Yamaha cd2
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Extracted text from yamaha cd2 (Ocr-read)
Page 1
370I
COMPACT DISC PLAYER
CD-2
SERVICE MANUAL
I FRONT PAN EL
Bfifl59$ 6 F] £355.
138K
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THANSMITTER
I E W/CONTENTS
TO SERVICE PERSONNEL ................ 1 ERIE /ADJUSTMEI\ITS ................. 7 ~ 9
INTERROCK OPERATION ................ 2 PRINTED CIRCUIT BOARD ............ 10 ~ 12
U 714*» [REAR PANEL ................ 3 WIRING ............................. 13
fifiIiE [SPECIFICATIONS .............. 4 fiEIfi-ISCHEMATIC DIAGRAM ........... 14
BLOCK DIAGRAM ..................... 4 IC BLOCK DIAGRAM ................... 15
fiflWETIE /INTERNAL VIEW ............. 5 PARTS LIST ........................ 16~24
fifiaihfi /DISASSEMBLY ................. 5/6 RS-2 ............................. 25/26
NIPPON GAKKI CO. LTD, HAMAMATSU, JAPAN
3 (-092 I©Printed in Japan. 81.5
ZGD
Page 2
CID-2
I'ro SERVICE PERSONNEL
1. Critical Componems Information. _
Components having special characreristics are marked L
and must be replaced with pans having specifications equal
to those originally installed.
EQUIPMENT AC LEAKAGE TESTER
2. Leakage Current Measurement (For 120V Model Only). UNDER TEST OR EQUIVALENT
When service has been complered, it is imperative that you
verify that all exposed conductive surfaces are properly {x
insulated from supply circuits J} :D
0 Meter impedance should be equivalent to 1500 ohm shunted WALL l: I
by 015: OUTLET INSULATING TABLE 7
o Leakage current must not exceed 0.5mA.
0 Be sure to rest for leakage with the AC plug in both polarixies.
CAUTION - USE OF CONTROLS, ADJUSTMENTS, OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE
SPECIFIED HEREIN, MAY RESULT IN HAZARDOUS RADIATION EXPOSURE
THE COMPACT DISC PLAYER SHOULD NOT BE ADJUSTED OR REPAIRED BY ANYONE EXCEPT
PROPERLY QUALIFIED SERVICE PERSONNEL.
DANGER-invisible laser radiation when open
and interlock failed or defeated.
AVUID DIRECT EXPOSURE TO BEAM. mum n
BOTTOM SIDE
Front side
LASER BEAM RADIATION SPOT
Laser Diode Properties
Material: Ga-Al-As
Wavelength: 765 - 795 nm (25°C)
Laser Output: Continuous Wave max 0.4 mW