Sony WRR-862A, Service Manual, Page: 15 / 96

3-1
WRR-862A/862B
Section 3
Electrical Alignment
3-1. Preparation
3-1-1. Equipment and Tools
Equipment
Name Specifications Model name
DC power supply + 3.00
±
0.02 Vdc output _
Signal generator Frequency : 100 kHz to 1040 MHz HEWLETT PACKARD 8657A or equivalent
DC volt meter (Multi Meter) Effective digits: 4 digits HEWLETT PACKARD 34401A or equivalent
Audio analyzer Frequency : 20 Hz to 100 kHz HEWLETT PACKARD 8903B or equivalent
Filter(included) : A-weighted filter
Frequency Counter Frequency : 1 Hz to 225 MHz HEWLETT PACKARD 53181A or equivalent
Noise meter Frequency: 10 Hz to 500 kHz MEGURO MN-445B or equivalent
Function generator 32.768 kHz (and 32.782 kHz) HEWLETT PACKARD 8904A or equivalent
signal (sine wave) can be generated.
Adjustment can be 0.1 Hz step the specification.
Mic amp Gain : 0 dB to 70 dB (with A-weighted filter)
_
Oscilloscope Frequency: DC to 30 MHz _
Tools
Name Part No. Remarks
AF Output Cable 1-574-041-12 Supplied with WRR-862A/862B
Adjuster (0.4 x 1.3 mm) 7-221-052-81 Screwdriver for adjustment
Connector 4P (Round type) 1-566-425-11
_