Toshiba RD-97DTKB, Service Manual

Page: 36 / 75

1-11-4
Audio Block Diagram
E2J70BLA
IC005 (AUDIO SIGNAL PROCESS)
JK1204
Q1802
Q1806
AUDIO(L)
-OUT
BOARD AV
DTV MODULE
ASSEMBLY
AUDIO(R)
-OUT
JK1202
AUDIO(L)
-IN
AUDIO(R)
-IN
JK1203
SIF OUT
(OP AMP)
IC1203
TO DIGITAL
SIGNAL
PROCESS
BLOCK
DIAGRAM
(CN701)
TU1701
(TUNER UNIT)
OP
AMP
OP
AMP
7
30
31 2
43
1
7
2
6
MUTE-ON
DRIVE
Q1803
BUFFER
Q1807
(FRONT)
(REAR)
(FRONT)
MUTE-ON
CN1201
(OP AMP)
IC1202
OP
AMP
OP
AMP
SW
SW
SW
6
2
7
1
REC AUDIO SIGNAL PB AUDIO SIGNAL
AUDIO OUT 6
Q1804
MUTE-ON
Q1805
MUTE-ON
Q1852
MUTE-ON
Q1851
MUTE-ON
DIGITAL
AUDIO OUT
(COAXIAL)
IF SINAL
PROCESS
DTV SIGNAL
PROCESS
JK1207
AUDIO(R)-IN2
AUDIO(L)-OUT2
AUDIO(R)-OUT2
2
AUDIO(L)-IN2 6
1
3
JK1206
AUDIO(R)-IN1
AUDIO(L)-OUT1
AUDIO(R)-OUT1
2
AUDIO(L)-IN1 6
1
3
79
80
76
77
90
67
68
94
85
92
82
89
93
84
91
81
SW
SW
72
SW
71
SW
74
SW
SW
SW
73
17 AUDIO(L)-OUT
15 AUDIO(R)-OUT
18 DVD/HDD-AUDIO-MUTE
11 AUDIO(L)-IN
13
AUDIO(R)-IN
29 DTV-AUDIO(L)
30 DTV-AUDIO(R)
1 DIF-OUT1
2 DIF-OUT2
DVD/HDD-AUDIO-MUTE
SC-AUDIO-MUTE
AUDIO-MUTE
TO SYSTEM CONTROL
BLOCK DIAGRAM
Q1801
DRIVE
IIC
I/F
42
43
TO SYSTEM CONTROL
BLOCK DIAGRAM
SDA
SCL
W F 6
TO DIGITAL
SIGNAL
PROCESS
BLOCK
DIAGRAM
(CN101)
CN1151
3 SPDIF
IC001
(IF SINAL PROCESS)
DIF-OUT2
TU1751
(TUNER UNIT)
20
DIF-OUT1 21
CN1751
W F 7
NOTE: BOARD MEANS PRINTED CIRCUIT BOARD.