Sharp LC-15AV7U, Руководство по обслуживанию

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12-1
A7121PIN
IC PIN FUNCTION DESCRIPTIONS
IC31 (IF Signal Process)
IC61, IC1205 (Memory)
IC1202 (LCD Drive / LCD Signal
Process / TV Micro Controller)
Pin
No.
Signal Name Function
1 V-OUT Video Signal Output
2 DEFECT-SW Defect Switching
3 VCC VCC
4 DET-OUT Video Detect Output
5 APC APC ilter
6 VCO-F/B Vco Feed Back
7 SIF-IN SIF Input Signal
8 SIF-OUT SIF Output Signal
9 NU
10 NU Not Used
Not Used
11 REF-SIGNAL Reference Signal Input
12 VCC VCC
13 AFT AFT Output
14 NU Not Used
15 GND GND
16 VIF-IN1 VIF Input 1 Signal
17 VIF-IN2 VIF Input 2 Signal
18 IF-AGC1 IF Auto Gain Control 1
19 IF-AGC2 IF Auto Gain Control 2
20 EQ-AMP-F/B Equalizer Amp Feed Back
Pin
No.
Signal Name Function
1 A0 Slave Address 0 Input
2 A1 Slave Address 1 Input
3 A2 Slave Address 2 Input
4 GND GND
5 SDA Serial Data
6 SCL Serial Clock
7 WP Write rotect
8 VCC VCC
Pin
No.
Signal Name Function
1 VDD+3.3V +3.3V VDD
2 VDD+3.3V +3.3V VDD
3 KEY-IN-1 Key Input 1
4 KEY-IN-2 Key Input 2
5 AFT-IN AFT Voltage Input
6 PROTECT-1 Power Supply Protection 1
7 PROTECT-2 Power Supply Protection 2
8 PROTECT-4 Power Supply Protection 4
9 ADIN6 Reference Terminal
10 VSS GND
11 NU Not Used
12 NU Not Used
13 NU Not Used
14 NU Not Used
15 DTV-S-SOUT DTV Serial Data Out
16 DTV-S-SIN DTV Serial Data In
17 DTV-S-SREQ DTV Serial Request
18 IF-MUTE IF Mute Signal Output
19 NU Not Used
20
BACKLIGHT-
ADJ
Inverter Control Signal Output
21 VDD+3.3V +3.3V VDD
22 DTV-ON-H2 DTV On Signal 2 at High
23 VOLUME Volume Control Signal Output
24 VDD+1.2V +1.2V VDD
25 VDD+1.2V +1.2V VDD
26 NU Not Used
NU Not Used
NU Not Used
NU Not Used
NU Not Used
NU Not Used
27 REMOTE Remote Control Signal Input
28 P-ON-H Power On Signal at High
29 BUS-OPEN Chip select
30 SCL Serial Clock
31 SDA Serial Data
32
33
34
35
36
37 XIN
Crystal Oscillation Input
(27MHz)
38 XOUT
Crystal Oscillation Output
(27MHz)
39 VSS GND
40 VSS GND
41 VSS GND
42 VDD+3.3V +3.3V VDD
Pin
No.
Signal Name Function
F
P