Sony mdr cd 666 service manual

Page 1

MDR-80555/CDBBB

SERVICE MANUAL

Discard MDFI-CDSSS SERVICE MANUAL
(N0_ 9-953-551-11) previously issued
TNSSERWCEMANUAmemmsK

SPECIFICATIONS

Dynamic, closed
1330mm Titanium,
evaporated diaphragm,

Type
Driver units

dome type

Impedance 45 ohms at 1 kHz

Sensitivity 106 dB/mW

Power handling capacity
500m

Frequency response
5-27.000 Hz

Cord Approx. 3m long LC-OFC
Iitz cord with a gold-
pIated stereo unimatch
plug

Weight Approx. 210%

(without cord)

1. DISASSEMBLY
[DRIVER REMOVAL]

0 Follow the disassembly procedure in the numerical order given

Remove 4 latches as illustrated.

broad-flat
screwdriver

[EAR PAD INSTALLATION]
0 Insert ear pad in the groove of housing as illustrated.

OAfter that, set ear pad in housing by pushing iti

ear pad

housing

U8 Model

MDH-CDE55/CDS66

Canadian Model
AEP Model

UK Model

E Model

MDH-CD555

MOUNTING DIAGRAM

copper

6/

(DC

copper

\W/

RED

red mark
% driver (LI
#6,,

copper

red mark

33%

driver (I?)

STEREO HEADPHONES
SONY;

Page 2

MDR-CD555/CD666

3. EXPLODED VIEW AND PARTS LIST

NOTE:

0 The mechanical parts with no reference 0 Due to standardization. parts with part
number in the exploded views are not number suffix -XX and -X may be dif-
supplied. ferent from the parts specified in the

o The construction parts M an assembled components used on the set.
part are indicated with a collation num- 0 Screw (# mark) Iisl is given in the last of
ber in the remark column. this parts list.

0 Items marked * are not stocked since
they are seldom required for routine
service. Some delay should be antici-
pated when ordering these items.

Ref. No. Part No. Dascription Remark Ref. No. Part No Description Remark
1 2-133-159-01 HOUSING (B) (L)--~(CD§55) IO 2-133-160-01 HOUSING (I3) (R)"(CD§55)
I 4444-00941 HOUSING (B) (L)~-~(CD566) 10 4-944-010-01 HOUSING (B) (R)-~(COEI$6)
7 2-133-i7l-0I NUSHING 1| X~2l33-iOfi-I BAND ASSI. HEAD--(CD555)
3 # 2-133-ISI-DI PLATE (B) (LEFT). FRONT II X-494I-510-1 BAND ASSV, NEAD~"(CD666)
A 2-133-127-01 REGISTER. HOUSING
5 Z-IIS-ITS-OI STOPPER. DRIVER 12 2-133-165-01 RING (RIGHT). EAR PAD
13 I-505-08B-21 DRIVEN
6 Z-I33-I39-OI REGISTER (B). FRONT 14 1-559-100-21 CORD (WITH PLUS)
1 2-133-165-01 RING (LEFT). EAR PAD 15 1-506-589-11 ADAPTER. PLUS
8 X-ZIESrIDS-I PAD ASSV. EAR (II 7485-10249 SCREW +P 2X4 TYPEZ NON-SLIT
3 I: 2438-162-01 PLATE (B) (RIGHT). FRONT .
English
91A0526-1
Sony Corporation Printed in Japan
9-956-208-11 General Audio Group © 1991.1

(Including 995355141) _ 2 _ Published by Customer Relations and Service Group