Sony WH-1000XM3 Service Manual page 5

WH-1000XM3
NOTES ON DISASSEMBLY
The precise noise canceling function of this unit is adjusted in the
production process.
Therefore, it is not possible to disassemble the portion affecting the
adjustment of the noise canceling function or to replace the parts
affecting it.
(It is not possible to adjust the noise canceling function)
Refer to the following for repairing and replacing the main parts.
• Disassembly Prohibited Portion
Left and right housing interior, do not disassemble of the latter than
the status of following fi gure.
If disassembling this unit to the latter than the status shown in the
fi gure below, malfunction will occur in adjustment of the noise can-
celing function.
– Left housing interior
(outside) –
Disassembly of parts other
than ornament are prohibited.
– Right housing interior
(outside) –
Disassembly of parts other
than ornament, lithium ion
storage battery, SUB board
are prohibited.
6
– Left housing interior
(inside) –
Disassembly of parts other
than earpad, screen, ornament
fixing screw are prohibited.
– Right housing interior
(inside) –
Disassembly of parts other
than earpad, screen, ornament
fixing screw are prohibited.
• Repairing and Replacing of Disassembly Prohibited
Portion
Replace the SV headphones assy (EXPLODED VIEWS: Ref. No.
HPN1) if the parts included in the left disassembly prohibited portion
are defective.
Note 1: When the Ref. No. HPN1 is replaced, the serial number changes.
SV headphones assy
(EXPLODED VIEWS: Ref. No. HPN1)
• Repairing and Replacing of Headband Block
When the headband block is defective, only the headband block can
be repaired and replaced.
Remove the left and right housing block form the repairing unit,
replacing by a new head band assy (EXPLODED VIEWS: Ref. No.
HB1).
Note 2: Slider lower (L) assy, slider lower (R) assy and cushion AORI can
be replace with single part. Refer to the exploded views for details.
– Front –
head band assy
(EXPLODED VIEWS: Ref. No. HB1)
Sony CONFIDENTIAL
For Authorized Servicer
– Right side –
SYS SET