http://tsn.pasc.panasonic.com/viewing/NA/CQ-DFX983U/SVC/s1002000000.html
10.2 Main Block [CQ-DF903U]
IC601 : C2CBJG000273
Pin No.
Name
Description
I/O
Vol (V)
FM AM CD
1
CDC SENS
CD changer 1/2 detection
I
5.1
5
5.2
2
ST
FM stereo signal
I
5.1
5
5.2
3
EJECT
EJECT.KYE detection
I
4.9
4.9
4.9
4
AVSS
Ground
-
0
0
0
5
EXT MUTE
TEL/NAVI mute
I
5.1
5.1
5.2
6
CDC 1/2
CD changer 1/2
O
4.8
4.8
4.8
7
AVREF1
Reference voltage
-
4.8
4.8
4.8
8
SUB SO
LCD data
I
3.3
3.3
3.3
9
SUB SI
LCD data
O
0.7
0.7
0.8
10
(NC)
-
-
-
-
-
11
CH DATA
CD changer data
I
0
0
0
12
(NC)
-
-
-
-
-
13
CH CLK
CD changer clock
I
0
0
0
14
CH REM
CD changer remote control
O
4.8
4.8
4.8
15
BZOUT
Beep
O
0
0
0
16
CD SO
CD data
I
2.6
2.7
2.8
17
CD SI
CD data
O
2.6
2.6
2.6
18
CD SCK
CD clock
O
4.7
4.7
4.7
19
S.W UP
Wake up
O
4.8
4.8
4.8
20
CD RESET
CD Reset
O
4.7
4.7
4.7
21
AMP CONT
External AMP control
O
4.7
4.7
4.7
22
ANT CONT
Antenna control
O
4.7
4.7
4.7
23
(NC)
-
-
-
-
-
24
SUB.W.F
Sub Woofer Frequency select
O
0
0
0
25
(NC)
-
-
-
-
-
26
STBY
Power IC Control
O
4.8
4.8
4.8
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Summary of Contents for CQDF903U - Sirius® Radio-Ready CD Receiver
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Page 153: ...CQ DFX983U CD DECK E 6923a CN681 ...
Page 155: ...E 6923a CQ DF903U CD DECK NCD8 Printed in Japan K 2003 1 Recycled Paper CN681 ...
Page 158: ...21 SCHEMATIC DIAGRAM 2 21 1 Main Block CQ DFX983U 47 ...
Page 160: ...CQ DFX983U CQ DF903U 47 ...
Page 162: ...21 2 Main Block CQ DF903U CQ DFX983U CQ DF903U 48 ...
Page 164: ...48 ...
Page 166: ...21 3 Display Block 49 ...
Page 168: ...CQ DFX983U CQ DF903U 49 ...
Page 170: ...21 4 CD Servo Block CQ DFX983U CQ DFX983U CQ DF903U 50 ...
Page 172: ...CQ DFX983U CD DECK E 6923a CN681 E 6923a CN681 50 ...
Page 174: ...21 5 CD Servo Block CQ DF903U 51 ...
