26
SERVICE ADJUSTMENTS
1.4 SUB AGC ADJUSTMENT
Adjustment Preparation
(1) To prevent circuit temperature drift, the set must be warmed up before alignment longer than 10 minutes.
(2) Adjust the RF signal frequency and level accuracy to 623.25MHz and -50dBm.
Adjustment Procedure
(1) Press [MULTI PIC.] button to display sub picture, and receive the [Multi PIC.], ch27 China or ch40 CCIR (623.25MHz,
-50dBm) in adjustment mode.
(2) Select item No.12 in service menu by [
▲
] or [
▼
] key.
(3-1) When the value of AGC of NO.12 of the service menu is 235 or less than 235,
(3-1-1) Push [
►
] of remote control and set the AGC value becomes 235 or greater than 235.
(3-1-2)Push the [ENTER] button of remote control, then AGC adjustment is completed.
(4-2)When the value of AGC of NO.12 of the service menu is 235 or greater than 235.
(4-2-1) Set the value of AGC by [
◄
] of remote control to smaller than 235 at first.
(4-2-2) Then push [
►
] of remote control and set the AGC value again to greater than and as close as 235.
(4-2-3) Push the [ENTER] button of remote control, then AGC adjustment is completed.
Summary of Contents for C43-FD7000
Page 72: ...72 SERVICE ADJUSTMENTS SIGNAL SUB P W B IG02 IG03 IG04 IQ01 IQ02 IR01 Rear view IG01 I R 0 2 ...
Page 78: ...78 EXPLODED VIEW ...
Page 79: ...79 EXPLODED VIEW ...
Page 143: ......
Page 144: ......
Page 145: ......
Page 146: ......
Page 147: ......
Page 150: ......
Page 151: ......
Page 152: ......
Page 153: ......
Page 154: ......
Page 155: ......
Page 156: ......
Page 157: ......
Page 158: ......
Page 159: ......
Page 160: ......
Page 161: ......
Page 162: ......
Page 163: ......
Page 164: ......
Page 165: ......
Page 166: ......
Page 167: ......
Page 168: ......
Page 169: ......
Page 170: ...SIGNAL SIDE A P W B ...
Page 171: ...SIGNAL SIDE B P W B ...
Page 172: ...SIGNAL SUB SIDE A P W B ...
Page 173: ...SIGNAL SUB SIDE B P W B ...
Page 174: ...TUNER SIDE A P W B ...
Page 175: ...TUNER SIDE B P W B ...
Page 176: ...AUTO POWER AV INPUT CONVER SENSOR SW P W B ...
Page 177: ...CPT CONTROL AV NET LED P W B ...
Page 178: ...POWDEF P W B ...
Page 179: ......