SONY CFDW57L Repair Manual

SECTION 5
DIAGRAMS
5-1. IC PIN DESCRIPTION
Y IC801 CXP83120A-029Q (SYSTEM CONTROL)
Pin No.Pin NameI/OPin Description
1C-SCORICD SCOR input
2W/UPIWake-up input
3RMCISircs receiver input
4OPEN-OOCD loading motor control output (Eject direction)
5CLS-OOCD loading motor control output (Loading direction)
6OPEN-IICD open switch input
7CLS-IICD close switch input
8NNNot used.
9C-SENS1ICD SENSE-1 input
10C-SENS2ICD SENSE-2 input
11C-SQCKOCD Sub-Q read clock output
12C-SQSOICD Sub-Q data input
13NNNot used.
14C-XRSTOCD reset output
15C-XLATOCD serial latch output
16C-CLKOCD serial clock output
17C-DATAOCD serial data output
18R-STOStereo ingicator output
19R-DATAOTuner PLL data output
20R-CLKOTuner PLL clock output
21R-COUNTITuner PLL data input
22R-CEOTuner PLL chip enable output
23P.CONOSystem power control output
24V-DATAOVolume serial data output
25V-CLOCKOVolume serial clock output
26V-CEOVolume serial chip enable output
27REG-CHKILow voltage detection input
28BL-CONTOBack light control output
29RECITape record signal input
30INIOTuner select initial setting output
31SET 9k/10kITuner band 9k/10k select input
32VERSIONITuner destination band select input
33 � 36KEY-1 � 4IKey input
37SFT-CLKOShift clock output
38RESETISystem reset input
39EXTAL1IOscillation input (4.19 MHz)
40XTAL1OOscillation output (4.19 MHz)
41VSSNGND
42XTAL2NNot used.
43EXTAL2NNot used (Conected to GND).
44AVREFIA/D converter VREF input
45AVSSNAnalog GND
46VLOLCD drive port ON/OFF output
47 � 49VLC-3 � 1OLCD drive voltege terminal
50 � 53COM0 � 3OLCD drive common output
54 � 76SEG0 � 22OLCD drive segment output
77 � 80NNNot used.
81, 82NCNNot used.
83ROCK-LEDONot used.
84POP-LEDONot used.
85LIVE-LEDONot used.
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