Pioneer AVH-P5700DVD Service Manual page 178

1
BD6171KV
- Block Diagram
A
EN1 32
EN2 33
EN3 34
EN4 35
EN5 36
21
17
B
16
15
14
26
C
20
19
18
2
D
27
44
1
37
38
E
39
40
F
178
1
2
42 41
VCC DVCC
VREF
3V
VREF
SS1
SOFT
START
+
ERROR AMP
1V
+
INV1
-
FB1
+
-
OCPC1
2V
VO1DET
SOFT
INVERT
START
SS2
+
ERROR AMP
+
-
INV2
FB2
+
-
OCPC2
2V
VO2DET
RT
OSC
SYNC
DELAY
OSCILLATOR
PVCC5
EN5
OUT5
CP
NEG
5VREG
FB5
+
VREGA
-
VREF
+
-
0.6V
PGND5
SGND
VO5DET
29 30
AVH-P5700DVD/EW
2
3
EN3
-
+
1V
VREGA
-
+
0.6
EN1
FET
DRIVER
- PWM
LATCH
+
RESET
VREGA
- -
+ +
0.6V
EN2
FET
DRIVER
-
PWM
LATCH
+
RESET
VREGA
- -
+ +
0.6V
OUT
TSD UVLO
EN4
CP
POS
DVCC
+ -
VREGA
- +
1V
-
+
0.6V
DGND GND
VREGA VO4DET
43 31 3
3
4
PVCC3
23
22
OUT3
FB3
24
VO3DET
25
PVCC1
11
VREGB
9
OUT1
10
GATE
CRAMP
12
CL1
13
VS1
6
PVCC2
7
OUT2
5
CL2
4
VS2
OUT
PVCC4
48
OUT4
47
46
FB4
PGND4
45
28
4