Pioneer sx 690 service manual

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MODEL SX-690/KU

Although the basic features of models SX-680/KU and SX-690/KU are the same, there are a few
minor changes in design. Please refer to the SX-680/KU service manual with exception of this
supplement.

CONTRAST OF MISCELLANEOUS PARTS

Part No.
Pa" mm sx-ssomu sx-sso/Ku
Front panel assembly ANS-596 ANB~625 ,b
Dial panel AAGJSS AAG-172
Packing case AHD-55l AHD»578
Operating instructions AHB-ZGS ARE-291

n m .. -r- - - -,....-.,,- -..---,-,-v-,-.»-»- -.......... .. - a 4. n.... - nu..- - n m firmrm-

MODEL SX-680/KC, S. 8/6

MODEL SX-680 COMES IN FOUR VERSIONS DISTINGUISHED AS FOLLOWS:

Type Voltage Remarks
KU 120V only U.S.A. model

KC 120V only Canada model

S 110V, 120V, 220V and 240V (Switchable) General export model

816 110V, 120V, 220V and 240V (Switchable) US. Military model

The variations in safety standards in different countries has also necessitated variations in power
supply and circuit component specifications. Furthermore, the difference in the pre-emphasis
characteristics employed by FM broadcasting stations has also meant variations in de-emphasis
circuit time constant.