Sony NW-MS7 Service Manual ▷ View online
– 13 –
Test No.
Test item
Test MS
STEP
Test item
Display
display
Description of the test
playback
track
C
Channel balance (XP)
Test ¢C
SoundTest
1 kHz (0 dB) in the test memory stick is played back.
008
D
Channel separation
Test ¢D
SoundTest
L: 1 kHz (0 dB) reference/R: mute in the test memory stick
009
(L) IN > (R) OUT
is played back (XP mode).
E
Channel separation
Test ¢E
SoundTest
L: mute/R: 1 kHz (0 dB) reference in the test memory stick
010
(R) IN > (L) OUT
is played back (XP mode).
F
Noise level (XP)
Test ¢F
SoundTest
Mute signal in the test memory stick is played back.
011
10
Distortion factor (XP)
Test 1¢
SoundTest
1 kHz (0 dB) reference in the test memory stick is played
001
back.
11
Maximum output (XP)
Test 11
VOL MAX
Vol. is set to MAX. (0 dB)
001
12
AVLS LEVEL (XP)
Test 12
AVLS ON
AVLS is set ON.
001
13
AVLS releasing (XP)
Test 13
AVLS OFF
AVLS is set OFF.
001
14
Vol. setting (XP)
Test 14
VOL
–
4¢dB
100 Hz reference in the test memory stick is played back
012
and the headphone output is set to –40 dB (Vol. 03).
15
MEGA BASS 1 (XP)
Test 15
MEGA BASS 1
The mode is set to MEGA BASS 1 mode.
012
16
MEGA BASS 2 (XP)
Test 16
MEGA BASS 2
The mode is set to MEGA BASS 2 mode.
012
17
MEGA BASS releasing (XP)
Test 17
MEGA BASS OF
MEGA BASS is set OFF.
012
18
BATT low voltage detection
Test 18
Wait LowBatt
When a low voltage (3.35 V or Less) condition is detected
(BATT), the backlight turns on.
19
BATT Reference voltage
Test 18
Wait Batt2
1
Backlight off
t
2
When the BATT voltage is at the
detection
reference voltage, the backlight turns on.
1A
Lo DC IN detection
Test 1A
Wait LowDC
1
Backlight off
t
2
When the AC adaptor voltage is found
to be lower (4.65 V or Less), the backlight turns on.
1
Backlight off
t
2
When the AC adaptor voltage is found
1B
Hi DC IN detection
Test 1B
Wait HighDC
to be lower, the backlight turns on. When the AC adaptor
voltage is found to be higher (6.0 V or more), the backlight
turns on.
1C
STOP current
Test 1C
STOP
1
Backlight off
t
2
STOPPED state
1D
PLAY current (XP)
Test 1D
PLAY
The set is in PLAY mode 0.1 mW (Approx. 0.08 mW for vol.
001
11 and approx. 0.12 mW for vol. 12)
1E
USB response check
Test 1E
USB
5 V is applied to Vbus and potential variations at D+/D– or
crystal oscillations are verified for this check.
1F
Standby current
Test 1F
Forces the set to be in the sleeping state.
20
Setting initialization
Test 2¢
E2P INIT
The destination information is set again and the volume,
BASS and other equipment setting information are initialized.
Returns to step 0.
Notes: 1. The RAM test in STEP-1 is performed just when the TEST MODE is entered.
2. SP mode: 105 kbps, XP mode: 132 kbps
3. Each track is played back once to playback the test MS in each step. The data is not played back continuously.
3. Each track is played back once to playback the test MS in each step. The data is not played back continuously.
– 14 –
3-6. CREATING THE MEMORY STICK FOR
OPERATIONAL CHECK
OPERATIONAL CHECK
Note: Once created, the memory stick for test may be used for each
test.
3-6-1. TOOLS
1. MG memory stick MSG-32A or MSG-64A
2. Connecting adapter (1-418-764-21)
3. USB cable (1-791-785-11)
4. Open MG Jukebox CD ROM
5. Test CD YEDS-18 (3-702-101-01)
2. Connecting adapter (1-418-764-21)
3. USB cable (1-791-785-11)
4. Open MG Jukebox CD ROM
5. Test CD YEDS-18 (3-702-101-01)
3-6-2. Activating the software
1. Mount the Open MG Jukebox CD ROM in the drive of a
computer and install the software. (For more information, refer
to This manual "Setup 3: Installing the OpenMG Jukebox
software" on page 4.)
to This manual "Setup 3: Installing the OpenMG Jukebox
software" on page 4.)
2. Connect the memory stick player NW-MS7 to the computer.
USB cable
(supplied)
(supplied)
to
to
3. Activate the Open MG Jukebox software.
(Double click the icon in the desktop.)
Recorder button
Portable Player button
3-6-3. Recording the CD (to enter music data into the
computer)
4. Mount the TEST CD (YEDS-18) in the CD-ROM drive.
5. Click the Recorder button at the upper left of the Open MG
5. Click the Recorder button at the upper left of the Open MG
Jukebox window. The MG CD Recorder screen appears to
display the contents of the TEST CD. Press the Clear All
button at the lower right of the window to uncheck all the track
numbers.
display the contents of the TEST CD. Press the Clear All
button at the lower right of the window to uncheck all the track
numbers.
bit rate
Control
z
button
Clear All button
6. Setting the bit rate: Click Control and then Settings at the
upper left section of the window. Click the Recording Setup tab
in the setup dialog and select 132kbps from the dropdown list
of ATRAC3 bit rates.
in the setup dialog and select 132kbps from the dropdown list
of ATRAC3 bit rates.
7. Enter the disc name and the artist name.
Disc: YEDS-18 132kbps-1
Artist: SONY
Artist: SONY
8. To select the recording track, check the following track
numbers:
2, 3, 4, 6, 7, 8, 10, 12, 13
2, 3, 4, 6, 7, 8, 10, 12, 13
9. Press the z (record) button at the upper right of the window to
record data.
10. Repeat the steps 5 through 9 with the following settings:
Bit rate: 132kbps
Disc: YEDS-18 132kbps-2
Artist: SONY
Recording track number: 2
Disc: YEDS-18 132kbps-2
Artist: SONY
Recording track number: 2
11. Repeat the steps 5 through 9 with the following settings:
Bit rate: 105kbps
Disc: YEDS-18 105kbps
Artist: SONY
Recording track number: 3, 6
Disc: YEDS-18 105kbps
Artist: SONY
Recording track number: 3, 6
12. The following recording was made:
Album title
Recorded TEST CD track numbers
YEDS-18 132kbps-1
2, 3, 4, 6, 7, 8, 10, 12, 13
YEDS-18 132kbps-2
2
YEDS-18 105kbps
3, 6
Note: Any music content on the same track can be checked out
only once onto one memory stick in accordance with the
SDMI (Secure Digital Music Initiative) standard.
Therefore, record the data twice for the following
settings: bit rate of 132kbps and recording track number
of 2.
SDMI (Secure Digital Music Initiative) standard.
Therefore, record the data twice for the following
settings: bit rate of 132kbps and recording track number
of 2.
13. Once the recording is complete, terminate the Open MG CD
Recorder. ( Control and then Open MG CD Recorder Quit )
– 15 –
16. Repeat the following operations in the order of checkout:
Click the title.
r
Click button.
r
Click START button.
Check-
TEST CD
out order
Track
Contents of test signals
number
1
2
1kHz, 0dB, L&R, 132kbps
2
3
20Hz, 0dB, L&R, 132kbps
3
6
20kHz, 0dB, L&R, 132kbps
4
3
1kHz, 0dB, L&R, 132kbps
5
6
20Hz, 0dB, L&R, 105kbps
6
12
5kHz, –4.53dB, L&R
w/emphasis 132kbps
7
13
16kHz, –9.04dB, L&R
w/emphasis 132kbps
8
2
1kHz, 0dB, L, 132kbps
9
8
1kHz, 0dB, L&R, 132kbps
10
10
1kHz, 0dB, R, 132kbps
11
7
Infinity Zero w/o
emphasis, L&R, 132kbps
12
4
100Hz, 0dB, L&R, 132kbps
17. Complete.
3-6-4. Checkout (to load music data to the memory stick)
14. Verify that the Portable Player screen is displayed at the right
side of the Open MG Jukebox screen. (If not displayed, click
Portable Player .)
Portable Player .)
15. Click Original on the Open MG Jukebox screen to display the
recorded contents of the CD.
Portable Player window
(the music files inside
the“Memory Stick” appear)
(the music files inside
the“Memory Stick” appear)
START button
button
Original button
– 16 –
4-1. IC PIN DESCRIPTION
• IC701 HD64F7198RVDP16 (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Pin Description
1
XCS5 F_XCS
O
EEPROM chip select signal output terminal
2
XCS4 LCD_XCS
O
LCD chip select signal output terminal
3
VCC
—
Power supply terminal
4
XCS3 U_XCS
O
USB chip select signal output terminal
5
XCS2 SRAM_XCS
O
S-RAM chip select signal output terminal
6
XCS1 S_XCS
O
MG IC chip select signal output terminal
7
CHARGE_LED
O
Battery charge LED signal output terminal
8
VSS
—
Ground
9
PA19 MS_INS
I
Memory stick insertion signal input terminal
10
XRD
O
Read signal output terminal
11
MS_BS
O
Memory stick interface byte cycle signal output terminal
12
MS_DIO
I/O
Memory stick interface data signal input/output terminal
13
MS_CLK
O
Memory stick interface clock signal output terminal
14
XWRLH S_XWRH
O
H side write signal output terminal
15
XWRLL S_XWRL
O
L side write signal output terminal
16
PA12 XWAIT
I
Wait signal input terminal
17
PA8 RTC_CE
O
Real time clock chip enable signal output terminal
18
PA4 RTC_CLK
O
Real time clock signal output terminal
19
PA0 RTC_SIO
I/O
Real time clock serial data signal input/output terminal
20
TXD1
O
Transceiver data signal output terminal Not used. (Open)
21
RXD1
I
Receive data signal input terminal Not used. (Open)
22
VCC
—
Power supply terminal
23
VSS
—
Ground
24
TXD0 LCD_SDA
O
LCD transceiver IIC data signal output terminal
25
RXD0 LCD_SDA
I
LCD receive IIC data signal input terminal
26
VSS
—
Ground
27
VCC
—
Power supply terminal
28
PB17 G_XLAT
O
ATRAC3 IC serial latch signal output terminal
29
PB16
O
Output port terminal Not used. (Open)
30
PB13
O
Output port terminal Not used. (Open)
31
PB7 G_SCLK
O
ATRAC3 IC system clock signal output terminal
32
PB6 G_SWDT
O
ATRAC3 IC watch dog timer signal output terminal
33
VSS
—
Ground
34
PC25 AU_PWR
O
Audio power signal output terminal
35
PC24 PCON
O
System power control signal output terminal
36
PC23
O
Output port terminal Not used. (Open)
37
PC22 S_CLKOFF
O
MG IC clock off signal output terminal
38
PC21 S_PWR
O
MG IC power signal output terminal
39
VCC
—
Power supply terminal
40
PC20
O
Output port terminal Not used. (Open)
41
PC19
O
Output port terminal Not used. (Open)
42
PC18 MS_PWR
O
Memory stick interface power signal output terminal
43
VSS
—
Ground
44 – 50
A17 – A11
O
Address bus signal output terminal
51
VSS
—
Ground
52
A10
O
Address bus signal output terminal
53
VCC
—
Power supply terminal
54 – 59
A9 – A4
O
Address bus signal output terminal
60
VCC
—
Power supply terminal
61
VSS
—
Ground
62 – 65
A3 – A0
O
Address bus signal output terminal
SECTION 4
DIAGRAMS
Click on the first or last page to see other NW-MS7 service manuals if exist.