Terminal Function Of Ic 痴; Ic7001 (An22004A-Nf) Servo Amplifier; Ic7002 (Mn662790Rsc) Servo Processor/ Digital Signal; Processor/ Digital Filter/ D/A Converter - Panasonic SA-VK31EE Service Manual

SA-VK31EE
20 Terminal Function of IC's
20.1. IC7001 (AN22004A-NF) Servo
Amplifier
Pin No. Mark
1 LPD
2 LD
3 VCC
4 EQSW
5 RF
6 RFN
7 CAGC
8 ARF
9 CEA
10 ENV
11 DCDET
12 CFTCONT
13 BDO
14 OFTR
15 /RFDET
16 LDON
17 GND
18 EQBST
19 VREF
20 TEN
21 TEOUT
22 FEN
23 FEOUT
24 GCTL
25 FBAL
26 TBAL
27 PDE
28 PDF
29 D
30 PDB
31 C
32 PDA
20.2. IC7002 (MN662790RSC) Servo
Processor/ Digital Signal
Processor/ Digital Filter/ D/A
Converter
Pin No. Mark I/O
1 BCLK O
2 LRCK O
3 SRDATA O
4 DVDD1 -
5 DVSS1 -
6 TX O
7 MCLK I
8 MDATA I
9 MLD I
10 SENSE O
11 /FLOCK O
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I/O Function
I Tracking signal input 1
I Tracking signal input 2
- Power supply input
I Focus signal input terminal 1
I Focus signal input terminal 2
I AGC amp input
O AGC loop Alter connecting
capacitor terminal
O RF summing output
I Detector's input
I 3TOUT output
I Capacitor for HPF amp
connection
I/O OFTR detect
O BDO output ("H": drop out)
O OFTR output
O NRFDET output ("L" : detection)
I LDON Terminal
- GND
-
- VREF output Terminal
I TE Amp Input (Low)
- TE Amp output
I FE Amp Input (Low)
O FE Amp output
I/O GCTL Terminal
I/O Focus Balance control Terminal
TBAL control Terminal
I Photo-diode Input
I Photo-diode Input
I
I Photo-diode Input
I
I Photo-diode Input
Function
Serial bit clock output
L/R discriminating signal output
Serial data signal output
Power supply input ( for digital
circuit)
GND (digital circuit)
Digital audio interface signal output
(Latches data at first transition)
Microprocessor command clock
signal input
Microprocessor command data
signal input
Microprocessor command load
signal input
Sense signal output
(OFT,FESL,MAGEND,
NAJEND,POSAD,SFG)
(not used,open)
Focus servo feeding signal output
("L" : Feed)
Pin No. Mark I/O
12 /TLOCK O
13 BLKCK O
14 SQCK I
15 SUBQ I
16 DMUTE I
17 STAT O
18 /RST I
19 SMCK -
20 CSEL I
21 TRV -
22 TVD O
23 PC O
24 ECM O
25 ECS O
26 KICK -
27 TRD O
28 FOD O
29 VREF I
30 FBAL O
31 TBAL O
32 FE I
33 TE I
34 RFENV I
35 VDET I
36 OFT I
37 TRCRS I
38 /RFDET I
39 BDO I
40 LDON O
41 PLLF2 -
42 DSLF2 O
43 WVEL O
44 ARF I
45 IREF I
46 DRF I
47 DSLF I/O
48 PLLF I/O
49 VCOF I/O
50 AVDD2 -
51 AVSS2 -
52 EFM -
90
Function
Tracking servo feeding signal
output ("L" : Feed)
Sub-code block clock signal output
(BLKCKf = 75Hz during normal
playback)
External clock signal input for sub-
code Q resistor
sub-code Q code output
Muting input ("H" : mute)
Status signal output
(CRC,CUE,CLVS,TTSTVP,
FCLV,SQCK)
Reset signal input
1/2-diveded clock signal of crystal
osscillating at MSEL = "H" (SMCK
= 8.4672 MHz) 1/4 divided clock
signal of crystal oscillating at
MSEL = :L: (fSMCK = 4.2336MHz)
(Not connected, open)
Frequency Selection Terminal H =
33.8688 MHz ; L = 16.9344MHz
(Not connected, open)
Traverse drive output
Spindle motor ON output ("L" : N)
Spindle motor drive signal output
(focred mode output)
Spindle motor drive signal output
(servo error signal output)
(Not connected, open)
Tracking drive output
Focus drive output
D/A (drive) output (TVD, ECS,
TRD, FOD, FBAL, TBAL
Reference voltage input
Focus balance adjustment output
Tracking balance adjustment
output
Focus error signal input (analog
input)
Tracking error signal input (analog
input)
RF envelope signal input
Vibration detection signal input ("H"
;detection)
Off-track signal input ("H" : off
track)
Track cross signal input
RF detection signal input ("L" :
detection)
Dropout signal input ("H" : Dropout)
Laser on signal output ("H" : ON)
(Not connected, open)
Tracking Offset alignment
output/DSL Balance Output (DA
Output)
RF signal input
Reference current input
DSL bias terminal (not used, open)
DSL loop filter terminal
PLL loop filter terminal
VCO loop filter terminal
Power supply input (for analog
circuit)
GND (for analog circuit)
FM signal output (Not connected,
open)