Pioneer KEH-1940 - Manual (Page 3)

Note:
•
This unit is for vehicles with a 12-volt battery
and negative grounding. Before installing it in a
recreational vehicle, truck, or bus, check the bat-
tery voltage.
• To avoid shorts in the electrical system, be sure
to disconnect the ≠ battery cable before begin-
ning installation.
• Secure the wiring with cable clamps or adhesive
tape. To protect the wiring, wrap adhesive tape
around them where they lie against metal parts.
• Route and secure all wiring so it cannot touch
any moving parts, such as the gear shift, hand-
brake and seat rails. Do not route wiring in
places that get hot, such as near the heater outlet.
If the insulation of the wiring melts or gets torn,
there is a danger of the wiring short-circuiting to
the vehicle body.
• Don’t pass the yellow lead through a hole into
the engine compartment to connect to the battery.
This will damage the lead insulation and cause a
very dangerous short.
• Do not shorten any leads. If you do, the protec-
tion circuit may fail to work when it should.
• Never feed power to other equipment by cutting
the insulation of the power supply lead of the
unit and tapping into the lead. The current capac-
ity of the lead will be exceeded, causing over-
heating.
• When replacing fuse, be sure to use only fuse of
the rating prescribed on this unit.
• Since a unique BPTL circuit is employed, never
wire so the speaker leads are directly grounded or
the left and right ≠ speaker leads are common.
• Speakers connected to this unit must be high-
power types with minimum rating of 40 W and
impedance of 4 to 8 ohms. Connecting speakers
with output and/or impedance values other than
those noted here may result in the speakers catch-
ing fire, emitting smoke or becoming damaged.
• When this product’s source is switched ON, a
control signal is output through the blue/white
lead. Connect to the car’s Auto-antenna relay
control terminal. (Max. 300 mA 12 V DC.) If the
car features a glass antenna, connect to the anten-
na booster power supply terminal.
• To avoid short-circuiting, cover the disconnected
lead with insulating tape. Especially, insulate the
unused speaker leads without fail. There is a pos-
sibility of short-circuiting if the leads are not
insulated.
• If this unit is installed in a vehicle that does not
have an ACC (accessory) position on the ignition
switch, the red lead of the unit should be con-
nected to a terminal coupled with ignition switch
ON/OFF operations. If this is not done, the vehi-
cle battery may be drained when you are away
from the vehicle for several hours.
• The black lead is ground. Please ground this lead
separately from the ground of high-current prod-
ucts such as power amps.
If you ground the products together and the
ground becomes detached, there is a risk of dam-
age to the products or fire.
• Cords for this product and those for other prod-
ucts may be different colors even if they have the
same function. When connecting this product to
another product, refer to the supplied Installation
manuals of both products and connect cords that
have the same function.
No ACC position ACC position
ON
S
T
A
R
T
O
FF
ACC ON
S
T
A
R
T
O
FF
Connection Diagram (Fig.4)
1. This product
2. Antenna jack
3. Connect leads of the same color to each other.
4. Note:
Depending on the kind of vehicle, the function of
7 and 9 may be different. If this is the case, be
sure to connect 6 to 9 and 7 to 8.
When the power cord of the other product is con-
nected to terminal 5, check the function of the
terminal 5 (Back up or Accessory) beforehand.
5. Cap
6. Yellow
To terminal always supplied with power regard-
less of ignition switch position.
7. Yellow
Back-up (or Accessory)
8. Red
To electric terminal controlled by ignition switch
(12 V DC) ON/OFF.
9. Red
Accessory (or Back-up)
10. Black (ground)
To vehicle (metal) body.
11. ISO connector
Note:
In some vehicles, the ISO connector may be
divided into two. If this is the case, be sure to
connect to both connectors.
12. Speaker leads
White: Front left +
White/black: Front left ≠
Gray: Front right +
Gray/black: Front right ≠
Green: Rear left +
Green/black: Rear left ≠
Violet: Rear right +
Violet/black: Rear right ≠
13. Blue/white
To Auto-antenna relay control terminal.
(Max. 300 mA 12 V DC.)
14.
15. Fuse
<ENGLISH> Connecting the Units
1.This Product
2.Antenna jack
3.Connect leads of the same
color to each other.
5.Cap
6.Yellow
T
regardless of ignition switch position. o terminal always supplied with power 7.Yellow
Back-up (or Accessory)
8.Red
To electric terminal controlled by ignition
switch (12 V DC) ON/OFF. 9.Red
Accessory (or Back-up)
5
6 7
8 9
Note: 4. Note:
Depending on the kind of vehicle, the
function of 7 and 9 may be different.
If this is the case, be sure to connect
6 to 9 and 7 to 8.
When the power cord of the other
product is connected to terminal 5,
check the function of the terminal 5
(Back up or Accessory) beforehand.
4.
11.ISO connector
Note:
In some vehicles, the ISO connector may be
divided into two. If this is the case, be sure to
connect to both connectors.
12.Speaker leads
White: Front left +
White/black: Front left ≠
Gray: Front right +
Gray/black: Front right ≠
Green: Rear left +
Green/black: Rear left ≠
Violet: Rear right +
Violet/black: Rear right ≠
13.Blue/white
To Auto-antenna relay control terminal.
(Max. 300 mA 12 V DC.)
10.Black (ground)
To vehicle (metal) body.
15.Fuse
14. Blue/white
The pin position of the ISO connector
will differ according to the type of
vehicle. Connect 13 and 14 when Pin 5 is
an antenna control type. In another type
of vehicle, never connect 13 and 14.
Fig. 4
Abb. 4
Afb. 4
Blue/white
The pin position of the ISO connector will dif-
fer according to the type of vehicle. Connect
13 and 14 when Pin 5 is an antenna control
type. In another type of vehicle, never connect
13 and 14.