DOWNLOAD Sony NW-E5 Service Manual ↓ Size: 25.53 MB | Pages: 26 in PDF or view online for FREE

Model
NW-E5
Pages
26
Size
25.53 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
nw-e5.pdf
Date

Sony NW-E5 Service Manual ▷ View online

8
NW-E5
3-5. BUTTON (PLAY/STOP), HOLDER (KNOB, SPRING), KNOB (FF/REW)
3-4. LCD UNIT
4
LCD flexible board
(Peel from “chassis, LCD”)
3
Pull out LCD chassis with tilting.
Chassis, LCD
Knob (HOLD)
Knob (FF/REW)
Case ASSY
Case ASSY
Chassis, LCD
Projection
5
Claws
LCD unit
HOLD switch (S800)
1
2
6
4
 Knob (FF/REW)
Case ASSY
Knob (FF/REW)
1
 Button (PLAY/STOP)
Put Gummed tape on surface, and pull it off.
2
 Press Holder (knob, spring) down with 
picking its claws up both sides with tweezers.
Gummed tape
3
Holder (knob, spring)
Tweezers
Holder (knob, spring)
NOTE ON ATTACHING
• On attaching LCD unit to Case ASSY, in
case of pressing Knob (FF/REW), it is hard
to attach it.
• Combine HOLD switch (S800) with Knob
(HOLD).
• Combine the projection on LCD chassis
with Case ASSY.
NOTE ON ATTACHING
1. Insert Holder (knob, spring) from
the bottom side of Case ASSY
with tweezers.
2. Attach Knob (FF/REW) in with
pressing Holder (knob, spring).
3. Attach Button (PLAY/STOP) with
setting 
B
 
x
 marked position.
9
NW-E5
SECTION 4
TEST MODE
Setting the Test Mode
To enter the test mode, two methods are available :
1. Entering method with key input.
Turn the HOLD switch to ON. While holding down the Bx key, press the following keys in the following order :
VOLUME + 
t VOLUME – t VOLUME – t VOLUME + t VOLUME – t MEGA BASS t MEGA BASS t DISPLAY
Note : Push each key for less than 3 seconds.
2. Entering method by shorting the test point.
Solder brige the test point SL701 (TEST) on the main board and turn on the power.
Releasing the TEST mode
1. When test mode was entered with key input, turn off the power supply.
2. When test mode was entered by shorting the test point, turn off the power supply and open the solder brige of SL701 (TEST) on the main
board.
Test mode
Short : Test mode
Open : Normal mode
(
    )
1
4
regulated
DC power supply
Connecting cable
supplied with the set
USB Connector
(1-784-009-11 or 1-779-676-11)
Set
Battery terminal
CN701
(USB Connector)
regulated
DC power supply
LCD
Check
Ver. /
destination
display
All display
lit
(+)
(–)
All display
off
Flash memory
bad block
check
Bx
Bx
(+)
(–)
(+)
(–)
Destination
setting
Contrast
adjustment
(–)
Low voltage
check
(–)
Bx
Bx
(–)
High DC
detection
check
Low DC
detection
check
(+)
Supply 0.9V DC to battery 
terminal and press (–) key.
Supply 1.24V DC to battery 
terminal and 7V DC to USB 
connector and press (+) key.
Supply 1.24V DC to battery 
terminal and 4V DC to USB 
connector and press (+) key.
Configuration of Test Mode
The test mode has the configuration given below.
Bx
: Play/stop key
(+)
: VOLUME + key
(–)
: VOLUME – key
Connection
R805
R804
R814
R806
R812 R813
R811
R810
R702
JC704
TP3
SL701
(TEST)
TP701
MAIN BOARD   (SIDE A)
10
NW-E5
LCD check
Check the condition of indication by all display is lit or not.
Bx key : check start
Flash memory bad block check
OK
:  Flash  The back light turns on
NG
:  Flash  The back light turns on and off
AVLS key : select the destination
  AREA E-12  (AEP, UK, Franch, German).
Destination setting
Bx key : Enter the destination
OK
: The back light turns on
NG
: The back light turns on and off
Contrast adjustment
Display 
n LCD 45 – 13
contrast value (Initial value : 45)
>, . key  : Select the contrast value.
Bx key
: Enter the contrast value.
Normally, do not perform this adjustment.
Low voltage check
Low voltage detection check
OK
:  Lo Bat OK  The back light turns on
NG
:  Lo Bat NG  The back light turns on and off
Battery high voltage detection check
High DC detection check
OK
:  Hi DC OK  The back light turns on
NG
:  Hi DC NG  The back light turns on and off
Battery low voltage detection check
Low DC detection check
OK
:  Lo DC OK  The back light turns on
NG
:  Lo DC NG  The back light turns on and off
Description of each Mode (         : indication on display)
n
The regulated DC power supply voltage supplied to USB connector on checking each voltage value.
OK
NG
Low voltage check
0.9V
1.0V or more
High DC detection check
7.0V or more
6.0V or less
Low DC detection check
4.0V or less
5.0V or more
11
11
NW-E5
SECTION 5
DIAGRAMS
5-1. BLOCK DIAGRAMS
• Signal path.
F
: ANALOG
J
: DIGITAL
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