HP 5501B Operating And Service Manual page 9

8-97. Dividers Ⓑ..............................................................................................................................8-32
8-99. State Machine Ⓕ....................................................................................................................8-33
8-105. Liquid Crystal Ⓓ.....................................................................................................................8-34
8-109. Photodiode and Amplifier Ⓔ..................................................................................................8-34
8-111. Warmup Error Amplifier and Comparator Ⓙ .........................................................................8-34
8-114. Subtracting Sample and Hold Ⓗ ...........................................................................................8-34
8-118. A1/A3 Power Amplifier Ⓘ .......................................................................................................8-35
8-121. Reference Receiver Ⓛ ...........................................................................................................8-36
8-125. Line Driver Ⓚ..........................................................................................................................8-36
8-127. Power-On Reset (POR) Ⓖ......................................................................................................8-36
8-129. Laser Head Power Ⓒ .............................................................................................................8-36
8-131. A4 Sampler Board..................................................................................................................8-36
8-133. A3 CONTROLLER/REFERENCE BOARD TROUBLESHOOTING ..........................................8-37
8-135. Standard Troubleshooting Procedures .................................................................................8-37
8-137. Digital Troubleshooting..........................................................................................................8-38
8-140. Photodiode and Amplifier Troubleshooting ...........................................................................8-41
8-142. Liquid Crystal Troubleshooting..............................................................................................8-42
8-144. Subtracting Sample and Hold Troubleshooting ....................................................................8-42
8-146. Power Amplifier Troubleshooting...........................................................................................8-44
8-148. Warm-Up Error Amplifier Troubleshooting ............................................................................8-46
8-150. Power Supply Troubleshooting .............................................................................................8-46
8-152. Reference Receiver Troubleshooting.....................................................................................8-47
9 SERVICE NOTES .................................................................................................................................9-1
9-1. Service Note 5501-02A July 2001 ............................................................................................9-1
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