Sony NW-E5 Service Manual ▷ View online
6
NW-E5
7
NW-E5
SECTION 3
DISASSEMBLY
Note : Follow the disassembly procedure in the numerical order given.
3-1. CHASSIS ASSY, CASE ASSY
3-2. LID, CASE
r
The equipment can be removed using the following procedure.
2
Screw B1.7x4
3
1
Chassis ASSY
Lid, case
Chassis ASSY
Set
Lid, Case
Case ASSY
LCD unit
Knob (PLAY/STOP), holder (knob, spring), knob (FF/REW)
Main board, Power board
1
Screw M1.4
5
Plate, lock
2
Screw (1.7x2.5)
6
LCD flexible board
4
Pull out Chassis
ASSY halfway.
Case ASSY
Case ASSY
Chassis ASSY
Chassis ASSY
Knob (FF/REW)
Knob (FF/REW)
3
7
Lid, connector
5
6
4
Chassis (lower)
Chassis (upper)
CN704
CN702
Power board
Main board
1
Mode switch flexible board
(Peel from Chassis (upper))
3
Claws
2
Claw
3-3. MAIN BOARD, POWER BOARD
NOTE ON ATTACHING
On attaching Chassis ASSY, insert it straightly
without strength not to touch Knob (FF/REW).
With strength, sometimes Holder (knob,
spring) in Case ASSY is damaged.
On attaching Chassis ASSY, insert it straightly
without strength not to touch Knob (FF/REW).
With strength, sometimes Holder (knob,
spring) in Case ASSY is damaged.
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”)
(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
• On attaching LCD unit to Case ASSY, in
case of pressing Knob (FF/REW), it is hard
to attach it.
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
1. Insert Holder (knob, spring) from
the bottom side of Case ASSY
with tweezers.
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.
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 +
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
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
Short : Test mode
Open : Normal mode
(
)
1
4
regulated
DC power supply
Connecting cable
supplied with the set
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
detection
check
Low DC
detection
check
(+)
Supply 0.9V DC to battery
terminal and press (–) key.
terminal and press (–) key.
Supply 1.24V DC to battery
terminal and 7V DC to USB
connector and press (+) key.
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.
terminal and 4V DC to USB
connector and press (+) key.
Configuration of Test Mode
The test mode has the configuration given below.
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)
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