Read Sony CDX-1150 Service Manual online
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Pin No.
Pin Name
I/O
Pin Description
52
PLLCKO
O
PLL clock output
53
PLLSI
I
PLL data input
54
AMON
O
AM ON output
55
—
—
Not used in this set.
56
FMST
I/O
ST-IND indication input/Forced Monaural output
57
SW4
I
Switch 4 input (“L” active)
58
SW3
I
Switch 3 input (“L” active)
59
SW1
I
Switch 1 input (“L” active)
60
RESET
I
System reset input
61
SIRCS
I
Not used in this set.
62
KEYACK
I
Key input acknowledge
63
BUIN
I
Backup power supply detection input
64
BLKCK
I
Sub code • block • clock signal input (interruption)
65
SW2
I
Switch 2 input (“L” active)
66
FCLK
I
Latch input for error correction result read-in. (interruption)
67
VSS0
—
Ground
68
VDD1
—
Power supply pin (+5 V)
69
X2
—
Main system clock output (5 MHz)
70
X1
—
Main system clock input (5 MHz)
71
VPP
—
Internal connection
72
XT2
—
Sub system clock output (32.768 kHz)
73
XT1
—
Sub system clock input (32.768 kHz)
74
VDD0
—
Power supply pin (+5 V)
75
AVREF0
—
Analog reference voltage input
76
KEYIN0
I
Key input 0
77
KEYIN1
I
Key input 1
78
S-METER
I
AM/FM S-meter voltage detection input
79
SD-IN
I
Signal detector input
80
LCDINH
O
LCD blank indication control output
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