Onkyo TX-SR603 Service Manual
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SERVICE MANUAL
SERVICE MANUAL
AV RECEIVER
MODEL
MODEL
MODEL
STANDBY/ON
STANDBY
ZONE2
OFF
TONE
+
STEREO
ZONE 2 LEVEL
PHONES
PURE AUDIO
MULTl CH
DVD
VIDEO 1
VCR 1
TX-SR603
Black, Golden and Silver models
B MDD, B MDC, S MDC
B MPA, S MPA
B MWT, G MWT
G MGR, G MGQ, G MGK
TX-SR603E
Black and Silver models
B MPP, S MPP
230-240V AC, 50Hz
TX-SR8360
Golden model
G MGR
220-230V AC, 50/60Hz
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK
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
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.
TX-SR603
TX-SR603E
TX-SR8360
MASTER VOLUME
TUNING / PRESET
ENTER
RETURN
SETUP
LISTENING MODE
DISPLAY DIGITAL INPUT
RT/PTY/TP MEMORY TUNING MODE
CLEAR
VIDEO 2
VIDEO 3
VIDEO 4
TAPE
TUNER
CD
SETUP MIC
S VIDEO
VIDEO
VCR 2
120V AC, 60Hz
230-240V AC, 50Hz
120V/220-230V AC, 50/60Hz
220-230V AC, 50/60Hz
ON THE
TX-SR603/603E/8360
Ref. No. 3864
VIDEO 4 INPUT
L
AUDIO
R
DIGITAL
RC-591M
042005

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Summary of Contents for Onkyo TX-SR603

  • Page 1 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...
  • Page 2: Specifications

    TX-SR603/603E/8360 SPECIFICATIONS Amplifier Section General Power Output Power Supply North American: AC 120 V, 60 Hz 2 channel driven: North American: 85 W + 85 W Australian and European: (8 , 20Hz-20kHz, FTC) AC 230-240 V, 50 Hz European: 120 W + 120 W...
  • Page 3: Service Procedure

    <Notes> <DC> : TX-SR603 Canadian model <PA> : TX-SR603 Australian model <DD> : TX-SR603 American model <WT> : TX-SR603 World wide model <GK> : TX-SR603 Korean model <PP> : TX-SR603E European model <GQ> : TX-SR603 Hong kong model <8360> : TX-SR8360 Chinese model <GR>...
  • Page 4 TX-SR603/603E/8360 A002 EXPLODED VIEWS-1 x 4 pcs. A017 P901 A068 x 37 pcs. A060 Refer to A061 A093 x 6 pcs. <Fig-1> in A041 EXPLODED VIEWS-2 A002 A017 x 4 pcs. A002 A002 x 3 pcs. A052 P101 A002 A018...
  • Page 5 TX-SR603/603E/8360 EXPLODED VIEWS-2 <Fig-1> Q6056 Q6066 Q6050A x 14 A049 Q6055 Q6065 Q6054 Q6064 Q6053 Q6063 Q6052 Q6062 Q6051 Q6061 Q6050 Q6060...
  • Page 6: Block Diagram

    TX-SR603 BLOCK DIAGRAM MIC AMP SETUP MIC TUNER UNIT VIDEO4 INPUT NJW1157 -6dB TAPE OUT TAPE IN VIDEO3 IN Z2_L MIX_L Z2_R MIX_R VIDEO2 OUT NJU7311 VIDEO2 IN RECOUT_L VOLIN_SBL RECOUT_R VOLIN_SBR VIDEO1 OUT VIDEO1 IN SOURCE_L SOURCE_R FRONT SURROUND...
  • Page 7 TX-SR603 PHONES POWER AMPLIFIER SPEAKERS +29dB FRONT +29dB VOLUME FL_PO TONE +29dB CENTER FR_PO TONE CT_PO +29dB +20.2dB SW_PO SURROUND +29dB SL_PO +29dB SR_PO SURROUND BACK SBL_PO +29dB SBR_PO PREOUT SUBWOOFER ZONE2 ZONE2 LINEOUT Z2L_PO Z2R_PO 12V TRIGGER 12V TRIGGER OUT...
  • Page 8 TX-SR603/603E/8360 SCHEMATIC DIAGRAMS-1 TO NADG-8514 AUDIO INPUT SECTION NAAF-8523 AMPLIFIER PC BOARD (1/2) P5505 A_GND FSWDAT TAPEOUT_R DMIXR Q5503 R5591 R5590 1.2K C5590 330J R5592 R5593 R5594 R5595 330J 1.2K C5591 R5598 R5596 R5597 R5599 Q5503 DMIXL P7901 NJM4565M-D R5501...
  • Page 9 TX-SR603/603E/8360 TO NADG-8514 TO NADG-8514 TO NADG-8514 P301 P303 P311B P302 TO AMPLIFIER PC BOARD (2/2) R5811 R5650 D5650 0.22 2SB1068-K Q5650 Q5652 Q5654 R5653 RN2402 LM2940CT-5.0 VPOWER Q5651 RN1402 KRC102S R5680 +12V 100K R5681 79M05FA R5651 -12V 100K D5651...
  • Page 10: Table Of Contents

    TX-SR603/603E/8360 SCHEMATIC DIAGRAMS-1 TO NADG-8514 TO NADG-8514 TO NADG-8514 TO NADG-8514 AUDIO INPUT SECTION P303 P301 P311B NAAF-8523 P302 AMPLIFIER PC BOARD (1/2) P5505 A_GND FSWDAT TO AMPLIFIER PC BOARD (2/2) TAPEOUT_R R5811 R5650 D5650 2SB1068-K 0.22 Q5650 DMIXR Q5503...
  • Page 11 TX-SR603/603E/8360 SCHEMATIC DIAGRAMS-2 NADG-851 DSP SECTION TO NADIS-8513 TO NAVD-8476 TO NAVD-8476 P101A R653 R652 R651 R691 R650 R603 Q721 S812C56AUA-C3G C724 +12VA 124J -12VA Refer to following table about the parts displayed by mark " ". CIRCUIT NO. R687...
  • Page 12 TX-SR603/603E/8360 NAETC-8518 8514 DSP PC BOARD IR IN TERMINAL PC BOARD JL121B JL121A +5.6IR GNDTRG +12TRG R127 Q126 P121 2SB1068 12V TRIGGER GNDIR D121 D122 ZONE2 P721 R773 R121 C121 Z2MUT IR IN SBZ2MUT 223K Q127 Q714 Q716 Q712 RN2402...
  • Page 13 TX-SR603/603E/8360 SCHEMATIC DIAGRAMS-2 NAETC-8518 NADG-8514 DSP PC BOARD IR IN TERMINAL PC BOARD DSP SECTION JL121B JL121A +5.6IR TO NADIS-8513 TO NAVD-8476 TO NAVD-8476 R127 GNDTRG +12TRG Q126 P121 2SB1068 12V TRIGGER GNDIR D121 D122 P101A R653 ZONE2 P721 R773...
  • Page 14 TX-SR603/603E/8360 SCHEMATIC DIAGRAMS-3 POWER AMPLIFIER SECTION-1 Refer to following table about the parts displayed by mark " ". R5163 100 (1/4W) R5113 52.5V Transistors R5093 Q5033 100K CIRCUIT NO. DESCRIPTION 52.0V 1.1V Q5000 - 5002 2SC2240-BL 51.5V C5033 Q5010 - 5012 -0.1V...
  • Page 15 TX-SR603/603E/8360 TO NAAF-8523 TO NAAF-8523 NAAF-8540 P5503A P5504A DRIVER AMPLIIER PC BOARD P5019 53.0V R5160 53.0V 100 (1/4W) R5110 52.5V R5183 R5180 R5090 Q5030 100K 52.0V (1/4W) (1/4W) [65.1V] 1.1V 51.5V C5030 -0.1V P6003A P6000A C5100 C5050 10/100 47/50 C5010...
  • Page 16 TX-SR603/603E/8360 SCHEMATIC DIAGRAMS-3 POWER AMPLIFIER SECTION-1 TO NAAF-8523 TO NAAF-8523 NAAF-8540 P5503A P5504A DRIVER AMPLIIER PC BOARD P5019 Refer to following table about the parts displayed by mark " ". R5163 53.0V R5160 53.0V R5113 100 (1/4W) R5110 100 (1/4W) 52.5V...
  • Page 17: Schematic

    TX-SR603/603E/8360 SCHEMATIC DIAGRAMS-4 POWER AMPLIFIER SECTION-2 NAAF-8523 AMPLIFIER PC BOARD (2/2) R6023 2.2 Q6033 53.0V (1/4W) R6163 R6083 R6033 0.22 1.0V Q6053 1.1V (1/4W) R6143 R6003 0.6V 0.6V Q6073 5.6K P6083 R6073 R6103 (1/4W) R6013 0.22x2 3.9K (5W) D6003 R617 -0.3V...
  • Page 18 TX-SR603/603E/8360 R6020 2.2 53.0V Q6030 (1/4W) R6030 R6160 R6080 0.22 1.1V Q6050 1.0V (1/4W) R6140 R6000 0.6V 0.6V Q6070 5.6K P6080 R6070 R6100 (1/4W) R6010 0.22x2 3.9K (5W) D6000 R6173 R6170 -0.3V R6150 R6180 -0.6V C6040 IDLING Q6020 47/50 C6050 R6040 ADJ.
  • Page 19 TX-SR603/603E/8360 SCHEMATIC DIAGRAMS-4 POWER AMPLIFIER SECTION-2 NAAF-8523 AMPLIFIER PC BOARD (2/2) R6020 2.2 R6023 2.2 Q6033 53.0V Q6030 53.0V (1/4W) (1/4W) R6163 R6030 R6160 R6083 R6080 R6033 0.22 0.22 1.0V 1.1V Q6050 1.1V Q6053 1.0V (1/4W) (1/4W) R6140 R6143 R6003 0.6V...
  • Page 20: Center Speaker

    TX-SR603/603E/8360 SCHEMATIC DIAGRAMS-5 SPEAKER TERMINAL SECTION CENTER SPEAKER Except NAETC-8538 L6602 S1.3C DD, DC Type R6602 22 P6602 R6612 22 RL6602 CENTER SPEAKER C6642 103J DD, DC Type C6652 J6603 DD, DC Type 102J C6602 TERMINALPC BOARD DD, DC Type...
  • Page 21: Power Supply Section

    TX-SR603/603E/8360 SCHEMATIC DIAGRAMS-6 POWER SUPPLY SECTION NOTE THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY DD, DC-Type REPLACE ONLY WITH PART NUMBER SPECIFIED. VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INP F903 T901 ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERW...
  • Page 22 TX-SR603/603E/8360 NAPS-8535 POWER SUPPLY-2 PC BOARD NO INPUT SIGNAL). D9501-9503: HERWISE NOTED. RL1N4003 HERWISE NOTED. C9003 D9002 D9001 1000/35 +24V C9001 334J S3GND C9004 470/35 D9003 D9004 -24V J956 SEC2-1 SEC2-2 MPUGND +12VD C9009 +10VS Q9002 KTA1268-GR 220/35 D9013 R9002 22...
  • Page 23 TX-SR603/603E/8360 SCHEMATIC DIAGRAMS-6 POWER SUPPLY SECTION NAPS-8535 NOTE POWER SUPPLY-2 PC BOARD THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY DD, DC-Type REPLACE ONLY WITH PART NUMBER SPECIFIED. VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL). F903 T901 D9501-9503: ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.
  • Page 24: Display Section

    TX-SR603/603E/8360 SCHEMATIC DIAGRAMS-7 DISPLAY SECTION NADIS-8513 DISPLAY PC BOARD 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.
  • Page 25 TX-SR603/603E/8360 LEDZONE2 REMIN FLDRST FLDCS FLDCLK FLDSDO KEY0 KEY1 C819 104Z KEY2 C818 C820 104Z 223Z KEY3 C817 GNDCPU 33/50 KEYINT0 R807 +5.6S R806 KEYINT1 C816 R812 473Z MASTER R811 KEYINT2 VOLUME +5VDIS S851 KEYINT3 C815 473Z R810 100 VOLA...
  • Page 26 TX-SR603/603E/8360 SCHEMATIC DIAGRAMS-7 DISPLAY SECTION NADIS-8513 DISPLAY PC BOARD LEDZONE2 Q801 REMIN FL TUBE FLDRST FLDCS 16BT127GNK FLDCLK FLDSDO KEY0 KEY1 C819 104Z KEY2 C818 C820 104Z 223Z KEY3 C817 GNDCPU 33/50 KEYINT0 R807 NOTE +5.6S R806 KEYINT1 C816 R812...
  • Page 27: Video Section

    TX-SR603/603E/8360 SCHEMATIC DIAGRAMS-8 VIDEO SECTION TO NADG-8514 P2305A P2004 (PR) R2201 4.7M IN 3 (PB) RL2201 C2091 10/16 RL2204 C2090 104Z C2202 102K C2092 10/16 (PR) RL2202 IN 2 RL2205 (PB) RL2203 Q2004 (PR) D2202 Except DD, DC Type LC74763-9836...
  • Page 28 TX-SR603/603E/8360 TO NADG-8514 TO NAETC-8537 JL2006 P2005 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.
  • Page 29 TX-SR603/603E/8360 SCHEMATIC DIAGRAMS-8 VIDEO SECTION TO NADG-8514 TO NADG-8514 TO NAETC-8537 P2305A P2004 P2005 JL2006 (PR) R2201 4.7M IN 3 (PB) RL2201 C2091 10/16 RL2204 C2090 104Z C2202 102K C2092 10/16 (PR) RL2202 IN 2 RL2205 (PB) NOTE RL2203 THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY REPLACE ONLY WITH PART NUMBER SPECIFIED.
  • Page 30 TX-SR603/603E/8360 PC BOARD CONNECTION DIAGRAM FRONT SURROUND BACK SURROUND CENTER SPEAKERS SPEAKERS SPEAKERS SPEAKER AC IN ZONE 2 SPEAKERS P6602 P6600 P6605 P6607 JL6602B NAETC-8537 SPEAKER TERMINAL PC BOARD JL2006B JL6602B JL6600B JL6603B NAETC-8538 CENTER SPEAKER TERMINAL PC BOARD ZONE 2...
  • Page 31: Naetc

    TX-SR603/603E/8360 ANTENNA COMPONENT VIDEO MONITOR VIDEO VIDEO 1 VIDEO 2 OUT IN 1 IN 2 IN 3 P2007 P2003 P2002 P2001 P2202 P2201 TUNER UNIT NAVD-8476 VIDEO PC BOARD JL2006 P2004 VIDEO P2005 VIDEO 2 TAPE 7904 P7903 P7902 DIGITAL...
  • Page 32 TX-SR603/603E/8360 PRINTED CIRCUIT BOARD VIEWS-1 VIDEO PC BOARD (NAVD-8476) Side-A 078 8 2167 21 7 6 6 7 R2189 R2183...
  • Page 33 TX-SR603/603E/8360 PRINTED CIRCUIT BOARD VIEWS-2 VIDEO PC BOARD (NAVD-8476) Side-B C C C 2 2 0 R216 R2189 9 R2183 3...
  • Page 34 TX-SR603/603E/8360 PRINTED CIRCUIT BOARD VIEWS-3 DISPLAY PC BOARD (NADIS-8513) Side A...
  • Page 35 TX-SR603/603E/8360...
  • Page 36 TX-SR603/603E/8360 PRINTED CIRCUIT BOARD VIEWS-3 DISPLAY PC BOARD (NADIS-8513) Side A...
  • Page 37 TX-SR603/603E/8360 PRINTED CIRCUIT BOARD VIEWS-4 DISPLAY PC BOARD (NADIS-8513) Side B...
  • Page 38 TX-SR603/603E/8360...
  • Page 39 TX-SR603/603E/8360 PRINTED CIRCUIT BOARD VIEWS-4 DISPLAY PC BOARD (NADIS-8513) Side B...
  • Page 40 TX-SR603/603E/8360 PRINTED CIRCUIT BOARD VIEWS-5 DSP PC BOARD (NADG-8514) Side A...
  • Page 41 TX-SR603/603E/8360...
  • Page 42 TX-SR603/603E/8360 PRINTED CIRCUIT BOARD VIEWS-5 DSP PC BOARD (NADG-8514) Side A...
  • Page 43 TX-SR603/603E/8360 PRINTED CIRCUIT BOARD VIEWS-6 DSP PC BOARD (NADG-8514) Side B...
  • Page 44 TX-SR603/603E/8360...
  • Page 45 TX-SR603/603E/8360 PRINTED CIRCUIT BOARD VIEWS-6 DSP PC BOARD (NADG-8514) Side B...
  • Page 46 TX-SR603/603E/8360 PRINTED CIRCUIT BOARD VIEWS-7 SWITCH PC BOARD (NASW-8515) Side A Side B HEADPHONE JACK PC BOARD (NAETC-8516) Side A Side B...
  • Page 47 TX-SR603/603E/8360 PRINTED CIRCUIT BOARD VIEWS-8 FRONT OPT PC BOARD (NAETC-8517) Side-A Side-B IR IN TERMINAL PC BOARD (NAETC-8518) Side-A Side-B...
  • Page 48 TX-SR603/603E/8360 PRINTED CIRCUIT BOARD VIEWS-9 AMPLIFIER PC BOARD (NAAF-8523) P7901 P7902 Component side P7904 P7903 P5505 P7903 P7902 P7901 P7904 C5503 C5504 E301A GND_TU 25138523B TUPACK_L TUPACK_R NCAF-8523 GND_V4 C5564 C5565 GND_MIC J5520 J5616 C5563 VLTNDAT C5562 VLTNCLK C5565 C5564...
  • Page 49 TX-SR603/603E/8360 P7905 P7907 P7908 P7906 D5711 P6906 C5712 D6901 P7904 D5710 C6903 J5728 P7905 P7906 P7907 P7908 D6902 J5694 J5727 J5726 R6902 F6901 J6006 R6605 C5568 J5738 F6902 C6906 J5708 J5654 C6907 RL6902 J5707 C5607 J5730 C6905 J5729 D6905 D6904...
  • Page 50 TX-SR603/603E/8360 PRINTED CIRCUIT BOARD VIEWS-9 AMPLIFIER PC BOARD (NAAF-8523) P7901 P7902 P7905 P7907 P7908 D5711 P7906 Component side P6906 C5712 D6901 P7904 P7903 D5710 C6903 P5505 J5728 P7905 P7902 P7903 P7906 P7907 P7908 D6902 P7901 P7904 J5694 J5727 C5503 C5504...
  • Page 51 TX-SR603/603E/8360 PRINTED CIRCUIT BOARD VIEWS-10 AMPLIFIER PC BOARD (NAAF-8523) Soldering side R5503 R5504 R5543 R5544 R5702 R5501 R5502 R5541 R5542 C5501 C5502 R5550 R5513 R5514 C5510 R5553 R5554 R5515 C5513 C5514 R5516 R5518 R5508 R5517 R5555 R5556 R5557 R5558 R5548...
  • Page 52 TX-SR603/603E/8360 R5531 R5523 R5524 R5525 R5571 R5563 R5564 R5526 C5531 C5523 C5524 R5565 R5566 R5520 R5519 C5525 C5526 R5560 R5559 C5520 C5519 R5527 R5528 R5530 R5567 R5568 R5529 R5521 R5522 R5569 R5570 C5527 C5528 R5561 R5562 C5529 C5530 C5521 C5522...
  • Page 53: Naaf

    TX-SR603/603E/8360 TX-SR603/603E/8360 PRINTED CIRCUIT BOARD VIEWS-10 AMPLIFIER PC BOARD (NAAF-8523) Soldering side R5503 R5504 R5543 R5544 R5702 R5501 R5502 R5541 R5542 C5501 C5502 R5523 R5524 R5531 R5550 R5513 R5514 R5563 R5564 R5525 R5526 R5571 C5510 R5553 R5554 C5523 C5524 R5565...
  • Page 54 TX-SR603/603E/8360 PRINTED CIRCUIT BOARD VIEWS-11 SEC. TERMINAL-2 PC BOARD (NAPS-8524) Component side NCPS-8524 25138524 J6407 J6410 SBR AMPLIFIER PC BOARD (NAETC-8525) Component side Q6056 Q6066 Q6016 J6804 NCETC-8525 25138525 J6802 J6800 J6807 R6106 J6805 P6848 J6801 SBRSP R6096 Q6026 IPRO...
  • Page 55 TX-SR603/603E/8360 PRINTED CIRCUIT BOARD VIEWS-12 POWER SUPPLY-1 PC BOARD (NAPS-8533) Component side S902 S902 P926 P925 P902 J903 220V 120V P902 J923 J906 T902 F902B J908 J912 T902 F901A D930 J916 D931 J918 R934 F901B Q930 J919 8A 125V POFFVP...
  • Page 56 TX-SR603/603E/8360 PRINTED CIRCUIT BOARD VIEWS-13 POWER SUPPLY-2 PC BOARD (NAPS-8535) Component side FLAC1 FLAC2 SEC3-2 C9016 S3GND P9502A SEC3-1 SEC2-2 R9005 J961 D9002 SEC2-1 C9014 C9014 Q9002 J963 R9004 D9012 R9002 R9003 J950 J960 NCPS-8535 C9015 Q9022 D9003 D9026 D9013...
  • Page 57 TX-SR603/603E/8360 PRINTED CIRCUIT BOARD VIEWS-14 SPEAKER TERMINAL PC BOARD (NAETC-8537) Component side JL2006B J6628 RL6607 CENTER SPEAKER TERMINAL PC BOARD (NAETC-8538) RL6607 Component side RL6605 RL6602 RL6605 R6605 L6606 C6656 J6626 JL6602A L6605 R6615 C6646 J6622 J6621 L6602 R6604 J6620...
  • Page 58 TX-SR603/603E/8360 PRINTED CIRCUIT BOARD VIEWS-15 P5019 DRIVER AMPLIFIER Q5015 D5005 R5175 PC BOARD R5075 (NAAF-8540) R5025 Q5055 C5025 R5085 C5045 R5105 C5095 J5135 R5015 R5045 R5135 Component side C5015 C5115 R5205 Q5035 R5005 R5195 Q5016 D5006 R5176 R5076 R5026 Q5056...
  • Page 59 TX-SR603/603E/8360 MICROPROCESSOR TERMINAL DESCRIPTIONS-1 Q701: M30624MHP-253FPU0 Pin No. Pin name Act. Description Output serial data for control of FL driver IC/ OSD IC. FLDSDO Output serial clock for control of FL driver IC/ OSD IC. FLDCLK Output chip select for FL driver IC.
  • Page 60 TX-SR603/603E/8360 MICROPROCESSOR TERMINAL DESCRIPTIONS-2 Q701: M30624MHP-253FPU0 Pin No. Pin name Act. Description SPRLSB Output control signal for relay drive of surround back speakers. SPRLCS Output control signal for relay drive of center and surround speakers. SPRLF Output control signal for relay drive of front speakers.
  • Page 61: Adjustment Procedure

    TX-SR603/603E/8360 ADJUSTMENT PROCEDURE-1 IDLING CURRENT ADJUSTMENT [When] Exchange Power transistor (Q6051 - Q6066) and Amplifier PC board (NAAF-8523). [Procedure] <Note> No load and No signal Refer to <Fig-1> in " ADJUSTMENT PROCEDURES-2 " about the adjustment points and the test points.
  • Page 62 TX-SR603/603E/8360 ADJUSTMENT PROCEDURE-2 IDLING CURRENT ADJUSTMENT <Fig-1> 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...

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