Harman Kardon GLA-55 Service Manual
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Harman Kardon GLA-55 Service Manual

Two-piece 2.0 multimedia speaker system
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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

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Summary of Contents for Harman Kardon GLA-55

  • Page 1 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...
  • Page 2 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)
  • Page 3 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.
  • Page 4 Part Number Description 900-0478-001 GIFT BOX, HK CRYSTAL AC SUPPLY CORD NEEDED WITH 700-0072-001 950-0084-002 WARRANTY CARD; GENERIC HARMAN MULTIMEDIA 905-0032-001 FOAM, CUSHION, TOP, EPE, HK CRYSTAL AC PWR CORD US 500-0130-001 905-0033-001 FOAM, CUSHION, BOTTOM, EPE, HK CRYSTAL AC PWR CORD EU 500-0130-002 500-0368-001 CABLE, STEREO, 3.5MM, STRAIGHT ON ONE SIDE, RT ANGLE...
  • Page 5 GLA-55...
  • Page 6 GLA-55 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).
  • Page 7 GLA-55...
  • Page 8 GLA-55 GLA-55 PARTS LIST (RIGHT, ACTIVE) LOUDSPEAKER Item # Part Number Description 100-0092-001 HOUSING, LEFT SIDE, 100-0093-001 HOUSING, RIGHT SIDE, 120-0091-001 BAFFLE, RIGHT, HK GLA-55 060-0308-001 ASY, PORT, 050-0168-003B WOOFER, HERCULES ALUMINUM, 4 OHM, COSMETIC, 050-0132-003B TWEETER, CMMD LITE, 4 OHM, COSMETIC,...
  • Page 9 850-0351-001 PAD, ADHESIVE, TWEETER COVER, 850-0352-001 GASKET, COVER BASE, 850-0353-001 SPACER, CABLE SUPPORT, CLEAR SILICONE, 3 HOLES, RIGHT 850-0357-001 GASKET, CMMD TWEETER, 850-0367-001 RUBBER SEAL, SCREW BOSS, 850-0394-001 930-0066-001 INSULATION FILM, PCBA, GLA-55 850-0377-001 RUBBER SEAL, GASKET, BTWN HOUSING LEFT,RIGHT,HOUSING...
  • Page 10 GLA-55...
  • Page 11 GLA-55 GLA-55 PARTS LIST (LEFT, PASSIVE) LOUDSPEAKER Item # Part Number Description 100-0092-001 HOUSING, LEFT SIDE, 100-0093-001 HOUSING, RIGHT SIDE, 120-0089-001 BAFFLE, LEFT, HK GLA-55 060-0308-001 ASY, PORT, 050-0168-003B WOOFER, HERCULES ALUMINUM, 4 OHM, COSMETIC, 050-0132-003B TWEETER, CMMD LITE, 4 OHM, COSMETIC,...
  • Page 12 There a number of pads, gaskets, adhesive, and surfaces with double-sided tape on this product. Attention must be paid to these areas when the GLA-55 is disassembled. If these materials are damaged, removed, or disturbed, they must be replaced in their original location, or the air integrity of the product will be compromised and fidelity may suffer.
  • Page 13 (2) black two-hole grommets (#29 on the drawing/parts list) will need adhesive added to seat them, and to seal the buss wires threading through the holes; use silicon sealer or similar adherent. III GLA-55 disassembly Right, Master speaker (w/amplifier) 1) Support the loudspeaker with one half section of the packing foam with the base facing upwards.
  • Page 14 GLA-55 7) There are (6) connections that need to be desoldered (they appear as blobs of solder). Desolder and remove all excess solder with braided wick or a desoldering tool. 8) Remove the small circuit board; detach and watch for the small, loose “light pipe” that you do not lose it.
  • Page 15 GLA-55...
  • Page 16 GLA-55...
  • Page 17 GLA-55 The electronics in the GLA-55 should be replaced in its entirety with MAIN PCB part# 400-0190-001. Should this part become unavailable, the schematic and parts list are included for reference only. Individual components are not stocked. For assistance in...
  • Page 18 GLA-55 PCBA, RIGHT Assy-PCB SATELLITE, 400-0190-001 Reference Part Number Description Designator PCB, MAIN, RIGHT 410-0180-001 SATELLITE, GLA-55 RESISTOR, THICK R22, R57, R60, R68, 603-0001-003 FILM, 0603, 1/16W, Resistor 5%, 1.0K OHM RESISTOR, THICK 603-0001-004 FILM, 0603, 1/16W, R19, R20 Resistor 5%, 1.2K OHM...
  • Page 19 GLA-55 RESISTOR, THICK 603-0001-077 FILM, 0603, 1/16W, Resistor 5%, 1.5M OHM RESISTOR, THICK 603-0001-085 FILM, 0603, 1/16W, R91, R92 Resistor 5%, 3.0K OHM RESISTOR, THICK 603-0001-086 FILM, 0603, 1/16W, Resistor 5%, 330 OHM RESISTOR, THICK 603-0001-094 FILM, 0603, 1/16W,...
  • Page 20 GLA-55 RESISTOR, THICK 603-0015-017 FILM, 1210, 1/4W, 1%, Resistor 100 OHM RESISTOR, THICK 603-0015-018 FILM, 1210, 1/4W, 1%, R65, R66 Resistor 330 OHM RESISTOR, THICK 603-0015-019 FILM, 1210, 1/4W, 1%, Resistor 750 OHM RESISTOR, THICK 603- 603-0015-023 FILM, 1210, 1/4W, 1%,...
  • Page 21 GLA-55 CAPACITOR, CERAMIC, NPO, 612-0005-007 C2, C3, C21, C26 Capacitor 0805, 50V, ±5%, 330 CAPACITOR, C8, C12, C16, C23, CERAMIC, NPO, C28, C32, C52, C54, 612-0005-035 Capacitor 0805, 50V, ±5%, C55, C68, C75, C76, 1000PF C81, C88, C109 CAPACITOR,...
  • Page 22 40V 3.5A, ST518, PSSO36 (SLUG UP) AMPLIFIER, DUAL 670-0016-001 OPERATIONAL, U3, U4 Op-Amps BA4560, SMT PROGRAM, CPU, 8 BIT, FREESCALE 675-0050-001 Microprocessor MC9SO8GQ8CDTE, TSSOP16, GLA-55 CPU, 8 BIT, MC9S08QG8, 675-0016-001 Microprocessor FREESCALE, TSSOP16 ADC 24BIT 96KHZ, 680-0010-001 AKM AK5358 TSSOP16 DSP, MULTICHANNEL...
  • Page 23 GLA-55 LED, SMD, 0603, 685-0030-001 WHITE, BRIGHTEK LED1 LEDs S1A1608W1CA-2A-91 CRYSTAL, OSC, 12.288MHZ, 690-0015-001 ABRACON ASV- Crystals 12.288MHZ-E-J-S-T, AUDIO JACK, STEREO, 3.5MM, MK 730-0023-000 MININJACK/LGY6502- J4, J5 Connector 0600, BAI CHUAN HE/PJ314, BLACK CONNECTOR, DIN 6 730-0151-002 Connector PIN RIGHT ANGLE...
  • Page 24 GLA-55...
  • Page 25 MSS1260-103ML MSS1260-103ML harman/kardon 10uH 10uH +3_3VD GLA-55 u4p17 J1_P3 Low- Power Down C118 C118 High - Power On 0.1u 0.1u 0.1u 0.1u L Woofer 1210 1210 0603ESDA 0603ESDA PWRDN 1000p 1000p 0603 0603 GNDREF 0.1u 0.1u +3_3VD 0.1u 0.1u Output...
  • Page 26 +3_3VDU +3_3VDU GLA-55 +VRAW 0.1u 0.1u +3_3VDU CASE B CASE B 1N4148WS 1N4148WS 1.2K 1.2K 1.2K 1.2K 21.6K 21.6K DGND CON6A CON6A 150KHz 50% duty cycle SOD323 SOD323 2x3 0.1" header DGND PTA5/IRQ/TCLK/RESET PTA0/KBIP0/TPMCH0/ADP0/ACMP+ Vol_PWM Programming Header +3_3VDU Do Not Install...

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Gla-55/230

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