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The following introduces the improved version of the current servo gain adjuster (SZZP1017F):
Part number:
SZZP1094C
Features:
(1) Contains all oscillation frequencies and output adjustments needed for focus servo gain, tracking servo gain, and tracking
balance adjustment (requires no external oscillator).
Servo gain indicator
Oscillation
level
adjustment
(0.1~0.6Vp-p)
Oscillation frequency
adjustment
750Hz
1,000Hz
1,200Hz
Dscillation
1,500Hz
frequency
multipiler
x1
x14
Mode selector
FUNCTION OF IC TERMINALS
©1C305 (M50253P):
System conirol
DATA
Deck control data input
CLK
Deck control clock input
Function select (at "TAPE" position)
TAPEL
TAPE
ADK
High speed editing control
"HIGH"...High speed = "Low'"...Normal speed
Beat proof control signal output
Power cord
© To V-REF
Power switch
Tracking ON/OFF (Normally use at ON.)
AGC OFF
AGC OFF control signal output at ATLS
position
Playback head select signal output
"HIGH"...DECK1
"LOW"...DECK 2
Recording control signal output
"HIGH"...
COW!
ss
12
OM
DECK 2 motor control signal output
"LOW"...Motor drived
DECK 1 motor control signal output
"LOW?" ...Motor drived
1M
DECK 2 plunger control signal output
|
2PL | "LOW'"...Plunger: ON
{PL
DECK 1 plunger control signal output
"LOW"...Plunger: ON
voo | +5v
e1C602 (M50253P):
Input select control
oo [ao SC~*™
DATA
Function select data signal input
Function clock data signal input
e1C701 (AN8373S):
Servo amp.
ome [on | ton
Division
r+ faves | tramp
nano —_|
ron | 1 [Pewee
coreg)
[+ [rose | 1 [Pro aacororonina ne |
Ts [roe | 1 [Pmosescerorennnu as _|
Te fie | 1 fremvenasrrveripst
Pr fio | 0 taeroverasocontouou |
pe fre ft
PD balance adjustment
Tracking balance adjustment
12 | FOOFS
ie
3 Focus offset adjustment
IVA
Current/voitage conversion
output (A)
VB
Current/voltage conversion
output (B)
ee
Ce er]
rm errarinon |
Ce fro [tetracaine
Fe fore
Fe [orem
re fore
[ar owen
Tracking error filter capacitor input
Focus error filter capacitor input
-60-
o[s
|:
> 12
(e)
3 B18
z
Vo
Division
TPO
Tracking error signal output
Focus error signal output
Focus gain up signal input
(Not used, connected to GND)
313
Oo |0
Tracking gain up signal input
(Not used, connected to GND)
Focus/tracking gain down signal
input (Not used, connected to GND)
27
|PTO
Position detecting amp. output
Position detecting amp. input
Position detecting buffer output
@ | 4 2 o|=
}
Uv
ie)
4
Position detecting buffer input
Dropout detection output
RF detections signal output
Dropout detection pulse output
sTglals
"
B}o|
mil °
(e)
Dropout detecting capacitor input
RF signal output
AGC detecting capacitor input
37
Power supply (+5 V input)
Laser power control input
RF signal input
RF signal output
REF
Reference voltage output
Ground terminal
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