©
1998 Bose Corporation
®
Part Number 181812-S7 Rev. 00
Supplement
FreeSpace
360 Surface and In-ground
Loudspeaker EQ Cards
Страница 1: ... 1998 Bose Corporation Part Number 181812 S7 Rev 00 Supplement FreeSpace 360 Surface and In ground Loudspeaker EQ Cards ...
Страница 2: ... 4 FreeSpace 360 EQ Card Packing View 11 Figure 5 FreeSpace 360 Equalizer Board Topside and Etch Layout Diagram 12 Figure 6 FreeSpace 360 Equalizer Board SMD and Etch Layout Diagram 12 CAUTION The FreeSpace 360 Equalizer Cards contain no user serviceable parts To prevent warranty infractions refer servicing to warranty service centers or factory service PROPRIETARY INFORMATION THIS DOCUMENT CONTAI...
Страница 3: ... the edges only Transport or store ESDS devices in ESD protective bags bins or totes Do not insert unprotected devices into materials such as plastic polystyrene foam clear plastic bags bubble wrap or plastic trays SUPPLEMENT DESCRIPTION This supplement should be used along with the 1800V EQ PCB service manual part number 181812 S2 The disassembly assembly procedures and packing part list should b...
Страница 4: ...rised of U5 B4 7 U4 A B3 provides equalization for the FreeSpace 360 loudspeaker in hard ground installa tions In the case of the FreeSpace Surface EQ card the bottom leg of the equalizer card is not used The operation of all three equalizers is similar Considering the bass equalizer we see U2 B s D7 output passed through R8 D7 and into the non inverting input of U2 A D2 This input is extended as ...
Страница 5: ...EQUALIZER CARD CURVE DIAGRAMS Figure 1 FreeSpace 360 Surface EQ Curve Figure 2 FreeSpace 360 In Ground Soft Ground EQ Curve Figure 3 FreeSpace 360 In Ground Hard Ground EQ Curve 5 ...
Страница 6: ...position Place switch S2 to the FULL BANDWIDTH position 3 The input voltage shall be the actual input voltage present at the input not the open circuit generator input Note Place the Hard Soft switch S1 to the SOFT position for the following tests 1 In Soft Ground Equalizer PCB Frequency Response Test 1 1 Apply a 100 mVrms 1kHz signal to the input jack of the amplifier channel under test 1 2 Adjus...
Страница 7: ...service manual supplement part number 181812 S2 for more information 2 On the amplifier Input Module place switch SW1 to the NORM position Place switch S2 to the FULL BANDWIDTH position 3 The input voltage shall be the actual input voltage present at the input not the open circuit generator input 1 Surface Equalizer PCB Frequency Response Test 1 1 Apply a 100 mVrms 1kHz signal to the input jack of...
Страница 8: ...the PCBs are listed in the Electrical Part List 3 This part is critical for safety purposes Failure to use a substitute replacement with the same safety characteristics as the recommended replacement part might create shock fire and or other hazards 4 These parts are used on the FreeSpace 360 in ground EQ card only 5 These parts are used on the FreeSpace 360 Surface EQ card only ...
Страница 9: ... 85 100V 5 137127 562 4 C50 61 0033uF BOX 85 100V 5 137127 332 5 Reference Designator Description Part Number Note R1 2 00KΩ CHIP 0805 1 133625 2001 R2 5 12 17 18 24 26 28 30 59 64 83 89 JUMPER CHIP 0805 133627 4 R2 5 12 17 18 23 26 59 64 JUMPER CHIP 0805 133627 5 R3 18 2KΩ CHIP 0805 1 133625 1822 R4 1 50KΩ 0805 1 10W 1 133625 1501 5 R4 2 21KΩ CHIP 0805 1 10W 1 133625 2211 4 R8 21 200KΩ 0805 1 10W...
Страница 10: ...127 822 5 C55 0027uF BOX 85 100V 5 137127 272 5 C56 86 330pF MONO COG 50V 5 140564 331 4 C59 560pF MONO COG 50V 5 140564 561 C59 89 560pF MONO COG 50V 5 140564 561 4 C60 90 0047uF BOX 85 100V 5 137127 472 4 C61 91 0033uF BOX 85 100V 5 137127 332 4 C62 92 68pF 0805 COG 50V 5 133622 680 5 C80 0082uF BOX 85 100V 5 137127 822 4 C83 220pF MONO 5 140564 221 4 C84 0022uF BOX 85 100V 5 137127 222 4 C85 82...
Страница 11: ...EQ CARDS PER CARTON 1 2 3 4 5 Item Number Description Part Number Qty Note 1 OWNER S GUIDE INST EQ CARDS PRO 191912 1 2 PCB ASSY FS 360 SURFACE EQ CARD 196380 1 2 PCB ASSY FS 360 IN GROUND EQ CARD 196384 1 3 BAG ANTISTATIC 4 X 7 5 177761 1 4 TUBE PACKING ROUND PLUG SEAL 184177 1 5 CARTON RSC 9 63 X 7 88 X 6 63 178853 1 ...
Страница 12: ...Figure 5 FreeSpace 360 Equalizer Board Topside and Etch Layout Diagram Figure 6 FreeSpace 360 Equalizer Board SMD and Etch Layout Diagram 12 ...
Страница 13: ...81812 S7 Rev 00 10 98 FOR TECHNICAL ASSISTANCE OR PART ORDERS CALL 1 800 367 4008 Bose Corporation The Mountain Framingham Massachusetts USA 01701 SPECIFICATIONS AND FEATURES SUBJECT TO CHANGE WITHOUT NOTICE ...
