A
1
2
3
4
5
6
7
8
9
10
11
12
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
SMPS
EBY61089401, REV7.3
2011.02.24
Warning
Parts that are shaded are critical with
respect to risk of fire or electrical shock.
No Power
BD901 is Defective
S/W Error
IC901, IC902 are Defective
AMP output No Power
D908 is Defective
No Power
D904 is Defective
FLD No Power
D927 is Defective
Vkk No Power
D926 is Defective
6VA No Power
D924 is Defective
3.8VA No Power
D922, D923 are Defective
14VA No Power
D925 is Defective
12V No Power
IC951 is Defective
No AMP Power
Q910, PC902,Q914 are Defective
Switching Error
PC901, IC903 are Defective
Switching Error
PC903, IC904 are Defective
No Power
F901 is Defective
2-128
2-127
CIRCUIT DIAGRAMS
1. SMPS CIRCUIT DIAGRAM
IMPORTANT SAFETY NOTICE
WHEN SERVICING THIS CHASSIS, UNDER NO
CIRCUMSTANCES SHOULD THE ORIGINAL DESIGN
BE MODIFIED OR ALTERED WITH OUT PERMISSION
FROM THE LG CORPORATION. ALL COMPONENTS
SHOULD BE REPLACED ONLY WITH TYPES
IDENTICAL TO THOSE IN THE ORIGINAL CIRCUIT.
SPECIAL COMPONENTS ARE SHADED ON THE
SCHEMATIC FOR EASY IDENTIFICATION.
THIS CIRCUIT DIAGRAM MAY OCCASIONALLY
DIFFER FROM THE ACTUAL CIRCUIT USED. THIS
WAY, IMPLEMENTATION OF THE LATEST SAFETY
AND PERFORMANCE IMPROVEMENT CHANGES
INTO THE SET IS NOT DELAYED UNTIL THE NEW
SERVICE LITERATURE IS PRINTED.
NOTE :
1.
Shaded( ) parts are critical for safety. Replace only
with specified part number.
2.
Voltages are DC-measured with a digital voltmeter
during Play mode.
Summary of Contents for HX966TZ
Page 122: ...2 109 3 VIDEO PART 100 FULL COLOR BAR COMPOSITE 9 COMP_Y 10 COMP_Pb 11 COMP_Pr 12 11 12 10 9 ...
Page 123: ...2 110 HPD_TX 13 DDC_SDA 14 DDC_SCL 15 TXC 16 15 14 16 13 4 HDMI PART ...
Page 124: ...2 111 5 MICOM AND MPEG I F PART BCM_nRESET 17 18 19 17 MICOM_UART_RX2 18 MICOM_UART_TX2 19 ...
Page 125: ...2 112 MEMO ...
Page 152: ...2 166 2 165 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD DIAGRAM TOP VIEW ...
Page 153: ...2 168 2 167 MAIN P C BOARD DIAGRAM BOTTOM VIEW ...
Page 155: ...2 172 2 171 3 AMP P C BOARD DIAGRAM TOP VIEW BOTTOM VIEW ...
Page 159: ...3 2 MEMO ...
Page 162: ...3 7 A700 3 SPEAKER SECTION 3 1 CENTER SPEAKER EXPLODED VIEW ...
Page 164: ...3 9 A900 3 3 PASSIVE SUBWOOFER EXPLODED VIEW ...
Page 177: ...4 12 2 DRIVE IC R2A30209SP SPINDLE MOTOR AND 6CH ACTUATOR DRIVER 2 1 Block Diagram ...
Page 181: ...4 16 MEMO ...