Onkyo CR-185 - IC Block Diagram

CR-185
IC BLOCK DIAGRAM AND DESCRIPTIONS
CXA1372Q (Servo Signal Processor)
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[PIN NO. SYMBOL |V/O [DESCIRPION [PINNO. [SYMBOL [VO [DESCIRPION,
} VC TT | Mid-point voltage input terminal. [| 23(XLT___|_1 [Latch input terminal for microprocessor. |
Connect the capacitor between FS3andthispin | _24{DATA __| I [Serial data input terminal for microprocessor. __|
2 when the high frequency gain focus servo [____2S|XRST__| 1 [Resetinputterminal.Activelow.
is dropped. | ___26{C.0UT___| © [Signal ourput to count the track numbers.
i ecient all Ee
input terminal. according command from the microprocessor.
FLB Input terminal for the low frequency boost of [__29[MIRR___| O [Mirrorcomparator outputterminal.
pe Neeser. aber To leted eomemrens usec eran
FEO 9 Focus drive ourput terminal. | 3K{ASY _[_{ [Auto asymmenry conwol input terminal.
| ____«|FE- |_1 [Inversion input terminal of focus amplifier. [__32{EFM___'| O [EFMcomparator output terminal. |
Lee fee als algae Pe a es select =| ore beam ine eee ee
waveform. | 34{CCi_ 0 [Defect boom hold outputterminal.
eee
terminal. 37|CB__[_T_ [Defect bottom hold capacitor connection terminal, _|
| 1i[TAO | O [Tracking drive outputterminal. S| ~SSBICP ss [Mirror hold capacitor connection terminal. |
| 14|SLO [0 {Sied drive ourputterminal |S AQTZC OT | Tracking zero-cross comparator input terminal. |
| __t5|St-___| _I_ | Inversion input terminal of sled amplifier. [43/TE ss [Tracking errorinputterminal,
Sees ener ee
focus tracking. when defect.
This terminal is flowed the current so that the ee ae Window comparator input terminal for ATSC
7 focus search,tarcking jump,and sled kick height detection.
is decided. { —-461FZC —si|_1._ [Focos zero-cross comparator input terminal.
[——TaISSTOP 1 [inner swich sclection input emia, | 47]FE [1 Focus error input terminal,
|_____20(DIRC __|[_I_ [This terminal is used when track jump. 4 FDFCT aa Capacitor connection terminal for time constant
ae The sted runaway prevention circuit operates when defect.
at the low level.
i eae G2 Serial data transfer clock input from
microprocessor.