Page 2
SERVICE MANUAL PIN No. SYMBOL I/O DESCRIPTION
1
2
3
4
5
6
7~9
10
11
12
13
14
15
16
17~21
22
23
24
25
26
27
28~29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51~61
62~82
83~85
86
87
88
89
90
91
92
93
94
95~100Vdd
NC
Func, Mute
NC
NC
NC
Func, Indicator
NC
RDS-DATA
FM-L
RDS-CLK
Stereo-IN
Tuned-IN
Protect-IN
Key Input
Vss
Vass
Varef
Vdd
Back-up
Vss
Func, Up/Down
Vss
XIN
XOUT
RESET
Remote-In
BUS OUT
BUS IN
SPK ON/OFF
NC
-20dB Mute
NC
PLL CE
PLL DATA
PLL CLK
Option
NC
STB
CLK
DATA
NC
Vkk
FIP GRID
FIP ANODE
Option
Option
Option
Option
Standby
VOL OP
VOL DOWN
VOL LED
Power ON/Off
Standby LED
NCI
-
O
-
-
-
O
-
I
I
I
I
I
I
I
-
-
-
-
I
-
I
-
I
O
I
I
O
I
O
-
O
-
O
O
O
O
-
O
O
O
-
-
O
O
O
O
O
O
O
O
O
O
O
O+5V
NO Connection
Function Mute ON/OFF Output
No Connection
Function LED Drive Data Output
No connection
RDS DATA Output
FM/AM Switching Output
RDS CLOCK input
Stereo Display input
Tuned Display input
Protection input
Resistor Divide Key Control Input
GND
GND
Vdd(+5V)
+5V
Backup Mode control
GND
Function UP/DOWN INput
GND
Crstal element Connection Terminal
Crstal element Connection Terminal
RESET Input
Remote Control Data Input
System Control Signal Output
System Control Signal Input
Speker ON/OFF Output
NO Connection
-20dB Mute Output
No Connection
PLL Serial Chip Enable Output
PLL Serial Data Output
PLL Serial CLOCK Output
Amp/Receiver Option
No Connection
Function IC Signal Output
Function IC Signal Output
Function IC Signal Output
No Connection
VFLP (-33V)
FIP GRID Output
FIP ANODE Output
Region Option
Display Option
RDS ON/OFF Option
Model Option
Standby/ Direct Option Output
VOL UP
VOL DOWN
VOL LED Display
Power ON/OFF Output
Standby LED ON/OFF Output
No Connection
IC FUNCTION (Micom BVITMP87PM78F)
63
