Sony CDX-C760 / CDX-C760RDS Service Manual ▷ View online
– 29 –
Pin No.
Pin Name
I/O
Pin Description
95
VSS3
—
Digital GND
96
AVSS1
—
L-ch, Analog GND.
97
AVDD1
—
L-ch, Analog power supply.
98
AOUT1
O
L-ch, Analog output. (Not used.)
99
AIN1
I
L-ch, OP amplifier input. (Not used.)
100
LOUT1
O
L-ch, LINE output. (Not used.)
101
AVSS1
—
L-ch, Analog GND.
102
XVDD
—
Analog power supply for master clock.
103
XTAI
I
X’tal oscillator input of master clock (16.9344 MHz).
104
XTAO
O
X’tal oscillator output of master clock. (Not used.)
105
XVSS
—
Analog GND for master clock. (Not used.)
106
AVSS2
—
R-ch, Analog GND.
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
– 30 –
• IC601 MN1883220Y5A (C760 : MAIN BOARD) (TUNER SYSTEM CONTROL)
• IC601 MN1883220Y5C (C760RDS : MAIN BOARD) (TUNER SYSTEM CONTROL)
• IC601 MN1883220Y5C (C760RDS : MAIN BOARD) (TUNER SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Pin Description
1 – 6
NCO
—
Not used.
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
RDS-CLK
I
RDS clock input pin (C760RDS)
16
BU-CHECK
I
Back-up detection input pin
17
BUS-ON-IN
I
Bus interface bus on input pin
18 – 29
NCO
—
Not used.
30
RDS-DATA
I
RDS data input pin (C760RDS)
31
NIL
I
Fixed at “L”.
32
AM-ST-IN
I/O
AM STEREO indicator input/output pin. Fixed at “L”.
33 – 35
NCO
—
Not used.
36, 37
NIL
I
Connect to GND.
38
DI
I
PLL data input pin
39
DO
O
PLL data output pin
40
CLK
O
PLL clock output pin
41
CE
O
PLL chip enable output pin
42
RQ
O
Bus interface request output pin
43
LINK-OFF
O
Bus interface link output pin
44
SCK
I
Bus interface serial clock-in input pin
45
SI
I
Bus interface serial data-in input pin
46
SO
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”. (C760)
51
—
I
Fixed at “H”. (C760)
52
SRAM-RST
I
RAM reset detection input pin. (C760)
53
MUTE-SEL
I
Mute operation select pin. Fixed at “H” (C760), “L” (C760RDS).
54
DSTSEL1
I
Destination select setting pin. Fixed at “L”.
55
DSTSEL0
I
Destination select setting pin. Fixed at “H” (C760), “L” (C760RDS).
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.
60
VSS
—
GND
61
TU-ON
O
TUNER-ON output pin
62
LO/DX
O
DX/LOCAL output pin. Fixed at “L” : DX
63
SEEK-OUT
O
SEEK OUT output pin
64
AM-ON
O
AM-ON output pin
65
FM-ON
O
FM-ON output pin
– 31 –
Pin No.
Pin Name
I/O
Pin Description
66
TUNER-MUTE
O
MUTE output pin
67
AF-SEEK
I
Not used.
68
SRAM
I
Fixed at “L”.
69
A15
—
Not used.
70
ST
I/O
ST indicator input/MONO output
71
SD-IN
I
Signal detecter input pin
72 – 80
NCO
—
Not used.
– 32 –
• IC701 µPD78058GC-453-3B9 (MAIN SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Pin Description
1
RE-IN1
I
Rotary encoder (VOLUME) input
2, 3
NIL
I
Connect to GND.
4
AVSS
—
GND for A/D conversion.
5
LCDANG
O
Output for LCD view angle adjustment.
6
NIL
I
Connect to GND.
7
AVREF
—
Reference voltage for D/A conversion.
8 – 11
NIL
I
Connect to GND.
12
LCDSO
O
LCD serial data output
13
LCDCKO
O
LCD serial clock output
14
LCDCE
O
LCD serial chip enable output
15
NIL
I
Connect to GND.
16
UNISI
I
Serial data input
17
UNISO
O
Serial data output
18
UNICKI
I
Serial clock input
19
UNICKO
O
Serial clock output
20
BUSON
O
BUS ON control output
21
LCD-ON
O
LCD driver power control output
22
PW-ON
O
System power control output
23
LAMP-ON
O
Lamp power control output
24
AMP-STBY
O
Power amplifier standby control output
25
BST-ON
O
Power amplifier boost control output
26
NCO
—
Not used.
27
SYSRST
O
System reset control output
28
NIL
I
Connect to GND.
29
VOLSO
O
Electric volume serial data output
30
VOLCKO
O
Electric volume serial clock output
31
VOLCE
O
Electric volume serial chip enable output
32
ILL-IN
I
Illuminator detection input
33
VSS
—
GND for microcomputer.
34
CD-TEXT
I
CD TEXT correspondence with/without setting. Connect to GND.
35
DSPSEL
I
Initial setting input. Fixed at “L” (C760), “H” (C760RDS).
36
TELMUT
I
Telephone mute detection input
37
TEST
I
TEST mode direct setting
38
PW-SEL
I
Power select initial setting
39
NOSESW
I
Detachable panel detection
40
A-MUT
O
Audio mute control output
41
AMPMUT
O
Power amplifier mute control output
42
AD-ON
O
Power control output for A/D conversion.
43 – 45
NIL
I
Connect to GND.
46
BEEP
O
Buzzer control output
47 – 55
NIL
I
Connect to GND.
56
ACCIN
I
Accessory power voltage detection input
57
EQ-SEL
I
Equalizer connection with/without initial setting
58, 59
NIL
I
Connect to GND.
60
RESET
I
Reset input
61
SIRCS
I
Remote commander input
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