JBL 7130 Скачать руководство пользователя страница 15

WARNING 

T H I S  S E C T I O N  O F  T H E  M A N U A L 

C O N T A I N S  S E R V I C E  I N S T R U C T I O N S 

F O R  U S E  B Y  Q U A L I F I E D  S E R V I C E 

P E R S O N N E L  O N L Y . 

Test Equipment Required  T o Meet Proof of Performance: 

Clarostat 240C Decade resistance box 

Dana 170 Amplifier 

Fluke 8000A DVM 

GenRad W5MT3W Variable transformer 

GenRad 1523/1523P2 Graphic level recorder set 

GenRad 1840-A Output power meter 

HP 350B Attenuator set 

HP 339A Distortion measurement set 

HP 400  F L  A C voltmeter 

Krohn-Hite 3202 Filter

Philips PM3262 Dual trace scope 

Sound Technology 1770B IM distortion measurement set 

Tektronix 7000 series Storage oscilloscope 

Notes: 1. Equivalent test equipment may be substituted. 

2. 20 kHz equivalent bandwidth filter. 

14 

Содержание 7130

Страница 1: ...JBL 7130 INSTALLATION AND SERVICE MANUAL...

Страница 2: ...the original design specifications unless otherwise stated PRODUCT SPECIFICATIONS Maximum Gain Direct Input Unbalanced 1 Line 30 dB high 2 Microphone 62 dB high Z Balanced Input1 Line with 5195 84 dB...

Страница 3: ...perating switches meter threshold and level controls except for MIC LINE input selector switches are located on the front panel Figure 1 Input Connections Input connections to the 7130 may be either d...

Страница 4: ...transformer from the appropriate 9 pin socket 2 Install two 12 AWG copper jumpers per Figure 6 JUMPER PINS 8 9 JUMPER PINS 4 5 OPTIONAL INPUT TRANSFORMER 5195 or 5901 SWITCH S E L E C T S INPUT OPTION...

Страница 5: ...Limit modes of 7130 Meter Select Selects VU meter function Gain Reduction Line Out Threshold Adjustable control which sets the level above which compression or limiting occurs Power Switch Applies po...

Страница 6: ...th optional 5195 transformer Unbalanced 15 k ft input impedance or 600 ft input impedance using a 620 ft resistor connected to terminals GNOand D I R E C T MIC 1 Push lock push release switch Line all...

Страница 7: ...ER MODE COMPRESSOR MODE 6 A Control set to B Input signal 0 dBm C Control set to D Control level set for 1 10 dBm at A Control set to B Control set to C Input signal 0 dBm D Control level set for 10 d...

Страница 8: ...e the following procedure to change the voltage range MOLEX COMMONING CONNECTOR WARNING THIS SECTION OF THE MANUAL CONTAINS S E R V I C E INSTRUCTIONS FOR USE BY Q U A L I F I E D S E R V I C E PERSON...

Страница 9: ...V AC commoning wire code Comming Connector Wire Spacer Terminal Color Wire Origin Required 1 Note 1 Power Cord 2 Wht Power Switch 3 Yes 4 Blk Wht Power Switch 5 Blk Power Transformer 6 Yes 7 Blk Wht...

Страница 10: ...re guide strip the outer covering from the new power cord and cut each wire to the appropriate length per the local wiring code E Strip 5 mm 3 16 in from the longest wire and tin F Insert the wires fr...

Страница 11: ...tmeter to the OUTPUT screw terminal board DIRECT and GND and terminate with a 600 ft load 3 Connect the test oscillator s 600 output terminated by 600 ft load to LINE 1 screw terminal board DIRECT and...

Страница 12: ...WARNING THIS SECTION OF T H E MANUAL CONTAINS SERVICE INSTRUCTIONS FOR USE BY QUALIFIED S E R V I C E PERSONNEL ONLY 11 7130 Exploded View and Parts List FIGURE 13...

Страница 13: ...ding head screw 16 47896 7 6 32 x 5 16 hex head screw 17 59893 1 Green LED lens 18 54953 1 Power switch 19 13189 2 Capacitor 20 59294 1 Chassis Item JBL Part No Qty Description 21 89654 6 6 x 3 8 hex...

Страница 14: ...Block Diagram 13 WARNING THIS SECTION OF THE MANUAL CONTAINS S E R V I C E INSTRUCTIONS FOR USE BY QUALIFIED S E R V I C E PERSONNEL ONLY...

Страница 15: ...00A DVM GenRad W5MT3W Variable transformer GenRad 1523 1523P2 Graphic level recorder set GenRad 1840 A Output power meter HP 350B Attenuator set HP 339A Distortion measurement set HP 400 F L AC voltme...

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