Sony GV-A500E, Service Manual

Page: 71 / 127

5-12
5-3. VIDEO SECTION ADJUSTMENTS
When performing adjustments, refer to the layout diagrams
for adjustment related parts beginning from page 5-46.
3-1. PREPARATIONS BEFORE ADJUSTMENT
The following adjusting instruments are used for adjusting the video
section.
3-1-1. Equipments to be Used
1) TV monitor
2) Oscilloscope: 2 phenomena, band 30 MHz or wider, with delay
mode. (Use a 10:1 probe unless specified otherwise.)
3) Frequency counter
4) Pattern generator with video output terminal
5) Digital voltmeter
6) Audio generator
7) Audio level meter
8) Audio distortion meter
9) Audio attenuator
10) Regulated power supply
11) Alignment tape
[For NTSC model]
• For tracking adjustment (WR5-1NP)
Part Code: 8-967-995-02
• For video frequency characteristics adjustment (WR5-7NE)
Part Code: 8-967-995-13
• For checking Standard 8 mode operations
For LP (WR5-4NL)
Part Code: 8-967-995-51
For SP (WR5-5NSP)
Part Code: 8-967-995-42
Note :
The following alignment tapes can also be used.
1) WR5-4NSP (8-967-995-41)
• For checking Hi8 mode operations
For SP (WR5-8NSE)
Part Code: 8-967-995-43
For LP (WR5-8NLE)
Part Code: 8-967-995-52
• For checking AFM stereo operations (WR5-9NS)
Part Code: 8-967-995-23
For checking BPF adjustment (WR5-11NS)
Part Code: 8-967-995-71
12) Remote commander for adjustment (J-6082-053-B)
13) CPC-7 jig
Part Code: J-6082-382-A
14) Power code Part Code: J-6082-223-A
15) AFM DEV jig (J-6082-312-A)
16) IR Receiving jig (J-6082-383-A)
[For PAL model]
• For tracking adjustment (WR5-1CP)
Part Code: 8-967-995-07
• For video frequency characteristics adjustment (WR5-7CE)
Part Code: 8-967-995-18
• For checking Standard 8 mode operations
For LP (WR5-4CL)
Part Code: 8-967-995-56
For SP (WR5-5CSP)
Part Code: 8-967-995-47
Note :
The following alignment tapes can also be used.
1) WR5-3CL (8-967-995-36)
2) WR5-4CSP (8-967-995-46)
• For checking Hi8 mode operations
For SP (WR5-8CSE)
Part Code: 8-967-995-48
For LP (WR5-8CLE)
Part Code: 8-967-995-57
• For checking AFM stereo operations (WR5-9CS)
Part Code: 8-967-995-28
For checking BPF adjustment (WR5-11CS)
Part Code: 8-967-995-76