Service Manuals, User Guides, Schematic Diagrams or docs for : LG DVD 2200N 2200N
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CIRCUIT DIAGRAM IMPORTANT SAFETY NOTICE
WHEN SERVICING THIS CHASSIS, UNDER NO CIR-
NAL CIRCUIT SPECIAL COMPONTS ARE SHADED ON NOTE :
THE SCHEMATIC FOR EASY IDENTIFICATION.
THIS CIRCUIT DIAGRAM MAY OCCASIONALLY DIF-
1. Shaded( ) parts are critical for safety. Replace only
with specified part number.
CUMSTANCES SHOULD THE ORIGINAL DESIGN BE
1. POWER(SMPS) CIRCUIT DIAGRAM MODIFIED OR ALTETED WITHOUT PERMISSION
FER FROM THE ACTUAL CIRCUIT USED. THIS WAY,
IMPLEMENTATION OF THE LATEST SAFETY AND
2. Voltages are DC-measured with a digital voltmeter
during Play mode.
FROM THE ZENITH ELECTRONICS CORPORATION PERFORMANCE IMPROVEMENT CHANGES INTO
ALL COMPONENTS SHOULD BE REPLACED ONLY THE SET IS NOT DELAYED UNTIL THE NEW SERVICE
WITH TYPES IDENTICAL TO THOSE IN THE ORIGI- LITERATURE IS PRINTED.
IC902 is defective. Q908, R928, D913 and Q909 are defective.
8V Power Line dead. 5V Power Line dead.
IC903 PIN3 (AC110V, PLAY) IC901 PIN3 (AC110V, STAND-BY)
Q901 and Q902 are defective.
FLD(+), FLD(-) are dead.
IC901 is defective. C927, R918, R922 and
Q903, Q904 are defective.
Power dead. IC905 are defective.
Power control is abnormal.
Power dead.
NOTES) Warning
NOTES) Parts that are shaded are critical
NOTES) With respect to risk of fire or
NOTES) electricial shock.
3-18 3-19
2. RF & DVD DSP CIRCUIT DIAGRAM IC209 is defective
AD Converter Error
Q202 is defective. IC204 is defective
DVD LD will not be on. being slipped during search.
TZC Mirr.
Generator
AD Ref.
Voltage Gen
RF/TE/FE Signal
generation
Q203 is defective
CD LD will not be on
Digital Servo DSP/ CD Decoder
Spindle Low
Pass Filter
DRAM
3.3V Regulator
IC219 is defective
Servo will not operate
IC403 is defective
No Spindle Full Speed
T.E R.F FOCUS LOOP SPINDLE LOOP
F.E TRACKING LOOP SLED LOOP
3-20 3-21
3. DRIVE CIRCUIT DIAGRAM
SPINDLE
MOTOR DRIVE
SPINDLE FOCUS
TRACKING SLIED
DOOR
3-22 3-23
4. MPEG & ENCODER CIRCUIT DIAGRAM
2
4 6 7 8 9 10 11 12
1 3 13
No power on
3.3V Reg.
5
No power on
No power on
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