<TUNER SECTION><DECK SECTION>
1. AM VT Adjustment6. Head Azimuth Adjustment
Settings: Y Test point: TP1 (VT)
Settings: Y Test Tape: TTA-320 (TTA-113B, TTC-152)
Y Adjustment location: L4Y Test point: J201 (PHONES Jack)
Method: Set to AM 1710 kHz and adjust L4 so that the test pointY Adjustment location: Head Azimuth Adjustment
becomes 6.0 ? 0.04 V.
Screw
Method:Playback the 10 kHz signal of test tape and adjust screw
2. AM Tracking Adjustment
L3 ...............................................................................so that the output becomes maximum.600 kHz
TC1 .......................................................................... 1400 kHz
3. AM IF Adjustment
L7 ............................................................................... 450 kHz
4. FM VT Adjustment
Settngs: Y Test point: TP1 (VT)
Y Adjustment location: L6
Method: Set to FM 108.0 MHz and adjust L6 so that test point
becomes 6.0 ? 0.04 V.
5. FM Tracking Adjustment
L2, L5 ......................................................................98.0 MHz
PRACTICAL SERVICE FIGURE <HR Model>
<TUNER SECTION><DECK SECTION>
<FM SECTION>Tape speed :3000 Hz ? 90 Hz
IHF Sensitivity :Less than 18 dBWow & flutter :Less than 0.35%
(IHF, THD 3%)(87.5 / 98.0 / 108.0 MHz)(JIS RMS)
Signal to noise ratio :More than 52 (w/o Flutter) dBTake-up torque :30 ~ 55 g-cm
(Input - 60 dB)(98.0 MHz)(FWD, PLAY)
Distortion :Less than 3.0%F.F & REW torque :75 ~ 160 g-cm
(Input - 60 dB)(98.0 MHz)Back tension :2 ~ 7 g-cm
Stereo separation :More than 20 dB(FWD, REV)
(98.0 MHz)S/N ratio :More than 40 dB
Intermediate frequency : 10.7 MHz(PB, SPOUT, AC, DC)
More than 40 dB
<AM SECTION>(R/PB, SPOUT, AC)
Sensitivity :Less than 48 dBDistortion :Less than 3.0%
(S/N 10 dB)(600 kHz)(PB, 1 kHz)
Less than 46 dBLess than 5.0%
(1000 kHz)(R/PB, 1 kHz)
Less than 44 dBNoise level :Less than 35 mV
(1400 kHz)(PB, AC, DC)
Signal to noise ratio :More than 30 dBLess than 55 mV
(Input - 74 dB)(600/1000/1400 kHz)(R/PB, AC)
Distortion :Less than 3.0%Erasing ratio :More than 40 dB
(Input - 74 dB)(1000 kHz)
Intermediate frequency : 450 kHz
36
ACEC
