Diagrams; Ic Pin Function Description - Sony MZ-R500PC Service Manual

MZ-R500/R500PC

6-1. IC PIN FUNCTION DESCRIPTION

• IC501 SN761057DBT (RF AMP, FOCUS/TRACKING ERROR AMP)
Pin No. Pin Name
1 TE
2 REXT
3 WPPLPF
4 VREF
5 C
6 D
7 D-C
8 IY
9 IX
10 JX
11 JY
12 A
13 A-C
14 B
15 TON-C
16 CIG
17 CDN
18 PD-I
19 PD-NI
20 PD-O
21 ADIP
22 DVDD
23 SBUS
24 SCK
25 XRST
26 OFTRK
27 DGND
28 BOTM
29 PEAK
30 VREF075
31 VC
32 CCSL2
33 RF OUT
34 AGND
35 – 37 EQ, LP, PS
38 AVCC
39, 40 OFC-2, OFC-1
41 ABCD
42 FE
43 S-MON
44 ADIP-IN
30
SECTION 6

DIAGRAMS

I/O
O Tracking error signal output to the system controller (IC801)
— Connect terminal to the external resistor for ADIP amp control
— Connect terminal to the external capacitor for TPP/WPP low-pass filter
O Reference voltage output terminal (+1 V)
I Signal (C) input from the optical pickup detector
I Signal (D) input from the optical pickup detector
I Signal (D) input from the optical pickup detector (AC input)
I I-V converted RF signal (IY) input from the optical pickup detector
I I-V converted RF signal (IX) input from the optical pickup detector
I I-V converted RF signal (JX) input from the optical pickup detector
I I-V converted RF signal (JY) input from the optical pickup detector
I Signal (A) input from the optical pickup detector
I Signal (A) input from the optical pickup detector (AC input)
I Signal (B) input from the optical pickup detector
— Connect terminal to the external capacitor for TON hold
Connect terminal to the external capacitor for the low-pass filter of NPP divider
—
denominator
Connect terminal to the external capacitor for the low-pass filter of CSL divider
—
denominator
I Light amount monitor input terminal (invert input)
I Light amount monitor input terminal (non-invert input)
O Light amount monitor output terminal
O ADIP duplex FM signal (22.05 kHz ± 1 kHz) output to the system controller (IC801)
— Power supply terminal (+2.3 V) (digital system)
I/O SSB serial data input/output with the system controller (IC801)
I SSB serial clock signal input from the system controller (IC801)
I Reset signal input from the system controller (IC801) "L": reset
I Off track signal input from the system controller (IC801)
— Ground terminal (digital system)
Bottom hold signal output of the light amount signal (RF/ABCD) to the system
O
controller (IC801)
Peak hold signal output of the light amount signal (RF/ABCD) to the system
O
controller (IC801)
— Connect terminal to the external capacitor for the internal reference voltage
O Middle point voltage (+1.2 V) generation output terminal
— Connect terminal to the external capacitor for TPP/WPP low-pass filter
O Playback EFM RF signal output to the system controller (IC801)
— Ground terminal (analog system)
— Connect terminal to the external capacitor for the RF equalizer
— Power supply terminal (analog system) (+2.3 V)
— Connect terminal to the external capacitor for RF AC coupling
O Light amount signal (ABCD) output to the system controller (IC801)
O Focus error signal output to the system controller (IC801)
O Servo signal monitor output to the system controller (IC801)
I ADIP duplex FM signal (22.05 kHz ± 1 kHz) input terminal
Description