Sony NWZ-A844 / NWZ-A845 / NWZ-A846 / NWZ-A847 Service Manual ▷ View online
NWZ-A844/A845/A846/A847
5
SECTION 2
DISASSEMBLY
•
This set can be disassembled in the order shown below.
2-1. DISASSEMBLY FLOW
Note: Follow the disassembly procedure in the numerical order given.
2-2. REAR
ASSY
Note 1: This illustration sees the set from rear side.
2-5. MAIN
BOARD
(Page
7)
2-6. SVX HP JACK ASSY (HPJ1)
(Page
(Page
8)
2-4. SVX BATTERY ASSY (BAT1)
(Page
(Page
6)
2-7. MAIN CHASSIS BLOCK,
SVX VOL KEY FPC
(Page
8)
2-8. SHEET KEY (7KEY),
FRONT
FRONT
PANEL
ASSY
(Page
9)
SET
2-3. SUPPORT
(PWB)
(Page
6)
2-2. REAR
ASSY
(Page
5)
9
Note 2: When removing the rear assy, please remove claw
in the following order.
There is a possibility that the EL indicator element
is damaged if claw is not removed in the order.
Procedure:
1. Insert your nail in the gap between rear assy and
1. Insert your nail in the gap between rear assy and
front block. Then slide your nail to arrow direction
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2. Adhesive sheet (holder jack) is floated a little.
3. Insert your nail in the gap. Then slide your nail to
3. Insert your nail in the gap. Then slide your nail to
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4. Claw (E) two places of the highest rung are
removed at the end.
8 two claws (E)
(Refer to “Note 2”.)
7FODZ'
(Refer to “Note 2”.)
6 claw (C)
(Refer to “Note 2”.)
2 two screws (1.4 X 5)
0 adhesive sheet
(holder
jack)
Note 3: This parts has
been
been
deleted
in the midway
of
production.
qa rear assy
1 shaft
(guard)
4FODZ%
(Refer to “Note 2”.)
3 claw (A)
(Refer to “Note 2”.)
5 adhesive sheet
(holder
jack)
(Refer to “Note 2”.)
two claws (E)
front block
FODZ'
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claw (C)
adhesive sheet (holder jack)
claw (A)
– Rear view –
NWZ-A844/A845/A846/A847
6
2-3. SUPPORT
(PWB)
Note: This illustration sees the front block from MAIN board side.
2-4. SVX BATTERY ASSY (BAT1)
Note 1: This illustration sees the front panel block from battery side.
6 support (PWB)
2 sheet (battery wire)
1 sheet (VOL wire)
4 spacer (LINE IN)
3 kapton sheet (CN1)
5 adhesive sheet
(support
PWB)
MAIN board
front panel block
NG
OK
2 adhesive sheet (BATT)
1 Remove two solders of
SVX battery assy (BAT1).
4 spacer (BATT)
3
5 SVX battery assy (BAT1)
Note 2: When the SVX battery assy (BAT1)
is removed, refer to “ABOUTTHE
HANDLING OF THE SVX BATTERY
ASSY (BAT1)” (page 3).
front panel block
When installing SVX battery assy (BAT1), put wire in
the space between main chassis and SVX battery
assy (BAT1) as shown in the figure below.
the space between main chassis and SVX battery
assy (BAT1) as shown in the figure below.
SVX battery assy
(BAT1)
(BAT1)
wire of SVX battery
assy (BAT1)
assy (BAT1)
red
red
black
black
main chassis
SVX battery assy
(BAT1)
(BAT1)
wire of SVX battery
assy (BAT1)
assy (BAT1)
main chassis
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NWZ-A844/A845/A846/A847
7
2-5. MAIN BOARD
Note: This illustration sees the front panel block from MAIN board side.
NG
OK
NG
OK
SVX battery assy
(BAT1)
(BAT1)
wire of SVX battery
assy (BAT1)
assy (BAT1)
main chassis
SVX battery assy
(BAT1)
(BAT1)
wire of SVX battery
assy (BAT1)
assy (BAT1)
main chassis
Frame of main chassis
Frame of main chassis
wire of SVX VOL key FPC
wire of SVX VOL key FPC
When installing SVX battery assy (BAT1), put wire in
the space between main chassis and SVX battery
assy (BAT1) as shown in the figure below.
the space between main chassis and SVX battery
assy (BAT1) as shown in the figure below.
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When installing SVX VOL key FPC, arranges wire outside of
the frame of the main chassis as shown in the figure below.
the frame of the main chassis as shown in the figure below.
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red
black
red
black
red
black
red
black
2 Remove two solders of
SVX VOL key FPC.
9 MAIN board
4 EL indicator element flexible board
7 screw (B1.4) 7 screw (B1.4)
1 Remove two solders of
SVX battery assy (BAT1).
6 screw (M1.4)
8
5 HP jack flexible board
3 sheet key (7key) flexible board
battery block
NWZ-A844/A845/A846/A847
8
2-7. MAIN CHASSIS BLOCK, SVX VOL KEY FPC
Note: This illustration sees the chassis block from chassis side.
2-6. SVX HP JACK ASSY (HPJ1)
Note 1: This illustration sees the battery block from battery side.
2
4
1 Put out the wire of SVX VOL key FPC to outside.
3 main chassis block
5 adhesive sheet (PWB VOL)
front panel assy block
6 SVX VOL key FPC
2 jack holder
1 screw (B1.4)
3 SVX HP jack assy (HPJ1)
chassis block
claw of chassis block
HP jack flexible board
HP jack block is pushed.
catch
lib of HP jack block
Setting the position of lib of HP jack block and claw
of chassis block, and inserting the HP Jack block.
of chassis block, and inserting the HP Jack block.
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Note 2: HP jack flexible
board is put on
catch.
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