Diagrams; Ic Pin Descriptions - Sony MDX-62 Service Manual

4-1. IC PIN DESCRIPTIONS

• IC100 CXA2523AR (RF AMP)
Pin No. Pin Name
1 I
2 J
3 VC
4 – 9 A – F
10 PD
11 APC
12 APCREF
13 GND
14 TEMPI
15 TEMPR
16 SWDT
17 SCLK
18 XLAT
19 XSTBY
20 FOCNT
21 VREF
22 EQADJ
23 3TADJ
24 VCC
25 WBLADJ
26 TE
27 CSLED
28 SE
29 ADFM
30 ADIN
31 ADAGC
32 ADFG
33 AUX
34 FE
35 ABCD
36 BOTM
37 PEAK
38 RF
39 RFAGC
40 AGCI
41 COMPO
42 COMPP
43 ADDC
44 OPO
45 OPN
46 RFO
47 MORFI
48 MORFO
SECTION 4

DIAGRAMS

I/O
I I-V converted RF signal input (I) from detector of optical pick-up.
I I-V converted RF signal input (J) from detector of optical pick-up.
O Center voltage (+1.65 V) generation output
I Signal input (A to F) from detector of optical pick-up.
I Quantity monitor input of light from laser diode of optical pick-up.
O Laser amplifier output to automatic power control circuit.
I Reference voltage input for laser power setting.
— GND
I Temperature sensor connecting pin (Not used in this set.)
O Reference voltage output for temperature sensor. (Not used in this set.)
I Write data signal input from System controller (IC600).
I Serial clock signal input from System controller (IC600).
I Serial latch signal input from System controller (IC600).
I Standby signal input ("L" : Standby) (Fixed at "H" in this set.)
I Center frequency control voltage input of internal circuit filter (BPF22, BPF3T and EQ).
O Reference voltage output (Not used in this set.)
I Center frequency setting input of internal circuit filter (EQ).
I Center frequency setting input of internal circuit filter (BPF3T).
— Power supply pin (+3.3 V)
I Center frequency setting input of internal circuit filter (BPF22).
O Tracking error signal output to CXD2652AR (IC200).
I Connecting pin for low pass filter condenser of sled error signal.
O Sled error signal output to CXD2652AR (IC200).
O FM signal output of ADIP.
I FM signal input of ADIP by AC combination.
I External condenser connecting pin for AGC of ADIP.
ADIP double FM signal output (22.05 kHz ± 1 kHz) to CXD2652AR (IC200).
O
O Support signal (I3 signal/temperature signal) output (Not used in this set.)
O Focus error signal output to CXD2652AR (IC200).
O Quantity signal output of light to CXD2652AR (IC200).
O Bottom hold signal output of quantity signal (RF/ABCD) of light to CXD2652AR (IC200).
O Peak hold signal output of quantity signal (RF/ABCD) of light to CXD2652AR (IC200).
O Playback EFM RF signal output to CXD2652AR (IC200).
I External condenser connecting pin of AGC circuit for RF.
I RF signal input by AC combination.
O User comparator output pin (Not used in this set.)
I User comparator input pin (Fixed at "L" in this set.)
I External condenser connecting pin for low frequency interception of ADIP amplifier.
O External condenser connect pin for lower cut of ADIP amplifier.
I User operational amplifier inversion input pin (Fixed at "L" in this set.)
O RF signal output
I RF signal input of MO by AC combination.
O RF signal output of MO.
– 13 –
Pin Description