
10-13
Digital Main 4 Schematic Diagram [TYPE B]
SP3801
SPEAKER
L-CH
3 SP(R)-
2 SP(L)-
4 SP(R)+
CN3801
1 SP(L)+
AMP-MUTE
AL+3.3V
AL+5V
AMP+13V
P-ON+3.3V
0.1
C3704
BACKLIGHT-SW
0.22
C3801
OPEN
D3801
1
C3832
1000P
C3811
L3801
33uH
1000P
C3812
L3802
33uH
OPEN
D3802
1
C3821
1
C3836
OPEN
D3803
1000P
C3813
L3803
33uH
OPEN
D3804
1000P
C3814
1
C3823
L3804
33uH
0.22
C3802
0.22
C3803
0.22
C3804
1
C3806
1
C3805
1
C3819
OPEN
R3808
1
C3816
1
C3817
OPEN
R3807
0
R3806
OPEN
R3805
1
C3818
2SC4081UBTLQ
Q3801
10K
R3812
OPEN
R3820
10K
R3814
10K
R3811
OPEN
R3821
10K
R3809
OPEN
R3810
220/16V
C3829
SP3802
SPEAKER
R-CH
D3806
OPEN
D3805
OPEN
10K
R3705
1
C3815
100K
R3815
0.1
C3830
75
R3126
R3136 33
10K
R3712
220
R3709
10P
C3701
10P
C3702
330P
C3720
12K
R3713
JK3701
2.2
C3125
1
C3707
R3144 33
2.2
C3126
330P
C3719
10P
C3703
2SC4081UBTLQ
Q3701
75
R3127
75
R3125
100
R3710
0.047
C3118
0.047
C3139
1000P
C3119
26
23
22
0.047
C3140
33
R3138
24
COMP-DET
64
IC3101(2/5)
*1
MSD8220LB1-S1
NU
25
68
R3124
0.047
C3141
OPEN
C3716
R3198 100
62 SPDIF
10K
R3706
560P
C3718
35
560P
C3713
10K
R3707
12K
R3714
34
OPEN
C3714
47
46
200K
R3164
1000P
C3147
200K
R3175
1000P
C3148
45
44
10K
R3200
1
2
3
4
5
IC3019
AP2151WG-7
OUT
GND
/FLAG RN
IN
103
VBUS-ST
10K
R3479
1
C3327
22
R3176
61
VBUS-EN
2 USB(-)
4 GND
3 USB(+)
CN3009
(USB JACK)
1 BUS-POWER
220/6.3V
C3348
1
C3246
OPEN
D3052
124
USB(+)
5.1
R3020
5.1
R3021
123
USB(-)
2
UART0-TX
CN3010
1
AL+5V
3
UART0-RX
4
GND
OPEN
C3254
OPEN
C3255
4.7K
R3395
4.7K
R3396
OPEN
C3253
116 VGA-SDA
117 VGA-SCL
47
R3115
47
R3114
UARTTXD0
UARTRXD0
0.047
C3124
68
R3128
NU
30
10K
R3480
0
R3825
JK3703
HEADPHONE
JACK
OPEN
D3703
100
R3112
99
HP-DET
200K
R3190
1000P
C3105
200K
R3163
1000P
C3104
HP-MUTE
OPEN
R3863
4.7
C3828
4.7
C3827
4.7
C3824
4.7
C3825
100/16V
C3831
3.3K
R3716
1
C3706
110
R3708
100P
C3709
0.1
C3708
220/6.3V
C3705
10
C3857
1
C3858
100K
R3866
20K
R3852
33K
R3853
33K
R3854
33
R3816
OPEN
D3702
OPEN
R3862
220/6.3V
C3710
OPEN
D3701
OPEN
R3823
OPEN
C3860
OPEN
R3861
0.33
C3852
OPEN
R3813
20K
R3851
OPEN
R3824
1K
R3702
47K
R3867
OPEN
R3865
8
3
VCC
4
GND
5
STDBY
6
1
BIAS
7
2
IC3851
TS488IQT
OPEN
Q3861
0.33
C3851
D3811
RS1BJTD
1K
R3704
100K
R3855
100K
R3856
10K
R3868
1
2
3
4
27
28
26
25
22
24
23
21
6
5
8
7
10
11
12
9
13
14
18
20
15
19
16
17
CONTROL
LOGIC
AVCC
POWER
LIMITER
LEVEL
DETECTOR
DRIVE
GAIN
CONTROL
GND
VDR
NU
PVCC2
PVCC2
GND
GND
PVCC1
PVCC1
DRIVE
POWER
LIMITER
LEVEL
DETECTOR
DRIVE
POWER
LIMIT
REFERENCE
DRIVE
CAP-D
IC3801
MP7752GF-Z
DIGITAL MAIN CBA UNIT
(AUDIO AMP)
(SWITCHING)
W
X
2
4
1
V
S
3
T
U
DIGITAL SIGNAL PROCESS
/MAIN MICRO CONTROLLER
AUDIO(R)-IN
SW
COMPONENT
-Pr-IN
AUDIO
I/F
AUDIO(L)-IN
(BUFFER)
COMPONENT
-Pb-IN
COMPONENT-Y
/VIDEO-IN
DIGITAL
SIGNAL
PROCESS
A/D
CONVERTER
(HIGH SIDE SW)
(NO CONNECTION)
TO DIGITAL
MAIN 5
IC3101(3/5)
CONTINUE
DIGITAL 6
CONTINUE
DIGITAL 5
CONTINUE
DIGITAL 6
DIGITAL
AUDIO OUT
(COAXIAL)
TO DIGITAL
MAIN 7
IC3101(5/5)
TO DIGITAL
MAIN 3
IC3101(1/5)
TO DIGITAL
MAIN 5
IC3101(3/5)
TO DIGITAL
MAIN 7
IC3101(5/5)
(HEADPHONE AMP)
The order of pins shown in this diagram is different from that of actual IC3101.
IC3101 is divided into five and shown as IC3101 (1/5) ~ IC3101 (5/5) in this Digital Main Schematic Diagram Section.
1 NOTE:
PL15.01BSCD4