MVC-FD97
4-54
4-53
BACK LIGHT DRIVE
PK-55 (4/4)
PK-55 (BACK LIGHT DRIVE) SCHEMATIC DIAGRAM
• See page 4-43 for PK-55 printed wiring board.
• See page 4-71 for waveforms.
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque
0
sont
critiques pour la sécurité.
Ne les remplacer que
par une piéce portant le numéro spécifié.
NO MARK:REC/PB MODE
8.2
7.8
7.7
8.2
7.7
5.3
-0.6
5.1
5.1
-0.6
0
4.9
4.9
4.9
4.9
0
2.1
4
4.9
1.2
1
0.9
2.3
0
2.5
0.6
0
1
0.3
0.9
0.3
0.9
0
4.9
4.9
1.7
0.3
10
LND851
SHIELD_GND
UN9112J-(K8).SO
Q852
1500
R866
18p
C856
±
0.5%
6800
R853
0.1u
C865
4.7uH
L851
LND853
SHIELD_GND
22k
R857
4700
R865
2.2u
C855
C851
0.01u
100k
R869
22k
R871
BL_GND
UN9213J-(K8).SO
Q855
±
0.5%
3300
R862
12p
C866
3000V
MA111-(K8).S0
D853
BL_LEV
470
R872
±
0.5%
120k
R855
6800
R870
PANEL_4.9V
UN9213J-(K8).SO
Q859
1800
R867
0.022u
C857
XX
C860
0.01u
C858
NJM2406F-TE2
IC852
123
4
5
T851
1
2
3
4
5
6
10
BL_UNREG
120
R873
±
0.5%
10k
R860
1u
C862
FP216-TL
Q860
5
1
2
4
3
LND855
SHIELD_GND
LND852
SHIELD_GND
±
0.5%
1800
R861
2SD2216J-QR(K8).SO
Q858
C864
0.015u
TL5001CD-E2
IC851
1
OUT
2
VCC
3
FB
4
IN
5
SCP
6
DTC
7
RT
8
GND
UN9214J-
(K8).SO
Q851
4700
R859
UN9213J-(K8).SO
Q853
0.22u
C853
XX
D852
FP102-TL
Q856
1
2
3
4
5
2SD2216J-
QR(K8).SO
Q857
33u
10V
C861
6.3V
2.2u
C854
L853
100uH
560
R856
22uH
L852
C852
22u
16V
47k
R864
LND854
SHIELD_GND
1800
R868
1500
R863
27p
C859
±
0.5%
27k
R854
2SD2216J-QR(K8).SO
Q854
560
R858
UN9112J-(K8).SO
Q861
0.1u
C863
1
A
ND801
10P
CN851
1
BL_CASE
2
BL_LED
3
BL_LOW
4
N.C
5
N.C
6
N.C
7
N.C
8
N.C
9
N.C
10
BL_HIGH
D854
PG1112H-TR
R874
XX
2
12
6
8
D
E
PK-55 BOARD (4/4)
B
7
05
13
10
11
C
F
3
9
4
5
BACK LIGHT DRIVE(BL BLOCK)
XX MARK:NO MOUNT
-REF.NO.:2,000 SERIES-
BACK
LIGHT
IC851
DC/DC CONTROL
PROTECT SWITCH
SWITCH
SWITCH
SWITCH
SWITCHING
SWITCHING
LED SWITCH
INVERTER DRIVE
Q857-859
BL LEVEL
IC852
CURRENT DETECT
14
PK-55 BOARD (2/4)
11
PK-55 BOARD (1/4)