Diagrams; Explanation Of Ic Terminals - Sony CFD-V3 Service Manual

6-1. EXPLANATION OF IC TERMINALS

IC801 PD789316GK-903 SIGNAL PROCESSOR, D/A CONVERTER, LCD DRIVE, SYSTEM CONTROL
Pin No. Pin name
1 – 4 NC
5 IC
6 XT1
7 XT2
8 VDD
9 VSS
10 CL1
11 CL2
12 RESET
13 NC
14 SYNC–R
15 CE
16 C–RST
17 CAPH
18 CAPL
19 – 21 VLC0 – 2
22 – 25 COM0 – 3
26 – 43 S0 – 17
44 – 48 S18 – 22
49 S23
50 ENTER
51 MODE
52 PLAY
53 FR
54 FF
55 STOP
56 DOOR
57 WRQ
58 TEST
59 MUTE
60 FSEQ
61 DRF
62 DO
63 DIN
64 CLK
SECTION 6

DIAGRAMS

I/O
— Not used (open)
— Connect to ground.
I Connect to ground.
— Not used (open)
— Power supply terminal (B+ 3.3 V)
— Ground terminal
I Oscillator terminal (4 MHz)
— Oscillator terminal (4 MHz)
I Reset signal input
— Not used (open)
— Not used (open)
O Chip enable signal output
O Reset signal output to the LC78645E (IC701)
— Charge pump capacitor terminal
— Charge pump capacitor terminal
— Capacitor connect terminal
O LCD common drive output
— Not used (open)
O LCD segment drive output
— Not used (open)
I Key (ENTER) input
I Key (MODE) input
I Key (H PLAY) input
I Key (l FR) input
I Key (L FF) input
I Key (s STOP) input
I Door open/close input
I Command signal input
I Test mode signal terminal input (TEST: L)
O Mute signal output
I Frame SYNC signal input
I DRF (Defect RF) input
O Serial data output
I Serial data input
I Clock signal input
CFD-V3/V7/V7L
Description
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