SERVO CONTROLLER Servo Controller 1414A KA8334B servo c

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SERVO CONTROLLER Servo Controller 1414A KA8334B servo c

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KA8334B
SERVO CONTROLLER
Servo Controller
1414A
KA8334B servo controller with built-in digital servo function analog amplifiers, select head specifications search speed that able correspond multi function VCR.
ORDER INFORMATION
DEVICE KA8334B PACKAGE OPERATING TEMPERATURE
FEATURES
Using limit amplifier D-FG signal, variation minimum. Built-in D-PG amplifier. switching logic output. Wide aspect VISS write, rewrite. Head switching point controlled analog M.M. serial data bits. Contains C-FG frequency doubling block. ASB(asemble) mark writing detecting. mode selection 6.5H detect output between video head switching V-sync. C-P/D outputs fixed serial data. controlled serial data. output skip data When signal skipped.) Compensation Capatan phase. step switching P.CTL schmitt width. charged capacitor filter when supply voltage applied. Wide aspect discretion data full mode letterbox mode) writing
KA8334B
MAXIMUM RATING
Servo Controller
Symbol VOPR TSTG TOPR Value Unit
Parameter Power supply Operating voltage Storage temperature Operating temperature Power dissipation
ELECTRO STATIC DISCHARGE
CONDITION 1.5K VALUE UNIT VOLT
1500 over
Previous condition: Human Body Electrostatic Mode
KA8334B
ELECTRICAL CHARACTERISTICS ,Vcc=
Servo Controller
Parameter Quiscent current
SYMBOL
TEST CONDITIONS load Pin23
SPECIFICATIONS Unit
APPLICATION TERMINAL 23,33
value output voltage value output voltage value output voltage value output voltage PULL output voltage PULL output voltage PULL output voltage PULL resistance value output voltage
load
0.05
43.45
load Load current Load current load load Load current
43.45
43.45
43.45
13.0
load
KA8334B
ELECTRICAL CHARACTERISTICS Continued
SYMBOL TEST CONDITIONS load
Servo Controller
SPECIFICATIONS Unit
Parameter value output voltage value output voltage value output voltage value output voltage value level output impedance output voltage output impedance value input value input value input pull resistance value input value input value input voltage value input input resistance Amp. Gain input senstivity CTLP schmitt input voltage
APPLICATION TERMINAL
load
Load current
Load current
13.0
VCTL
load, Potential between pin24 ILOAD 24pin 25pin
RCTL
VTH1 VTH2
13.0
18.5
28.0
42.0
mVpp
Afsc Vfsc
Internal Internal
Vm31
KA8334B
ELECTRICAL CHARACTERISTICS Continued
Servo Controller
Parameter CTLP schmitt input CTLP schmitt input CTLP schmitt input CTLP schmitt input CTLP schmitt input CTLP schmitt input CTLP schmitt input PCTL schmitt input C.FG Input volt. C.FG schmitt width C.FG schmitt width D.PG schmitt input D.PG schmitt input D.FG. AMP. Input voltage D.FG input senstivity D.PG Input voltage
SYMBOL VM32
TEST CONDITIONS normal speed
SPECIFICATIONS Unit mVOP
APPLICATION TERMINAL
normal speed
-180
-150
-105
mVOP
medium speed search medium speed search high speed search high speed search During VISS detect
mVOP
-360
-300
-240
mVOP
mVOP
-680
-600
-520
mVOP
1000
1100
mVOP
During VISS detect
-1100
-1000
-900
mVOP
mVPP
-180
-150
-105
mVPP
Input external resistor
mVOP
difference with
mVOP
VLMA
mVPP
VM60
KA8334B
ELECTRICAL CHARACTERISTICS Continued
Servo Controller
Parameter Power reset input Power reset input current Sync input Sync input voltage Sync input senstivity Sync input Input impedance D.PG CTLP gain Drum gain CAP. gain Analog leakage current Analog resistance
V39TH
TEST CONDITIONS
SPECIFICATIONS Unit
APPLICATION TERMINAL
IM39
V46TH
input
VSYC
DUTY square coupling cap, measure peak value
mVpp
18.5
28.0
42.0
VMMT ACTL
D.PG f=4KHz f=4KHz
24,25,28,30 5,6,9
f=4KHz
15,20,22
-1.0
RASW
1000
KA8334B
DESCRIPTIONS
Function DRUM Common DRUM Descriptions common D-FG D-PG signal.
Servo Controller
Input/Output form
180K
Bias voltage about 2.5V D-FG Input minimum level 10mV. note) Refer
+ead switching timing chart
HEAD
DRUM SELECT
value input OPEN
Note)Refer head switching timing chart
DA4-:TEST DA4-;TEST
HEAD
HEAD
DA4-<TEST
2.9V
D.MIX D.MIX D.MIX C.MIX C.MIX C.MIX D.F/V D.P/D C.P/D C.F/V capacitor output. Output dynamic range: 4.3V Output impedance Connected. Analog switch., Switch resistance Drum amp, capstan Open loop gain full feedback, oscillation Output dynamic range: load Output impedance
From
),18 ),19 ),21 Leakage current Head Head Bias PCTL ouput Output impedance
500ohm
PCTL
500ohm
REC.CTL
Open loop gain
full feedback, oscillation. Output dynamic range 0~5V Output impedance Schmitt width
Schmitt bias VTH: point. Internal bias about
Built frequency doubling block.
KA8334B
DESCRIPTIONS Continued
Function Duty Descriptions value input/output, pull note) Refer Mark FSC1 FSC1 FSC2 Power reset Duty mode
Servo Controller
XISS-VASS?
VISS mode VISS undetection VISS detection
Input/Output form
mark, Duty=60% Data=?? Duty=60% Mark, Duty=70% Data=?? Duty=27%
internal OSC. block external OSC. block selected serial data. Built-in clock gain external OSC. block senstivity Connected. Connects capacitor 0.047uF). Servo reference signal Video head switching pulse Audio head switching pulse Extra head switching pulse
150mV.
HA-SLT
4-head select output Quasi V-pulse value output
Composite Sync.
value input Digital input mode, synchronizes internal reference, REC, INST, mode, separated synchronizes sync.
1.8V 2.8V
ENV-DET
value input Envelop detect input. note) Attention 4-head logic timing
SUB-H
value input 4-head changing logic support input.
Serial Data
value input schmitt Pull-up resistor Kohm. Note) Refer serial input
Serial
value input Schmitt Pull-up Resistor Kohm Note) Refer serial input
KA8334B
DESCRIPTIONS
Function Mode Output Descriptions
Servo Controller
Input/Output form 6.5H DET. DET.
CFG30,
C/D: count- downed signal output search speed. C/D: count- downed signal output search speed. 30(REC) REC, compared signal CAPSTAN phase input output count down (PAL:25Hz) CTL(PB) MODE OUTPUT signal (squar ware) output.
Color rotation output. note) Refer ?-head rotation logic
DELAY NOISE DET. COUNTER DRUM DRUM
DELAY COUNTER NOISE DET. Time constant: retriggerable
Refer SIME CHART Refer Refer KOISE
note) refer ?-Head timing?
DRUM
Built-in input schmitt. Input resistor Feedback resistor: note) Refer
Cead
100K
switching
timing?
KA8334B
INPUT CIRCUIT
Servo Controller
Case using single system clock
KA8334B FSC2
FSC1
FSC1
over
Serial data selection FSC2
FSC1 (cf. S-DATA table)
Case using kinds system clock (multi-mode)
KA8334B
over
Serial data selection FSC1, FSC2 Oscillation frequency minute adjust (cf. X-tal electrical characteristics spec) Amplitude oscillation frequency adust case interference between FSC1 FSC2, resistor several connection both between capacitor between
KA8334B
TIMING CHART
Servo Controller
V-FF
2.288 1.848
D.TRAPE 17.420ms 20.513ms 25.1 25.3 382.7 385.1
DRUM COUNTER
V.SYNC (REC,ASB,INST) DELAY COUNTER ASBL
14.369 18.126
18.308 22.172 4.577ms ASBL 3.695ms
2048/fsc*(N+1)
TRAPE
2.288ms 1.848ms
PB-REC 14.393ms 17.972ms COUNTER 33.363ms 39.639ms
ASBL INST COUNTER (TRACKKING) TRAPE
2048/fsc*(M-68.71875) 2048/fsc*(M-40.4375)
KA8334B
Servo Controller
PGMM
PGMM
PGMM
KA8334B
Servo Controller
PGMM
NTSC
402.29 461.93
277.13 332.01
125.16 129.92
339.71 389.80
(N+1) Analog Delay Time (Unit
KA8334B
FUNCTION GUIDE constant DRUM speed block
freq. NTSC 719.36Hz 600.00Hz freq. 719.36Hz 600.00Hz Counter clock
Servo Controller
Counter number
FV-Gain 60.75mV/% 60.13mV/%
Drum ADJ. 596Hz 906H 496Hz 758Hz
constant DRUM phase block
frequency NTSC phase COMP phase COMP 29.97 3.93 3.91 Counter clock Counter number Drum gain 1.092 1.092 1.353 1.353 3.277 V/ms 3.277 V/ms 4.059 V/ms 4.059 V/ms
constant Capstan phase block
frequency Counter clock Counter number NORMAL NTSC 29.97 25.00 25.22 Drum gain NORMAL 0.546 0.677 NORMAL 1.639 2.030
Conversion CAPSTAN gain
NTSC SLOW NTSC LP(9H) SLOW NTSC EP(12H) SLOW SLOW SLOW
KA8334B
constant CAPSTAN speed block
freq. Noraml Search SLOW Noraml SLOW SLOW NORMAL 809.1 404.6 269.7 179.85 134.85 581.7 404.6 269.7 179.85 134.85 Refer apstan frequency Refer apstan frequency freq. 2157.8 1079.2 719.2 479.5 359.6 1618.2 809.2 539.4 359.7 269.7 1163.4 809.2 539.4 359.7 269.7 1513.4 756.7 1135.5 567.5 756.7 567.5
Servo Controller
Counter clock
COUNT. Numb
gain
40.50 mV/% 45.56 mV/% 40.50 mV/%
54.0 mV/% 60.74 mV/% 54.0 mV/% 54.0 mV/% 60.74 mV/% 54.0 mV/% 35.76 mV/%
SLOW SLOW
SLOW
567.5 283.7 378.4 283.7
47.68 mV/% 71.52 mV/% 47.68 mV/%
Conversion schmitt
NTSC SLOW 9,11, 12,13, NTSC LP(9H) SLOW 21,22, NTSC EP(12H) SLOW SLOW 9,11, 12,13, SLOW 21,22,
fixed output
KA8334B
Capstan center frequency (KHz)
Servo Controller
Forward Serial Capstan 1.079 2.158 3.236 4.455 5.569 7.796 10.024 20.852 12.743 24.326 15.060 21.010 17.376 19.693 SLOW Refer ?Constant CAPSTAN speed block NTSC Capstan frequency NTSC 0.539 1.079 1.618 2.158 2.697 3.898 5.012 23.169 12.743 13.901 15.060 18.535 8.353 16.218 0.360 0.719 1.079 1.438 2.517 3.236 10.024 3.712 12.743 13.515 15.060 4.826 5.569 7.796 0.757 1.513 2.270 3.109 3.886 5.441 6.996 14.488 8.854 16.903 10.464 15.293 12.074 13.683 0.378 0.757 1.135 1.513 1.891 2.720 3.498 16.098 8.854 9.659 10.464 12.878 5.830 11.269 1.079 2.158 3.236 4.138 5.174 7.242 9.312 17.977 10.986 20.975 12.984 18.976 14.981 16.978 NTSC 0.539 1.079 1.618 2.158 2.697 3.621 4.655 19.975 10.986 11.985 12.984 15.980 7.759 13.983
Reverse 0.360 0.079 1.079 1.438 2.517 3.236 9.312 3.449 10.986 11.652 12.984 4.483 5.173 7.242 0.757 1.513 2.270 2.921 3.651 5.111 6.572 0.378 0.757 1.135 1.513 1.891 2.556 3.286
12.765 14.183 7.801 14.893 9.219 7.801 8.510 9.219
13.474 11.346 10.637 12.056 5.494 9.928
about Capstan frequency
about
7.2% 8.4%
8.0% 9.6%
KA8334B
Serial Input Timing Chart
Servo Controller
SERIAL CLOCK
SERIAL DATA
SHIFT REGISTER CLOCK LATCH PULSE
When Serial data
serial clock negative adge. absolutely
Latch pulse then generated previous 16-bit data effective.
time when serial data after data latch clock both
Serial input pulled-up about Care should
specified over 500ns.
taken time delay
waveform. External pull-up presister required higher speed.
KA8334B
Serial Data Input Register
Servo Controller
VISS, VASS
SPEED SECTOR
DRUM COMP INST, ASBL STOP STOP
SP/LP/EP
Address
RESET
ON/OFF
SHIFT SHIFT SITE SECTOR
SHIFT AMOUNT
POSITION DATA
SEL.
DELAY DATA VALUE
NTSC REF. SLOW /PAL SEL. SEL. SEL.
TRACKING DATA
FIX.
MODE OUTPUT FIX. SEL.
HEAD SWITCHING PULSE DELAY DATA
TIME CTL. CTL. MODE MODEMODE
address
Servo
inclucles register previous 79-bit serial data
tail bits 2-0, only addressed each register
address
bits registers reset during power
provious becomes input data register address.
Each register automatically reset when registers speed,
preset mode, bits except bits selecting mode
compensation, control implemented into modes
KA8334B
SERIAL DATA TABLE
Servo Controller
LP(9H MODE) EP(12H MODE) DRUM STOP DRUM CAPSTN STOP CAPSTN ASBL INST conpensation DUTY DET. MODE DUTY DET. MODE VISS RESET
VISS MODE VISS MODE,VISS RESET VISS MODE,VISS RESET VISS MODE,VISS RESET VISS RESET
VISS MODE, VISS WRITE WRITE MODE,VISS RESET
KA8334B
Servo Controller
NTSC (9H) (12H)
SLOW; FIX,
SLOW DRUM
KA8334B
Servo Controller
WIDE ASPECT NORMAL MODE WIDE ASPECT NORMAL MODE WIDE ASPECT MODE WIDE ASPECT MODE
MODE MODE
HEAD PULSE DELAY DATA
KA8334B
Servo Controller
TRACKING DATA Mode output CFG30 (REC)
DELAY COUNTER
6.5H missing SYNC (SYNC. separated)
NOISE DET.
DRUM DRUM missing signal output normal operation P.CTL schmitt value selection FIXED C.PD OUTPUT schmitt width 1000mV
D.PD output: Normal Fixed D.PD output
KA8334B
SERIAL DATA TABLE
Servo Controller
POSITION DATA SHIFT SHIFT SHIFT SHIFT SHIFT SHIFT 0.0H 0.5H 1.0H 1.5H 2.0H 2.5H FIX.ED FIX.ED SHIFT SHIFT FIX.ED SHIFT FIX.ED SHIFT
SHIFT SHIFT SHIFT SHIFT
SHIFT Direction SHIFT Direction LEVEL OUTPUT) VALUE LEVEL OUTPUT) VALUE OUTPUT) MONITOR CUT(H LEVEL OUT.)
KA8334B
SERIAL DATA TABLE
Servo Controller
DELAY DATA VALUE COMPENSATION) FILD
CLOCK SEL(fsc1:ON, fsc2:OFF) CLOCK SEL(fsc1:OFF,fsc2:ON)
SLOW SLOW
NTSC SHIFT SHIFT
SHIFT FIXED
TEST MODE
KA8334B
PULSE
PULSE VALUE OUTPUT
Servo Controller
VARIABLE SHIFT
V.Head Switching Pulse Edge
output through Refer variation?
2HIFT
When specified Vp+6H, output when fixed, will
V.H.SW EDGE Value -2.5H SHIFT 2.5H
KA8334B
Servo Controller
Value
Slow Mode, above channel variable. other mode, simultaneously fixed. MODE HEAD FIXED FIXED SHIFT SHIFT SHIFT FIXED
Shift Quantity serial data
NTSC
41.5-N 43.75-N
about 3.0H 11.7H about 2.9H 9.9H
Quanty About 6.0H
SHIFT
serial data, quantity shift, shift channel shift direction varied follows
Shift Quantity
Shift Quantity
KA8334B
Shift Channel Shift Direction delayed direction
Servo Controller
FIXED
FIXED
FIXED FIXED SHIFT SHIFT SHIFT SHIFT
SHIFT SHIFT FIXED FIXED SHIFT SHIFT
KA8334B
VISS VASS MARK. SERIAL VASS MODE MARK RECORD According Duty input VISS VASS record ACTION According Duty input VASS record
VISS CODE WRITE (AUTO)
Servo Controller
INST VASS DATA WRITE
MARK DETECT
VASS DATA 1BIT DET. OUTPUT DUTY
VISS CODE DETECT Latch VISS code output
VISS CODE DETECT
Distinguish between VISS code reset VISS CODE REWRITE AUTO
VISS VASS MARK RECORD. Wide Aspect OPERATION MARK RECORD NORMAL VASS DATA RECORD VISS CODE RECORD MARK RECORD WIDE ASPECT VASS DATA RECORD VISS CODE RECORD DUTY OUT) OUT) DUTY(%) 62.5 70.0 62.5 30.0 62.5 30.0 57.5, 62.5 70.0 57.5, 62.5 25.0, 30.0 57.5, 62.5 25.0, 30.0 VISS CODE AUTO RECORD LLSS PATTERN RECORD LLSS PATTERN RECORD MARK LLSS PATTERN RECORD MARK VISS CODE AUTO RECORD Remark
Wide aspect mode operation same that wide aspect mode, record pattern ?LLLS?
KA8334B
14-3) VISS/VASS/ASB MARK DETECT OPERATION
Servo Controller
Whenever signal duty 66.7% over inputted, mark detected ?level outputted DUTY I/O. Whenever signal duty 40.0% below inputted, DATA 1?is detected ?level outputted DUTY I/O. Whenever signal duty 40.0% below inputted consecutively much over ?level outputted DUTY I/O. Otherwise ?level outputted DUTY I/O. ?means 30.0% 62.5% duty pulses, ?means 25.0% 57.5% duty pulses.
usage C.SYNC Internal synchronizing SYNC seperated synchronized V.SYNC REC, INST mode.
KA8334B
Servo Controller
SYNC about 3.4us about 3.2us
COUNTER
about 227.5/fsc about 283.75/fsc about 48us
NOISE REJECT about 12us EQUALIZING PULSE NOISE DET. WINDOW
about 49us
about 33us
about 58.1us about 59.5us
about 4.5us
output quasi-V PULSE able output through
mode output.
Even external stable, there jitter about clock.
NOISE DET. FIELD DET.
Mode Noise DET. Sync DET. FIELD DET. Field DET. Compensation Noise DET. Sync DET. Noise DET. Sync DET. ASBL INST Noise DET. Sync DET. Field DET.
KA8334B
Servo Controller
modes except field Det. previous table, detects noise composite Sync. detecting method follows
Noise Detection Sync Detection Sync Detection
detects more amount noise than specified between sync. detects more jitter H-sync than specified.
detects whether there V-sync jitter not. noise detector operated that noise detected operations follows
High output through mode output make Sync reset from V-sync function. adjusts compensation error compensation mode.
Operation Refer Block Diagram After compensation mode off, lasts on-stage about 100ms. After power reset, time 120mS. (But, 0.047 After power reset, time 120mS. (But, 0.047 Capstan loop gain selection mode Refer capstan gain selection CTLP operation CTLP recording Description
controlled S-DATA controlled S-DATA. But, auto slow
capacitor should connected between GND)
compention Mode Drum controlled S-DATA
capacitor should connected between GND)
KA8334B
4-Head Selection Logic
MODE SLOW SEARCH SEARCH SLOW SEARCH SLOW OUTSIDE SLOW OUTSIDE SLOW
Servo Controller
ENV-DET V-FF
REMARK
FSC2 selection FSC1 selection
NTSC
Slow means that operate FORWARD SLOW
BLOCK KA8334B
SELECTION LOGIC
ENV-DET HA-SLT OUTPUT
KA8334B
CENTER FREQUENCY MODE
Servo Controller
FORWARD SERIAL MODE 0.240 0.480 0.720 0.960 1.200 1.680 2.160 5.040 5.280 5.760 6.240 3.120 3.600 4.080 SLOW REFER CAPSTAN SPEED CONSTANT About 7.2% 8.4% above frequency NTSC MODE 0.180 0.360 0.540 0.720 1.260 1.620 5.012 1.856 6.371 6.758 7.530 2.413 2.785 3.898 MODE 0.240 0.480 0.720 0.960 1.200 1.680 2.160 5.040 5.280 5.760 6.240 3.120 3.600 4.080
REVERSE NTSC MODE 0.180 0.360 0.540 0.720 1.260 1.620 4.656 1.725 5.493 5.826 6.492 2.242 2.587 3.621
CAPSTAN

SERVO CONTROLLER Servo Controller 1414A KA8334B servo c

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