Kenwood KD 770 D Service Manual
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Extracted text from Kenwood KD 770 D Service Manual (Ocr-read)
Page 2
BLOCK DIAGRAM
BLOCK DIAG RAM r
MAIN
moron
s 4 A88 v
QUARZ PLL
$3 CONTROLLER CONTROLLER Oil 12 IE4 P R1
START]
ll-TL-___l gggm
S 2 06 I» 9
spa
81 0819
D 33
Q 2 Q 14 010
JL LED sw LED 0 45 rpm
AC
LOGIC CONTROL
3. Input switches are described below.
SW. FUNCTlONS
START/STOP O lnitialized to STOP state when power is turned on.
Switches between START and STOP state at every one push.
O 4 seconds after END detection, the switch returns to STOP state (auto stop function).
0 When STOP button is pressed, braking operation is executed till the turntable rotational speed be-
comes below prescribed speed.
33/45 0 initialized to 33 1/3 r.p.m. when power is turned on.
Switches between 33 1/3 rpm. and 45 mode at every one push.
UP/DOWN O lnitialized to UP state when power is turned on.
I Switches between UP and DOWN state at every one push.
0 When END detection is operated, the tonearm returns to UP state. (auto up function)
* When power switch or AC line is turned off. the tonearm returns to UP state.
r Function of each input switch is independent.
j