Toshiba rd-xv48dtkb Service Manual page 54

Audio Selector Block Diagram
BOARD AV
IIC-BUS SDA
TO SERVO/SYSTEM
CONTROL IIC-BUS SCL
BLOCK DIAGRAM
IC1508
(OP AMP)
2
6
W F 9
CN1502
17 AUDIO(L)-OUT
TO DIGITAL
SIGNAL 15 AUDIO(R)-OUT
PROCESS
18 DVD/HDD-AUDIO-MUTE
BLOCK
11 AUDIO(L)-IN
DIAGRAM
(CN701) 13 AUDIO(R)-IN
IC1506
( OP AMP )
1
7
TO Hi-Fi
VCR-AUDIO-OUT(L)
AUDIO
BLOCK VCR-AUDIO-OUT(R)
DIAGRAM
IC1509(AUDIO SELECTOR)
42
IIC
I/F
43
OP
1 77
AMP
OP
7 76
AMP
SW
SW
SW
80
OP
2
AMP
70
SW
OP
6 79
SW
AMP
SW
69
REC AUDIO SIGNAL PB AUDIO SIGNAL
CN1506
72
SW
71
SW
74
SW
73
SW
68
SW
67
SW
90
87
85
92
82
(VCR DVD/HDD DUBBING)
94
(DVD/HDD VCR DUBBING)
89
86
84
91
81
93
1-13-6
NOTE: BOARD MEANS PRINTED CIRCUIT BOARD.
BOARD REAR JACK
JK2001
CN2001
6 AUDIO(L)-IN2 6
5 AUDIO(R)-IN2 5
3 AUDIO(L)-OUT2 3
1 AUDIO(R)-OUT2 1
2 AUDIO-MUTE 2 MUTE-ON
MUTE-ON
Q2003
Q2002
JK1504
6 AUDIO(L)-IN1
2 AUDIO(R)-IN1
3 AUDIO(L)-OUT1
AUDIO(R)-OUT1
1
Q1537 Q1538
MUTE-ON MUTE-ON
Q1534
IC1902
DRIVE (IF SIGNAL PROCESS)
L-CH
31 IF SIGNAL
R-CH 2
PROCESS
30
MUTE-ON Q1539
MUTE-ON Q1540
Q1536
DRIVE
CN1504 CN3011
17 AUDIO(L)-IN 17
19 AUDIO(R)-IN 19
BOARD FRONT JACK
VCR-AUDIO-IN(L)
TO Hi-Fi AUDIO
VCR-AUDIO-IN(R)
BLOCK DIAGRAM
AUDIO-MUTE
TO SUB SYSTEM
SC-AUDIO-MUTE
CONTROL
DVD/HDD-AUDIO-MUTE
BLOCK DIAGRAM
DTV-AUDIO(L)
TO DTV MODULE
DTV-AUDIO(R)
BLOCK DIAGRAM
6 AUDIO(L)-IN2
2 AUDIO(R)-IN2
3 AUDIO(L)-OUT2
AUDIO(R)-OUT2
1
TU1800
(TUNER UNIT)
6 SIF-OUT
JK1502 (REAR)
AUDIO(L)
-OUT
AUDIO(R)
-OUT
JK3002 (FRONT)
AUDIO(L)
-IN
JK3003 (FRONT)
AUDIO(R)
-IN
E3NG1BLAS