SANYO MCD-ZX220M, ZX270M Service Manual

FILE NO.

Service Manual

Supplement

The construction of model MCD-ZX220M(XE) is similar to model MCD-ZX270M(XE) . The differences between these models

require the bellow specified items. Please also refer to the original service manual MCD-ZX270M(XE) (SM5810730) for other

items.

CD Portable Radio Cassette Recorder

MCD-ZX220M (XE)

PRODUCT CODE No.

164 161 01

PARTS LIST

REF. No. ORIGINAL MODEL SUPPLEMENT MODEL DESCRIPTION

(MCD-ZX270M) (MCD-ZX220M)

PACKING & ACCESSORIES

1 645 079 7149 645 079 8313 GIFT BOX

3 645 077 0685 645 078 5467 INSTRUCTION MANUAL

9 645 079 7170 --- REMOTR CONTROL,RC08-X000S3-050

645 077 0692 645 078 5474 QUICK GUIDE

CABINET & CHASSIS

1 645 079 7002 645 079 8207 CASS DOOR

4 645 079 7101 645 079 8290 DISPLAY LENS

22 645 079 7088 645 079 8276 DISPLAY PANEL

25 645 079 7095 645 079 8283 CD DOOR

28 645 079 7057 645 079 8245 KNOB VOLUME,ROTARY

29 645 079 7033 645 079 8221 KNOB TUNING,ROTARY

31 645 079 7064 645 079 8252 KNOB BAND

32 645 079 7071 645 079 8269 KNOB FUNCTION

33 645 079 7040 645 079 8238 KNOB BASS

43 645 079 7026 645 079 8214 HANDLE

64 645 079 6968 --- REMOTE RECEIVE HOLDER

CONTROL P.W.BOARD ASSY

60 614 334 3523 614 334 4124 ASSY,PWB,CONTROL

REM701 645 033 3477 --- DIODE RPM-6938-V4

May. / '05 BB Printed in Japan.

SANYO Electric Co., Ltd.

Osaka, Japan

REFERENCE No. SS5810734

FILE NO.

Service Manual

CD Portable Radio Cassette Recorder

CONTENTS

Laser Beam Safety Precaution ........................................ 1

Tuner Adjustment ............................................................. 2

Exploded View (Accessories & Packing) ......................... 3

Exploded View (Cabinet & Chassis) ................................ 4

Parts List .......................................................................... 5

Schematic Diagram .......................................................... 8

Wiring Diagram ................................................................ 12

Wiring Connection ............................................................ 16

MCD-ZX270M (XE)

PRODUCT CODE No. 164 161 00

REFERENCE No. SM5810730

LASER BEAM SAFETY PRECAUTION

• Pickup that emits a laser beam is used on this CD section.

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)

WAVE LENGTH ................. 790 nm

CAUTION-INVISIBLE LASER RADIATION WHEN OPEN AND INTERLOCKS DEFEATED. AVOID EXPOSURE TO BEAM.

ADVARSEL-USYNLIG LASER STRÅLING VED ÅBNING, NÅR SIKKERHEDSAFBRYDERE ER UDE AF FUNKTION, UNDGÅ UDS ÆTTELSE FOR STRÅLING.

VARNING-OSYNLIG LASER STRÅLNING NÄR DENNA DEL ÄR ÖPPNAD OCH SPÄRR ÄR URKOPPLAD. STRÅLEN ÄR FARLIG.

VORSICHT! -UNSICHTBARE LASERSTRAHLUNG TRITT AUS, WENN DECKEL GEÖFFNET UND ENN SICHERHEITSVERRIEGELUNG ÜBERBRÜCKT IST. NICHT, DEM STRAHL AUSSETZEN.

VARO !- AVATTAESSA JA SUOJALUKITUS OHITETTAESSA OLET ALTTIINA NÄKYMÄTTÖMÄLLE LASERSÄTEILYLLE. ÄlÄ KATSO SÄTEESEEN.

CLASS 1 LASER PRODUCT

LUOKAN 1 LASERLAITE

KLASS 1 LASERAPPARAT

- 1 -

TUNER ADJUSTMENTS

Use a plastic screw driver for adjustments.

Adjust the intermediate frequency of AM and FM to the frequency of ceramic filter.

Set of unit

Supply voltage

speaker impedance

standard output

Function switch

DC 12.0V

8 ohms

50 mW

RADIO

a. Parts Location

a.AM Adjustment

Step

Adjusting

Circuit

IF1

2 Connect AM SG to Connect VTVM to 520 KHz Low end T101 Max.

3 test loop speaker terminals. 1650 KHz High end C3

4 Connect AM SG to Connect VTVM to 600 KHz 600 KHz MW ANT COIL Max.

5 test loop speaker terminals. 1400 KHz 1400 KHz C4

Tuning

coverage

Tracking

Input Output Frequency Tuning dial Oscilloscope

Closed the output Connect sweep

termial by sweep generator to 465 KHz Low T103

generator,it place IC101(18) PIN(A)

to MW ANT

b.FM Adjustment

Step

Adjusting Connection

Circuit

1IF

2 Connect FM SG to Connect VTVM to 87.5 MHz Low end L102 Max.

3 FM.ANT & D101(-) speaker terminals. 108.3 MHz High end C1

4 Connect FM SG to Connect VTVM to 90.0 MHz 90.0 MHz L101 Max.

5 FM.ANT & D101(-) speaker terminals. 106.0 MHz 106.0 MHz C2

Tuning

coverage

Tracking

Input Output Frequency Tuning dial Oscilloscope

Connect sweep

generator to

IC101(24)pin (B)

Band switch:MW

Connections

SG Position of VTVM

Adjustment

Band switch:FM FM Dummy antenna: 75 ohms unbalance

Connect VTVM to

generator to IC101

(18) pin (A)

SG Position of VTVM

10.7 MHz Low T102 T104

Adjustment

- 2 -

EXPLODED VIEW(ACCESSORIES & PACKING)

- 3 -

+ 10 hidden pages