Diagrams; Ic Pin Descriptions - Sony CDX-R3000 Service Manual

CDX-R3000/R3000T

3-1. IC PIN DESCRIPTIONS

• IC1 µPD63712GC-8EU-A (RF AMP, DIGITAL SERVO, DIGITAL SIGNAL PROCESSOR) (SERVO BOARD)
Pin No. Pin Name
1 LD
2 PD
3 PN
4 AVDD
5 DGND
6 RFOK
7 INTQ
8 RST
9 A0
10 STB
11 SCK
12 SO
13 SI
14 DVDD
15 DAVDD
16 ROUT
17 DAGND
18 REGC
19 DAGND
20 LOUT
21 DAVDD
22 XVDD
23 XTAL
24 XTAL
25 XGND
26 DVDD
27 C1D1/FZD
28 C1D2/TZD
29 C2D1/RMUTE
30 C2D2/LMUTE
31 C2D3/SHOCK/SBSY
32 LOCK/FR
33 WFCK/MIRR
34 RFCK/HOLD
35 PLCK
36 C16M
37 DGND
38 TX
39 EMPH/RAMOVER
40 FLAG
41 DVDD
42 LIMIT
43 XTALEN
44 DGND
45 DIN
46 DOUT
47 SCKIN
48 SCKO
49 LRCKIN
14
SECTION 3

DIAGRAMS

I/O
O Laser diode ON/OFF control signal output (L: laser OFF, H: laser ON)
I Dimmer monitor input from optical pick-up laser diode.
I Not used. (Fixed at L in this set)
— Analog power supply pin (+3.3 V)
— Ground
O RFOK signal output to system control IC.
O CD text pack synchronization signal output to system control IC.
I CD reset signal input from system control IC.
Command/parameter discrimination signal input from system control IC.
I
(L: command transmission, H: parameter transmission)
I Data strobe signal input from system control IC.
I Serial clock input from system control IC.
O Serial data output to system control IC.
I Serial data input from system control IC.
— Power supply pin (+3.3 V)
— D/A converter power supply (+) pin (+3.3 V)
O Analog audio signal output (R-ch)
— Ground
— Capacitor connection pin for SCF regulator.
— Ground
O Analog audio signal output (L-ch)
— D/A converter power supply (+) pin (+3.3 V)
— Power supply pin (+3.3 V)
O Main system clock output (16.9344 MHz)
I Main system clock input (16.9344 MHz)
— Ground
— Power supply pin (+3.3 V)
O Not used. (Open)
O Not used. (Open)
O CD R-ch data zero detection signal output
O CD L-ch data zero detection signal output
O Not used. (Open)
O Not used. (Open)
O Not used. (Open)
O Not used. (Open)
O Not used. (Open)
O Not used. (Open)
— Ground
O Not used. (Open)
O Not used. (Open)
O Not used. (Open)
— Power supply pin (+3.3 V)
I Not used. (Fixed at L in this set)
Oscillation circuit ON/OFF control signal input (L: ON, H: OFF)
I
(Fixed at L in this set)
— Ground
I Not used. (Connect to DOUT in this set)
O Not used. (Connect to DIN in this set)
I Not used. (Connect to SCKO in this set)
O Not used. (Connect to SCKIN in this set)
I Not used. (Connect to LRCK in this set)
Pin Description