Sony CDX-C860 / CDX-C860RDS Service Manual ▷ View online
– 33 –
• IC505 µPD78058GC-452-3B9 (DSP SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Pin Description
1, 2
NIL
I
Connect to GND.
3
TIR IND
O
TIR indicator output
4
GND
—
GND for A/D conversion.
5
DSPMUTE
O
Audio data output mute control of DSP IC.
6
LCD ANGL
O
Output for LCD view angle adjustment. (Connect to GND.)
7
AVREF
—
Reference voltage for D/A conversion.
8
LCDCE
O
LCD serial chip enable output
9
LCDSO
O
LCD serial data output
10
LCDCKO
O
LCD serial clock output
11
DSPSI
I
DSP serial data input
12
DSPSO
O
DSP serial data output
13
DSPCKO
O
DSP serial clock output
14
DSPCE
O
DSP signal process IC strobe control signal output
15
DSPBUSY
I
DSP signal process IC busy signal input
16
UNISI
I
Serial data input
17
UNISO
O
Serial data output
18
UNICKI
I
Serial clock input
19
NCO
O
Not used.
20
LINKOFF
O
Link off output (Not used.)
21
BST
O
Built-in amplifier boost control output
22 – 25
NCO
—
Not used.
26
C PDN
O
Codec IC power down output
27
C CLK
O
Codec IC clock output
28
C CE
O
Codec IC chip enable output
29
C SO
O
Codec IC serial data output
30
C SI
I
Codec IC serial clock input
31
ILLON
O
Illumination power control output
32
NIL
I
Connect to GND.
33
VSS
—
GND for microcomputer.
34 – 39
NIL
I
Connect to GND.
40
A MUTE
O
Audio mute control output
41
AMPMUTE
O
Power amplifier mute control output
42, 43
NIL
I
Connect to GND.
44
EECKO
O
EEPROM clock output
45
EESIO
I/O
EEPROM serial data input/output
46 – 54
NIL
I
Connect to GND.
55
AMP REM
O
AMP REM control output
56
LCD ON
O
LCD power control output
57
AMPON
O
COM + 8 V power control output
58
DSPON
O
P.ON + 5 V power control output
59
PWONIN
I
System power control input
60
RESET
I
Reset input
61
PCPIN
I
PLL phase comparator error detection input
62
BU.IN
I
Back-up power detection input
63
NIL
I
Connect to GND.
64
BUSON
I
BUS.ON control output
– 34 –
Pin No.
Pin Name
I/O
Pin Description
65
CDON IN
I
CD ON input
66
DSPRES
O
DSP signal process IC reset output
67
NIL
I
Connect to GND.
68
VDD
—
Power supply for microcomputer.
69
X2
O
Main crystal oscillator output pin (5 MHz)
70
X1
I
Main crystal oscillator input pin (5 MHz)
71
GND
—
GND for microcomputer.
72
NIL
I
Connect to GND.
73
GND
—
GND for microcomputer.
74
AVDD
—
Power supply for A/D conversion.
75
AVREF
—
Reference power supply for A/D conversion.
76 – 80
NIL
I
Connect to GND.
– 35 –
• IC601 MN1883220Y5A (CDX-C860) (TUNER SYSTEM CONTROL)
IC601 MN1883220Y5E (CDX-C860RDS) (TUNER SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Pin Description
1
A5
O
TIR-IC data read pulse output pin (C860RDS)
2
A4
I
TIR-IC busy output monitor input pin (C860RDS)
3 – 6
A3 – A0
I/O
TIR-IC command input/output pin (C860RDS)
7
VDD
—
Power supply pin
8
X1
I
Ceramic oscillator connection input pin (8 MHz)
9
X2
O
Ceramic oscillator connection output pin (8 MHz)
10
GND
—
GND
11
XTI
I
Connect to GND.
12
XTO
O
Not used.
13
X0
—
Connect to GND.
14
RESET
I
Reset input pin
15
RDSCKI
I
RDS clock input pin (C860RDS)
16
BU IN
I
Back-up detection input pin
17
BUSON
I
Bus interface bus on input pin
18 – 25
D7 – D0
O
Not used.
26
RE
O
Not used.
27
WE
O
Not used.
28, 29
—
O
Not used.
30
RDSSI
I
RDS data input pin (C860RDS)
31
TIR4/8MIN
I
TIR recording time setting pin (Fixed at “L” (C860), “H” (C860RDS).)
32
AM STIN
I/O
AM STEREO indicator input/output pin (Fixed at “L”.)
33 – 35
—
—
Not used.
36, 37
—
—
Connect to GND.
38
PLLSI
I
PLL data input pin
39
PLLSO
O
PLL data output pin
40
PLLCKO
O
PLL clock output pin
41
PLLCE
O
PLL chip enable output pin
42
UNIREQ
O
Bus interface request output pin
43
LIKOFF
O
Bus interface link output pin
44
UNICKO
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
VREF
—
Reference voltage input pin for A/D conversion input. (+ side)
50
—
I
Fixed at “L” (C860).
51
—
I
Fixed at “H” (C860).
52
SRAMRST
I
RAM reset detection input pin (C860)
53
MUTSEL
I
Mute operation select pin (Fixed at “L”.)
54
DSTSEL0
I
Destination select setting pin (Fixed at “L”.)
55
DSTSEL1
I
Destination select setting pin (Fixed at “H” (C860), “L” (C860RDS).)
56
AM VSM
I
AM S-meter voltage detection input pin
57
FM VSM
I
FM S-meter voltage detection input pin
58
VREF
—
Reference voltage input pin for A/D conversion input. (– side)
59
—
—
GND for A/D conversion input.
– 36 –
Pin No.
Pin Name
I/O
Pin Description
60
VSS
—
GND
61
TU ON
O
TUNER-ON output pin
62
DX LO
O
DX/LOCAL output pin (Not used.)
63
SEEK
O
SEEK OUT output pin
64
AM ON
O
AM-ON output pin (Not used.)
65
FM ON
O
FM-ON output pin
66
TUNMUT
O
MUTE output pin
67
AF SEK
O
AF-SEEK output pin (Not used.)
68
SRAM
I
Not used.
69
A15
O
Not used.
70
ST-IN-MONO
I/O
Used in conjunction with ST indicator input/force MONO output.
71
SD IN
I
Signal detector input pin
72, 73
A14, A13
O
Not used.
74
CE
O
Not used.
75
A11
O
Not used.
76
A10
O
TIR-IC power down output pin (C860RDS)
77
A9
O
TIR-IC reset/power down output pin (C860RDS)
78
A8
O
TIR-IC chip enable output pin (C860RDS)
79
A7
O
TIR-IC chip enable inversion output pin (C860RDS)
80
A6
O
TIR-IC data write pulse output pin (C860RDS)
Click on the first or last page to see other CDX-C860 / CDX-C860RDS service manuals if exist.