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Technical

Manual

 STEREO RECEIVER

RX-1050

Table of Contents

Appearance.......................................2

Specifications....................................1

Wiring Diagram.................................11 

Adjustment........................................9 ~ 10

PCB Assembly.................................12 ~ 15
Schematic Diagram..........................16 ~ 22

Parts List...........................................3 ~ 8

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

Serial. NO.
Beginning

® 

Quality  Uncompromised

Y-358A-0112/W

THE ROTEL CO., LTD. 

Specifications

Audio

Continuous Amplifier Power

100 watts/ch (20-20k Hz, <0.05% THD, 8 ohms)

Total Harmonic Distortion
<0.05%

Inter modulation Distortion (60 Hz:7 kHz)
<0.05%

Frequency Response
10 Hz - 70 kHz, ±3 dB (line level)
20 Hz - 20 kHz, ±1 dB (phono)

Signal to Noise Ratio (IHF A-weighted)

Input Overload

92 dB (line level), 74 dB (phono)

5 V (line Input) 
120 mV (phono) 

Input Sensitivity/Impedance
Line Level: 160 mV/47 kohms
Phono Level: 2.5 mV/47 kohms

Tone Contr ols (Bass/T reble)
±8 dB at 100 Hz/10 kHz

Preoutput Level
1.0 V (160 mV Input)

V ideo

Frequency Response
3 Hz-10 MHz, ± 3 dB

Signal to Noise Ratio
45 dB

Input Impedance
75 ohms

Output Impedance
75 ohms

Output Level
1 volt

AM T uner

Sensitivity
500 u V/m

Signal to Noise Ratio
40 dBf

Output level
250 mV

Antenna Input
Loop Antenna

General

Power Consumption:
300 watts

Power Requirements (AC)
115 volts, 60Hz (USA)
230 volts, 50Hz (CE)

W eight

10.3 Kg

/ lb.

Dimensions (W x H x D)

432 x 121 x 362 mm

17

1/2 

" x 6 

1/4 

" x 15 

3/4 

"

FM Tuner

Usable Sensitivity
14.2 dBf

Signal to Noise Ratio (at 65 dBf)
70 dBf

Har monic Distor

tion (at 65 dBf)

0.03%

Stereo Separation (1 kHz)
45 dB

Output level
1.3 V

Antenna Input
75 ohms unbalanced

Summary of Contents for RX-1050

Page 1: ...74 dB phono 5 V line Input 120 mV phono Input Sensitivity Impedance Line Level 160 mV 47 kohms Phono Level 2 5 mV 47 kohms Tone Contr ols Bass T reble 8 dB at 100 Hz 10 kHz Preoutput Level 1 0 V 160 mV Input V ideo Frequency Response 3 Hz 10 MHz 3 dB Signal to Noise Ratio 45 dB Input Impedance 75 ohms Output Impedance 75 ohms Output Level 1 volt AM T uner Sensitivity 500 u V m Signal to Noise Rati...

Page 2: ...B SPEAKER IMPEDANCE MINIMUM A OR B 4 OHMS PER SPEAKER A AND B 8 OHMS PER SPEAKER This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions WARNING TO REDUCE THE RISK OF FIRE OR ELECTICAL SHOCK DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN SURROUND SOUND RECEIVER MODEL NO RX 1050 POWER CONSUMPTION 500 WATTS ...

Page 3: ...L206 CR206 043 TC50VCH030 CERAMIC CAPACITOR 3pF RL227 228 RR227 228 054 1WS47JF METAL OXIDE FILM RESISTOR 47R RL235 245 247 RR235 245 247 054 NIR2 0 22JF NIR RESISTOR 0 22R RL220 226 230 RR220 226 230 054 TMF1000 METAL RESISTOR 100R RL201 RR201 R249 054 TMF1001 METAL RESISTOR 1K RL210 RR210 054 TMF1002 METAL RESISTOR 10K R246 054 TMF1003 METAL RESISTOR 100K RL212 223 RR212 223 054 TMF1201 METAL RE...

Page 4: ...APACITOR 4700pF CL319 CR319 042 TP50V562J MYLAR CAPACITOR 5600pF C105 109 043 TC500V103 CERAMIC CAPACITOR 0 01uF C366 369 043 TC50V101 CERAMIC CAPACITOR 100pF CL301 310 313 314 322 327 341 342 345 043 TC50V101 CERAMIC CAPACITOR 100pF CL348 350 351 353 354 357 043 TC50V101 CERAMIC CAPACITOR 100pF CR301 310 313 314 322 327 341 342 345 043 TC50V101 CERAMIC CAPACITOR 100pF CR348 350 351 353 354 357 04...

Page 5: ...1 2648701170 LINE COIL T502 022 T 1075N01 SUB TRANSFORMER XT601 023 CST10 0MTW CERAMIC RESONATOR 10MHz IC601 031 CXP82812 1 IC CPU MASKED CXP82832 333Q IC601 031 CXP828P60Q 1 IC CPU OTP IC405 031 HIN232CP IC TRANSMITTER RECEIVER IC501 031 K1A7805P IC REGULATOR IC403 404 031 LTV 817 IC PHOTO COUPLER IC406 407 031 NJU7312AL IC ANALOG SWITCH RMC601 031 SBX3010 52B IC REMOTE MODULE IC401 031 TC9163AN ...

Page 6: ... R408 410 412 414 428 054 TMF4700 METAL RESISTOR 470R R429 502 509 606 607 617 619 054 TMF4701 METAL RESISTOR 4 7K R621 632 638 054 TMF4701 METAL RESISTOR 4 7K R601 604 054 TMF4702 METAL RESISTOR 47K R507 054 TMF47R0 METAL RESISTOR 47R R503 054 TMF56R0 METAL RESISTOR 56R R406 409 411 416 419 054 TMF75R0 METAL RESISTOR 75R RO601 RO623 055 ERJ6GEYJ124V CHIP RESISTOR 120K SW601 056 C 4678A01 ENCODER ...

Page 7: ...uF C46 041 TUTES1HR22 TF ELECTROLYTIC CAPACITOR 50V0 22uF C30 48 042 TP50V223J MYLAR CAPACITOR 0 022uF C31 042 TP50V332J MYLAR CAPACITOR 3300pF C32 042 TP50V393J MYLAR CAPACITOR 0 039uF C38 043 TC50V101 CERAMIC CAPACITOR 100pF C37 043 TC50V820 CERAMIC CAPACITOR 82pF C16 043 TC50VCH150 CERAMIC CAPACITOR 15pF C09 043 TC50VCH270 CERAMIC CAPACITOR 27pF C08 043 TC50VCH330 CERAMIC CAPACITOR 33pF C15 044...

Page 8: ...ONT END 017 TZ3 07A00 HEAT SINKER BOARD 019 TO 126 MICA SHEET TBM 51W 15 9524 019 TO 3P MICA SHEET TBM 51W 15 9043 QL210 QR210 032 C4137 V TR QL215 216 033 A1492 OPY TR 2SA1492 OPY PAIR 2SC3856 QL213 214 033 C3856 OPY TR 2SC3856 OPY PAIR 2SA1492 CP204 034 436302122031 POSISTOR P43T7D120BW20 505 FRX 1050 FRONT PANEL ASSY 011 TH3 01A00 H S PANEL 012 C 4711A03 KNOB 43F 012 C 4751A00 KNOB 10F 012 RV4 ...

Page 9: ...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 10: ...r RX 1050 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 RX 1050 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 11: ...N101 TERMINAL B D CP101 18 P T Primary POW B D CP503 19 P T Secondary RED BLK MAIN B D CP102 20 P T Secondary WHT GRY MAIN B D CP101 25 H P B D CN105 MAIN B D CP105 26 WIRE CLAMPER 6 POINTS 21 P T Secondary ORG VIO POW B D CP504 22 AC INLET POWER B D CP501 23 POWER SW B D CN502 POW B D CP502 24 OUTLET B D CN505 POW B D CP505 OUTLET B D TERMINAL B D B D POWER TRANS MAIN B D POWER B D AMP B D CN603 ...

Page 12: ...PCB Assembly 1 4 Front PCB X 1323B Top Side 12 ...

Page 13: ...PCB Assembly 2 4 Front PCB X 1323 Bottom Side 13 ...

Page 14: ...PCB Assembly 3 4 Main PCB E 1322A00 14 ...

Page 15: ...PCB Assembly 4 4 Amplifier PCB 016 X 1321A00 Tuner PCB 4002002301 TOP SIDE BOTTOM SIDE 1 Added wire 15 ...

Page 16: ...Block Diagram 16 ...

Page 17: ... G11 G10 G11 G12 KEY_IN4 KEY_IN3 KEY_IN2 KEY_IN1 G9 G8 P20 P21 P22 15 12 13 14 11 9 10 8 4 5 6 7 3 1 2 34 37 25 27 35 26 23 24 31 32 33 30 28 29 22 36 19 20 21 18 16 17 38 39 40 41 42 43 44 P35 P35 G12 G9 G10 G11 45 46 47 48 49 51 50 P9 P8 P7 P6 P5 P4 P3 P2 P1 F2 F2 F1 C613 473C F1 G1 G2 G5 G6 G7 G8 G3 G4 G12 G9 G10 G11 G1 G2 G5 G6 G7 G8 G3 G4 P23 P24 P25 P31 P26 P27 P28 P29 P30 P32 P33 P34 P18 P1...

Page 18: ...RR305 INPUT OUT PUT PHONO CD VIDEO 1 VIDEO 1 VIDEO 2 VIDEO 3 VIDEO 2 VIDEO 4 TAPE TAPE_OUT Schematic Diagram Main PCB 1 2 016 X 1322A00 18 ...

Page 19: ...CN5P 15V 15V 7312_CLK 7312_DATA 3 4 2 AMPLIFIER B D 016 X 1321A00 CN203 POWER S CN201 CN202 CP201 SPEAKER A LEFT 016 X1323A02 016 X1323A02 RIGHT TO TERMINAL B D ZONE OUT LEFT RIGHT Schematic Diagram 3 6 Main PCB 2 2 016 X 1322A00 19 ...

Page 20: ...Z5V1 4K7 TO_MAIN B D LEFT OUT CP103 CP104 CN104 CP106 RIGHT OUT VCC FROM FROM FRONT B D MAIN B D IN_PUT Schematic Diagram 4 6 Amplifier Circuit 016 X 1321A00 CP5PZ CP201 3 4 1 2 5 L INPUT R INPUT 1 2 20 ...

Page 21: ...IN CP5PZ DOWN CP8PZ UP DOWN UP DOWN UP CP605 U D U D U D 3 4 1 2 5 6 3 4 1 2 5 6 3 4 1 2 5 6 3 4 1 2 5 JAK401 JAK402 JAK403 7 8 ZONE IN 3 4 1 2 5 6 SPEAKER A ZONE OUT LEFT LEFT CN 101 RIGHT RIGHT Schemaic Diagram 5 6 Power Supply Video Circuit 016 X 1323B02 03 05 09 016 X 1323B03 016 X 1323B09 016 X 1323B05 016 X 1323B02 21 ...

Page 22: ...Schematic Diagram 6 6 Tuner PCB 016 4002002301 22 ...

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