Display-Platte - Grundig DVD-P 7850 Serviceanleitung

GRUNDIG Service
Display-Platte / Board
Ansicht von der Bestückungsseite / View of Component Side
Ansicht von der Lötseite / View of Solder Side
F1
1.0A 32V (1206)
+5V
EC1
NC/100u/16V (dip) 10uF/10V/0805
DC_PWM2
DC_PWM3:139KHz
R161
NC/1K
B
INV_BRI
+5VINV
L4
0R/1206
L2
33uH/STD0403 D15
C172 SSM14/SMA
IGND
C174 680nF
R143 4.7K Q9
B
2SD965/SOT89
D965SS/SOT23
Q11
IGND
NC/2N3904
INV_BRI:305Hz
PWM duty : 35% 12V/70mA
PWM duty : 100% 12V/140mA
INV12V
CON2/1.25mm
R142 C173
110K
NC
DC_FBK2
L5
R144 D16 NC/0R/1206
13K NC/BZT52C3.3B
IGND IGND IGND IGND
R145 D
NC/100R Q10
G
NC/2N7002
INV_BRI
S
IGND
2 - 14
DVD-P 7850
J10
Output: 140 mA/12V
1
2
7" LED Backlit unit
equivalent diagram
R147
47R/0805
L3
0R/1206
R3
IGND
0R
IGND
IGND