Chapter 4. Diagrams; Block Diagram - Sharp XL-DV5 Service Manual

XL-DV5/DV50
E Market XLDV50/5 Service Manual XL-DV5/DV50 Audio
CHAPTER 4.
DIAGRAMS

[1] BLOCK DIAGRAM

TO TUNER PWB
S12V
1
VCC1
2
GND
3
VCC2
FROM DVD PWB
4
GNDRF
5
VCCA
6
GNDA
7
CNP807
T201
POWER TRANSFORMER
(MAIN)
L_CH
1
1 2
A_GND
2 3
R_CH
3 4
S/W
4 5
GND
5 6
+12V
6 7
+7V
8
7
CNS602 CNW602
+B
+B
+B +5V
IC203
LM2576T
VOLTAGE REGULATOR
1 2 3 4 5
+B
+B
F201
5A 125V
D201
+B
F202
5A 125V
–B
F204
3.15A 125V
D205
+B
F203
2A 125V
DGND
DGND
Q201
–B
VF2
VF1
1
2
3
4
FROM
5
DISPLAY PWB
6
7
8
9
CNP101
Figure 4-1 BLOCK DIAGRAM (1/6)
+B
+B
Q117
Q118
+B
+B
Q213
Q214
+B
+B
Q116
+B1 +B
–B1
+B2
C211
–B
KIA7812API
3.8V
1
3.8V +B
–30V
D_GND
+B
+5.6V
MGND
+10V
+B
+5.6V
P_CON
+B
4 – 1
Q207 Q208
+B
A GND
Q101
Q102
Q115
A GND
+B
R155
3.3K
+B
+B
+B
IC202
+B
IC201
+B
3
KIA7805API
2
+B
1 3
2
VOLTAGE
REGULATOR
+B
1 2 3 4 5
+B
–B
+B
+B
–B
+B
Q203
+B