72
TECHNICAL SPECIFICATION
GTP-740
5.
Channel difference (L-ch & R-ch)
1kHz
dB
0±0.65
6.
Frequency response
input=2V, output=2Vrms, 1kHz ref.
20Hz
dB
0±0.8
20kHz
dB
0±0.8
7.
Headphone THD
input=2Vrms, output=4Vrms
1kHz
%
≤
0.08
w/20KHz LPF
8.
Headphone level
output level (L-ch & R-ch)
1kHz
V
2.0±0.2
max. vol input=150mV
GENERAL AUDIO SPECIFICATION - 5
DTS (CD Music Demonstration and Set-up Disc)
Input source: Digital input
Volume: Max. vol
Specification Details
Track.
Unit
Limit
1.
Output level
6 (1kHz)
Vrms
2.0±0.2
(FL, FR, C, SL, SR) at config.1
2.
Channel difference, FL set ref.
6 (1kHz)
dB
±1.0
(FR, C, SL, SR) at config.1
3.
Harmonic distortion
(FL, FR, C, SL, SR) at config.1
6 (1kHz)
%
≤
0.06
W/ 20 KHz LPF
4.
Frequency response (20Hz to 20kHz)
(FL, FR, C, SL, SR) at config.0
15
dB
±0.08
5.
Subwoofer output level
(set 1kHz as ref at FL) at config.1
6 (1kHz)
dB
-1.2±0.5
SURROUND MODES
Surround mode: prologic (FL, FR, C, SL and SR channels)
Input source: Analog input
Speak size: preset 1
Input level: 2.0Vrms
Output level: 4.0±0.5Vrms
Specification Details
Freq.
Unit
Channel
Limit
1.
Channel separation
Input mode: L, R
Measure output at unexpected
1kHz
dB
R, L
≥
45
output channel
1kHz
dB
C
≥
30
1kHz
dB
SL, SR
≥
35
Input mode: L=-R
Measure output at unexpected
1kHz
dB
R, L
≥
30
1kHz
dB
C
≥
30
Input mode: L=R
Measure output at unexpected
1kHz
dB
L, R
≥
20
1kHz
dB
SL, SR
≥
30
2.
Frequency Response
Input mode: L, R
input level=2V
20Hz
dB
L, R
0±0.8
(1kHz ref.)
20kHz
dB
L, R
0±0.8
Summary of Contents for GTP-740
Page 38: ...GTP 740 39 40 AUDIO BOARD PCB LAYOUT POWER BOARD...
Page 39: ...GTP 740 42 41 AC3 BOARD Bottom View PCB LAYOUT AC3 BOARD Top View...
Page 40: ...GTP 740 43 44 PCB LAYOUT KEYBOARD Top View KEYBOARD Bottom View...
Page 41: ...GTP 740 45 46 PCB LAYOUT S VIDEO BOARD VIDEO BOARD VOL BOARD PHONE BOARD...
Page 42: ...GTP 740 47 48 PCB LAYOUT TUNER BOARD CPU BOARD Top View CPU BOARD Bottom View AC OUTLET BOARD...
Page 43: ...GTP 740 49 50 SCHEMATIC DIAGRAM AC3 DSP...
Page 44: ...GTP 740 51 52 SCHEMATIC DIAGRAM TUNER Front End Data Ports...
Page 45: ...54 53 SCHEMATIC DIAGRAM GTP 740 S_VIDEO INPUTS SELECTOR OSD CONTROLLER...
Page 46: ...55 56 SCHEMATIC DIAGRAM GTP 740 KEYBOARD...
Page 47: ...58 57 SCHEMATIC DIAGRAM GTP 740 COMPOSITE VIDEO REMOTE...
Page 48: ...60 59 SCHEMATIC DIAGRAM GTP 740 AUDIO I O...
Page 49: ...62 61 SCHEMATIC DIAGRAM GTP 740 CHANNELS OUTPUT...
Page 50: ...63 64 SCHEMATIC DIAGRAM GTP 740 AUDIO BOARD VOLUME MOTOR PORT...
Page 51: ...66 65 SCHEMATIC DIAGRAM GTP 740 POWER SUPPLY...
Page 52: ...67 68 SCHEMATIC DIAGRAM GTP 740 TUNER Audio Outputs S VIDEO BALL SYSTEM ON OFF SELECTOR...
