Sony MZ-R700 MiniDisc Player User Manual


 
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MZ-G750/R700
SECTION 6
DIAGRAMS
6-1. IC PIN FUNCTION DESCRIPTION
IC501 SN761057DBT (RF AMP, FOCUS/TRACKING ERROR AMP)
Pin No. Pin Name I/O Description
1 TE O Tracking error signal output to the system controller (IC801)
2 REXT Connect terminal to the external resistor for ADIP amp control
3 WPPLPF Connect terminal to the external capacitor for TPP/WPP low-pass filter
4 VREF O Reference voltage output terminal (+1 V)
5 C I Signal (C) input from the optical pickup detector
6 D I Signal (D) input from the optical pickup detector
7 D-C I Signal (D) input from the optical pickup detector (AC input)
8 IY I I-V converted RF signal (IY) input from the optical pickup detector
9 IX I I-V converted RF signal (IX) input from the optical pickup detector
10 JX I I-V converted RF signal (JX) input from the optical pickup detector
11 JY I I-V converted RF signal (JY) input from the optical pickup detector
12 A I Signal (A) input from the optical pickup detector
13 A-C I Signal (A) input from the optical pickup detector (AC input)
14 B I Signal (B) input from the optical pickup detector
15 TON-C Connect terminal to the external capacitor for TON hold
16 CIG
Connect terminal to the external capacitor for the low-pass filter of NPP divider
denominator
17 CDN
Connect terminal to the external capacitor for the low-pass filter of CSL divider
denominator
18 PD-I I Light amount monitor input terminal (invert input)
19 PD-NI I Light amount monitor input terminal (non-invert input)
20 PD-O O Light amount monitor output terminal
21 ADIP O ADIP duplex FM signal (22.05 kHz ± 1 kHz) output to the system controller (IC801)
22 DVDD Power supply terminal (+2.3 V) (digital system)
23 SBUS I/O SSB serial data input/output with the system controller (IC801)
24 SCK I SSB serial clock signal input from the system controller (IC801)
25 XRST I Reset signal input from the system controller (IC801) L: reset
26 OFTRK I Off track signal input from the system controller (IC801)
27 DGND Ground terminal (digital system)
28 BOTM O
Bottom hold signal output of the light amount signal (RF/ABCD) to the system
controller (IC801)
29 PEAK O
Peak hold signal output of the light amount signal (RF/ABCD) to the system
controller (IC801)
30 VREF075 Connect terminal to the external capacitor for the internal reference voltage
31 VC O Middle point voltage (+1.2 V) generation output terminal
32 CCSL2 Connect terminal to the external capacitor for TPP/WPP low-pass filter
33 RF OUT O Playback EFM RF signal output to the system controller (IC801)
34 AGND Ground terminal (analog system)
35 37 EQ, LP, PS Connect terminal to the external capacitor for the RF equalizer
38 AVCC Power supply terminal (analog system) (+2.3 V)
39, 40 OFC-2, OFC-1 Connect terminal to the external capacitor for RF AC coupling
41 ABCD O Light amount signal (ABCD) output to the system controller (IC801)
42 FE O Focus error signal output to the system controller (IC801)
43 S-MON O Servo signal monitor output to the system controller (IC801)
44 ADIP-IN I ADIP duplex FM signal (22.05 kHz ± 1 kHz) input terminal