Panasonic PT-EX600U, Service Manual

Page: 92 / 176

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Troubleshooting
IC301 SYSTEM CONTROL <PW392>
KEY11-31
Wired RC
Jack
AU2803
RC Pre-Amp.
FRONT
AU2801
RC Pre-Amp.
TO
P
K28A
K10A
R/C FRONT &
TO
P
RC&LED
CONTRO
L
A/
V
MAIN
22 33
K21A
K8H
K68A
K8J
3
1
Q5856
KEY01-03
PO
WER_ON
F_RC
PW_R/C_FR
ONT
PW_R/C_T
OP
T_RC
RC_ALL
W _RC_SW
FIL
TER
Q5861
D6884 D6885
D6886
REPL
AC
E
Q5894
D6883
LAMP
Q5869
TEM
P
Q5862
D6881
Q2803 Q2804 Q2801 Q2802
3 1
1,13,10
97
4 2
11
10
13
12
2 12
3
11
5
6
9
8
PO
WE
R
SHUTTER
IC2810
INVER
TER
23
10,9,7
15
IC2813
OR
W_RC
R_RC
Q2805
IC5201 FPGA
<XC3S50A>
17
21 12
IC9885 SUB-CPU
<LC87F2G08A>
AU2802
RC Pre-Amp.
REAR
438 34 437
Q5863
346 349 247 387 293 292 251,154,41
144 249,143,29 27,142,26
9 8
11
6 7 3 1
10
LAMP_REP_LED PIC_TEMP_LED
PIC_LAMP_LED
PIC_PO
WER_LED
LAMP_REP_LED PIC_LAMP_LED
PIC_PO
WER_LED
5
PO
WER_SW
SHUTTER_LED
FIL
TER_LED
PW_MASTER_SDO PW_MASTER_SDI PW_MASTER_SCK
CONTRO
L
KEYS
IC2811
BUFFER-SW
PW_R&W_WIRED
L: WIRED
3 4 5 6 7 8 9
LED drive & RC control