Pioneer AVH-P7800DVD/UC Service Manual page 253

5
S-1132B25-U5
VIN
S-1132B15-U5
VOUT
OZ961ISN
1
CTIMR
+
OVP
2
-
OVP
hys.
COMP
3 +
ENA
ENA
ACTIVE
-
"HIGH" hys.
COMP
4
SST
VCCA
5
Reference
VCCA
sub.
6
GNDA
2.50 V
7
REF
8
RT1
-
9
FB
EA
SST/2.5
+
1.25 V
10
CMP
5
6
5
Overcurrent
protector
+
ON/OFF
circuit
-
Reference
voltage circuit
1 2
VSS
I = 3 uA
I = 6 uA
Protection
Soft
Start
POFF
+
SST2
-
POFF
3 V
-
OPLAMP
+
AVH-P7800DVD/UC
6
7
ON/OFF
4
3
NC
NDR_B
PDR_A
HF
OSC
Burst-
Mode
ZVS
Control
Phase-Shift
Controller
PDR_C
NDR_D
7
8
20
NDR_B
19
PDR_A
18
CT
17
RT
16
PGND
15
LCT
14
DIM
13
LPWM
12
PDR_C
11
NDR_D
253
8
A
B
C
D
E
F