XL-HF201P
4 – 3
Check the TE waveform at pin 16 on IC1.
(2) Trackin
g
s
y
s
tem check
If the w
a
veform
s
hown in Fig
u
re 4
a
ppe
a
r
s
a
nd
s
oon
a
fter NO
DI
S
C
a
ppe
a
r
s
?
Ye
s
The tr
a
cking
s
ervo i
s
not
a
ctiv
a
ted.
Check the peripher
a
l circ
u
it
s
a
t pin
s
98, 99, 101, 102 on IC1,
a
nd FFC1.
No
"Initi
a
liz
a
tion" i
s
po
ss
i
b
le,
bu
t pl
a
y i
s
not po
ss
i
b
le?
Ye
s
A norm
a
l j
u
mp oper
a
tion c
a
nnot
b
e completed or the
b
egin-
ning of the tr
a
ck c
a
nnot
b
e fo
u
nd.
Check the
a
ro
u
nd pin 101 on IC1.
No
"Initi
a
liz
a
tion" i
s
not po
ss
i
b
le.
D
a
t
a
c
a
nnot
b
e re
a
d. Check the VCO-PLL (Pin125 ~128 on
IC1)
s
y
s
tem.
Fi
g
ure 4
(3) Spin
s
y
s
tem check.
Pre
ss
the OPEN/CLO
S
E
s
witch witho
u
t in
s
erting
a
di
s
c,
a
nd
then try
s
t
a
rting the pl
a
y oper
a
tion.
1. The t
u
rnt
ab
le rot
a
te
s
a
little?
(W
a
veform dr
a
wing Fig
u
re 5)
Ye
s
The
s
pin driver circ
u
it i
s
OK.
No
Check
a
ro
u
nd pin 98 on IC1, pin
s
1
a
nd 2 on CNP2.
2. The t
u
rnt
ab
le doe
s
n't rot
a
te.
Fi
g
ure 5
TE
RFOUT
FDO
SPDO
63
118
IC1
IC1
4
7
102
98
IC1
IC1
1
3
Содержание CP-HF200
Страница 23: ...XL HF201P 6 5 MEMO ...
Страница 24: ...XL HF201P 7 1 CHAPTER 7 DIAGRAM 1 Block Diagram Figure 7 1 BLOCK DIAGRAM ...
Страница 25: ...XL HF201P 7 2 MEMO ...
Страница 26: ...XL HF201P 1 MEMO 7 3 ...
Страница 37: ...XL HF201P 8 11 MEMO ...
Страница 38: ...XL HF201P 1 MEMO 8 12 ...