Sony HCD-MDX10 Service Manual - Page 76

IC PIN FUNCTIONS, IC101 RF Amplifier CXA2523AR BD MD board

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8-32. IC PIN FUNCTIONS • IC101 RF Amplifier (CXA2523AR) (BD (MD) board) Pin No. Pin Name I/O Function 1 I I I-V converted RF signal I input 2 J I I-V converted RF signal J input 3 4 to 9 VC A to F O Middle point voltage (+1.5V) generation output I Signal input from the optical pick-up detector 10 PD I Light amount monitor input 11 APC O Laser APC output 12 APCREF I Reference voltage input for setting laser power 13 GND - Ground 14 TEMPI I Temperature sensor connection 15 TEMPR 16 SWDT O Reference voltage output for the temperature sensor I Serial data input from the CXD2650R or CXD2652AR 17 SCLK 18 XLAT I Serial clock input from the CXD2650R or CXD2652AR I Latch signal input from the CXD2650R or CXD2652AR "L": Latch 19 XSTBY I Stand by signal input "L": Stand by 20 F0CNT Center frequency control voltage input of BPF22, BPF3T, EQ from the CXD2650R or I CXD2652AR 21 VREF O Reference voltage output (Not used) 22 EQADJ I/O Center frequency setting pin for the internal circuit EQ 23 3TADJ I/O Center frequency setting pin for the internal circuit BPF3T 24 Vcc - +3V power supply 25 WBLADJ I/O Center frequency setting pin for the internal circuit BPF22 26 TE O Tracking error signal output to the CXD2650R or CXD2652AR 27 CSLED - External capacitor connection pin for the sled error signal LPF 28 SE O Sled error signal output to the CXD2650R or CXD2652AR 29 ADFM O FM signal output of ADIP 30 ADIN 31 ADAGC I ADIP signal comparator input ADFM is connected with AC coupling - External capacitor connection pin for AGC of ADIP 32 ADFG O ADIP duplex signal output to the CXD2650R or CXD2652AR 33 AUX I3 signal/temperature signal output to the CXD2650R or CXD2652AR O (Switching with a serial command) 34 FE 35 ABCD O Focus error signal output to the CXD2650R or CXD2652AR O Light amount signal output to the CXD2650R or CXD2652AR 36 BOTM 37 PEAK O RF/ABCD bottom hold signal output to the CXD2650R or CXD2652AR O RF/ABCD peak hold signal output to the CXD2650R or CXD2652AR 38 RF O RF equalizer output to the CXD2650R or CXD2652AR 39 RFAGC - External capacitor connection pin for the RF AGC circuit 40 AGCI I Input to the RF AGC circuit The RF amplifier output is input with AC coupling 41 COMPO O User comparator output (Not used) 42 COMPP I User comparator input (Fixed at "L") 43 ADDC I/O External capacitor pin for cutting the low band of the ADIP amplifier 44 OPO O User operation amplifier output (Not used) 45 OPN 46 RFO I User operation amplifier inversion input (Fixed at "L") O RF amplifier output 47 MORFI I Groove RF signal is input with AC coupling 48 MORFO O Groove RF signal output • Abbreviation APC: Auto Power Control AGC: Auto Gain Control - 112 -

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– 112 –
8-32. IC PIN FUNCTIONS
•
IC101 RF Amplifier (CXA2523AR) (BD (MD) board)
Pin No.
Pin Name
I/O
Function
I
J
VC
A to F
PD
APC
APCREF
GND
TEMPI
TEMPR
SWDT
SCLK
XLAT
XSTBY
F0CNT
VREF
EQADJ
3TADJ
Vcc
WBLADJ
TE
CSLED
SE
ADFM
ADIN
ADAGC
ADFG
AUX
FE
ABCD
BOTM
PEAK
RF
RFAGC
AGCI
COMPO
COMPP
ADDC
OPO
OPN
RFO
MORFI
MORFO
I
I
O
I
I
O
I
—
I
O
I
I
I
I
I
O
I/O
I/O
—
I/O
O
—
O
O
I
—
O
O
O
O
O
O
O
—
I
O
I
I/O
O
I
O
I
O
I-V converted RF signal I input
I-V converted RF signal J input
Middle point voltage (+1.5V) generation output
Signal input from the optical pick-up detector
Light amount monitor input
Laser APC output
Reference voltage input for setting laser power
Ground
Temperature sensor connection
Reference voltage output for the temperature sensor
Serial data input from the CXD2650R or CXD2652AR
Serial clock input from the CXD2650R or CXD2652AR
Latch signal input from the CXD2650R or CXD2652AR
“L”: Latch
Stand by signal input
“L”: Stand by
Center frequency control voltage input of BPF22, BPF3T, EQ from the CXD2650R or
CXD2652AR
Reference voltage output (Not used)
Center frequency setting pin for the internal circuit EQ
Center frequency setting pin for the internal circuit BPF3T
+3V power supply
Center frequency setting pin for the internal circuit BPF22
Tracking error signal output to the CXD2650R or CXD2652AR
External capacitor connection pin for the sled error signal LPF
Sled error signal output to the CXD2650R or CXD2652AR
FM signal output of ADIP
ADIP signal comparator input
ADFM is connected with AC coupling
External capacitor connection pin for AGC of ADIP
ADIP duplex signal output to the CXD2650R or CXD2652AR
I
3
signal/temperature signal output to the CXD2650R or CXD2652AR
(Switching with a serial command)
Focus error signal output to the CXD2650R or CXD2652AR
Light amount signal output to the CXD2650R or CXD2652AR
RF/ABCD bottom hold signal output to the CXD2650R or CXD2652AR
RF/ABCD peak hold signal output to the CXD2650R or CXD2652AR
RF equalizer output to the CXD2650R or CXD2652AR
External capacitor connection pin for the RF AGC circuit
Input to the RF AGC circuit
The RF amplifier output is input with AC coupling
User comparator output (Not used)
User comparator input (Fixed at “L”)
External capacitor pin for cutting the low band of the ADIP amplifier
User operation amplifier output (Not used)
User operation amplifier inversion input (Fixed at “L”)
RF amplifier output
Groove RF signal is input with AC coupling
Groove RF signal output
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• Abbreviation
APC: Auto Power Control
AGC: Auto Gain Control