Pioneer GM-202 - User Manual

Y PIONEER’
The Art of Entertainment
@ GM-202/xX1H/UC
BRIDGEABLE POWER AMPLIFIER
GM-20
ORDER NO.
CRT1643
xXIN/UC
GM-202 XIFV/EW,ES
GM-102 xIH/UC
CONTENTS
1. SAFETY INFORMATION(UC MODEL) «..-s.sccceucteees 2
2. DISASSEMBLY ....csscscsuscsnseesctnetetenenscsctienseee 2
3. ELECTRICAL PARTS LIST cru sssesssesstsstcesseiesenetet 3
4. CONNECTION DIAGRAM
(GM-202/X1H/UC,EW,ES)....5
5. SCHEMATIC CIRCUIT DIAGRAM
(GM-202/X1H/UC,EW,ES)....7
6. CONNECTION DIAGRAM(GM-102/X 1H/UC)........ 9
SPECIFICATIONS
Power Source ........... 14.4V DC (10.8 — 15.6 V allowable)
Grounding System oo... eee eeeceeeeeeeeee Negative type
Current consumption
12.5 A (at continuous power, 49)
Average current drawn......... 3.5A (4Q for two channels)
6A (4Q for one channel)
BUS Oca ce stecidsetdislctescesiediecdteescsaty ent baaa teenies By avi case 15A
DIMENSIONS «0... eee 206(W) * 50(H) = 175(D)mm
{8- 1/8{W) * 2(H} x 6-7/8(D}in.}
WI GRE ecsscevsectscsesciacth cxcetecniiedtsdedaverrain wnhccspeeenies 1.9 kg
{2.2 Ibs.) (Leads for wiring not included)
Maximum power output............ TOW X 2/160W * 1 (EIAS)
PIONEER ELECTRONIC CORPORAT
jleguro 1+
7, SCHEMATIC CIRCUIT DIAGRAM
(GM-102/X1H/UC)........ 11
8. EXPLODED VIEW...
9. PACKING METHOD
10. OPERATIONS AND CONNECTION
(GM-202/X TH/UC)........ 7
11. OPERATIONS AND CONNECTION
(GM-102/X1H/UC)........ 19
Continuous power output
sevens
35W
x
2(at
14.4V,
49,
20
—
20,000
Hz,
0.08%
THD)
BOW
x
Tat
14.4V,
2,
20
—
20,000
Hz,
0.8%
THD)
SOW
x
2{at
14.4V,
20,
20
—
20,000
Hz,
0.8%
THD)
25W
X
2{at
12V,
4Q,
20
—
20,000
Hz,
0.08%
THD)
55W * tat 12V, 4Q, 20 — 20,000 Hz, 0.8% THD)
35W * 2fat 12V, 2Q, 20 — 20,000 Hz, 0.8% THD)
Load
impedance...
eecceeeeeee
4Q
(2
—
8
allowable)
-.10 —- 50,000 Hz (+0dB, -1dB)
105 dB (INF — A network)
60 dB(1kHz)
RCA: 0.4 —~ 2V/22kQ
Frequency response...
Signal-to-noise ratio ..
Separation
input level/impedance ..
Input level/impedance (GM-X102)
decervidesnd saves sovtsedes Speaker: 1.6 — 8 V/40kQ
ome, Meguro-ku, Tokyo 153, Japan
PIONEER ELECTRONICS SERVICE INC. P.O.Box 1760, Long Beach, California 90801 U.S.A.
PIONEER ELECTRONICS OF CANADA, INC. 300 Allstate Parkway Markham, Ontario L8R OP2 Canada
PIONEER ELECTRONIC [EUROPE] N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Beigium
PIONEER
ELECTRONICS
AUSTRALIA
PTY.LTD.
178-184
Boundary
Road,
Braeside,
Victoria
3195,
Australia
TEL:103}580-9911
© PIONEER ELECTRONIC CORPORATION 1995
K-FFP. JAN. 1995 Printed in Japan

Summary

Safety Information

Caution for Technicians

Manual intended for qualified technicians; risks of improper repair.

Lead Solder Warning

Lead in solder is a reproductive toxicant; precautions for handling.

Disassembly Procedures

Removing Case and Panel

Steps to remove the outer case and front panel.

Removing the Amp Unit

Procedure to detach the amp unit from the heat sink.

Operations and Connection (GM-202;X1 H;UC)

Setting of This Unit

Controls and adjustments for the unit's operation.

Power Indicator

Explanation of the power indicator light's function.

Input Level Adjustment

How to adjust input sensitivity for optimal sound.

BFC Switch

Function of the Beat Frequency Control switch for AM broadcasts.

Connecting the Unit

Wiring Precautions

General safety and installation guidelines for wiring.

Speaker Connection

Guidelines and specifications for connecting speakers.

Power and Ground Connection

Correctly connecting the power and ground wires.

Three-Channel Mode Wiring

Stereo Plus Mono Configuration

Advanced wiring for three-channel stereo and mono output.

Three-Way System Wiring

Specific wiring for three-channel, three-way system.

Two-Way System Wiring

Specific wiring for three-channel, two-way system.

Filter Constant Settings

Low-Pass Filter Setting

Configuration for low-pass filter (6 dB/octave).

High-Pass Filter Setting

Configuration for high-pass filter (6 dB/octave).

Band-Pass Filter Setting

Configuration for band-pass filter (6 dB/octave).

Operations and Connection (GM-102;X1 H;UC)

Pioneer GM-202 Specifications

General

Brand	Pioneer
Model	GM-202
Category	Amplifier
Language	English