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SERVICE MANUAL

Sony Corporation

Published by Sony Techno Create Corporation

SWF-BR100

WIRELESS SUBWOOFER

9-893-941-02

2014D33-1

© 

2014.04

US Model

Canadian Model

AEP Model

UK Model

Australian Model

Chinese Model

Mexican Model

Chilean Model

New Zealand Model

Hong Kong Model

Taiwan Model

Ver. 1.1  2014.04

•  All of the units included in the SWF-BR100 (wire-

less transceiver: UWT-BR100, Audio cable), and 
the TV corresponding to SWF-BR100 are required 
to con

fi

 rming operation of SWF-BR100.

  Check in advance that you have all of the units.
  Refer to the operating instructions of the SWF-

BR100 or operating instructions of the TV corre-
sponding to SWF-BR100 for the operation method.

SPECIFICATIONS

Wireless Subwoofer
(SWF-BR100)

Amplifier section
For U.S.A model:

(FTC)
With 4 ohms load, subwoofer 
channel driven, from 30 - 150 Hz; 
rated 45 W per channel minimum 
RMS power, with no more than 1% 
total harmonic distortion from 250 
milliwatts to rated output. 
POWER OUTPUT (reference) 
100 W (per channel at 4 ohms, 
100 Hz) 

For except US model: 

POWER OUTPUT (rated) 

70 W (4 ohms, 100 Hz, 1% THD)
 (Except Chinese model) 

70 W (4 ohms, 100 Hz) 
 (Chinese model)

POWER OUTPUT (reference) 
100 W (4 ohms, 100 Hz)
 (Except Chinese model) 

Speaker System
Subwoofer, sealed enclosure
Speaker Unit
200 mm cone type
Rated impedance
4 ohms

Power requirements
120 V AC, 60 Hz
 (US, Canadian and Mexican models)
220V - 240V AC, 50/60 Hz
 (UK and Hong Kong models)
240V AC, 50/60 Hz
 (Australian and New Zealand models)
220V AC, 50/60 Hz (Chinese model)
110V AC, 50/60 Hz (Taiwan model)
120V - 240V AC, 50/60 Hz (other models)

Power consumption
On: 30W 
Standby mode: 0.5W or less
Dimensions (approx.) (w/h/d)
272 mm x 306 mm x 395 mm
10 3/4 in x 12 1/8 in x 15 5/8 in
Mass (approx.)
12.2kg
26 lb 14 3/10 oz

Wireless Transceiver
(UWT-BR100)

Communication system
Wireless Sound Specification 
version 3.0
Frequency band
5GHz band 
(5.180/5.200/5.210/5.240GHz, 
5.736/5.762/5.814GHz)
The frequency bands to use are 
different by country.
Modulation method
DSSS
Power requirement
5V DC
Power consumption
500 mA
Dimensions (approx.)
19 mm x 27 mm x 91 mm 
3/4 in x 1 1/8 in x 3 5/8 in
(w/h/d)
Mass (approx.)
25g
7/8oz

Supplied accessories 

Audio cable (1)

Design and specifications are 
subject to change without notice.

Summary of Contents for SWF-BR100

Page 1: ...or except US model POWER OUTPUT rated 70 W 4 ohms 100 Hz 1 THD Except Chinese model 70 W 4 ohms 100 Hz Chinese model POWER OUTPUT reference 100 W 4 ohms 100 Hz Except Chinese model Speaker System Subwoofer sealed enclosure Speaker Unit 200 mm cone type Rated impedance 4 ohms Power requirements 120 V AC 60 Hz US Canadian and Mexican models 220V 240V AC 50 60 Hz UK and Hong Kong models 240V AC 50 60...

Page 2: ...t Earth Ground Fig A Using an AC voltmeter to check AC leakage SAFETY RELATED COMPONENT WARNING 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 ATTENTION AU COMPOSANT AYANT RAPPORT À ...

Page 3: ...dio cable and the TV corresponding to SWF BR100 are required to confirming operation of SWF BR100 Check in advance that you have all of the units Refer to the operating instructions of the SWF BR100 or operat ing instructions of the TV corresponding to SWF BR100 for the operation method NOTE OF PERFORMING THE OPERATION CHECK IN THE STATE THAT HEAT SINK WAS REMOVED When performing the operation che...

Page 4: ...s White only 4 530 053 0 UCM US Canadian and Mexican models for White 4 530 054 0 GE3 AEP and Chilean models White only 4 530 056 0 AZ1 Australian and New Zealand models 4 530 057 0 GE2 UK and Hong Kong models 4 530 059 0 CN8 Chinese model 4 530 060 0 TW6 Taiwan model 4 535 821 0 UCM US Canadian and Mexican models for Black 4 542 391 0 GE3 AEP Russian and Chilean models for White 4 542 392 0 GE3 A...

Page 5: ...D BOARD Page 10 2 8 FUSE H B C F900 Page 11 2 9 RF MODULATOR RF100 Page 12 2 11 POWER CORD AC1 Page 13 2 10 MAIN BOARD Page 13 2 12 POWER BOARD Page 13 JIG When disassembling the unit use the following jig for speaker removal Part No Description J 2501 238 A JIG FOR SPEAKER REMOVAL 1 three screws BVTP3 u 8 1 three screws BVTP3 u 8 hole hole boss boss bottom view Note 2 Please spread a sheet under ...

Page 6: ...ottom plate block Note 1 When installing the bottom plate block align four bosses and four holes 4 Draw out the power cord from hole of bottom plate block 5 bushing XL Note 3 Before beginning assembly if the bushings XL have been removed from the bottom plate be sure to reattach the bushings XL to the bottom plate 5 bushing XL Note 3 Before beginning assembly if the bushings XL have been removed f...

Page 7: ...er 20 cm SP100 3 terminal narrow side 3 terminal wide side 2 Remove the loudspeaker 20 cm SP100 in the direction of the arrow bottom view Note Please spread a sheet under a unit not to injure top panel ow to iQVtDOO tKe OoXGVSeDNeU Fm 63 loudspeaker 20 cm SP100 terminal position ...

Page 8: ...2 connector CN106 3 Remove the AMP block in the direction of the arrow 4 connector CN105 ERWWRP YLHZ Note 2 Please spread a sheet under a unit not to injure top panel 5 AMP block Note 1 When installing the AMP block refer to 2 6 HOW TO INSTALL THE AMP BLOCK on page 9 ...

Page 9: ...ot to injure top panel 2 Pull the wire from the LED board out the rear side sectional view 3 Pull the speaker cable toward the speaker speaker cable Note 2 While using your finger to hold the speaker cable so that it does not get pushed under the amp block insert the amp block Note 3 When installing the amp block be careful not crush the bushings XL in the speaker cabinet with the shafts shaft sha...

Page 10: ...emoved 2 All bosses are removed while moving jig in the direction of the arrow and panel back block is removed 4 two screws BVTP 2 6 6 connector CN801 7 LED board 5 panel back block bottom view total six bosses 1 Insert the jig into the space and slowly remove the panel back block Note 1 When using a jig please work so as not to injure panel back block and speaker cabinet Note 2 Please spread a sh...

Page 11: ...SWF BR100 11 2 8 FUSE H B C F900 hole hole rib rib 1 six screws BVTP3 u 8 1 six screws BVTP3 u 8 3 fuse H B C F900 2 case top Note When installing the case top align two ribs and two holes ...

Page 12: ...100 2 screw BVTP3 u 8 6 housing bottom 5 housing top block 3 flexible flat cable FFC1 RF modulator block Terminal face is below side flexible flat cable FFC1 LUH VHWWLQJ Note When installing the flexible flat cable ensure that the colored line is not slanted after insertion flexible flat cable colored line connector ...

Page 13: ...TP3 u 8 4 screw BVTP3 u 8 2 12 POWER BOARD 2 11 POWER CORD AC1 RZ WR LQVWDOO WKH FRUG EXVKLQJ 6 power cord AC1 cord bushing FBS001 claw to POWER board 2 cord bushing FBS001 3 power cord AC1 1 connector CN900 80 5 mm 2 four screws BVTP3 u 8 3 POWER board 1 connector CN104 Note When the complete MAIN board is replaced refer to NOTE OF REPLACING THE IC104 ON THE MAIN BOARD AND THE COMPLETE MAIN BOARD...

Page 14: ...57 LED_RED 56 LED_GREEN LED DRIVE Q109 111 S802 SECURE SHUNT REGULATOR IC950 AC1 AC IN F900 TH900 D911 RECT D900 POWER CONTROL IC910 T901 SUB POWER TRANSFORMER DRAIN 8 DRAIN 7 ISOLATOR PC901 ISOLATOR PC902 VCC 2 FB 4 1 POWER CONTROL IC920 D T902 MAIN POWER TRANSFORMER D924 D928 D925 926 OVER LOAD PROTECT Q921 922 4 VCC 7 OCP BD 5 OLP SS TH920 RECT D940 D902 6 FB REGULATOR Q923 D950 POWER ON OFF CO...

Page 15: ...rom the parts face are indicated Note When the complete MAIN board is replaced refer to NOTE OF REPLACING THE IC104 ON THE MAIN BOARD AND THE COMPLETE MAIN BOARD on page 3 Note When the complete MAIN board is replaced refer to NOTE OF REPLACING THE IC104 ON THE MAIN BOARD AND THE COMPLETE MAIN BOARD on page 3 Indication of transistor C B These are omitted E Q C E B These are omitted Caution Patter...

Page 16: ...126 R127 R130 C101 C102 C103 C104 C105 C106 C107 C108 C109 R146 R147 R148 R149 X100 C110 X101 C114 C115 R151 C116 R152 R153 R154 C118 C119 R158 R159 R160 C122 C125 C126 C127 R164 R165 C129 R167 C130 C131 C132 C133 C134 C135 R171 C136 R172 C137 R173 R174 C138 R175 C139 R176 R177 R178 R179 C140 C141 R180 JL128 R181 R182 R183 C148 R184 R185 C149 R186 R187 R188 JL130 JL131 JL132 JL133 JL134 JL135 C152...

Page 17: ...L148 CL168 CL169 CL175 CL176 CL177 CL178 CL179 CL180 CL181 CL182 CL183 CL185 CL186 CL187 JL104 JL105 JL106 JL107 JL108 JL109 JL110 JL111 JL112 JL113 JL114 JL115 JL116 JL117 JL118 JL119 JL120 JL121 JL122 JL123 JL124 JL125 JL126 JL127 JL129 JL140 JL142 JL144 JL147 JL148 JL150 JL151 JL152 JL153 JL154 JL155 JL156 JL158 JL159 JL160 JL161 JL171 JL172 JL173 JL174 MAIN BOARD SIDE B 1 889 752 11 11 A B C D...

Page 18: ... JL124 JL123 JL105 RN1902 Q109 1 2 3 4 5 6 RN2902 Q111 1 2 3 4 5 6 R5F3650ECDFB IC111 1 2 3 4 5 28 SDA2 29 SDA1 30 SCL1 71 INT5 72 KEY_PW 73 KEY_PAIR 74 75 WS_SDA 96 VREF 97 AVCC 98 SIN4 99 SOUT4 100 JIG 26 PCON1 3 3V 27 SCL2 6 BYTE 7 CNVSS 8 9 10 RESET 11 XOUT 12 VSS 31 CLK1 32 RTS1 33 DAMP_SCDT 34 35 DAMP_SHIFT 36 37 PCON_PVDD 66 INT6 67 WS_F_DET 82 68 WS_DET 82 69 WS_GPIO2 INT 70 WS_RESET 64 PV...

Page 19: ...ND_A OUT_A PVDD_A PVDD_A NC BST_A GVDD_A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 CXD9843AR IC105 XVSS VSUBC VSSR OUTR2 VDDR OUTR1 VSSR VSSL OUTL2 VDDL OUTL1 VSSL XOVSS XFSOOUT XOVDD DVDD DVSS NSPMUTE SOFTMUTE PGMUTE SCDT SCSHIFT SCLATCH FLAGR FLAGL SFLAG INIT MCKSEL LRCK BCK DATA BFVDD BFVSS TEST DVDD XF...

Page 20: ...911 CL912 CL913 CL914 CL915 CL916 CL917 CL918 CL920 CL921 CL922 CL923 CL924 CL925 CL926 CL927 CL928 CL929 CL930 CL940 CL941 CL942 CL943 CL950 CL951 CL952 CL953 CL960 CL962 CL963 CL964 Q921 Q922 Q923 Q960 Q961 R901 Q962 R902 R903 R904 R905 R910 R914 R915 R916 R920 R925 R927 R929 R930 R931 R932 R940 R941 R942 R943 R944 R945 R946 R947 R949 R950 R951 C916 R953 R955 R956 R957 JL900 JL901 R959 JL902 JL9...

Page 21: ...ND FB START_UP DRAIN DRAIN 4 3 1 2 MM1431CURE IC940 NC 4 3 1 2 MM1431CURE IC950 NC 1 3 4 5 6 7 STR W6765N IC920 D S GND Vcc OLP SS FB OCP BD JL914 JL904 JL913 JL905 JL908 JL917 JL903 JL919 JL902 JL900 JL901 JL911 JL906 JL912 JL909 JL915 JS904 JS903 JS905 LF902 LF901 EL816M B DTE S PC902 1 2 4 3 EL816M B DTE S PC901 1 2 4 3 EL816M B DTE S PC903 1 2 4 3 2SA1980 AT Q901 LSCR523UBFS8TL Q961 2SD1388TP ...

Page 22: ... VREG PROTECTION AND I O LOGIC OVERLOAD PROTECTION PWM RCV CTRL TIMING GATE DRIVE BTL PBTL CONFIGURATION PULLDOWN RESISTOR 44 43 42 41 40 39 38 37 35 27 16 PWM RCV CTRL TIMING GATE DRIVE BTL PBTL CONFIGURATION PULLDOWN RESISTOR 26 33 34 32 31 30 8 PWM RCV CTRL TIMING GATE DRIVE BTL PBTL CONFIGURATION PULLDOWN RESISTOR 29 24 25 23 36 18 19 20 21 22 PWM RCV CTRL TIMING GATE DRIVE BTL PBTL CONFIGURAT...

Page 23: ...MUTE SAMPLING RATE CONVERTER FILTER LOW CUT FILTER LINER INTERPOLATOR 6 48 XFSOIN 47 XVDD HPVDDL 46 45 HPOUTL1 HPVSSL 44 43 HPOUTL2 HPVDDR 42 41 HPOUTR1 HPVSSR 40 HPOUTR2 39 37 FSOCKO 38 FSOI 13 XOVSS 14 XFSOOUT 15 XOVDD 16 DVDD 17 DVSS 18 NSPMUTE 19 SOFTMUTE 20 PGMUTE SERIAL CONTROLLER 21 SCDT 22 SCSHIFT 23 SCLATCH 24 OVFFLAGR 28 MCKSEL 32 BFVDD 33 BFVSS 34 TEST 35 DVDD 36 XFSIIN LRCK BCK DATA VO...

Page 24: ...ON OFF CONTROL 1 VC TSD 2 VIN 3 GND 4 VOUT 5 ADJ REF POWER Board IC910 STR A6159M 1 SOURCE OCP 8 D 7 D 5 STARTUP 6 NC 2 VCC 4 FB OLP 3 GND THERMAL SHUTDOWN DELAY BUFFER BLANKING DISCHARGE LATCH INTERNAL BIAS UNDERVOLTAGE LOCKOUT OVER LOAD PROTECTION OVER VOLTAGE PROTECTION OVER CURRENT PROTECTION OFF TIMER DRIVE S R PWM LATCH FEED BACK BIAS BURST Q ...

Page 25: ...TR W6765N D 1 NC 2 S GND 3 VCC 4 SS OLP 5 FB 6 OCP BD 7 DELAY Q R S Q S R BOTTOM SELECTOR COUNTER OSC R Q S SOFT START OVP REGULATOR ICONST BURST CONTROL START STOP BURST PROTECTION LATCH DRIVE REGULATOR OLP BSD BD OCP FB ...

Page 26: ...n to send signal output terminal for flash writing 33 DAMP_SCDT O Serial data output to the stream processor 34 O Not used 35 DAMP_SHIFT O Clock signal output to the stream processor 36 O Not used 37 PCON_PVDD O Power on off control signal output terminal H power on 38 DRIVER_RST EN O Reset signal output to the power amplifier L reset 39 HOLD O Not used 40 DAMP_INIT O Reset signal output to the st...

Page 27: ... data with the RF modulator 76 WS_SCL O S AIR clock signal output to the RF modulator 77 O Not used 78 RTS6 O Not used 79 80 O Not used 81 WS_RF_FB O Not used 82 to 87 O Not used 88 89 KI2 KI1 O Not used 90 DEST I Destination setting terminal Fixed at H in this unit 91 MODEL I Model setting terminal Fixed at L in this unit 92 93 O Not used 94 AVSS Ground terminal 95 O Not used 96 VREF I Reference ...

Page 28: ...re seldom required for routine ser vice Some delay should be anticipated when ordering these items The mechanical parts with no reference number in the exploded views are not sup plied Color Indication of Appearance Parts Ex ample KNOB BALANCE WHITE RED Parts Color Cabinet s Color Color variation WHITE ALL models BLACK US Canadian AEP Russian Mexican Chilean models 4 1 BOTTOM SECTION not supplied ...

Page 29: ...UTTON POWER 1 for BLACK 55 4 484 880 01 CUSHION BUTTON PWR 56 A 1979 005 A LED BOARD COMPLETE 57 3 087 053 01 BVTP2 6 3CR 58 4 484 882 01 BUSHING XL 59 4 238 407 12 SCREW 1 4X20 BV TAPPING 60 4 860 518 00 PACKING TWEETER SP100 1 858 959 11 LOUDSPEAKER 20 cm WR1 9 833 606 21 WIRE KIT Including Ref No WR2 page31 WR3 1 848 039 11 CONNECTION CABLE WITH SPEAKER Ref No Part No Description Remark Ref No ...

Page 30: ...0 41 RF MODULATOR WS001 Taiwan 2 7 685 646 71 SCREW BVTP 3X8 TYPE2 IT 3 3 7 685 650 79 SCREW BVTP 3X16 TYPE2 IT 3 Ref No Part No Description Remark Ref No Part No Description Remark not supplied not supplied board section 3 3 not supplied 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 not supplied not supplied not supplied RF100 not supplied FFC1 3 not supplied Ver 1 1 ...

Page 31: ...aiwan 0 AC1 1 837 822 21 CORD POWER SUPPLY Chinese 0 AC1 1 839 999 21 POWER SUPPLY CORD UK Hong Kong 0 F900 1 576 232 51 FUSE H B C T 5 AH 250 V WR2 9 833 606 21 WIRE KIT Including Ref No WR1 page 29 2 7 685 646 71 SCREW BVTP 3X8 TYPE2 IT 3 4 7 685 647 71 SCREW BVTP 3X10 TYPE2 IT 3 Ref No Part No Description Remark Ref No Part No Description Remark not supplied not supplied WR2 2 2 2 2 2 2 2 2 2 2...

Page 32: ...16 719 11 CERAMIC CHIP 10uF 10 6 3V C156 1 118 692 11 ELECT CHIP 470uF 20 35V C157 1 118 035 11 CERAMIC CHIP 0 1uF 10 25V C158 1 118 462 11 CERAMIC CHIP 1uF 10 10V C160 1 118 692 11 ELECT CHIP 470uF 20 35V C161 1 118 035 11 CERAMIC CHIP 0 1uF 10 25V C162 1 118 462 11 CERAMIC CHIP 1uF 10 10V C163 1 164 315 91 CERAMIC CHIP 470PF 5 50V C164 1 164 315 91 CERAMIC CHIP 470PF 5 50V C165 1 118 048 11 CERA...

Page 33: ...1 METAL CHIP 10K 5 1 16W R115 1 218 977 11 METAL CHIP 100K 5 1 16W R117 1 218 977 11 METAL CHIP 100K 5 1 16W R118 1 218 973 11 METAL CHIP 47K 5 1 16W R119 1 218 965 11 METAL CHIP 10K 5 1 16W R120 1 216 864 11 SHORT CHIP 0 R121 1 218 965 11 METAL CHIP 10K 5 1 16W R124 1 218 989 11 METAL CHIP 1M 5 1 16W R125 1 218 941 81 METAL CHIP 100 5 1 16W R126 1 216 841 11 METAL CHIP 47K 5 1 10W R127 1 218 973 ...

Page 34: ...932 91 ELECT 47uF 20 100V 0 C916 1 118 343 11 CERAMIC CHIP 4700PF 10 50V 0 C917 1 107 903 91 ELECT 2 2uF 20 50V 0 C919 1 107 902 91 ELECT 1uF 20 50V 0 C921 1 116 393 21 FILM 0 0033uF 5 400V 0 C922 1 125 893 11 FILM 680PF 3 1 5KV 0 C924 1 107 906 91 ELECT 10uF 20 50V 0 C925 1 118 437 11 CERAMIC CHIP 470PF 5 50V 0 C927 1 107 909 91 ELECT 47uF 20 50V 0 C928 1 118 342 11 CERAMIC CHIP 2200PF 10 50V 0 C...

Page 35: ...7K 5 1 10W 0 R929 1 216 821 91 METAL CHIP 1K 5 1 10W 0 R930 1 216 821 91 METAL CHIP 1K 5 1 10W 0 R931 1 216 829 91 METAL CHIP 4 7K 5 1 10W 0 R932 1 216 843 91 METAL CHIP 68K 5 1 10W R940 1 216 821 11 METAL CHIP 1K 5 1 10W R941 1 216 821 11 METAL CHIP 1K 5 1 10W R942 1 216 853 11 METAL CHIP 470K 5 1 10W R943 1 216 821 11 METAL CHIP 1K 5 1 10W R944 1 250 624 11 METAL CHIP 2 2K 1 1 10W R945 1 216 809...

Page 36: ...can 502 A 2009 349 A DONGLE SUB ASSY Including Audio cable and Wireless Transceiver UWT BR100 AEP UK Chilean Hong Kong 502 A 2009 350 A DONGLE SUB ASSY Including Audio cable and Wireless Transceiver UWT BR100 AEP Russian Chilean 502 A 2009 354 A DONGLE SUB ASSY Including Audio cable and Wireless Transceiver UWT BR100 Chinese 502 A 2009 355 A DONGLE SUB ASSY Including Audio cable and Wireless Trans...

Page 37: ... service manual File this supplement with the service manual Subject Addition of TROUBLESHOOTING SWF BR100 US Model Canadian Model AEP Model UK Model Australian Model Chinese Model Mexican Model Chilean Model New Zealand Model Hong Kong Model Taiwan Model Ver 1 1 2014 04 ...

Page 38: ...0 Send Reset command to Wireless Transceiver UWT BR100 using PC application Please refer to the technical information DI Net DIG0003217 issued separately for how to use PC application how to send the command Press and hold SECURE button of Wireless Transceiver UWT BR100 about 15 seconds Note Applicable only for firmware version of Wireless Transceiver UWT BR100 is FW0201 or later Please refer to t...

Page 39: ...is 4 V for system controller POWER board CN901 pin 9 E4V The voltage of the following pin is 32 V for power amplifier POWER board CN901 pin 1 3 4 32V The power control signal of the following pin is 3 3 V POWER board CN901 pin 8 MAIN_ON Damaged Replace the fuse F900 on the POWER board Repair the harness or replace the harness No Replace the sub power transformer T901 and D950 on the POWER board De...

Page 40: ...F modulator RF100 power supply IC106 pin 3 1 8 V for stream processor IC105 power supply Replace the each power IC on the MAIN board Repair or replace the harness and connectors CN104 on the MAIN board Check the voltage of each parts of MAIN board based on schematics Replace the power amplifier IC104 on the MAIN board Replace the RF modulator RF100 Replace the stream processor IC105 on the MAIN bo...

Page 41: ...MEMO SWF BR100 5 ...

Page 42: ...ition of TROUBLESHOOTING SUPPLEMENT 1 How to search for a contact point of signal lines or the like in DIAGRAMS SECTION If a contact point of a BLOCK DIAGRAM PRINTED WIRING BOARD or SCHEMATIC DIAGRAM is shown in a different page use the PDF file search function to find one e g If a contact point is shown as follow the procedure below Procedure 1 Press the F key while pressing the Ctrl key 2 Input ...

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