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