Pioneer SX-LX70SW Service Manual page 79

5
When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or
"PCB PARTS LIST".
The > mark found on some component parts indicates the importance of the safety factor
of the part. Therefore, when replacing, be sure to use parts of identical designation.
: The power supply is shown with the marked box.
SR OUT
3
2
SR OUT 1
1
JA5451
RKN1004
2
3
SR OUT 2
1
JA5452
RKN1004
7M REMOCON
RMC_SWR
R5554
47k
IC5503
S-93C46BD0I-J8T1
(sub:BR93L46RFJ-W)
1
CS VCC
2
SK NC
3
DI TEST
4
DO GND
87M BEATCUT2
86M BEATCUT1
81M FANCONT
POWER
SUPPLY
[DSP u com]
[DSP]
[DI]
[LIPSYNC] [SR]
[XMcom] [u com]
[MODULATOR] [u com] [FL DRIVER]
VE+5
VS+3R3 VU+5
L1501
22 YA
78M PWRCONT
THERMAL
PROTECT
77M XSHUTDWN
C
B
C
B
Q1701
E
DTC124EUA
Q1702
E
DTC124EUA
STBY
5
6
STBY
R5456
L5452 D5453
STBY STBY
C
Q5453
B
STBY
E
D5451
R5451
4.7k
L5451 1SS355
QTL1013
2SA1576A(QR)
C
R5452
D5452
B
1SS355 1k
E
Q5451
DTC124EUA
BEAT CUT
R5804
B
22k
8
7
GNDD
6
Q5803
(2/2)
5
RT3CLLM(EF)
R5805
1k
GNDD
[FAN]
VSFAN
[DSP]
VS+5
GNDF
C
B
E
Q1301
DTC124EUA
[HDMI]
[OPT IN] [DIR]
VS+5HD_2
C2
B2
E2
Q1103
(2/2)
UMF21N
SX-LX70SW
6
7
NOTES
All Capacitors are in p-pF or uF
unless otherwise specified
Ratings : Capacity(uF)/Voltage(V)
Rated Voltage : 50V unless
VE+5
(others : CKSSYB(1005size))
Q5452
All Resistors are in k-kohm, M-Mohm or ohm
E
B
1/10W : RS1/10S***J(2125size)
1/16W : RS1/16S***J(1608size)
(others : RS1/16SS***J(1005size)
All Inductors are in uH
VSF+12
R5801
C 22k
Q5803 (1/2)
RT3CLLM(EF)
E
VE+5
C2
B2
D5801
E2
1SS355
GNDD
VSF+FAN
[A.IN Assy]
[HDMI HOTPLUG]
[FL Assy]
[D.AMP Assy]
[TUNE]
[AUDIO BUFFER]
[INPUT SELECTO]
VSF+12
VS+12
C
B
Q5605
DTC124EUA
E
VE+5HD
VS+5HD_1
C
B
GNDF
Q1102 E
DTC124EUA
VFLDC-
[FL]
VFLDC+
[FL]
7
8
A
MAIN ASSY
1/7
(AWK8028)
otherwise specified
SQ : CKSQ**(2125size)
SR : C*SR**(1608size)
CH : CCSSCH(1005size)
: CEVW
1/8W : RS1/8S***J(3216size)
F% : RS1/16SS***F(1005size)
YA : LCYA***J2520
VSFAN
CN1002
B2B-PH-K-S
FAN+
1
GNDF
2
GNDF
[iPod]
[BEAT CU]
CN1001
B14B-PH-K-S
VSF+12
1
VS+12
2
BEAT CUT
3
VE+5
4
VE+5HD
5
VE+5HD
6
GND
7
VS+3R3
8
POWER CONT
9
THERMAL_PROTECT
10
GNDD
11
FL DC-
12
FL DC+
13
VFDP
14
GNDD
VFDP
[FL]
A
8
A
B
C
D
E
F
1/7
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