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Power Supply Lines
2
4
6
AV
BO
ARD
Lamp Error
: H
Lamp-On: L
FN902
FN905
FN904
12
12
12
FN903
12
FN901
FN906
12
15.5V
5V_A
U
5V
-
5V
15.5V
5V_A
U
5V
-
5V
CN101
CN102
UNIT_PO
WER
BRIDGE
DIODE
P.
F.
CONTR
OL
MC201
FAN CONTR
OL
MC202
FAN CONTR
OL
MC203
FAN CONTR
OL
IC301
PO
WER
OSC
.
T101
CONVER
TER
TRANS
.
PC301
PC302
PC303
8
3
4-5
10
3
2
7
4
8
5
9
8
3
4-5
10
3
2
7
4
8
5
9
5
1
4
3
AC
INPUT
THERMAL SW
FUSE
FILTER BOARD
K6A
K601
CN100
IC5641
12V
Q2501
ON_15V
15VL
IC5642
9V
L2511
15VP
D5641
IC5631
3.3V
IC491
1.8V
D491,D492
L370
5V_PW
IC371
IC102
IC5621
3.3V_M
Q372
S1.5V_PW
Q371
S3.3V_PW
IC392
S2.5V_PW
D5631
D2511
D101
Q3582
5V
A
5V_SW
SW BO
ARD
LAMP CO
VER SW
UNIT_LAMP B
ALLAST
IC1871
COMP
ARA
TO
R
IC301
SYSTEM
CONTR
OL
IC8821
TEMP
.
SENSOR
SENSOR BO
ARD
12V
5V
-
5V
ON_3.3V
FAN_CONT1
FAN_CONT2
FAN_CONT3
FAN_CONT4
IC1802
EXP
ANDER
IC3561
DA
C
IC1882
LAMP
CONTR
OL
IC1881
INVERTER
PC303
PC501
PC300
5V
LAMP_PO
W
LAMP_PWM
FAN_ERR
IC4801
NAND
5
1
4
3
CN300
15VB
375V
IGNIT
OR
ON_15V
K48L
K8811
SW8801
K48K
MAIN BO
ARD
Po
w
er F
ail:
L
Po
w
er F
ail:
L
Fan Error : L
Stand-b
y :
L
PWM
Lamp-On: H
Po
w
er-On:
H
BLUE
LCD
PANEL
GREEN
LCD
PANEL
RED
LCD
PANEL
15VP
Q5622
5V_SW
15.5V_F
AN
IC5621
F
AN4
FAN_CONT4
12
FAN_SW
19
16
15
14
17
174
72
5V_SW
71
6
5
4
7
8
3
3
2
140
178
K50B
K10E
K25B
K25G
K25R
K8H
K88A
CN201
K8B
CN202
K8A
FAN1
FAN2
FAN3
FAN4
F
AN3
F
AN4
F
AN2
F
AN1
IC8802
TEMP
.
SENSOR
IC8801
TEMP
.
SENSOR
5V
P_SCLK1/SD
A1
IC1811
B
UFFER
LAMP_ERR
Fan Loc
k :
H
PRIMAR
Y
CIRCUIT
6
1
4
9
2
11
4
Q5611
D5622
D5624
D5619
D5620
D5612
K66A
K66B
K66C
K66E
K66F
12
K66D
Lamp Error
: H
ON_3.3V
RXL
TXL
SCEL
●
Power supply circuit, Protection circuit and Fan control circuit
* Following information differs from the model LV-S3 ;
- added FAN4 control and ON_3.3V
Содержание LV-S4
Страница 1: ...Multimedia Projector SERVICE MANUAL Original Version FILE NO Model No LV S4 ...
Страница 49: ... 49 BA9743AFV DC DC Converter IC371 IC Block Diagrams BA7078AF Sync Detector IC5301 ...
Страница 50: ... 50 IC Block Diagrams LM4865 Audio Amplifier IC5003 PW168A Scaler Main CPU IC301 ...
Страница 51: ... 51 VPC3230D Video Decoder IC101 IC Block Diagrams TA1370FG Sync Separator Frequency Counter IC5302 ...
Страница 52: ...SERVICE MANUAL LV S4U LV S4E ...