Pioneer SC-LX90 Service Manual page 259

5
V50U
V50E
L6201
QTL1013
23CTS
23TXD GNDU
23RXD
23DET
E23RX
E23TX
E23CT
23SW5
N
N
SROUT
5.6V -> 3.3V Block
GNDU
for DISP u-com
5
6
R6201
100
CECIO
SRIN
IRIN
EVERQ
EVERT
R6204 0
KEY1
KEY2
KEY3
100
HDAD1
HDAD2
HDDI1
HDDI2
V50E
FANDET
V50E
(4.7k)
RT1P431M
Q6201
12DET
GNDU
R6210
100
MCDET GNDU V50E
R6214
HPDET
47k
R6211
100
V56ST V56U
V56U
MC2848-11
V33U
IC6411
NJM2880U1-33
5 4
Vin Vout
Cont. GND
1 2
NB
3
6
C6204
0.1
NC
NC
NC
CEC IN/OUT
SR IN
IR IN
EVENT REQ
RESET
XT1
XT2
Reference Point
VSS1
of Crystal
CF1
EVENT UCOM
CF2
VDD1
IC6201
KEY1
PDC158A8
KEY2
KEY3
NC(KEY4)
HDMI IN 1,2
HDMI IN 3,4
HDMI IN 5
HDMI IN 6
NC
NC(TEMP2)
NC
NC
FAN STOP DET
12V TRG DET
MIC DET
HP DET
C6205
0.1
D6401
V50U
MC2848-11
D6402
GNDU
SC-09TX
7
C6213 STBY
R6222 47K
GNDU
VDD5
NC
NC
R6220
NC
100
E23RX
RS232C TX
E23TX
RS232C RX
R6219
V50E
NC(IceLED_W) 100
NC(IceLED_B)
RS232C DET
NC 23DET
NC
NC
KEYP
POWER KEY
HTPLG
HOTPLUG
R6217
V50E
NC
100
NC
NC
NC
NC
GNDU
NC
KEY3
Zone4 KEY
KEY2
Zone3 KEY
KEY1
Zone2 KEY
NC(For MCR)
VSS2
VDD2
NC
POWER LED
LPOWER
NC
D6201
NC
MC2848-11
LACRY
7
8
A
B
for
JIG Down Lord
CN6281
VKN1413
DBGP2
9 DBGP2
DBGP1
8 DBGP1
DBGP0
7 DBGP0
EVERT
6 RESET
5 GNDU
4
NC
3
NC
2
NC C
1
NC
D
E
F
AC
1/2
113
8