30
Pin No.
38
SLOF
I
Sled servo off control input.
39
CV
I
CLV error signal input from the DSP.
40
CV+
41
RFSM
O
RF output.
42
RFS
O
Sets the RF gain and the EFM signal's 3T compensation constant together with the RFSM pin.
43
SLC
O
The SLC (slice level control) signal is output to control the DSP's data slice level of the RF
waveform.
44
SLI
I
Input to control the DSP's data slice level.
45
D-GND
Ground of digital signals.
46
FSC
O
Output for the focus search smoothing capacitor.
47
TBC
I
The TBC (tracking balance control) signal sets the EF balance variation range.
48
NC
Not connected.
49
DEF
O
Disc defect detection output.
50
CLK
I
Reference clock input. 4.23MHz is input from the DSP.
51
CL
I
Microprocessor command clock input.
52
DAT
I
Microprocessor command data input.
53
CE
I
Microprocessor chip enable input.
54
DRF
O
DRF (detect RF) is an output to detect the RF level.
55
FSS
I
The FSS (focus search select) signal switches the focus search modes (+/-search / +search with
respect to the reference voltage). (Not used)
56
VCC2
VCC of servo and digital circuits.
57
REFI
For the connection of bypass capacitor for the reference voltage.
58
VR
O
Reference voltage output.
59
LF2
Sets the time constant for disc defect detection.
60
PH1
For the connection of a capacitor to hold the RF signal peak.
61
BH1
For the connection of a capacitor to hold the RF signal bottom.
62
LDD
O
APC circuit output.
63
LDS
I
APC circuit input.
64
VCC1
VCC of RF signal circuits.
I/O
Description
Pin Name
All manuals and user guides at all-guides.com
Summary of Contents for XR-EM70
Page 13: ...13 SCHEMATIC DIAGRAM 2 MAIN 2 2 AMP SECTION All manuals and user guides at all guides com...
Page 18: ...18 SCHEMATIC DIAGRAM 4 CD CD DRIVE CD LOAD All manuals and user guides at all guides com...
Page 20: ...20 SCHEMATIC DIAGRAM 5 TUNER All manuals and user guides at all guides com...
Page 22: ...22 SCHEMATIC DIAGRAM 6 PT All manuals and user guides at all guides com...
Page 24: ...24 IC BLOCK DIAGRAM All manuals and user guides at all guides com...
Page 25: ...25 All manuals and user guides at all guides com...
