input -5 wjio crn chassis gnd -2 -3 -2 -a -2 -3 —4 -s —2 pwia-i pwte-l. 100v wiring export power 230v wiring export power xfmr 240v wiring sov checked by: date: approved by: service diagram, combined blues junior iv size rev. 2 drawing number sheet: miniwm. date: drawn: database engr: file: release date; title: fender-blues-junior-iv-rev.. The schematic diagram of a Fender Blues Jr amplifier is a visual representation of its circuitry. It shows the different components and how they are connected to each other.. It starts from the input jack, goes through the preamp stage, tone controls, power amp section, and finally to the speaker.. Efficient Wiring Techniques for Lutron 3.
View and Download Fender BLUES JUNIOR service manual online. BLUES JUNIOR amplifier pdf manual download.. 7.5 Wiring Diagram; Download this manual; See also: Owner's Manual, Service Diagram. CONTENTS: Notices. Specifications.. (@ INPUT JACK & POWER SWITCH) 990430010 WASHER LCK INTL 3/8X.681X.032 (@ SPEAKER & FOOTSWITCH JACK) 049969 XFMR.. Blues Junior Input Jack Replacement 03-26-2019, 11:14 PM. I didn't find much info here, so I thought I'd post.. Since seeing another thread about these (cheesy) jacks I thought I would add that wiring is: Original Fender pin # 1= shield, center/sleeve on Switchcraft, 2=signal/tip 5=shorting switch Comment. Post Cancel.