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Download dbx 3231L docs - Audio equipment,digital audio, home audio, professional audio systems service manuals and repair information

File information:
File name:Dbx-3231L.zip
[preview 3231L] new window
Size:363 kB
Extension:pdf
MD5 Checksum:78b975432cecd6a8898208406723b735
Mfg:

dbx

Model:

3231L

Original Chassis:
Descr:unknown (for me)
Group:Electronics > Consumer electronics > Audio >
Uploaded:2009-12-23 19:56:04
User:AndyMn
Multipart:No multipart

Information about the files in archive:
Decompress result:OK
Extracted files:4
File nameText
Dbx-3231L-1.pdfREVISION HISTORY REVISION DESCRIPTION ECN# DATE REVISION DESCRIPTION ECN# DATE P2 VARIOUS SCHEMATIC CHANGES 10.24.94 A0 RELEASE TO PRODUCTION, BOARD IS REV A 11.22.94 A1 ADD R53 & R54. CHANGES C64 & C65 254 3.15.95 |LINK |053238A1.001 |053238A1.002 |053238A1.003 |053238A1.004 |053238A1.005 dbx Professional Products 8760 South Sandy Parkway Sandy, Utah 84070 Title dbx 3231L CH1 MAIN BOARD 80-3238 Size B Date: Document Number 053238A1.000 Monday, October 25, 1999 Sheet 0 of 5 Rev A1 INPUT WA1 WA283449 J1 J322110 1 4 5 2 6 INPUT TRANSFORMER OPTION (UNSOLDER PJ3 & PJ4 WHEN INPUT TRANSFORMER IS INSTALLED) INPUT GROUND LIFT SWITCH 2 1 3 13 IN+ INGND OUT+ OUTGND WA4 WA283449 6 5 4 3 2 1 2 1 H12A HDR321063 SW1 SW440131 1 H12B H12C H12D H12E H1 V+ V+ 1 2 3 5 6 1 BYPASS 4 4 5 6 SSM2141 7 8 C1 27PJC3 EQ OUT 9 10 A B C D E F G H I J WT321164 RANGE 2 3 4 5 V- J2 J322115 1 2 1 4 L1 EMI1000PF 3 PJ3 PJ 2 L3 EMI1000PF 3 2 BAR320301 12 11 10 9 8 7 B1 1 2 3 4 5 6 OUTPUT J4
Dbx-3231L-2.pdfREVISION DESCRIPTION ECN# DATE REVISION DESCRIPTION ECN# DATE A0 RELEASE TO PRODUCTION, BOARD IS REV A 3.15.95 |LINK |053243A0.001 |053243A0.002 |053243A0.003 |053243A0.004 |053243A0.005 dbx Professional Products 8760 South Sandy Parkway Sandy, Utah 84070 Title dbx 3231L CH2 MAIN BOARD 80-3238 Size B Date: Document Number 053243A0.000 Monday, October 25, 1999 Sheet 0 of 5 Rev A0 INPUT WA1 WA283449 INPUT TRANSFORMER OPTION (UNSOLDER PJ3 & PJ4 WHEN INPUT TRANSFORMER IS INSTALLED) J1 J322110 1 4 5 2 6 INPUT GROUND LIFT SWITCH 2 1 3 IN+ INGND OUT+ OUTGND 13 WA4 WA283449 6 5 4 3 2 1 2 1 H12A HDR321063 SW1 SW440131 1 H12B H12C H12D H12E H1 V+ V+ 1 2 3 5 6 1 BYPASS 4 4 5 6 SSM2141 7 8 C1 27PJC3 EQ OUT 9 10 A B C D E F G H I J WT321164 R2 49.9K 1% R1 49.9K 1% TO/FROM CONTROL BOARD C3 10NPSE1 1 3 U2A MC33078 4 RANGE 2 3 4 5 V- J2 J322115 1 2 1 4 L1 EMI1000PF 3 PJ3 PJ 2 L3 EMI1000PF 3 2 B1 1 2 3 4 5 6 BAR320301 OUTPUT RELAY DEFEAT (UNSOLDER PJ1 & PJ2 TO DEFEAT) PJ1
Dbx-3231L-3.pdfREVISION DESCRIPTION ECN# DATE REVISION DESCRIPTION ECN# DATE A0 BOARD CHANGED TO REV A --- 12.5.94 A1 CHANGE RIBBON CABLE H1 FROM A 2" CABLE TO A 5" CABLE. --- 3.8.95 A2 CHANGE 44-0027 TO 44-0050 1382 3/31/97 |LINK |053237A2.001 dbx Professional Products 8760 South Sandy Parkway Sandy, Utah 84070 Title DBX 30 SERIES EQS CONTROL BOARD 80-3237 Size B Date: Document Number 053237A2.000 Friday, October 15, 1999 Sheet 0 of 1 Rev A2 INPUT GAIN C17 27PJC3 P2 100K402078 R16 4.64K 1% 2 1 3 V+ 8 6 R15 18.2K 1% 5 U3B 7 LOW CUT ENABLE C8 10NPSE1 C6 10NPSE1 R3 20.0K 1% R14 20.0K 1% MC33078 R9 BYPASS 20.0K 1% LO-CUT SW1B 4 5 6 SW1A 1 2 3 SW2B 4 5 6 C12 .0013HF HI-CUT SW2A 1 2 3 HI CUT ENABLE EQ ENABLE R4 11.0K 1% SW4B 4 5 6 SW4A 1 2 3 V+ SW440050 8 6 5 U1B 7 R10 20.0K 1% EQ OUT .12KF C5 .12KF C2 P1B 100K402011 5 4 6 C15 27PJC3 SW440050 SW440050 V+ 8 6 7 5 U2B MC33078 C11 .0010HF R8 20.0K 1% C10 10NPSE1 R13 20.0K 1% R12 10.0K 1% 2 3 U1A 1 MC33078 4 V3 2 C3 10NPSE1 R2
Dbx-3231L-4.pdfREVISION DESCRIPTION ECN# DATE REVISION DESCRIPTION ECN# DATE A0 BOARD CHANGED TO REV A --- 12.13.94 A1 CHANGE H1, H2, H3, H4, H5 TO (32-1204) 5" RIBBON CABLE 253 3.10.95 A2 CHANGED LED'S TO LED'S WITH THE SPACER MOLDED TO THE BODY 2342 7-2-98 |LINK |053236A2.001 |053236A2.002 dbx Professional Products 8760 South Sandy Parkway Sandy, Utah 84070 Title dbx 3231L SLIDER BOARD 80-3236 Size B Date: Document Number 053236A2.000 Friday, October 15, 1999 Sheet 0 of 2 Rev A2 +15 1 2 3 4 5 6 7 8 9 10 H6 RC321203 -15 EQ1 OUT EQ1 IN CHANNEL 1 SLIDER BOOST SLIDER CUT -15 3 dB +15 H6A RCH321221 R136 100K 1% D24 1N4148 R133 100K 1% D21 1N4148 U6A 1 LF353 4 -15 R124 100K 1% D17 1N4148 +15 R122 100K 1% 6 7 5 U6B LF353 D19 1N4148 8 +15 +15 R126 20K 3 2 R127 2K 1 R125 47K R153 48.7K 1% D26 LEDR702037 7 6 U5B 1 LM339 +15 3 5 2 4 U5A LM339 12 dB D23 LEDG702038 R139 26.1K 1% R150 200 6 dB D25 LEDY702039 2 3 H7 RC321203 1 2 3 4 5 6 7 8 9 10 R89 3.01K 1% P32 100K401002 R158


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