Pioneer AVIC-Z2/XU/UC Service Manual page 251

1
TC7MBL3244AFK
1OE 1
A
1A1 2
2B4 3
1A2 4
2B3 5
1A2 6
2B3 7
B
1A4 8
2B1 9
GND 10
C
1
CTIMR
2
OVP
3
ENA
D
ACTIVE
"HIGH"
4
SST
5
VCCA
6
GNDA
E
7
REF
8
RT1
9
FB
10
CMP
F
244
1
2
20 V
CC
1A1,2A1
19 2OE
18 1B1
1A4,2A4
17 2A4
16 1B2
1OE,2OE
15 2A3
14 1B3
13 2A2
12 1B4
11 2A1
OZ964ISN
+
OVP
Protection
-
hys.
COMP
+
ENA
-
hys.
+
COMP
SST2
-
VCCA
Reference
sub.
3 V
-
OPLAMP
3.35 V
+
-
EA
SST/2.5
+
1.25V
AVIC-Z1/UC
2
3
1B1,2B1
1B4,2B4
BR93L56FJ-W
NC
8
1
NC
I = 3 uA
I = 6 uA
Soft
Start
POFF
POFF
ZVS
Phase-Shift
Controller
3
4
GND DO DI
7 6 5
VCC : Power Supply
GND : Ground
CS : Chip select control input
SK : Serial data clock input
DI : Serial data input
DO : Serial data output
NC : Not used
2 3 4
VCC CS SK
NDR_B
20
NDR_B
19
PDR_A
PDR_A
18
CT
HF
OSC
17
RT
16
PGND
15
LCT
Burst-
Mode
Control
14
DIM
13
LPWM
PDR_C
12
PDR_C
11
NDR_D
NDR_D
4