Sony NW-E002 / NW-E003 / NW-E005 Service Manual ▷ View online
9
NW-E002/E003/E005
2-5. MAIN BOARD-2
2-6. BATTERY (A) ASSY
6
Remove soldering from
the three points.
the three points.
7
MAIN board
2
sheet (static)
3
HP guide
4
adhesive sheet (H.P)
5
cushion (wire)
red
white
blue
Note: Be careful not to damage
the harnesses.
the harnesses.
Attach the cushon
(wire) after folding
back the harness.
(wire) after folding
back the harness.
SWITCH board
CN601
1
Remove the harness.
1
tow sheets
(BATT)
2
battery (A) assy
10
NW-E002/E003/E005
2-7. ORGANIC EL INDICATOR MODULE
1
sheet (OEL)
3
two spacers
2
OEL module sub assy
6
organic EL indicator module
5
adhesive sheet (OEL-FPC)
4
sheet (static-B)
Ver. 1.2
11
NW-E002/E003/E005
SECTION 3
TEST MODE
1. HOW TO ENTER THE TEST MODE
1. Set the HOLD
. switch in the HOLD ON position.
2. While keeping pressing the Nx and
HOME
buttons
in the HOLD ON position, press the RESET switch.
3. Then the characters “TEST MODE INITIALIZE..” is
displayed momentarily, and then the following indication is
displayed on screen.
displayed on screen.
“TEST MODE”
“0.8.04.00 [JP]”
“0.8.04.00 [JP]”
2. HOW TO CHANGE THE TEST MODE
1. While the machine is in the TEST mode, set the HOLD
.
switch from the ON to OFF position, or OFF to ON position.
2. Then test mode toggles and the following indication toggles
as shown below.
“TEST MODE (HOLD:OFF)” and
“TEST MODE (HOLD:ON)”
“TEST MODE (HOLD:ON)”
3. SYSTEM PARAMETER INITIALIZE
1. While the machine is in the TEST mode, press the
HOME
button.
2. Then the system parameter is initialized and the following
indication is displayed on screen.
“System Parameter Initialized.”
4. ALL KEY CHECK MODE
1. While the machine is in the TEST mode, press the Nx
button, and then the following indication is displayed on screen.
“ALL KEY CHECK”
“0x0001(ALL=0x00f3)”
“0x0001(ALL=0x00f3)”
2. Press the
HOME
button, then the hexadecimal number
2h is added and the following indication is displayed.
“0x0003(ALL=0x00f3)”
3. Press the – button, then the hexadecimal number 10h is added
and the following indication is displayed.
“0x0013(ALL=0x00f3)”
4. Press the + button, then the hexadecimal number 20h is added
and the following indication is displayed.
“0x0033(ALL=0x00f3)”
5. Press the > button, then the hexadecimal number 40h is
added and the following indication is displayed.
“0x0073(ALL=0x00f3)”
6. Press the . button, then the hexadecimal number 80h is
added then “0x00f3(ALL=0x00f3)” “KEYCHECK OK!”
displayed momentarily, and the machine exits the All Key
Check Mode and the Test Mode.
displayed momentarily, and the machine exits the All Key
Check Mode and the Test Mode.
7. While the machine is in any step of step 2 to step 5 of the All
Key Check mode, press the Nx button.
8. Then “key check Canceled..” displayed momentarily, and the
All Key Check mode is stopped.
9. Re-press the Nx button, back to the original step the All
Key Check mode.
5. CHARGE CURRENT SELECT
1. While the machine is in the TEST MODE (HOLD:ON), press
the > button, the charge current and the indication toggles
as shown below.
as shown below.
“CHG: 100mA” and “CHG: 500mA”
6. CHARGE ON/OFF SELECT
1. While the machine is in the TEST MODE (HOLD:ON), insert
to the USB port on PC.
2. Press the . button, then the charge ON/OFF and the
indication toggles as shown below.
“CHG: start..” and “CHG: stop..”
7. BEEP ON/OFF CHECK
1. While the machine is in the TEST MODE (HOLD:ON), press
the + button.
2. Then the beep ON/OFF and the indication toggles as shown
below.
“BEEP: OFF” and “BEEP: ON”
3. When switch is set to “BEEP: OFF” from “BEEP: ON”, check
that the beep sound comes from headphone jack.
8. DISPLAY CHECK
1. While the machine is in the TEST MODE (HOLD:ON), press
the – button.
2. Then brightness of entire screen changes in the following order,
each time the – button is pressed.
Entire screen shows full brightness. (ALL ON)
Entire screen shows black screen. (ALL OFF)
Entire screen shows half brightness. (HALF ON)
Entire screen shows black screen. (ALL OFF)
Entire screen shows half brightness. (HALF ON)
9. SLEEP CHECK
1. While the machine is in the TEST MODE (HOLD:OFF), press
the + button.
2. Then “SLEEP IN” displayed momentarily, and the machine
enters the sleep mode.
3. While the machine is in the sleep mode, press any button.
4. Then “SLEEP OUT” displayed momentarily, the machine exits
4. Then “SLEEP OUT” displayed momentarily, the machine exits
the sleep mode and enters the test mode of the pressed key.
10. INFORMATION CHECK
1. While the machine is in the TEST MODE (HOLD:OFF), press
the – button to enter the information mode.
2. Each time the – button is pressed, various information are
checked in the following order.
“VERSION: 0.8.04.00”
“BOOTs VERSION: 0.4”
“SHIMUKE: JP”
“HWCONF: m:02h v:0h”
“Storage: 512MB”
“TUNER: NO”
“SVN VERSION: 1600:1601S”
“BOOTs VERSION: 0.4”
“SHIMUKE: JP”
“HWCONF: m:02h v:0h”
“Storage: 512MB”
“TUNER: NO”
“SVN VERSION: 1600:1601S”
11. HOW TO EXIT THE TEST MODE
Press the RESET switch in any state to exit the test mode.
12
NW-E002/E003/E005
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
• 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.
J
: PLAY BACK
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:
Parts face side:
Parts face side:
Parts on the parts face side seen from
(Side A)
the parts face are indicated.
Pattern face side: Parts on the pattern face side seen from
(Side B)
(Side B)
the pattern face are indicated.
• These boards are multi-layer printed board.
However, the patterns of intermediate-layer have not been in-
cluded in the diagram.
cluded in the diagram.
*
Replacement of IC101, IC201 on MAIN board requires
a special tool.
a special tool.
• Lead Layouts
• Indication of transistor.
surface
CSP (Chip Size Package)
Lead layout of conventional IC
C
B
These are omitted.
E
Q
•
Waveforms
– MAIN Board –
1
IC101
<zz,
(TEX)
200 mV/DIV, 40 ns/DIV
0.8 Vp-p
83.3 ns
2
IC101
<zzb
(EXTAL)
22.2 ns
0.8 Vp-p
200 mV/DIV, 10 ns/DIV
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