Panasonic CQ-VD6503U, Service Manual

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9.1. Main Block
IC601 : C2DBLK000114
Pin
No.
Port Description I/O Vol
(V)
1 AVREF0 Reference voltage for A/D
converter - 3.2
2 AVSS Ground for A/D converter - 0
3 ANT CNT Antenna control O 3.2
4 RCA SW Voice change of DVD-CH and
HUB. H: HUB L:VTR2 O 0
5 AVREF1 Reference voltage for A/D
converter - 3.2
6 Touch RESET Touch Panel reset O 3.2
7 HUB CNT HUB control. L: HUB CPU
Communication O 3.2
8 IC/FLMD0 Flash memory update control - 0
9 VDD +3V power supply - 3.2
10 REGC Bypass capacitor terminal for
voltage reg. - 2.5
11 VSS Ground - 0
12 X1 Crystal osillator terminal I 1.1
13 X2 Crystal osillator terminal - 1.2
14 /RESET System reset I 3.2
15 XT1 (Connecting to ground) - 0
16 XT2 No Connection - -
17 EVENT EVENT input (for HUB) I 0
18 CH STB/XM
DET2
Changer data strobe I 5.0
19 RDS DATA RDS data I 3.3
20 RDS CLK RDS clock I 0
21 MAIN CNT Main_Control (for HUB) O 5.0
22 OSD CS OSD chip select O 1.0
23 OSD DO OSD control data O 0.6
24 OSD CLK OSD data shift clock O 2.2
25 XM TX(MO) XM data O 5.0
26 CH DATA/XM
RX
Changer data I 0
27 CH CLK/XM
DET1
Changer clock / XM detection
signal I 3.1
28 REMO DATA Ext. remote control signal I 5.0
29 CHC REM
OUT
Changer remote control code O 5.1
30 I2C CLK I2C bus clock O 5.1
31 I2C DATA I2C bus data O 5.1
32 OSD RESET OSD reset O 3.2
33 EVSS Ground for ext. unit - 0
34 EVDD +3V power supply for ext. unit - 3.2
35 DVD TX(MO) DVD deck TX data O 3.2
36 DVD RX(MI) DVD deck RX data I 3.2
37 BEEP Beep signal O 0
38 AMP CNT Ext. AMP control O 3.2
39 AMP STB Ext. AMP stand-by O 5.0
40 TFT SI(MI) TFT unit communication data I 0
41 TFT SO(MO) TFT unit communication data O 0.5
42 TFT CLK TFT unit communication clock O 5.0
43 AMP MUTE Internal power AMP mute O 0
44 SYS ON System power (5V) control for SW
PCB O 0
45 NAVI REMO
OUT
NAVI remote control data O 0
46 ENTER ENTER key I 3.3
47 FRONT MUTE Audio signal (BEEP NAVI) mute O 5.0
48 VD COUNT Vertical drive signal count I 5.0
49 REAR MUTE Video out mute O 5.0
50 SYSID1 Connected equipment recognition
(for HUB) I 5.0
Pin
No.
Port Description I/O Vol
(V)
51 SYSID2 Connected equipment recognition
(for HUB) I 5.0
52 SYS MUTE
(F)
System mute (FRONT) O 5.0
53 SYS MUTE
(S)
System mute (SURROUND) O 5.0
54 SYS MUTE
(C)
System mute (CENTER) O 5.0
55 SYS
MUTE(SW)
System mute (SW) O 5.0
56 BATT SENS Battery level detection I 5.0
57 ACC SENS ACC level detection I 5.0
58 PULSE Monitor position detection pulse I 5.0
59 SYS PWR System power control O 5.0
60 MAIN PWR Main power control O 3.2
61 MONI PWR Monitor power control O 3.2
62 NAVI RM CH NAVI remote control output
change O 0
63 SEC LED LED blinking function for
CodeSecurity emphasis O 3.2
64 EJECT LED
(NC)
No Connection - -
65 NAVI LED NAVI LED on/off O 0
66 MA Drive mechanism control signal O 3.2
67 MB Drive mechanism control signal O 3.2
68 MC Drive mechanism control signal O 3.2
69 BVSS Ground for bus I/F - 0
70 BVDD Power supply for bus I/F - 3.2
71 FAN CNT Fan motor power control O 3.2
72 ROTARY.1 Rotary encoder signal (VOL
DOWN) I 0
73 ROTARY.2 Rotary encoder signal (VOL UP) I 3.3
74 INIT DET 2 Destination detection I 0
75 RADIO CNT Radio power control O 3.2
76 DVD MUTE DVD mute request / Flash
memory update cnt. I 3.3
77 DSP SCK Shift clock for DSP communication
data O 2.8
78 DSP SDA DSP communication data O 3.1
79 DSP RESET DSP reset O 3.2
80 DVD CNT DVD deck power control O 3.2
81 DVD RESET Reset signal for DVD deck control
MPU O 3.2
82 FRAM HOLD F-RAM hold O 0
83 FRAM CLK Shift clock for F-RAM data O 0
84 FRAM DO F-RAM serial data O 0
85 FRAM CS F-RAM chip select O 3.2
86 FRAM WP F-RAM write protect O 0
87 SW PWR Switching power supply frequency
change O 0
88 MODE MODE key detection I 3.2
89 JOY A/D ADC input terminal for joy stic
signal I 3.3
90 NAVI DISP NAVI display activity detection I 3.3
91 NAVI SENS NAVI system connection detection I 3.3
92 SIDE BRAKE Side break detection I 3.3
93 INIT DET Destination detection I 0
94 POSI SENS ADC input terminal for monitor
position signal I 2.4
95 NAVI MUTE NAVI mute I 0
96 OFFSET DET Power IC abnormality detection I 0
97 AD KEY ADC input terminal for AD key
signal I 3.3
98 REVERSE REVERSE signal detection I 3.3
99 FRAM DI F-RAM serial data I 0
100 V_NAVI NAVI RGB signal change O 0
9 TERMINALS DESCRIPTION
7
CQ-VD6503U