Pioneer XR-A6800 Service Manual page 21

5
QQ
3 7 63 1515 0
(S)
(C)
(C)
(T)
(T)
(F)
(F)
TE
L 13942296513
(F)
(T)
(CD)
www
.
5
http://www.xiaoyu163.com
6
(CD)
XR-A6800
ONLY
(L)
(L)
x ao u163
y
i
6
http://www.xiaoyu163.com
7
2 9
8
: The power supply is shown with the marked box.
(CD)
: CD AUDIO SIGNAL ROUTE
(F)
: FOCUS SERVO LOOP LINE
(T)
: TRACKING SERVO LOOP LINE
(CD)
Q Q
3 6 7 1 3 1 5
(L)
(L)
Note: The encircled numbers
denote measuring point in the
(L) schematic diagram.
(L)
co
.
7
XR-A6800, XR-A4800
9 4 2 8
(S)
: SPINDLE MOTOR ROUTE
(C)
: CARRIAGE MOTOR ROUTE
(L)
: LOADING MOTOR ROUTE
CN8204
52044-0845
(CD)
(CD)
CN8201
52045-1945
0 5 8 2 9 9 4 2 8
(L)
(L)
XR-A6800
ONLY
m
IC8101- Pin 13 :
CN8203- Pin 1 :
2
1
PLAY MODE (RF) TEST MODE,
Tracking Open(TRER)
H : 500nsec/div
1.8Vp-p H : 5msec/div
VREF
8
9 9
A
B
9 9
C
D
1.0Vp-p
VREF
B
21
8