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8.26. AV DRIVER SCHEMATIC DIAGRAM
TO MAIN CONNECTION
(C-10)
<TO POWER>
E15
REG A5V
E13
REG D3V
E14
SPK 3V
E16
D GND
G
R3708
QR3701
75
UN9112
(AV IN ON:ON)
0
4.8
0
R3711
10K
4.8
TO MAIN CONNECTION
0
(D-11)
<TO CONTROL>
0
E28
AV IN
H
R3712
10K
F
QR3702
UN9213
0
(AV IN
H
:ON)
R3713
C3722
10K
0.01
R3703
390
TO MAIN CONNECTION
E
(D-10)
<TO DV JACK/EX INPUT>
R3704
E9
S Y I/O
68
E10
S C I/O
L3701 10u
C3706
LB3701
LB3702
4.7
VLP0329A121
VLP0329A121
TO MAIN CONNECTION
(D-10)
<TO EVR>
E5
S Y
LB3703
VLP0329A121
E6
S C
D
E7
V OUT
L4701 10u
C4716
C4715
0.01
6.3V22
C
TO MAIN CONNECTION
(E-10)
<TO SPEAKER>
E1
SP OUT1
E2
SP OUT2
C4722
C4721
0.01
0.01
R4713
R4712
10
10
L4702 10u
C4713
4.7
B
TO MAIN CONNECTION
(D-11)
<TO CONTROL>
E30
DET TIME
E29
HP DET
L
CL3701
TO MAIN CONNECTION
(D-10)
<TO DV JACK/EX INPUT>
E8
V/HP(R)
CL4701
CL4702
TO MAIN CONNECTION
(C-10)
<TO DV JACK/VIDEO2>
A
E12
L/HP(L)
E11
R/GND
1
2
R3706
0
1800
Q3701
2SD1979
(MUTE)
R3707
390
0
Q3702
C3705
2SD1979
2.2
(MUTE)
0.5
0.3
0
0
0
0
(1.2)
(1.2)
Q3703
48
47
46
45
44
43
2SD1979
(MUTE)
R3799
330K
DY
AND
IF
2.7
VFB
49
-
+
STB
R3702
C3702
1800
2.2
2.7
VOUT
-
50
DV
+
C3701
DDS W
6.3V100
4.8
51
YVVCCH
+
MIX
CGND
R3701
C3719
52
68
0.01
4.8
(2.2)
COUT
53
DC
DDS B
C3703
0.01
4.8
54
CVCCH
R3705
10K
0.1
S DC
55
S-DC
2.6
(0)
MIXSW
56
C4724
C4707 0.01
BEEPIN
0.1
1.4
57
+
+
C4706 4.7
1.4
58
VREFSP
1.4
MIXOUT
59
C4708
R4715
0.1
4700
1.4
SPIN
60
DC
3.1
SHIFT
61
SPVCC
1.4
SPOUT1
62
VCC
SPGND
1/2VCC
63
1.4
SPOUT2
64
+ -
1
2
3
4
5
6
2.8
4.8
4.5
0
0
2.3
(0)
R4799
R4701
680
100
3
4
5
L3702
10u
C3708
4.7
C3710
6.3V10
2.1
0
0
0.3
0.8
0.9
2.8
0
(0.6)
42
41
40
39
38
37
36
35
34
33
GND
CLUMP
SUBY
Y GCTL
C GCTL
VVCC
GCA
3dB
4.8
LPF
VVCCH
32
ATT -9dB
0
CIN2
31
DDS B
CLAMP
2.8
INSEL
30
BUFFER
0
CIN1
29
BPF
0
GCA
WIDE
BUFFER
ATT -9dB
28
3dB
GND
27
1.9
EVRCTL
EVR CTL
26
C4720 4.7
1.4
VREF
25
1.4
(1.1)
SEC.
LCHIN
EVR
MUTE
24
LPF
1.4
SEC.
RCHIN
EVR
MUTE
23
LPF
2.8
AVCC
22
MUTE
MUTE
MUTE
MUTE
C4719 6.3V10
CTL
TC
4.7
21
DC
DC
DC
MUTE
SHIFT
SHIFT
SHIFT
CTL
0
20
HPMCTL
0
AMCTL
19
R4714
4700
0
LINEON
18
0
HPON
17
C4723
0.1
7
8
9
10
11
12
13
14
15
16
0
0
2.4
2.4
2.3
0
0
2.3
IC3701
AN2903FJQ
AUDIO/VIDEO
R4702
R4703
R4704
DRIVE
100
1K
1K
C4703
C4704
3.3
3.3
6
7
8
55
:Y SIGNAL PATH
:VIDEO SIGNAL PATH
:C SIGNAL PATH
:AUDIO SIGNAL PATH
TO MAIN CONNECTION
(D-11)
<TO CONTROL>
S ON
Y G CTL
C G CTL
WIDE
CHR Y
CHR BLK
C3720
C3721
0.01
0.01
C3716 1
L3703
10u
C3713
4.7
TO MAIN CONNECTION
(E-11)
<TO VIDEO1>
Y VIOLA
C VIOLA
C3718 0.01
C4725
0.1
TO MAIN CONNECTION
R4707
(D-10)
C4709 1
2200
<TO VIDEO2>
DA L CH
DA R CH
R4708
C4710 1
2200
R4710
R4709
L4703 10u
10K
10K
C4711
C4712
0.1
6.3V10
TO MAIN CONNECTION
(D-11)
<TO CONTROL>
A MUTE
R4716
4700
TO MAIN CONNECTION
(D-11)
<TO CONTROL>
V ON
A ON
SPK VOL
HP MUTE
HP ON
SPK ON
NOTE:
DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC
DIAGRAM FOR ORDERING.WHEN YOU ORDER A PART,PLEASE
REFER TO PARTS LIST.
NOTE:
THE MEASUREMENT MODE OF THE DC VOLTAGE ON THIS
DIAGRAM IS STOP MODE.
9
10
H
E31
E19
E20
E21
E33
E34
E17
E18
E3
E4
H
E26
H
E27
H
E32
E25
H
E23
H
E22
H
E24
11
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