Sony mdr cd 888 service manual

Page 1

MDR-CDTI'I/CDBBB

SERVICE MANUAL

Discard MDR-CD777 SERVICE MANUAL
(Nor 9-953-552-11) previously issued.
This SERVICE MANUAL contains it.

SPECIFICATIONS

Type Dynamic, closed
Driver units 4540mm sapphire-
evaporated diaphragm,

dome type
Impedance 63 ohms at 1 kHz
Sensitivity 106 dB/mw

Power handling capacity

lOOOmW
Frequency response
5730,000 IIz
Cord Approx. 3m long class 1

LC-OFC Iitz cord with a
gold-plated stereo
unlmatch plug
Weight Approx. 220g
(without cord)
1. DISASSEMBLY
[DRIVER REMOVAL]

0 Follow the disassemblv procedure in (he numerical order given.

Remove 4 latches as illustrated

broa d-Ila t
screwdriver

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

OAfter that, set ear pad in housing by pushing it.

ear pad

housing

US Model

MDH-CD777/CDBSS

Canadian Model
AEP Model

UK Model

E Model

MDR-CD777

MOUNTING DIAGRAM

copper

copper fl:
HE D I? E 0
red mark
(D (% driver (LI 0%

@V \479/

driver (RI
RED\ W GRN

copper

STEREO HEADPHONES
SONE

Page 2

MDR-CD777/CD888

3. EXPLODED VIEW AND PARTS LIST

NOTE:

I 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-
supplled, ferent from the parts specified in the

0 The construotion parts of an assembled components used on the set.
part are Indlcated with a collation num» 0 Screw (at mark) list 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
serwoe. Some delay should be antici-
pated when ordering these items

RetNot Part No Description Remark Ref.Nn. Part No. Description Remark

l X-2133-108-l HOUSING (L) ASSVu-(CDIII) l0 X-2133-l09-I HOUSING (R) ASSN-(00777)

I X-494I-5l8-i HOUSING (L) ASSV---(CIIBSII) 10 X-4941-5l9-l HOUSING (R) ASSN-(CDESR)

2 2-133-171-01 BUSHING 11 X-2133-llll-l RAND ASSY. NEADWICDIH)

3 t 2-133-157-01 PLATE (A) (LEFT). FRONT ll X-494l-521-l BAND ASSY. HEAD-400888)

4 1-l13-129-OI STOPPER. DRIVER

5 Z-l33-138-0l REGISTER (A). FRONT IZ 1505091-11 DRIVER

13 1-574-263-21 CORD WITH PLUG

6 2-133-165-0] RING (LEFT). EAR PAD 14 1-506-589-11 ADAPTOR PLUG

7 #2133-107-1 PAD ASSN. EAR Ill 7'685-l02-19 SCREW lP 2X4 IVPE2 NON-SUI
8 2-133-166-01 RING (RIGHT). EAR PAD

9 t 2-133-153-01 PLATE (A) (RIGHT). FRONT

English

_ 91A0526-l

Sony Corporation Printed in Japan

9-956A206-11 General Audio Group © 1991. 1

(Including 9-953'552'11) _2_ Published by Customer Relations and Service Group