XR-A6800, XR-A4800
21
A
B
C
D
5
6
7
8
5
6
7
8
CN8204
52044-0845
CN8201
52045-1945
XR-A6800
ONLY
XR-A6800
ONLY
2/3
F
CN1052
CN5502
I
CN8203- Pin 1 :
PLAY MODE (RF)
VREF
1.8Vp-p
IC8101- Pin 13 :
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)
(CD)
(CD)
(CD)
(CD)
(CD)
(CD)
: FOCUS SERVO LOOP LINE
(F)
: TRACKING SERVO LOOP LINE
(T)
: SPINDLE MOTOR ROUTE
: CARRIAGE MOTOR ROUTE
(C)
(S)
: LOADING MOTOR ROUTE
(L)
(S)
(C)
(C)
(T)
(T)
(F)
(F)
(F)
(T)
(T)
(L)
(L)
(L)
(L)
(L)
(L)
(L)
(L)
(L)
(L)
(L)
(L)
: The power supply is shown with the marked box.
B