Yamaha mt44 cassette recorder service manual

Page 1

MULTI TRACK CASSETTE RECORDER

MT-44

SERVICE , MANUAL '

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o FRONT PANEL

ICONTENTS (Rik)

TO SERVICE PERSONNEL ................. 1
REAR PANELS ......................... 1
BLOCK DIAGRAM ...................... 2
SPECIFICATIONS (13cm .................. 2
DISASSEMBLY PROCEDURES (fiflfl¥-HI§). .. 3 ~ 5
ADJUSTMENTS (ERIE) .................. 5,6
PRINTED CIRCUIT BOARD (Parts side) ....... 7, 8
PARTS LIST ........................ 9~17

SCHEMATIC DIAGRAM (fifilfilfil)

@Eé] YAMAHA

NIPPON GAKKI (30.. LTD HAMAMAFSU JAPAN
Prmled In Japan 83 4 2.8kn0

Page 2

M144

ITO SERVICE PERSONNEL

(Prepared in accordance with UL Standard 1270)

Before service of this appliance by you, please carefully read this service manual.

Please make Leakage-current or Resistance measurements by suitable meter to determine that exposed
parts are acceptably insulated from the supply circuit before returning the appliance to the customer

APPLIANCE "94535
A l i
l

I
GR
(GROUNDING)
OPEN

INSULATING
TABLE

GROUND SUPPLY CONDUCTOR B

Appliance intended for connection to a 120 volt power supply.
A PROBE WITH SHIELDED LEAD.
B SEPARATED AND USED AS CLIP WHEN MEASURING CURRENTS FROM
ONE PART OF APPLIANCE TO ANOTHER.

Confirm that the leakage current is not more than 0.5mA AC.

.REAR PANELS

V JAPANESE MODE L

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V U.S.A. & CANADIAN MODELS

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