Schematic Diagram - HP S7650 Service Manual

12.Schematic Diagram

P784B-2HPQ
CMPC 715A910-*-5
P803
1
2
HS
3
VS
R111 10 1/4W
4 Dscl
5 Dsda
6
P+P ZD107
7
ZD106
TZX5V1B
C160 C163 TZX5V1B
100p 100p
50V 50V
H802B
J3
Iscl
1
Gnd
2
Isda
3
12V
4
VF
5
CLP
6 C106
33u/50V
C111 C115
0.1uF 47uF 16V
5V
C105
0.1u 50V
R108 R109
IC102
4K7 4K7
1 8
2 7
5.08
3 6 R117 100
5.07
4 5 R143 100
5.08
M24C08
R186
2K
C164 D107
0.1uF
1N4148
50V
Dscl Dsda
Z D 1 0 5
D130
D152 D153
IN5817
TZX5V1B TZX5V1B TZX5V1B
R157 2.2K
R110
R156 2.2K
10 1/4W
X101
12MHz
C108
C107
IC101
22pF/50V NC
C103
D104
0.1 50V 1
NC V-I/P
2
0.12
+ 1N4148
Degauss H-I/P
JN2
3
5.08
RESET Rota.
R112
JW2 NC
5.08 4
VCC ABL
JN1
5
6K2
3.19
NC VE
JW1
6
Gnd NC
7
1 2 2.4
OscO HL
2.28 8
OscI H-out
C109
9
5.06
L101
0.1 Iscl V-out
5.07 10
3.3UH
50V
Isda NC
11
R100
5.01
W/P HE2
12
4K7
4.62
Pm1/Pm2 CS2
13
5.09
KEYA CS1
14
5.09
KEYB CS0
15
0.41
SENSE Led
16
NC Dscl
17
0.08
mute B+ Dsda
18
2.7
D101 PS ADO
19
VR NC ADI
4.7K
20
HR NC mute g1
R131
4.3K R139
R133
1K
4.3K
D106 1K
C121
R135 +
C120
+ 1UF 50V
1N4148 2.2K
1UF 50V
R106 A3
5V A1
TO TO
R134 4.7K
30K
A4 A2
D132
JN6 JW6
IN5817
JN5 JW5
R130
3.3K
ZD904
2.7K
R141
2.2K
R123 R125
2.2K
2.2K
C112
0.1uF
R128
C113
1K
R127
D933 100pF/50V
1K
J026
1N4148
2.2K
R181
R182
1.5K
3K
SW101
SW102 SW103
+
- MENU
+
C104
C162 100uF/25V
R132
1000/50V
100
R172
100
40
4.82 C130
39
4.28 100pF
R152 3.3K
38
1.36 50V
37 2.03
36
5.09
35
JW4
R167
R150
34
5.09
33
2.2K
0.65 2K2
32
0.05
D421
31
30 1N4148
5.09 >=80K low
29
5.09
JN4
R406
28
5.09
5V
100
R136 4.7K
27
5.23
26 0.54
25
4.18 R935 430
24 4.17
23
0.12
22
5.04
21
0.09
R180
150 1/4W
C446
R467
10K 100
LED1
50V
R179
330 1/2W
R153
3.3K
R114
6K2 1/4W
C146
+
10uF
50V C147
C114
1uF
100pF C467 +
10uF
50V
50V
SW104
EXIT
47
HP S7650
A4
A2
R119
D438
150K
1N5817
R403
R404
R402
100
100
3K 1/4W
C405
+ R611
1000uF
120K
C407 C408
C406
100
100
0.1UF
C613
0.15
50V
3.7 5.1 5.1 11 1.3 3.4 6.4 3.4
R405 3.6 3.4
100
STV9118
0.04
0.1 6.2 4 1.6 3.5
3.3 2.6 1.6
0.5
C403 C447 C409
R411
+
C614
1K8
R412 C435 10uF
22NF 4700 1000
100
R432
50V 100V 100V 4K7 0.01UF
10K
100V
C437
+
2.2UF
50V
FB401
ZD401
71A55-9-T
HZ2B2
R415
1K5
+ R437
3K3
Q401
2PC945
D412
1N4148
D604
R420
1N4148
4K7
R418 4.7K 1/4W
C434 R417 R416
+
12K 1/6W 2.4K 1/4W
4.7UF
BOUT
HOUT
EW
VOUT
VDF
D431 1N4148
D430 R450
1N4148
62k
12V
R609 120k
P15
R610
120K 1/4W J086
R615
43K
120K 1/4W
J074 R619
10K
91k
C607 R618
12nf/100V
JUMPER
C611 C610
R617
0.47 0.1
75K
50V 50V
0 5.2
1.9 4.9
3.6
R430
82K
1/4W
D411
0.3
7.9 1.8 4.8 0.38
BAV21
R431
C404
C943 6K2
1/4W
1500
100V
C412 C449
100
47NF/63V
50V
C444
R966
R970
0.1U
3K 1/4W
Jumper
50V
R968
C945
120K
0.1UF
1/4W C961
50V
0.068UF
C443 100V
+
D402
47uF
TZX3V0C
R972 R967
C947 22K 27K 1/4W
+
47UF 1/4W
VR902
30K
C946
0.1UF
250V
B+
R462 R969
47K 82K 1/4W
R994
C433 + D929
20K
22uF 50V UF4004 1/4W