Sharp HT-M700H Service Manual page 52

HT-M700H
A
SPEAKER TERMINAL PWB-D (2/6)
B
J3
1
2
3
4
5
6
7
8
9
10
11
12
13
C
D
E
TO DDX2062
EAPD
F
MUTE_2062(DD2-3)
From MPEG
BAMP_MUTE(DD2-2)
From MCU
EAPD_8001
From DDX8001
G
H
NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1.
1
MCLK
R38B
A_TSD0-
SDATA0
A_TSD1-
SDATA1
A_TSD2-
SDATA2
A_TBCK-
BICK
A_TWS-
LRCK
MCLK
DDX_RST
AMP_VMODE
DDX_SDA
DDX_SCL
MUTE_2062
MUTE_HP
+3.3V
LFB3
3.3V_PGC
C83
0.1
1
+
C82
100/16
3
+5V_FB
C80
0.1
+3.3V
R63B
10K
DD2B
BAT54S
DD3B
BAT54S
R83B
0
2 3
Figure 6-23 SCHEMATIC DIAGRAM (15/27)
BICK
DDX_MCLK
R34C
0
MUTE_2062(DD2-3)
EAPD_8001(DD2_3)
GNDA
J1
TRANSFORM
+5V
U6B
3
GND
AS1117H
2
4
+32V
1
POWER
2
GND
+32V
LFB2
LFB7
C81
R79B
0.1
0
Q2C
R25C
2N3904
10K
Q1C
2N3904
R26C
10K
1
AMP_MUTE
2
U4
HP_MUTE
3
V6300F
DC_P
4
EEPROM
D_GND
Optional reset circuit.
4
6 – 23
DDX_8001BICK
R37B
R86B 0
EAPD_8001
0
R80
EAPD_2100
CH7_A
CH7_B
R61B
J5
0
1
AMP_MUTE
2
HP_MUTE
HP_MUTE
3
DC_P
4
D_GND
L16B
CH8_A
GNDA
CH8_B
EAPD
5
LRCK
R36C
R53B
10K
C107
470P
R45B
10K
AMP_MUTE
R49
10K
R48
10K
C
R87B
33
R62B
100
6