Pioneer BP-780 User Manual

Service
anual
GRAPHIC EQUALIZER/AMPLIFIER
p-7
SPECIFICATIONS
Power source .......... 14.4V DC (10.8—15.6V allowable)
Grounding
system
..........
006
e
ee
eee
eee
ees
Negative
type
Max.
current
consumption
.............
eee
eee
eee
ees
8A
Dimensions
.............+55:
150(W)
X
50(H)
X
150(D)mm
[5-3/8(W) X 2(H) X 5-3/8 (D)in.]
Weidhtcic¢sensetecie erat ete ceded ae 1.3kg (2.9lbs.)
Continuous
power
output
is
12W
per
channel
min.
into
4
ohms,
both
channels
driven
50
to
20,000Hz
with
no
more
than
5%
THD.
Maximum
power
output
..........
0-0.
eee
eee
20W
X
4
Load
impedance
.............---+-
49
(4—80
allowable)
Frequency
response
...............-.
20—50,000Hz
(+
3dB)
Signal-to-noise
ratio
.........
90dB
(IHF-A
network,
at
1W)
DistOnion:.
osc:
eccecy
et
tan
wet
ees
0.5%
(at
1.5W,
1kHz)
WY)
PIONEER
W19
ORDER
NO.
CRT -481-0
US, CA, ES, EW
Input leVel! ssc. oereee eee wae Me COMPO: 7OnV/20k0
LINE IN: 200m V/15k.
BOOSTER: 3V/1200
Equalization
frequency
.......
6OHz,
125Hz,
250H:,
500Hz,
1kHz, 3.5kHz, 10kHz
Gall. 6.5.4 eee con ees en a ae Oe ea eae een a OdB
Equalization range .......... 0.6 e eee eee eee 7%, 212dB
These specifications were determined and are presented in
accordance with specification standards established by the
Ad Hoc Committee of Car Stereo Manufacturers.
Note:
Specifications and the design are subject to possible modifi-
cation without notice due to improvements.
a
a
SS
eee
es
re
ng
PIONEER
ELECTRONIC
CORPORATION
4-1,
Meguro
1-Chome,
Meguro-ku,
Tokyo
153,
Japan
PIONEER
ELECTRONICS
[USA] INC.
P.O.
Box
1760,
Long
Beach,
California
90801 U.S.A.
TEL:
(BOO)
421-1404,
(BOO)
237-0424
PIONEER
ELECTRONIC
[EUROPE]
N.V.
Keetbergiaan
1,2740
Beveren,
Belgium
TEL:
03/775:28:08
PIONEER
ELECTRONICS
AUSTRALIA
PTY.
LTD.
178-184
Boundary
Road,
Braeside,
Victoria
3195,
Australia
TEL:
(O03)
580-9911
ET © DEC. 1984 Printe# in Japan

Pioneer BP-780 Specifications

General

Brand	Pioneer
Model	BP-780
Category	Recording Equipment
Language	English

Summary

Specifications

1. Parts Location

2. Name of Parts and Their Function

3. Connection

Input Selector

Selects the input source for the unit, including COMPO, BOOSTER, or PIN JACK.

When Combined with a Component Car Stereo

Diagram and instructions for connecting the unit with a component car stereo system.

4. Circuit Description

Block Diagram

Overview of the unit's circuitry and signal flow.

Level Diagram

Audio Signal path (Lch)

Traces the audio signal path for the Left channel.

5. Disassembly

Removal of Case

Instructions for removing the external case of the unit.

Removal of Chassis

Procedure for removing the internal chassis from the unit.

Removal of Grille Assembly

ICs and Transistors

6. Schematic Circuit Diagram (BP-780/US, CA, ES)

8. Schematic Circuit Diagram (BP-780/EW)

10. Exploded View

11. Electrical Parts List

Miscellaneous

Lists various non-component parts like ICs, switches, and transformers.

Resistors

Details of resistor components, including part numbers and descriptions.

Capacitors

Lists capacitor components with their respective part numbers and descriptions.

12. Packing Method