Wiring Diagram/Block Diagram - Roland JC-40 Service Notes

Nov. 2015

Wiring Diagram/Block Diagram

fig.wiring-block.eps@L
SPEED
VOLUME BOARD
VR500
BRI
VOLUME TREBLE
SW1 VR2
L/MONO
JK1
Q13
INPUT
R
JK2
Q26
MAIN BOARD
No. Part Code Part Name
W1 5100046167 WIRING
W2 5100046168 WIRING
W3 5100046170 WIRING
W4 5100046171 WIRING
W5 5100046177 WIRING
W6 5100046178 WIRING
W7 5100046179 WIRING
W8 5100046188 WIRING
W10 5100047043 WIRING
W11 5100047044 WIRING
W14 5100033985 WIRING
12
DEPTH VIB/CHORUS
VR501 SW500
MIDDLE BASS DISTORTION REVERB
VR3 VR4 VR5 VR6
ADC
IC4
IC18
ADC
IC6
IC13
ADC
IC29
Description
1007#28 15X260-PHR-SAN-F
1007#28 7X200-PHR-SAN-F
1007#28 2X230-PHR-SAN-F
W4 (1672#22-BLK)
W5 (1015#22-RED)
W6 (1015#22-BLK)
W7 (1015#22-ORG)
W8 (1015#22-BRN)
W10 (1672#18-BLK/WHT)
1007#28 8X90-PHR-SAN-F
W14
DISTORTION REVERB
W11
JK800
W2
VR7
IC16
CPU/DSP
Q'ty
1
1
1
2
1
1
1
1
1
1
1
JACK BOARD
(DIGITAL PART)
LOOP
CHORUS
VIBRATO
JK802 JK801
SW800
JC-40
W3
DAC
IC30
IC9
DAC
IC31
IC22
DAC
IC26