6-7. Ic Pin Function Description - Sony D-V7000 Service Manual

6-7. IC PIN FUNCTION DESCRIPTION

•
MAIN BOARD IC601 CXD2545Q
(DIGITAL SIGNAL PROCESSOR, DIGITAL SERVO PROCESSOR)
Pin No. Pin Name
1 SRON
2 SRDR
3 SFON
4 TFDR
5 TRON
6 TRDR
7 TFON
8 FFDR
9 FRON
10 FRDR
11
FFON
12
VCOO
13 VCOI
14 TEST
15 DVSS
16 TES2
17 TES3
18 PDO
19 VPCO
20 VCKI
21 AVD2
22
IGEN
23
AVS2
24
ADII
25 ADIO
26
RFDC
27 TE
28 SE
29
FE
30
VC
31
FILO
32 FILI
33
PCO
34
CLTV
35
AVS1
36
RFAC
37
BIAS
38
ASYI
39 ASYO
40 AVD1
41 DVDD
42 ASYE
43 PSSL
44 WDCK
45 LRCK
I/O
O Sled servo drive PWM signal output terminal Not used (open)
O
Sled servo drive PWM signal (–) output to the MPC17A38ZVMEL (IC502)
O Sled servo drive PWM signal output terminal Not used (open)
O
Tracking servo drive PWM signal (+) output to the MPC17A38ZVMEL (IC502)
O
Tracking servo drive PWM signal output terminal Not used (open)
O
Tracking servo drive PWM signal (–) output to the MPC17A38ZVMEL (IC502)
O Tracking servo drive PWM signal output terminal Not used (open)
O
Focus servo drive PWM signal (+) output to the MPC17A38ZVMEL (IC502)
O
Focus servo drive PWM signal output terminal Not used (open)
O Focus servo drive PWM signal (–) output to the MPC17A38ZVMEL (IC502)
O Focus servo drive PWM signal output terminal Not used (open)
O Oscillator circuit output terminal for analog PLL of the playback EFM
I Oscillator circuit input terminal for analog PLL of the playback EFM
I Input terminal for the test (fixed at "L")
—
Ground terminal (digital system)
I Input terminal for the test (fixed at "L")
I Input terminal for the test (fixed at "L")
O
Charge-pump output terminal for analog PLL of the playback EFM Not used (open)
O PLL charge-pump output terminal for the variable pitch Not used (open)
I Master clock signal (16.9344 MHz) input from the D/A converter (IC320) for the variable pitch
— Power supply terminal (+3.3V) (analog system)
I Power supply terminal (+3.3V) (for operational amplifier)
— Ground terminal (analog system)
I Input terminal for the A/D converter Not used (open)
O Output terminal of the operational amplifier Not used (open)
I RF signal (DC level) input terminal for the digital servo process
I
Tracking error signal input from the CXA1791N (IC501)
I Sled error signal input from the CXA1791N (IC501)
I Focus error signal input from the CXA1791N (IC501)
I Middle point voltage (+1.65V) input from the CXA1791N (IC501)
O Filter output terminal for master clock of the playback master PLL
I Filter input terminal for master clock of the playback master PLL
O Phase comparison output terminal for master clock of the playback EFM master PLL
I Internal VCO control voltage input of the playback master PLL
— Ground terminal (analog system)
I RF signal (AC level) input terminal for the EFM demodulator
I Constant current input terminal of the playback EFM asymmetry circuit
I Playback EFM asymmetry comparator voltage input terminal
O
Playback EFM full-swing output terminal
— Power supply terminal (+3.3V) (analog system)
— Power supply terminal (+3.3V) (digital system)
I Playback EFM asymmetry circuit on/off selection input terminal (fixed at "H")
I Audio data output mode selection input terminal (fixed at "L")
O Word clock signal (88.2 kHz) output terminal Not used (open)
L/R sampling clock signal (44.1 kHz) output to the D/A converter (IC320) and MPEG
O
audio/video decoder (IC901)
Function
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