Read Sony CDX-C560RDS Service Manual online
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4-1. IC PIN DESCRIPTIONS
• IC4 MN1883220Y5C (TUNER SYSTEM CONTROL)
• IC4 MN1883220Y5C (TUNER SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Pin Description
1 – 6
—
—
Not used.
7
VDD
—
Power supply pin
8
OSCIN
I
Ceramic oscillator connection input pin (8 MHz)
9
OSCOUT
O
Ceramic oscillator connection output pin (8 MHz)
10
GND
—
GND
11
XT IN
I
Connect to GND.
12
XT OUT
O
Not used.
13
EX2
—
Connect to GND.
14
RESET
I
Reset input pin
15
RDSCKI
I
RDS clock input pin
16
BUIN
I
Back-up detection input pin
17
BUS ON
I
Bus interface bus on input pin
18 – 29
—
—
Not used.
30
RDSSI
I
RDS data input pin
31
NIL1
I
Fixed at “L”.
32
AM STIN
I/O
AM STEREO indicator input/output pin
33 – 35
—
—
Not used.
36, 37
NIL2, 3
I
Connect to GND.
38
SI
I
PLL data input pin
39
SO
O
PLL data output pin
40
CKO
O
PLL clock output pin
41
CE
O
PLL chip enable output pin
42
UNIREQ
O
Bus interface request output pin
43
LINK OFF
O
Bus interface link output pin
44
UNICKI
I
Bus interface serial clock-in input pin
45
UNISI
I
Bus interface serial data-in input pin
46
UNISO
I/O
Bus interface serial data-out input/output pin
47
VDD
—
Power supply pin
48
AVDD
—
Power supply pin for A/D conversion input.
49
AVREF
—
Reference voltage input pin for A/D conversion input. (+ side)
50, 51
NIL4, 5
I
Fixed at “L”.
52
RAMBU
I
RAM reset detection input pin
53
MUTSEL
I
Mute operation select pin
54, 55
DSTSEL1, 0
I
Destination select setting pin
56
AM VSM
I
AM S-meter voltage detection input pin
57
FM VSM
I
FM S-meter voltage detection input pin
58
AVREF
—
Reference voltage input pin for A/D conversion input. (- side)
59
AVSS
—
GND for A/D conversion input.
60
GND
—
GND
61
TU ON
O
TUNER-ON output pin
62
DX/LO
O
DX/LOCAL output pin (Fixed at “L”: DX)
63
SEKOUT
O
SEEK OUT output pin
64
AM ON
O
AM-ON output pin
65
FM ON
O
FM-ON output pin
66
TUNER-MUTE
O
MUTE output pin
67
AF-SEEK
I
Not used.
SECTION 4
DIAGRAMS
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