Table of Contents
Advertisement
3-3. Video Signal System Adjustment
3-3-7. Color Bar Level Adjustment
Rank:
B
Equipment:
Oscilloscope
To be extended:
VA-156 board
Preparation
• BARS button/MSU-700 → "ON"
• VBS 1 OUT connector/CCU rear panel → 75 Z Termination
• S126 (TEST ON/OFF)/VA-156 board → "OFF"
Adjustment Procedure
1. Test point:
TP30 (GND: E8)/VA-156 board
Adjusting point: 1RV2031 (CB LEVEL-1)/
[For NTSC] A = 525 ±5 mV
Specification:
[For PAL]
2. Test point:
TP30 (GND: E8)/VA-156 board
Adjusting point: 1RV2032 (CB LEVEL-2)/
[For NTSC] B = 700 ±10 mV p-p
Specification:
3. Repeat the procedures 1 and 2 until the specification is met.
[For NTSC]
B
A
Note: After the adjustment, set as follows.
• S126 (TEST ON/OFF)/VA-156 board→ "ON"
RV20
CV341
CV1011
RV361
RV280 RV1011
RV360
LV1011
CV221
RV2037
RV2031
RV2032
S2032
CB MODE
TP30
RV2036
RV2035
TP31
H BLK
RV2034
S1891
TP32
E8
RV1892
S2301
RV2033
E7
SKIN SIG
RV1782
RV1783
RV1891
S1102
SEQ ON
S1101
RV1781
SEQ
CP1891
RV1961
RV1962
RV1965
TP29
RV1963
RV1967
S1962
S1892
RV1966
RV1964
S1961
RV761 RV1101
(PANEL SIDE)
VA-156 BOARD (COMPONENT SIDE)
3-8
VA-156 board
A = 700 ±10 mV
VA-156 board(NTSC only)
[For PAL]
A
RV341
RV270
RV135
RV12
E6
RV10
TP7
TP5
TP2
RV11
RV13
RV272
RV137
E1
RV342
TP4
RV271
RV651
RV521
RV343
TP13
RV350
E2
RV530
TP8
RV660
RV344
TP9
RV351
RV531
TP14
TP12
RV352
RV532
RV353
RV1506
RV662
RV1501
RV661
RV1503
RV1302
RV1502
E3
S1361
RV1301
RV1504
TP22
RV1505
S1362
RV1361
CV1501
S/U
TP16
E4
TP20
TP19
LV1601
RV1102
LV1361
TP18
S1501
TP21
(PAL)
RV1304
RV1601
RV1602
RV1303
RV1363
RV1362
RV1364
3-3-8. Color Bar White Balance Adjustment
Rank:
Equipment:
To be extended:
Preparation
• BARS button/MSU-700 → "ON"
Adjustment Procedure
1. Test point:
Adjusting point: 1RV2033 (R BAL)/VA-156 board
Specification:
A
2. Test point:
Adjusting point: 1RV2034 (B BAL)/VA-156 board
Specification:
A
TP26
E9
CV651 CV125
CV931
TP27
RV670
RV145
CV521
CV1
CV841
RV533
TP23
RV20
CV341
CV1011
E5
RV361
RV280 RV1011
TP24
RV360
CV221
RV2037
RV2031
S2032
CB MODE
RV2036
(PANEL SIDE)
VA-156 BOARD (COMPONENT SIDE)
RV2035
H BLK
A
Oscilloscope
VA-156 board
TP31 (GND: E8)/VA-156 board
A = 0 ±5 mV
525 mV p-p
TP32 (GND: E8)/VA-156 board
B = 0 ±5 mV
525 mV p-p
S126
S125
S221
RV1604
-
S1
R
Y
ON/OFF
-
SEL Y SEL
B
Y SEL
TEST
CV1603
RV931
RV1603
RV1
CV1602
RV125
RV221
TP1
TP25
RV841
RV136
RV270
RV135
RV12
E6
TP7
TP5
TP2
LV1011
RV272
RV137
E1
RV271
RV2032
RV651
RV521
TP13
TP30
RV350
RV530
RV660
TP31
TP9
TP34
E10
RV341
RV10
RV11
RV13
TP4
RV342
RV343
E2
TP8
RV344
RV351
CCU-700A
CCU-700AP
Advertisement
Table of Contents
