Pioneer XC-L77 Service Manual page 15

5
(S)
(C)
(C)
(T)
(T)
(F)
(F)
(F)
(T)
5
6
(F)
(T)
(S)
(C)
(L)
CAUTION :
FOR CONTINUED PROTECTION
AGAINST RISK OF FIRE.
REPLACE ONLY WITH SAME TYPE
NO. ICP-N20 FOR IC5521 MFD,
BY ROHM CO. , LTD.
SERVO
Note: The encircled numbers denote measuring point in the schematic diagram.
IC1101- Pin 16:
1
PLAY MODE (RF)
H : 500nsec/div
1.2Vp-p
VC
: The power supply is shown with the marked box.
6
7
: CD AUDIO SIGNAL ROUTE
: FOCUS SERVO LOOP LINE
: TRACKING SERVO LOOP LINE
: SPINDLE SERVO LOOP LINE
: CARRIAGE SERVO LOOP LINE
: LOADING SERVO LOOP LINE
4.8
IC1101- Pin 13 :
2
TEST MODE,
Tracking Open (TRER)
H : 5msec/div
VC
VC : IC1101- Pin12
7
8
XC-L77
CD
C 2/2
C 2/2
3.5Vp-p
C
1/2
15
8
A
B
C
D