Sony CDX-1150 Service Manual page 12

Pin No. Pin Name
52 PLLCKO
53 PLLSI
54 AMON
55 —
56 FMST
57 SW4
58 SW3
59 SW1
60 RESET
61 SIRCS
62 KEYACK
63 BUIN
64 BLKCK
65 SW2
66 FCLK
67 VSS0
68 VDD1
69 X2
70 X1
71 VPP
72 XT2
73 XT1
74 VDD0
75 AVREF0
76 KEYIN0
77 KEYIN1
78 S-METER
79 SD-IN
80 LCDINH
I/O
O PLL clock output
I PLL data input
O AM ON output
— Not used in this set.
I/O ST-IND indication input/Forced Monaural output
I Switch 4 input ("L" active)
I Switch 3 input ("L" active)
I Switch 1 input ("L" active)
I System reset input
I Not used in this set.
I Key input acknowledge
I Backup power supply detection input
I Sub code • block • clock signal input (interruption)
I Switch 2 input ("L" active)
I Latch input for error correction result read-in. (interruption)
— Ground
— Power supply pin (+5 V)
— Main system clock output (5 MHz)
— Main system clock input (5 MHz)
— Internal connection
— Sub system clock output (32.768 kHz)
— Sub system clock input (32.768 kHz)
— Power supply pin (+5 V)
— Analog reference voltage input
I Key input 0
I Key input 1
I AM/FM S-meter voltage detection input
I Signal detector input
O LCD blank indication control output
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Pin Description