Sony NW-MS6 Service Manual ▷ View online
13
NW-MS6
6. USB Self-check
The indication is displayed as below after entering this mode.
This mode is not used in servicing.
Press the
Press the
[MENU]
key to go to the next RTC self-check.
7. RTC Self-check
The indication is displayed as below after entering this mode.
The indication is displayed as below after entering this mode.
The check on writing/reading real time clock is performed automatically and when the result is OK, “4. RTC >OK” is displayed on the
LCD and LCD back light turns on. If the result is NG, “4. RTC >NG” is displayed and the LCD back light blinks.
Press the
LCD and LCD back light turns on. If the result is NG, “4. RTC >NG” is displayed and the LCD back light blinks.
Press the
[MENU]
key to go back to “2. Display of Version and Destination”.
8. Sleep Mode (Checking Consumed Electric Current)
When the
When the
[VOLUME--]
key is pressed at “2. Display of Version and Destination”, the unit goes into sleep mode.
Once entering this mode, the LCD turns off and the unit goes into the sleep (standby) status. After being into the sleep status, check that
consumed electric current is within the specified value.
Specified value : below 1 mA
consumed electric current is within the specified value.
Specified value : below 1 mA
The unit is waked up with normal mode with pressing any key. If the short lands (SL0120)) has been short, however, waked up and enters
this test mode again.
this test mode again.
3.USB >
display
4.RTC >
display
NW-MS6
15
15
SECTION 5
DIAGRAMS
5-1.
BLOCK DIAGRAM – MAIN Section –
22
21
20
26
28
30
25
85
125
198
4
68
122
29
102
13
92
3
91
4
95
2
93
1
17
7
18
6
9
10
3
78
11
12
10
14
13
15
9
82
80
5
4
6
2
3
1
7
81
59 – 63, 65, 66,
69 – 71, 73 – 77
13, 16, 21, 24, 32, 29, 40, 37,
14, 15, 22, 23, 30, 39, 38, 47
5 – 3, 1, 2, 12, 11, 9, 34, 33,
35, 36, 42, 41, 43, – 45, 10
42, 35, 43, 36 – 38, 46,
47, 2, 3, 11 – 14, 6, 7
17, 25, 33, 18, 26, 19, 27, 28, 16,
24, 32, 40, 23, 31, 22, 30, 29
39 – 44, 47 – 52,
54 – 56, 58
7 – 1, 256, 253 – 246
28 – 20, 18 – 10
204
3
205
5
197
1
8
88
2
14
21
4
83
16
86
150
9
62
15
123
51
17
87
18
85
13
23
151
60
7
8
9
79
2
78
4
72
3
48
46
47
44
45
112
49
6
17
25
7
1
10
39
9
26
34
B+ SWITCH
Q6000, 6001
CN6000
CN6002
(USB)
4
8
2
2
6
3
3
1
9
MS DIO
MS SCLK
MS BS
MS INS
VCC
VCC
DATA+
DATA–
VBUS
VDDIO2
VBUS
D6000
DP3
SAM RST
+3.3V
REGULATOR
IC6000
USB
SWITCH
Q6003, 6004
A
B
DIO
SCLK
BS
INS
UDP
UDM
DP2
AVD2
DP3
RST
IRQ
DSP, MAGIC GATE CORE,
MEMORY STICK INTERFACE,
USB INTERFACE
IC8000
IC7700
ADR0 – ADR14
DB0 – DB15
D0 – D15
D0 – D15
DATA BUS
DATA BUS
ADDRESS BUS
ADDRESS BUS
MS PWR
A1 – A15
A1 – A18
SAM INT
WAKE2
PCMO
BCK
LRCK
FS256
CLOCK DIVIDER
LPF
BEEP
SERIAL
INPUT
INTERFACE
8X
INTERPOLATOR
DE – EMPHASIS
CONTROL
POWER
AMP
BASS
BOOST
∆∑
MODULATOR
D/A CONVERTER
IC3100
HEADPHONE AMP
IC3200
DEM
XPD
SDATA
BICK
LRCK
MCLK
V OUTL
+
REFERENCE
VOLTAGE SWITCH
Q3301
BASS BOOST
CONTROL
Q3302
IN B
R-CH
R-CH
J3301
R-CH
OUTB
BEEP OUTB
VREF
IN
BST SW
LPF2
MT SW
PW SW
BEEP
IN
i
REAL TIME
CLOCK
IC1001
IC1001
X7001
22.5792MHz
SYSTEM CONTROLLER
IC7001 (1/2)
DAC XPD
DAC DEMP
HPBB ON
HPBB1, 2
HP BEEP
PWM2
HP MUTE
HP PWR
XTO
XTI
RTC CS
OSC OUT
OSC IN
SCK1
SDO1
SDI1
CE
SCLK
SI
SO
X1001
32.768kHz
C
XRST2
• SIGNAL PATH
• R-ch is omitted due to same as L-ch.
: PLAY
: Check-out
SIOSO
SIOSI
SIOCK
SIOCS
DP0
DP1
DI
DO
XSK
XCS
RDY/XBUSY
RESET
EEPROM
IC6002
X8000
12MHz
XTAL1
EXTAL1
EXTAL0
DEMULTIPLEXER
IC5800
RD
CS
Y1
Y0
Y2
Y3
A
B
G
Y1
Y0
Y2
Y3
A
B
G
WRU
WRL
A18
S-RAM
IC5600
IC5600
DQ0 – DQ14,
DQ15/A-1
A0 – A17
I/O0 – I/O15
A0 – A16
FLASH
MEMORY
IC5000
XCE
A1 – A17
D0 – D15
A1 – A18
D0 – D15
XBLE
XBLH
XWE
XOE
CE
RY/BY
WE
OE
RESET
CS1
UB
LB
OE
WE
ROM RY/XBY
CS0
D0 – D15
A1 – A18
XWE
CS1
XOE
XWE
XOE
CS1
MEMORY STICK
: Check-in
(Page 16)
(Page 16)
(Page 16)
NW-MS6
16
16
5-2.
BLOCK DIAGRAM – DISPLAY/POWER SUPPLY Section –
89
92
84
106
102
101
124
59
58
57
56
70
55
64
69
118
141
67
115
135
104
103
1
56
10
35
1
3
34
33
28
32
36
4
55
18
19
108
110
66
109
61
12
16
5
C
B
LEVEL SHIFT
Q7502, 7503
SWITCHING
IC7500 (2/4)
LED DRIVE
Q6007
XRST2
SAM RST
LED6000
ACCESS
INDICATOR
ORANGE
VDDIO2
VDDCORE
SYSTEM CONTROLLER
IC7001 (2/2)
ELON
LCDON
SDI0
SDO0
SCK0
LCD XCS
SDI0
SDO0
SCK
LCD XCS
GIOE3
GIOE4
GIOE5
GIOE6
GIOE3
GIOE4
GIOE5
GIOE6
GIOE7
X HOLD
CONSOLE UNIT
VDDIO2
VDD EL
CHARGE
VDD LCD
B+ SWITCH
Q2501, 2502
B+ SWITCH
Q2503, 2504
DELAY BUFFER
IC7500 (1/4)
DELAY BUFFER
IC7500 (4/4)
SWITCHING
IC7600
B+ SWITCH
Q2505, 2506
WAKE0
GIOE7
ACTRO
WAKE1
XHOLD
KEY2
S2203 – 2205,
S7001, 7002
MEGA BASS
MENU
DISPLAY
VOLUME
+
–
S2203
S2204
S2005
S7001
S7002
WAKE3
VBUS INT
BATT MONI
SWITCHING
IC7500 (3/4)
A
VOLTAGE
DETECT
IC9002
DC/DC
CONVERTER
IC9004
SWITCHING
REGULATOR
Q9005
BATTERY ON/OFF
CONTROL
Q9004
STEP-UP
DC/DC
CONVERTER
STEP-UP
PRE DRIVER
CIRCUIT
D9004
D9008
D9001
D9005
D9006
DP3
D9014
VBUS
BATTERY ON/OFF
SWITCH
Q9001
RECHARGEABLE
BATTERY
NH-WM14
L9006
L9003
L9004
LG
L2
L2
L1
L1
START-UP
SWITCHING
REGULATOR
SWITCHING
REGULATOR
POWER
SWITCH2
SYSTEM
CONTROL
POWER
SWITCH1
STEP-UP
PRE DRIVER
CIRCUIT
DC/DC CONVERTER
D9002, L9001,
Q9008
SWITCHING
REGULATOR
BUFFER,
DRIVER
PWM
COMPARATOR
PWM/PFM
CONTROLLER
ERROR
AMP
+1.9V REGULATOR
IC9006
LG
D9015
POWER CONTROL
IC9001
POWER CONTROL
IC9005
OSC
EXT
CE
FB
VCOUT
VC
VC
VCO
VLGG1
CLK
VLGON
XWK3
SLEEP
Q9003
Q9009
L9007
L9002
D9016
D9018
VDDCORE
VDDIO2
RESET SIGNAL
GENERATOR
IC9007
RESET SIGNAL
GENERATOR
IC9003
WAKE
FS4
WAKEEN
OSCEN
WAKE4
XCRST
SAM RST
IC7800
(Page 15)
(Page 15)
(Page 15)
17
NW-MS6
Note on Printed Wiring Boards:
•
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side)
the parts face are indicated.
5-3.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
• Lead Layouts
surface
Lead layout of conventional IC
CSP (chip size package)
• MAIN board and SUB board are six-layer printed boards.
However, the patterns of layers 2 to 5 have not been included
in these diagrams.
in these diagrams.
*
Replacement of C5000, IC5600, IC7001and IC8000 used
in this set requires a special tool.
in this set requires a special tool.
• The voltage and waveform of CSP (chip size package)
cannot be measured, because its lead layout is different
form that of conventional IC.
form that of conventional IC.
Note on Schematic Diagram:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
%
: indicates tolerance.
•
A
: B+ Line.
• Power voltage is dc 1.2 V and fed with regulated dc power
supply from battery terminal.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
• no mark : PLAYBACK
(
) : when USB connection
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: PLAYBACK
E
: Check-out
j
: Check-in
*
Replacement of IC5000, IC5600, IC7001and IC8000
used in this set requires a special tool.
used in this set requires a special tool.
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