Sharp DV-L70U Service Manual page 21

9-2. IC303 IX1517GE
Pin No. Terminal name I/O
1 GND
2 P2TP
3 P2TN
4 LDO2
5 MDI2
6 VrA
7 VrD
8 Vdd
9 DPAC
10 DPBD
11 DPD1
12 DPD2
13 SCB
14 SCL
15 SCD
16 VRCK
17 VCKF
18 VccP
19 LVL
20 TEO
21 FEO
22 DFTN
23 VccS
24 RPZ
25 RPO
26 RPB
27 RPP
28 RFO
29 NC
30 NC
31 VccR
32 DPDB
33 TEB
34 FEB
35 PSC
36 Vcc2
37 NC
38 EQD
39 GND2
40 RFDC
41 RFA
42 EQB
43 EQF
44 MDI1
45 LDO1
46 P1TN
47 P1TP
48 NC
49 P1FN
50 P1FP
51 LDP1
52 P1DI
RF SIGNAL PROCESSOR
Operation function
– GND terminal.
I TE+input (CD)
I TE–input (CD)
O Drive ouput
I Monitor input
O Analog VREF
O Digital VREF
I Power terminal
– DPD AC combination capacity 1
– DPD AC combination capacity 2
– DPD integral capacity 1
– DPD integral capacity 2
I Control line (Bit clock)
I Control line (Latch signal)
I Control line (Sirial Data)
I Reference clock input
– Capacity for time constant adjustment
– Power terminal
O Servo addition output
O TE output
O FE output
I DPD difect
– Power terminal (servo)
O RF ripple center voltage
O RF ripple output
O RF ripple bottom
O RF ripple peak
O Equalizing RF output
– NC terminal
– NC terminal
– Power terminal (RF)
I Pit depth adjustment
I TE balance
I FE balance
I VRCK frequency division ON/OFF
– Power terminal
– NC terminal
I Group delay correction
– GND terminal.
– DC feedback capacity
O RF total addition output
I Boost adjustment
I Frequency adjustment
I Monitor input
O Drive output
I TE–input (DVD)
I TE+input (DVD)
– NC terminal
I FE–input (DVD)
I FE+input (DVD)
I APC polarity 1
I D input (DVD)
Terminal DC Voltage(TYP.)
–
VrA
VrA
–
–
2.1[V]
–
–
–
–
–
2.2[V]
2.2[V]
2.2[V]
2.3[V]
–
–
Vrd x (1/2)
VrD
VrD
–
–
VrD
VrD
–
–
2.3[V]
–
–
–
VrD
VrD
VrD
–
–
VrD
VrD
–
–
2.2[V]
VrD
VrD
–
–
VrA
VrA
–
VrA
VrA
–
9-2
Remarks
Vdd 1/2
4.2V (3.3V)
When frequency is increased, the
filters excepting the servo LPF are
shifted to high frequency side.
Low DPD output: Mute
To be connected to GND
To be connected to GND
When D PDB is raised, the A/B
side delay increases.
When TEB is raised, the TP side
gain increases and the A+C side
delay increases.
When FEB is raised, the A+C (FP)
side gain increases.
High: Frequency division OFF
To be connected to VrD, or to GND
through C
When EQD is raised, the group
delay increases at the right side.
When EQB is raised, the boost increases.
When EQF is raised, shift to the
high frequency side occurs.
To be connected to GND
Positive polarity when this terminal
is connected to Vcc.
DV-L70U