JVC KB-700 Service Manual page 3

KB-700 B/N/H
Safetey Precaution
1. Make sure to use the specified parts for those marked
with
/k
symbol.
2. Return the clamp near the power supply to original po¬
sition after servicing.
3. Disconnect the power before removing connectors of
various units and circuit boards.
4. IMPORTANT: (Model KB-500B only)
The wires in the mains lead (power cord) are coloured in
accordance with the following code:
Green-and-Yeilow : Earth
Blue : Neutral
Brown : Live
The wire which is coloured Green-and Yellow must be
connected to the treminai in the plug which is marked
by the letter E or by the safety earth symbol i °r co¬
loured green or green-and-yellow.
The wire which is coloured Blue must be connected to
the terminal which is marked with the letter N or co¬
loured blue or black.
The wire which is coloured Brown must be connected
to the treminai which is marked with the letter L or co¬
loured brown or red.
Features
u
Variegated auto-accompanyment system by adopting
the multi-functional microcomputer system.
a Compucorder memorizing chord and bases of 62 bars of
3 musics
n Key split switches over the accompanyment keyboard
from a range to another.
b Easy transposing by use of the key transpose function.
m
Stereophonic auto-rhythm.
m
Pan pot mixer helps to make right and left sound images
differently and free.
■ Magic foot controls three kinds of effects,
a Solo synthe. presets and orchestra presets in the two
master sound source system
a Solo synthe. presets with solo keying function thank to
a quasi-synthesizer circuit system,
a Orchestra presets of 8-note polyphonic system
Main Parts Location
Fig. 1
21 Fuse R520
Speaker
P. Transformer
Q29
Super
Capacitor
CPU DM P.C.B.
So
MKM P.C.B.
R320
3