Panasonic CQ-C8303U - WMA/MP3/CD Player/Receiver With 4096 Color OEL Display, Service Manual

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10.1. Main Block
IC601 : C2CBKG000034
Pin
No.
Port Description (I/O
)
(V)
FM AM CD
1 PANEL OPEN Panel open detection I 0 5.2 5.2
2 PANEL
CLOSE Panel close detection I 0 0 5.2
3 SUBM CNT 3.3V power control for
Display O 5.0 - -
4 BATT Battery power check I 4.8 5.0 5.0
5 ACC Acc. power check I 4.8 5.0 5.0
6 SDA Serial data for electronic
volume I/O 4.9 4.9 4.9
7 SCLK Serial clock for electronic
volume O 4.9 4.9 4.9
8 CD MUTE Signal mute from CD deck I 5.0 5.0 5.0
9 Vss GND - 0 0 0
10 ST FM stereo detection I 5.1 5.2 5.2
11 PLL DI (MO) Serial data to PLL O 0.6 0 0
12 PLL DO (MI) Serial data from PLL I 5.2 5.2 5.2
13 PLL CLK Serial clock for PLL O 4.9 4.9 4.9
14 PLL CE Chip enable for PLL O 0 0 0
15 CD RESET Reset for CD deck O 4.9 4.9 4.9
16 SUB SI Serial data to Display CPU O 0.6 0.6 0.8
17 CD IN Disc-in detection I 5.0 5.0 5.0
18 SUB SO Serial data from Display
CPU I 4.4 4.4 4.4
19 CH DATA/ UP
SO
XM SO/UP SO Serial data
from Changer
I 1.6 1.6 1.6
20 CH CLK/ UP
CLK
Serial clock for Changer or
Flash writer I 4.9 4.9 4.9
21 Vdd +5V power supply - 4.9 4.9 4.9
22 XM SI (MO)/
UP SI
Serial data to Satellite or
Flash writer O 0 0 0
23 CD SI (MO) Serial data to CD deck O 0 0 0
24 CD SCLK Serial clock for CD deck I/O 0 0.4 0
25 CONDENSOR Capacitor connection for
power
- 3.3 3.3 3.3
26 CD SO (MI) Serial data from CD deck I 0 0 0
27 CH STB Strobe from Changer I 0 0 0
28 CH REM OUT Remote control codes to
Changer
O 4.9 4.9 0.4
29 DECK V
CONT
Power control for CD deck O 4.9 4.9 4.9
30 REMO INT Interrupt for remote control I 3.7 3.7 3.7
31 CD FS Frame sync. for CD deck O - - -
32 Avdd +5V power supply - 5.1 5.1 5.1
33 AVREF +5V power supply - 5.1 5.1 5.1
34 AVGND GND - 0 0 0
35 AVSS GND - 0 0 0
36 SD FM/AM signal level meter I 0.2 0 0.3
37 INIT A Model setting A by voltage
level I 0 0 0
38 INIT B Model setting B by voltage
level I 0 0 0
39 A IN Spectrum analyzer data I 0 0 0
40 Vss GND - 0 0 0
41 SYS ID1 Hub connection device
detection ID 1 I 0 0 0
42 SYS ID2 Hub connection device
detection ID 2 I 5.2 5.2 5.2
43 HUB EVENT Bluetooth incoming
detection I 5.2 5.2 5.2
44 HUB CNT Request of hub
connection check O 0 0 0
45 CD SW1 Disc detection switch 1 I 0 0 0
46 CD SW2 Disc detection switch 2 I 0 0 0
Pin
No.
Port Description (I/O
)
(V)
FM AM CD
47 MOD0 Operating mode control 0
from Flash writer I 5.1 5.1 5.1
48 MOD1 Operating mode control 1:
pulled up to H - 5.1 5.1 5.1
49 MOD2 Operating mode control 2
from Flash writer I 0 0 0
50 H STANDBY Standby control from
external I 5.0 5.0 5.0
51 DCDC CONT Not connected - - - -
52 FP MOTOR1 Open/Close of Front panel
1 O 4.9 5.0 4.9
53 FP MOTOR2 Open/Close of Front panel
2 O 4.9 5.0 4.9
54 V CONT1 Reference voltage control
for motor driver O 0 0 5.0
55 REMO 1 Remote control data I 5.0 5.0 5.0
56 SA CLK Spectrum analyzer clock O 5.0 5.0 4.9
57 EXT MUTE Pulled up to H I 5.3 5.2 5.2
58 AMP CONT Power control for external
Amplifier O 4.9 5.0 4.9
59 BZ OUT Buzzer signal O 0 0 0
60 OEL VCONT Power control for OEL O 0 0 0
61 WOW MODE1 SRS WOW mode 1
(C8403U only)
O 0 0 0
62 WOW MODE2 SRS WOW mode 2
(C8403U only)
O 0 0 0
63 WOW MODE3 SRS WOW mode 3
(C8403U only)
O 0 0 0
64 DIM1 Not connected - - - -
65 DIM2 Not connected - - - -
66 MAIN CNT2 Power control for Hub O 5.0 5.0 5.0
67 SRC KEY SOURCE key detection I 5.0 4.9 5.0
68 PANEL IN Panel attachment
detection I - - -
69 NC Not connected - - - -
70 NC Not connected - - - -
71 NC Not connected - - - -
72 MAIN CONT Main power control O 4.9 4.9 4.9
73 INV CONT Dimmer power control O 5.0 5.0 5.0
74 AF MUTE Audio mute O 5.0 5.0 5.0
75 RESET Reset I 5.0 5.0 5.0
76 FOCUS ELV Focus elevation for SRS
WOW (C8403U only) O - - -
77 X1A Oscillator clock O 2.1 2.1 2.1
78 X0A Oscillator clock I 1.6 1.6 1.6
79 Vss GND - 0 0 0
80 X1 Crystal oscillator clock I 2.0 2.0 2.0
81 X2 Crystal oscillator clock O 2.5 2.5 2.5
82 Vdd +5V power supply - 5.0 5.0 5.0
83 P00 Pulled down to L - 0 0 0
84 P01 Pulled up to H - 5.1 5.0 5.1
85 OFFSET DET Audio clipping level
detection from Power
amp.
I 0 0 0
86 STBY Standby for Power amp. O 5.0 5.0 5.0
87 MUTE Mute for Power amp. O 0 0 0
88 ILL SENS Pulled up to H - 5.0 5.0 5.0
89 NC Not connected - - - -
90 NC Not connected - - - -
91 NC Not connected - - - -
92 NC Not connected - - - -
93 SUB RESET Reset for display CPU O 4.9 5.0 4.9
94 DISPM CONT 5V power control for
Display
O 0 0 0
95 NC Not connected - - - -
96 NC Not connected - - - -
10 TERMINALS DESCRIPTION
9
CQ-C8403U / CQ-C8303U