6-8
DDC_SW1
MNT
OUT_SW5
S_SW
A
UDIO_MUTE5
V
OL_SW5
V
O
L_SW
MNT
OUT_SW
PC1/PC2_SW
COMPO
PC/A
V_SW
A
UDIO_MUTE
V
O
L_SW5
MNT
OUT_SW5
PC1/PC2_SW5
COMPO5
PC/A
V_SW5
A
U
DIO_MUTE5
SC_SW
S_SW
PO
WER_SW
LAMP_SW
BALAST_A
C
CHO_RXD
CHO_TXD
LAMP_DET
LAMP_SENS
LAMP_SW
CHO_TXD_L
CHO_TXD_L
FAN_DRIVE
P_F
AIL
KEY1-3
S
D
ATA
SENB
SCLK
PO
WER
AV
LAMP BALLAST
IC201
RGB-MNT SW
<AD8075>
IC221
SYNC I/O-SW
<TC4053>
IC5061
A
UDIO-OUT
<AN7513>
IC5001
A
UDIO-CTL
<BA7655>
IC001
A
UDIO-SW
<TC4052>
IC1201
PC1/PC2-RGB SW
<AN5870>
IC5201
RGB/COMP-SW
<AN5870>
IC5301
SYNC-SW <TC4053>
IC9882
INVER
TER
<TC74A
CT>
IC501/IC1501 IC531/IC1531 IC561/IC1561
S&H
IC2801/IC2831/IC2861
TEMP
. SENSOR
<LM76CHMX>
IC301
SYSTEM
CONTROL
<PW463>
IC2323
SW
<TC74LCX574>
IC5371
BUFFER
IC2324
SW
<TC74LCX574>
RC
RECEIVER
PO
WER SUPPL
Y
SW901
LAMP
CO
VER
SWITCH
P.
F.
CONTR
O
L
S-VIDEO
SC_SW
LAMP_BST_SW
5V_SW
SCAR
T-
IN
RC BO
ARD
MAIN BO
ARD
Q5061
Q6842
Q5043
18
17
16
15
14
13
13
14
3
5
9
7
12
FA
N_CONT_1
FA
N_CONT_2
ECO_SW
IC6221
D/A
<M62392>
14
15
9
V
O
L_CTL
V
O
L_CTL
IC281
D/A
<M62393>
12
4
BALAST_SW
W
A
RNING_LED
LAMPREP_LED
READ
Y_LED
IC1851
D/A
<M62320>
12
11
ON:H
ON:H
ON:H
ON:H
ERR
OR:H
P-ON:H
P-ON:L
P-ON:H
P-ON:H
P-ON:H
P-ON:H
P-ON:H
P-ON:H
P-ON:L
MUTE:H
MUTE:H
MONIT
OR OUT
:L
PC1:L
15K:H
PC:H
ERR
OR:L
ERR
OR:L
10
9
2,3
1,2
2,3
2,3
10
2,6
1
2
6
26
26
9
9,10,11
1
10,11
17
15
13
5
8
5V_SW
LAMP_SW1
LAMP_BST_SW1
BALAST_A
C
1
FA
N_DRIVE1
IC1881
BUFFER
3
1
3
R/C
35
39
41
48
50-52
74
82
85
76
77
80,81
77,78
96,97
98,99
2,40
12
7
9
5
17
8
13
11
15
H8_SCL1 H8_SD
A1
H8_SCL2 H8_SD
A2
H8_SCL3 H8_SD
A3
H8_SCL4 H8_SD
A4
H8_SCL4_5 H8_SD
A4_5
H8_SCL5 H8_SD
A5
Q1826/Q1827
H8_SCL2_5 H8_SD
A2_5
Q1823/Q1824
H8_SCL1_5 H8_SD
A1_5
Q1821/Q1822
IC801
SUB CPU
D8_PW
D15_PW
IC2321
SW
<TC74LCX541>
4
6
D0_PW
D7_PW
D0_PW
D7_PW
Q6844
Q6843
Q6841
W
A
RNING
LAMP REPLA
C
E
READ
Y
45,46
PW_SCL1 PW_SD
A1
Q1371/Q1372
IC4891
OPEAMP
K8R
K
6R
12
K8S
3
1
K8H
4
5
1
11
K3Y
K10Y
41
42
43
44
39
40
K3T
K10U
15
16
13
14
17
18
K8D
K
28D
A
3
KEY SWITCHES
PO
WER
FA
IL DETECTION
System controls
Chassis Block Diagrams
Содержание LV-7215U
Страница 9: ...Part 1 General Information ...
Страница 25: ...Part 2 Repair Information ...
Страница 43: ...Part 3 Adjustment ...
Страница 66: ...Part 4 Troubleshooting ...
Страница 77: ...Part 4 Troubleshooting 4 11 4 IC BLOCK DIAGRAMS AD8075 Selector IC201 AN7513 Audio Output IC5601 ...
Страница 78: ...Part 4 Troubleshooting 4 12 AN5870 RGB SYNC SW IC1201 IC5201 BA7078 Sync Separator IC5341 ...
Страница 80: ...Part 4 Troubleshooting 4 14 CXD3536 LCD Driver IC401 FA5502 P F Control IC621 ...
Страница 81: ...Part 4 Troubleshooting 4 15 M62392 M62393 D A IC6271 IC281 ML60851 USB Driver IC9801 ...
Страница 82: ...Part 4 Troubleshooting 4 16 STR Z2156 Power Switching Control IC631 TB1274 Video Decoder IC3101 ...
Страница 83: ...Part 4 Troubleshooting 4 17 TC90A69F Y C Separator IC2101 ...
Страница 84: ...Part 5 Parts Catalog ...
Страница 85: ......
Страница 99: ...Part 6 Electrical Diagrams ...