ELECTRICAL ADJUSTMENT
<TUNER SECTION>6. FM VT Adjustment
Settngs: Y Test point: TP1 (VT)
Y Adjustment location: L6
1. MW VT Adjustment
D TUNER C.B (Top View)Method: Set to FM 108.0 MHz and adjust L6 so that test point
Settings: Y Test point: TP1 (VT)
becomes 6.0 ? 0.04 V.
Y Adjustment location: L4
Method: Set to MW 1602 kHz and adjust L4 so that the test
point becomes 5.6 ? 0.04 V.7. FM Tracking Adjustment
L2, L5 ......................................................................98.0 MHz
2. MW Tracking Adjustment
L3 (MW ANT) ........................................................... 600 kHz
TC1 .......................................................................... 1400 kHz
<DECK SECTION>
L7
3. LW VT Adjustment
8. Head Azimuth Adjustment
Settings: Y Test point: TP1 (VT)
Y Adjustment location: L51Settings: Y Test Tape: TTA-320 (TTA-113B, TTC-152)
5
Method: Set to LW 288 kHz and adjust L51 so that the testY Test point: J201 (PHONES Jack)
point becomes 4.5 ? 0.04 V.Y Adjustment location: Head Azimuth Adjustment
L2
7
Screw
4. LW Tracking Adjustment
IC1Method:Playback the 10 kHz signal of test tape and adjust screw
L3 (LW ANT) ............................................................ 153 kHz
L9L5so that the output becomes maximum.
TC51 .......................................................................... 288 kHz
L6
65. AM IF Adjustment
L7 ............................................................................... 450 kHz
C78
L51L4
TP1
(VT)
TC1TC51
L3L3
(LW ANT COIL)(MW ANT COIL)
PRACTICAL SERVICE FIGURE
<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
3124(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)
DECK R/P/E HEAD
Sensitivity :More than 48 dBDistortion :Less than 3.0%
(S/N 10 dB)(600 kHz)(PB, 1 kHz)
More than 46 dBLess than 5.0%
(1000 kHz)(R/PB, 1 kHz)
More than 44 dBNoise level :Less than 35 mV
(1400 kHz)(PB, AC, DC)
Signal to noise ratio :More than 30 dBLess than 55 mV
88
(Input - 74 dB)(600/1000/1400 kHz)(R/PB, AC)
REVFWD
Distortion :Less than 3.0%Erasing ratio :More than 40 dB
(Input - 74 dB)(1000 kHz)
Intermediate frequency : 450 kHz
3132
ACEC
