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Technical

Manual

 AM/FM STEREO TUNER

RT-961

Table of Contents

Specification......................................1
Parts List ...........................................2~5
Adjustment........................................7~8
PCB Assembly ..................................9~10
Schematic Diagram ..........................11~14

SHINSEN-BLD. 4F 10-10 SHINSEN-CHO, SHIBUYA-KU,
TOKYO 150-0045, JAPAN

Serial. NO.
Beginning

®

Quality  Uncompromised

Y-354A-0108/W

Specifications

FM Tuner

Usable Sensitivity:
14.2 dBf

50dB Quieting Sensitivity:
20.2 dBf (mono)
45.3 dBf (stereo)

Signal to Noise Ratio (at 65 dBf):
73 dBf (mono)
70 dBf (stereo)

Harmonic Distortion (at 65dBf):
0.2% (mono)
0.3% (stereo)

Frequency Response:
10 Hz-15 kHz, ±3 dB

Capture Ratio:
2.0 dB

Alternate Channel Selectivity:
47 dB (±400 kHz)

Spurious Response Ratio:
90 dB

Image Rejection Ratio:
80 dB

IF Rejection Ratio:
80 dB

AM Suppression Ratio:
55 dB

Stereo Separation
(100Hz/1 kHz/10 kHz):
40 dB/45 dB/35 dB

Output level:
1V

Antenna Input:
75 ohms unbalanced

AM Tuner

Usable Sensitivity:
500 µV/m

Selectivity:
25 dB

Harmonic Distortion:
0.5%

Image Rejection Ratio:
45 dB

Signal to Noise Ratio:
40 dB

Output level:
500 mV

Antenna Input:
Loop Antenna

General

Power Consumption:
10 watts

Power Requirements (AC):
115 volts, 60 Hz (USA version)
230 volts, 50 Hz (European version)

Weight:

3.7 Kg/8.2 lb.

Dimensions (W x H x D):
440 x 72 x 275 mm
17

3/8

" x 2

7/8

" x 10

7/8

"

Summary of Contents for RT-961

Page 1: ...ency Response 10 Hz 15 kHz 3 dB Capture Ratio 2 0 dB Alternate Channel Selectivity 47 dB 400 kHz Spurious Response Ratio 90 dB Image Rejection Ratio 80 dB IF Rejection Ratio 80 dB AM Suppression Ratio 55 dB Stereo Separation 100Hz 1 kHz 10 kHz 40 dB 45 dB 35 dB Output level 1V Antenna Input 75 ohms unbalanced AM Tuner Usable Sensitivity 500 µV m Selectivity 25 dB Harmonic Distortion 0 5 Image Reje...

Page 2: ...ING PRESET SCAN BAND TUNE PRESET 1 2 4 5 3 EXT REMOTE IN 12V TRIG IN FM RT TP TA AF STEREOTUNED AUTO MEMORY PRESET RDBS RDS AM FM STEREO TUNER MODEL NO RT 961 POWER CONSUMPTION 10 W RT 961 AM FM STEREO TUNER RT 961 AVIS RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR WARNING SHOCK HAZARD DO NOT OPEN Appearance ...

Page 3: ...OR W WIRE 5P L250 CN201 068 C 4734A05 CONNECTOR W WIRE 7P L180 CN11 068 C 4692A21 CONNECTOR W WIRE 8P L150 CS401 019 C 4357A03 COVER CAP D201 204 205 034 T1N4003 TB DIODE D209 302 034 T1N4148 86 DIODE GND201 069 C 4484A00 EARTH LUG C212 041 UTES1C101 FB ELECTROLYTIC CAPACITOR 16V100uF C211 041 UTES1C221 FB ELECTROLYTIC CAPACITOR 16V220uF C210 301 302 041 UTES1E470 FB ELECTROLYTIC CAPACITOR 25V47uF...

Page 4: ... CAPACITOR 10PF CL50 CR50 047 ECJ2VG1H121J CHIP CAPACITOR 120PF C54 047 ECJ2VG1H271J CHIP CAPACITOR 270PF C36 047 ECJ2VG1H331J CHIP CAPACITOR 330PF C43 047 ECJ2VG1H681J CHIP CAPACITOR 680PF CL52 CR52 047 ECJ2VG1H680J CHIP CAPACITOR 68PF CLU50 CRU50 047 ECJ2VG1H820J CHIP CAPACITOR 82PF RL57 RR57 055 ERJ6GEYJ152V CHIP RESISTOR 1 5K R35 055 ERJ6GEYJ182V CHIP RESISTOR 1 8K R01 04 06 055 ERJ6GEYJ104V C...

Page 5: ...01 021 2648601430 MICRO INDUCTOR 20 8mH 068 DM 2GM 0 MINI JUMPER PLUG C31 042 TP50V332J MYLAR CAPACITOR C30 48 042 TP50V223J MYLAR CAPACITOR C32 042 TP50V393J MYLAR CAPACITOR VR03 051 TRH063MCJ5R SEMI FIXD RESISTOR VR 220K VR01 051 TRH063MCS3R SEMI FIXD RESISTOR VR 4 7K VR02 051 TRH063MCS4R SEMI FIXD RESISTOR VR 47K C15 044 S50V470PJ STYROL CAPACITOR ANT01 067 SC0210586N TERMINAL ANTNNA QL08 QR08 ...

Page 6: ...9A00 POWER BOTTON 014 C 4550A02 UPPER COVER 014 4TQN 12B 6 BOTTOM BOARD 015 RP 392 PRINTED REAR CHASSIS 019 4TR 2418 UPPER COVER SPACER 019 4TSH 19 2 PLASTIC FOOT 50F 021 RLA145A00 AM LOOP ANTENNA 034 SEL1124R LED 069 C 4629A01 AC INLET 072 4TR 2489 3 5mm PLUG SHIELD CORD 072 4TR 3228 T TYPE ANTENNA 072 C 4620A01 AC CORD SET for STD 072 C 4622A01 AC CORD SET for AUSTRALIA 072 C 4623A01 AC CORD SET...

Page 7: ...urned ON on the display 3 Measure output level via Audio Signal Analyzer and make the level as standard 4 Turn FM Signal Generator Modulation on after modulating only R CH or only L CH at STEREO Multiplexer 5 Measure output level via Audio Signal Analyzer measure per a dB 6 If meaured output level is not lower than 40dB Adjust output level to minimum position with VR03 CH SEPA ADJ lower than 40dB ...

Page 8: ...tor RT 961 AM Frequency to 1404KHz or 1400KHz and measure output level 5 Adjust output level to maximum point with TC01 White Trimmer 6 Repeat above 2 5 steps 2 3 times until adusting to best output level 7 Adjust AM Signal Generator RT 961 AM Frequency to 999KHz or 1000KHz and measure output level 8 Adjust level to maximum position with T03 AM IFT C TUNED Level adjust AM Signal Generator Setting ...

Page 9: ...PCB Assembly Front PCB 016 E 1319A00 Main PCB 016 X 1320A01 04 ...

Page 10: ...PCB Assembly Tuner PCB 4002002300 Top Side View Tuner PCB 4002002300 Bottom View ...

Page 11: ...Wiring Diagram ...

Page 12: ...Schematic Diagram 1 ...

Page 13: ...Schematic Diagram 3 022 T 1065N01 ...

Page 14: ...Schematic Diagram 2 ...

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