Diagnosis; Startup Sequence - PIONEER DJ TSP-16 Service Manual

5

5. DIAGNOSIS

5.1 STARTUP SEQUENCE

Timimg chart of Power-on,Reset and Muting
Startup Sequence
Power-on/Standby Return
Power
Clock
Standby State
Hardware Cont. Sig.
Software Cont. Sig.(M1)
Software Cont. Sig.(iMX)
At the time of standby return from here
V+12E V+5E
V+3R3E
16MHz
280ms
M1
M1_xRST
boot
PWRSW_xON
Ton0
128ms
V+12SW_CONT
4ms
V+12SW
10ms
V-12A
V-9A V-9HP
V+12A_CONT
V+12A
V+9A V+9HP
V+9ADDA
V+5A V+3R3A
6.4ms
V+4R2D
V+3VSNVS
3.2ms
PMIC_ON_REQ
3.2ms
V+1R375CORE
3.9ms
V+1R375CORE
2ms
V+1R5DDR
2ms
V+3R3D
4ms
24MHz
18ms
32.768kHz
V+1R8VGEN4
4ms
V+3R3VGEN6
V+2R8VHIGH
M2_xRST
IMX_xRST
DDR_xRST
V+5R1D_CONT
V+5R1D
V+9R6LCD
V-6LCD
V+18LCD
LCD signals
LCD_PWM
V+10BL
LAN_xRST
CLK_CONT
22.5792MHz
ADDA_xRST
USBPWR_EN
V+5R2USB
USBPWR_OC
eMMC_xRST
USBB_xRST
xMUTE
LMUTE
FAULT DET
xAC_OFF
5
6
Starting LED light-on Starting LCD display
Ton1 80ms
28ms
2ms
8ms
Ton2
231ms
Ton2
231ms
iMX
boot
24ms
Ton3
165ms
12ms
22.5ms
28ms
17ms
13ms
Ton6
Ton4
1.2s
Ton5
3.7s
Ton5
3.7s
Ton5
3.7s
6.2ms
USBA VBUS Current monitoring
(Start as soon application is started up)
Ton5
3.7s
Voltage monitoring (L=400ms : Abnormal detection)
Starting AC voltage monitoring (L=1ms : AC OFF detection)
6
7
Startup Sequence End
Normal State
Mute canceled
4.8s
Ton7 450ms
Starting LCD display
Ton8
8.2s
Ton9 19.5s
TSP-16
7
8
A
B
C
D
E
F
15
8