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Rotel RT-961 Technical Manual

Rotel RT-961 Technical Manual

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T echnical
Manual
Table of Contents
Specification......................................1
Parts List ...........................................2~5
Adjustment........................................7~8
PCB Assembly ..................................9~10
Schematic Diagram ..........................11~14
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
SHINSEN-BLD. 4F 10-10 SHINSEN-CHO, SHIBUYA-KU,
TOKYO 150-0045, JAPAN
Quality Uncompromised
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
" x 2
" x 10
3/8
7/8
7/8
®
AM/FM STEREO TUNER
RT-961
"
Serial. NO.
Beginning
Y-354A-0108/W

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Summary of Contents for Rotel RT-961

  • Page 1 Quality Uncompromised ® T echnical AM/FM STEREO TUNER RT-961 Manual Table of Contents Specification........1 Parts List ...........2~5 Adjustment........7~8 PCB Assembly ........9~10 Schematic Diagram ......11~14 Specifications FM Tuner AM Tuner Usable Sensitivity: Usable Sensitivity: 14.2 dBf 500 µV/m 50dB Quieting Sensitivity: Selectivity: 20.2 dBf (mono)
  • Page 2 DISPLAY AUTO TUNE/ PRESET MEMORY TUNING PRESET SCAN BAND OUTPUTS ANTENNA AM/FM STEREO TUNER WARNING: SHOCK HAZARD – DO NOT OPEN MODEL NO. RT-961 AVIS: LEFT RISQUE DE CHOC ELECTRIQUE–NE PAS OUVRIR POWER CONSUMPTION: 10 W TRIG REMOTE RT-961 RIGHT...
  • Page 3 Parts List 1/4 SYMBOL PARTS NO. DESCRIPTION PCB ASSY 016X-1320A01-04 JK301 066 4TR-2166#4 2P PIN JACK R301,315,RM102 053 CR14-101J-A CARBON RESISTOR 100R R201,210,303 053 CR14-103J-A CARBON RESISTOR 10K R302 053 CR14-123J-A CARBON RESISTOR 12K R207,314,316 053 CR14-102J-A CARBON RESISTOR 1K R204 053 CR14-222J-A CARBON RESISTOR 2.2K...
  • Page 4 Parts List 2/4 SYMBOL PARTS NO. DESCRIPTION TS401 022 T-1065N01 POWER TRANSFORMER CS401 044 DE1307E472M SPARK KILLER C305,306 044 S50V1000PG STYROL CAPACITOR 1000PF C309-312 044 S50V100PJ STYROL CAPACITOR 100PF Q302,303 032 TDTC323TS TRANSISTOR Q201,203 032 KRC107M TRANSISTOR Q202,204,QM101 032 KTC3198Y-AT TRANSISTOR Q301 032 KRA107M...
  • Page 5 Parts List 3/4 SYMBOL PARTS NO. DESCRIPTION 055 ERJ6GEYJ681V CHIP RESISTOR 680R 055 ERJ6GEYJ683V CHIP RESISTOR 68K 021 RLV152A00 COIL AM ANT 021 RLV154A00 COIL AM IFT 021 RLV155A00 COIL AM OSC 021 RLV157A00 COIL FM DET-A 021 RLV158A00 COIL FM DET-B TL06,TR06 021 RLV156A00 COIL MPX LPF...
  • Page 6 Parts List 4/4 SYMBOL PARTS NO. DESCRIPTION CPF105 068 S5B-PH-KS CONNECTOR POST CPF102,104 068 S7B-PH-KS CONNECTOR POST D101-108 034 T1N4148-86 DIODE C108 041 UTES1H220-FB ELECTROLYTIC CAPACITOR 50V22uF FL101 035 SVR12MM18 FL TUBE IC101 031 CXP82832-316Q IC102 031 AT24C16PC-2.7 XT101 023 CST10.0MTW RESONATOR SW101-123 061 C-4679A01...
  • Page 7 4. Confirm if 'STEREO' & 'TUNED' turns OFF when decreasing the output level slowly from 26dB to 25dB, 24dB ~~~. (Repeat the above 3. if not OFF in lower than 24dB.) 5. Push RT-961's TUNE UP or DOWN button "long" at Signal Generator Output Level 26dB and start Auto search. Confirm if search stops at FM Frequency 98.1MHz.
  • Page 8 3. Confirm if 'TUNED' turns OFF when decreasing the output level of AM Signal Generator slowly from 84dB to 80dB. 4. Push RT-961 TUNE UP or DOWN button "long" at AM Signal Generator Output Level 84dB and start AUTO search.
  • 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...