Details On Power On Sequence; Sequence Of Relay On (In); Rise Sequence Of Standby Power Voltages; Rise Sequences Of Vcc Power Voltages - Pioneer krp-m01 Service Manual

5
[3] DETAILS OF POWER ON SEQUENCE
The rise of the output voltage is defined as the point at which
10% output voltage is reached.

1. Sequence of Relay ON (IN)

ON
AC
AC_DET
ON
RELAY
*1 For details on the rise sequences
STB
of Standby power voltages, see the
following diagrams.
t1b
*2 For details on the rise sequences
t2b
VCC
of Vcc power voltages, see the following
diagrams.
Relay ON
Item Specified Time
AC to STB
RELAY to VCC

2. Rise sequence of Standby power voltages

STB3.4V
t1'
STB5.1V
<Specified time and difference of voltages>
Rise
Item
STB5.1V to STB3.4V
Item Specified difference of voltages
STB3.4V - Control signal (*)
(*) Control signals (output signals) denote AC_DET and PD_TRG signals.
5
6
t1b 0.8s
t2b 0.5s
--- : Control signals (*)
Specified Time
-50ms t1' 50ms
ΔV 1
0 V
6
7

3. Rise sequences of Vcc power voltages

VCC
t2' t2"
<Specified time of voltages>
Rise
Item
V+17V to V+12V
V+12V to V+6.5V
4. Specifications of the rise time of the output
voltages (common to all sequences)
Note that there must not be any temporary voltage drop during
rising.
Rise time (time required for reaching from
10% to 90% output voltage)
Item
STB 10% to STB 90%
VCC 10% to VCC 90%
KRP-M01
7
8
V+17V
V+12V
V+6.5V
Specified time (at nominal load)
0ms t2' 10ms
0ms t2" 10ms
Specified time
tr_STB 100ms
tr_VCC 200ms
8
A
B
C
D
E
F
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