Sony MT-MZR70-165 MiniDisc Player User Manual


 
44
Pin No. Pin Name I/O Pin Description
1 TE O Tracking error signal output to the CXD2660GA (IC502)
2 REXT Connected to the external resistor for the ADIP amplifier control
3 WPPLPF Connected to the external capacitor for low-pass filter of the TPP/WPP
4 VREF11 O Reference voltage output terminal (+1.1 V)
5 C I Signal input from the optical pick-up detector (C)
6 D I Signal input from the optical pick-up detector (D)
7 D-C I Signal input from the optical pick-up detector (D) (AC input)
8 IY I I-V converted RF signal IY input from the optical pick-up block detector
9 IX I I-V converted RF signal IX input from the optical pick-up block detector
10 JX I I-V converted RF signal JX input from the optical pick-up block detector
11 JY I I-V converted RF signal JY input from the optical pick-up block detector
12 A I Signal input from the optical pick-up detector (A)
13 A-C I Signal input from the optical pick-up detector (A) (AC input)
14 B I Signal input from the optical pick-up detector (B)
15 TON-C Connected to the external capacitor for the TON hold
16 CIG Connected to the external capacitor for low-pass filter of the NPP divider denominator
17 CDN Connected to the external capacitor for low-pass filter of the CSL divider denominator
18 PD-NI I Light amount monitor input terminal (non-invert input)
19 PD-I I Light amount monitor input terminal (invert input)
20 PD-O O Light amount monitor output terminal
21 ADFG O ADIP duplex FM signal (22.05 kHz ± 1 kHz) output to the CXD2660GA (IC502)
22 DVDD Power supply terminal (+2.4 V) (digital system)
23 SBUS I/O Two-way SSB serial data bus 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 CXD2660GA (IC502)
27 DGND Ground terminal (digital system)
28 BOTM O Light amount signal (RF/ABCD) bottom hold output to the CXD2660GA (IC502)
29 PEAK O Light amount signal (RF/ABCD) peak hold output to the CXD2660GA (IC502)
30 VREF075 Connected to the external capacitor for the internal reference voltage
31 VC O Middle point voltage (+1.2 V) generation output terminal
32 CCSL2 Connected to the external capacitor for low-pass filter of the TPP/WPP
33 RF OUT O Playback EFM RF signal output to the CXD2660GA (IC502)
34 AGND Ground terminal (analog system)
35 EQ Connected to the external capacitor for the RF equalizer
36 LP Connected to the external capacitor for the RF equalizer
37 PS Connected to the external capacitor for the RF equalizer
38 OFC-2 Connected to the external capacitor for the RF AC coupling
39 OFC-1 Connected to the external capacitor for the RF AC coupling
40 AVCC Power supply terminal (+2.4 V) (analog system)
41 ABCD O Light amount signal (ABCD) output to the CXD2660GA (IC502)
42 FE O Focus error signal output to the CXD2660GA (IC502)
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 Not used
6-9. IC PIN DESCRIPTIONS
MAIN BOARD IC501 SN761056ADBT (RF AMP, FOCUS/TRACKING ERROR AMP)