Focus Adjustment; Digital Convergence Adjustment; Convergence Specification - Sony Trinitron HMD-A240R Service Manual

3-6. FOCUS ADJUSTMENT

1. Adjust Focus (V) and Focus (H) for optimum focus.

3-7. DIGITAL CONVERGENCE ADJUSTMENT

Convergence (Low) Mode
1. Adjust the H.STAT and V.STAT with "HSTAT" and "VSTAT".
2. Change "CONV_SW" to "7".
A. Horizontal Convergence
YBH-T-LO
CBH-T-LO
9
MBH-T-L-LO
17
1
APH-L-LO
MBH-B-L-LO
19
CBH-B-L-LO 11
YBH-B-LO
Adjust each misconvergence point in sequence.
B. Vertical Convergence
V STAT-T-LO
CCV-T-L-LO
13
21
MCV-T-L-LO
XBV-L-LO
3
23
MCV-B-L-LO
CCV-B-L-LO 15
V STAT-B-LO
Adjust each misconvergence point in sequence.
3. Repeat the procedure of A and B so that the convergence of the
entire screen is within the specification.
Focus (V)
Focus (H)
10 CBH-T-R-LO
5
18
MBH-T-R-LO
2
APH-R-LO
HSTAT
20
MBH-B-R-LO
6 12 CBH-B-R-LO
14
7 CCV-T-R-LO
22
MCV-T-R-LO
4 XBV-R-LO
V STAT
24
MCV-B-R-LO
16
8
CCV-B-R-LO
Convergence (High) Mode
1. Adjust the H.STAT and V.STAT with "HSTAT-HI" and "VSTAT-HI".
A. Horizontal Convergence
CBH-T-HI
9
MBH-T-L-HI
17
1
APH-L-HI
MBH-B-L-HI
19
CBH-B-L-HI 11
Adjust each misconvergence point in sequence.
B. Vertical Convergence
CCV-T-L-HI
13
21
MCV-T-L-HI
XBV-L-HI
3
23
MCV-B-L-HI
CCV-B-L-HI 15
Adjust each misconvergence point in sequence.
2. Repeat the procedure of A and B so that the convergence of the
entire screen is within the specification.
3. Change "MCR2" to "170".

3-8. CONVERGENCE SPECIFICATION

B
A
312 mm
— 13 —
YBH-T-HI
10 CBH-T-R-HI
5
18
MBH-T-R-HI
2
APH-R-HI
HSTAT-HI
20
MBH-B-R-HI
6 12 CBH-B-R-HI
YBH-B-HI
V STAT-T-HI
14
7 CCV-T-R-HI
22
MCV-T-R-HI
4 XBV-R-HI
V STAT-HI
24
MCV-B-R-HI
16
8
CCV-B-R-HI
V STAT-B-HI
A Zone:
Primary Mode Others
H: < 0.25 mm H: < 0.3 mm
V: < 0.25 mm V: < 0.3 mm
B Zone:
Primary Mode Others
H: < 0.3 mm H: < 0.4 mm
V: < 0.3 mm V: < 0.4 mm
HMD-A240R