Sony MDX-C5960R Service Manual page 49

Pin No. Pin Name
43 AVRH
44 AVRL
45 AVSS
46 KEY-IN0
47 KEY-IN1
48 KEY-IN2
49 RC-IN0
50 D-BASS IN
51 QUALITY
52 MPDH (MTP)
S-METER
53
(VSM)
54 VCC
55 AMP ATT
56 AMP ON
57 ILL IN
58 LOCK IN
59 EMPH ON
60 AU ATT
61 AF ATT
62 TU-ATT
63 VSS
64 ACC IN
65 AF-SEEK
66
WIDE
67 DAVN
68 NARROW
69 SSTOP
70 SDA
71 SCL
72 RC-IN1
73 X1A
74 X0A
I/O
I Reference voltage (+5V) input terminal (for A/D converter)
I Reference voltage (0V) input terminal (for A/D converter)
— Ground terminal (for A/D converter)
Key input terminal (A/D input) (LSW801 to LSW804, LSW806 to LSW810)
OFF, SOURCE, SEEK/AMS + ) + = 0 – , DSPL, SOUND, MODE, SHIFT, 1, 2
I
keys input (LSW804 DSPL: MDX-C5960R/C5970R only)
Key input terminal (A/D input) (LSW811 to LSW821)
6, AF/TA (MDX-C5960R/C5970R) DSPL (MDX-C5970), LIST PTY (MDX-C5960R/
I
C5970R) LIST (MDX-C5970), 10 to 3 keys input
I Key input terminal (A/D input) Not used (open)
I Rotary remote commander key input terminal (A/D input)
I D-BASS switch (LSW805) input terminal (A/D input)
Noise level detection signal input at SEEK mode (A/D input)
I
Used for the MDX-C5960R/C5970R only (MDX-C5970: Not used (open))
Multi-path detection signal input from the RDS decoder (IC102) (A/D input)
I
Used for the MDX-C5960R/C5970R only (MDX-C5970: Not used (open))
FM and AM signal meter voltage detection input from the FM/AM tuner unit (TU1)
I
(A/D input)
—
Power supply terminal (+5V)
Power amp muting on/off control signal output to the power amplifier (IC500)
O
"L": muting on
Standby on/off control signal output to the power amplifier (IC500)
O
"L": standby mode, "H": amp on
Auto dimmer control illumination line detection signal input terminal
I
"L" is input at dimmer detection
I Mini-disc lock detection signal input from the MD mechanism controller (IC501) "H": lock
O Emphasis control signal output terminal Not used (open)
O Audio line muting on/off control signal output terminal "H": muting on
O Preamp muting on/off control signal output to the electrical volume (IC300) "H": muting on
Muting on/off control signal output of the FM tuner signal "H": muting on
O
Used for the MDX-C5960R/C5970R only (MDX-C5970: Not used (open))
—
Ground terminal
I Accessory detect signal input terminal "L": accessory on
PLL low-pass filter time constant selection signal output at AF SEEK
O
"H" is output when AF SEEK Not used (open)
IF band select signal output terminal "H": wide mode
In receiving FM signals, interference noise from adjacent stations is removed by narrowing the
O
IF band automatically in the tuner unit so as to raise the selectivity, but in this case, the distortion
may increase and accordingly, the IF band is widened forcibly Not used (open)
Data transmit completed detect signal input from the RDS decoder (IC102) "H" active
I
Used for the MDX-C5960R/C5970R only (MDX-C5970: Not used (open))
O
Narrow select signal output terminal "H" active Not used (open)
I
IF counter request signal input from the FM/AM PLL (IC100)
Two-way data bus with the FM/AM PLL (IC100), RDS decoder (IC102) and electrical volume
I/O
(IC300) (RDS decoder is MDX-C5960R/C5970R only)
Bus clock signal output to the FM/AM PLL (IC100), RDS decoder (IC102) and electrical volume
O
(IC300) (RDS decoder is MDX-C5960R/C5970R only)
I Rotary remote commander shift key input terminal "L": shift
O Sub system clock output terminal (32.768 kHz)
I
Sub system clock input terminal (32.768 kHz)
Function
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