Toshiba DVR19DTKB2 Service Manual page 50

Audio Selector Block Diagram
BOARD AV
IIC-BUS SDA
TO SERVO/SYSTEM
CONTROL IIC-BUS SCL
BLOCK DIAGRAM
IC1508
(OP AMP)
6
2
W F 9
CN1502
17 AUDIO(L)-OUT
TO DIGITAL
SIGNAL 15 AUDIO(R)-OUT
PROCESS
18 DVD-AUDIO-MUTE
BLOCK
11 AUDIO(L)-IN
DIAGRAM
(CN701) 13 AUDIO(R)-IN
TO Hi-Fi
VCR-AUDIO-OUT(L)
AUDIO
BLOCK VCR-AUDIO-OUT(R)
DIAGRAM
IC1509(AUDIO SELECTOR)
42
IIC
I/F
43
OP
7 77
AMP
OP
1 76
AMP
SW
SW
SW
80
70
SW
79
SW
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
Q1547
DRIVE
Q1534
IC1902
DRIVE (IF SIGNAL PROCESS)
L-CH
31 IF SIGNAL 2
R-CH
PROCESS
30
MUTE-ON Q1539
MUTE-ON Q1540
Q1536
DRIVE
VCR-AUDIO-IN(L)
TO Hi-Fi AUDIO
VCR-AUDIO-IN(R)
BLOCK DIAGRAM
DVD-SC2-AUDIO-MUTE
AUDIO-MUTE TO SUB SYSTEM
CONTROL
SC-AUDIO-MUTE
BLOCK DIAGRAM
DVD-AUDIO-MUTE
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
E9TK3BLAS