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Sony STR-KSL50 Service Manual
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Sony STR-KSL50 Service Manual

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SERVICE MANUAL
Ver 1.0 2003. 06
• STR-KSL50 is the receiver section in HT-SL50.
Manufactured under license from Dolby Laboratories.
"Dolby", "Pro Logic" and the double-D symbol are
trademarks of Dolby Laboratories.
Amplifier section
POWER OUTPUT
Models of area code AEP, UK
Rated Power Output at Stereo Mode
(8 ohms 1 kHz, THD 0.7 %)
25 W + 25 W
Reference Power Output
2)
(8 ohms 1 kHz, THD 10 %)
FRONT
1)
: 35 W/ch
CENTER
1)
1)
SURR
: 35 W/ch
Models of other area code
Rated Power Output at Stereo Mode
(8 ohms 1 kHz, THD 0.7 %)
20 W + 20 W
Reference Power Output
2)
(8 ohms 1 kHz, THD 10 %)
1)
FRONT
: 30 W/ch
1)
CENTER
SURR
1)
: 30 W/ch
1) Depending on the sound field settings and the
source, there may be no sound output.
2) Measured under the following conditions:
Area code
Power requirements
MY, SP, AEP, UK
230 V AC, 50 Hz
Frequency response
TV/SAT, DVD, VIDEO: 10 Hz – 50 kHz
+0.5/–3 dB (with sound
field and tone by passed)
Inputs (Analog)
TV/SAT, DVD, VIDEO: Sensitivity: 250 mV
Impedance: 50 kilohms
S/N
3)
: 96 dB
(A, 250 mV
3) INPUT SHORT (with sound field and tone by
passed).
4) Weighted network, input level.
Sony Corporation
9-877-413-01
2003F16-1
Home Audio Company
© 2003.06
Published by Sony Engineering Corporation
SPECIFICATIONS
Inputs (Digital)
DVD (Coaxial)
2)
DVD, TV/SAT (Optical) Sensitivity: –
: 35 W
Outputs
SUB WOOFER
Tone
Gain levels:
2)
Video section
Inputs
Video:
: 30 W
Outputs
Video:
FM tuner section
Tuning range
Antenna terminals
Intermediate frequency
Sensitivity
Mono:
Stereo:
• Abbreviation
MY : Malaysia model.
4)
)
SP
: Singapore model.
STR-KSL50
Usable sensitivity
Sensitivity: –
S/N
Impedance: 75 ohms
S/N: 100 dB
Mono:
(A, 20 kHz LPF)
Stereo:
Harmonic distortion at 1 kHz
Impedance: –
Mono:
S/N: 100 dB
Stereo:
(A, 20 kHz LPF)
Separation
Voltage: 2 V
Frequency response
Impedance: 1 kilohms
Selectivity
±6 dB, 1 dB step
AM tuner section
Tuning range
Models of area code AEP, UK, MY, SP
1 Vp-p, 75 ohms
With 9-kHz tuning scale: 531 – 1602 kHz
Antenna
1 Vp-p, 75 ohms
Intermediate frequency
Usable sensitivity
87.5 – 108.0 MHz
S/N
75 ohms, unbalanced
Harmonic distortion
10.7 MHz
Selectivity
18.3 dBf, 2.2 µV/75 ohms
38.3 dBf, 22.5 µV/75
ohms

HOME THEATER SYSTEM

AEP Model
UK Model
E Model
11.2 dBf, 1 µV/75 ohms
76 dB
70 dB
0.3%
0.5%
45 dB at 1 kHz
30 Hz – 15 kHz
+0.5/–2 dB
60 dB at 400 kHz
Loop antenna
450 kHz
50 dB/m (at 999 kHz)
54 dB (at 50 mV/m)
0.5% (50 mV/m, 400 Hz)
At 9 kHz: 35 dB
— Continued on next page —

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  • Page 1: Home Theater System

    SERVICE MANUAL AEP Model UK Model Ver 1.0 2003. 06 E Model • STR-KSL50 is the receiver section in HT-SL50. Manufactured under license from Dolby Laboratories. “Dolby”, “Pro Logic” and the double-D symbol are trademarks of Dolby Laboratories. SPECIFICATIONS 11.2 dBf, 1 µV/75 ohms...

  • Page 2: Table Of Contents

    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 3: General

    STR-KSL50 SECTION 1 GENERAL This section is extracted from instruction manual. List of Button Locations and Reference Pages Illustration number How to use this page Use this page to find the location of buttons that are MUTING qs (14, 19, 37) mentioned in the text.

  • Page 4: Test Mode

    STR-KSL50 SECTION 2 TEST MODE FACTORY PRESET MODE FLUORESCENT INDICATOR TUBE TEST MODE * All preset contents are reset to the default setting. * All fluorescent segments are tested. When this test is activated, * Procedure: all segments turn on at the same time, then each segment turns on While depressing the PLII and the PRESET TUNING + buttons one after another.
  • Page 5 STR-KSL50 • DSP Test Mode Items Items Function Description Remark NORM Normal channel output t Front Left, Surround Left, Center channel output Left input Right input t Front Right, Surround Right, Sub Woofer channel output Selection of setting SWAP Left input...
  • Page 6 STR-KSL50 Items Function Description Remark “E- XXX-XX” is displayed. EEPROM READ – First four hex code is EEPROM address (controlled by +/– button). Last two hex code is EEPROM data. “S.RST- XXX” is displayed. EEPROM Super Reset – When YES is selected, press Cursor button to clear all EEPROM data DSP HALT MODE –...

  • Page 7: Diagrams

    STR-KSL50 SECTION 3 DIAGRAMS • Circuit Boards Location THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this necessary note is printed in each block.) For schematic diagrams. For printed wiring boards. Note: Note: • All capacitors are in µF unless otherwise noted. p : pF. 50 •...

  • Page 8: Main Section

    STR-KSL50 3-1. Block Diagrams – Main Section – AEP, UK TU901 TUNER UNIT IC1101 DIGITAL AUDIO I/F RECEIVER IC701 FL AMP TM601 L-CH AUDIO AUDIO 1 IN LRCK LRCK FRONT 21 XOUT IC751 FR AMP CKOUT R-CH X1101 CKOUT 12.288MHz...

  • Page 9: Display/Power Section

    STR-KSL50 – Display/Power Section – IC1601(2/2) SYSTEM CONTROL FL101 RV101 FLUORESCENT VOL(A) INDICATOR TUBE ENCODER VOL(B) S113, 116 IC1651 39 A/D1 FUKCTION BUFFER 14-29 42-31 D151-154 1 1A S111, 112 SEG1-16 GRID1-12 VIDEO LED IC152 DVD LED 40 A/D2 FUKCTION...

  • Page 10: Printed Wiring Board - Digital Section

    STR-KSL50 3-2. Printed Wiring Board – Digital Section – • See page 7 for Circuit Boards Location. • : Uses unleaded solder. IC1902 IC1101 IC1501 IC1502 IC1905 IC1552 AEP,UK IC1201 IC1503 AEP,UK TM301 TUNER UNIT * CN7 15P:AEP,UK AEP,UK 11P:MY,SP...

  • Page 11: Schematic Diagram - Digital (1/2) Section

    STR-KSL50 3-3. Schematic Diagram – Digital (1/2) Section – • See page 7 for Wavefoms. • See page 18 for IC Block Diagrams. • See page 19 for IC Pin Function Description. JR1121 C1220 100p C1202 C1201 C1203 C1913 X1201 13.5MHz...

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

    STR-KSL50 3-4. Schematic Diagram – Digital (2/2) Section – • See page 7 for Wavefoms. • See page 21 for IC Pin Function Description. C1312 IC1604 JR1114 BR24C16F-E2 C1614 CNS4 C1616 0.022 C1633 0.022 C1635 CNS3 R1635 R1687 FB1651 C1620...

  • Page 13: Printed Wiring Board - Main/Standby Section

    STR-KSL50 3-5. Printed Wiring Board – Main/Standby Section – • See page 7 for Circuit Boards Location. • : Uses unleaded solder. • Semiconductor Location DIGITAL AUDIO VIDEO Ref. No. Location TV/SAT IN DVD IN VIDEO IN VIDEO MONITOR (IMPEADANCE USE 8-16 )

  • Page 14: Schematic Diagram - Main (1/2) Section

    STR-KSL50 3-6. Schematic Diagram – Main (1/2) Section – • See page 18 for IC Block Diagrams. IC301 R301 TORX141PL C301 CN301 R302 C302 FB302 0.45UH IC302 TORX141PL R306 IC303 TC74HCU04AF D301 560k 1SS133 FB301 C307 0.45UH C305 R303 R304...

  • Page 15: Schematic Diagram - Main (2/2)/Standby Section

    STR-KSL50 3-7. Schematic Diagram – Main (2/2)/Standby Section – C706 C707 T901 CN801 D809 C701 D3SBA20 R701 IC701 SI18752 R702 C702 C703 100p 100p L707 R741 C709 C744 RY701 220p R704 R703 R810 0.47 1/4W R705 C741 0.01 C794 R707...
  • Page 16 STR-KSL50 3-8. Printed Wiring Board – Display Section – • See page 7 for Circuit Boards Location. • : Uses unleaded solder. IC102 IC152 • Semiconductor Location Ref. No. Location Ref. No. Location D151 B-12 IC102 D152 B-11 IC152 D153...

  • Page 17: Schematic Diagram - Display Section

    STR-KSL50 3-9. Schematic Diagram – Display Section – • See page 18 for IC Block Diagrams. FL101 R191 S111 S112 C158 C157 R192 10 50V S113 S116 RV101 S115 IC152 R194 R198 R199 IC102 NJL74H400A S114 C141 C159 C142 CN151...

  • Page 18: Ic Block Diagram

    STR-KSL50 3-10. IC Block Diagram IC152 µPD16315GB-3BS (DISPLAY Board) IC1501 AK4527B (DIGITAL Board) IC1101 LC89056W (DIGITAL Board) 44 43 42 41 40 39 38 37 36 35 34 DZF2 RIN+ RIN– INPUT SDOS CIRCUIT LIN+ KEY2 AUDIO C BIT PA/PB LIN–...

  • Page 19: Ic Pin Function Descriptions

    STR-KSL50 3-11. IC Pin Function Descriptions • IC1201 CXD9617R (AUDIO DSP) (DIGITAL BOARD) Pin No. Pin Name Description — Ground terminal XRST Rest input from the system control EXTIN Not used (connected to the ground) Not used (connected to the ground) VDD1 —...
  • Page 20 STR-KSL50 Pin No. Pin Name Description PAGE0 External memory page switch signal output Not used (open) BOOT Not used (connected to the ground) BTACT Boot mode status display signal Not used (open) Boot strap signal input from the system control (IC1601)
  • Page 21 STR-KSL50 • IC1601 MB90478PF-G-139-BND (SYSTEM CONTROL)(DIGITAL BOARD) Pin No. Pin Name Description DATA O Data input from the DIR (IC1101) External memory data input from the DSP (IC1201) Boot strap signal output to the DSP (IC1201) Chip select signal output to the DSP (IC1201)
  • Page 22 STR-KSL50 Pin No. Pin Name Description RDS DATA RDS data input from the tuner SIRCS Data input from the remote control receiver FUSE DETECT Fuse open detection signal input POWER KEY Power switch detection signal input 57, 58 NOT IN USE Not used (fixed at “L”)

  • Page 23: Exploded Views

    STR-KSL50 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 24: Chassis Section

    STR-KSL50 4-2. Chassis Section F901 T901 TM301 supplied Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 4-214-557-11 CUSHION 4-965-822-01 FOOT 0 F901 4-943-687-01 HOLDER, PC BOARD 1-532-463-51 FUSE (T1AL 250V) 1-687-431-11 STANDBY BOARD 1-763-561-22 FAN, D.C.

  • Page 25: Electrical Parts List

    STR-KSL50 SECTION 5 DIGITAL ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • COILS • Abbreviation uH: µH parts list may be different from the parts MY : Malaysia model. specified in the diagrams or the components •...
  • Page 26 STR-KSL50 DIGITAL Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C1633 1-164-156-11 CERAMIC CHIP 0.1uF < IC > (AEP,UK) C1635 1-164-156-11 CERAMIC CHIP 0.1uF IC1101 8-759-825-15 IC LC89056W-E C1640 1-164-156-11 CERAMIC CHIP 0.1uF IC1201 8-759-698-76 IC CXD9617R...
  • Page 27 STR-KSL50 DIGITAL Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R1208 1-216-809-11 METAL CHIP 1/10W R1554 1-216-815-11 METAL CHIP 1/10W R1209 1-216-809-11 METAL CHIP 1/10W R1555 1-216-830-11 METAL CHIP 5.6K 1/10W R1210 1-216-833-11 METAL CHIP 1/10W...
  • Page 28 STR-KSL50 DIGITAL DISPLAY MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R1657 1-216-833-11 METAL CHIP 1/10W < CAPACITOR > R1658 1-216-809-11 METAL CHIP 1/10W R1659 1-216-833-11 METAL CHIP 1/10W C112 1-126-947-11 ELECT 47uF 20.00% 16V...
  • Page 29 STR-KSL50 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < CAPACITOR > C482 1-126-963-11 ELECT 4.7uF 20.00% 50V C483 1-126-963-11 ELECT 4.7uF 20.00% 50V C202 1-126-964-11 ELECT 10uF 20.00% 50V C484 1-126-963-11 ELECT 4.7uF 20.00% 50V...
  • Page 30 STR-KSL50 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C701 1-126-963-11 ELECT 4.7uF 20.00% 50V * CN802 1-564-508-11 PLUG, CONNECTOR 5P CN820 1-770-479-11 PLUG,CONNECTOR PIN(PC BOARD)4P C702 1-128-809-11 CERAMIC 100PF C703 1-128-809-11 CERAMIC 100PF CN822...
  • Page 31 STR-KSL50 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks IC701 8-759-502-33 IC SI-18752 R366 1-249-429-11 CARBON 1/4W IC751 8-759-502-33 IC SI-18752 R367 1-249-441-11 CARBON 100K 1/4W < JACK > R368 1-249-437-11 CARBON 1/4W R369 1-249-425-11 CARBON 4.7K...
  • Page 32 STR-KSL50 MAIN POWER SW STANDBY Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R551 1-249-441-11 CARBON 100K 1/4W 0 R791 1-249-393-11 CARBON 1/4W F 0 R810 R552 1-247-843-11 CARBON 3.3K 1/4W 1-249-443-11 CARBON 0.47 1/4W R553...
  • Page 33 STR-KSL50 STANDBY Ref. No. Part No. Description Remarks < TRANSISTOR > Q901 8-729-119-78 TRANSISTOR 2SC2785TP-HFE Q951 8-729-119-78 TRANSISTOR 2SC2785TP-HFE < RESISTOR > R951 1-249-437-11 CARBON 1/4W R952 1-249-425-11 CARBON 4.7K 1/4W F 0 R953 1-249-381-11 CARBON 1/4W F R954 1-249-437-11 CARBON...
  • Page 34 STR-KSL50 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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