Harman Kardon GLA-55 Service Manual
harman/kardon
GLA-55
GLA-55/230
Two-Piece 2.0 Multimedia Speaker System
SERVICE MANUAL
harman/kardon, Inc.
8500 Balboa Blvd.
Released 2009 Northridge, CA. 91329 Rev0 4/2010
Discontinued XXXX
GLA-55 harman/kardon
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CONTENTS
BASIC SPECIFICATIONS………………………………..1
FEATURES……..….…………………………..…………..2
PACKAGING………………………..….…………………..3
QUIC K SETUP/ C O NNECTI O NS………………………….4
OPERATION…..……………………...……………………5
EXPLODED VIEW (MASTER, RIGHT)…..….….. ……..6
MATCHING PARTS LIST (MASTER, RIGHT) …….…....7
EXPLODED VIEW (SLAVE, LEFT)………… …………..9
MATC H I NG PART S LIST (SLAVE, LEFT) …………......10
DISASSEMBLY INSTRUCTIONS………..……….….…11
DISASSEMBLY IMAGE AIDS……………….…….….…14
NOTE ON ELECTRONICS……………………….…..…16
ELECTRICAL PARTS LIST…….…………………….…17
PCB DRAWINGS……………………………..……….…23
SCHEMATICS……………………………………..…..…24
GLA-55 SPECIFICATIONS
Power Output 56 Watts RMS per channel
Frequency Response (–10dB) 35Hz – 20kHz (- 10dB)
Dimensions (W x D x H) 5 x 10.5” (127mm x 267mm)
Weight per Speaker 2.5lb (1.2kg)
Input Impedance 5k ohms
Signal-to-Noise Ratio 85dB A-weighted
Input Requirement Main connection – 1/8" (3.5mm) mini stereo jack
Input Sensitivity 250mV for rated power
Maximum Power Consumption 60 Watts
Driver Complement Atlas™ AL Woofer; CMMD® Lite Tweeter
Voltage Input 120V AC (US), 100V AC (Japanese), 230V AC (Europe)
harman/kardon, Inc. continually strives to update and improve existing products, as well as create new ones. The specifications and
construction details in this and related publications are therefore subject to change without notice.
Features
Compatibility
• The GLA-55 speaker system is compatible with virtually any audio device with an analog output. A stereo mini jack connection allows
you to enjoy high-quality audio from a variety of devices such as MP3 and CD players, desktop computers (all platforms), satellite radio
and laptops.
Easy-to-use music controls
• Just a touch increases or decrease the volume. Touch both volume controls simultaneously to mute the audio output. Touch again to
unmute. An LED on the front of both satellites lets you know whether the system is on, on standby, or muted.
Beauty and sound
• The GLA-55 is a stylized multimedia focal point. Not just an exceptionally high-quality audio system, it’s also – from its chrome base to
its fully visible audio engine and port – a piece of art. No detail is left unrefined. The faceted cut-glass enclosures are a first in desktop
audio systems, and will integrate beautifully with home and office décor.
Digital power and DSP
• The GLA-55 system delivers with a powerfully tuned digital audio path. The clean and compact digital amplification, coupled with
DSP (digital signal processing) equalization, efficiently provides GLA-55 transducers with cool-running power.
Subwoofer output
• The GLA-55 systems packs a powerful punch on its own but, for added bass response, the subwoofer output allows connection to most
stand-alone subwoofer systems.
Advanced technology
• GLA-55 speakers feature many proprietary technologies to provide the highest quality sound, including astonishing bass and clear,
accurate sound in any location.
• Atlas
TM
AL and CMMD® Transducers – The CMMD drivers provide accurate high frequencies but are also capable of low-frequency
extension to four octaves; the Atlas AL drivers are capable of nearly 1" peak-to-peak travel for tight, accurate bass reproduction. Their
pairing provides a full, rich frequency response from the lowest bass to the highest highs.
• Slipstream Port Design – The GLA-55 port minimizes boundary layer separation, providing high-output bass with low distortion.
• COE (Computer-Optimized Equalization) – The GLA-55 system equalization is computer-optimized to provide a rich, complete sound-
stage over a wide range of listening positions.
• OCT (Optimized Compression Topology) – GLA-55 speakers utilize a proprietary compression technology, which ensures clean,
accurate sound at high output levels.
Detailed technical specifications
/ GLA-55
Two-piece speaker system
Manufacturer: Harman Kardon, Inc.
Model Name: GLA-55
Available In: Clear with chrome accents
Input Requirement: Main connection – 1/8" (3.5mm)
mini stereo jack
Drivers: 1 x CMMD, 1 x Atlas AL driver
per satellite
Power: 56 Watts per satellite
Frequency Response: 60Hz – 20kHz
Dimensions (W x H): 5.5" x 10.5" (140mm x 270mm)
Weight: Approx 2.5 lb (1.2kg)
Input Impedance: 5k ohms
Voltage input: 120V AC (US), 100V AC (Japanese),
230V AC (Europe)
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Part Number Description
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900-0478-001 GIFT BOX, HK CRYSTAL
950-0084-002 WARRANTY CARD; GENERIC HARMAN MULTIMEDIA
905-0032-001 FOAM, CUSHION, TOP, EPE, HK CRYSTAL
905-0033-001 FOAM, CUSHION, BOTTOM, EPE, HK CRYSTAL
500-0368-001 CABLE, STEREO, 3.5MM, STRAIGHT ON ONE SIDE, RT ANGLE
700-0072-001 POWER SUPPLY, HK CRYSTAL, US
AC SUPPLY CORD NEEDED WITH 700-0072-001
AC PWR CORD US 500-0130-001
AC PWR CORD EU 500-0130-002
AC PWR CORD, UK 500-0130-003
AC PWR CORD AUSTRALIA 500-0130-004
AC PWR CORD 100V JAPAN 500-0130-005
AC PWR CORD, KOREA 500-0130-006
AC PWR CORD, CHINA 500-0130-007
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harman/kardon GLA-55
• LED’s and Auto-ON feature:
The unit has an Auto-ON/Standby feature (like many of our other home
subwoofers)
The indicator is a white LED at the front of each loudspeaker
LED operation:
• Steady ON when the unit is powered up and receiving a signal (playing).
• LED’s slowly blink: STANDBY mode. (After approx.10 minutes of no signal)
• Mute function (press both volume buttons same time) the LED will be OFF. In
this state the speaker will not respond to an incoming signal (will not play
again unless it’s unmuted).
• Volume buttons/mute function (touch switch + and – buttons) in the MASTER
speaker above the woofer.
• The optional sub out jack is a 3.5mm stereo plug; this is a full range signal (not
low freq only, but intended only to be connected to powered subwoofers.)
• There is no main AC power switch
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GLA-55 PARTS LIST (RIGHT, ACTIVE) LOUDSPEAKER
Item # Part Number Description Qty
1 100-0092-001 HOUSING, LEFT SIDE, 1 EA
2 100-0093-001 HOUSING, RIGHT SIDE, 1 EA
120-0091-001 BAFFLE, RIGHT, HK GLA-55
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4 060-0308-001 ASY, PORT, 1 EA
5 050-0168-003B WOOFER, HERCULES ALUMINUM, 4 OHM, COSMETIC, 1 EA
6 050-0132-003B TWEETER, CMMD LITE, 4 OHM, COSMETIC, 1 EA
250-0155-001 BASE ENCLOSURE RIGHT, HK GLA-55
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250-0154-001 COVER, BASE ENCLOSURE RIGHT, HK GLA-55
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10 190-0376-001 TRIM, TWEETER, 1 EA
11 190-0528-001 COVER, HERCULES, 1 EA
12 250-0143-001 COVER, CMMD TWEETER, ZINC, 1 EA
13 400-0190-001 PCBA, MAIN, RIGHT SATELLITE, 1 EA
190-0377-001 TRIM, VOLUME BUTTON, HK CRYSTAL
14
190-0378-002 VOLUME BUTTON, PLUS, CHROME, HK CRYSTAL
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190-0379-002 VOLUME BUTTON, MINUS, CHROME, HK CRYSTAL
16
250-0227-001 BEZEL, HERCULES, RIGHT,ZINC, HK GLA-55
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18 500-0312-001 ASY, CABLE, VOLUME, PLUS, RIGHT, CHROME, 1 EA
19 500-0313-001 ASY, CABLE, VOLUME, MINUS, RIGHT, CHROME, 1 EA
20 500-0314-001 ASY, CABLE, TWEETER, PLUS, RIGHT, CHROME 1 EA
21
500-0315-001 ASY, CABLE, TWEETER, MINUS, RIGHT, CHROME 1 EA
22
500-0316-001 ASY, CABLE, HERCULES, TOP, CHROME 1 EA
23
500-0317-001 ASY, CABLE, HERCULES, BOTTOM, CHROME 1 EA
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830-0030-001 WASHER, RUBBER, 1.2MMTHICK 2 EA
25 180-0068-001 FOOT, SIDE, 2.0MM THICK, PMS COOL GRAY 11, 2 EA
26 180-0069-001 FOOT, FRONT, 1.5MM THICK, COLOR: PMS COOL GRAY 11, 1 EA
27 180-0070-001 FOOT, REAR, 2.0MM THICK, COLOR: PMS COOL GRAY 11, 1 EA
190-0380-001 LIGHT PIPE, RIGHT SPEAKER, HK GLA-55
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190-0533-001 GROMMET,3HOLES,RIGHT SPEAKER,HK GLA-55!
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30 190-0554-001 SEAL, PORT TO BAFFLE, 1 EA
31 190-0558-001 SEAL, RUBBER, VOLUME BUTTON TO BAFFLE, RIGHT 2 EA
32 190-0558-001 SEAL, RUBBER PAD, BAFFLE TO HOUSING, 1 EA
400-0263-001 PCB, DAUGHTER, HK GLA-55, RIGHT SAT
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34 800-0048-001 SCREW, MACHINE, M3 X 10MM, PAN HEAD PHILLIPS, ZINC 4 EA
35 800-0048-009 SCREW, MACHINE, M3 X 5MM, PAN HEAD PHILLIPS, ZINC 3 EA
36 800-0149-001
37 800-0150-001
38 800-0151-003
39 800-0152-003
40 800-0155-003
41 800-0156-001
42 820-0016-001
43 820-0016-002
44 820-0016-003
45 820-0016-004
46 820-0016-005
SCREW, FLAT HEAD, SELF TAPPING, BRIGHT ZINC PLATE,
4MMX12MM
SCREW, MACHINE, M2.5 X 7.,5MM, FLAT HEAD, PHILLIPS DRIVE,
ZINC
SCREW, MACHINE, M2.5 X 4.0 MM LONG, SOCKET HEAD CAP,
STEEL, BRIGHT NICKEL PLATE
SCREW, LG PAN HEAD, SELF TAPPING, BRIGHT ZINC PLATE, TORX
DRIVE,TWO START, 3MM DIA. X 8MM LONG
SCREW, MACHINE, M4 X 7MM, CAP HEAD SPANNER, STEEL,
BRIGHT CHROME PLATE
SCREW, MACHINE, M3X6MM LONG, PAN HEAD, PHILLIPS, SPRING
LOCK WASHER, ZINC
BOLT, MACHINE, M4 X 10.00 INTERNAL THREAD, CAP HEAD
SPANNER, STEEL, BRIGHT CHROME PLATE
BOLT, MACHINE, M4 X 22.70 INTERNAL THREAD, CAP HEAD
SPANNER, STEEL, BRIGHT CHROME PLATE
BOLT, MACHINE, M4 X 21.00 INTERNAL THREAD, CAP HEAD
SPANNER, STEEL, BRIGHT CHROME PLATE
BOLT, MACHINE, M4 X 20.30 INTERNAL THREAD, CAP HEAD
SPANNER, STEEL, BRIGHT CHROME PLATE
BOLT, MACHINE, M4 X 7.00 INTERNAL THREAD, CAP HEAD
SPANNER, STEEL, BRIGHT CHROME PLATE
1EA
1EA
1EA
1EA
1EA
1EA
1EA
1EA
2EA
1EA
4EA
3EA
2EA
1EA
4EA
10 EA
1EA
1EA
1EA
1EA
1EA
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