Sony CDX-GT500EE, CDX-GT50W, CDX-GT550 service manual IC450 BA8271F-E2 Main Board 2/3

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CDX-GT50W/GT500/GT500EE/GT550

	IC150 TDA8588AJ/N2/R1 (MAIN Board (1/3))
TAB	1
				2	SDA
OUT FL-	3			I2C BUS
		FL		4	SCL
		FL
OUT FL+	5			6
				6	VP2
OUT RL-	7
	9	RL		8	PGND3
OUT RL+	9
INRL 11			MUTE	10	SVR
INRL 11
				12	INFL
				12	INFL
SGND 13		PROTECTION
		PROTECTION
		DIAGNOSTIC	MUTE	14	INFR
INRR	15		MUTE
INRR	15
				16	AC GND
OUT RR+ 17				VP
OUT RR+ 17
		RR		18	PGND2
OUT RR- 19
OUT FR+ 21				20	VP1
OUT FR+ 21
		FR	STANDBY	22	STB
		FR	MUTE	22	STB
OUT FR- 23			MUTE
OUT FR- 23
		CHIP DETECT		24	PGND1
		DIAGNOSTIC		24	PGND1
DIAG	25		TEMPERATURE	ENABLE
DIAG	25		PROTECTION	ENABLE
				LOGIC
				26	RST
SW2(ANT REM) 27		SWITCH
				28	CRES
SW1(ANT REM) 29		SWITCH
				30	REG1(AUDIO +B)
REG3(SERVO) 31			REGULATOR	32	GND(REG)
				32	GND(REG)
REG4(DR+B) 33
VP(REG) 35				34	REG5(ILL)
VP(REG) 35
		REFERENCE		36	CBU
		VOLTAGE		36	CBU
		VOLTAGE
REG2(BU 5V) 37			LOADDUMP	BACK-UP
REG2(BU 5V) 37		REGULATOR	PROTECTION	SWITCH

		IC450 BA8271F-E2 (MAIN Board (2/3))
	BUS ON	1	BUS ON	14	VCC
	BUS ON	1	SWITCH
			SWITCH
	RST	2	RESET	13	RESET
	RST	2	SWITCH	13	RESET
			SWITCH	12	BUS ON
				12	BUS ON
			BATTERY	11	CLK IN
	BATT	3	BATTERY	10	BU IN
	BATT	3	SWITCH	10	BU IN
			SWITCH
	CLK	4
	VREF	5
	DATA 6			9	DATA IN
	GND	7		8	DATA OUT

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Contents Specifications Ver .0 2005Service Notes CDX-GT50W/GT500/GT500EE/GT550Unleaded Solder Lead Free MarkDiagrams Table of Contents GeneralDisassembly Exploded ViewsCDX-GT50W/GT500 US, Canadian Model CDX-GT500 AEP, UK ModelCDX-GT500EE CDX-GT550Connections RemoteConnection diagram To AMP Remote in of an optional power amplifier Diagrama de conexión Section Disassembly SUB FL Panel Assy CD Mechanism BlockMain Board Chassis T SUB AssyRoller ARM Assy Chassis OP AssyOptical PICK-UP SL Motor Assy M902LE Motor Assy M903 Servo BoardSection Diagrams Block Diagram CD SectionBlock Diagram Main Section Block Diagram Display Section DISP+3.3VKEY Board WaveformsServo Board CD Play Circuit Boards LocationIC1 IC2 IC3 IC6 FMA6FB3 IC B/D Semiconductor Location Side BCDX-GT50W/GT500/GT500EE/GT550 IC B/D IC B/D R735 FMA4 Schematic Diagram SUB Section SUB Board CN801 Schematic Diagram KEY Section Refer to page 20 for Waveforms IC Block Diagrams IC1 BA5968FP-E2 Servo Board 2/2IC450 BA8271F-E2 Main Board 2/3 IC401 TDA7419TR Main Board 1/3 IC Pin Descriptions Mecon CHK Cdon CHKIC711 MB90487APF-G-162E1 System Control Main Board 3/3 RDS onNCO Reset NCOBuin SircsCAP Main SectionExcept AEP,UK,EE Fuse Blade Type Auto Fuse 10APanel SV ASSY, Front GT50W Front Panel SectionPanel SV ASSY, Front GT550 FL900 1-519-842-11 Vacuum Fluorescent Display103 106 107 101 104 105 108 CD Mechanism MG-611WA-186//Q108 A-1132-412-A Servo BOARD, Complete 153 CD Mechanism MG-611WA-186//Q 155 156 157 154152 151 206 202 207 209 208 210203 211 204 205 CD Mechanism MG-611WA-186//Q 254 255 252 258 256 251253 257 KEY SWITCH, Tactile with LED Dspl SwitchSWITCH, Tactile with LED OFF SWITCH, Tactile with LED SensSWITCH, Tactile 3/REP SWITCH, Tactile DSOSWITCH, Tactile EQ3 SWITCH, TactileMain ElectPLUG, Connector BUS Control PIN, Connector 16PPLUG, Connector 3P AEP,UKDiode UDZW-TE17-6.2B Diode BAT54CLT1GDiode UDZW-TE17-5.6B Diode UDZW-TE17-9.1BDescription Remark R204 216-825-11 Transformer SWITCH, Tactile ResetAEP,UK,E,CH,MX VibratorSensor Servo Miscellaneous Short Chip Switch SW1Servo SUB Optical PICK-UP KSS1000E/K1RP301 302 303 304 305 307 306 308 309 310 Memo Revision History