Sony MDR-Z1R Manuale utente
SERVICE MANUAL
Sony Video & Sound Products Inc.
9-896-314-01
2016I33-1
© 2016.09
MDR-Z1R
SPECIFICATIONS
STEREO HEADPHONES
US Model
Canadian Model
AEP Model
UK Model
E Model
Australian Model
Chinese Model
Tourist Model
Ver. 1.0 2016.09
Type: Closed, dynamic (circum-aural) / Driver unit: 70 mm, dome type (CCAW Voice
Coil) / Power handling capacity: 2,500 mW (IEC*) / Impedance: 64 Ω at 1 kHz /
Sensitivity: 100 dB/mW / Frequency response: 4 Hz - 120,000 Hz / Mass: Approx.
385 g (14 oz) without cable / Included items: Stereo headphones (1), Headphone
cable (Approx. 3 m (118 1/8 in), silver-coated OFC strands, gold-plated stereo mini
plug) (1), Balanced-connection headphone cable (Approx. 1.2 m (47 1/4 in), silver-
coated OFC strands, Gold plated balanced standard plug) (1), Gold-plated unimatch
plug adaptor (stereo phone plug stereo mini jack) (1), Hard case (1)
* IEC = International Electrotechnical Commission
Design and specications are subject to change without notice.
MDR-Z1R
2
SECTION 1
SERVICING NOTES
NOTE OF REPLACING THE HEAD BAND ASSY
A serial number is marked on the slider of head band assy.
Therefore, when the head band assy is replaced, the serial number
changes.
Serial No.
– Inside of L side slider –
The SERVICING NOTES contains important information for servicing. Be sure to read this section before repairing the unit.
NOTE OF REPLACING THE HARD CASE ASSY
When replacing the hard case of supplied with the unit, remove the
serial plate from the hard case of before replacing and attach that
to the new hard case.
Note: The serial plate does not attached to the new hard case.
1Remove the serial plate from the hard case of before replacing.
Note: Serial plate is stuck with double-sided tape.
Remove the
serial plate.
– Hard case of before replacing –
Serial plate
Serial plate
2Stick a double-sided tape of sold on the market so that not
protrude from the outer shape of the serial plate.
Serial plate
back side
Double-sided tape
3Attach the serial plate to the specified position of the new hard
case.
Attach the serial plate in the position shown in the
following figure.
– New hard case –
Serial plate
About 85 mm
Center
MDR-Z1R
3
SECTION 2
DISASSEMBLY
• This set can be disassembled in the order shown below.
2-1. DISASSEMBLY FLOW
SET
2-3. TWIST HOLDER, HOUSING BLOCK
(Page 5)
2-4. FRONT PLATE ASSY
(Page 5)
2-5. HOUSING ASSY, HANGER ASSY
(Page 6)
2-2. EAR PAD ASSY
(Page 4)
Note: L-ch and R-ch can be similarly disassembled.
The illustration of R-ch is used for explanation.
MDR-Z1R
4
Note: Follow the disassembly procedure in the numerical order given.
2-2. EAR PAD ASSY
housing block ear pad assy
–R-ch –
2ear pad assy
– Lower view –
+ow Wo ,GeQWiI\ Whe L-chR-ch eDr SDGV
+ow Wo iQVWDOO Whe eDr SDG DVV\
lower side
R-ch: red mark
L-ch: white mark
R-ch: red mark
L-ch: white mark
claw
1Align the red marks of the ear pad assy
and housing block.
housing (R) block
ear pad (R) assy
2Align the guide line (unlock)
with the mark on the lower side.
mark
guide line
(unlock)
mark
guide line
(lock)
3Rotate the ear pad assy in the direction
of the arrow, and align the mark with
the guide line (lock).
– Lower view –
(L-ch)
(R-ch)
housing (L) block
ear pad (L) assy
mark
guide line
(unlock)
mark
guide line
(lock)
4Check that the claw is locked
as shown in the figure below.
lower side lower side
(L-ch)(R-ch)
seam
red mark white mark
seam
lower side
claw
1Rotate the ear pad assy counter-clockwise
to remove the claw.
claw
ear pad assy
lower side
lower side
housing block
ear pad assy
claw
ear pad (R) assy ear pad (L) assy
Note: L-ch and R-ch can be similarly disassembled. The illustration of
R-ch is used for explanation.
MDR-Z1R
5
2-3. TWIST HOLDER, HOUSING BLOCK
2-4. FRONT PLATE ASSY
2ornamental tapping screw
(M1.7 u4)
2ornamental tapping screw
(M1.7 u4)
3shaft stopper
4twist holder
5housing block
–R-ch –
1Extend the slider
in the direction
of the arrow.
1four tapping
screws
(P2 u5)
2Remove the front plate block
in the direction of the arrow.
rib
front plate assy
front plate assy
:LUHVHWWLQJ
Wire attachment direction.
Wire attachment direction.
groove
rib
groove
wire
wire
1tapping
screw
(P2 u5)
1tapping screw
(P2 u5)
3Remove the
two solders.
[red]
Note 5: Perform the soldering work
in 2 seconds or less.
[red]
Note 5: Perform the soldering work
in 2 seconds or less.
–5FK–
4front plate assy
Note 3: When installing the front plate assy,
align the two ribs and two grooves.
Note 2: When installing the front plate
block, be careful of the wire
getting pinched.
(Check that it is secured using
the rib and groove as shown in
the figure right before installing)
Take care not to damage the U-shaped groove.
Take care so that the wire is not positioned over the rib.
:LUHVHWWLQJ
mark
Note 4: The mark side
is red wire.
mark
Note 4: The mark side
is red wire.
Note 6: Take care so that
the solder does not
touch the bond.
Note 6: Take care so that
the solder does not
touch the bond.
[natural]
Note 5: Perform the soldering
work in 2 seconds or
less.
[natural]
Note 5: Perform the soldering
work in 2 seconds or
less.
(7\SH%
(7\SH$
Note: L-ch and R-ch can be similarly disassembled. The illustration of
R-ch is used for explanation.
Note 1: L-ch and R-ch can be similarly disassembled. The illustration
of R-ch is used for explanation.
MDR-Z1R
6
2-5. HOUSING ASSY, HANGER ASSY
4housing assy
5holder
hanger (R)
6holder hanger (L)
2two tapping screws
(P2 u5) 2two tapping screws
(P2 u5)
7hanger assy
hanger assy
1sealing rear cushion
Note 2: When installing the sealing rear cushion,
affix the glossy surface to the housing assy.
hole
3Draw the jack cable
out of the hole.
–R-ch –
lower side
+RZ WR LQVWDOO WhHhROGHU hDQJHU /R
holder hanger (L)
holder hanger (L)
groove
hole
1Align the hole and groove.
-DcNcDEOH VHWWLQJ
1Pass the jack cable into
the housing assy hole.
holder hanger (R)
holder hanger (R)
holder hanger (R)
3Install the holder hanger (R) while
gently pulling the jack cable in the
direction of the arrow.
Note 3: Check that the holder hanger
(R) is not raised.
2Press the jack cable into
the holder hanger (R)
groove.
holder hanger (R)
groove hole
1Pass the jack cable.
2Align the hole and groove.
+RZ WR LGHQWLI\ WhHhROGHU hDQJHU / DQG hROGHU hDQJHU R
Note 4: Identify the holder hanger (L) and holder hanger (R)
by looking at the engraving on the parts.
“R” : holder hanger (R) “L” : holder hanger (L)
Note 1: L-ch and R-ch can be similarly disassembled. The illustration
of R-ch is used for explanation.
7
MDR-Z1R
SECTION 3
EXPLODED VIEWS
Note:
• -XX and -X mean standardized parts, so
they may have some difference from the
original one.
• Items marked “*” are not stocked since
they are seldom required for routine ser-
vice. Some delay should be anticipated
when ordering these items.
• The mechanical parts with no reference
number in the exploded views are not sup-
plied.
• Color Indication of Appearance Parts Ex-
ample:
KNOB, BALANCE (WHITE) . . . (RED)
Parts Color Cabinet’s Color
3-1. R-ch SECTION
–L-ch –
L-ch, head band section
–R-ch –
8
6
7
3
1
9
HJ2
2
2
2
2
2
2
10
10
4
2
2
5
2
2
DR2
1 A-2166-863-A EAR PAD (R) ASSY (for R-ch)
2 3-080-206-21 SCREW, TAPPING, P2 (L = 5 mm)
3 4-591-213-01 CUSHION, SEALING REAR
4 4-591-221-01 HOLDER, HANGER (R)
5 4-591-220-01 HOLDER, HANGER (L)
6 4-591-217-01 O-RING, ID2 W1
7 A-2126-358-A HOUSING (R) ASSY (for R-ch)
8 4-592-690-01 HOLDER, TWIST
9 4-592-691-01 STOPPER, SHAFT
10 4-541-006-11 ORNAMENTAL SCREW, M1.7 TAPPING (L = 4 mm)
DR2 A-2166-710-A PLATE, FRONT (R) ASSY (Including Driver)
(for R-ch)
HJ2 A-2166-712-A HANGER (R) ASSY (Including Jack (with cable))
(for R-ch)
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark
8
MDR-Z1R
3-2. L-ch, HEAD BAND SECTION
60
60
–L-ch –
–R-ch –
58
56
57
53
52
52
52
52
5252
51
59
HJ1
54
52
52
55 52
52
DR1
Note: A serial number is marked on the slider
of head band assy. (refer to page 2)
Therefore, when the head band assy
(Ref. No. 61) is replaced, the serial
number changes.
61
51 A-2166-862-A EAR PAD (L) ASSY (for L-ch)
52 3-080-206-21 SCREW, TAPPING, P2 (L = 5 mm)
53 4-591-213-01 CUSHION, SEALING REAR
54 4-591-221-01 HOLDER, HANGER (R)
55 4-591-220-01 HOLDER, HANGER (L)
56 4-591-217-01 O-RING, ID2 W1
57 A-2126-357-A HOUSING (L) ASSY (for L-ch)
58 4-592-690-01 HOLDER, TWIST
59 4-592-691-01 STOPPER, SHAFT
60 4-541-006-11 ORNAMENTAL SCREW, M1.7 TAPPING (L = 4 mm)
61 A-2126-356-A BAND ASSY, HEAD (Chinese) (See Note)
61 A-2143-302-A HEAD BAND ASSY (Except Chinese) (See Note)
DR1 A-2166-709-A PLATE, FRONT (L) ASSY (Including Driver)
(for L-ch)
HJ1 A-2166-711-A HANGER (L) ASSY (Including Jack (with cable))
(for L-ch)
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark
Ref. No. Part No. Description Remark
MDR-Z1R
99
SECTION 4
ACCESSORIES
4-593-590-13 MANUAL, INSTRUCTION
(ENGLISH, FRENCH, GERMAN, SPANISH,
DUTCH, ITALIAN, PORTUGUESE, POLISH,
GREEK, CZECH, HUNGARIAN, RUSSIAN,
BULGARIAN, SLOVAK, SLOVENIAN,
TRADITIONAL CHINESE, KOREAN, ROMANIAN)
(Except Chinese)
4-593-590-21 MANUAL, INSTRUCTION (SIMPLIFIED CHINESE)
(Chinese)
4-593-591-11 PRODUCT INFORMATION
(ENGLISH, FRENCH, SPANISH) (Except Chinese)
4-593-591-21 PRODUCT INFORMATION
(GERMAN, DUTCH, ITALIAN) (Except Chinese)
4-593-591-31 PRODUCT INFORMATION
(RUSSIAN, TRADITIONAL CHINESE, KOREAN)
(Except Chinese)
4-593-591-42 PRODUCT INFORMATION
(SIMPLIFIED CHINESE) (Chinese)
501 A-2144-924-A CABLE (W) ASSY (Headphone cable (Approx. 3 m,
silver-coated OFC strands,
gold-plated stereo mini plug))
502 A-2144-925-A CABLE (W, BALANCE) ASSY
(Balanced-connection headphone cable
(Approx. 1.2 m, silver-coated OFC strands,
gold-plated balanced standard plug))
503 X-2594-062-1 HARD CASE ASSY (Hard case: without serial plate)
(See Note)
504 1-566-410-41 ADAPTOR, PLUG (Gold-plated unimatch plug
adaptor (stereo phone plug ystereo mini jack)
501
Headphone cable
(Approx. 3 m, silver-coated OFC strands, gold-plated stereo mini plug) (1)
503
Hard case (1)
(Without serial plate)
504
Gold-plated unimatch plug adaptor
(stereo phone plug ystereo mini jack) (1)
502
Balanced-connection headphone cable
(Approx. 1.2 m, silver-coated OFC strands, gold-plated balanced standard plug) (1)
Note: When the hard case assy (Ref. No. 503) is replaced, refer to
“NOTE OF REPLACING THE HARD CASE ASSY” on
page 2.
MDR-Z1R
REVISION HISTORY
Ver. Date Description of Revision
1.0 2016.09 New
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