- IMPORTANT SERVICE SAFETY PRECAUTION
- SPECIFICATIONS
- PART NAMES
- DISASSEMBLY OF THE SET
- ADJUSTING PROCEDURE OF EACH SECTION
- INTEGRATED CIRCUIT TERMINAL ARRANGEMENTS
- TROUBLE SHOOTING
- CHASSIS LAYOUT
- SCHEMATIC DIAGRAM
- BLOCK DIAGRAM
- PRINTED WIRING BOARD ASSEMBLIES
- REPLACEMENT PARTS LIST
- PACKING OF THE SET
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LC-121M2E LC-150M2E
16 BELL f0 adjustment 1. Connect the oscilloscope to TP2851.
LC-121M2E LC-150M2E
1. Adjust BELL f0 so as to minimize the a-level.
17
Brightness adjustment (SECAM)
1. Input the standard colour bar signal (the same pattern as that of E-10CH) of SECAM into AV1. 2. Connect oscilloscope to TP821 (IC803, pin7, G output).
1. Adjust SECAM BRIGHTNESS, and adjust the black level of G output to DC 1.5±0.05V.
18
Unicolor adjustment (SECAM)
1. Input the standard colour bar signal (the same pattern as that of E-10CH) of SECAM into AV1. 2. Connect oscilloscope to TP821 (IC803, pin7, G output ).
1. Adjust SECAM UNICOLOR, and adjust so as to get 100% white-black level video component equal to 2.3± 0.05Vp-p.
19
Colour level adjustment (SECAM)
1. Input the standard colour bar signal (the same pattern as that of E-10CH) of SECAM into AV1. 2. Connect the oscilloscope to TP820 (B output).
Adjust SECAM COLOR so as to get the colour bar signal blue amplitude (black level - peak level) equal to 2.0V ±0.05Vp-p.
20
Tint adjustment (SECAM)
1. Input the standard colour bar signal (the same pattern as that of E-10CH) of SECAM into AV1. 2. Connect the oscilloscope to TP820 (B output).
1. Adjust SECAM TINT so as to get the colour bar signal magenta amplitude (black level-peak level) equal to 1.7V ±0.05Vp-p.
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