Panasonic PT-52LCX66-K Service Manual page 149

LCD DRIVE IV SCHEMATIC DIAGRAM
LCD_DRIVE(POWER)
R2743 0.68 1/2W
TP2729
TO MAIN P.C.B. CN2704
CN6008
J0JHC0000018
L2701
UREG_17V 1
J0JHC0000018
UREG_9V L2702
2
J0JHC0000018
L2703
REG 5V
3
J0JHC0000018
L2704
REG 3.3V
4
5
GND
GND
6
GND
7
GND 8
(TO FAN 1) CN2701
L2707
J0JCC0000181
1
FAN1_+B
J0JCC0000181
L2708
FAN_GND 2
FAN1_LOCK 3
L2709
J0JCC0000077
TP2735
FAN1_LOCK_H
TO LD II FAN1_LOCK_H 96
R2736 PT
CN2702
(TO FAN 2)
L2710 J0JCC0000181
1
FAN2_+B
FAN_GND 2
FAN2_LOCK 3
L2711
R2735 PT
J0JCC0000077
TP2740
FAN2_LOCK_H
TO LD II FAN2_LOCK_H 97
CN2703
(TO FAN 3)
L2712 J0JCC0000181
1
FAN3_+B
FAN_GND 2
FAN3_LOCK 3
L2713
R2737 PT
J0JCC0000077
TP2741
FAN3_LOCK_H
TO LD II FAN3_LOCK_H 98
CN2705
TO IRIS P.C.B.
CN9502
UREG_9V 1
L2705
J0JHC0000018
GND 2
NC 3
L2714 PT
IIC_SCL_5V 4
L2715 47
IIC_SDL_5V 5
L2716
47
GND 6
7
REG_5V
L2706
PT
IC2701
C0DBEKG00004
(+15.5V REG.)
TP2731
TP2730
TP2732
1 2 3 4 5
3.3V
R2703 0
8 7
IC2702 -
+
C0DBEKG00003
(DRIVE)
IC2705
C0ABBA000137
TP2734 (OP AMP)
TP2742
TP2733 +
-
1 2 3 4 5
1 2
R2742
47k[D]
C2731
R2718
0.1u[KB]
22k
1/16W
IC2703
C0DBEKG00003
(DRIVE)
TP2743 TP2737
TP2736
1 2 3 4 5
FAN2_SD_CTL
IC2704
C0DBEKG00003
(DRIVE)
TP2744 TP2739
TP2738
1 2 3 4 5
FAN3_SD_CTL
IRIS_PWM
IIC_SCL
IIC_SDL
NOTE: For placing a purchase order of the parts, NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
be sure to use the part number listed in the parts list.
REFER TO BEGINNING OF SCHEMATIC SECTION.
Do not use the part number on this diagram.
17V
102 +17V TO LD II
15.5V
109 +15.5V TO LD III
LCD_ON_H
99 LCD_ON_H TO LD II
9V
103 +9V TO LD II
5V
2 +5V TO LD I, II
3.3V
93 +3.3V TO LD I, II, III
FILTER_DET
101 FILTER_DET TO LD II
FAN1_SD_CTL
95 FAN1_SD_CTL TO LD II
R2716
10k
6 5
3 4
FAN_ON_H
108 FAN_ON_H TO LD II
100 FAN2_SD_CTL TO LD II
107 FAN3_SD_CTL TO LD II
1 IRIS_PWM TO LD I
5 IIC_SCL TO LD I
6 IIC_SDL TO LD I
PT-52LCX66/PT-56LCX66/PT-61LCX66/PT-52LCX16/PT-56LCX16/PT-52LCX66-K/PT-56LCX16-K/PT-61LCX66-K
149
PT-52LCX66-K / PT-56LCX16-K / PT-61LCX66-K
NOTE:
PARTS MARKED "PT" ARE NOT USED.
LINK TO VOLTAGE CHART
LSJB3212
LCD DRIVE IV SCHEMATIC DIAGRAM