DOWNLOAD Sharp CD-DVD500 (serv.man18) Service Manual ↓ Size: 181.85 KB | Pages: 19 in PDF or view online for FREE

Model
CD-DVD500 (serv.man18)
Pages
19
Size
181.85 KB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System / Function table of IC
File
cd-dvd500-sm18.pdf
Date

Sharp CD-DVD500 (serv.man18) Service Manual ▷ View online

– 71 –
CD-DVD500H
FUNCTION TABLE OF IC
IC3701  VHiTC94A03F-1: Servo ECC (TC94A03F) (1/3)
1
ASLCN
Output
Data slice negative output.
2
ASLCO
Output
Analog data slice output. (at differential input, digital slice output enable)
3
DVSS
DAC ground.
4*
RO
Output
R-ch output signal.
5
DVDD
Input
DAC power supply.
6
DVR
Output
Amp reference signal output.
7*
LO
Output
L-ch output signal.
8
DVSS
DAC ground.
9
XVSS
Oscillator ground.
10
XI
Input
Crystal oscillation input.
11
XO
Output
Crystal oscillation output.
12
XVDD
Input
Oscillator power supply.
13-15(14*) TESM0-2
Test terminal.
16
VDD3
Input
3.3 V digital power supply.
17
VSS3
3.3 V digital ground.
18
VPFC
Output
Clock PLL system phase/frequency comparison output.
19
TEST0
Input
Test mode terminal.
20
VLPFI
Input
VCO system filter input for clock PLL.
21
VLPFO
Output
VCO system filter output for clock PLL.
22
VSS3
3.3 V digital ground.
23*-32*
MON0-9
Output
Test monitor.
33
VDD3
Input
3.3 V digital power supply.
34*,35*
N.C.
36
TEST1
Input
Test mode terminal.
37
FLGA
Input/Output
General-purpose I/O or flag monitor.
38*
FLGB
Input/Output
General-purpose I/O or flag monitor.
39
VSS3
3.3 V digital ground.
40
/RST
Input
Reset terminal.
41
/MA
Input
Microcomputer address enable signal.
42
/MRD
Input
Microcomputer data read signal.
43
/MWR
Input
Microcomputer data write signal.
44
/MCE
Input
Microcomputer chip enable signal.
45
/MINT
Output
Microcomputer interrupt signal.
46-53
MD0-7
Input/Output
Microcomputer data bus.
54
VDD5
Input
5 V power supply.
55*,56*
N.C.
57*
SMCK
Output
22 M system clock output.
58*
VMCK
Output
Clock output for data output (signal processing) system.
59
VDD3
Input
3.3 V digital power supply.
60
PD0
Output
DVD/CD data output.
61
VSS5
5 V ground.
62-65
PD1-4
Output
DVD/CD data output.
66
VSS3
3.3 V digital ground.
67-70
PD5-PD8
Output
DVD/CD data output.
71
/PSYC
Output
DVD data sector synchronous signal.
72
/PDRQ
Output
DVD data transfer block.
73
PDCK
Output
DVD data transfer clock.
74
VDD5
Input
5 V power supply.
75
TESM3
Test terminal.
76
DIGI
Input
1 bit DAC digital IN input.
Pin No.
Function
Terminal Name Input/Output
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
CD-DVD500H
– 72 –
77
TESM4
Test terminal.
78
VDD3
Input
3.3 V digital power supply.
79-82
BA0-4
Output
External RAM address output.
83
VSS5
5 V ground.
84-88
BA4-8
Output
External RAM address output.
89
VDD3
Input
3.3 V digital power supply.
90
/BOE
Output
External RAM/OE signal.
91
/BRAS
Output
External RAM/RAS signal.
92
/BCAS
Output
External RAM/CAS signal.
93
/BWL
Output
External RAM Lower/WE signal.
94
/BWU
Output
External RAM Upper/WE signal.
95
VDD5
Input
5 V power supply.
96-104
BD0-8
Input/Output
External RAM data input/output.
105
VSS3
3.3 V digital ground.
106-109
BD9-12
Input/Output
External RAM data input/output.
110
VSS5
5 V ground.
111-113
BD13-15
Input/Output
External RAM data input/output.
114*,115* N.C.
116
VDD3
Input
3.3 V digital power supply.
117
PLCK
Input/Output
PLL system clock input/output.
118,119
TESM5-6
Test terminal.
120*,121* TESM7-8
Test terminal.
122
VSS3
3.3 V digital ground.
123,124
CFC1,2
Output
VCO frequency control signal.
125
PPW
Output
Voltage output for phase comparator offset adjustment.
126
PESV
Signal input for phase comparator offset adjustment.
127
PVSS
3.3 V PLL system ground.
128
PESP
Output
Signal output for phase comparator offset adjustment.
129
PDOP1
Output
DVD/CD phase control signal. (positive polarity)
130
PDON1
Output
DVD/CD phase control signal. (negative polarity)
131
PDOP2
Output
DVD/CD phase control signal. (positive polarity)
132
PDON2
Output
DVD/CD phase control signal. (negative polarity)
133
LPFN
Input
Inversion input for data PLL low-pass filter.
134
LPFO
Output
Data PLL low-pass filter output.
135
PVREF
Reference power supply for data PLL system.
136
VCOREF
Input
VCO standard reference.
137
VCOF
Input
VCO auto adjustment filter output.
138
PVDD
Input
Power supply for 3.3 V PLL system.
139
SLCO1
Input/Output
Data slice 6-bit DAC output. (at differential input, RF On)
140*
TESM9
Test terminal.
141
TEST2
Input
Test mode terminal.
142
RFCD
Input
CD RF signal input. (at differential input, RF On)
143
RFDVD
Input
CD RF signal input. (at differential input, RF On)
144
AVDD
Input
Power supply for 3.3 V analog system.
145*
RFCT
Input
RFRP center voltage input. (zero cross import)
146
RFZI
Input
RFRP zero cross signal input.
147
TEZI
Input
Tracking error signal input. (zero cross import)
148
AWIN
Input
Signal input for active wide PLL control.
149
AVSS
Input
Power supply for 3.3 V analog system.
150
FEI
Input
Focus error signal input.
151
TEI
Input
Tracking error signal input.
152
RFSB
Input
Add input for RF level or sub beam signal.
IC3701  VHiTC94A03F-1: Servo ECC (TC94A03F) (2/3)
Pin No.
Function
Terminal Name Input/Output
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
– 73 –
CD-DVD500H
Figure 73 BLOCK DIAGRAM OF IC
153
RFRP
Input
RFRP signal input.
154
AVSS
Input
Power supply for 3.3 V analog system.
155
TESM10
Test terminal.
156
EXTAD
Input
General-purpose external ADC input.
157
VREF
Input
Reference power supply for analog system: 1.65 V.
158
FOO
Output
Focus EQ output.
159
TRO
Output
Tracking EQ output.
160
AVDD
Input
Power supply for 3.3 V analog system.
161
AWCTL
Output
Active wide PLL control output.
162
FMO
Output
Feed EQ output.
163
DMO
Output
Disc EQ output.
164
TEBC
Output
Tracking balance control signal.
165*
FEBC
Output
Focus balance control signal.
166
DPDC
Output
Pit depth adjustment signal of DPD error signal.
167
EQBC
Output
Boost adjustment signal for RF wide area.
168
ANMON
Output
General-purpose PWM output.
169
/DFCT
Output
Black dot detection signal.
170
VRCK
Output
RF EQ characteristics control clock.
171
VSS3
3.3 V digital ground.
172
SCD
Output
Head amp serial data.
173
SCL
Output
Head amp serial latch pulse.
174
SCB
Output
Head amp serial data clock.
175*
FGIN
Input
Disc FG signal input. (with self-bias circuit).
176
ASLCP
Output
Data slice positive output.
IC3701  VHiTC94A03F-1: Servo ECC (TC94A03F) (3/3)
Pin No.
Function
Terminal Name Input/Output
The terminal whose name starts with “/” is activated in “L”.
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Servo signal
from RF amp
RF signal
from RF amp
ADC
DEQ
Servo
Control
DAC I/F
DAC
to Driver, RF amp
Digital
in
Analog
out
1bit DAC
for
CD-DA
Clock
PLL
Micom BUS
Micom
I/F
to Micom
to DECORDER
Output
I/F
ECC
DRAM
I/F
to DRAM
Syndrome
operation
SYNC Dat.
Demodulation
Slice
level
Gen.
Data
Slicer
PLL
to RF amp
Digital Servo
CD-DVD500H
– 74 –
1
GND
GND terminal.
2
P2TP
Input
TE+ input. (CD)
3
P2TN
Input
TE– input. (CD)
4
LDO2
Output
Drive output 2.
5
MDI2
Input
Monitor input 2.
6
VrD
Output
Digital VREF.
7
Vrfil
Filter capacity for reference.
8
Vdd
Input
Power terminal.
9
DPAC
DPD AC combination capacity 1.
10
DPBD
DPD AC combination capacity 2.
11
DPD1
DPD integral capacity 1.
12
DPD2
DPD integral capacity 2.
13
SCB
Input
Control line. (Bit clock)
14
SCL
Input
Control line. (Latch signal)
15
SCD
Input
Control line. (Sirial Data)
16
VRCK
Input
Reference clock input.
17
VCKF
Capacity for VRCK time constant adjustment.
18
VccP
Input
Power terminal.
19
LVL
Output
Servo addition output.
20
TEO
Output
TE output.
21
FEO
Output
FE output.
22
DFTN
Input
DPD difect.
23
VccS
Input
Power terminal. (servo)
24*
N.C.
25
RPZ
Output
RF ripple output 2.
26
RPO
Output
RF ripple output 1.
27
RPB
RF ripple bottom.
28
RPP
RF ripple peak.
29
RFOn
Output
Equivalent RF output. (Differential output)
30
RFOp
Output
Equivalent RF output. (Differential output)
31
VccR
Input
Power terminal. (RF)
32
RFS
Input
RF slice level adjustment.
33
TEB
Input
TE balance.
34
FEB
Input
FE balance.
35
DPDB
Input
Pit depth adjustment.
36
Vcc2
Input
Power terminal.
37*
N.C.
38*
N.C.
39
GND2
GND terminal.
40
TCC1
Input
Time constant adjustment.
41
RFDC
DC feedback capacity.
42
VrA
Output
Analog VREF.
43
EQB
Input
Boost adjustment.
44
EQF
Input
Frequency adjustment.
45
MDI1
Input
Monitor input 1.
46
LDO1
Output
Drive output 1.
47
P1TN
Input
TE– input. (DVD)
49
P1FN
Input
FE– input. (DVD)
50
P1FP
Input
FE+ input. (DVD)
51
LDP1
Input
APC polarity 1.
52
P1DI
Input
D input. (DVD)
IC3301 VHiTA1323F+-1: RF Signal Processor (TA1323F) (1/2)
Terminal Name
Pin No.
Input/Output
Function
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
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Sharp CD-DVD500 (serv.man18) Service Manual ▷ Download

  • DOWNLOAD Sharp CD-DVD500 (serv.man18) Service Manual ↓ Size: 181.85 KB | Pages: 19 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the Sharp CD-DVD500 (serv.man18) in PDF for free, which will help you to disassemble, recover, fix and repair Sharp CD-DVD500 (serv.man18) System. Information contained in Sharp CD-DVD500 (serv.man18) Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.