Service manual

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