Sony WRT-807B, Service Manual

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3-1
WRT-807B (U/CE)
Section 3
Electrical Alignment
3-1. Equipment and Tools
Equipment Required
Name Specifications Model Name
DC Power Supply Output regulated voltage : 0 to 5 Vdc, 2 A _
DC Ammeter Measurement range : 300 mA _
Spectrum Analyzer Frequency : 10 kHz to 4 GHz ADVANTEST R3371B or equivalent
Modulation Analyzer RF input Frequency : 150 kHz to 3 GHz ANRITSU MS616A or equivalent
RF Power Meter Range : 3 u W to 100 mW HEWLETT PACKARD 435B (with Power sensor HEWLETT
with Power sensor PACKARD 8482A) or equivalent
Audio Analyzer Oscillator : 20 Hz to 100 kHz HEWLETT PACKARD 8903B (with A-weighted filter) or equivalent
Distortion meter
S/N meter
Level meter
Frequency Counter Frequency : 10 Hz to 1000 MHz HEWLETT PACKARD 5385A or equivalent
Effective digits : 10 digits
Resolution : 0.1 Hz
Oscilloscope Frequency : DC to 10 MHz _
1
Digital Volt Meter Effective digit : 3 / digits _
2
Tools Required
Name Part No. Remarks
SMA-BNC (J) connector J-6402-490-A For RF signal input
RF conversion connector J-6402-400-A For RF signal input
AF input cable _ For AF signal input
Refer to the “How to make a AF input cable”.
Adjustor (0.4 x 1.3 mm) 7-721-052-81
LRT driver J-6402-350-A For Grip A removal
How to make a AF input cable
Required parts
AF input connector ;1 (Part No. J-6402-470-A)
Cable with BNC connector ; 1 (Part No.1-555-758-00)
1 pin (black) 2 pin (white)
Solder.
Shield
3 pin (orange)
Cable with BNC connector
AF input connector (female)