Sanyo PLC-XU305A, Service Manual

Page: 53 / 126

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Chassis Block Diagrams
FAN_C
ON_C
373
PO
WER
L
AMP B
ALL
AST
IC001
A
UDIO
-OUT
<TP
A3123>
IC5001
A
UDIO
-C
ONT
OL
<NJW1156>
R
C
RECEIVER
POWER SUPPL
Y
SW901 LA
MP
C
OVER
SWIT
CH
P.F
. C
ONTR
OL
SP901
SPEAKER
MUTE
LA
MPDC_ON
R
C
M
AIN
Q6842
R/C
IC9882
INVERTER
<HD74LVC14T>
3
4
ON:H ON:H ON:H
ERR
OR:H
P
-ON:H
P.F
ail:L
ON:H
6
2 1
1
M
ut
e On:H
M
ut
e On:H
Po
w
er On:H
P
o
w
er On:L
L/R
VOL
UME
POWER_LED
BLAST_A
C
BLAST_A
C
FAN_ERR
TEMP_LED ON_33V ON_150V
346
284
184 11
LA
MP_DE
T
185
201
ON_50V
269
11, 110, 201
19
13
17
18
110
READ
Y_LED
P_F
AIL
215
FAN_SW1
FAN_SW1
285
P
o
w
er On:H
LA
MP_DC_ON
89 91
CHO_T
XD
CHO_R
XD
CHO_T
XD
CHO_R
XD
MUTE
KE
Y1
295 26
92 28
KE
Y2
126
POW_KE
Y
R/C-PW
R/C
SCL1/SD
A1
SCL2/SD
A2
268 214 211,294
SCL0/SD
A0
293,212 290,208
FAN_C
ON_A
TD
A
C1
30
IC301
SYSTEM CONTROL
Q6843
D6833
Q037
Q6841
ON:H
LA
MP_LED
Q6844
D6831 D6832
LA
MP REPLA
CE
W
ARNING POWER
IC4891 NAND
2
13
1 10
IC9882
INVER
TER
K8R
K6R
K8S
3 1
K8H
4 5 1
K8D
K29D
3
S3.3V
Q6861
FAN
C
ONTROL CIRCUIT
KE
Y SWIT
CH
SCL2_5V/SD
A2_5V
9
K8F
1 3
LA
MP_DE
T
ON_16V
374
ON_18V
363
ON:H
LED_MCI
Q6845
D6834
WLAN
FAN_SW2
FAN_SW2
345
IC1802
I/O EXPANDER
SCD
T
8
SIRST
94
DVI_HPD
93
SIPDO
92
SIPD
91
IC8001
D
VI-RECEIVER <SiI7169>
IC9885 SUB CPU
R
XD2_MCI
75
T
XD2_MCI
74
R
XD_MCI
73
T
XD_MCI
72
MCI_ON
48
UPD
A
TE
79
POWER_ON_MCI
50
NE
T_H/L
97
NE
T
W
ORK
(MCI)
DIR
X
G
51
DIR
XR
52
DIR
XB
100
DDC_SW1
99
IC3851
G-SENSOR <MX
A2500>
67,68 1,5
DVI
POWER_KE
Y
System control