Diagrams; Ic Pin Descriptions - Sony MDS-JB980 Service Manual

6-1. IC PIN DESCRIPTIONS

• IC101 CXA2523AR (RF AMP/FOCUS, TRACKING ERROR AMP) (BD BOARD)
Pin No. Pin Name
1 I
2 J
3 VC
4 to 9 A to F
10 PD
11 APC
12 APCREF
13 GND
14 TEMPI
15 TEMPR
16 SWDT
17 SCLK
18 XLAT
19 XSTBY
20 F0CNT
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
• Abbreviation
APC: Auto Power Control
AGC: Auto Gain Control
SECTION 6

DIAGRAMS

I/O
I
I-V converted RF signal I input
I
I-V converted RF signal J input
O
Middle point voltage generation output
I
Signal input from the optical pick-up detector
I
Light amount monitor signal input
O
Laser APC signal output
I
Reference voltage input for setting laser power
—
Ground
I
Temperature sensor connection
O
Reference voltage output for the temperature sensor
I
Serial data signal input from the CXD2664R (IC201)
I
Serial clock signal input from the CXD2664R (IC201)
I
Latch signal input from the CXD2664R (IC201) "L": Latch
I
Stand by signal input (Fixed at "H".)
I
Center frequency control voltage input of BPF22, BPF3T, EQ from the CXD2664R (IC201)
O
Reference voltage output (Not used in this set.)
I
Center frequency setting pin for the internal circuit EQ
I
Center frequency setting pin for the internal circuit BPF3T
—
Power supply pin (+3.3 V)
I Center frequency setting pin for the internal circuit BPF22
O
Tracking error signal output to the CXD2664R (IC201)
—
External capacitor connection pin for the sled error signal LPF
O
Sled error signal output to the CXD2664R (IC201)
O
FM signal output of ADIP
I
ADIP signal comparator input ADFM is connected with AC coupling
—
External capacitor connection pin for AGC of ADIP
O
ADIP duplex signal output to the CXD2664R (IC201)
O
I signal/temperature signal output to the CXD2664R (IC201)
3
O
Focus error signal output to the CXD2664R (IC201)
O Light amount signal output to the CXD2664R (IC201)
O
RF/ABCD bottom hold signal output to the CXD2664R (IC201)
O
RF/ABCD peak hold signal output to the CXD2664R (IC201)
O RF equalizer signal output to the CXD2664R (IC201)
—
External capacitor connection pin for the RF AGC circuit
I
The RF amplifier output is input with AC coupling
O
User comparator output (Not used in this set.)
I
User comparator input (Fixed at "L".)
— External capacitor pin for cutting the low band of the ADIP amplifier
O
User operation amplifier output (Not used in this set.)
I
User operation amplifier inversion input (Fixed at "L".)
O RF amplifier signal output
I
Groove RF signal is input with AC coupling
O
Groove RF signal output
Description
MDS-JB980
33