Sony STR-K890 Service Manual
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3 7 63 1515 0

SERVICE MANUAL

Ver. 1.0 2007.01
• STR-K890 is the tuner and the amplifier section
in HT-DDW890.
This receiver incorporates Dolby* Digital and Pro Logic Surround and
the DTS** Digital Surround System.
* Manufactured under license from Dolby Laboratories. "Dolby", "Pro
Logic", "Surround EX", and the double-D symbol are trademarks of
Dolby Laboratories.
** "DTS" and "DTS-ES Neo:6" are registered trademarks of DTS, Inc.
"96/24" is a trademark of DTS, Inc.
TE
L 13942296513
Amplifier section
1)
Power Output
Models of area code AEP, UK
Stereo mode (6 ohms, 1 kHz, THD 1%)
90 W + 90 W
2)
Surround mode
(reference) (6 ohms, 1 kHz,
THD 10%)
RMS output
FRONT:135 W
per channel
CENTER:135 W
SURROUND:135 W
per channel
SURROUND BACK:
135 W
1)
Measured under the following conditions:
Area code
Power requirements
AEP, UK
230 V AC, 50 Hz
2)
Reference power output for front, center, surround
and surround back speakers. Depending on the
sound field settings and the source, there may be
no sound output.
www
.
Sony Corporation
9-887-520-01
Home Audio Division
2007A16-1
Published by Sony Techno Create Corporation
© 2007.01
http://www.xiaoyu163.com
Inputs (Analog)
SA-CD/CD/CD-R,
TV, SAT, DVD,
VIDEO 1, 3
Inputs (Digital)
DVD (Coaxial)
SAT, VIDEO 2/BD
(Optical)
Outputs (Analog)
SA-CD/CD/CD-R
(OUT),
VIDEO 1 (AUDIO
OUT)
SUB WOOFER
Reproduction frequency range:
Tone
Gain levels
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u163
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i
http://www.xiaoyu163.com
STR-K890
2 9
8
SPECIFICATIONS
Q Q
3
6 7
1 3
1 5
Sensitivity: 800 mV
Impedance: 50 kohms
Sensitivity: –
Impedance: 75 ohms
Sensitivity: –
Impedance: –
Voltage: 800 mV
Impedance: 10 kohms
Voltage: 2 V
Impedance: 1 kohm
28 – 20,000 Hz
±6 dB, 1 dB step
MULTI CHANNEL AV RECEIVER
co
.
9 4
2 8
AEP Model
UK Model
0 5
8
2 9
9 4
2 8
FM tuner section
Tuning range
87.5 - 108.0 MHz
Antenna
FM wire antenna
Antenna terminals
75 ohms, unbalanced
Intermediate frequency
10.7 MHz
AM tuner section
Tuning range
Models of area code AEP, UK
With 9-kHz tuning scale:
531 – 1,602 kHz
Antenna
Loop antenna
Intermediate frequency
450 kHz
Video section
Inputs/Outputs
Video:
1 Vp-p, 75 ohms
COMPONENT VIDEO:
Y: 1 Vp-p, 75 ohms
P
/C
: 0.7 Vp-p, 75 ohms
B
B
P
/C
: 0.7 Vp-p, 75 ohms
R
R
80 MHz HD Pass Through
— Continued on next page —
m
9 9
9 9

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Summary of Contents for Sony STR-K890

  • Page 1: Service Manual

    SERVICE MANUAL AEP Model UK Model Ver. 1.0 2007.01 • STR-K890 is the tuner and the amplifier section in HT-DDW890. This receiver incorporates Dolby* Digital and Pro Logic Surround and the DTS** Digital Surround System. * Manufactured under license from Dolby Laboratories. “Dolby”, “Pro Logic”, “Surround EX”, and the double-D symbol are trademarks of...
  • Page 2 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: Table Of Contents

    STR-K890 3 7 63 1515 0 TABLE OF CONTENTS GENERAL ..............4 TEST MODE ............... 10 ELECTRICAL ADJUSTMENT ......12 DIAGRAMS ..............13 4-1. Block Diagram – MAIN Section – ........14 4-2. Block Diagram – DISPLAY/POWER Section – ..... 15 4-3.
  • Page 4: General

    STR-K890 SECTION 1 3 7 63 1515 0 GENERAL This section is extracted from instruction manual. Receiver Front panel MASTER VOLUME DISPLAY INPUT MODE INPUT SELECTOR SPEAKERS (OFF/A/B/A+B) AUTO CAL MIC MEMORY/ TUNING ENTER MODE TUNING A.F.D. MOVIE MUSIC...
  • Page 5: About Indicators On The Display

    STR-K890 3 7 63 1515 0 About the indicators on the display SP A D EX PL IIx DTS -ES 9 6 / 2 4 MEMORY RDS ST SP B COAX NEO:6 D.RANGE MONO Name Function Name Function A SW...
  • Page 6: Rear Panel

    STR-K890 3 7 63 1515 0 Rear panel DIGITAL OPTICAL ANTENNA DVD IN VIDEO 2/BD IN HDMI VIDEO 2/ BD IN COAXIAL SURROUND BACK VIDEO OUT SAT IN DVD IN VIDEO 1 IN MONITOR OUT VIDEO IN VIDEO IN...
  • Page 7 C Input buttons Press one of the buttons to You can use the supplied remote to operate the select the component you want receiver and to control the Sony audio/video to use. When you press any of the input buttons, the receiver components that the remote is assigned to turns on.
  • Page 8 TV CH +/– to select for DVD player or preset TV channels. DVD/VHS COMBO. PRESET Press to To display the options of Sony – select preset stations. /– TV, press TV (wj) and then – select preset channels of press OPTIONS TOOLS.
  • Page 9 Press also to enter the operations for Sony TVs only. selection of the receiver, wk RM SET UP Press to set up the remote. VCR, satellite tuner, DVD...
  • Page 10: Test Mode

    STR-K890 SECTION 2 3 7 63 1515 0 TEST MODE SOUND FIELD CLEAR MODE SWAP ALL MODE The preset sound field is cleared when this mode is activated. Use The signal will be swapped to all channels so that all speakers will this mode before returning the product to clients upon completion have sound output.
  • Page 11 STR-K890 3 7 63 1515 0 1. DCAC DSP Data Line Checking After press the TUNING MODE , DCAC Factory test mode will start, below display will show: “DCAC[][][]x” x = 1, 2, 3, 4 If there is error happen, below display will show: x = 1 →...
  • Page 12: Electrical Adjustment

    STR-K890 SECTION 3 3 7 63 1515 0 ELECTRICAL ADJUSTMENT TUNER SECTION [FM Auto Stop Check] generator 75 Ω Procedure: 1. Turn the power on. 2. Input the following signal from Signal Generator to FM antenna input directly. * Carrier Freq : A = 87.5 MHz, B = 98 MHz, C = 108 MHz...
  • Page 13: Diagrams

    STR-K890 SECTION 4 3 7 6 3 1 5 1 5 0 DIAGRAMS THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. • Circuit Boards Location (In addition to this, the necessary note is printed in each block.) For Schematic Diagrams.
  • Page 14: Block Diagram - Main Section

    STR-K890 4-1. BLOCK DIAGRAM – MAIN SECTION – 3 7 6 3 1 5 1 5 0 IC401 ANALOG SOUND PROCESSOR J402 J402(1/2) (2/2) VIDEO 1 AUDIO IN INDL ROUTAL AUDIO OUT VIDEO 1 J405 J405 (1/2) (2/2) SA-CD/CD/CD-R...
  • Page 15: Block Diagram - Display/Power Section

    STR-K890 4-2. BLOCK DIAGRAM – DISPLAY/POWER SECTION – 3 7 6 3 1 5 1 5 0 J309 AUDIO OUT SUB WOOFER RY560 Q560 RELAY DRIVE TM602 IC807 VIDEO IC701 RY710 FRONT B POWER AMP Q611 IC1902 R-CH RELAY...
  • Page 16: Printed Wiring Board - Digital Board (Side A)

    STR-K890 4-3. PRINTED WIRING BOARD – DIGITAL BOARD (SIDE A) – • See page 13 for Circuit Boards Location. :Uses unleaded solder. 3 7 6 3 1 5 1 5 0 • Semiconductor Location DIGITAL BOARD (SIDE A) Ref. No.
  • Page 17: Printed Wiring Board - Digital Board (Side B)

    STR-K890 4-4. PRINTED WIRING BOARD – DIGITAL BOARD (SIDE B) – • See page 13 for Circuit Boards Location. :Uses unleaded solder. 3 7 6 3 1 5 1 5 0 MAIN STANDBY MAIN VIDEO DCDC BOARD BOARD BOARD...
  • Page 18: Schematic Diagram - Digital Board (1/5)

    STR-K890 4-5. SCHEMATIC DIAGRAM – DIGITAL BOARD (1/5) – • See page 13 for Waveform. • See page 38 for IC Block Diagram. 3 7 6 3 1 5 1 5 0 DIGITAL BOARD (1/5) CNS509 DIGITAL CL013 BOARD...
  • Page 19: Schematic Diagram - Digital Board (2/5)

    STR-K890 4-6. SCHEMATIC DIAGRAM – DIGITAL BOARD (2/5) – • See page 13 for Waveform. • See page 38 for IC Block Diagram. 3 7 6 3 1 5 1 5 0 DIGITAL BOARD DIGITAL BOARD (4/5) (5/5) (Page 21)
  • Page 20: Schematic Diagram - Digital Board (3/5)

    STR-K890 4-7. SCHEMATIC DIAGRAM – DIGITAL BOARD (3/5) – • See page 38 for IC Block Diagrams. 3 7 6 3 1 5 1 5 0 DIGITAL BOARD (1/5) (Page 18) DIGITAL BOARD (3/5) DOUT TUNER_L TUNER_R FB1503 R1556...
  • Page 21: Schematic Diagram - Digital Board (4/5)

    STR-K890 4-8. SCHEMATIC DIAGRAM – DIGITAL BOARD (4/5) – 3 7 6 3 1 5 1 5 0 MAIN BOARD STANDBY MAIN BOARD (4/4) (4/4) BOARD CNP913 CNP903 CNP912 (Page 27) (Page 31) (Page 27) CNP503 CNP505 DIGITAL BOARD...
  • Page 22: Schematic Diagram - Digital Board (5/5)

    STR-K890 4-9. SCHEMATIC DIAGRAM – DIGITAL BOARD (5/5) – • See page 13 for Waveform. • See page 41 for IC Pin Function Description. 3 7 6 3 1 5 1 5 0 DIGITAL BOARD (4/5) (Page 21) 91 92...
  • Page 23: Printed Wiring Board - Main Board

    STR-K890 4-10. PRINTED WIRING BOARD – MAIN BOARD – • See page 13 for Circuit Boards Location. :Uses unleaded solder. 3 7 6 3 1 5 1 5 0 J309 SPEAKERS(IMPEDANCE USE 6-16Ω) J405 J403 J402 DCAC TM602 BOARD...
  • Page 24: Schematic Diagram - Main Board (1/4)

    STR-K890 4-11. SCHEMATIC DIAGRAM – MAIN BOARD (1/4) – 3 7 6 3 1 5 1 5 0 IC3002 MAIN BOARD (1/4) IC3002 NJM4565M(TE2) J405 C409 J405 R409 R3020 R3010 CC09 CC59 100p 100p C459 C3034 R3023 R3021 R459...
  • Page 25: Schematic Diagram - Main Board (2/4)

    STR-K890 4-12. SCHEMATIC DIAGRAM – MAIN BOARD (2/4) – • See page 38 for IC Block Diagrams. 3 7 6 3 1 5 1 5 0 MAIN BOARD (2/4) R794 IC701 BOOSTER IC B/D POWER AMP Q701 C717 Q703...
  • Page 26: Schematic Diagram - Main Board (3/4)

    STR-K890 4-13. SCHEMATIC DIAGRAM – MAIN BOARD (3/4) – • See page 38 for IC Block Diagram. 3 7 6 3 1 5 1 5 0 MAIN BOARD (2/4) (Page 25) 27 26 MAIN BOARD (3/4) IC501 IC B/D...
  • Page 27: Schematic Diagram - Main Board (4/4)

    STR-K890 4-14. SCHEMATIC DIAGRAM – MAIN BOARD (4/4) – 3 7 6 3 1 5 1 5 0 MAIN BOARD MAIN BOARD (1/4) (3/4) (Page 24) (Page 26) 31 32 MAIN BOARD (4/4) C471 IC801 R469 R468 100k +7V REG...
  • Page 28: Printed Wiring Boards - Display Board, Power Key Board

    STR-K890 4-15. PRINTED WIRING BOARDS – DISPLAY BOARD, POWER KEY BOARD – • See page 13 for Circuit Boards Location. :Uses unleaded solder. 3 7 6 3 1 5 1 5 0 DISPLAY BOARD CL028 CL060 JW140 R197 CL058...
  • Page 29: Schematic Diagram - Display Board, Power Key Board

    STR-K890 4-16. SCHEMATIC DIAGRAM – DISPLAY BOARD, POWER KEY BOARD – • See page 38, 39 for IC Block Diagrams. 3 7 6 3 1 5 1 5 0 DISPLAY BOARD FL101 (FLORESCENT INDICATOR TUBE) CN108 R198 R197 CL029...
  • Page 30: Printed Wiring Boards - Standby Board, Dcdc Board

    STR-K890 4-17. PRINTED WIRING BOARDS – STANDBY BOARD, DCDC BOARD – • See page 13 for Circuit Boards Location. :Uses unleaded solder. 3 7 6 3 1 5 1 5 0 • Semiconductor T901 Location POWER TRANSFORMER Ref. No.
  • Page 31: Standby Board, Dcdc Board

    STR-K890 4-18. SCHEMATIC DIAGRAM – STANDBY BOARD, DCDC BOARD – 3 7 6 3 1 5 1 5 0 DCDC BOARD SI-8050S-LF1101 IC4001 IC4001 +6.3V REG R810 F4001 CN4001 L4001 STANDBY BOARD 0.22 CNP804 T3.15AL/250V 100uH 1/2W FH4001 FH4002...
  • Page 32: Printed Wiring Boards - Dcac Board, Video3 Board

    STR-K890 4-19. PRINTED WIRING BOARDS – DCAC BOARD, VIDEO3 BOARD – • See page 13 for Circuit Boards Location. :Uses unleaded solder. 3 7 6 3 1 5 1 5 0 J298 VIDEO3 IN / PORTABLE AV IN AUDIO...
  • Page 33: Schematic Diagram - Dcac Board, Video3 Board

    STR-K890 4-20. SCHEMATIC DIAGRAM – DCAC BOARD, VIDEO3 BOARD – 3 7 6 3 1 5 1 5 0 J298 VIDEO3 IN/ PORTABLE AV IN C2005 DCAC BOARD AUDIO R2000 C2002 J2000 R2019 AUTO CAL MIC VIDEO 2.2k R2005...
  • Page 34: Printed Wiring Boards - Video Board, Headphone Board

    STR-K890 4-21. PRINTED WIRING BOARDS – VIDEO BOARD, HEADPHONE BOARD – • See page 13 for Circuit Boards Location. :Uses unleaded solder. 3 7 6 3 1 5 1 5 0 COMPONENT VIDEO J302 J301 SAT IN DVD IN...
  • Page 35: Schematic Diagram - Video Board, Headphone Board

    STR-K890 4-22. SCHEMATIC DIAGRAM – VIDEO BOARD, HEADPHONE BOARD – • See page 40 for IC Block Diagrams. 3 7 6 3 1 5 1 5 0 VIDEO BOARD VIDEO3 BOARD C210 JW204 C214 R219 CN201 R220 VIDE03 (Page 33)
  • Page 36: Printed Wiring Board - Hdmi Sw Board

    STR-K890 4-23. PRINTED WIRING BOARD – HDMI SW BOARD – • See page 13 for Circuit Boards Location. :Uses unleaded solder. 3 7 6 3 1 5 1 5 0 VIDEO BOARD CN204 HDMI SW BOARD HDMI SW BOARD...
  • Page 37: Schematic Diagram - Hdmi Sw Board

    STR-K890 4-24. SCHEMATIC DIAGRAM – HDMI SW BOARD – • See page 39 for IC Block Diagram. 3 7 6 3 1 5 1 5 0 HDMI SW BOARD R5027 R5047 R5068 100k R5028 R5016 C5027 IC5002 TP5016 R5017...
  • Page 38 STR-K890 3 7 6 3 1 5 1 5 0 • IC Block Diagrams – DIGITAL Board – – DIGITAL Board – IC1301 LC89056W-E IC1452 PCM1609APT IC1503 TC7WH157FU 31 30 36 35 34 33 VCC3 FUNCTION AGND3 CONTROL VCC4...
  • Page 39 STR-K890 3 7 63 1515 0 – DISPLAY Board – IC100 PT6315 Grid driver Multiplexed driver SEG19/GRID10 Command decoder LED1 SEG18/GRID11 LED2 Display memory LED3 SEG17/GRID12 24 bits x 12 words LED4 Timing generator key scan DOUT SEG16/KS16 L 13942296513...
  • Page 40 STR-K890 3 7 63 1515 0 – VIDEO Board – IC203 NJM2595D 75Ω Driver 75Ω VI.OUT Driver L 13942296513 75Ω M.OUT Driver IC304 NJM2586AL 75Ω CH1_IN1 CH1_OUT DRIVER BIAS CONT1 P.SAVE 75Ω CH1_IN2 CH2_OUT DRIVER BIAS CONT1 CONT2 75Ω...
  • Page 41 STR-K890 3 7 63 1515 0 • IC Pin Function Description DIGITAL BOARD IC1101 MB90F045PF-G-9034-SPE1 (SYSTEM CONTROLLER) Pin No. Pin Name Description DATAO Audio data signal input from DIR GP9 signal input from DSP BST signal output to DSP...
  • Page 42 STR-K890 3 7 63 1515 0 Pin No. Pin Name Description TUNER CLK Tuner clock signal output TUNER DATA Tuner data signal output STOP AC off detect signal input Operation mode setting input Operation mode setting input Operation mode setting input...
  • Page 43 STR-K890 3 7 63 1515 0 Pin No. Pin Name Description Clock signal output to DIR Chip enable signal output to DIR Data signal output to DIR Data signal input from DIR ERROR PLL error muting signal input from DIR...
  • Page 44: Exploded Views

    STR-K890 SECTION 5 3 7 63 1515 0 EXPLODED VIEWS NOTE: • -XX and -X mean standardized parts, so they • Items marked “*” are not stocked since they The components identified by mark 0 or may have some difference from the original are seldom required for routine service.
  • Page 45: Chassis Section

    STR-K890 3 7 63 1515 0 5-2. CHASSIS SECTION supplied Q753 Q754 supplied Q654 Q703 Q604 Q704 Q504 Q603 Q653 F901 supplied supplied Q503 Q533 supplied Q534 supplied F4002 supplied F4001 supplied T901 supplied supplied L 13942296513 not supplied Ref.
  • Page 46: Electrical Parts List

    STR-K890 SECTION 6 DCAC DCDC DIGITAL 3 7 63 1515 0 ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • COILS uH: µH When indicating parts by reference number, parts list may be different from the parts please include the board name.
  • Page 47 STR-K890 DIGITAL 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C1103 1-126-947-11 ELECT 47uF C1413 1-162-961-11 CERAMIC CHIP 330PF C1107 1-100-566-91 CERAMIC CHIP 0.1uF C1414 1-162-970-11 CERAMIC CHIP 0.01uF C1415 1-162-970-11 CERAMIC CHIP 0.01uF...
  • Page 48 IC1301 8-759-825-15 IC LC89056W-E C1911 1-100-566-91 CERAMIC CHIP 0.1uF IC1303 8-759-096-87 IC TC7WU04FU (TE12R) IC1351 6-600-466-01 IC TORX147L (SONY) (VIDEO 2 / BD IN) C1913 1-137-980-91 CERAMIC CHIP 0.47uF IC1354 6-600-466-01 IC TORX147L (SONY) (SAT IN) C1914 1-126-947-11 ELECT 47uF...
  • Page 49 STR-K890 DIGITAL 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R1180 1-216-833-11 METAL CHIP 1/10W R1049 1-216-833-11 METAL CHIP 1/10W R1181 1-216-833-11 METAL CHIP 1/10W R1050 1-216-809-11 METAL CHIP 1/10W...
  • Page 50 STR-K890 DIGITAL DISPLAY 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R1641 1-216-833-11 METAL CHIP 1/10W R1434 1-218-867-11 METAL CHIP 6.8K 0.5% 1/10W R1642 1-216-833-11 METAL CHIP 1/10W R1435 1-216-864-11 SHORT CHIP...
  • Page 51 STR-K890 DISPLAY HDMI SW 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < RESISTOR > C5015 1-128-994-21 ELECT CHIP 47uF R101 1-249-409-11 CARBON 1/4W C5016 1-162-970-11 CERAMIC CHIP 0.01uF R102...
  • Page 52 STR-K890 HDMI SW HEADPHONE MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R5043 1-216-829-11 METAL CHIP 4.7K 1/10W C485 1-126-964-11 ELECT 10uF R5047 1-216-864-11 SHORT CHIP C488 1-164-156-11 CERAMIC CHIP 0.1uF...
  • Page 53 STR-K890 MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C681 1-162-970-11 CERAMIC CHIP 0.01uF C3022 1-165-908-11 CERAMIC CHIP C691 1-164-156-11 CERAMIC CHIP 0.1uF C3024 1-126-963-11 ELECT 4.7uF C3025 1-164-156-11 CERAMIC CHIP 0.1uF...
  • Page 54 STR-K890 MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D701 6-501-193-01 DIODE 1SS355WTE-17 Q571 8-729-119-76 TRANSISTOR 2SA1175-HFE Q572 8-729-141-30 TRANSISTOR 2SC3623A-LK D705 6-501-193-01 DIODE 1SS355WTE-17 D710 6-501-193-01 DIODE 1SS355WTE-17...
  • Page 55 STR-K890 MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R470 1-216-841-11 METAL CHIP 1/10W R601 1-216-821-11 METAL CHIP 1/10W R602 1-216-843-11 METAL CHIP 1/10W R473 1-216-841-11 METAL CHIP 1/10W...
  • Page 56 STR-K890 MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R698 1-216-833-11 METAL CHIP 1/10W R769 1-216-214-00 RES-CHIP 4.7K 1/8W R770 1-216-845-11 METAL CHIP 100K 1/10W R699 1-216-853-11 METAL CHIP...
  • Page 57 STR-K890 MAIN POWER KEY STANDBY VIDEO 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark TM603 1-780-451-11 BANANA-PUSH TERMINAL BOARD (4P) < RESISTOR > (SURROUND BACK,CENTER) 0 R810 1-243-634-91 FUSIBLE 0.22...
  • Page 58 STR-K890 VIDEO VIDEO3 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < IC > 1-828-973-11 WIRE (FLAT TYPE) (13 CORE) 1-828-963-11 WIRE (FLAT TYPE) (11 CORE) IC203 6-701-890-01 IC NJM2595D 0 F4001 1-532-465-33 FUSE(T3.15AL/250V)
  • Page 59 STR-K890 3 7 63 1515 0 MEMO L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 60 STR-K890 3 7 63 1515 0 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.

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