Sharp TQ-GX30E Service Manual page 142

GX30
IC707 RH-IXA021AFZZL (BD6015): POWER MANAGEMENT
Pin Terminal
No. name
1 T1 –
2 LEDG Output
3 GND1 –
4 VBAT1 –
5* LSO11 O, CMOS output
6* LSO12 O, CMOS output
7 WVOUT Output
8 T2 –
9 TEST I, CMOS input
10 LEDR Output
11 LEDB Output
12 TRSW Output
13 CAPP1 Output
14* CAPN1 Output
15 SENSP Input
16 SENSN Input
17 CAP3 Output
18 CPIN Input
19 CAPP2 Output
20 VIO –
21 VPLUS2 Input
22* CAPN2 Output
23 GND3 –
24 STRB I, CMOS input
25 CLK I, CMOS input
26 VPLUS12 Input
27 CAMP Output
28 DATA I, CMOS input
29 FRP I, CMOS input
30 IREF Output
31 VREF Output
32 LEDCTL I, CMOS input
33* ERROUT Output
34 FLED Output
35 GND2 –
36 SBD Input
37 VNEG Input
38 CAMN Output
39 T4 –
40 RSTB I, CMOS input
41 BLED Output
42 SW Output
43 GNDP Output
44 VBAT2 –
45 VPLUS11 Input
46 T3 –
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
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Input/Output Input
level
Power side
– –
– –
– VBAT1
– –
– WVOUT
– WVOUT
– –
– –
– VBAT1
– VBAT1
– –
– VBAT1
– WVOUT
– WVOUT
– VBAT1
– VBAT1
– –
– –
– WVOUT
– –
– –
– CPIN
– VBAT1
VIO VIO
VIO VIO
– –
– VPLUS12
VIO VIO
VIO VIO
– VBAT1
– VBAT1
VIO VIO
– VBAT2
– –
– VBAT2
– –
– VBAT1
– VBAT1
– –
VIO VIO
– –
– –
– VBAT2
– –
– –
– –
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CONFIDENTIAL
ESD Diode
GND side
GND1 Dummy terminal (internally connected with T2)
GND1 Green LED drive output terminal (constant current
drive)
– Ground
GND1 VBAT power supply terminal
GND3 Level shift output 1 (Not used)
GND3 Level shift output 1 (Not used)
GND3 2/4 times step-up charge pump output
GND1 Dummy terminal (internally connected with T1)
GND1 Test terminal (pulldown with IC, inside)
GND1 Red LED drive output terminal (constant current drive)
GND1 Blue LED drive output terminal (constant current drive)
GND1 DC-DC switching Tr drive terminal for R/G/B LED
GND3 2/4 times step-up charge pump C1 connection terminal Step-up stop
GND3 2/4 times step-up charge pump C1 connection terminal
(Not used)
GND1 DC-DC switching current sense terminal for R/G/B
LED
GND1 DC-DC switching current sense terminal for R/G/B
LED
GND3 2/4 times step-up charge pump output terminal
GND3 2/4 times step-up charge pump input terminal
GND3 2/4 times step-up charge pump C2 connection terminal Step-up stop
GND2 Logic system power supply terminal
GND1 DC-DC step-up voltage feedback input for R/G/B LED
GND3 2/4 times step-up charge pump C2 connection terminal
(Not used)
– Ground
GND2 Three-wire serial strobe input
GND2 Three-wire serial clock input
GND3 DC-DC step-up voltage feedback input for front/rear
backlights
GND3 +15 V voltage output terminal for camera
GND2 Three-wire serial data input
GND2 Level shift circuit, rectangular wave input terminal
GND3 Resistor connection terminal for current reference
GND3 Voltage reference terminal (connected with C)
GND2 On/Off control terminal for R/G/B LED
GND2 SWREG1 error detection amplifier output (Not used)
GND2 White LED drive terminal for front backlight
– Ground
GND2 SBD input terminal
– Negative power supply terminal for camera
– –8 V voltage output terminal for camera
GND3 Dummy terminal (internally connected with T3)
GND2 Reset input (reset by low input)
GND2 White LED drive terminal for rear backlight
GNDP DC-DC coil switching terminal for front/rear backlights
– Ground
GND2 VBAT power supply
GND2 DC-DC step-up voltage feedback input for front/rear
backlights
GND3 Dummy terminal (internally connected with T4)
6 – 22
Description of terminal Initial status
–
LED off
–
–
0 V output
0 V output
Step-up stop
–
–
LED off
LED off
Step-up stop
Step-up stop
Step-up stop
Step-up stop
Step-up stop
–
–
Step-up stop
Step-up stop
–
–
–
Step-up stop
0 V output
–
–
–
–
–
No output
LED off
–
–
–
0 V output
–
–
LED off
Step-up stop
–
–
Step-up stop
–