Sony WH-1000XM4 Service Manual page 22

WH-1000XM4
REPLACEMENT OF HEADBAND BLOCK FOR REPAIR
When headband block is defective, it is possible to replace for repair
the headband block only.
Remove the left and right housing block from the hanger, replace
it with a new headband block (headband assy SV (EXPLODED
VIEWS: Ref. No. HB1). It is not possible to repair by disassembling
the headband block.
Note 1: It is possible to remove the aori cushion from the headband block,
and to replace it with a new part.
Note 2: Since the serial number is engraved on the headband block, when
headband is replaced with a new part, the serial number is changed.
headband assy SV
(EXPLODED VIEWS: Ref. No. HB1)
Serial
number
– L-ch –
aori cushion
22
COMPONENT PARTS OF SV HEADPHONES ASSY
– R-ch –
•
Headband block
Headband assy
Model number and Serial number engraved
Mechanical
parts
Electrical
parts
Board
•
Earpad (R) assy
Screen (R)
Cushion (BATT)
Lithium ion storage battery
Flexible fl at cable (22 core)
Ornament R assy (with TPAD
R board)
P2 tapping screw (4 pieces)
SV headphones assy
Headband block
Housing block (R-ch)
Component Parts of SV Headphones Assy
Housing block (R-ch)
P2 tapping screw
Cover FB MIC
Light guide (USB)
MIC (FF) holder
Plate front (R) sub assy
Driver (040F062)
Flexible fl at cable
(14 core)
MDD R (UEWX2) wire
Electret CAP micro-
phone (FB)
Electret CAP micro-
phone (FF)
THM R board
SUB R board
USB R board
Parts not Included in the Component of SV Headphones
Assy
Housing block (R-ch)
Sony CONFIDENTIAL
For Authorized Servicer
Model number and
Serial number
engraved
Housing block (L-ch)
Housing block (L-ch)
P2 tapping screw
Cover FB MIC
Holder sensor
Holder KEY FPC
Kapton sheet
Wire sheet
MIC (FF) holder
Plate front (L) sub assy
Driver (040F062)
Flexible fl at cable
(6 core)
MDD L (UEWX2) wire
NFC (UEWX2) wire
Electret CAP micro-
phone (FB)
Electret CAP micro-
phone (FF)
JACK (UEWX4) wire
MAIN L board
NFC L board
KEY board
JACK L board
SENS L board
Housing block (L-ch)
Earpad (L) assy
Screen (L)
Ornament L assy (with DMIC
module, Adhesive NFC)
P2 tapping screw (4 pieces)
SYS SET