Schematic Diagram - A3-Au Board (3/4) - Sony TAV-L1 Service Manual

TAV-L1
7-44. SCHEMATIC DIAGRAM – A3-AU Board (3/4) –
1 2
A
A3-AU BOARD
R7409 R7425 R7423
R7412
47k
47k 22k
B
R7424
5 6
C
4 3
D
C7404 C7406
0.22 D7416
0.22
MM3Z10VT1
C7425
10
16V
R7452
100
E
65
C7426
10
R7453
A3-AU SW1_SEL1_LR
16V
100
BOARD
(2/4)
C7428
(Page
1
SW1_SEL1_L
89)
R7459
10k
F
C7429
1
SW1_SEL1_R
R7460
10k
R7456
R7455
4.7k 4.7k
66
AP_R_OUT
G A3-AU
AP_L_OUT
BOARD
(2/4)
(Page
IC B/D
89)
IC7405
AUDIO SELECT
(Page
H 91)
AUDIO_VARI
67
LINE_MUTE
A3-AU
HP_DET
BOARD
(4/4)
HP_MUTE
62
A3-AU
AC_OFF_DET_AU
BOARD
(2/4)
I
(Page
89)
TAV-L1
• See page 111 for IC Block Diagrams.
3 4 5
(3/4)
C7401
10
22k
16V
10k
C7424
10 R7437
16V 100
Q7406
0
DTC314TK-T-146
MUTING
0
7 8
C7422
D7411
0.1
MMDL914T1
R7431
470k
R7439
1M
2 1
IC7404
D7409
MM3Z2V4T1
LINE AMP
R7438
100
R9474
C7423 Q7407
10k
DTC314TK-T-146
10
Q7411,7413
MUTING
16V
0 MUTING CONTROL
D7410
MM3Z2V4T1
Q7411
0
2SC4081T106R
9.1
D7412
MMDL914T1
0
MUN5213T1
R7432 R7440
R7443
470k
10k
1M
IC7405
CD4052BNSR
L7401
10uH
0 5.2
R0 VDD
R2 L2
0 4.6
RX L1
0
R7447
R3 LX
4.6 0
R1 L0
INH L3
C7427
22
0
16V
VEE A
VSS B
R7454 100
R7601
10k
6 7 8
R7401
12k
R7402
15k
LINE_OUT_L
LINE_OUT_R
R7445 Q7607
10k
DTC314TK-T-146
C7611
MUTING
0.1
0.1
0
0.1
2.6 0
Q7413
R7627
0
R7603
C7602
C7605
4.7k 0.1
10
16V
R7609
12k
R7451
0
R7604 C7603
4.7k 0.1
C7612
0.1
10k
0
Q7608
DTC314TK-T-146
D7413 0
MUTING
MMDL914T1
R7628
0
D7605
R7606 10k
MMDL914T1
18.1
Q7601
0.1
MUN5213T1
0.1 Q7602
2SC4081T106R
2.6
0
Q7601,7602
R7607
MUTING CONTROL
100k
90 90
9 10 11
R7611 R7614
3.3k
100k
C7607
47
R7616
R7615
16V
220
33k
C7604 22p
R7621
100k
3.3 4.6 4.6
4 3 2 1
IC7601
HEADPHONE AMP
Q7606
DTC314TK-T-146
MUTING
D7604
MM3Z2V4T1
0
5 6 7 8
3.3 4.6 4.6 9.1
C7608
47 R7617
C7610 22p
220
16V
0
R7612 33k
Q7605
DTC323TKT146 0
MUTING
R7613
R7610
3.3k
100k
R7622 D7603
R7624 R7623
100k MM3Z2V4T1
100k
VD7601 R7620
1k
12 13
64
AU_SW9V
A3-AU
AU_9V BOARD
(2/4)
(Page
89)
59
A3-AU
LINE_OUT_LR
BOARD
(1/4)
(Page
88)
AU_PRE_GND
57
(Page
A3-AU
88)
R7814
C7803
BOARD
470 0.1
(1/4)
AU_PROT
R7812
10k
68
AU_PROT
A3-AU
BOARD
(4/4)
(Page
91)
CN7503
4P
1
HP-R
2 HP-L
(NC)
3
HP-DET
4 HP-GND
0
100k
AU_PRE_GND
A5V
69
R7619
A3-AU
100k BOARD
(4/4)
(Page
REG17.5V-2
91)