Sanyo dc d27 dc d27u

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Service Manual

Mini Component
System

SA/MYO

FILE NO. E _ gm»

1 l

DC-D27
DC-D27U

(XE)
(UK)

Specifications

Note:

PRODUCT CODE No.
129 468 03 (DC-D27)
129 462 02 (DC-D27U)

The below mentioned specifications are mainly based on the IHF measurements standard.

They can therefore not directly be compared with specifications based on the DIN standard or other standards.

TUNER SECTION

Frequency range FM : 87.5 - 1080 MHz

MW : 522 -1.611 kHz

LW:144 - 288 kHz

CASSETTE DECK SECTION

Track system ....... 4 track, 2-channel stereo

Frequency response . . 50 Hz - 14,500 Hz (CrO2 type)
50 Hz - 13,500 Hz (Normal type)

Signal to noise ratio 60 dB ( Dolby NR ON )

Wow & Flutter ...... 012 % (WRMS)
Tape speed ........ 4.75 cm/sec
Fast forward and
rewind time Approx. 110 sec. (0-60)

CD PLAYER SECTION

Type .............. Changer. 3-disc

Channels .......... 2-channel stereo

Sampling frequency .. 44.1 kHz

Pick-up ............ Optical 3-beam semiconductor laser
Laser output ........ 0.6 mW (Continuous wave max.)
Wave length ........ 790 nm

Frequency response . .
Wow & Flutter

20 Hz - 20,000 Hz
Below measurable limits

AMPLIFIER SECTION
Output power

30 Wx 2 (at 4 ohms, 10%
distortion )

Four electronic presets
VIDEO IN : 400 mV/50k ohms
(XE)

ViDEO/PHONO lN : 400 mV/
50k ohms/

2.5 mW (50 k ohms) (UK)
SPEAKER: 4 ohms

PHONES :8 - 32 ohms

Sound preset
Inputs .............

Outputs

GENERAL

Power requirements . .
Power consumption
Dimensions (WxHxD)

AC : 230 V, 50 Hz
85 W
Approx. 270 x 333 x 290 mm

Weight ............ Approx. 7.6 kg
SPEAKER SYSTEMS (XE)

Type .............. 3 way bass reflex

Unit used .......... Woofer: 13 cm cone type

Mid range 2 5 cm cone type
Tweeter : piezoelectric
Maximum power-handling capacity 60 W (peak)

This service manual consists of DC-DZ7U( main unit ),
RB-D27VD" or RB-DZ7PV" ( remote control )
and SX-D27L & SX-D27R (speaker system).

Nominal impedance
Dimensions (WxHxD)
Weight ............

4 ohms ,
Approx, 180 x 330 x 209 mm
Approx. 2.7 kg (per speaker)

Specifications subject to change without notice.

REFERENCE No. SM580610

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CONTENTS

SPECIFICATIONS .............. TOP TUNER ADJUSTMENTS ........... 16
LASER BEAM SAFETY PRECAUTIONS . 1 EXPLODED VIEW ................ 17
WHAT TO DO IF .................. 2 PARTS LIST ................... 18
REMOVAL AND INSTALLATION ...... 2 TEST CABLES .................. 31
CD CHANGER OPERATION DESCRIPTION4 SCHEMATIC DIAGRAM ............ 32
CD MECHANISM ADJUSTMENTS ..... 7 WIRING DIAGRAM ............... 38
CD PLAYER ADJUSTMENTS ....... 11 IC BLOCK DIAGRAM &

TAPE DECK ADJUSTMENTS ....... 13 DESCRIPTION .................. 54
AMPLIFIER ADJUSTMENTS ........ 15 IC & TRANSISTOR VOLTAGES ...... 63

LASER BEAM SAFETY PRECAUTIONS

0 Pick-up that emits a laser beam is used in this CD player.

CAUTION :
USE OF CONTROLS OR ADJUSTMENTS
OR PERFORMANCE OF PROCEDURES
OTHER THAN THOSE SPECIFIED
HEREIN MAY RESULT IN HAZARDOUS
RADIATION EXPOSURE

LASER OUTPUT ..... 0.6 mW Max (CW)
WAVELENGTH ...... 790 nm

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