VREF
VDD
R
D
4
GND
1
IC507  PST3629RL
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