Panasonic CQ-VD5505W, Service Manual

Page: 5 / 50

5
4 Technical Descriptions
4.1. Terminals Description
4.1.1. Main Block
IC601 ： ： ： ： C2DBLK000XXB
Pin
No.
Port Description I/O Vol (V)
FM AM DVD
1 AVREF0 Reference voltage for A/D
converter - 3.3 3.3 3.3
2 AVSS Ground for A/D converter - 0 0 0
3 FREQ_CNT Output for control of fre-
quency of DCDC
O 1.5 1.5 1.5
4 TFT_RST RESET of TFT O 3.3 3.3 3.3
5 AVREF1 Reference voltage for A/D
converter - 3.3 3.3 3.3
6 MONI_CNT TFT monitor power supply
control output O 2.5 2.5 2.5
7 Touch_SW Switch output for touch
panel SW detection O 2.8 2.8 2.8
8 IC/FLMD0 Flash memory update con-
trol - 0 0 0
9 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 Ground - 0 0 0
12 X1 Crystal osillator terminal for
Main I 1.2 1.2 1.2
13 X2 Crystal osillator terminal for
Main - 1.3 1.3 1.3
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 X+ Transistor SW output for
touch panel X r pole O 3.3 3.3 3.3
18 Y+ Transistor SW output for
touch panel Y r pole O 3.3 3.3 3.3
19 X- Transistor SW output for
touch panel X respect-pole O 0 0 0
20 Y- Transistor SW output for
touch panel Y respect-pole O 0 0 0
21 INV_PWR Inverter power supply con-
trol output for monitor O 3.3 3.3 3.3
22 D_SDA I2C clock 2 O 3.3 3.3 3.3
23 D_SCL I2C data 2 O 3.3 3.3 3.3
24 N.C. - - 0 0 0
25 RDS_DATA Not connected - - - -
26 RDS_CLK Not connected - - - -
27 LED_ON LED control for SW sub-
strate O 3.3 3.3 3.3
28 REMO_DAT
A External remote control sig-
nal input I 3.3 3.3 3.3
29 REMO_OUT Remote control code output O 3.3 3.3 3.3
30 REQUEST I2C communication request
(DVD module) O 0.1 0.1 0.1
31 NEJECT Output for compulsion eject O 3.3 3.3 3.3
32 LOADSW Loading SW I 0 0 0
33 EVSS Grand potential for external - 0 0 0
34 EVDD Positive power supply for
external - 3.3 3.3 3.3
35 I2C_DATA I2C bus data output/ACK
detection O 3.3 3.3 3.3
36 I2C_CLK I2C bus clock output O 3.3 3.3 3.3
37 BEEP Beep correspondence title
output O 0 0 0
38 CN_DET1 Input 1 for connector con-
nection confirmation I 0 0 0
39 PLL_CE Chip enable output for
PLL_IC communication O 0 0 0
40 PLL_SI Cereal data input for PLL_IC
communication I 3.3 3.3 3.3
41 PLL_SO Cereal data output for
PLL_IC communication O 0 0 0
42 PLL_CLK Cereal clock output for
PLL_IC communication O 3.3 3.3 3.3
43 E_SDA I2C clock 2 O 3.3 3.3 3.3
44 E_SCLK I2C data 2 O 3.3 3.3 3.3
45 MVR_DC PWM output for mechanism
control O 3.7 3.7 3.7
46 PULSE Monitor start-up position
detection pulse signal input I 5.1 5.1 5.1
47 DECK_RST Reset output of DVD module O 3.3 3.3 3.3
48 FRG_IN Input for frequency count of
DCDC I 1.5 1.5 1.5
49 SRC_LED SRC button LED O 3.3 3.3 3.3
50 SRC_KEY SOURCE key detection I 3.3 3.3 3.3
51 SD Input for electric field
strength detection I 5.2 5.2 4.5
52 SYS_MUTE System mute signal output O 0 0 0
53 PR4_SI Disc Chucking SW I 3.3 3.3 3.3
54 PR4_SO Inner Limit SW I 0 0 0.35
55 PR4_SCK 8cm Eject SW Output or
Forced Eject Input I/0 3.3 3.3 3.3
56 BATT_SENS
E Battery level detection I 3.3 3.3 3.3
57 ACC_SENS
E ACC level detection I 5.4 5.4 5.4
58 PANEL_DET Input for Detatchapanel
detection
I 0 0 0
59 SYS_PWR System power control O 3.3 3.3 3.3
60 VideoSW1 SW1 for VideoSW switch O 3.3 3.3 3.3
61 VideoSW2 SW2 for VideoSW switch O 3.3 3.3 0
62 FAN_CNT FAN motor power supply
control O 3.3 3.3 3.3
63 REVERSE Reverse detection I 3.3 3.3 3.3
64 EJECT_LED EJECT button LED O 0 0 0
65 SIDE_BRAK
E Parking brake detection I 0 0 0
66 NC Insertion entrance LED con-
trol when 2Din opens O 0 0 0
67 AMP_CNT Amplifier control output O 3.3 3.3 3.3
68 ANT_CNT Antenna control output O 3.3 3.3 0
69 BVSS Ground for bus I/F - 0 0 0
70 BVDD Power supply for bus I/F - 3.3 3.3 3.3
71 PUSH_SW Signal input for rotary SW I 3.3 3.3 3.3
72 ROTARY.1 Rotary encoder signal (VOL
UP) I 3.3 3.3 3.3
73 ROTARY.2 Rotary encoder signal (VOL
DOWN) I 3.3 3.3 3.3
74 INIT_DET_2 Destination detection 2 I 0 0 0
75 INIT_DET_1 Destination detection 1 I 0 0 0
76 FLMD1 - - 0 0 0
77 REMO_CUT External remote control out-
put stop signal output
O 0 0 0
78 HSD P.IC abnormality detection
check I 3.3 3.3 3.3
79 AMP_STB Built-in power amplifier con-
trol output O 0 0 0
80 AMP_MUTE Built-in power amplifier mute
output
O 0 0 0
81 FRAM_HOL
D Not connected - - - -
82 FRAM_CLK Not connected - - - -
83 FRAM_DO Not connected - - - -
84 FRAM_CS Not connected - - - -
Pin
No.
Port Description I/O Vol (V)
FM AM DVD