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Harman JBL Commercial Series Service Manual
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Harman JBL Commercial Series Service Manual

1 channel & 2 channel mixer-amplifier
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Version A - 09/20
Service Manual
VMA-160/1120/1240/260/2120
Commercial Series
1 Channel & 2 Channel Mixer-Amplifier
1

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Summary of Contents for Harman JBL Commercial Series

  • Page 1 Version A - 09/20 Service Manual VMA-160/1120/1240/260/2120 Commercial Series 1 Channel & 2 Channel Mixer-Amplifier...
  • Page 2 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 Table of Contents Safety Compliance Datasheets and Specification Front Panel Rear Panel Troubleshooting Block Diagrams PCB Boards Schematics Exploded View Bill of Materials...
  • Page 3 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 IMPORTANT SAFETY INFORMATION WARNING FOR YOUR PROTECTION READ THESE INSTRUCTIONS: WARNING KEEP THESE INSTRUCTIONS RISK OF ELETRIC SHOCK DO NOT OPEN HEED ALL WARNINGS AVERTISSEMENT: RISQUE DE CHOC ELECTRIQUE - NE PAS OUVRIR FOLLOW ALL INSTRUCTIONS WARNING: TO THE REDUCE THE RISK OF FIRE OR ELECTRIC...
  • Page 4 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 IMPORTANT SAFETY INFORMATION U.K. MAINS PLUG WARNING FEDERAL COMMUNICATION A molded mains plug that has been cut off from the cord is unsafe. COMMISSION INTERFERENCE STATEMENT Discard the mains plug at a suitable disposal facility. NEVER UNDER ANY This equipment has been tested and found to comply with the limits for a Class B digital CIRCUMSTANCES SHOULD YOU INSERT A DAMAGED OR CUT MAINS PLUG device, pursuant to Part 15 of the FCC Rules.
  • Page 5 Brand: Equipment Type: Commercial Mixer-Amplifiers Model names: VMA160, VMA1120, VMA1240, VMA260, VMA2120 We, Harman International, declare under our sole responsibility that the product, to which this declaration relates, is in conformity with the following standards. Report No. Description EN 55103-1:2009 EMC Compatibility –...
  • Page 6 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 Performance VMA160 VMA1120 VMA1240 VMA260 VMA2120 Max Output Power per Channel 120W 240W 120W ≤ 0.5% THD into 4 Ω or 8 Ω Insertion Loss 1 dB maximum (70V & 100V outputs) Number of Input Channels Number of Output Channels Tone Controls...
  • Page 7 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 1.2 Front Panel Controls & Indicators MASTER MUSIC VMA 160 Figure 1.2.1 Front Panel, 1 Channel Model A. Input Level Controls B. Media Player Display C. Output Volume Control(s) Including an Illuminated ring around the output volume control will light green with signal presence while red indicates clipping, i.e.
  • Page 8 THE CENTER PIN OF THE PLUG MUST BE MAINTAINED. MONO MONO (Input 2) PRIORITY CONFORMS TO CONTAINS FCC ID: API-MB8811VMA HARMAN INTERNATIONAL VMA 1240 UL STD .60065 CONTAINS IC: 6132A-MB8811VMA 1718 W. Mishawaka Rd., CERTIFIED TO CSA STD. CMIIT ID: 2016DJ2941 Elkhart, IN 46517 C22.2 NO .60065...
  • Page 9 8-Not Used CONFORMS TO VMA 260 ÉNERGIE ÉLECTRIQUE 9-Music 2 to CH1 CONTAINS FCC ID: API-MB8811VMA HARMAN INTERNATIONAL UL STD .60065 CAUTION - TO REDUCE THE RISK OF DANGEREUSE VOIR LA 10-Not Used ELECTRIC SHOCK, GROUNDING OF CONTAINS IC: 6132A-MB8811VMA 1718 W.
  • Page 10 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 4.0 Troubleshooting illuminated. CONDITION: No sound or low sound. POSSIBLE REASON: The input signal is not present or at a very low level. POSSIBLE REASON: The Master Volume control is turned down. POSSIBLE REASON: A CSR-V is connected and turned down.
  • Page 11 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 Block Diagrams VMA160, VMA1120 & VMA1240 Table of Contents...
  • Page 12 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 VMA260 & VMA2120 Table of Contents...
  • Page 13 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 VMA260 & VMA2120 Continued Table of Contents...
  • Page 14 VMA 160/1120/1240/260/2120 Service Manual PCB Boards Version A - 09/20 For VMA160/1120/1240 Table of Contents...
  • Page 15 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 For VMA160/1120/1240 Table of Contents...
  • Page 16 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 For VMA160/1120/1240 Table of Contents...
  • Page 17 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 AMP_PCB_VMA160/1120/1240 Table of Contents...
  • Page 18 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 For VMA 260/2120 5086659,PCB,ASY,VMA_2CH _FRONT_PANEL Table of Contents...
  • Page 19 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 5086663,PCB,ASY,VMA_2CH_FRONT_INPUT,PCB For VMA 260/2120 Table of Contents...
  • Page 20 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 For VMA 260/2120 5086667,PCB,ASY,VMA_2CH_REAR_INPUT,PCB Table of Contents...
  • Page 21 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 5086662,PCB,ASY,VMA_2CH_DIP,PCB For VMA260/2120 Table of Contents...
  • Page 22 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 5086669,PCB,ASY,VMA_2CH_OUTPUT,PCB For VMA 260/2120 Table of Contents...
  • Page 23 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 PCB,ASY,CH1_AMP For VMA 260/2120 Table of Contents...
  • Page 24 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 PCB,ASY,CH2_AMP For VMA 260/2120 Table of Contents...
  • Page 25 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 PSU_PCB_VMA160/1120/1240/260/2120 Table of Contents...
  • Page 26 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 FOR VMA 160/1120/1240/260/2120 Table of Contents...
  • Page 27 VMA 160/1120/1240/260/2120 Service Manual Schematics Version A - 09/20 Table of Contents...
  • Page 28 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 Table of Contents...
  • Page 29 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 Table of Contents...
  • Page 30 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 Table of Contents...
  • Page 31 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 Table of Contents...
  • Page 32 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 Table of Contents...
  • Page 33 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 Table of Contents...
  • Page 34 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 MAIN_POWER MAIN_MUTE Table of Contents...
  • Page 35 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 Table of Contents...
  • Page 36 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 Table of Contents...
  • Page 37 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 Table of Contents...
  • Page 38 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 Table of Contents...
  • Page 39 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 R193 C151 R197 J101 R103 0R DELAY_1 [1,2] R104 N.I Over-current C135 Q106 Protection R1004 C133 C142 10u 50V R1001 R1002 R1005 R100 C100 R1039 R1008 R1009 R1006 C134 R1007 C147 R1003 220R IGND_1 CR130...
  • Page 40 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 +3.3V +3.3VA +3.3V MAIN_POWER MAIN_MUTE +3.3V 220u CR105 R3 47k +30V IGND_1 IGND_1 IGND_1 IGND_1 CHGND IGND_1 DELAY_1 C103 AMP1_PROTECTION 100u Table of Contents...
  • Page 41 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 REVISION RECORD ECO NO: APPROVED: DATE: COMPONENTS ON THIS SHEET ARE PLACED ON CHANNEL VOLUME SECTION IN01 2.74k MMBFJ108 MIX_CH2_IN01 +15V +3.3VA N.I. 221k U2-A 49.9k N.I. TL074 5.6k R297 CH2_CTRL_3 MIX_CH1_IN02 MMBT3904 AGND1 MMBT3906...
  • Page 42 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 REVISION RECORD ECO NO: APPROVED: DATE: COMPONENTS ON THIS SHEET ARE PLACED ON CHANNEL VOLUME SECTION VR11 IN04 MIX_CH2_IN05-PRE MMBFJ108 2.74k MIX_CH1_IN04 +15V 221k Q8 MMBFJ108 N.I. MIX_CH2_IN05-PRE U4-A N.I. TL074 DIP3_6 Q7 MMBFJ108 AGND MIX_CH2_IN02...
  • Page 43 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 REVISION RECORD ECO NO: APPROVED: DATE: COMPONENTS ON THIS SHEET ARE PLACED ON CHANNEL VOLUME SECTION +15V 0.1u U10-C CF4558 0.1u AGND1 MMBFJ108 MIX_CH1_BT -15V +3.3VA N.I. +15V R260 R276 R261 R264 49.9k 5.6k R263...
  • Page 44 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 REVISION RECORD MIX_CH1_IN02 ECO NO: APPROVED: DATE: 100p MIX_CH1_IN01 100k R245 12.7K MIX_CH1_IN03 AGND1 MIX_CH1_MS01 CH1_FRONT U6-B MIX_CH1_BT TL074 MIX_CH1_IN04 4.7u BTOUT_CH1 MIX_CH1_IN05 100p AGND1 12.7K MIX_CH1_IN06 12.7K +15V MIX_CH1_MS02 47.5k AGND1 U6-A 47.5k AGND1...
  • Page 45 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 REVISION RECORD ECO NO: APPROVED: DATE: C73A N.I. COMPONENTS ON THIS SHEET ARE PLACED ON MASTER VOLUME SECTION BASS 0.1u 50KB R232 R231 4.75K 4.75K C71A N.I. R230 0.22u 47.5k R229 R228 680p R221 6.19k...
  • Page 46 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 REVISION RECORD +V_LED +V_LED ECO NO: APPROVED: DATE: R284 R287 100k 100k R285 R283 R288 R286 33.2k Q129 33.2k Q229 MMBT3906 MMBT3906 C1086 C2086 SIG_LED_1 SIG_LED_2 SIGNAL LED (GRN) PEAK LED (RED) PEAK LED (RED) SIGNAL LED (GRN) R1003...
  • Page 47 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 IC100 V809R-LF +3.3V +5VM RESET BT_KEY R125 MAIN_POWER [7,9] AIC1747-33GX3A XE6206-1.2V U105 +3.3V U104 0.01u BT_SDA R126 DGND BT_SCL FB108 100k U100 DGND PCM1781 DGND C125 R108 10K R104 10K C124 ZEROA C187 C182 DGND...
  • Page 48 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 REVISION RECORD ECO NO: APPROVED: DATE: USB+5V Q102 NTR4101PT1G +5VM [7,8,9] R306 USB-POWER C230 DGND BT_KEY 1.2K 1.5K 4.7k 8.2k AD_KEY0 [7] R210 R211 R212 R213 R214 R215 R216 R217 LRC099-04AT1G USB+5V DGND Q103 Q104...
  • Page 49 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 REVISION RECORD ECO NO: APPROVED: DATE: TO AMP CH1 CH1_PRIORITY CABLE ASSY 8P P=2.0 L=420 CH2_PRIORITY AGND1 TO INPUT +5VM +V_LCD CH1_HIZ IN02 CH2_HIZ IN03 DIP3_1 +3.3V +15V CABLE ASSY 3P P=2.54 L=500 TO PSU MS01 +3.3VA...
  • Page 50 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 Table of Contents...
  • Page 51 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 REVISION RECORD ECO NO: APPROVED: DATE: TP1 TP2 TP3 TP4 TP5 0.1u 0.1u CON-EURO-5PIN AGND1 AGND1 100pF 500mW IN02 600ohm 220pF 100k MMBFJ108 470p 49.9k MMBD4148SE IN2_VOX PRIOR U1-A Q229 U1-B MMBT3904 0.22uF TL074 U2-A...
  • Page 52 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 REVISION RECORD ECO NO: APPROVED: DATE: TP13 TP14 TP15 0.1u 0.1u CON-EURO-3PIN AGND1 100pF AGND1 600ohm 100k MMBFJ108 470p 49.9k AGND1 U1-C U1-D 49.9k 470p TL074 TL074 AGND1 600ohm 100k MMBFJ108 TP11 TP12 TP16 100pF AGND1 RCA-2P-3HOLE...
  • Page 53 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 REVISION RECORD ECO NO: APPROVED: DATE: TP35 TP36 TP37 R149 10R +15V RCA-2P-3HOLE [1,3,4] 100pF R119 R122 C117 600ohm WHITE 49.9k 1uF 50V 49.9k 0.1u CIRCLEHOLE 470p U1-E AGND1 SQUREHOLE1 C118 0.1u AGND1 MS01 TL074...
  • Page 54 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 REVISION RECORD ECO NO: APPROVED: DATE: +15V N.I. N.I. +3.3VA -15V AGND TO FRONT PANEL N.I. N.I. N.I. N.I. N.I. N.I. AGND AGND AGND TO DIP AGND AGND1 AGND1 R123 +3.3VA CHGND AGND +3.3VA 0.1u...
  • Page 55 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 REVISION RECORD -15V ECO NO: APPROVED: DATE: -15V 0.01uf CH1 70V/100V CH1_HIZ 22uf CH1 CHIME CH1_CHIME INPUT 1 LINE/MIC +27V AGND INPUT 2 LINE/MIC DIP1_4 INPUT 2 PHANTOM DIP1_7 DIP1_6 INPUT 3 LINE/MIC DIP1_8 INPUT 3 PHANTOM DIP1_9...
  • Page 56 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 REVISION RECORD DATE: ECO NO: APPROVED: CH1_COM TO O/P XFMR CH1_COM CH1_70.7V CH1_70.7V SP-OUT_05P CH1_100V CH1_100V CH1 SPEAKER/HI-Z CH1- CH1+ CH1+ CH1- CH2+ CH2- CH2_COM TO O/P XFMR CH2_COM CH2_70.7V CH2_70.7V CH2_100V SP-OUT_05P CH2_100V CH2 SPEAKER/HI-Z...
  • Page 57 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 REVISION RECORD ECO NO: APPROVED: 15V+I1 15V-I1 DATE: 15V+P1 15V+I1 CR100 R194 CR101 1N4148 R193 1N4148 R198 +15V C102 +15V +15V 0.1u NJM4560M R101 R102 0.1u C111 U100-C 0.1u NJM4560M C107 U100-A U102-C C151 0.1u...
  • Page 58 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 REVISION RECORD ECO NO: APPROVED: DATE: TO FRONT PANEL CH1_PRIORITY CH2_PRIORITY CH1_HIZ CH2_HIZ +15V -15V DIP3_1 DIP3_2 DIP3_3 TO FRONT INPUT BOARD DIP3_4 DIP1_4 +27V DIP3_6 DIP2_4 +15V DIP3_7 +3.3VA +15V -15V DIP3_8 C180 +15V...
  • Page 59 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 REVISION RECORD ECO NO: APPROVED: DATE: 15V+P2 15V+I2 15V+I2 15V-I2 R294 R293 R298 +15V +15V +15V CR200 CR201 C202 1N4148 1N4148 C251 U202-C LM393 U200-C 0.1u NJM4560M NJM4560M U205-C C207 R201 R202 NJM4560M U204-E R295...
  • Page 60 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 REVISION RECORD ECO NO: APPROVED: DATE: -15V +15V +30V +3.3VA TO AMP CH1 REMOTE_2 CH2_HIZ CH2_CLIP COMMON THERMAL MANAGEMENT SIG_LED_2 +30V 220R CH2_AMP +30V C2103 +15V LM317 220u +15V 24V FAN CR511 10K 1% R2013 U2-C...
  • Page 61 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 REVISION RECORD ECO NO: APPROVED: DATE: DC GBK25G +VCC1 NOTE 3 SEE NOTE 2 1/4W CT-1 3Pin 3.96mm 0.1uF 250V 1/4W SEE NOTE 2 CH1 AMP POWER SUPPLY -VCC1 NOTE 3 CHGND DC GBK25G +VCC2 CON-03P...
  • Page 62 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 REVISION RECORD ECO NO: APPROVED: DATE: TO PSU Power Switch 0.0047uF 400VAC 4.7K TO PSU BLUE Power LED COMPANY: TITLE: VMA - 2-CH POWER SWITCH DRAWN: DATED: <Drawn By> <Drawn Date> CHECKED: DATED: CODE: SIZE:...
  • Page 63 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 1 CHANNEL EXPLODE DRAWING Table of Contents...
  • Page 64 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 1 CHANNEL EXPLODE DRAWING Table of Contents...
  • Page 65 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 1 CHANNEL EXPLODE DRAWING Table of Contents...
  • Page 66 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 2 CHANNEL EXPLODE DRAWING Table of Contents...
  • Page 67 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 2 CHANNEL EXPLODE DRAWING Table of Contents...
  • Page 68 VMA 160/1120/1240/260/2120 Service Manual Bill of Materials - VMA SERIES Version A - 09/20 Ref ID Description LINE CORD IEC EU 10A 250V L=2000MM "I-SHENG" V246C30161220000 LEFT EPE 501X160X125mm REV.B RIGHT EPE 501X160X125mm REV.B CARTON BOX 532X524X182mm VMA SERIES REV.A W/ARTWORK REV.A FRONT ANGLE BRACKET SECC BLACK REV.A REAR PLAT BRACKET SECC BLACK REV.B REAR ANGLE BRACKET SECC BLACK REV.A...
  • Page 69 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 SUB FRONT PANEL SECC N NATURAL REV.B HEADPHONE JACK FIX BRACKET SECC N NATURAL REV.A BIG GASKET SECC BLACK REV.A SMALL GASKET SECC BLACK REV.A FOOT PAD 35X9mm REV.A RA-35(S) SCREW M4 X 8MM M/C +WASHER HEAD BLK SCREW M4 X 8MM M/C +B/H BLK SCREW M3*8MM CNSK POZI BLACK REV.A SCREW M3*6MM PAN POZI BLACK REV.A...
  • Page 70 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 USB A-TYPE CONNECTOR 4PIN DIP "ZHONG ZHOU" USB-901H-GT-BW CRYSTAL OSC 12MHZ HC49 CL18PF 50PPM "UTECH" HC-49/S CONN 10PIN FLAT FLEX P=1.0MM DIP TH WITH LOCK "HONGJIAN" POT 50KB 3LEAD "IDEL" RX10020N-TS18B7-B503 CONN 28PIN FLAT FLEX P=1.0MM DIP TH WITH LOCK "FPC10SST28007""HONGJIAN" CONN HEADER 2P 2.54MM MALE CRMP TOP ENTRY PCB "SHI YIN"25001SSWT0281PT LABEL 30.5X10.5mm SELF ADHESIVE WHITE PAP POT 10K 25A MONO 9MM L=25MM VERT TH "IDEL"...
  • Page 71 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 CAP SMD CER 100PF 5% 50V 0603 C0G CAP SMD CER 1000PF 10% 50V 0603 X7R CAP SMD CER 0.01UF 10% 50V 0603 X7R CAP SMD CER 22PF 5% 50V 0603 COG CAP SMD CER 33pF 10% 50V 0603 X7R CAP SMD CER 1UF 10% 16V 0603 X5R CAP SMD CER 10UF 20% 25V 0603 X5R...
  • Page 72 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 RES MO 5WS 5% 2.2K TAPE RES MO 5WS 5% 5.6R CAP RAD POLY 0.047UF 10% 250V P=10MM 11.5X8.5X4MM(WXHXT) "MATRONIC" MER THERMISTOR 5K 1% NTC "VISHAY" NTCLE203E3502FBO DIODE 1N5402 DO-27 3A/200V TAPE "DC" 1N5402 DIODE 1SS244 DO-34 T&R "ROHM"...
  • Page 73 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 RES SMD 1206 1/4W 1% 220R RES SMD 0603 1/10W 1% 2K RES SMD 0603 1/16W 1% 3.3K RES SMD 0603 1/10W 1% 47K RES SMD 0603 1/10W 1% 511R T&R RES SMD 1206 1/8W 5% 68R CAP SMD CER 20pF 5% 200V 1206 NPO RES SMD 0603 1/16W 5% 10K RES SMD 0603 1/16W 5% 160K...
  • Page 74 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 IC NJM4560M SMD SO-8 DUAL OPAMP "JRC" NJM4560M IC LM393DR SMD 8-PIN SOIC DUAL DIFFERNTIAL COMPARATORS "TI"LM393DR IC TL074 SO-14 LOW NOISE JFET QUAD OPAMP "ST" TL074CDT DIODE LL4148 SMD SOD80 "VISHAY" LL4148 DIODE GS1G M4 SMD DO-214AC 1A/400V "DC"...
  • Page 75 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 PCB SMD ASSY 1-CH VMA1240/1120/160 INPUT BOARD CAP SMD CER 470PF 10% 100V 0603 X7R CAP SMD CER 0.1UF +80%/-20% 50V 0603 Y5V CAP SMD CER 100PF 5% 50V 0603 NPO CAP SMD CER 1UF 10% 50V 0603 X7R CAP SMD CER 0.01uF 10% 50V 0603 X7R CAP SMD CER 47PF 5% 50V 0603 COG CAP SMD CER 0.22uF 10% 50V 0603 X5R...
  • Page 76 VMA 160/1120/1240/260/2120 Service Manual Version A - 09/20 CONN HEADER 3P 2.54MM MALE CRMP TOP ENTRY PCB "SHI YIN"25001SSWT0381PT DIODE BRIDGE GBJ2510 25A/1000V "MDD" GBJ2510 IC NJM7805FA TO-220F REG +5V 1.5A "JRC" NJM7805FA IC NJM7815FA TO-220F REG +15V 1.5A "JRC" NJM7815FA IC LM317LZ TO92 VOLTAGE REGULATOR 1.2-37V 100MA "NATIONAL"LM317LZ IC NJM7915FA TO-220F REG -15V 1.5A "JRC"...

This manual is also suitable for:

Jbl vma-160Jbl vma-1120Jbl vma-1240Jbl vma-260Jbl vma-2120