Diagrams; Explanation Of Ic Terminals - Sony ZS-M50 Service Manual

6-1. EXPLANATION OF IC TERMINALS

BD BOARD IC101 MD SECTION RF AMPLIFIER (CXA2523R)
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
APC : Auto Power Control
AGC : Auto Gain Control
SECTION 6

DIAGRAMS

I/O
I Input of RF signal l converted from I to V
I Input of RF signal J converted from I to V.
O Midpoint voltage (+1.5V) generation output.
I Signal inputs from optical pickup detector.
I Light volume monitor input.
O Laser APC output.
I Reference voltage input for laser power setting.
– Ground.
I Temperature sensor connection terminal.
O Reference voltage output for temperature sensor.
I Serial data input from CXD2652AR.
I Serial clock input from CXD2652AR.
I Latch signal input from CXD2652AR. "L": Latch
I Standby signal input. "L": Standby
Center frequency control voltage input of internal circuits BFF22, BPF3T and EQ from
I
CXD2652AR.
O Reference voltage output (not used).
I/O Pin for center frequency setting of internal circuit EQ.
I/O Pin for center frequency setting of internal circuit BPF3T.
– Power supply (+3V).
I/O Pin for center frequency setting of internal circuit BPF22.
O Tracking error signal output to CXD2652AR.
– External condenser connector pin for thread error signal LPF.
O Thread error signal output to CXD2652AR.
O ADIP FM signal output.
I ADIP signal comparator input ADFM connection by coupling with AC.
– External condenser connector pin for AGC of ADIP.
O ADIP duplex signal output to CXD2652AR.
O I3 signal/temperature signal output (switched by serial command) to CXD2652AR.
O Focus error signal output to CXD2652AR.
O Light volume signal output to CXD2652AR.
O RF/ABCD bottom hold signal output to CXD2652AR.
O RF/ABCD peak hold signal output to CXD2652AR.
O RF equalizer output to CXD2652AR.
– RF AGC circuit external condenser connector pin.
I Input RF amplifier output is input to RF AGC circuit by coupling with AC.
O User comparator output (not used).
I User comparator input (Fixed at "L").
I/O Low-pass cutoff external capacitor terminal of ADIP amplifier.
O User op amplifier output (not used).
I User op amplefier inverted input (Fixed at "L").
O RF amplifier output.
I Group RF signal input by coupling with AC.
O Group RF signal output.
– 28 –
Description