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COMPONENTS IDENTIFIED BY MARK ON THE SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK. REPLACE THESE COMPONENTS WITH ONKYO PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL. MAKE LEAKAGE-CURRENT OR RESISTANCE...
TX-SR603X SPECIFICATIONS Amplifier Section General Power Output 90 W + 90 W Power Supply AC 120 V, 60 Hz 2 channel driven: , 20 Hz - 20 kHz, FTC) Power Consumption Dynamic Power Stand-by Power Consumption 225 W + 225 W (3 , Front) 0.1 W...
TX-SR603X SERVICE PROCEDURE 1. Replacing the fuses This symbol located near the fuse indicates that the fuse used is show operating type, For continued protection against fire hazard, replace with same type fuse, For fuse rating, refer to the marking adjacent to the symbol.
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TX-SR603X OPERATION CHECK-1 SPEAKER PROTECT-1 (DC VOLTAGE DETECTION) [When] 1. Exchange power transistors (Q6050 - Q6066). 2. Exchange amplifier PC board ass'y (NAAF-8523). [Procedure] <Note> No load. No input. 1. Press and the hold down the CD button, then press the STANDBY/ON button when the unit is Power ON.
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TX-SR603X OPERATION CHECK-2 SPEAKER PROTECT-2 (CURRENT DETECTION) [When] 1. Exchange power transistors (Q6050 - Q6066). 2. Exchange amplifier PC board ass'y (NAAF-8523). [Procedure] <Note> No input. Do not check two or more channels at the same time. Do not connect dummy load to speaker terminals for seconds 2 or more.
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TX-SR603X OPERATION CHECK-3 CONTROL OF POWER SUPPLY (OUTPUT SENSOR AND THERMAL SENSOR) [When] 1. Exchange power transistors (Q6050 - Q6066). 2. Exchange power amplifier PC board ass'y (NAAF-8523). 3. Exchange thermal sensor PC board ass'y (NAETC-8526). [Procedure] <Note> No output. No input.
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TX-SR603X OPERATION CHECK-4 DSP DEBUG MODE Check the operation of the circuit around DSP by the display in this mode. This information helps to pursue the faulty point. To set in DSP debug mode 1. Press and hold down the DISPLAY button, then press the STANDBY/ON button when the unit is power ON.
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TX-SR603X A011 EXPLODED VIEWS-1 x 4 pcs. A017 P901 A018 A068 A060 x 39 pcs. A061 A093 x 6 pcs. Refer to EXPLODED VIEWS-2 A041 A011 A011 x 4 pcs. A017 P101 A011 x 3 pcs. A052 A017 A011 A011 A011 x 2 pcs.
TX-SR603X SCHEMATIC DIAGRAMS-6 POWER SUPPLY SECTION NOTE THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY REPLACE ONLY WITH PART NUMBER SPECIFIED. VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL). ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.
TX-SR603X SCHEMATIC DIAGRAMS-7 NADIS-8625 DISPLAY PC BOARD DISPLAY SECTION Q801 FL TUBE 16BT127GNK NOTE THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY REPLACE ONLY WITH PART NUMBER SPECIFIED. VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL). ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.
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TX-SR603X SCHEMATIC DIAGRAMS-8 SCHEMATIC TO NA VIDEO SECTION P2305A P2004 R2201 4.7M IN 3 RL2201 C2091 10/16 RL2204 C2090 104Z C2202 102K C2092 10/16 RL2202 RL2205 IN 2 COMPONENT RL2203 VIDEO Q2004 D2202 LC74763-9836 Vdd1 Q2202 IN 1 C2061 X2001...
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TX-SR603X ATIC DIAGRAMS-2 SCHEMATIC DIAGRAMS-5 O NADG-8626 TO NAETC-8537 P2005 JL2006 NOTE THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY REPLACE ONLY WITH PART NUMBER SPECIFIED. VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL). ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.
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TX-SR603X PRINTED CIRCUIT BOARD VIEWS-14 SWITCH PC BOARD (NASW-8627) Side-A Side-B HEADPHONE JACK PC BOARD (NAETC-8628) Side-A Side-B VIDEO 4 DIGITAL INPUT PC BOARD (NAETC-8629) Side-A Side-B...
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TX-SR603X PRINTED CIRCUIT BOARD VIEWS-15 REGULATOR PC BOARD (NAPS-8630) Side-A XM DIGITAL TRANSCEIVER PC BOARD (NARF-8688) Sid A Side-A...
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TX-SR603X IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS-1 Q7101 : F2602-01(XM Digital Transceiver) -1/3 BLOCK DIAGRAM PIN LAYOUT...
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TX-SR603X IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS-2 Q7101 : F2602-01(XM Digital Transceiver) -2/3 TERMINAL DESCRIPTION...
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TX-SR603X IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS-3 Q7101 : F2602-01(XM Digital Transceiver) -3/3 TERMINAL DESCRIPTION (Continue)
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TX-SR603X IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS-4 Q7102 : AK4384ET(192kHz 24-Bit 2ch DAC) BLOCK DIAGRAM TERMINAL DESCRIPTION...
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TX-SR603X IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS-5 Q7104 : TPS2011AD (Power-Distribution Switches) BLOCK DIAGRAM Power Switch ² Charge Pump Current Driver Limit UVLO Thermal Sense ² Current Sense PIN LAYOUT (TOP VIEW) TERMINAL DESCRIPTION NAME TERMINAL DESCRIPTION Enable input. Logic low turns on power switch.
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TX-SR603X MICROPROCESSOR TERMINAL DESCRIPTIONS-1 Q701 : M30627MHP-282GPU0 Pin No. Pin name Act. Description A/D reference voltage power supply. VREF A/D Power supply. AVCC Not used. Serial data output to OSD IC. OSDSDO Serial clock output to OSD IC. OSDCLK Chip select output to OSD IC.
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TX-SR603X MICROPROCESSOR TERMINAL DESCRIPTIONS-2 Q701 : M30627MHP-282GPU0 Pin No. Pin name Act. Description DSPFINT DSP AB interrupt request detection input. FEPM For writing of flash microprocessor. DSPRST Reset signal output to DSP. Not used. Not used. Not used. Not used.
TX-SR603X MICROPROCESSOR TERMINAL DESCRIPTIONS-3 Q701 : M30627MHP-282GPU0 Pin No. Pin name Act. Description Not used. LEDSTBY Standby LED control output. Not used. HPDET Phones detection signal input. MICDET Setup mic detection signal input. VOLB Data input from rotary encoder (master volume).
TX-SR603X ADJUSTMENT PROCEDURE-1 IDLING CURRENT ADJUSTMENT [When] 1. Exchange Power transistors (Q6050 - Q6066). 2. Exchange Amplifier PC board ass'y (NAAF-8523). [Procedure] <Note> No load and No signal Refer to " ADJUSTMENT PROCEDURE-2 " about the adjustment points and the test points.
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TX-SR603X ADJUSTMENT PROCEDURE-2 IDLING CURRENT ADJUSTMENT AMPLIFIER PC BOARD (NAAF-8523) P6083 R6043 P6084 R6044 P6085 R6045 Test Trimming Test Trimming Test Trimming point resistor point resistor point resistor BIAS BIAS BIAS BIAS BIAS Front side BIAS R6041 R6042 R6043 R6044...
1/51 PAGE TX-SR603X <Note> Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List. <Notes> NOTE : THE COMPONENTS IDENTIFIED BY THE MARK (B) : Black model ! ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
VIDEO 4 DIGITAL INPUT PC board ass'y NAETC-8629-1A 1B111529-1A REGULATOR PC board ass'y NAPS-8630-1A 1B111530-1A HOLDER PC board ass'y NAETC-8632-1A 1B111532-1A XM DIGITAL TRANSCEIVER PC board ass'y NARF-8688-2B 1B111588-2B TUNER UNIT FAE385-A11US 240152 U22 or TUNER UNIT ENG06507QFUS 240156 TX-SR603X...
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4/51 PAGE PC BOARD PARTS LIST PCB1 VIDEO PC BOARD (NAVD-8476-1A) PCB1 PCB1 CIRCUIT NO. NAME DESCRIPTION Q'TY PART NO REMARKS PCB1 Q2001 NJM2595M 22241946R2 PCB1 Q2002 NJM2595M 22241946R2 PCB1 Q2003 NJM2595M 22241946R2 PCB1 Q2004 LC74763-9836 22241779 PCB1 Q2101 ADV7183B 22242202R3 PCB1 Q2102...
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37/51 PAGE C214 C-CERA C CK725F1E-104Z1 332161040R1 PCB4 C215 C-CERA C CK725F1E-104Z1 332161040R1 PCB4 C216 C-CERA C CK725F1E-104Z1 332161040R1 PCB4 C217 C-CERA C CK725F1E-104Z1 332161040R1 PCB4 C219 C-CERA C CC725CH1H-101J1 342101014R1 PCB4 C281 VR C CE04W16V-100M(VR) 394641017 PCB4 C282 C-CERA C CK725F1E-104Z1 332161040R1 PCB4...
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38/51 PAGE C422 C-CERA C CC725CH1H-101J1 342101014R1 PCB4 C423 C-CERA C CC725CH1H-681J1 342106814R1 PCB4 C425 C-CERA C CC725CH1H-681J1 342106814R1 PCB4 C426 C-CERA C CC725CH1H-681J1 342106814R1 PCB4 C427 C-CERA C CC725CH1H-681J1 342106814R1 PCB4 C428 C-CERA C CC725CH1H-681J1 342106814R1 PCB4 C501 TF C ECQ-B50V-272J 374722724 PCB4...
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39/51 PAGE C805 C-CERA C CK725F1E-104Z1 332161040R1 PCB4 C806 C-CERA C CC725CH1H-101J1 342101014R1 PCB4 C807 C-CERA C CC725CH1H-101J1 342101014R1 PCB4 C808 C-CERA C CC725CH1H-101J1 342101014R1 PCB4 C809 C-CERA C CC725CH1H-101J1 342101014R1 PCB4 C811 C-CERA C CK725F1H-473Z1 332154730R1 PCB4 C812 C-CERA C CK725F1E-104Z1 332161040R1 PCB4...
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40/51 PAGE R138 C-CARBON R RN72K1J-103JE 435031034R1 PCB4 R139 C-CARBON R RN72K1J-224JE 435032244R1 PCB4 R140 C-CARBON R RN72K1J-103JE 435031034R1 PCB4 R141 C-CARBON R RN72K1J-221JE 435032214R1 PCB4 R142 C-CARBON R RN72K1J-221JE 435032214R1 PCB4 R143 C-CARBON R RN72K1J-221JE 435032214R1 PCB4 R144 C-CARBON R RN72K1J-221JE 435032214R1 PCB4...
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41/51 PAGE R269 C-CARBON R RN72K1J-332JE 435033324R1 PCB4 R270 C-CARBON R RN72K1J-221JE 435032214R1 PCB4 R291 METAL O R RS2WBJ-8.2 441720824F PCB4 R292 METAL O R RS2WBJ-8.2 441720824F PCB4 R293 C-CARBON R RN72K1J-330JE 435033304R1 PCB4 R301 C-CARBON R RN72K1J-470JE 435034704R1 PCB4 R302 C-CARBON R RN72K1J-470JE...
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42/51 PAGE R422 C-CARBON R RN72K1J-681JE 435036814R1 PCB4 R423 C-CARBON R RN72K1J-471JE 435034714R1 PCB4 R424 C-CARBON R RN72K1J-471JE 435034714R1 PCB4 R425 C-CARBON R RN72K1J-471JE 435034714R1 PCB4 R426 C-CARBON R RN72K1J-471JE 435034714R1 PCB4 R427 C-CARBON R RN72K1J-471JE 435034714R1 PCB4 R428 C-CARBON R RN72K1J-471JE 435034714R1 PCB4...
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43/51 PAGE R531 C-CARBON R RN72K1J-223JE 435032234R1 PCB4 R532 C-CARBON R RN72K1J-223JE 435032234R1 PCB4 R541 C-CARBON R RN72K1J-223JE 435032234R1 PCB4 R542 C-CARBON R RN72K1J-223JE 435032234R1 PCB4 R551 C-CARBON R RN72K1J-223JE 435032234R1 PCB4 R552 C-CARBON R RN72K1J-223JE 435032234R1 PCB4 R561 C-CARBON R RN72K1J-223JE 435032234R1 PCB4...
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44/51 PAGE R636 C-CARBON R RN72K1J-103JE 435031034R1 PCB4 R637 C-CARBON R RN72K1J-221JE 435032214R1 PCB4 R638 C-CARBON R RN72K1J-221JE 435032214R1 PCB4 R639 C-CARBON R RN72K1J-000JE 435030004R1 PCB4 R640 C-CARBON R RN72K1J-222JE 435032224R1 PCB4 R641 C-CARBON R RN72K1J-000JE 435030004R1 PCB4 R642 C-CARBON R RN72K1J-222JE 435032224R1 PCB4...
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45/51 PAGE R698 C-CARBON R RN72K1J-472JE 435034724R1 PCB4 R699 C-CARBON R RN72K1J-472JE 435034724R1 PCB4 R700 C-CARBON R RN72K1J-472JE 435034724R1 PCB4 R701 C-CARBON R RN72K1J-472JE 435034724R1 PCB4 R702 C-CARBON R RN72K1J-472JE 435034724R1 PCB4 R703 C-CARBON R RN72K1J-472JE 435034724R1 PCB4 R704 C-CARBON R RN72K1J-272JE 435032724R1 PCB4...