Sharp XL-3000V service manual Schematic Diagram 8/10

Page 33

XL-3000V

											LCD701
										LCD DISPLAY
9	10	11	12	13	14		15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30		31	32		33	34	35	36	37	38
																				2.5V
	2.5V	2.5V	2.5V	2.5V	2.5V	2.5V		2.5V	2.5V	2.5V	2.5V	2.5V	2.5V	2.5V	2.5V	2.5V	2.5V	2.5V	2.5V	SEG23	SEG24 2.5V		2.5V
6	95	94	93	92	91		90	89	88	87	86	85	84	83	82	81	80	79	78	77	76		2.5V
SEG4	SEG5	SEG6	SEG7	SEG8	SEG9		SEG10	SEG11	SEG12	SEG13	SEG14	SEG15	SEG16	SEG17	SEG18	SEG19	SEG20	SEG21	SEG22	SEG26			74	2.5V
																				SEG25			75
																				SEG27			73	2.5V
																				SEG28			72	2.5V
																				SEG29			71	2.5V
																				SEG30			70	2.5V
																				SEG30			70	2.5V
																				SEG31			69	2.5V													A1(2/2)
																				SEG33			67	2.5V													A1(2/2)
																				SEG32			68	2.5V
																								4.9V													-
																							66	4.9V													PWB
																							65	5V									CNW702		CNS702		PWB
									IC701														64	5V									CLID_DW	1	10	TO	MAIN
									IC701														63	5V									CLID_PRO	2	9	TO	MAIN
								IX0038SJ																									CLID_UP
								IX0038SJ															62	5V									CLID_SW	3	8		CNP702	1P28-B,C
																			CD_RES				59	4.9V									LIGHT	7	4		CNP702	1P28-B,C
		SYSTEM MICROCOMPUTER/																					61	5V									FAN	4	7
		SYSTEM MICROCOMPUTER/																					61	5V									FAN	5	6
							FL DRIVER												CD_STB				60	4.9V				R766 1K			CD_STB		CD_STB	6	5
																																	AMP_DEC
																				PU–IN			58	4.9V									DIMMER	8	3
																			CLID_DW				57	0V				R769 1K			CLID_DW		FAN_DEC	9	2
																								0V				R769 1K			CLID_DW			10	1

																												R770 1K			CLID_UP
																								4.9V
																			CLID_UP				56	4.9V
																					FAN		55	0V								R771
																					FAN		55	4.72V				R772 1K				1K
																																1K
																			DIMMER				54
ACK	BUSY	RESET		CE	CLIDOUT			POWER	SYSSTOP	REMOCON	STB			SURR	P–STB	P–MUTE	CD+B	P–CONT		LIGHT			53	4.76V				R773 1K									PWB-D
ACK	BUSY	RESET		CE	CLIDOUT			POWER	SYSSTOP	REMOCON	STB			SURR	P–STB	P–MUTE	CD+B	P–CONT		STEREO	SD		B-LIGHT				R785										PWB-D
																							52	4.8V		AMP_DEC
																							51	4.8V								R768
	0V	5V		4.9V			0V	5V		4.9V		4.9V	4.9V	4.8V	4.8V	4.8V	4.8V	4.8V					51	4.8V								1K			CNS704		VIDEO
	0V	5V		4.9V			0V	5V		4.9V		4.9V	4.9V	4.8V	4.8V	4.8V	4.8V	4.8V									1K								1		VIDEO
0	31	32	33	34	35		36	37	38	39	40	41	42	43	44	45	46	47	48	49	50						1K						VD_DI		1
0	31	32	33	34	35		36	37	38	39	40	41	42	43	44	45	46	47	48	49	50												VD_DI	1	2
R7631K		R7601K	4.9VR741 1K		0V R765		1K	1K	1KR7505V	1KR751	5V R764 1K		R755	1K	1KR742	1KR757	1KR758	1KR759	4.9V	1KR7770V	0V R776		1K										VD_DO	1	2	TO CNP804V		C-12P35
R7631K		R7601K	4.9VR741 1K		0V R765		1K	1K	1KR7505V	1KR751	5V R764 1K		R755	1K	1KR742	1KR757	1KR758	1KR759	4.9V	1KR7770V	0V R776		1K										VD_DO	2	3	TO CNP804V		C-12P35
							R749																										ACK	2	3
							R749																										ACK	3	4
																																	BUSY	3	4
																																	BUSY	4	5
																																	CLID_OUT	4	5
																																	CLID_OUT	5	6
																																	GND	5	6
																																	GND	6	7
																							STB										STB	6	7
																							STB										STB	7
																																		7
											P_CONT																						CNW704
											P_CONT																										A1(1/2)
																							STEREO										STEREO	2	2		A1(1/2)
																																	SD		CNS703
																								SD									SD	1	1
																																		1	1
																																	DO				-
																																	DO	4	4		PWB
																																	CL	3	3
																																	CL
																							CLID_OUT										CE	5	5		MAIN
																																	DI	5	5		MAIN
																							BUSY										DI	6	6	TO CNP703		P26,276,7,8-A
																																	CD+B	6	6
																		+B					CD+B									+B	CD+B	7	7
																							VD_DI										D_GND	7	7
																							P_MUTE										P_MUTE	8	8
																							P_STB										P_STB	9	9
																							ACK										A_24V	10	10
																																		10	10
																							VD_DO											11	11
																							VD_DO										SURROUND	12	12
																																		12	12
																								CE									5V	13	13
																								CL										13	13
																								CL									CNW703A
																								DO									CNW703A
																								DO
																								DI
																																	+B
																							CLID_SW
																							B-LIGHT
																					SURROUND
																																	+B
					7												8												9			10	11		12

Figure 33 SCHEMATIC DIAGRAM (8/10)

– 33 –

Image 33

Contents Model XL-3000V ContentsVoltage Selection AC Power Cord and Plug AdaptorSpecifications Front panel Names of PartsDisplay Rear panelRemote control Setting the Clock System Connections Setting the AC voltage selector Connecting the AC power lead Listening to a CD LED PWB DisassemblyPWB How to remove the CD lid See Fig Removing and Reinstalling the Main PartsPerform steps 1,2 and 7 of the disassembly method to remove CD Mechanism Section See FigSetting the Test Mode AdjustmentFM Detection FM Mute LevelBEX IC15VTest Video CD Video PWB-DChecking of vector scope waveform Disc Checking SettingChecking the black-and-white level Video OUTTurning on the test mode Tuner Test Mode Test Outline of tuner radio test modeDetails of tuner test mode Electronic volume Test Mode Test Timer test Mode TestLCD Test Mode Test Key input diagnosis Test Mode Test CD PLAY/PAUSE/TUNING UP ON-OFF FF/PRESET UP ON-OFFVolume UP ON-OFF Volume Down ON-OFFCD Motor PWB Switch PWBFOCUS/TRACKING SPIN/SLED DriverRminal Power PWB-BMain PWB PWBLamp PWB Display PWBTuner PWB IC15V IC10VVideo CD Decoder IC16VIC11V Buffer AMPVideo CD Encoder From Terminal PWB-A4Video PWB-D Tuner PWB-A2 CNS7 FromCD Signal Video SignalFM Signal VolumeSERVO/SIGNAL Control CD LID Motor Driver CD Motor PWB-CSchematic Diagram 5/10 Tuner PWB-A2 AM Signal FM SignalMain PWB-A11/2 CNP307Display PWB-A3 Lamp PWB-A7System Schematic Diagram 8/10 IC10V Video PWB-DROM 256Kx16 Video CD DecoderCD Signal Video SignalXL-3000V Buffer AMPTo 15 are waveform numbers shown Assis MERFrom Display PWB-A3 SpindleAntenna OhmsTo Main PWB-A1 To Main To VideoPink Video PWB-D Bottom View Video PWB-D TOP ViewIC14V IC16VWaveforms of CD Circuit Troubleshooting When the CD does not functionParts Code UDSKA0004AFZZ Failure HF ErrorSled Motor Operating FailureFocus failure Laser failureFocus servo sawtooth wave failure Spindle motor clv servo failureDMO No sound HF errorTEI Tezi RFITrack search failure Sled motor operation failureSled servo failure IC401 VHiLC75342M-1 Function/Volume Equalizer LC75342M Function Table of ICPin No Port Name Function Test VSS Pin No Terminal Name Input/Output Function SEG25-SEG0 IC701 RH-iX0038SJZZ System Microcomputer/FL driver IX0038SJIC801 VHiTA2109F/-1Servo Pre Amp. TA2109F IC802 VHiTC9462F/-1 Servo/Signal Control TC9462F 1/3 Uhso HSOPin No Port Name Input/Output Function IC802 VHiTC9462F/-1 Servo/Signal Control TC9462F 2/3 IC802 VHiTC9462F/-1 Servo/Signal Control TC9462F IC802 VHiTC9462F/-1 Servo/Signal Control TC9462F 3/3CH1-OUT-B CH1-OUT-ACH1-IN-A CH1-IN-BIC14V VHiES3883F/-1 Video CD Encoder ES3883F 1/2 IC14V VHiES3883F/-1 Video CD Encoder ES3883F 2/2 IC16V RH-iX0025SJZZ D-RAM 256Kx16 IX0025SJ ICV14 VHiES3883F/-1 Video CD Encoder ES3883FIC15V VHiES3880F/-1 Video CD Decoder ES3880F Aclk AOUT/SELPLL0 Atclk ES3880FMemory LCD701 RV-LX0012SJZZ LCD DisplayFor U.S.A. only IC11V VHINJM4565M-1 IC10V RH-IX0041SJZZIC14V IC15VVCKYPA1HF223Z VCKYPA1HB102KRC-GZA227AF1C RC-GZW228AF1VVCKYCY1EB104K RC-EZD107AF1ARC-GZA227AF1A VCKYCY1EB563KR393VRS-CY1JB102J R395VRD-ST2CD473J R358VRS-CY1JB822J R359VRS-CY1JB182J R360VRS-CY1JB472JR607VRS-CY1JB682J R621VRS-CY1JB223JQCNCM037ESJZZ QCNCM998DAFZZCNP801V QCNCW010MSJZZ QCNCW007RSJZZCPNLS1006SJ01 LX-WZ9006SJZZTSPC-0221SJZZ HSY042SPK07302 PWB-A5 PWB-A6PWB-A7 PWB-A3 PWB-A8Copyright 2001 by Sharp Corporation