Sharp CP-DV50F, Service Manual

Page: 15 / 68

XL-DV5/DV50
4 – 2
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B +B
+B
AN78L05
3 1
LM4733TA
POWER AMP.
7
6
5
4
3
2
1
2
AC
SOCKET
POWER TRANSFORMER
(SUB)
SUB_RELAY OUT
SUB_RELAY IN
CD+B
+
–
L OUT
R OUT
A_GND
L IN
R IN
R
R
L
L
–
–
+
+
–B
–B
–B
FAN_ATART
SP_DETECT
P_MUTE
FAN_PRO
SP_RELAY
SINGAL_LVL
FAN MOTOR
LINE FILTER
S/W_IN S/W_RF MUTE3 GND S/W_OUT NC R_RF MUTE2 GND NC VEE R_IN R_OUT L_RF L_IN MUTE1 GND NC VEE L_OUT NC VCC VCC NC NC VEE VCC
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
M
HEADPHONES
11
10
9
8
7
6
5
4
3
2
1
FROM DISPLAY PWB
FRONT SPEAKER
SUB WOOFER
SPEAKER
TERMINAL
R-CH
L-CH
AC 120V 60Hz
AC POWER
SUPPLY CODE
CONSTANT VOLTAGE
REGULATOR
IC101
SO101
CNP102
SO202
LF201
RLY201
T202
IC204
M201(218-4)
D214~217
R158
RLY101
RLY102
JK101
Q113
Q112
Q114
Q110
Q109
Q111
Q206
Q205
Q107
Q108
Q204
Q202
Q203
Figure 4-2 BLOCK DIAGRAM (2/6)