Pioneer avic-d1 Service Manual page 247

5
BD6171KV
- Block Diagram Chart
EN1 32
EN2 33
EN3 34
EN4 35
EN5 36
3V
21
VREF
SS1
17
START
+
1V
+
INV1
-
16
15
FB1
14 +
-
OCPC1
2V
26
VO1DET
SOFT
20
START
SS2
+
+
-
19
INV2
18
FB2
2 +
-
OCPC2
2V
VO2DET
27
RT
44
OSC
SYNC
1
OSCILLATOR
PVCC5
37
EN5
OUT5
CP
38
NEG
FB5
+
39
VREGA
-
+
-
0.6V
PGND5
40
VO5DET
5
6
42 41
VCC DVCC
VREF
SOFT
EN1
ERROR AMP
- PWM
+
RESET
VREGA
-
+
0.6V
INVERT
EN2
ERROR AMP
-
PWM
+
RESET
VREGA
-
+
0.6V
TSD
DELAY
5VREG DVCC
+
-
VREF
SGND DGND GND
VREGA
29 30 43 31 3
AVIC-D1/UC
6
7
EN3 PVCC3
23
-
+
1V
22
OUT3
FB3
24
VREGA
VO3DET
-
25
+
PVCC1
11
0.6
VREGB
9
FET
DRIVER
OUT1
10
LATCH
GATE
CRAMP
- 12
CL1
+
13
VS1
6
FET
PVCC2
DRIVER
7
LATCH
OUT2
-
5
+
CL2
4
VS2
OUT OUT
UVLO
PVCC4
48
EN4
OUT4
CP
47
POS
-
VREGA
+
1V
- 46
FB4
+
0.6V
PGND4
45
VO4DET
28
7
8
A
B
C
D
E
F
247
8