13
DJS-1000
5
6
7
8
5
6
7
8
A
B
C
D
E
F
5. DIAGNOSIS
5.1 STARTUP SEQUENCE
Timimg chart of Power-on,Reset and Muting
S
tartup
S
equence
Power-on/
S
tandby Return
S
oftware Cont.
S
ig.
(iMX)
Power
Clock
Hardware Cont.
S
ig.
S
oftware Cont.
S
ig.(M1)
Normal
S
tate
At the time of standby return from here
Ton0
Ton1
Ton2
Ton2
Ton
3
Ton6
Ton7
Ton4
Ton5
Ton5
Ton5
U
S
BA VBU
S
Current monitoring
(
S
tart as soon as application is started up)
Ton5
Ton
8
Ton9
Voltage monitoring (L=400ms : Abnormal detection)
S
tarting AC voltage monitoring (L=1ms : AC OFF detection)
V-6LCD
V+10BL
U
S
BHUB_xR
S
T
V-12A
DDR_xR
S
T
V+2R
8
VHIGH
LCD signals
V+
3
R
3
D
V+1
8
LCD
V+9R6LCD
M2_xR
S
T
V+5R1D_CONT
22.5792MHz
V+
3
V
S
NV
S
U
S
BPWR_OC
IMX_xR
S
T
16MHz
V+12HP_CONT
V+4R2D
V+1R
3
75
S
OC
ADDA_xR
S
T
xAC_OFF
L_MUTE
LAN_xR
S
T
BL control
FAULT DET
eMMC_xR
S
T
xMUTE
V+12
S
W
S
tandby
S
tate
V+12E V+5E
V+
3
R
3
E
M1_xR
S
T
PWR
S
W_xON
V+1R5DDR
24MHz
3
2.76
8
kHz
V+5R1D
V+1R
3
75CORE
PMIC_ON_REQ
V+12
S
W_CONT
CLK_CONT
V+5R2U
S
B
U
S
BPWR_EN
V+
3
R
3
VGEN6
V-12HP
Mute canceled
V+12HP
V+1R
8
VGEN4
V+12A
S
tarting LCD display
19.5s
6.4ms @
3
.1V
2
8
0ms
M1
4.
8
s
8
0ms
6.2ms
3
.2ms
3
.9ms
2ms
4ms
4ms
2ms
8
ms
22.5ms
2
8
ms
1
3
ms
17ms
2
3
1ms
2
3
1ms
2
8
ms
3
.2ms
2ms
24ms
3
.7s
165ms
12ms
8
60ms
1.2s
8
.2s
1
8
ms
3
.7s
3
.7s
3
.7s (22.5792MHz -> ADDA_xR
S
T :92ms)
12
8
ms
boot