Marantz MM8003 - Page 10

8
For the product to start operating normally when the
power is turned on, the circuit connected to each input
port of _P DOWN, _P CUR FAIL, _P AMP FAIL, _P LINE
FAIL, _HEAT_DET_P, and _HEAT_DET_1 ~ 4 needs to be
operating normally.
Check
• TIMINGCHART:Normaloperationwhenthepoweris
turned on.
電源ON時に製品が通常動作を開始するためには下図の様な
Timingで_P DOWN, _P CUR FAIL, _P AMP_FAIL, _P LINE
FAIL, _HEAT_DET_P, _HEAT_DET_1 ~ 4
の各入力Portで接
続されている回路が正常動作している必要があります。
Check
• TIMING CHART :
電源ON時の正常動作。
Normal operation when the power is turned on
B POWER
SUPPLY: Lo
AC POWER SUPPLY: POWER ON
After 3.5 sec, the detection start
After 3.5 sec, the detection start
After 3.5 sec, the detection start
After 2 sec, the detection start
After 500 msec, the detection start
INCONSTANT
INCONSTANT
INCONSTANT
INCONSTANT
After 2 sec, _AVSS_DET monitoring start
_P_AMP_FAIL (41pin)
SPK_ON1 (16pin)
SPK_ON2 (15pin)
SPK_ON3 (14pin)
SPK_ON4 (13pin)
SPEAKER : OFF
_MUTE (51pin)
MUTE
：ON
AVSS_OUT (50pin)
B
電源 : Lo
_STANDBY1 (46pin)
_POWER_LED1
(37pin)
_P_DOWN (27pin)
_P_LINE_FAIL (45pin)
Hi : P_LINE = OK
Hi : P_AMP = OK
_STAND BY : CANCEL1 /
解除1
AC
電源 : ON
POWER LED1 : Flickering (every 0.5 sec) /
点滅(0.5 sec間隔)
①
3.5 sec後、検出開始
2 sec後、_AVSS_DETの監視開始（B電源 : Hi or Lo）
③
不定
不定
電源立ち上げ：正常時（
1-1）
7 sec
3.5 sec
2 sec
_P_CUR_FAIL (38pin)
500 msec
(OUT)
(IN)
(IN)
(IN)
(IN)
(OUT)
(OUT)
(OUT)
(OUT)
④
⑤
⑥
Hi : P_CUR = OK
2 sec
後、検出開始
500 msec後、検出開始
_STANDBY2 (47pin)
(OUT)
200 msec
②
_STBY_LED (52pin)
STAND BY LED : LIGHTS OUT /
消灯
(OUT)
POWER LED1 :
LIGHTS UP /
点灯
SPEAKER : ON
MUTE : OFF
100 msec
100 msec
_HEAT_DET_P(24pin)
Hi : Temperature = OK
3.5 sec
後、検出開始
不定
(IN)
⑦
Over1257mV : Temperature = OK
3.5 sec
後、検出開始
不定
(A/D)
⑧
_HEAT_DET_1 (48pin)
_HEAT_DET_2 (42pin)
_HEAT_DET3 (43pin)
_HEAT_DET_4 (30pin)
_STAND BY : CANCEL2 /
解除2