JVC KD-SX979R Service Manual page 14

Pin Function (2/2)
Symbol
Pin No.
BUSSI
37
38 BUSSO
39 BUSSCK
BUSI/O
40
41 LCDDA
LCDSCK
42
43 LCDCE
44 BUZZER
EPROMDI
45
46 EPROMDO
EPROMCK
47
48 OPEN
49~52 NC
SD/ST
53
54 LOCAL
MONO
55
56~60 NC
61 DETACH
AFCK
62
63 SEEK/STOP
NC
64
65 FM/AM
PLLCE
66
PLLDA
67
68 PLLCK
PLLDI
69
70 TELMUTE
NC
71
VSS
72
73 DIMIN
PS1
74
75 POWER
CDON
76
MUTE
77
78 NC
NC
79
80 NC
VDD
81
NC
82
83 VOLDA
VOLCL
84
85 DIMMER
NC
86~89
STAGE
90
91 BUCK
CCE
92
93 RST
TEST
94
BUS0~3
95~98
99 DISCSEL
J/E
100
I/O
J-BUS data input
I
J-BUS data output
O
J-BUS Clock signal I/O
I/O
I/O selector output for J-BUS, H:OUT
O
Data output to LCD driver
O
Clock output to LCD driver
O
Chip enable output to LCD driver
O
BUZZER control signal output
O
EPROM data input
I
EPOM data output
O
EPROM clock output
O
Detect for front face open and shut input, H:OPEN L:SHUT
I
Non connect
O
Station detector, Stereo signal input, H:Find Station L:Stereo
I
Local on off switching output
O
Monaural ON/OFF selecting output, H:MONO ON
O
Non connect
I
Input for detach signal, To action mode of L ,
I
Non connect
O
Auto seek/stop selecting output, H:Seek
O
Non connect
-
Selecting output for FM/AM,
O
CE output for IC control for PLL
O
Data output for IC control for PLL
O
Clock output for IC control for PLL
O
Data input from IC21
I
Telephone mute signal detection output
O
Non connect
O
Connect to GND
DIMMER signal input port
I
Power supply terminal
I
Selecting output for power ON/OFF, H:power ON
O
Power supply control signal for CD H:CD
O
MUTE output, L:MUTE ON
O
Sub woofer cut off frequency output 1
O
Sub woofer cut off frequency output 2
O
MUTE output for Sub woofer
O
Power supply terminal
Non connect
O
Data output for IC control for electronic volume
O
Clock output for IC control for electronic volume
O
Dimmer signal output
O
Non connect
O
Pull up
I
Micon interface clock output terminal
O
Command and data sending/receiving chip enable signal output
O
Reset signal output terminal reset at "L" level
O
Connect to GND
-
Micon interface data input/output terminal
I/O
Disc select signal output
O
Pull down
I
Function
L:IN
L:Stop
L:FM H:AM
KD-SX979R/KD-SX925R
KD-SX924R/KD-SX909R
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