Ic Pin Function Description - Sony MZ-NF810CK Service Manual

MZ-NF810/NF810CK

6-9. IC Pin Function Description

• IC801 CXD2680-203GA (SYSTEM CONTROLLER, DIGITAL SIGNAL PROCESSOR)
Pin No. Pin Name
1 OSCI
2 OSCO
3 VREFL
4 AOUTL
5 AOUTR
6 VREFR
7 ASYO
8 ASYI
9 BIAS
10 RFI
11 PCO
12 FILI
13 FILO
14 CLTV
15 PEAK
16 BOTM
17 ABCD
18 FE
19 VC
20 ADIO
21 ADRB
22 SE
23 TE
24 AUX1
25 ADRT
26 DCHG
27 APC
28 ADFG
29 APCREF
30 TRDR
31 TFDR
32 FFDR
33 FRDR
34 FS4
35 SFDR
36 SPRD
37 SPFD
38 SPDV
39 SPDW
40 SPCU
41 SPCV
42 SPCW
43 SLDV
44 SLDW
45 SLCU
46 SLCV
47 SLCW
48 SRDR
49 DIN
50 DADT
50
I/O
I Resonator connection terminal for the system clock (22.5792MHz)
O Resonator connection terminal for the system clock (22.5792MHz)
O Reference voltage terminal connected to the capacitor (for the built-in D/A converter L-CH)
O Built-in D/A converter L-CH signal output
O Built-in D/A converter R-CH signal output
O Reference voltage terminal connected to the capacitor (for the built-in D/A converter R-CH)
O Playback EFM duplex signal output
I Playback EFM comparator slice level input
I Bias current input terminal for the playback EFM comparator
I Playback EFM RF signal input from the RF amplifier
O Phase comparison output terminal for the playback EFM system master PLL
I Filter input terminal for the playback EFM system master PLL
O Filter output terminal for the playback EFM system master PLL
I Internal VCO control voltage input terminal for the playback EFM system master PLL
I Peak hold signal input of the light amount signal (RF/ABCD) from the RF amplifier
I Bottom hold signal input of the light amount signal (RF/ABCD) from the RF amplifier
I Light amount signal (ABCD) input from the RF amplifier
I Focus error signal input from the RF amplifier
I Middle point voltage input from the RF amplifier
O Monitor output terminal of A/D converter input signal Not used (open)
I The lower limit voltage of A/D converter input terminal (connected to the ground)
I Sled error signal input from the RF amplifier
I Tracking error signal input from the RF amplifier
I Auxiliary A/D input (fixed at "H" in this set)
I The upper limit voltage of A/D converter input terminal (fixed at "H" in this set)
I Connecting terminal with the analog power supply of low impedance (fixed at "H" in this set)
I Error signal input for the laser automatic power control (fixed at "H" in this set)
I ADIP duplex FM signal (22.05±1kHz) input from the RF amplifier
O Reference PWM signal output for the laser automatic power control to the RF amplifier
O Tracking servo drive PWM signal output (–) to the coil driver
O Tracking servo drive PWM signal output (+) to the coil driver
O Focus servo drive PWM signal output (+) to the coil driver
O Focus servo drive PWM signal output (–) to the coil driver
O 176.4kHz clock signal output
O Sled servo drive PWM signal output to the motor driver
O Spindle motor drive control signal output (U) to the motor driver
O Spindle servo drive PWM signal output to the motor driver
O Spindle motor drive control signal output (V) to the motor driver
O Spindle motor drive control signal output (W) to the motor driver
I Spindle motor drive comparison signal input (U) from the motor driver
I Spindle motor drive comparison signal input (V) from the motor driver
I Spindle motor drive comparison signal input (W) from the motor driver
O Sled motor drive control signal output (V) to the motor driver
O Sled motor drive control signal output (W) to the motor driver
I Sled motor drive comparison signal input (U) from the motor driver
I Sled motor drive comparison signal input (V) from the motor driver
I Sled motor drive comparison signal input (W) from the motor driver
O Sled motor drive control signal output (U) to the motor driver
I Digital audio signal input
O Audio data output terminal Not used (open)
Description