Sony NW-A605 / NW-A607 / NW-A608 Service Manual ▷ View online
10
NW-A605/A607/A608
2
knob (shuttle)
1
spring (shuttle)
2
spring (shuttle)
1
Tentatively install the
spring (shuttle), and
move in the direction
of the arrow.
move in the direction
of the arrow.
printed side
p
rinted side
printed side
How to install the spring (shuttle)
2-9. SPRING (SHUTTLE), KNOB (SHUTTLE)
11
NW-A605/A607/A608
SECTION 3
TEST MODE
1. How to Enter the Test Mode
1. Set the SHUTTLE switch in the HOLD position.
2. While keeping pressing the Nx button in the HOLD
2. While keeping pressing the Nx button in the HOLD
position, press the RESET switch.
3. Then the characters “PREPARING …” is displayed
momentarily, and then the following indication is displayed
on screen.
on screen.
2. Key Check Mode
1. While the machine is in the TEST mode, set the SHUTTLE
switch to the normal mode (i.e., in the center position)
2. When the Nx button is pressed, the following indication is
displayed on the screen.
Check all keys
3. Whenever the SEARCH/MENU button is pressed, the
indication toggles between the following two indications as
shown below.
shown below.
FM [P —] 108.00 MHz
STANDBY
STANDBY
m
FM [P —] 78.50 MHz
STANDBY
STANDBY
4. When the DISP/FUNC button is pressed, the following
indication is displayed on the screen.
TUNER OFF
5. When the VOL+ button is pressed, the following indication
is displayed on the screen.
Beep: ON
6. When the VOL– button is pressed, the following indication
is displayed on the screen.
Beep: OFF
7. When the REPEAT/SOUND button is pressed, the following
indication is displayed on the screen.
Initialized
8. Whenever the SHUTTLE switch is rotated in the direction of
>+ , the indication toggles between the following two
indications as shown below.
indications as shown below.
Charge Mode 100 mA
m
Charge Mode 500 mA
9. Whenever the SHUTTLE switch is rotated in the direction of
.– , the indication toggles between the following two
indications as shown below.
indications as shown below.
Charge ON
m
Charge OFF
512M 1.00.00 ?14
3. Display Check Mode
1. While the machine is in the TEST mode, set the SHUTTLE
switch to the ALBUM position.
2. The entire screen shows the checkered pattern and the machine
enters the display check mode.
3. When the SHUTTLE switch is rotated in the direction of
>+ , all indicators are turned ON.
4. When the SEARCH/MENU button is pressed, amount of
brightness of all indications is reduced to the dim state.
[Check mode in the dim state]
* When the DISP/FUNC button is pressed in the dim state,
amount of brightness of all indicators returns to the full
brightness.
brightness.
* When either button of Nx button or the VOL+ button
or the VOL– button is pressed in the dim state, amount
of brightness of all indicators returns to the full brightness
for 9 seconds and then returns back to the dim state.
of brightness of all indicators returns to the full brightness
for 9 seconds and then returns back to the dim state.
5. When the SHUTTLE switch is rotated in the direction of the
.– , all indicators are turned OFF.
6. When the SHUTTLE switch is set to the normal mode (i.e., in
the center position), the following indication displayed on the
screen and the machine enters the key check mode.
screen and the machine enters the key check mode.
GROUP_KEY OFF
4. How to Exit the Test Mode
Press the RESET switch in any state to exit the test mode.
12
NW-A605/A607/A608
SECTION 4
DIAGRAMS
Note on Schematic Diagram:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. (p: pF) 50 WV
or less are not indicated except for electrolytics and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise speci-
fied.
•
%
: indicates tolerance.
•
C
: panel designation.
•
: B+ Line.
• Voltages and waveforms are dc with respect to ground under
no-signal (detuned) conditions.
no mark : PLAY
no mark : PLAY
*
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production toler-
ances.
ances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production toler-
ances.
ances.
• Circled numbers refer to waveforms.
• Signal path.
a
: DIGITAL OUT
k
: DIGITAL IN
d
: TUNER
F
: AUDIO
Note on Printed Wiring Board
•
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
: Pattern from the side which enables seeing.
Caution:
Pattern face side: Parts on the pattern face side seen from
(Side A)
Pattern face side: Parts on the pattern face side seen from
(Side A)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Side B)
the parts face are indicated.
• MAIN board is multi-layer printed board.
However, the patterns of intermediate-layer have not been in-
cluded in the diagram.
cluded in the diagram.
*
Replacement of IC400, IC450, IC901 on MAIN board
requires a special tool.
requires a special tool.
• Lead Layouts
surface
CSP (Chip Size Package)
Lead layout of conventional IC
•
Waveforms
– MAIN Board –
1
IC400
<zcm
(XTAL)
44.3 ns
2.4 Vp-p
500 mV/DIV, 20 ns/DIV
2
IC401
8
(OSCOUT)
30.4
µ
s
500 mV/DIV, 20
µ
s/DIV
1.2 Vp-p
3
IC601
ef
(XOUT) WMA PLAY
59 ns
1.3 Vp-p
500 mV/DIV, 20 ns/DIV
4
IC901
0
(XIN) USB Connect
500 mV/DIV, 20 ns/DIV
2.1 Vp-p
41.6 ns
13
13
NW-A605/A607/A608
NW-A605/A607/A608
4-1. BLOCK DIAGRAM
• SIGNAL PATH
: DIGITAL OUT
: DIGITAL IN
: AUDIO
: TUNER
VDD
USB
CN901
CONNECTOR
1
2
2
3
4
DATA -
DATA +
DATA +
VBUS
USB
5
GND
6
SHIELD
IC901
USB INTERFACE
IC400
SYSTEM CONTROLLER
SERIAL INTERFACE
D/A CONVERTOR
IC450
NOR FLASH/SRAM
5
3
VBUS
192 PK6/CS6
185 PJ4/WE
182 PJ1/RE
PG0/DACK0
PG1/REQ0
PG2/DACK1
PG1/REQ0
PG2/DACK1
DM
4 DP
10 XIN
11 XOUT
18-23
A1-A6
DQ0-DQ15
A0-A19
A0-A5
RST
XRST
63
10
24
39
D0
D15
CS 56
WR0 54
WR1 55
RD 53
DACK0 58
DREQ0 57
INT 51
86
87
88
VDIOUS
127
VBUS
126
P14/FS256
175
X901
24MHz
25-20
A1-A20
197-207,2-10
29,31,33,35,38
40,42,44,30,32,34
36,39,41,43,45
38
53
D0
D15
POWER CONTROL
IC501(1/2)
USB
LDO 1
20
102
104
AN4
AN6/INT8
S708
>
S701
.
.
+2.3V
S703
VOL –
S702
VOL +
103
105
AN5
AN7/INT9
+2.3V
S705
REPEAT
SOUND
SOUND
S704
DISP/
FUNC
FUNC
S709
SEARCH/
MENU
G
G
ALBUM
HOLD
83 PF2/EC2/INT4
S707
PG3/DREQ/INT7
S706
Nx
81 PF0/EC0/INT3
89
25-18,8-1
48,17,16,9
PK1/CS1
BES
187
13
PK0/CS0
BEF
186
26
PJ4/WE
WE
185
11
PJ3/UWR/UB
UBS
184
14
PJ2/L
WR/LB
LBS
183
15
PJ1/RE
OE
182
XRST
10
28
NAND FLASH RAM
IC1461
IC601
WMA DECORDER
IC302
SELECTOR
IC2001
RECEIVER
IC301
H.P AMP
15 - 22
29 - 32, 41 - 44
16 17 18 19 8 9
FCE0
FCLE
FAD0 - 7
FRE
FWP
FWE
FALE
CE0
CLE
I/O1 - I/O8
RE
WP
WE
ALE
23 24 26 28 27
7
6
FRB0
FRB1
R/B0
R/B1
30 32
29
10
FCE1
CE1
31
176 191 183 182
76 74 75 73
8
29
33
18 19 20 17 16
9
10
OSCOUT
XRES
XCS
XWR
XRD
OSCIN
1
32K OUT
VDD
CE
SI
SO
SCLK
PI5/MUTFGL
177
DC
RESE
GDR
PI6/MUTFGR
PO0/D0
PO7/D7
PK5/CS5
PJ2/L
WR
PJ1/RE
PE7/SCS1
PE5/SO1
PE6/SI1
PE4/SCK1
LCD901
ORGANIC EL
INDICATOR
MODULE
LCD
DRIVE
RTC
IC401
X402
32.768KHZ
R+2.8V
7 4 3 2
Q801
38
45
D0-D7
137
138
XT
AL
EXT
AL
X400
22.579MHz
106
RST
46
53
PB0/D8
PB7/D15
60
63
3
6
184
PJ3/UWR/UB
193
PK7/CS7
124
PD6/TXENL
59
PC2/S10
58
PC1/S08
57
PC0/SCK0
123
PD5/TXDMNS
34
PP1/RB
153
8
11
12
13
14
15
16
22
7
134
PQ7
CKMPG
NC2
AU
IN L
IN L
NC1
NO2
NO1
25
2
10
8
4
ZRESET
DIMPG0
DIMPG7
ZCSMPG
STSRDY
DOCTL
DICTL
CKCTL
ZCSCTL
SLEEP
DEMAND
BEEP IN
MUTE
PWR SW
RESET
CLK
DATA
STB
STB
AOUT L
133
AOUT R
172
P11/ADDT
85
PF4/BEEP
148
PQ2/PGMTR2
146
PQ0/PGMTR0
147
PQ1/PGMTR1
149
PQ3/PGMTR3
150
PG4
151
PG5
38
LOUT
41
ROUT
COM1
OUT
L
OUT
R
COM2
34
XOUT
35
XIN
X601
16.934MHz
3
9
7
5
25
24
2
5
AU
IN R
IN R
20
34
35
36
37
38
39
DATA
CLOCK
WRITE/READ
BUSENABLE
BUSENABLE
120
PD2/DPLS
119
PD1/XUDATA
118
PD0/CONNECT
121
PD3/DMNS
8
9
TUIN(L)
TUIN(R)
22
YAFL
23
YAFR
35
RFI1
31
26
11
13
XTAL2
17
171
PI0/DADT
174
P13/BCK
84
PF3/T3
190
PK4
99
AN1
33
PR0/RP
Q503,504
Q501,502
Q505
CHG
CONTROL
IC501(2/2)
POWER CONTROL
7
2
15
16
17
12
ISET2
STAT1
OUT
OUT
TS
OUT
VOUT
EN
VIN
IC506
+2.8V REG
5
1
3
VOUT
EN
VIN
+1.25V REG
IC505
5
1
3
VOUT
VIN
CE
IC509 +2.3V REG
1
6
6
3
VOUT
CE
IC503 +2.8V REG
IC504 +1.5V REG
2
4
4
3
VOUT
CE
VIN
USB +1.5V
RTC +2.8V
IO +2.8V
AD +2.3V
CORE +1.25V
3
4
4
1
NAND
+1.25V
OUT VDD
CORE SW
IC507
3
4
VOUT
CE
VIN
+2.8V REG
IC502
3
1
6
VOUT
CE
VIN
+3.3V REG
IC510
1
4
3
WMA
+2.8V
USB2
3.3V
BT901
RECHARGEABLE
BATTERY
Li-ion Mn
1PC,4.0V
RECHARGEABLE
BATTERY
Li-ion Mn
1PC,4.0V
5
6
BAT
BAT
J301
i
Q506
Q507
Q507
RESET
RESET
RESET
IC508
S710
VOUT
VDD 4
2
3
CN501
7-14
VOUT
VIN
CE
IC2002 +2.7V REG
1
6
6
3
VCC +2.7V
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