Electrical Alignment; Preparation; Equipment And Tools - Sony WRU-806B Service Manual

2-1. Preparation

2-1-1. Equipment and Tools

Equipment
Name
Signal generator
Spectrum analyzer
DC voltmeter (Multi meter)
Audio analyzer
RF millivoltmeter
Level meter
Noise meter
Tracking generator
Function generator
Microphone amplifier
Oscilloscope
Tools
Name
Adjuster (0.4 x 1.3 mm)
DC cut fixture
91 Z metal film resistor
MB-X6
How to make DC cut fixture
Required parts
BNC-J connector;
BNC-P connector;
Ceramic capacitor 0.001 uF ; 1 (Part No. 1-161-456-00)
Ceramic capacitor
BNC-J connector
0.001 uF 50 V (1-161-456-00)
(1-562-261-21)
Plated wire (0.6 to 0.8 ø)
Cut
3mm
2 mm
Solder
WRU-806B
Section 2

Electrical Alignment

Specifications
Frequency : 100 kHz to 990 MHz
Frequency : 10 kHz to 5 GHz
Effective digits : 4 digits
Frequency : 10 Hz to 100 kHz
Frequency : 10 kHz to 1 GHz
Frequency : 20 Hz to 100 kHz
Frequency : 10 Hz to 500 kHz
Filter (included) : A weighted filter
Frequency : 100 kHz to 2 GHz
32.768 kHz (and 32.782 kHz) ± 1 Hz
signal (sine wave) can be generated.
Gain : 0 dB to 70 dB
(with A weighted filter)
Frequency : DC to 30 MHz
Part No.
7-721-052-81
_
1-214-609-00
_
1 (Part No. 1-562-261-21)
1 (Part No. 1-560-257-11)
BNC-P connector
(1-560-257-11)
Model name
HEWLETT PACKARD 8656B or equivalent
ADVANTEST TR4173 or equivalent
_
HEWLETT PACKARD 8903B equivalent
MEGURO MV-19B, C (with 50 Z termination prove chip
MP-3109) or equivalent
_
MEGURO MN-445B or equivalent
ADVANTEST TR4153A or equivalent
HEWLETT PACKARD 8904A or equivalent
_
_
Remarks
For adjustment
Refer to "How to make DC cut fixture"
Tuner Base Unit
2-1