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Chapter
10
Part
Location Diagram and Checkpoints
10.1.3 Main Board Checkpoints
10.1.3.1 Power Supply and Signal Checks
Refer to the part location diagram for a rough location of parts on the board.
(1) Power supply
1. +3.3V
Allowable voltage is +3.3 ±0.165 V.
Check voltage at the + side of C28.
C28
10-6
Confidential
Copying Prohibited
(☞
10.1.1.A3
)
2. +5.0V
Allowable voltage is +5.0 ±0.25V.
Check voltage at the + side of C27.
(☞
10.1.1.A3
)
3. +12V
Powers the air unit drive.
Allowable voltage is +12 ±0.6V.
Check voltage at the + side of C26.
(☞
10.1.1.A3
)
4. +12VLCD
Powers the display backlight and analog power supply.
Allowable voltage is +12 ±0.6V.
Check voltage at the + side of C25.
(☞
10.1.1.A2
)
5. +24VT
Powers the thermal print head in the built-in thermal array recorder.
Allowable voltage is +24 ±1.2V.
Check voltage at the + side of C20.
(☞
10.1.1.A2
)
6. +24VM
Powers the motor in the built-in thermal array recorder.
Allowable voltage is +24 ±1.2V.
Check voltage at the + side of C5 or C6.
(☞
10.1.1.A1
)
C
20
NF6
+24VT
C5
C6
+
24VM
+
3.3V
C27
+
5.0V
C26
C27
+
12V
C25
C26
+
12VLCD
Summary of Contents for VaSera VS-1500
Page 12: ...Confidential Copying Prohibited x ...
Page 18: ...0 Chapter 1 Features 1 6 Confidential Copying Prohibited ...
Page 32: ...Chapter 4 Names of Parts of Equipment 4 6 Confidential Copying Prohibited ...
Page 42: ...Chapter 5 Maintenance 5 10 Confidential Copying Prohibited Diagonal Line Stripe ...
Page 178: ...Chapter 10 Part Location Diagram and Checkpoints Confidential Copying Prohibited 10 3 ...
Page 180: ...Chapter 10 Part Location Diagram and Checkpoints Confidential Copying Prohibited 10 5 ...
Page 191: ...Chapter 10 Part Location Diagram and Checkpoints 10 16 Confidential Copying Prohibited ...
Page 207: ...Chapter 11 Spare Parts List 11 16 Confidential Copying Prohibited ...