Onkyo DX-C120 Service Manual

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CXA1372Q (Servo Signal Processor)
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NOLLYSNIDMOD
36 VHd ONINOVAL
d01ss(a1)
The sled runaway prevention circuit operates
at the low level
Serial data transfer clock input from
microprocessor.
Q is
DESCIRPION IPINNO. SYMBOL [VO |DESCIRPION, et CisCsCisS
IVC tT | Mid-point voltage input terminal. | __23|XLT_ tT [Latch input terminal for microprocessor. |
a Connect the capacitor between FS3 andthispin {| 24IDATA___|_ I [Serial data input terminal for microprocessor.
2)FGD when the high frequency gain focus servo | 2SIXRST_ {I [Resetinputterminal.Activelow.
is dropped. | 26/C.OUT | O [Signal outputto count the track numbers.
3/FS3 Focus servo high frequency gain changeover | 2TSENS | 9] This terminal outputs FZC,and SSTOP to
a scoring command fom te microprocessor
FLB Input terminal for the low frequency boost of |S 29|MIRR___| O |Mirrorcomparator output terminal,
pe Tectus servo aueney Boost of |_§ Oe SS
FEO
___|
O
|Focus
drive
outputterminal,
|S
STASY
|
T._
[Auto
asymmetry
control
input
terminal.
| «SFE- | I |Inversion input terminal of focus amplifier. | ~——Ss32]EFM__—_—«| O [EFMccomparatoroutputterminal.
| SRCH YT Time constant terminal to make the focus search [ 33/FOK_—s{ O [FocusOK comparator outputterminal. _—=s_—_i|
waveform.
|
34ICCr
tO
[Defect
bottom
hold
outputterminal.
PRU TT Tracking high frequency changeover input | 35}CC2_ | [Defect bottom hold input terminal from CCl. _—|
terminal. | 37/CB_ s|_T |Defect bottom hold capacitor connection terminal. |
|___1i|TAO | 0 [Tracking drive outputterminal. SSS (CP =| [Mirror hold capacitor connection terminal. _—_—|
| 2ITA- iT [Inversion input terminal of tracking amplifier, | SOIRFI_ | I (RF summing amplifier inputterminal. ss
|__13{SL+ | T_[No-inversion input terminal of sled amplifier. | 40|RFO _| O [RF summing amplifier output terminal. =i
|__14|SLO_| © [Sled drive outputterminal. ss SSS~=*«idC*S*C*C*~‘STZC~S~SC*”=ST- | Tracking zero-cross comparator input terminal. _|
|___IS|SL-___ fT [inversion input terminal of sled amplifier. | —43(TE _—'| 1 |Trackingerrorinputterminal.
a
focus tracking. when defect.
a ee
17|/ISET focus search,tarcking jump,and sled kick height detection.
is
decided.
|
46/FZC_
|
[Focos
zero-cross
comparator
input
terminal.
|
|
__I8|/SSTOP___|
1
[Inner
switch
selection
inputterminal.
|
_47(FE
__|_I
[Focus
error
input
terminal.
PTs
einai
used
when
wack
jump.
—__
{48
FDFCT
a
Capacitor
connection
terminal
for
time
constant
21)/LOCK
SF
ion
circui
when
defect.
Se

Onkyo DX-C120 Specifications

General

Brand	Onkyo
Model	DX-C120
Category	CD Player
Language	English