Sharp 50NP4 Service Manual page 87

Projection color television
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PRODUCT SAFETY NOTE: Components marked with a
and shaded have special characteristics important to
safety. Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE of this Service
Manual. DonÕt degrade the safety of the receiver through improper servicing.
1
Circuit
Pin
Voltage
No.
No.
VDC
B
3.4
Q801
C
8.4
E
2.9
B
8.6
Q802
C
9.2
E
8.4
B
9.1
Q803
C
172
E
8.6
B
172
Q804
C
1
E
172.7
B
1.7
Q812
C
1
A
E
1
B
3.4
Q851
C
8.3
E
2.9
B
8.6
Q852
C
9.2
E
8.3
B
9.1
Q853
C
159.6
E
8.6
B
159.6
Q854
C
1.1
E
160.3
B
161.3
Q855
C
222
E
160.9
B
1.9
Q858
C
0
E
2.5
B
2.5
Q859
C
9.2
E
1.9
B
1.8
Q862
C
1.1
E
1.1
B
3.5
Q8A1
C
8.3
E
3
B
8.6
B
Q8A2
C
9.2
E
8.3
B
164.5
Q8A4
C
1.1
E
164.9
B
165.9
Q8A5
C
222
E
165.3
B
3.1
Q8A6
C
0
E
2.9
B
3.7
Q8A7
C
9.2
E
3.1
B
0
Q8C1
C
9.1
E
0
B
1.7
Q8C2
C
1.1
E
1
C
D
E
1
BASIC CIRCUIT DIAGRAM
2
3
27
22
All DC voltage to be measured with a tester (100k /V). Voltage taken on a complex color bar signal including a standard color bar signal.
Since this is a basic circuit diagram, the value of the parts is subject to be altered for improvement.
2
3
85
4
5
22
CPT
4
5
CPT
VM
6
A
B
C
D
E
6

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