Hitachi CX W800 Service Manual

Page 1

TY No. 51 DE

i9) HITACHI cx-waoo

(H,HC,E,E(BS),W,AU)

SERVICE MANUAL

APEA 2 AMEEJWAA

TAPEZ : Tllrll=21®'©:§otiE1E©PLéih

r-CONTENTS-1

(CAUTION
Invisible laser radiation when open interlocks failed or defeated. AVOID DIRECT EXPOSURE TO BEAM.

VARNING
Nér apparaten 6pponats och skyddsanordningen eller satts ur funktion férekommer osynlig laserstrélning, UND-
VIK DIREKT BESTRALNING,

ADVARSEL
Nér apparatet ébnes og beskyttelsesanordningen ikke virker eller seettes un af funktion, forekommer der usynlig
laserstélingl UNDGA DIREKTE BESTRALIN .

ADVARSEL
Nér denne delen er épen 50m fmlge av at lésen er utko let eIIer ikke fungerer, eksisterer det usynlig
laserstrélingUNNGA A BLI UTSATT FOR DIREKTE BESTR LING!

VAROITUS

Laite Iéhettééi nékymétéma lasersételiy'é, kun se avataan ja kun siséiset turvalukox eivét toimi. VARO
JOUTUMASTA ALTTIIKSI SATElLYLLE,

K 1

SAFETY PRECAUTIONS A

The Iollowmg precautions should be observed when sen/icing.

I. Since many parts in the uni: have specral safely related characteristics. always use genuine Hitachi's replacemem parrs.
Especially critical parts in the power crrcun block should not be replaced With other makers
Critical parts are marked with A in the CIICulI diagram and printed wrring board.

2. Belore returning a repaired unit to the customer, the sen/ice technician mus! thoroughly rest the unit ro ascertain Ihar n
is completely sale to operate withom danger of electrical shock.

SPECIFICATIONS ..................... 2
DISASSEMBLY ...................... 2
DIAL CORD STRINGING ................ 3
ADJUSTMENT ....................... 4
DESCRIPTION OF NEW PARTS ............ 12
BLOCK DIAGRAM ................... 15
WIRING DIAGRAM .................... 17
PRINTED WIRING BOARD .............. 19
CIRCUIT DIAGRAM ................... 23
EXPLODED VIEW ..................... 30
REPLACEMENT PARTS LIST .............. 34
L J
7

SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.

CD PLAYER INCORPORATED-
HIGH PERFORMANCE PORTABLE CREATIVE SOUND SYSTEM

July 1986 TOYOKAWA WORKS

Page 2

CX-W800 l

SPECIFICATIONS
0 GENERAL SPECIFICATIONS

Power Supply:

AC:240 V 50 Hz [For E(BS), AU]
AC:220 V 50 Hz [For E]
AC 120 V,60 Hz [For H, HC]

AC 110 - 120V/200 - 220VI230 - 240V

50/80 Hz [For W]

06:12 V [0" cell (IEC F120) x 8 or equivalent]

Power (mains)

Consumption:

75 W [For E, E(BS), W, AU)

50W [For HC]
35W (ForHI
Spedters: 16 cm 8 ohms, 12 cm 4 ohms x 2
Coaxial tweeter x 2
Output: 100W PMP (AC operation)
31 W (SWX 2+ 15W) (AC 10% THD)
Dimensions: 620 (W) x 231 (H) x 216 (D) mm
Weight: 8.5 kg (with batteries)

0 RADIO SECTION

Circuit System:

Tuning Range:

Antenna (Aerials):

[For E, E(BS)]

FM/SW2/SW1/MW 4 band superheterodyne

[For H, HC, W, AU]

FM 87.5 to 108 MHz [For E, E(BS)]
FM 88 to 108 MHz [For H, HC, W, AU]
SW 6.0 to 18.0 MHz

SW2 7.0 to 22.0 MHz [For H, HC, W, AU]
SW1 2.3 to 7.0 MHZ [For H, HC,W, AU]

MW 530 to 1605 kHz
LW 150 to 285 kHz [For E, E(BS)]

FM/SW/MW/LW 4 band superheterodyne

FMISW/SWZ: Telescopic antenna (aerial)

SW1/MWlAM)/LW: Built-in ferrite-core antenna

(aerial)

0 TAPE RECORDER SECTION

Recording System:
Erasing System:

AC bias
AC erase

Playback Frequency

Response: NORMAL 40 to 13,000 Hz
CrO2 40 to 14,000 Hz
METAL 40 to 15,000 Hz

Input Sensitivity

and Impedance: Phone/Line

Output:

Load

Phone 8 mV 47 kohms
Line 500 mV 82 kohms
Mic 7 mV 3.3 kohms
Line Out: 500 mV

Impedance: Headphones: 8 to 300 ohms

0 CD PLAYER SECTION

Playing Time: Approx. 60 minutes/one side
Diameter: 120 mm
Sampling Frequency: 44.1 kHz

Ouen

Frequency Response:

16 bit linear/channel
20 to 20,000 Hz

tixation Number:

Specifications are subject to change for performance improvement without notice

DISA SSEMBL Y

How to replace the parts.

1.

(1)

(2)

(3)

(4)

Front case (Fig. 1)

Remove eight screws ® and pull to the arrow di-
rection.

Top case (Fig. 2)

Remove two screws ® , four screw @ and three
screws (4) .

Then pull to the arrow direction.

Cassette chassis (Fig. 3)

Remove eight screws (5) and four connectors.
Unit Mechanism (Fig. 3)

Remove four screws ©, four screws ® and
remove the Base plate. Then remove four screws
., the Flexible P.W.B. and two connectors G)

How to remove the P.W.B.s.

(1)

(2)

(3)

CD switch P.W.B. (Fig. 3, 4)

Remove one screws ® (Fig. 4) and two connec-
tors (Fig.3).

Main P.W.B. (Fig. 4)

Remove six screws and one screw ® and
seven connectors. Then open four claws to the
arrow direction.

CD display P.W.B. (Fig. 5)

Remove four connectors and open three claws to
the arrow direction.

(4)

(5)

(6)

(7)

(8)

PX P.W.B. (Fig. 3, 6)

Remove four screws and four screws .
Then remove two connectors ® , the Flexible
P,W.B,, two connectors (Fig. 3) and two con-
nectors © (Fig. 6).

Power supply P.W.B. (Fig. 6)

Remove two screws , two screws ® and
three connectors.

3D indicator P.W.B. and 3D switch P.W.B. (Fig. 5)
Remove three screws

Graphic equalizer unit (Fig. 5)
Remove two screws
Headphones P.W.B. (Fig. 5)
Remove one screw

How to remove Power transformer (Fig. 6)
Pull out the Reinforcing plate and remove it. Then
remove four screws

Note) During assembly, exercise care to prevent lead wires

from being tight and caught in the cabinet.