Sony CDX-C90R Service Manual ▷ View online
– 21 –
Pin No.
Pin Name
I/O
Pin Description
107
ROUT2
O
R-ch, LINE output. (Not used.)
108
AIN2
I
R-ch, OP amplifier input. (Not used.)
109
AOUT2
O
R-ch, Analog output. (Not used.)
110
AVDD2
—
R-ch, Analog power supply.
111
AVSS2
—
R-ch, Analog GND.
112
VSS0
—
Digital GND
– 22 –
• IC300 MB90F574PFV-G-140-BND (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Pin Description
1
TIR WR
O
TIR IC data write output
2
TIR RD
O
TIR IC data read output
3
TIR CE
O
TIR IC data chip enable output
4
TIR CE
O
XTIR IC data chip enable output
5
TIR BUSY
I
TIR IC busy input
6
TIR PDOWN
O
TIR IC power down output
7
DIVER
O
FM diversity ON/OFF output (Not used in this set.)
8
VCC
—
Power supply pin (+5 V)
9
AF SEEK
O
AF SEEK output
10
WIDE
O
WIDE/NARROW select output
11
CAUTION
I
Caution alarm setting (Fixed at “H” in this set.)
12
NOSE SW
I
Nose detection input
13
COLOR
O
Color control output (“H”:green, “L”:amber)
14
BUSON
O
Bus ON control output
15
BEEP
O
BEEP output
16
TIR RES
O
TIR IC reset (Power down) output
17
DF LAT
O
Digital filter latch output
18
DF SO
O
Digital filter serial data output
19
DF CKO
O
Digital filter clock output
20
UNISI
I
Serial data input (for SONY BUS)
21
UNISO
O
Serial data output (for SONY BUS)
22
UNICK
O
Serial clock output (for SONY BUS)
23
NCO
—
Not used.
24
SIRCS
I
Remote commander input
25
PLLSI
I
PLL data input
26
PLLSO
O
PLL data output
27
PLLCKO
O
PLL clock output
28
PLL CE
O
PLL chip enable output
29
P MOT+
O
Front panel motor control (+) output
30
P MOT–
O
Front panel motor control (–) output
31
I DET
I
Panel motor lock detection input
32
POS0
I
Position detection input 0 (Open end)
33
GND
—
GND
34
C
—
Power stabilization capacitor pin
35
POS1
I
Position detection input 1 (Close end)
36
POS2
I
Position detection input 2 (10 DEG.)
37
POS3
I
Position detection input 3 (20 DEG.)
38
DVCC
—
D/A converter VREF input
39
DVSS
—
GND of D/A converter.
40
MOTREF
O
Motor reference voltage output
41
LCDANG
O
LCD view angle adjustment analog output
42
AVCC
—
Analog power supply pin (+5 V)
43
AVRH
—
A/D converter VREF+ input
44
AVRL
—
A/D converter VREF– input
45
AVSS
—
Analog GND
46
DSTSEL0
I
Destination select input 0 (Fixed at “H” in this set.)
47
H TEMP
I
High templature detection analog input (Fixed at “H” in this set.)
48
L TEMP
I
Low templature detection analog input (Fixed at “H” in this set.)
49
MPT
I
Tuner multi-pass input
50
VSM
I
S-Meter voltage detection input
51
RC IN0
I
Rotary commander input 0
52, 53
KEYIN0, 1
I
Key input 0, 1
– 23 –
Pin No.
Pin Name
I/O
Pin Description
54
VCC
—
Power supply pin (+5 V)
55
RAMBU
I
RAM reset detection input
56
TESTIN
I
Test mode setting detection input
57
AD ON
O
Power control output of A/D conversion.
58, 59
RE IN0, 1
I
Rotary encoder input 0, 1
60
BOOT
I
Compulsory boot mode input
61
DIMMER
O
Dimmer control output
62
TIR IND
O
TIR indicator control output
63
GND
—
GND
64
SYSRST
O
System reset output
65, 66
NCO
—
Not used.
67
EEDATA
I/O
EEPROM serial data input/output
68
EECLK
O
EEPROM serial clock output
69
NCO
—
Not used.
70
RDSSI
I
RDS serial clock input
71
RDSCKO
I
RDS serial data input
72
DAVN
I
RDS IC data taking in detection input
73
X0A
—
Low speed oscillation input (32.768 kHz)
74
X0B
—
Low speed oscillation input (32.768 kHz)
75
RC IN1
I
Rotary commander input
76
BU IN
I
Back-up power detection input
77
KEY ACK
I
Key input acknowledge
78
ILLIN
I
Illumination line detection input
79
TEL ATT
I
Telephone mute detection input
80
NCO
—
Not used.
81
ACC IN
I
Accessory power detection input
82
EMPH I
I
Emphasis input
83
FP CLOSE
I
Front panel close detection input
84
FP OPEN
O
Front panel open control output
85
BOOT DP
O
Display controller boot mode control output
86
HSTX
—
Connect to power supply pin.
87
MD2
—
Connect to GND.
88, 89
MD0, 1
—
Connect to power supply pin.
90
RESET
I
Microcomputer reset input
91
VSS
—
GND
92
X0
—
High speed oscillation input (3.68 MHz)
93
X1
—
High speed oscillation input (3.68 MHz)
94
VCC
—
Power supply pin (+5 V)
95
TIMPOL
O
Time poling setting (Fixed at “H” in this set.)
96
PW ON
O
System power control output
97
ILL ON
O
Illumination power control output
98
DIRECT
O
Direct volume control output
99
ATT
O
System mute control output
100
ANTREM
O
Antenna remote control output
101
VOLCE0
O
Input selector/tone/sub volume serial chip enable output
102
VOLCE1
O
Electric volume serial chip enable output (L-CH)
103
VOLCE2
O
Electric volume serial chip enable output (R-CH)
104
VOLCKO
O
Volume serial clock output
105
VOLSO
O
Volume serial data output
106
ENC+
I
Rotary commander and encoder input (+)
107
ENC–
I
Rotary commander and encoder input (–)
108
FM ON
O
FM ON control output
109
AM ON
O
AM ON control output
– 24 –
Pin No.
Pin Name
I/O
Pin Description
110
SEEKOUT
O
SEEK OUT output
111
AM STIN
I
AM stereo input (Not used in this set.)
112
FM STIN
I/O
Used in conjunction with stereo input/monaural output (FM mode)
113
SD IN
I
Signal detector input
114
TU ATT
O
Tuner mute output
115
TIR D0
I/O
TIR IC data 0 input/output
116
TIR D1
I/O
TIR IC data 1 input/output
117
TIR D2
I/O
TIR IC data 2 input/output
118
TIR D3
I/O
TIR IC data 3 input/output
119
VSS
—
GND
120
TIRPLAY
O
TIR IC play mode audio select control output
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