TA1343N Datasheet, PDF (15/26 Pages) Toshiba Semiconductor – TV SOUND PROCESSOR

TA1343N
Note
8
9
10
11
12
13
Input
Point
TP6
TP8
TP8
TP6
TP8
TP6
TP8
TP6
TP8
TP6
TP8
Test Condition
Meas.
Point
00
Bus Data (hexadecimal)
01 02 03 04 05 06
07
SW1
TP16 40 40 72 00 00 40 C0 10 (a) ·
/
·
C7
·
·
·
TP16 40 40 72 00 00 40 C7 10
·
·
(a) ·
·
·
TP13 40 40 72 00 00 40 C0 10
TP16
(a) ·
·
TP13 40 40 72 00 00 0E C0 10
TP16
/
72
·
(a) ·
·
·
·
·
·
TP13 40 40 72 00 00 40 C0 10
TP16 /
72
(a) ·
·
·
·
·
·
TP13 40 40 72 00 00 40 C0 10
TP16 /
0E
(a) ·
·
·
·
·
·
Set data of sub address 06 (h) to C0 (h).
Connect TP8 to GND and input signal (1 kHz,
500 mV_rms, sine wave) to TP6.
Measure amplitude of TP16 (v16₀ mV_rms).
Set data of sub address 06 (h) to C7 (h).
Connect TP6 to GND and input signal (1 kHz,
500 mV_rms, sine wave) to TP8.
Measure amplitude of TP16 (v16₁ mV_rms).
G SdB = 20log (v16₁/v16₀)
Connect TP6 to GND.
Input signal (400 Hz, 500 mV_rms, sine wave) to
TP8.
Measure phase between TP8 and TP16
(Ph 4 f deg.).
Input signal (1 kHz, 500 mV_rms, sine wave) to
TP6 and TP8.
Measure amplitude of TP13 and TP16
(v13 mV_rms, v16 mV_rms).
DG_LRdB = 20log (v16/V13)
Input signal (1 kHz, 500 mV_rms, sine wave) to
TP6 and TP8.
Set data of sub address 05 (h) to 0E (h).
Measure amplitude of TP13 and TP16
(v13_R mV_rms, v16_R mV_rms).
Set data of sub address 05 (h) to 72 (h).
Measure amplitude of TP13 and TP16
(v13_L mV_rms, v16_L mV_rms).
G_BLMIN R = 20log (v13_R/v16_R)
G_BLMIN L = 20log (v16_L/v13_L)
Input signal (100 Hz, 250 mV_rms, sine wave) to
TP6 and TP8.
Set data of sub address 00 (h) to 40 (h).
Measure amplitude of TP13 and TP16
(v13₀ mV_rms, v16₀ mV_rms).
Set data of sub address 00 (h) to 72 (h).
Measure amplitude of TP13 and TP16
(v13_B mV_rms, v16_B mV_rms).
G_BSMAX R = 20log (v13_B/v13₀)
G_BSMAX L = 20log (v16_B/v13₀)
Input signal (100 Hz, 250 mV_rms, sine wave) to
TP6 and TP8.
Set data of sub address 00 (h) to 40 (h).
Measure amplitude of TP13 and TP16
(v13₀ mV_rms, v16₀ mV_rms).
Set data of sub address 00 (h) to 0E (h).
Measure amplitude of TP13 and TP16
(v13_B mV_rms, v16_B mV_rms).
G_BSMIN R = 20log (v13_B/v13₀)
G_BSMIN L = 20log (v16_B/v13₀)
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2002-02-12