Schematics And Supporting Information; H7 Board Schematic Diagram - HP P4819 Service Manual

4-4. SCHEMATICS AND SUPPORTING INFORMATION

H7 BOARD SCHEMATIC DIAGRAM

1 |
A
(FRONT PANEL)
—
R1401
R1400 R1402
220 220
100
:RN
:RN :RN
B
S1405 S1404 S1402
OK CONT- BRT+
—
Q1400
DTC114ESA-TP
R1421
LED DRIVE
10k
:RN
R1406
R1424
150
22k
C
Q1401 :RN
DTC114TSA
R1407
LED DRIVE
220
G A
POWER
D1400
SML79423C-TP15
—
D
—
H7
[Front Panel]
CONDUCTOR SIDE
E
� �
—
�
2 | 3 | 4
R1422 R1423
22k 22k
C1404
0.01
Q1402
DTA124ESA
C1403
0.01
D1403
1SS119
D1402
R1408
R1403
1SS119
470
100
:RN
FB1401 0UH
FB1402 0UH
R1404 FB1403 0UH
S1400 S1401
470
:RN
+ - C1401
R1409
47
100k
16V
C1498
0.1
R1419
TH1400
FB1404
100k
JW5MM
FB1405
INPUT1
C1407
R1420 JW5MM
47
10k
2 FB1406
16V
1 JW5MM
S1403 3
C1400
10
INPUT2
9-978-996-01<21CR1>H7
� �
| 5 |
TO MAGNETIC
SENSOR
CN1401
5P
GND
1
VY
2
VX
3
+5V
4
+12V
5
C1405 CN1400
47 14P
16V
:S-MICRO(L)
+12V
1
WAKE UP
2
KEY SCAN
3
LED 1
4
LED 2
5
TO D BOARD
6 GND
CN1103
+5V
7
8 INPUT SW
:B
GND
9
10 GND
GND
11
12 T_AMB
TO N BOARD
VY
13
CN1003
VX
14
� �
— 23 —
�
P4819