CQ-VW100W - Panasonic Car Audio Service Manual (repair manual). Page 5

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5
4 Technical Descriptions
4.1.
Terminals Description
4.1.1.
Main Block
IC601 
 C2DBYY000345
Pin 
No.
Port
Description
I/O
Vol (V)
FM AM DV
D
AVREF0
Reference voltage for A/D 
Converter 0
-
3.3
3.3
3.3
AVSS
Ground for A/D converter
-
0
0
0
FREQ CNT
Output for control of fre-
quency of DC
O
1.5
1.5
1.5
4 RSTB
Reset 
of 
TFT
O
3.3
3.3
3.3
AVREF1
Reference voltage for A/D 
Converter 1
-
3.3
3.3
3.3
FLSPM CNT Output for control of Self 
programming"
O
0
0
0
FREQ IN
Input for count of frequency 
of DC
I
AC
T
AC
T
AC
T
IC/FLMD0
Flash memory update con-
trol
-
0
0
0
VDD
+3.3V power supply
-
3.3
3.3
3.3
10 REGC
Bypass 
capacitor 
terminal 
for voltage reg.
-
2.5
2.5
2.5
11 VSS
Groud
-
0
0
0
12  X1
Crystal osillator terminal for 
main 1
I
AC
T
AC
T
AC
T
13  X2
Crystal osillator terminal for 
main 2
-
AC
T
AC
T
AC
T
14 RESET
System 
reset
I
3.3
3.3
3.3
15  XT1
Crystal osillator terminal for 
Sub
I
0
0
0
16 XT2
Not 
connected
-
-
-
-
17  RDS DATA
RDS DATA input
I
AC
T
AC
T
AC
T
18 CH 
STB/SYS 
ID4
input for changer of commu-
nication Strobe /HUB(con-
nected equipment 
recognition)"
I
0
0
0
19  RDS_CLK
RDS CLK input
I
AC
T
AC
T
AC
T
20 N.C.
 
-
O
0
0
0
21 HUB_EVEN
T
for HUB (EVENT input)
I
0
0
0
22  TFT_SDA
TFT I2C bus data output
I/O
AC
T
AC
T
AC
T
23  TFT SCL
TFT I2C bus clock output
O
AC
T
AC
T
AC
T
24  HUB CNT
for HUB (HUB control)
O
3.3
3.3
3.3
25  HUB TX
Hub data output
O
5
5
5
26 CH 
DATA/
HUB RX
Changer data/Hub data 
input
I
3.3
3.3
3.3
27 CH 
CLK/SYS 
ID3
Changer_CLK input
I
0
0
0
28 REMO 
DATA 
IN
External remote control sig-
nal input
I
0
0
0
29  CH RM OUT chunger remote control 
code output
O
5
5
5
30 MAIN 
CNT
Main_CONT
O
0
0
0
31  SYS D1
for HUB (Connected equip-
ment recognition 1 )
I
5
5
5
32  SYS ID2
for HUB (Connected equip-
ment recognition 2 )
I
5
5
5
33  EVSS
Grand potential for external
-
0
0
0
34  EVDD
Positive power supply for 
external
-
3.3
3.3
3.3
35  D SDA
I2C data 2
I/O
3.3
3.3 3.3
36  D SCL
I2C clock 2
O
3.3
3.3 3.3
37 BEEP
Beep 
correspondence 
title 
output
O
0
0
0
38  REQUEST
I2C communication request 
(DVD DECK)
O
0
0
0
39  D RESET
DVD DECK`S reset output
O
3.3
3.3 3.3
40  NEJECT
output for compulsion eject
O
3.3
3.3 3.3
41 N.C.
 
-
O
0
0
0
42  SRC LED
SRC button LED
O
3.3
3.3 3.3
43  SRC KEY
SOURCE key detection
I
3.3
3.3 3.3
44  LED ON
LED control for SW sub-
strate
O
3.3
3.3 3.3
45 EJECT 
LED
 
-
-
-
-
-
46  SD
input for electric field 
strength detection
I
0
0
0
47 N.C.
 
-
-
-
-
-
48  PLL CE
Chip enable output for 
PLL_IC communication
O
3.3
3.3 3.3
49  PLL SI
Cereal data input for PLL IC 
communication
I
3.3
3.3 3.3
50  PLL SO
Cereal data output for PLL 
IC communication
O
3.3
3.3 3.3
51  PLL CLK
Cereal clock output for PLL 
IC communication
O
3.3
3.3 3.3
52 SYS 
MUTE(F)
System mute signal output 
(FRONT)
O
5
5
5
53 N.C.
 
-
-
-
-
-
54 SYS 
MUTE(S)
System mute signal output 
(SURROUND)
O
5
5
5
55  NAVI DISP
Navigation screen ON 
detection
I
0
0
0
56  NAVI RM CH switch for Navi remote of 
control signal
O
0
0
0
57  V NAVI
NAVI   red green blue code 
change output
O
0
0
0
58  INV PWR
inverter power supply con-
trol output for monitor
O
3.3
3.3 3.3
59 N.C.
 
-
-
-
-
-
60 N.C.
 
-
-
-
-
-
61  AUDIO SDA E-VOL/AV SW side  I2C bus 
data output
I/O
5
5
5
62  AUDIO SCL E-VOL/AV SW side  I2C bus 
clock output
O
5
5
5
63  CP RESET
iPod Attestation chip for 
RESET
O
3.3
3.3 3.3
64  CP READY
IPod attestation chip com-
munication state detection
I
0
0
0
65  MVC DC
PWM output for mecha-
nism control
O
0
0
0
66 PULSE
Monitor 
start-up 
position 
detection pulse signal input
I
0
0
0
67 NVAI 
RM 
OUT
Navigation remote control 
data signal output
O
0
0
0
68  NAVI SENS
Navigation system connec-
tion detection
I
0
0
0
69 N.C.
 
-
-
-
-
-
70 EXT 
ROM 
CE
External memory connec-
tion chip enable output for 
PhoneBook data storage"
O
3.3
3.3 3.3
71 EXT 
ROM 
SI/FR4 SI
External memory connec-
tion cereal data input for 
PhoneBook data
I
3.3
3.3 3.3
72 EXT 
ROM 
SO/FR4 SO
External memory connec-
tion cereal data output for 
PhoneBook data
O
0
0
0
Pin 
No.
Port
Description
I/O
Vol (V)
FM AM DV
D
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