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Crown 460CSL Q42776-7Main Module Parts List D 7251-8Board, Interconnects, Misc, HEADER 5 PIN

Models: 460CSL

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HEADER 5 PIN

Power Base-1 & 460CSL Amplifier Service Manual

Q42776-7 Main Module Parts List (D 7251-8 Board)

INTERCONNECTS

J1		C 7593-4	HEADER 5 PIN
J2		C 4508-5	16 PIN SOCKET
J9		C 7527-2	HEADER 6 PIN
J10		C 7592-6	HEADER 4 PIN
J11		C 7526-4	HEADER 3 PIN
J100	J200	C 6777-4	PHONE JACK
J500	J800	D 6619-7	10" RIBBON ASSY
J600	J700	D 6620-5	6" RIBBON ASSY

MISC.

BOARD	D 7251-8
MOUNTS U1, U2:
(2)	C	1889-2	6-32 NUT

(2)C 2176-3 6-32 X .5 SCREW

(2)	C 5341-0	HEATSINK
(2)	C 5594-4	STAR WASHER

MOUNTS U104, U204:

(2)C 3450-1 14 PIN SOCKET COVERS FOR J100, J200:

(2)C 6778-2 Phone Jack Cover

STRAIN RELIEF:

(4)

C 1811-6

CABLE TIE

Note: To use this module in the PB-1, it is necessary to remove R187/287 and install level control pots (C 7409-3).

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Crown 460CSL service manual Q42776-7Main Module Parts List D 7251-8Board, Interconnects, Misc, HEADER 5 PIN

Contents

POWER BASE-1 & 460CSL POWER AMPLIFIERElkhart, IN U.S.A Elkhart, IN U.S.AAVIS Table of Contents WARRANTY IntroductionSCOPE CrownParts GENERAL INFORMATIONPART NUMBERING SYSTEMS STANDARD AND SPECIAL PARTSSpecifications POWERPERFORMANCE MECHANICALVoltage Conversion FEATURES TheoryOVERVIEW FRONT END OPERATIONError Amp TheoryVOLTAGE AMPLIFICATION Voltage TranslatorsGROUNDED BRIDGE TOPOLOGY TheoryHigh Side HS OUTPUT DEVICE EMULATION PROTECTION ODEP TheoryLow Side LS Theory Checkout Procedures TEST 2 OUTPUT BIAS ADJUSTMENTTEST 3 ODEP VOLTAGE ADJUSTMENT STANDARD INITIAL CONDITIONSTEST 4 AC POWER DRAW TEST 7 PHASE RESPONSETEST 12 OUTPUT POWER TEST 5 COMMON MODE REJECTIONTEST 16 SIGNAL TO NOISE RATIO POST TESTINGTEST 14 ODEP LIMITING TEST 15 LF PROTECTIONCheckout Procedures FANFORMER MECHANICAL ASSEMBLY FUSE BOARD ASSEMBLYLED ASSEMBLY Mechanical Non-ModulePartsOUTPUT ASSEMBLY ONE PER CHANNEL BACK PANEL ASSEMBLYCHASSIS FRONT ASSEMBLY Mechanical Non-ModulePartsMAIN CHASSIS ASSEMBLY Mechanical Non-ModulePartsModule Information MODULE HISTORYOUTPUT MODULES MAIN MODULESQ42576-1Output Module Parts List P10137-1Board CAPACITORSDIODES INDUCTORSQ42661-1Output Module Parts List P10137-1Board CAPACITORSDIODES INDUCTORSQ42718-9Output Module Parts List P10233-8Board CAPACITORSDIODES INDUCTORSQ42885-6Output Module Parts List P10305-4Board CAPACITORSDIODES INDUCTORSQ42967-2Output Module Parts List P10341-9Board CAPACITORSDIODES INDUCTORSQ43200-7Output Module Parts List P10397-1Board CAPACITORSDIODES INDUCTORSQ42552A0 Main Module Parts List D 6304B2 Board NETWORK RESISTORSCAPACITORS DIODESSWITCHES IC’SQ42552A0 Main Module Parts List D 6304B2 Board MISCQ42664-5Main Module Parts List D 6910-0Board CAPACITORSDIODES NETWORK RESISTORSQ42664-5Main Module Parts List D 6910-0Board SWITCHESIC’S MISCQ42682-7Main Module Parts List D 6910-0Board CAPACITORSDIODES NETWORK RESISTORSINTERCONNECTS Q42682-7Main Module Parts List D 6910-0BoardSWITCHES RESISTORSQ42682-7Main Module Parts List D 6910-0Board MISCBOARD Q42776-7Main Module Parts List D 7251-8Board CAPACITORSDIODES NETWORK RESISTORSQ42776-7Main Module Parts List D 7251-8Board SWITCHESRESISTORS IC’SQ42776-7Main Module Parts List D 7251-8Board INTERCONNECTSMISC HEADER 5 PINQ42953-2Main Module Parts List D 7251-8Board CAPACITORSDIODES TRANSISTORSQ42953-2Main Module Parts List D 7251-8Board SWITCHESRESISTORS IC’SQ42953-2Main Module Parts List D 7251-8Board MISCBoard Q43060-5Main Module Parts List D 7993-5Board CAPACITORSDIODES TRANSISTORSQ43060-5Main Module Parts List D 7993-5Board RESISTORSQ119 Q43060-5Main Module Parts List D 7993-5Board SWITCHESIC’S MISC