6-7
Chassis Block Diagrams
Q001
Q002
Q5043
Q054
Q051
Q052
Q053
MUTE_SP
1
7
1
2
3
5
12
5
14
2
6
8
3
3
10
6
8
1
13
5
3
2,6
1
7
13
17
12
7
8
9
10
17-18 15-16 13-14
3
1
K10U
K10U
K3T
K8F/Q
K3T
IC301
SYSTEM
CONTR
OL
PW_SCL2_5
PW_SDA2_5
VOL_SW5
AUDIO_MUTE5
VOL_CTL
V
O
L_SW5
MUTE5
V
O
L_CTL
45
46
MAIN
AV
Q5041
Q5042
IC001
A
UDIO-SW
<TC4052>
IC5061
A
UDIO-OUT
<AN7513>
IC5021
A
UDIO-PREAMP
<LA6358>
IC5001
A
UDIO-CONTR
OL
<BA7655>
L
R
L
R
L
R
L
R
PC
AUDIO-IN
AV
AUDIO-IN
AUDIO
OUT
SP901
IC2323
D/A
<TC74LCX>
IC2324
D/A
<TC74LCX>
IC281
D/A
<M62393>
12
14
IC5371
B
U
FFER
Q5061
D0_PW
D15_PW
PC: L
AV: H
PC: H
AV: L
MUTE: H
Q5001
MUTE:L
MUTE:H
MUTE:H
MUTE:H
SIGNAL/MODE
MUTE
ON
NORMAL
H
L
MUTE
ON
NORMAL
H
L
PC
AV
H
L
MIN.
MAX
L
H
MUTE5/
AUDIO_MUTE5
MUTE_SP
VOL_SW5
VOL_CTL
Audio signal processing circuit
Summary of Contents for LV-7215U
Page 9: ...Part 1 General Information ...
Page 25: ...Part 2 Repair Information ...
Page 43: ...Part 3 Adjustment ...
Page 66: ...Part 4 Troubleshooting ...
Page 78: ...Part 4 Troubleshooting 4 12 AN5870 RGB SYNC SW IC1201 IC5201 BA7078 Sync Separator IC5341 ...
Page 80: ...Part 4 Troubleshooting 4 14 CXD3536 LCD Driver IC401 FA5502 P F Control IC621 ...
Page 81: ...Part 4 Troubleshooting 4 15 M62392 M62393 D A IC6271 IC281 ML60851 USB Driver IC9801 ...
Page 83: ...Part 4 Troubleshooting 4 17 TC90A69F Y C Separator IC2101 ...
Page 84: ...Part 5 Parts Catalog ...
Page 85: ......
Page 99: ...Part 6 Electrical Diagrams ...