Sharp XL-505E (serv.man5) Service Manual ▷ View online
– 37 –
XL-505H,505E,507E/CP-505,505E,507
43
FCSI
Output
Focus actuator driving signal output terminal in the focus search mode.
44
FKIC
Output
Focus actuator driving signal output terminal in the focus gain adjusting mide.
45*,46*
FEL2,1
Output
Focus again adjusting analog switch output terminals.
47
FEI
Input
Focus error signal input terminal.
48
TESH
Input
Tracking error signal input sample holding analog switch input terminal.
49
TEOF
Output
Tracking servo operation ON/OFF analog switch output terminal.
VREF when the tracking servo is OFF.
VREF when the tracking servo is OFF.
50
SBAD
Input
Sub beam adding signal input terminal.
51
RFRP
Input
RF ripple signal input terminal.
52
VREF
Input
Reference voltage input terminal. (+2.1V)
53
RFI
Input
RF signal input terminal.
54
GNDA
—
Analog ground terminal.
55
DTSC2
Output
Data slice control EFM signal passive output terminal.
56*
MONIT
Output
Internal signal (EFMO, PLCK, LOCK and MBOV) output terminal. Slected by command.
57
DTSC1
Output
Data slice control EFM signal nagative output terminal.
58
VDDA
—
Analog supply voltage terminal. (+5V)
59
PDCNT
Input
PDO output control terminal.
At "L" level, PDO output is made to HiZ by force.
At "L" level, PDO output is made to HiZ by force.
60
PDO
Output
Phase error signal output terminal between EFM signal and PLCK.
61
TMAX
Output
TMAX signal output terminal, HiZ at time of system clock.
62
LPFN
Input
LPF amplifier inverting input terminal for PLL.
63
LPFO
Output
LPF amplifier output terminal for PLL.
64
VCOF
Input
VCO filter terminal.
65
TESTX
Input
Test terminal.
66*
HS
Output
Double speed monitor output terminal. Double speed operation at "L" level.
67
GNDD
—
Digital ground terminal.
68*
SPDA
Output
Processor status signal output terminal.
Correction process judging result, memory buffer capacity, etc.
Correction process judging result, memory buffer capacity, etc.
69*
COFS
Output
Correction system frame periodic signal output terminal. 7.35 kHz.
70*
WDCK
Output
Word clock output terminal. Normally, 88.2kHz.
71*
CHCK
Output
Channel clock output terminal. Normally, 44.1 kHz.
72*
BCK
Output
Bit clock output terminal. Normally, 1.4112MHz
73*
AOUT
Output
Audio data output terminal.
74*
EMPH
Output
Emphasis ON/OFF indication signal output terminal. Emphasis ON at "H" level.
75*
DOUT
Output
Digital out output terminal.
76*
TEST2
Input
Test terminal. Normally, keep at "H" level or open.
77
VDDX
Output
Oscillator supply voltage terminal.
78,79
XI,XO
In/Output
Crystal oscillator connecting teminal.
80
GNDX
Output
Oscillator grand terminal.
IC802 VHiTC9284BF-1:Servo/Signal Control (TC9284BF) (2/2)
Pin No.
Port Name
Function
Input/Output
FORST
H
Lens gets for away from disc
FOSET
L
Lens gets near disc
Others
HiZ
Other than focus search
COMMAND
FCSI OUTPUT
OPERATION
FGASR
H
Lens gets for away from disc
FGASS
L
Lens gets near disc
Others
HiZ
Other than focus adjustment
COMMAND
FKIC OUTPUT
OPERATION
TMAX PERIOD
TMAX OUTPUT
Longer than specified period
L
Shorter than specified period
H (2VREF)
Specified period
HiZ
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
XL-505H,505E,507E/CP-505,505E,507
– 38 –
Figure 38 BLOCK DIAGRAM OF IC
IC802 VHiTC9284BF-1:Servo/Signal Control (TC9284BF)
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
DMPC
VCOF
LPFO
LPFN
TMAX
PDO
PDCNT
V
DDA
DTSC1
DTSC2
GNDA
RFI
RFRP
SBAD
TEOF
TESH
FEI
FEL1
FEL2
FKIC
FCSI
SEL
2V
REF
V
REF
MONIT
DMFC
DMON
TEST
FMFB
TEST1
FMON
TKIC
TGUH1
TGUH2
TGUL
TEL1
TEL2
DFCT
GNDD
V
DDD
TESTX
GNDA
RO
RO
VDA
LO
LO
GNDA
TEST3
TEST4
TEST5
SBOK
GNDD
BUS0
BUS1
BUS2
BUS3
CCE
BUCK
PFCK
RST
SUBSYC
SUBD
CLCK
V
DDD
HS
GNDD
SPDA
COFS
WDCK
CHCK
BCK
AOUT
EMPH
DOUT
TEST2
V
DDX
XI
XO
GNDX
PLL circuit
Internal
status
status
Correcting
output
circuit
audio
output
output
Digital Out
Clock
generator
Q data
RAM
CD bus
interface
Correcting
system
timing
generator
Sub-code
demodulation
circuit
Correcting
circuit
Servo status
signal
generating
circuit
Tracking
search
control
control
circuit
Focus/
tracking
servo
16K RAM
DA
converter
Data slicer
AD converter
Address
circuit
TMAX detection circuit
CLV servo circuit
Sync separating circuit
EFM demodulation circuit
– 39 –
XL-505H,505E,507E/CP-505,505E,507
IC801 VHiTA2065F/-1:Servo Amp. (TA2065F)
1
RFO
Output
RF amp (RF AMP) output terminal.
2
RFI
Input
RF ripple signal generating circuit input terminal.
3
VRO
Output
VR amp output terminal.
4
2VRO
Output
2VR amp output terminal.
5
RFRP
Output
RF ripple signal output terminal.
6
SBAD
Output
Defects detection signal output terminal.
7
DFIN
Input
Defect detecting comparator positive phase input terminal.
8
FEP
Input
Focus error balance adjusting input terminal.
9
FEN
Input
Focus error amp (FE AMP) negative phase input terminal.
10
FEO
Output
Focus error amp (FE AMP) output terminal.
11
FEI
Input
Focus output amp (FS AMP) positive phase input terminal.
12
FHLD
Input
Hold switch terminal for defect.
13*,14*
FEL1,2
Input
Focus gain adjusting terminal.
15
FSN
Input
Focus output amp (FS AMP) nagative phase input terminal.
16
FSO
Output
Focus output amp (FS AMP) output terminal.
17
COSC
Output
Focus search signal generating capacitor connecting terminal.
18
OSCI
Input
Focus search signal generating built-in current source control input terminal.
19
GND
—
Ground terminal.
20
VCC
—
Power source terminal.
21
SEL
Input
Analog switch control signal input terminal.
22
DMEP
Input
Disc motor amp (DM AMP) positive phase input terminal.
23
DMEN
Input
Disc motor amp (DM AMP) negative phase input terminal.
24
DMEO
Output
Disc motor amp (DM AMP) output terminal.
25
DFCT
Input
Defect detecting comparator negative phase input terminal.
26
FMSO
Output
Feed motor output amp (FMS AMP) output terminal.
27
FMSN
Input
Feed motor output amp (FMS AMP) negative phase input terminal.
28
FMSP
Input
Feed motor output amp (FMS AMP) positive phase input terminal.
29*
THLD
Input
Hold switch terminal for defect.
30
TS2O
Output
Tracking servo amp 2 (TS2 AMP) output terminal.
31
TS2N
Input
Tracking servo amp 2 (TS2 AMP) negative phase input terminal.
32
TS2P
Input
Tracking servo amp 2 (TS2 AMP) positive phase input terminal.
33*
TS1N
Input
Tracking servo amp 1 (TS1 AMP) negative phase input terminal.
34
TS1P
Input
Tracking servo amp 1 (TS1 AMP) positive phase input terminal.
35
TSO
Ouput
Tracking output amp (TS AMP) output terminal.
36,37
TEL1,2
Input
Tracking gain adjusting terminal.
38
TSN
Input
Tracking output amp (TS AMP) negative phase input terminal.
39
TPO
Output
Sub-beam I-V amp output terminal.
40
TPI
Input
Sub-beam I-V amp input terminal.
41
TNI
Input
Sub-beam I-V amp input terminal.
42
TNO
Output
Sub-beam I-V amp output terminal.
43
FNI
Input
Main-beam I-V amp input terminal.
44
FPI
Input
Main-beam I-V amp input terminal.
45
LDO
Output
Laser diode amp output terminal.
46
MDI
Input
Monitor photo diode amp input terminal.
47
RFN
Input
RF amp negative phase input terminal.
48
RFT
Input
RF amp peaking terminal.
Terminal Name
Pin No.
Input/Output
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Function
XL-505H,505E,507E/CP-505,505E,507
– 40 –
IC801 VHiTA2065F/-1:Servo Amp. (TA2065F)
Figure 40-1 BLOCK DIAGRAM OF IC
IC601 VHiLA4600//-1:Power Amp. (LA4600)
Figure 40-2 BLOCK DIAGRAM OF IC
V
CC
7
10
9
8
6
5
3
2
1
4
R
f1
P.P
Filter
R
f2
R
Nf1
R
Nf2
Standby
ch1
Input
amp.
Input
amp.
ch2
Input
amp.
Input
amp.
RF
amp.
amp.
Pre-
drive
amp.
drive
amp.
Pre-
drive
amp.
drive
amp.
Output
amp.
amp.
Output
amp.
amp.
Standby switch
Pop sound preventing block
TSD protector
Ripple filter
ch1 input
ch1 output
ch2 output
Large signal
GND
ch2 input
Small signal
GND
38
37
36
35
34
33
FMS
BGR
FSOSC
3 STATE
DET
LD
FS
FE
MD
RFRP
ADD
TE
TS
TS1
TS2
TP
TN
FN
FP
BOTTOM
PEAK
2VR
VR
RFBF
RF
180k
20k
68k
32
31
30
29
28
27
26
25
1
2
3
4
5
6
7
8
9
10
11
12
13
14
24
DMEO
TSN
TEL2
TEL1
TSO
TS1P
TS1N
TS2P
TS2N
TS2O
THLD
FMSP
FMSN
FMSO
DFCT
RFO
RF1
VRO
2VRO
RFRP
SBAD
DFIN
FEP
FEN
FEO
FEI
FHLD
FEL1
FEL2
DMEN
DMEP
SEL
GND
OSCI
COSC
FSO
FSN
V
CC
TPO
TPI
TNI
TNO
FPI
LDO
MDI
RFN
RFT
FNI
23
22
21
20
19
18
17
16
15
39
40
41
42
43
44
45
46
47
48
10k
2.8k
68k
5pF
1.35V
100
µ
A
16k
1k
1.27k
15k
15k
33PF
29k
20k
20k
20k
30k
30k
20k
20k
20k
7k
1.75k
20k
25k
24k
12k
47k
47k
100k
20k
10k
10k
10k
10k
21k
21k
21k
21k
21k
20k
5k
5k
35
µ
A
39PF
39PF
68
µ
F
25
µ
A
20
µ
A
4k
22k
500
30k
47k
22k
30k
49k
150k
47k
680k
1.5k
70k
20k
33PF
100k
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