6-14. IC BLOCK DIAGRAMS
N CD DECORD SECTION N
IC701 CXA1992BR
PD2PD1PDLDRFTCRF MRF ORF ICPCBCC1CC2FOK
39383736353433 3231 30292827
PD 2PD 1PDLD
I-V AMPI-V AMPAMPAMPRF SUMMING
AMPFOCUS OK
COMPARATOR
VCC
LASER
POWER
CONTROL
IFB1 � IFB6
PEAK/BOTTOMMIRR
HOLDCOMPARATORIIL
?
FETTLPEAK/BOTTOMDEFECT
40
BIASHOLDAMP
FOCUS BIAS
FOCUS ERROR
WINDOW
VEEAMPCOMPARATOR
F I-VFOLLPC
F41FOHLDONLPCLTGFLMIRRDFCT1CC1
AMP
IIL26 SENS2
TGH?25 SENS1
E I-VTRACKING GAIN
E42TTLTGFL
AMPWINDOWTGL24 C. OUT
COMPARATOR
EI43BALHIIC DATA REGISTER, INPUT SHIFT REGISTER,
ADDRESS DECODER, SENSE SELECTOR,
VEE44VEEBALL23 XRSTOUTPUT DECODER
TEO45TTL22 DATA
ATSC
?21 XLT
IIL20 CLK
19 LOCK
BAL1 � BAL4TOG1 � TOG4
E-F BALANCE
TZCFZC
LPFI46WINDOW
COMPARATORVCC18 VCC
TEI47VCC
DFCTO
ATSC
FS1 � FS4
ATSC48WINDOWIFB1 � IFB6TG1 � TG2TM1 � TM7PS1 � PS4ISET17 ISET
BAL1 � BAL4TOG1 � TOG4TM6
COMPARATOR
TZC16 SL O
TZC49
COMPARATOR
TM115 SL M
DFCT
TRACKING PHASE
�
COMPENSATION
TDFCT+14 SL P50TG1TM5
VCC
TM2
CENTERVEE
VCC
VC51VOLTAGE
GENERATORTM7
FZC
FZC52VCCTM4
COMPARATOR
VEE
FOCUS PHASEFS1
CHARGE UP
COMPENSATION
�+
DFCTFS4FS2
FSET
TM3
TG2
VEEVEE
12345678910111213
FEOFEIFGDFLBFE OFE MTGUTG2FSETTA MTA O
FDFCTSRCH
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