Yamaha k 520
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Extracted text from yamaha k 520 (Ocr-read)
Page 1
STEREO CASSETTE DECK
'520
SERVICE MANUAL
33511159315 2 H $fi
54.8K
I E zJz/comEN'rs
TO SERVICE PERSONNEL ............ 1
REAR PANEL ....................... 1
BLOCK DIAGRAM ................... 2
SPECIFICATIONS .................... 2
625093161 [INTERNAL VIEW ........... 3
fi¥¥fifilDISASSEMBLY PROCEDURES- . . 3
Hfi [ADJUSTMENT ................ 4~ 7
SCHEMATIC DIAGRAM ............... 8
LSI DATA/IC BLOCK DIAGRAM/
COUNTER METER UNIT/WIRING
DIAGRAM .......................... 9
PRINTED CIRCUIT BOARD .......... 10/11
EXPLODED VIEW .................... 12
PARTS LIST .................... 13 ~ 19
W .YAMAIIA
NIPPON GAKKI CD.. LTD. HAMAMATSU , JAPAN
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Page 2
ITO SERVICE PERSONNEL
1, Critical Components information,
Components having special characteristics are marked A
and must be replaced with parts having specifications equal
to those originally installed.
2. Leakage Current Measurement (For 120V Model Only).
When service has been completed, it is imperative that you
verify that all exposed conductive surfaces are properly @
insulated from supply circuits.
0 Meter impedance should be equivalent to 1500 ohm shunted
bY 0.15uF.
o Leakage current must not exceed 0.5mA.
EQUIPMENT
UNDER TEST
WALL :!
OUTLET INSULATING TABLE
0 Be sure to test for leakage with the AC plug in both polarities.
.REAR PANELS
. GENERAL Model
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' DIN JACK: Except Australian model
5
AC LEAKAGE TESTER
OH EQUIVALENT