XR-VS90SW, XR-VS90, XR-VS70SW, XR-VS70
29
A
B
C
D
5
6
7
8
5
6
7
8
$M SERVO VCD ASSY
(XR-VS90SW, XR-VS90 : XWX3018)
(XR-VS70SW, XR-VS70 : XWX3017)
MOTOR ASSY
(XWZ3080)
C
B
1/2
2/2
B
2/2
B
2/2
B
2/2
B
XR-VS90SW,
XR-VS90
ONLY
CN1003- Pin 1 :
PLAY MODE (RF)
VREF:CN1003- Pin 3
VREF
2.0Vp-p
CN1003- Pin 2 :
TEST MODE,
Tracking Open(TRER)
1.0Vp-p
H : 500nsec/div
H : 5msec/div
VREF
1
2
Note: The encircled numbers denote measuring point in the schematic diagram.
: CD AUDIO SIGNAL ROUTE
(CD)
(CD)
(CD)
(CD)
(CD)
: FOCUS SERVO LOOP LINE
(F)
: TRACKING SERVO LOOP LINE
(T)
: SPINDLE SERVO LOOP LINE
(S)
: CARRIAGE SERVO LOOP LINE
(C)
: LOADING SERVO LOOP LINE
(L)
(L)
(L)
(L)
(L)
(L)
(L)
(L)
(L)
(L)
(L)
(L)
(L)
: The power supply is shown with the marked box.
1/2
B