‘“”’: i
,.. .
IC BLOCK DIAGRAM (CD SECTION)
ICI 04 LC7861 NE (Digital Signal Processor)
?
No
1/
o
DESCRIPTION
$
PIN
NAME
If o
TEST 1 I
AO
o
Al
I
PDO
o
Vss
=0
LK
For TEST. Normal time is non connection.
Inputfrom“VCOoutputin LA921O.(8.6436MHz)
Phasecomparisonoutputof VCOandEFMsignaL
o
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
I
o
0
I
o
I
I
I
I
o
0
0
0
I
Output of signal to DAC. Signal of Latch & L / R select, Signal
for Sampling Hold
Output of signal to DAC. Signal of Latch & L/R select, Signal
for Sampling Hold
Output of signal to OAC, Signal of Latch & L / R select, Signal
for Sampling Hold
Output of signal to DAC, Signal of Latch & L / R select, Signal
for Sampling Hold
For TEST. Normal time is non connection.
For output of signal that Comply with CO-ROM
For
output of signal that Comply with CO. ROM
For output of signal that Comply with CO-ROM
For output of signal that Comply with CO-ROM
For output of signal that Comply with CD-ROM
Output of OIGITAL OUT
Synchronizing signal of wb-code block.
For correction monitor of Cl, C2, single, double.
SFSY is Synchronizing signal of sub-code & frame. Clock of
eighth send to SBCK then read out the sub-code of P. 0, R, S,
T, U, V, &W.
Output of Synchronizing signal (7.35KHz)
Oata sub-code Q pass the CRC check then WRQ do ‘H-. It
detect at external, Oata read out from SQOUT by send the
~. RWC set the “H- by Micro Processor then it let
command by” send with Synchronizing C~command data.
Turn on the Power Supply time : Once “L-
Dataof SQOUT want at the LBS first time : M / L set the “L..
Thn output can control at Serial Control from Micro Processor
16M Outp;t(16.9344MHz)
4ht Output (4.2336MHz)
This output can control at Serial Control from Micro Processor
For TEST. Normal time is non connection.
Chip select Terminal. This terminal ‘-L- : LC7866 is active
1
2
3
4
5
6
7
8
9
10
11
12
13
14.
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
GNO
35
DFOUT
Negative output through amplitude limiter. Antiphase of
=. This signal use SLICE LEVEL CONTROL.
36
DACLK
Positive output through amplitude limiter. Antiphase of EFMO.
This signal use SLICE LEVEL CONTROL.
37
DFIN
Inputting HF signal of l-2Vp.P This signal use SLICE LEVEL
38
LRSY
CONTROL.
39
CK2
For TEST. Normal time is non connection.
40 ROM OUT
Output for OISC MOTOR CONTROL.
41
C2FLCK
Output for OISC MOTOR CONTROL.
42
C2F
CLV rough Servo time : Output -H-
43
00uT
Phase control time : Output-L-
44 SBSY
Output ‘H- : Lens pull Up with slowly than stop the Focus
45
EFLG
Sewo. tf = generate, it reset output of FOCS. For lead-in of
46
Pw
FDCUS
47
SFSY
Compfy with command of track jump, it oscillate kick Pulse,
4a
SBCK
i-
EFMO O
EFMIN 1
TEST2
CLV +
CLW
VIP
I
I
o
0
0
0
0
1
1
FOCS
. FST
770
HFL -
JP+ & JP_. It jump the prescribed number of track (1.4,16.64).
Comply with command of track jump, it oscillate kick Pulse,
lb-t=
TES
~E
JP + & JF’_. It “ump the prescribed number of track (1,4.16,64). 51
SYNC (FS of truth) detected from EFM wgnal = SYNC of
countec : ‘H” (Latch Output durin in 1 frame)
3
PCK o
FSEQ- O
.TOFF. O
..TGL .0..
THLO O
TEST3 I
Voo
JPt. .
0..
JK
o
DEMo I
TEST4
EMPH O
DFOFF I
Comply with- command of track jump. it oscillate kick Pulse.
,P + ~ ,p-. ,t
jump the prescribed number Of track (1,4.16,64).
lt&E-
El=
57
LASER
For TEST. Normal time is non connection.
58 16M
+ 5V
59
4M
Compfy
with command of track jump, it oscillate kick Pulse,
~ <~~y
SE
JP + & JP_. N jump the prescribed number of track (1,4.16.64). ~;
For adustment of reduction recess. Sound on function.
For TEST. Normal Ume M non connection.
Output is ‘H- time. it need de-emphasis
ON/ OFF Switchin of Oi ital Filter. Out ut ‘H- : Filter OFF
I
(Internal Resistor : Pull OOwn)
I Connection Terminal of crystal oscillation (16.9344MHz)
o
Connection Terminal of crystal oscillation (16.9344MHz)
I
s
:gy
-m- .,.
..
,.
-.
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29 57 58 59 6?
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