Sony HDCU-900 User Manual
Page 67
3-23 (E)
HDCU-900 MM
4. Return Level Adjustment (Pr)
Adjustment Procedure
1.
CONFIG button/MSU
→ ON
Set using MSU on the touch panel as follows.
[CCU] → [RET|SETTING] → RET1 : 2nd Slot (DIF-RET-1)
2.
Measuring point : TP31/extension board (VDA-55)
Measure level F. (about 1050 mV)
3.
CONFIG button/MSU
→ ON
Set using MSU on the touch panel as follows.
[CCU] → [RET|SETTING] → RET1 : 3rd Slot (VDA-RET-1)
4.
Measuring point : TP31/extension board (VDA-55)
Adjusting point :
1RV405 (G-1)/IF-789A/789P
Specifications :
G = F
5.
Measuring point : TP31/extension board (VDA-55)
Adjusting point:
1RV503 (G-1)/IF-789A/789P
Specifications :
H = 0
6.
Repeat steps 4 and 5 until the specifications are
satisfied.
5. Return Level Adjustment (Pb)
Adjustment Procedure
1.
CONFIG button/MSU
→ ON
Set using MSU on the touch panel as follows.
[CCU] → [RET|SETTING] → RET1 : 2nd Slot (DIF-RET-1)
2.
Measuring point : TP43/extension board (VDA-55)
Measure level J. (about 1050 mV)
3.
CONFIG button/MSU
→ ON
Set using MSU on the touch panel as follows.
[CCU] → [RET|SETTING] → RET1 : 3rd Slot (VDA-RET-1)
4.
Measuring point : TP43/extension board (VDA-55)
Adjusting point :
1RV406 (G-1)/IF-789A/789P
Specifications :
K = J
5.
Measuring point : TP43/extension board (VDA-55)
Adjusting point :
1RV502 (G-1)/IF-789A/789P
Specifications :
L = 0
6.
Repeat steps 4 and 5 until the specifications are
satisfied.
IF-789A/789P board (A side)
3-5. SD Signal System Adjustment (HKCU-901)
H
F, G
J, K
L
A
B
C
D
E
F
G
H
J
K
L
M
1
2
3
4
5
6
7
8
9
S706
S708
S101
S705
S202
S201
S707
1
1
1
R
V214
R
V216
R
V215
TP206
TP205
TP207
1
1
1
R
V204
R
V203
R
V202
R
V209
1
R
V207
1
R
V211
1
R
V208
1
TP202
1
1
1
1
1
R
V501
R
V503
R
V502
R
V405
R
V406
1
R
V402
1
R
V205
1
R
V210
1
R
V217
TP503
TP405
1
R
V401
1
R
V404