Sony NW-E403 / NW-E405 / NW-E407 Service Manual ▷ View online
21
21
NW-E403/E405/E407
NW-E403/E405/E407
4-9. PRINTED WIRING BOARD – SW BOARD –
:Uses unleaded solder.
GROUP
HOLD
S707
S708
S706
S704
GROUP
HOLD
DISP
S701
S709
SEARCH
A
MAIN BOARD
CN701
(Page 14)
>
.
1-866-772- (11)
11
1-866-772- (11)
11
1
2
9
10
SW BOARD
SW BOARD
(SIDE A)
(SIDE B)
22
22
NW-E403/E405/E407
NW-E403/E405/E407
•
IC Block Diagrams
IC301 TB2173FTG
– MAIN Board –
IC401 RV5C348A-E2
IC503 MM3032JULE
IC505, IC506 TPS62200DBVR
IC507 PST3629UL
IC508 PST3624UL
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
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
DECODER
ADDRESS
DECODER
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
1
GND
2
VDD
4
CE
10k
3
VOUT
Vref
+
–
Current Limit
1
V1
2
GND
3
EN
5
SW
4
FB
R1
REF
Skip Comparator
Conpensation
Gm
VREF=0.5V
Comparator High
Comparator
S
R
Comparator Low
Comparator Low2
+
+
–
–
Undervoltage
Lockout
Blas Supply
V
I
Sawtooth
Generator
+
–
V(Comp)
Control Logic
Comparator High
Comparator Low
Comparator Low2
1MHz
Oscillator
Soft Start
+
–
REF
Current Limit Comparator
+
–
Driver
Shoot-Through
Logic
+
–
OUT
4
CD
3
+
–
VREF
VDD 2
GND 1
OUT
4
CD
3
+
–
VREF
VDD
R
D
2
GND 1
23
NW-E403/E405/E407
IC509 XC6219B232MR
1 VIN
2 VSS
R1
each circuit
R2
Current
Limit
3 CE
4
NC
5
VOUT
+
–
Voltage
Reference
ON/OFF
Control
24
NW-E403/E405/E407
8
2-595-365-04 BUTTON (VOL)
9
2-595-366-01 BUTTON (PS)
10
2-595-368-01 SPRING (SLIDE)
11
2-595-372-01 SPRING (SHUTTLE)
12
2-631-679-01 SHEET (FLEXIBLE)
13
2-595-373-02 ARM (SHUTTLE)
14
2-595-371-01 KNOB (SHUTTLE)
15
2-595-378-02 COVER (JACK)
16
2-595-377-01 BUTTON (TOP)
17
2-595-362-01 CABINET (BOTTOM)
- Continued on page 25 -
SECTION 5
EXPLODED VIEWS
NOTE:
•
-XX and -X mean standardized parts, so they
may have some difference from the original
one.
may have some difference from the original
one.
•
Items marked “*” are not stocked since they
are seldom required for routine service.
Some delay should be anticipated when
ordering these items.
are seldom required for routine service.
Some delay should be anticipated when
ordering these items.
•
The mechanical parts with no reference
number in the exploded views are not supplied.
number in the exploded views are not supplied.
•
Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
Example:
KNOB, BALANCE (WHITE) . . . (RED)
R R
Parts of Color Cabinet’s Color
Ref. No.
Part No.
Description
Remark
1
2-595-374-01 LID (CONNECTOR)
2
3-254-136-01 SCREW (B1.4)
3
2-595-376-01 CABINET (TOP)
4
2-595-375-01 CABINET (INNER) (RED)
4
2-595-375-11 CABINET (INNER) (BLUE)
4
2-595-375-21 CABINET (INNER) (BLACK)
4
2-595-375-31 CABINET (INNER) (GREEN)
5
2-632-857-01 SPACER (PWB)
6
2-631-678-01 SPACER (CABINET)
7
2-631-680-01 SHEET (CONNECTOR)
5-1.
OVERALL-1
Ref. No.
Part No.
Description
Remark
29
20
16
7
21
27
5
12
1
28
2
6
3
8
25
10
11
13
22
23
15
14
26
4
9
19
19
17
BT901
J301
LCD901
18
24
•
Abbreviation
JE
JE
: Tourist model
CND : Canadian model
AUS : Australian model
KR
AUS : Australian model
KR
: Korean model
Ver. 1.4
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