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Sony STR-K650P Service Manual
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Sony STR-K650P Service Manual

Fm stereo fm-am receiver
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SERVICE MANUAL
Ver 1.0 2003. 04
• STR-K650P is the tuner and the amplifier
section in HT-DDW650.
Dolby Laboratories Licensing Corporation.
"DOLBY" the double-D symbol ; "AC-3" and "PRO LOGIC"
are trademarks of Dolby Laboratories Licensing Corporation.
POWER OUTPUT AND TOTAL
HARMONIC DISTORTION:
With 8 ohm loads, both channels driven, from
40 – 20,000 Hz; rated 70 watts per channel
minimum RMS power, with no more than
0.7 % total harmonic distortion from 250
milliwatts to rated output (Models of area code
U only).
Amplifier section
POWER OUTPUT
Rated Power Output at Stereo Mode
(8 ohms 40 Hz – 20 kHz, THD 0.7 %)
70 W + 70 W
Reference Power Output
(8 ohms 1 kHz, THD 0.7 %)
1)
FRONT
:80 W/ch
1)
CENTER
: 80 W
SURR
1)
: 80 W/ch
1) Depending on the sound field settings and the
source, there may be no sound output.
Frequency response
CD, MD/TAPE, DVD,
VIDEO 1, 2
Sony Corporation
9-877-334-01
2003D167800-1
Home Audio Company
© 2003.04
Published by Sony Engineering Corporation
STR-K650P
SPECIFICATIONS
Inputs (Analog)
CD, MD/TAPE, DVD,
VIDEO 1, 2
2) INPUT SHORT (with sound field and tone
bypassed).
3) Weighted network, input level.
Inputs (Digital)
DVD (Coaxial)
VIDEO 2 (Optical)
Outputs
MD/TAPE (OUT),
VIDEO 1
(AUDIO OUT)
10 Hz – 50 kHz
SUB WOOFER
+0.5/–2 dB (with sound
field and tone bypassed)
Tone
Gain levels:
Sensitivity: 500 mV
Impedance: 50 kilohms
S/N
2)
: 96 dB
3)
(A, 500 mV
)
Sensitivity: –
Impedance: 75 ohms
S/N: 100 dB
(A, 20 kHz LPF)
Sensitivity: –
Impedance: –
S/N: 100 dB
(A, 20 kHz LPF)
Voltage: 500 mV
Impedance: 10 kilohms
Voltage: 2 V
Impedance: 1 kilohms
±6 dB, 1 dB step
FM STEREO FM-AM RECEIVER
US Model
— Continued on next page —

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  • Page 1 STR-K650P SERVICE MANUAL US Model Ver 1.0 2003. 04 • STR-K650P is the tuner and the amplifier section in HT-DDW650. Dolby Laboratories Licensing Corporation. “DOLBY” the double-D symbol ; “AC-3” and “PRO LOGIC” are trademarks of Dolby Laboratories Licensing Corporation.
  • Page 2 STR-K650P FM tuner section 54 dB (at 50 mV/m) Tuning range 87.5 - 108.0 MHz Harmonic distortion 0.5 % (50 mV/m, 400 Hz) Antenna terminals 75 ohms, unbalanced Selectivity At 9 kHz: 35 dB Intermediate Frequency At 10 kHz: 40 dB 10.7 MHz...
  • Page 3 COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.

  • Page 4: Table Of Contents

    STR-K650P TABLE OF CONTENTS 1. GENERAL ·········································································· 5 2. TEST MODE ······································································ 6 3. DIAGRAMS ········································································ 7 3-1. Circuit Board Location ················································· 7 3-2. Block Diagrams – MAIN Section – ····························· 8 – DISPLAY/POWER Section – ··································· 9 3-3. Printed Wiring Board – DIGITAL Board (SIDE A) – 10 3-4.

  • Page 5: General

    STR-K650P SECTION 1 GENERAL This section is extracted from instruction manual. M – O P – Z ALPHABETICAL ORDER MAIN MENU qf (15, 26, 27, 33, PHONES (jack) wh (20, 25, 45) 34, 51) PRESET TUNING +/– ws (30, 48) A –...

  • Page 6: Video

    STR-K650P SECTION 2 TEST MODE 4. Press the VIDEO1 button, All segments and all LEDS turn off. FACTORY PRESET MODE * All preset contents are reset to the default setting. 5. Every pressing of the VIDEO1 button turns on each segment * Procedure: and LED one after another in the same order.

  • Page 7: Diagrams

    STR-K650P SECTION 3 DIAGRAMS 3-1. Circuit Board Location THIS NOTE IS COMMON FOR PRINTED WIRING For printed wiring boards. Note: BOARDS AND SCHEMATIC DIAGRAMS. • X : parts extracted from the component side. (In addition to this necessary note is printed in each •...

  • Page 8: Block Diagrams - Main Section

    STR-K650P 3-2. Block Diagrams – MAIN Section – IC201 ANALOG SOUND TUNER PACK PROCESSOR L CH INL1 IC1601(1/3) COAXIAL R CH R-CH SYSTEM CONTROL. ANTENNA ST-DO J402 ST-DI L OUT INL3 Q361 SLATCH MUTING RECL2 STEREO STEREO TUNED TUNED MD/TAPE...

  • Page 9: Display/Power Section

    STR-K650P – DISPLAY/POWER Section – R-CH J791 IC701 PHONES POWER AMP RY791 Q790 Q703 +V OUT2 RELAY BOOSTER DRIVE Q701,702 LIMITER TM602 RY701 • R-CH is omitted due to same as L-CH FRONT Q740 D731 Q710 • Signal Path MUTING...

  • Page 10: Printed Wiring Board - Digital Board (Side A)

    STR-K650P 3-3. Printed Wiring Board – DIGITAL Board (SIDE A) – • See page 7 for Circuit Boards Location. • : Uses unleaded solder. IC1101 IC1202 IC1102 IC1201 • Semiconductor IC1501 Location Ref. No. Location IC1601 D1101 D1601 IC1101 IC1102...

  • Page 11: Printed Wiring Board - Digital Board (Side B)

    STR-K650P 3-4. Printed Wiring Board – DIGITAL Board (SIDE B) – • See page 7 for Circuit Boards Location. • : Uses unleaded solder. ANTENNA FM 75 VIDEO COAXIAL MAIN BOARD BOARD CNS250 CNP911 TUNER (Page 21) (Page 14) PACK...

  • Page 12: Schematic Diagram - Digital Section (1/2)

    STR-K650P 3-5. Schematic Diagram – DIGITAL Section (1/2) – • See page 7 for Waveforms. • See page 23 for IC Block Diagrams. C1129 0.001 C1111 C1112 R1115 0.01 IC1105 TORX141L R1121 JR1122 R1364 JR1116 C1121 R1101 R1110 JR1115 FB1102...

  • Page 13: Schematic Diagram - Digital Section (2/2)

    STR-K650P 3-6. Schematic Diagram – DIGITAL Section (2/2) – • See page 7 for Waveforms. C1617 0.01 C1905 CNP5 IC1602 S-80929CNMC -G8Z-T2 C1913 R1642 C1906 470 16V C1612 IC1902 TA7810S C1908 470 16V CNS4 C1914 CNP6 47 16V IC1903 FB1603...

  • Page 14: Printed Wiring Board - Main Board

    STR-K650P 3-7. Printed Wiring Board – MAIN Board – • See page 7 for Circuit Boards Location. • : Uses unleaded solder. VIDEO BOARD CNP156 (Page 21) IC801 IC802 IC201 POWER DIGITAL TRANSFORMER BOARD (Page 18) CNS1 (Page 11) IC601...

  • Page 15: Schematic Diagram - Main Section (1/3)

    STR-K650P 3-8. Schematic Diagram – MAIN Section (1/3) – • See page 24 for IC Block Diagrams. C407 J404 R373 Q361 2SC3576-AC R407 C492 C484 C494 R361 R363 4.7k C457 R457 C491 100k C482 C481 C483 C371 0.022 C372 C406...

  • Page 16: Schematic Diagram - Main Section (2/3)

    STR-K650P 3-9. Schematic Diagram – MAIN Section (2/3) – • See page 23 for IC Block Diagrams. Q747 BN1F4M-TP IC701 CNP791 R742 CN792 R792 C717 R719 C720 Q740 4.7k 220p 2SC1815 GR-TPE2 Q701 Q705 J791 R714 2SA1115TP-EF Q748 2SA988TP C742...

  • Page 17: Schematic Diagram - Main Section (3/3)

    STR-K650P 3-10. Schematic Diagram – MAIN Section (3/3) – Q379 BN1F4M-TP R381 CN505 T901 CNP802 Q801 2SB734 -T-34 CNP501 C471 C822 R803 D804 D802 R474 RD5.6F-T7B2 D5SBA20-4003 C498 C805 CN801 R473 0.22 4.7k C803 R804 100V 4700 5.6k C801 C802...

  • Page 18: Printed Wiring Board - Power Section

    STR-K650P 3-11. Printed Wiring Board – POWER Section – • See page 7 for Circuit Boards Location. • : Uses unleaded solder. MAIN BOARD CN792 (Page 14) DIGITAL BOARD CNP5 (Page 11) P H O N E S • Semiconductor Location Ref.

  • Page 19: Dimmer

    STR-K650P • : Uses unleaded solder. 3-12. Printed Wiring Board – DISPLAY Board – • See page 7 for Circuit Boards Location. IC100 VOLUME BOARD CNP104 IC102 (Page 21) DISPLAY FLUORESCENT INDICATOR TUBE IC101 DIMMER FM/AM DIGITAL POWER BOARD BOARD...

  • Page 20: Schematic Diagram - Display Section

    STR-K650P 3-13. Schematic Diagram – DISPLAY Section – • See page 23 for IC Block Diagrams. C108 C109 R199 R198 FL101 R161 R175 IC102 GP1UD27SXK C101 A.F.D. R101 R102 R103 R104 R105 R106 2.2k 2.2k 4.7k C105 C144 R155 C114...

  • Page 21: Printed Wiring Board - Video Section

    STR-K650P 3-14. Printed Wiring Board – VIDEO Section – • See page 7 for Circuit Boards Location. • : Uses unleaded solder. MONITOR DISPLAY BOARD CN103 (Page 19) IC103 DIGITAL MASTER BOARD VOLUME CNS8 (Page 11) DISPLAY BOARD CN101 (Page 19)

  • Page 22: Schematic Diagram - Video Board

    STR-K650P 3-15. Schematic Diagram – VIDEO Board – • See page 24 for IC Block Diagrams. IC807 J201 CNP156 R220 C201 C827 C824 C208 C210 10 50V R201 C214 C809 C825 J200 C200 R200 C206 IC804 10 50V NJM79M05FA C207...

  • Page 23: Ic Block Diagrams

    STR-K650P 3-16. IC Block Diagrams IC1101 LC89056W-E (DIGITAL BOARD) AUDIO C BIT PA/PB DETECT DETECT EMPHA SAMPLING FREQUENCY MICROCOMPUTER INTERFACE XSEL LOCK XOUT CLOCK DETECT XMCK 19 DVDD MODE0 MODE 18 DGND SELECT MODE1 XSTATE DGND DATAO DVDD LRCK DOSEL0...
  • Page 24 STR-K650P IC201 M61527FP (MAIN BOARD) 61 60 INL10/RECL4 SLVIN INR10/RECR4 SLSELOUT AVEE CSELOUT INL9 CVIN INR9 COUT INL8 SWOUT INR8 SWVIN INL7 SWSELOUT INR7 INL6 AVCC INIR6 DVDD INL5 LATCH INR5 DATA INL4 CLOCK INR4 DGND SWIN2 INL3 13 14...

  • Page 25: Ic Pin Function Descriptions

    STR-K650P 3-17. IC Pin Function Descriptions • IC1601 MB9047BPF-G-138-BND (SYSTEM CONTROL) Pin No. Pin Name Description DATAO Audio data signal input from DIR GP9 signal input from DSP BST signal output to DSP HCS signal output to DSP HACN HACN signal input from DSP...
  • Page 26 STR-K650P Pin No. Pin Name Description Operation mode setting input RDS CLOCK RDS clock signal input (Not used) RDS DATA RDS data signal input (Not used) SIRCS Data signal input from the remote control sensor FUSE DETECT Fuse detect signal input...

  • Page 27: Exploded Views

    STR-K650P SECTION 4 EXPLODED VIEWS NOTE: • -XX, -X mean standardized parts, so they may • The mechanical parts with no reference number The components identified by mark 0 or have some differences from the original one. in the exploded views are not supplied.

  • Page 28: Chassis Section

    STR-K650P 4-2. Chassis Section not supplied Q754 Q653 Q603 Q753 Q704 Q604 Q654 not supplied Q703 Q504 Q503 T901 supplied not supplied F901 supplied supplied supplied supplied not supplied not supplied supplied Ref. No. Part No. Description Remarks Ref. No.

  • Page 29: Electrical Parts List

    STR-K650P SECTION 5 DIGITAL ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • RESISTORS When indicating parts by reference number, parts list may be different from the parts All resistors are in ohms. please include the board name.
  • Page 30 STR-K650P DIGITAL Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C1615 1-162-995-11 CERAMIC CHIP 0.022uF < IC > C1616 1-162-995-11 CERAMIC CHIP 0.022uF C1617 1-162-974-11 CERAMIC CHIP 0.01uF IC1101 8-759-825-15 IC LC89056W-E C1618 1-164-156-11 CERAMIC CHIP 0.1uF...
  • Page 31 STR-K650P DIGITAL Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R1121 1-216-809-11 METAL CHIP 1/10W R1519 1-216-813-11 METAL CHIP 1/10W R1124 1-216-809-11 METAL CHIP 1/10W R1520 1-216-813-11 METAL CHIP 1/10W R1202 1-216-809-11 METAL CHIP 1/10W R1521...

  • Page 32: Digital Display

    STR-K650P DIGITAL DISPLAY Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R1657 1-216-833-11 METAL CHIP 1/10W C112 1-128-813-11 CERAMIC 220PF R1658 1-216-809-11 METAL CHIP 1/10W C114 1-164-159-11 CERAMIC 0.1uF R1659 1-216-833-11 METAL CHIP 1/10W C115 1-126-795-11 ELECT 10uF 20.00% 50V...
  • Page 33 STR-K650P DISPLAY HEADPHONE MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R115 1-249-429-11 CARBON 1/4W < JACK > R118 1-249-433-11 CARBON 1/4W R121 1-249-417-11 CARBON 1/4W F J791 1-815-314-21 JACK (PHONES) R122 1-249-421-11 CARBON 2.2K...
  • Page 34 STR-K650P MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C493 1-126-963-11 ELECT 4.7uF 20.00% 50V C722 1-126-964-11 ELECT 10uF 20.00% 50V C494 1-126-963-11 ELECT 4.7uF 20.00% 50V C732 1-128-582-11 ELECT 10uF 20.00% 100V C495 1-126-963-11 ELECT 4.7uF...
  • Page 35 STR-K650P MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks D733 8-719-911-19 DIODE 1SS133T-72 Q605 8-729-140-82 TRANSISTOR 2SA988TP-PAFAEA D734 8-719-911-19 DIODE 1SS133T-72 Q606 8-729-140-82 TRANSISTOR 2SA988TP-PAFAEA D740 8-719-911-19 DIODE 1SS133T-72 Q610 8-729-119-79 TRANSISTOR 2SC2785TP-FEK D750 8-719-911-19 DIODE 1SS133T-72...
  • Page 36 STR-K650P MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R408 1-249-417-11 CARBON 1/4W F 0 R615 1-249-405-11 CARBON 1/4W F 0 R616 R409 1-249-417-11 CARBON 1/4W F 1-234-182-11 ENCAPSULATED COMPONENT R410 1-249-437-11 CARBON 1/4W 0 R617...
  • Page 37 STR-K650P MAIN POWER STANDBY Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 0 R715 1-249-405-11 CARBON 1/4W F < RELAY > 0 R716 1-234-182-11 ENCAPSULATED COMPONENT 0 R717 1-249-393-11 CARBON 1/4W F RY501 1-515-921-11 RELAY RY560...
  • Page 38 STR-K650P STANDBY VIDEO VOLUME Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < FUSE HOLDER > < IC > FH901 1-533-293-11 FUSE HOLDER IC103 6-701-890-01 IC NJM2595D FH902 1-533-293-11 FUSE HOLDER IC804 8-759-701-65 IC NJM79M05FA IC807 8-759-039-69 IC uPC7805AHF <...
  • Page 39 STR-K650P MEMO...
  • Page 40 STR-K650P REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision...

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