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JBL PowerBass PB10, Service Manual

The JBL PowerBass PB10 Owner's Manual is a must-have for any audio enthusiast. Gain a deep understanding of your product and unlock its full potential with this comprehensive manual. Easily download the manual for free from our website, and elevate your listening experience to new heights.

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   JBL Incorporated                            250 Crossways Park Dr.     Woodbury, New York 11797 (516) 496-3400

 

 

FACTORY MODIFIED PB-10 SERIAL NUMBERS 

 

1953 

       23000 

7720 

       23896 

8579 23904-23905 
10145 

       23989 

10448 

       23991 

10458 

       23993 

11772 

      23997 

11792 

      24004 

11939 

      24010 

13128 

      24166 

13296 

      24230 

14371 24874-24875 
14508 

      24888 

14510 

      24902 

14519 24905-24907 
14674 

      24909 

14822 24913-24914 
15092 

      24919 

15525 

      24924 

15634 

      24926 

15644-15645 24928-24929 
15649 24931-24932 
15654 

      24934 

15657 

      24936 

15659 

      24939 

15662 

      24944 

15673-15674        24948 
15676-15677        24950 
15679 

      24960 

15681 

      24986 

15683 

      24988 

15692 

      24991 

15696 

      24994 

15702 

      24996 

15705 

      24998 

16413 

      25001 

17723 25003-25005 
17740 

      25007 

18274 

      25015 

19665 

      25018 

20470 

      25020 

21026 

      25025 

21124 25029-25030 
21126 

      25033 

21637 

      25037 

22892 

      25039 

22894-22895        25041 
22901 25043-25056 
22905-22906 25058-25115 
22908 

      25117 

22913 25119-25142 
22917 25144-25147 
22927 25149-25152 
22933 25154-25156 
25158-25159        25436 
25161 

      25691 

25164 

      25694 

25168 25698-25699 
25171 

      25704 

25174 

      25706 

25179 

      25710 

25185 25712-25713 
25187 25715-25719 
25189 25721-25730 
25194 

      25732 

25214 

      25734 

25218-25219        25735 
25229 25737-25739 
25234-25236 25742-25745 
25238-25243 25747-25770 
25247-25249 25772-25777 
25251-25252 25779-25791 
25256-25257 25793-25833 
25261-25263 25835-25845 
25265-25267 25847-25850 

25270-25272 25852-25864 
25276 25866-25868 
25278-25291        25870 
25294-25297 25874-25881 
25300 25883-25886 
25302-25303       25888 
25306-25307 25890-25891 
25309 25893-25894 
25311 25896-26000 
25313-25314 26002-26012 
25333-25334 26014-26076 
25341 

     26079 

25345 

     26081 

25347-25348       26083 
25351-25352 26086-26087 
25358 26089-26091 
25360-25361 26093-26094 
25363-25364 26096-26097 
2536825369 26099-26101 
25371 26103-26104 
25375 

      26106 

25384-25386        26108 
25391-25392        26110 
25394 

      26112 

25396 

      26115 

25399 26118-26119 
25402 26121-26124 
25406 

      26126 

25408 

      26128 

25416 26130-26131 
25419 26133-26134 
25421 26136-26137 
25426 

      26139 

26141-26150        26522 
26152- 26172        26525 
26174 

      26528 

26176-26185        26531 
26187-26197        26533 
26198-26201        26536 
26203 26540-26541 
26206 26543-26544 
26209 26546-26554 
26211 26556-26557 
26213-26214        26560 
26217 

      26565 

26235 

      26568 

26238 

      26573 

26242 

      26587 

26244 

      26599 

26246 

      26604 

26251-26252 26614-26615 
26254-26255 26624-26625 
26266 

      26627 

26273 

      26629 

26278 

      26632 

26282 

      26638 

26286 26641-26643 
26384 

      26645 

26388 

      26655 

26390-26391        26658 
26399-26400        26662 
26402 

      26665 

26405-26406        26669 
26408-26409        26671 
26411 

      26673 

26413-26415 26675-26677 
26417 

      26680 

26419 

      26686 

26421 26692-26694 
26432 26696-26697 
26438-26439        26700 
26443 

      26702 

26451-26452        26706 
26457-26458        26708 
26460-26462 26713-26716 

26465 26718-26720 
26474 26722-26725 
26477 26729-26730 
26479-26480 26732-26743 
26483 26745-26747 
26486 

      26750 

26498 26752-26753 
26503 

      26755 

26510-26512 26757-26759 
26514 26762-26768 
26517 26770-26771 
26520 26773-26778 
26781 27376-27399 
26783 27401-27503 
26786 

      27532 

26789 

      27553 

26791 27624-27647 
26793 27649-27698 
26795-26797 27701-27720 
26799-26801 27722-27769 
26804 27771-27774 
26807 27776-27852 
26810 27854-27866 
26813 27868-27911 
26815-26816 27913-27999 
26820 28001-28067 
26822 

      28069 

26825 

      28070 

26827 28072-28073 
26829 

      28075 

26833-26834        28078 
26838 

      28087 

26840 28092-28094 
26843 28096-28097 
26844 

      28099 

26846 28101-28102 
26850 

      28105 

26857 

      28108 

26874 28110-28114 
26876-26880 28116-28117 
26882 28119-28120 
26885-26886 28122-28123 
26888-26894        28125 
26913 28130-28131 
26915-26917        28133 
26922-26935        28137 
26967 28140-28150 
26984-27001 28152-28158 
27010-27033 28160-28161 
27100 

      28167 

27103-27104        28172 
27122-27126        28177 
27142-27143        28181 
27148-27149        28184 
27151 28186-28187 
27153 

      28193 

27190 

      28196 

27192 28202-28203 
27196-27273        28207 
27275-27277        28211 
27279-27312        28215 
27314-27329 28217-28218 
27331-27351 28220-28221 
27353-27370       28223 
27372 

     28227 

27374 28231-28234 
28236-28237 29792-29860 
28239-28241 29862-29915 
28243 29917-30062 
28245 30064-30133 
28250 30152-30288 
28256 30290-30345 
28259 30347-30413 
28264-28267 30415-30490 
28270-28271 30492-30524 

28283 30526-30533 
28286 30535-30625 
28288 30627-30649 
28291 30651-30686 
28293-28294 30688-30748 
28296 30750-30930 
28298 30932-31025 
28300 31027-31072 
28302-28303 31074-31123 
28305-28331        31125 
28333-28343 31127-31139 
28345-28354        31256 
28369 

      31771 

28379-28689        35089 
28691-28697        35733 
28699-28708        36186 
28710-28715        37400 
28717-28720        39339 
28722-28724        80749 
28726-28731  
28734  
28736  
28738-28740  
28742-28744  
28746-28750  
28752-28754  
28756-28821  
28823-29130  
29132-29142  
29144-29219  
29221-29276  
29278-29280  
29282-29327  
29329-29338  
29340-29379  
29381-29389  
29391-29451  
29453-29455  
29457  
29459-29528  
29530-29531  
29533-29605  
29607-29624  
29626-29634  
29636-29790  

 

Summary of Contents for PowerBass PB10

Page 1: ...PowerBass Series PB10 Powered Subwoofer Service Manual JBL Consumer Products 250 Crossways Park Dr Woodbury New York 11797 Rev7 2 2004 ...

Page 2: ... 6 4 44 Printed Circuit Boards PCB version 7 2 45 Schematics Version 1 Preamp PCB version 6 3 7 0 48 Power Amp PCB version 6 3 49 Power Amp PCB version 7 0 50 Preamp PCB version 7 2 51 Power Amp PCB version 7 2 52 Schematics Version 2 53 PB10 DIFFERENCES IN REVISION 1 AND REVISION 2 REVISION 1 REVISION 2 Amplifier has main power switch Amplifier faceplate says Made in Canada Amplifier serial numbe...

Page 3: ...ted and corrected Critical Components All components identified with the IEC symbol in the parts list and schematic diagram designate components in which safety can be of special significance when replacing identified with Use only the replacement parts designated in the parts list or parts with the same rating of resistance wattage or voltage SAFETY INFORMATION List of Safety Components Requiring...

Page 4: ...Hz High Pass Frequency 150Hz when using Speaker Level Output Dimensions H x W x D 14 x 14 x 15 356mm x 356mm x 381mm with feet 16 x 14 x 15 406mm x 356mm x 381mm Weight 35 lb 15 9kg Refinements may be made on occasion to existing products without notice but will always meet or exceed original specifications unless otherwise stated PowerBass is a registered trademark of JBL Incorporated 00232 1 BAS...

Page 5: ...eaker in LP 2nd order variable 60 150 Hz 10 Subsonic filter HPF fixed 6th o Fixed LFE Low pass 2nd order fixed 200 LP 1K Hz Single input driven Speaker out HP filter Left Right 200 Hz 10 Speaker input Spkr out 4 Ohms Left Right 100 Hz 10 Speaker input Spkr out 8 Ohms Limiter YES Signal Sensing ATO Auto Turn On yes no YES functional Auto on selection switch in Auto ATO Input test frequency 50 Hz fu...

Page 6: ...n the Normal position but switch to LFE when playing Dolby Digital DTS or other digital surround modes see page 9 4 Phase Switch Changes the subwoofer s output to be in phase or 180 degrees out of phase with the program material 5 Crossover Frequency Sets the highest frequency the subwoofer will reproduce 6 Line Input Main Input connection to subwoofer preferred 7 Speaker In Jacks Main Input conne...

Page 7: ...le in the post then screw the collar back down until the connection is tight The holes in the center of the collars are intended for banana type connectors Dolby Pro Logic Non Digital Speaker Level Use this installation method for Dolby Pro Logic applications not Dolby Digital DTS or other digital processing where the receiver processor does not have a subwoofer output or a volume controlled pream...

Page 8: ...e that the LFE toggle switch on the subwoofer is in the Normal position Do not use the LFE position with Dolby Pro Logic only processors Note If your receiver or amplifier only has one subwoofer output jack then you may connect the subwoofer output on your receiver preamplifier to either the left or right line level input on the subwoofer It makes no difference which jack you choose Connect each s...

Page 9: ...Connect these jacks to the LFE output or subwoofer output on your receiver or amplifier Note If your receiver or amplifier only has one subwoofer output jack then you may connect the subwoofer output on your receiver preamplifier to either the left or right line level input on the subwoofer It makes no difference which jack you choose Connect each speaker to the corresponding speaker terminals on ...

Page 10: ...ISK OF ELECTRIC SHOCK DO NOT OPEN ON OFF The subwoofer Level Control adjusts the volume of the subwoofer relative to the rest of the system Proper level adjustment depends on several variables such as room size subwoofer placement type of main speakers and listener position Adjust the subwoofer level so that the volume of the bass information is pleasing to you Level Control Crossover Adjustments ...

Page 11: ...ke sure none of the speaker wires are frayed cut or punctured Review proper operation of your receiver amplifier If there is low or no bass output Make sure the connections to the left and right Speaker Inputs have the correct polarity and Make sure that the subwoofer is plugged into an active electrical outlet and switched on Adjust the crossover point Flip the Phase Control switch to the opposit...

Page 12: ...r turn VOLUME control fully counterclockwise disconnect RCA cables 6 Connect one pair of speaker cables to either high level input terminal on UUT Cables should be connected to an integrated amplifier fed by the signal generator 7 Turn on generator and adjust so that speaker level output is 1 0V 50Hz Turn VOLUME control full clockwise 8 Green LED should light immediate bass response should be hear...

Page 13: ...rm the following modification 1 Set the unit on a padded surface and remove all external cables 2 On the amplifier faceplate remove the 10 Phillips mounting screws around the perimeter 3 Remove the amplifier assembly from the enclosure If the amp is turned and supported correctly no other connectors need to be unplugged 4 Locate Zener Diode D10 and Resistor R42 22kΩ See illustration These parts mu...

Page 14: ...wer Transformer PB10 JBL part 80135 PB12 JBL part 80116 C Loud Hum under all circumstances It may be louder when LED s are Green vs Red it may be affected by the position of the Level control The subwoofer may thump or pop approximately every 10 seconds Reset the digital subwoofer amplifier by unplugging the AC power cord Wait 30 seconds then plug the cord back in Repeat this 2 3 times if necessar...

Page 15: ...See serial numbers on Page 3 for factory modified units Hum Buzz or Thumping Replace Power Amp Module S53AMI for symptoms described in C only PB12 Hum Buzz or Thumping Replace Power Amp Module S64AMI for symptoms described in C only Revision 1 of the PB10 12 Amplifier faceplate says Made in Canada Amplifier serial number starts with AM Black or silver potted non serviceable S53 64AMI output module...

Page 16: ...25 26266 26627 26273 26629 26278 26632 26282 26638 26286 26641 26643 26384 26645 26388 26655 26390 26391 26658 26399 26400 26662 26402 26665 26405 26406 26669 26408 26409 26671 26411 26673 26413 26415 26675 26677 26417 26680 26419 26686 26421 26692 26694 26432 26696 26697 26438 26439 26700 26443 26702 26451 26452 26706 26457 26458 26708 26460 26462 26713 26716 26465 26718 26720 26474 26722 26725 2...

Page 17: ...ternational Rectifier or Fairchild Replace both Q18 and Q22 MOSFET s in the circuit even if only one seems to be damaged Do NOT mix match these components from different manufacturers or batches They should be identical Late version PB10 or PB12 subwoofers Revision 2 in the service manual can be identified by Amplifier serial number starts with HA Output transistors in the open on a large black he...

Page 18: ...ual 120V 1 203430 338129 001 Survey Card 1 n a 331384 001 Warranty Card 1 n a 331994 001 5 PB10 Amplifier Complete 1 Not For Sale Not For Sale 6 Foot Screw 4 203411 763 31110 40 7 Foam corners Top Corners 4 203460 n a 8 Foam corners Bottom Corners 4 203470 n a 7 8 Foam End Pad Top Bottom 2 n a 338132 001 9 Port tube 1 Not For Sale 336804 001 10 Logo Badge 1 336485 001 336485 001 LED Ass y for Logo...

Page 19: ...mplifier Exploded View Revision 1 Only 00225 1 2 5 6 3 4 LEGEND 1 Dual RCA jack 108324 2 Power Transformer 80135 3 Level Pot 40402 4 Low Pass Filter Pot 40707 5 Fuse Clips 2 70323 6 1 25A SLO BLO Fuse 3ag 80114 ...

Page 20: ... 6 4 7 8 9 3 MECHANICAL PACKING PARTS LIST Item Description Qty Revision 1 Part Revision 2 Part 1 Level Knob 1 70313 061 020000 000 2 LFE Defeat Switch 1 70150 074 030002 000 3 PB10 faceplate 1 70325 n a 4 HI LEVEL Input Output Jacks 4 108116 072 060170 000 5 Phase Switch 1 70150 074 030002 000 6 Crossover Frequency Knob 1 70313 061 020000 000 7 Strain Relief Plug 1 70305 061 314002 000 8 Power Co...

Page 21: ...position of label on top of the Module incorrectly replacing the Module 180 in the PCB slot will result in its destruction 2 All AC powered test instruments meters oscilloscopes etc must have a floating ground i e be connected to an isolation transformer 3 Align and position the Amp Module before soldering 4 Attach the Amp Module with the mounting screws before soldering or powering up 5 Use only ...

Page 22: ... DRIVER U7 2 Base 3 Collector 1 Emitter 1 2 3 2N5401 Q1 2 Base 3 Collector 1 Emitter 1 2 3 MPSW06RLRA MPSW56RLRAMPQ MPS2222ARLRA 2N2907A 2N5551 Q2 16 3 21 19 23 17 MOSFET IRF640 Q18 22 TIP31C Q4 MMBT3904LTI SOT23 MMBT3906LTI SOT23 DTC114EK SMT3 MMBT5401 LTI MMBT5551 LTI Q11 14 13 5 8 9 6 10 12 15 7 20 24 26 25 BEVEL 1 G 2 D 3 S 1 2 3 B C E ...

Page 23: ... P U1 1 P U1 7 RED 0Vrms 14VDC GREEN 12Vrms 14VDC 3 D C Operation Voltage measurements DVM on Power Amp Module Between 6V V O P V 15V S D FR I P GND 15V And This Point V GND GND GND GND V GND GND GND GND Get this Reading 5 75V 45 7v 0V 45 7V 15 5V 4 75V 0V 0V 0V 15 5V 4 Check Switching Frequency Oscilloscope Use scope EITHER USES AN ISOLATION TRANSFORMER OR ATTACHES THE PROBE TIP TO SPK and REFERE...

Page 24: ...LFE switch off Set Generator at 1 09V 50Hz Signal to High level input Voltage measurements 15 3V at speaker output 3 Low Pass Set up Set Generator at 100 mV 100Hz Signal to Low level input Measure voltage at speaker output Voltage measurement Low Pass Pot Setting Output CW 11 4V CCW 2 19V 4 LFE Set up Set Generator at 100mV 200Hz Signal to Low level input Measure voltage at speaker output LFE swit...

Page 25: ...ltage at the module Check fuse transformer CMC rectifier C1 and C2 Use scope to check switching frequency from the load 100KHz 10 1Vpp Check input of module wrt GND 0V D C Power up with no signal input LED RED OK OK OK OK OK OK OK OK Check C32 and Pre AMP Use scope to check O P at module wrt GND 80Vpp square wave shown Check L1 L2 C10 C11 Check 6V at the module wrt V 5 75V Replace Module MODULE OK...

Page 26: ...nge to GREEN Voltage measurements DVM OP AMP LED P U4 1 P U4 7 RED 0Vrms 8VDC GREEN 6 3Vrms 10 7VDC 3 D C Operation Voltage measurements DVM on CLASS D POWER AMP Between V Q4 E Q1 C Q10 C U7 1 U7 2 U7 4 U7 6 U7 7 U7 8 And This Point GND V GND GND GND GND GND GND GND GND Get this Reading 45 9V 0V 45 9V 0V 45 9V 45 7V 45 5V 0V 0V 4 7V 4 Check Switching Frequency Oscilloscope USE THE PROBE TIP TO U6 ...

Page 27: ...d LFE switch off Set Generator at 1 15V 50Hz Signal to High level input Voltage measurements 15 3V at speaker output 3 Low Pass Set up Set Generator at 100 mV 100Hz Signal to Line level input Measure voltage at S speaker output Voltage measurement X OVER FREQ Setting Output CW 10 72V CCW 2 165V 4 LFE Set up Set Generator at 100mV 200Hz Signal to Line level input Measure voltage at S speaker output...

Page 28: ...heck 15V MOD 15V voltage at U 6 8 U6 4 Discharge C37 Check fuse transformer L4 rectifier C6 and C8 Use scope to check switching frequency U6 7 100KHz 10 22Vp p Check Q4 E TO V 0V D C Power up with no signal input LED RED OK OK OK OK OK OK OK OK Check MUTE 8V and Q24 Q25 Q26 Use scope to check O P U7 6 and GND 90Vp p square wave shown Check L2 L3 C71 C72 C73 C74 I P 10mv 50HZ Check 15V SW Q4 E TO V...

Page 29: ...MUTE DC OFFSET PROTECTION THERMAL PROTECTION CURRENT PROTECTION LINEAR POWER SUPPLY FUSE MUTE SIGNAL SENSE ATO SIGNAL SENEING EXTERNAL LED INDICATORS CONTROLLED REGULATOR CLASS D AMPLIFIER 15V SW MUTE OUTPUT RELAY 4 OHMS LFE NORMAL NOTE 120 VAC T1 25A 250V 230 VAC T0 8A 250V SPEAKER LEVEL INPUT Line Level Input F 1 E D 3 2 C B A 1 2 3 4 7 6 8 F E D 5 RevNo Revision note 6 7 C B Checked 8 Date Sign...

Page 30: ... MPSA56 120V PNP 600mA 60154 Q11 MPSA56 120V PNP 600mA 60156 Q12 2N4401 40V NPN 600mA Capacitors 30706 C1 4700uF 50V 80 20 Electrolytic 105C 30712 C10 10uF 100V 0 2 BP NP Electr DF 1 30502 C11 100nF 50V 0 2 mono ceramic 30706 C2 4700uF 50V 80 20 Electrolytic 105C C20 NOT USED 30502 C21 100nF 50V 0 2 mono ceramic 30502 C22 100nF 50V 0 2 mono ceramic 30526 C24 220nF 50V 0 1 mono ceramic 30529 C25 1n...

Page 31: ...10 R28 732 ohms 0 5W 0 01 metal 40110 R29 732 ohms 0 5W 0 01 metal 40719 R2A 2k2 1W 0 05 metal 40719 R2B 2k2 1W 0 05 metal 40719 R2C 2k2 1W 0 05 metal 40702 R3 6M8 25W 0 05 carbon 40723 R30 2k2 2W 0 05 metal 40417 R31 47k 25W 0 05 carbon 40417 R32 47k 25W 0 05 carbon 40427 R33 23k7 25W 0 01 metal 40724 R34 8k87 25W 0 01 metal 40725 R4 15k 0 5W 0 01 metal 40420 R40 1k 25W 0 05 carbon 40701 R41 1000...

Page 32: ...10 faceplate 80105 Power cord Power cord 70305 Strain relief Strain relief PB10 PREAMP section of PCB Version 6 3 Part Ref Designator Description Semiconductors 60100 U1 LM324 LM324 op amp 60100 U2 LM324 LM324 op amp Capacitors Film Caps may be used in any position EXCEPT C1 C2 30707 C1 200uF 50V 0 2 BP Electrolytic 30526 C10 220nF 50V 0 1 mono ceramic 30514 C11 47nF 50V 0 1 mono ceramic 30504 C12...

Page 33: ...W 0 05 carbon 40713 R20 5k6 25W 0 05 carbon R21 0r Jumper 40713 R22 5k6 25W 0 05 carbon R23 0r Jumper 40109 R24 604 ohms 25W 0 01 metal 40412 R25 33k2 25W 0 01 metal 40405 R26 4k7 25W 0 01 metal 40109 R27 604 ohms 25W 0 01 metal 40412 R28 33k2 25W 0 01 metal 40406 R3 100k 25W 0 05 carbon 40714 R30 14k 25W 0 01 metal 40715 R33 9k09 25W 0 01 metal 40716 R34 60k4 25W 0 01 metal 40451 R35 137k 25W 0 0...

Page 34: ...0718 R14 3k3 25W 5 carbon 40406 R15 100k 25W 5 carbon 40405 R21 4K7 25W 5 carbon 40720 R22 42K2 25W 1 metal 40721 R23 237k 25W 1 metal R24 NOT USED R25 NOT USED 40722 R26 6k8 25W 5 carbon 40723 R27 2k2 2W 5 metal SAFETY 40110 R28 732 ohms 0 5W 1 metal 40110 R29 732 ohms 0 5W 1 metal 40723 R30 2k2 2W 5 metal SAFETY 40417 R31 47k 25W 5 carbon 40417 R32 47k 25W 5 carbon 40427 R33 23k7 25W 1 metal 407...

Page 35: ...ctors 50105 D1 1N4744A 15V 1w Zener 50105 D2 1N4744A 15V 1w Zener 50101 D3 1N5256B 30V 5w Zener 50104 D4 1N4148 5 Sig Diode 50113 D5 1N4735A 6 2V 1W 50107 D6 1N5234B 6 2V 5w Zener 50104 D7 1N4148 5 Sig Diode 50104 D8 1N4148 5 Sig Diode 50112 D10 1N5242B 12V 5 5w Zener 50104 D11 1N4148 Sig Diode 50112 D12 1N5242B 12V 5w Zener 50104 D13 1N4148 Sig Diode 50104 D14 1N4148 Sig Diode 60157 Q1 2N5457 25V...

Page 36: ...on 40406 R6 100k 25W 5 carbon 40717 R8 2k7 25W 5 carbon 40717 R9 2k7 25W 5 carbon 40409 R10 10k 25W 5 carbon 40708 R11 57k6 25W 1 carbon 40454 R12 45k3 25W 1 metal 40412 R13 33k2 25W 1 metal 40709 R14 68k1 25W 1 metal 40710 R15 11k3 25W 1 metal 40711 R16 1k3 25W 1 metal 40712 R17 243k 25W 1 metal 40441 R18 13k7 25W 1 metal 40441 R19 13k7 25W 1 metal 40713 R20 5k6 25W 5 carbon R21 0r Jumper 40713 R...

Page 37: ... 20 mono ceramic 30100 C19 330pF 50V 20 mono ceramic 30519 C20 100nF 50V 20 mono ceramic 30519 C21 100nF 50V 20 mono ceramic 30519 C22 100nF 50V 20 mono ceramic 30519 C23 100nF 50V 20 mono ceramic C30 NOT USED Semiconductors 50104 D50 1N4148 5 Sig Diode 50104 D51 1N4148 5 Sig Diode 50104 D52 1N4148 5 Sig Diode 50104 D53 1N4148 5 Sig Diode 50104 D54 1N4148 5 Sig Diode 50104 D55 1N4148 5 Sig Diode 6...

Page 38: ...98 120 SMD Resistor 220 ohms 1 8W J 1 R90 024 220498 121 SMD Resistor 2K2 1 8W J 3 R1 87 61 024 220598 120 SMD Resistor 22K 1 8W J 3 R50 52 118 024 220798 120 SMD Resistor 2M2 1 8W J 2 R80 121 024 237598 120 SMD Resistor 23K7 1 8W F 1 R48 024 237698 100 SMD Resistor 237K 1 8W F 1 R45 024 243698 100 SMD Resistor 243K 1 8W F 1 R36 024 270498 120 SMD Resistor 2K7 1 8W J 2 R64 73 024 300398 120 SMD Re...

Page 39: ... 100525 300 Electrolytic Capacitor 10uF 25V M 1 C35 034 100625 300 Electrolytic Capacitor 100uF 25V M 1 C64 034 220525 301 Electrolytic Capacitor 22uF 25V M 6 C39 50 53 41 4 9 034 220615 301 Electrolytic Capacitor 220uF 16V M 1 C37 034 330525 300 Electrolytic Capacitor 33uF 25V M 1 C1 034 330615 300 Electrolytic Capacitor 330uF 16V M 2 C12 78 034 470415 301 Electrolytic Capacitor 4u7 50V M 1 C2 03...

Page 40: ...041 115001 000 Bead Coil YT 10911 1 L5 043 300101 000 Inductor 30uH YT 10033 1 L2 043 324300 000 Inductor 324uH YT 10778 1 L4 043 560200 000 Inductor 56uH YT 10779 1 L1 043 700101 000 Toroidal Inductor 70uH YT 10682 1 L3 072 010007 000 RCA Housing SCJ 1020 2P G WHT RED 1 CONN1 072 040039 000 Terminal PC205 t 0 8m m T205MA 1 S 072 040064 000 Terminal PC250 t 0 8 T250MA 1 S 072 040096 000 Terminal t...

Page 41: ...41 PB10 PCB version 6 3 7 0 Revision 1 Only ...

Page 42: ...42 PB10 PCB version 6 3 7 0 Revision 1 Only ...

Page 43: ...43 PB10 PCB version 6 3 7 0 Cont Revision 1 Only ...

Page 44: ...PB10 PCB version 6 4 Power Amp Only Revision 1 Only ...

Page 45: ...PB10 PCB version 7 2 Revision 1 Only ...

Page 46: ...PB10 PCB version 7 2 Revision 1 Only ...

Page 47: ...PB10 PCB version 7 2 Revision 1 Only ...

Page 48: ...OL 1 20k POT LO PASS CONTROL 2 20k POT U2 C10 220nF C12 100n C13 47n C11 47nF R21 0r Jumper R19 13k7 R22 5k6 R23 0r Jumper LoPass Defeat Sw SW SPDT LO PASS CONTROL 3 NOT USED LO PASS CONTROL 4 NOT USED 13 12 14 13 14 12 3 2 1 7 6 5 6 5 7 8 10 9 1 3 2 1 2 3 1 2 3 4 5 6 7 8 9 11 12 10 R1 4k7 R2 4k7 15V 15V C21 100nF C20 100nF C23 100nF C22 100nF 15V GND GND SIG 15V mute To From PWRAMP R25 33k2 B10 P...

Page 49: ...er R10B 0 1R R10C 0 1R R10A 0 1R Q10 MPSA56 R11 1k Q11 MPSA56 R13 47k R14 3k3 R12 1k Q12 2N4401 CZ NOT USED CW NOT USED SP Neg SP Pos V V TRX MCI4932 CMC 2m2H C7A 100nF C7B 100nF R2B 2k2 C1 4700uF C2 4700uF 3AG FUSE 1 25A SloBlo AC Feed AC Return 9 8 10 R8A 4k7 R8B 4k7 R1B 2k2 R1C 2k2 R2C 2k2 R2A 2k2 12 13 14 R27 2k2 4 11 R7A 5k6 15V GND GND SIG 15V mute 2 3 1 5 6 7 R21 4K7 R42 10k D7 1N4148 D8 1N...

Page 50: ...USED V V TRX M CI5024 CM C 2m 2H C7A 100 nF C7B 100 nF R2B 2k2 C1 4700 uF C2 4700 uF 3AG FUSE 1 25A Sl oBl o 9 8 10 R8A 4k7 R8B 4k7 R1B 2k2 R1C 2k2 R2C 2k2 R2A 2k2 12 13 14 R27 2k2 4 11 R7A 5k6 15V GND GND SI G 15V m ut e 2 3 1 5 6 7 R21 4K7 R42 10k D7 1N4148 D8 1N4148 D10 1N5242B R50 2k2 R100 NOTUSED 4 11 4 11 ToU1 P i n 4 To U1 P i n 11 SHORTCI RCUI T P ROTECT SI GNALLED AUTO M UTE To Fro m P RE...

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Page 53: ...53 PB10 Revision 2 Schematic Diagrams PREAMP ...

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