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Sony HCD-XG500 Service Manual - Page 5

Servicing Notes, Notes, Handling, Optical, Pick-up, Block, Notes On Laser Diode Emission Check, Laser

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SECTION 1 SERVICING NOTES HCD-XG60/XG500 NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT The laser diode in the optical pick-up block may suffer electrostatic break-down because of the potential difference generated by the charged electrostatic load, etc. on clothing and the human body. During repair, pay attention to electrostatic break-down and also use the procedure in the printed matter which is included in the repair parts. The flexible board is easily damaged and should be handled with care. • MODEL IDENTIFICATION - Rear Panel - PART No. NOTES ON LASER DIODE EMISSION CHECK The laser beam on this model is concentrated so as to be focused on the disc reflective surface by the objective lens in the optical pick-up block. Therefore, when checking the laser diode emission, observe from more than 30 cm away from the objective lens. LASER DIODE AND FOCUS SEARCH OPERATION CHECK Carry out the "S curve check" in "CD section adjustment" and check that the S curve waveforms is output three times. MODEL US model AEP and UK models 120 V AC area in E and Argentina models Singapore model Mexican model Saudi Arabia model Canadian model PART No. 4-232-087-0[] 4-232-087-1[] 4-232-087-2[] 4-232-087-3[] 4-232-087-4[] 4-232-087-5[] 4-232-087-6[] 5

Section	Page
COVER	1
TABLE OF CONTENTS	3
SERVICING NOTES	5
GENERAL	6
DISASSEMBLY	8
DISASSEMBLY FLOW	8
CASE	8
FRONT PANEL SECTION	9
COVER (TC), TAPE MECHANISM DECK (TCM-230PWR42)	9
MAIN BOARD, FAN, D.C. (M901) (EXCEPT AEP, UK MODELS)	10
MAIN BOARD (AEP, UK MODELS)	10
CD MECHANISM DECK (CDM37M-5BD32L)	11
BASE UNIT (BU-5BD32L)	12
DISC TABLE	12
TEST MODE	13
MECHANICAL ADJUSTMENTS	15
ELECTRICAL ADJUSTMENTS	15
DECK SECTION	15
CD SECTION	18
DIAGRAMS	19
BLOCK DIAGRAM – CD SERVO Section –	19
BLOCK DIAGRAM – TUNER/TAPE DECK Section –	20
BLOCK DIAGRAM – MAIN Section –	21
BLOCK DIAGRAM – DISPLAY/KEY CONTROL/POWER SUPPLY Section –	22
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS	23
PRINTED WIRING BOARD – BD Board –	24
SCHEMATIC DIAGRAM – BD Board –	25
PRINTED WIRING BOARDS – CD MOTOR Section –	26
SCHEMATIC DIAGRAM – CD MOTOR Section –	27
PRINTED WIRING BOARD – AUDIO Board –	28
SCHEMATIC DIAGRAM – AUDIO Board –	29
PRINTED WIRING BOARD – LEAF SW Board –	30
SCHEMATIC DIAGRAM – LEAF SW Board –	30
SCHEMATIC DIAGRAM – MAIN Board (1/3) –	31
SCHEMATIC DIAGRAM – MAIN Board (2/3) –	32
SCHEMATIC DIAGRAM – MAIN Board (3/3) –	33
PRINTED WIRING BOARD – MAIN Board –	34
Waveforms	35
PRINTED WIRING BOARD – PA Board –	36
SCHEMATIC DIAGRAM – PA Board –	37
PRINTED WIRING BOARDS – MIC/FRONT INPUT/HEADPHONES Boards –	38
SCHEMATIC DIAGRAM – MIC/FRONT INPUT/HEADPHONES Boards –	39
PRINTED WIRING BOARD – PANEL FL Board –	40
SCHEMATIC DIAGRAM – PANEL FL Board –	41
PRINTED WIRING BOARD – PANEL VR/ILLUMINATION Boards –	42
SCHEMATIC DIAGRAM – PANEL VR/ILLUMINATION Boards –	43
PRINTED WIRING BOARDS – TC-A/TC-B/CD-L/CD-R (1)/CD-R (2) Boards –	44
SCHEMATIC DIAGRAM – TC-A/TC-B/CD-L/CD-R (1)/CD-R (2) Boards –	45
PRINTED WIRING BOARDS – TRANSFORMER Section–	46
SCHEMATIC DIAGRAM – TRANSFORMER Section –	46
IC Block Diagrams	47
IC PIN FUNCTION DESCRIPTION	50
EXPLODED VIEWS	55
CASE, BACK PANEL SECTION	55
FRONT PANEL SECTION-1	56
FRONT PANEL SECTION-2	57
CHASSIS SECTION	58
TAPE MECHANISM DECK SECTION-1 (TCM-230PWR42)	59
TAPE MECHANISM DECK SECTION-2 (TCM-230PWR42)	60
CD MECHANISM DECK SECTION (CDM37M-5BD32L)	61
BASE UNIT SECTION (BU-5BD32L)	62
ELECTRICAL PARTS LIST	63
AUDIO	63
BD	64
CD MOTOR	65
CD-L	65
CD-R (1)	65
CD-R (2)	66
FRONT INPUT	66
HEADPHONES	66
ILLUMINATION	66
LEAF SW	66
LED	67
MAIN	67
MIC	72
PA	72
PANEL FL	75
PANEL VR	76
SUB TRANS	77
TABLE SENSOR	77
TC-A	78
TC-B	78
TRANS	78