Pioneer PRV-LX10 Service Manual page 77

5
2.59V
2.5 to 2.7V
-24.4V 0V
-24.3V
-26.7V
-25.1V
-26.8V
-25.8V
-25.9V -25.5V
There is the case that FL disappears
when touches it.
10.92V
0.94V
10.46V
0.45V
-22.2V
-31.2V
-31.2V
0.5V
1.18V
0.33V
11.7V
5.2V
4.5V
11.3V
-12V
-11.9V
5
6
DC - DC Converter
-28V → -24V
0V
0.1V
-23.4V
-25.9V
-26V
2 is N.
0.6V -1.8V
-26.2V -27.4V
DC - DC Converter
+12V → -28V
0.64V 11.6V
-0.32V 10.5V
11.5V
1.2V
11.8V -10.8V
-28.2V -28V
11.5V
0.5V
CAUTION : FOR CONTINUED PROTECTION AGAINST
RISK OF FIRE, REPLACE ONLY WITH
10.7V
SAME TYPE NO. ICP-N10, MFD BY ROHM
CO., LTD. FOR IC6.
6
7
I
PWRB(POLY) ASSY (DWZ1129)
0V
-1.2V
-23.4V
D10
(ORG)
STB ON
ON ON
D25
(YEL)
STB ON
ON OFF
∗1 : OFF at FAN is abnormal
∗2 : ON at access to HDD
-21.7V
-26.8V
-26.8V
CAUTION : FOR CONTINUED PROTECTION AGAINST
: The power supply is shown with the marked box.
PRV-LX10
7
8
D11 D12 D13
(ORG) (ORG) (ORG)
OFF OFF OFF
ON ON ON
D19 D24 D9
(ORG) (YEL) (ORG)
OFF ON OFF
∗1 ∗2
ON
RISK OF FIRE, REPLACE ONLY WITH
SAME TYPE NO. ICP-S2.3, MFD BY ROHM
CO., LTD. FOR IC8.
8
A
B
C
D
E
F
I
77