2-3.4. Screen-Corner Convergence; 2-3.5. Dynamic Convergence Adjustments - Sony Trinitron KV-29DRC420 Service Manual

Color television da-4 chassis trinitron series
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2-3.4. SCREEN-CORNER CONVERGENCE

Preparation:
• Input a cross hatch pattern signal.
1. Affi x a permalloy assembly corresponding to the misconverged areas.
a
b
a
b
a-d: screen-corner
misconvergence
c
d
c
d
2-3.5. DYNAMIC CONVERGENCE
ADJUSTMENTS
• Set dynamic convergence using the following service registers. Note
areas of change.
• Only H-component can be corrected, for vertical component use
permalloy to compensate.
0. YBWU (Upper Y-BOW)
B R
B R
1. YBWL (Lower Y BOW)
B R
B R
2. RSAP (Right H AMP)
R B
3. RUBW (Right Upper BOW)
B R
4. RUMB (Right Upper Middle BOW)
B R
KV-27HS420/29DRC420/30HS420/32HS420/34HS420/36HS420
KV-27HS420/29DRC420/30HS420/32HS420/34HS420/36HS420
5. RLBW (Right Lower BOW)
R B
6. RLMB (Right Lower Middle BOW)
B R
7. LSAP (Left H AMP)
B R
8. LUBW (Left Upper BOW)
B R
9. LUMB (Left Upper Middle BOW)
B R
10. LLBW (Left Lower BOW)
B R
11. LLMB (Left Lower Middle BOW)
B R
12. CADJ Fix 29
Page 24

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