Sony PMC-107, Руководство по обслуживанию

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5-1. IC PIN DESCRIPTION
• IC801 CXP50716-082Q (SYSTEM CONTROL/LCD DRIVE)
Pin No. Pin Name I/O Pin Description
1 – 19 SEG0 – 18 O LCD drive segment output
20 – 23 COM0 – 3 O LCD drive common output
24 – 26 VLC-3 – 1 O LCD drive voltage terminal
27 VL O LCD drive port ON/OFF output
28 RMC I Sircs receiver input
29 C-SCOR I CD SCOR input
30 TX O Oscillation output (32.768 kHz)
31 TXE I Oscillation input (32.768 kHz)
32 RST I System reset input
33 N.C. — Not used.
34 VDD — Power supply pin (+5 V)
35 – 38 KEY1 – 4 I Key input
39 INIT O Tuner select initial setting output
40 VER I Tuner destination band select input
41 9K/10K I Tuner band 9k/10k select input
42 REG-CHK I Voltage detection input
43 N.C. — Not used.
44 C-SQCK O CD Sub-Q read clock output
45 C-SENS I CD SENSE input
46 C-SQSO I CD Sub-Q data input
47 A-MUTE O Audio mute output
48 V-DATA O Volume serial data output
49 V-CLK O Volume serial clock output
50 V-CE O Volume serial chip enable output
51 REG-CON O Regulator control output
52 TAPE O Tape control output
53 RADIO O Radio control output
54 CD O CD control output
55 REC I Tape record signal input
56 CD-DOOR I CD door detection input
57 R-COUNT I Tuner PLL data input
58 R-ST O Stereo indicator output
59 C-MUTE O CD mute output
60 PA-CON O Power-amplifier control output
61 WP I Wake-up input
62 T-PLAY I Tape play switch input
63 C-XRST O CD reset output
64 C-DATA O CD serial data output
65 C-CLK O CD serial clock output
66 C-XLAT O CD serial latch output
67 R-MUTE O Tuner mute output
68 R-DATA O Tuner PLL data output
69 R-CLK O Tuner PLL clock output
70 R-CE O Tuner PLL chip enable output
71 VSS — GND
72 XTAL O Oscillation output (4.19 MHz)
73 N.C. — Not used.
74 EXTAL I Oscillation input (4.19 MHz)
SECTION 5
DIAGRAMS