Schematic Diagram For Hlf9007A & Hlf9008A Main Boards, Power Control Section - Motorola M11URD6CB1_N Service Manual

VAG
R705 R702
3.3K 22K
C702
39PF
VFORWARD
C701
39PF
SW_B+
SW_B+
TEMP
C724 R727
0.1uF 22K
9V3 9V3
R725
R721 C722
10K 5.6K
39PF
R722
PA_TEMP
22K
C725
R723
39PF
100K
SPI_DATA_SRC
DAC_CE
SPI_CLCK_SRC
PA_ENABLE
Q741
K9.1_ENABLE
R711
22K
C711
SW_B+
22NF
C703
39PF
6
4
R704
7 9
5
22K
11 U701 10
LM2902
C727
0.1uF R706
200K
R726
C726 C723
39PF 39PF
10K
CR721
R714
100
VAG
11
R724
12
14
3.3K
9V3
13
LM2902
4
U701 C731
PA_PWR_SET
0.1uF
U702
MC144111
16
VDD
2
Q1-OUT
1 4
DIN Q2-OUT
11
Q3-OUT
13
Q4-OUT NC
6
ENABLE_
3
NC
R1-OUT
10 5
CLOCK NC
R2-OUT
12
NC
R3-OUT
14
NC
R4-OUT
8
NC NC1
9 15
NC NC2 DOUT NC
VSS
7
9V3
R741
Q742
1.5K
R742
C741
R743
1.5K
1K 39PF
C714
39PF
R712
2.2K
SW_B+
4
R713
8
U701 510
11
LM2902
C712
0.1uF
R728 R729
R718
R703
10.0K
22K
100K 100K
R717 R719
SW_B+
1K
3.74K
2
4
1
C713
3
39PF
U701 11
LM2902
R716 R715
3.74K 1K
R720
10.0K
R730
100K
R731
100K
R740
2.2K
R734
4.7K
R732 R733
4.7K 4.7K
R736
Q731
4.7K
R737
4.7K
Schematic Diagram for HLF9007A & HLF9008A Main Boards,
June, 2000
PA_CNTRL
CURRENT_SENSE-
CURRENT_SENSE+
K9.1
Power Control Section
7
6880905Z99-O