參數(shù)資料
型號(hào): TA1310N
元件分類(lèi): 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PDIP56
封裝: 0.600 INCH, 1.78 MM PITCH, SHRINK, PLASTIC, DIP-56
文件頁(yè)數(shù): 34/101頁(yè)
文件大?。?/td> 2221K
代理商: TA1310N
TA1310N
2001-06-25
38
(TEST CONDITIONS VCC = 9 V / 5 V, Ta = 25 ± 3°C)
SW MODE
NOTE
ITEM
SW54
SW55
SW56
MEASUREMENT METHOD
P14
Self-Diagnosis Y-IN
C
A
B
OPEN
1) Set the bus control data to the preset value.
2) Set SW54 to C (connect the Y input to AC-GND), connect #54 to an external power supply (PS), and turn read
mode on.
3) When the power supply is increased from V54 to V54 + 0.7 V, check that in read mode Y-IN changes from error to
OK to error.
SCDC
4) Next, set SW54 to A and input a sine wave from TG-7 to TP54. Apply a signal on #54 as shown in the diagram.
Check that there is no problem with the Y IN in read mode.
SCAC
P15
Y Mute
A
B
OPEN
1) Set the bus control data to the preset value.
2) Input a 100-kHz sine wave to TP54 and adjust #54 to 0.7 Vp-p.
3) Turn the Y mute on (1) and measure the #56 amplitude VYM1.
4) Turn the Y mute off (0) and measure the #56 amplitude VYM0.
5) Calculate the following formula.
GYM [dB] = 20 ×og (VYM1 / VYM0)
Note 1: When testing, see the picture sharpness test circuit diagram.
Note 2: Ensure the composite signal is always input to pin 38 (SYNC IN).
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