Power - HP LC3260N Service Manual

A B
8
L3801
FROM/TO POWER3
7
22uH TSL0808
CP3802 (CP510)
A2501WV2-2P
1 9VSC
2 GND
CD3802
CU124001
FROM/TO TUNER/OUT JACK
STANDBY_LED
6
(CP511)
CP3803
L3802
A2501WV2-12P
1 5VSC
22uH TSL0808
2 5VSC
3 5VSC
4 GND
5 GND
L3803
6 GND
7 12VSC
22uH TSL0808
8 12VSC
9 GND
5 10 GND
W947
11 ST_BY_H
12 NC
FROM/TO SOUND AMP/HEADPHONE AMP
ACD
4
FROM/TO POWER3
(CP507)
CP3804
A2501WV2-7P
R3801
1 POWER_FAIL
W859
2.2K
2 LCD-H
L3804
3 AT+5V
22uH TSL0808
4 GND
W858
5 BACKLIGHT ON
W801
6 LIGHT_CTL
W942
7 POWER_ON_H
3
FROM/TO POWER3
(CP512)
CP3801
A2501WV2-4P
1 SOUND+B
2 SOUND+B
3 SOUND GND
4 SOUND GND
2
1
CAUTION
A B
H-11
C
B3801 R3814
W5RH3.5X5X1.0 0.047 1/10W+-1%
C3810
R3816
0.047 1/10W+-1%
16V 1000 FM
C3807 R3815
0.1 B 0.047 1/10W+-1%
3.3V CONTROL
IC3801 AL1010
C3808
8.9 8.9
VIN CS
R3809 D3801 0.047 B
4.5 8.8
V5/PWON EXT
1.2
22K 1SS133 0
Vref/SS GND
1.2 1.2
CC FB
C3804
0.001 B
R3805
4.7K
AT+5V
W845
:SINCE THESE PARTS MARKED BY ARE ATTENTION
:LES PIECES REPAREES PAR UN
CRITICAL FOR SAFETY,USE ONES
DANGEREUSES AN POINT DE VUE SECURITE
DESCRIBED IN PARTS LIST ONLY
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
C
D E
POWER SCHEMATIC DIAGRAM
(AV PCB)
L3807
8.8 3.8 L3806
GATE DRAIN
10uH
15uH
8.8 3.8
SBPSC TSL0808 REGULATOR
SOURCE DRAIN
IC3804
8.8 3.8
SOURCE
DRAIN
8.8 3.8
SOURCE DRAIN
IN OUT
SWITCHING
1 2
Q3813 RSS050P03
7.5 0.3
R3818 R3819
1.8K 680
+-1% +-1%
W842
W804
ETANT
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
D E
F G
C3835
0.22 MMTS
C3836
0.22 MMTS
5.0 4.2 0 0 0 17.8 33.7
14 13 12 11 10 9 8
CVCC COSC NC NC NC CP3 CP3
CP1 CP1 GND CP2 CP2 CREG COUT
1 2 3 4 5 6 7
9.4 5.1 0 17.0 9.5 30.9 30.6
C3829 C3832
0.22 MMTS 0.22 MMTS
C3830
C3833
0.22 MMTS
0.22 MMTS
PQ070XF01SZH
GND
3 4
2.1
5.3
L3809
6.8uH
W807 RCH8011NP-6R8L
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
F G
H
FROM/TO POWER3
CP3808 (CP508)
A2001WV2-7P
8
DTV UNREG+5V 1
DTV UNREG+5V 2
DTV UNREG+4V 3
D3811 D3812
4
DTV UNREG+4V
EC31QS04 EC31QS04
5
GND
6
GND
7
GND
FROM/TO TUNER
UNREG+5V
UNREG+4V
P.CON+32V
7
FROM/TO AV JACK2
P.CON+5V
GND
FROM/TO TUNER/OUT JACK
6
AT+5V
GND
FROM/TO STEREO
D3804
P.CON+8V
1H3-E
P.CON+5V
AT+5V
GND
5
FROM/TO AV JACK
P.CON+5V
GND
FROM/TO AV SWITCH2
AT+5V
AT+3.3V
P.CON+9V
P.CON+5V
GND
4
FROM/TO TUNER/OUT JACK
PSU_ACD/P.FAIL
PSU_5VD/DSR/LIGHT_CTL
VS_ON/LCDON
RLY_ON/LCD-H
POWER_ON-H
FROM/TO RREGULATOR
CP3807 (CP3201)
A2001WV2-11P
P.CON+12V
P.CON+12V 1
P.CON+9V
3
P.CON+9V 2
P.CON+5V 3
AT+3.3V
AT+3.3V 4
P.CON+3.8V 5
P.CON+3.8V
P.CON+3.8V 6
GND
GND 7
GND 8
GND 9
P.CON+5V 10
AT+5V
AT+5V 11
CD3807
TR304
W5T29X7.5X19 CU2B6601
2
FROM/TO SOUND AMP/HEADPHONE AMP
AT+5V
GND
SOUND+B
SOUND_GND
PCBD20
CMF080
1
H
H-12