Pioneer SX-LX70SW Service Manual page 79

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QQ
3 7 63 1515 0
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 1
SR OUT 2
7M REMOCON
RMC_SWR
R5554
47k
TE
L 13942296513
87M BEATCUT2
86M BEATCUT1
81M FANCONT
POWER
SUPPLY
[DSP u com]
[DSP]
[DI]
[LIPSYNC]
[XMcom]
[MODULATOR]
VS+3R3
78M PWRCONT
THERMAL
PROTECT
www
77M XSHUTDWN
C
B
C
Q1701
E .
DTC124EUA
E
5
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SR OUT
L5452 D5453
STBY STBY
3
2 C
1 B
JA5451
RKN1004
E
2
3 L5451
QTL1013
1
JA5452
RKN1004
C
E
Q5451
DTC124EUA
BEAT CUT
IC5503
S-93C46BD0I-J8T1
(sub:BR93L46RFJ-W)
1 8
CS VCC
2 7
SK NC
3 6
DI TEST
4 5
DO GND
GNDD
[DSP]
VS+5
[SR]
[u com]
[u com] [FL DRIVER]
VU+5 VE+5
L1501
22 YA
C
B
E
Q1301
DTC124EUA
[OPT IN] [DIR]
VS+5HD_2
B2
Q1103
(2/2)
UMF21N
x ao u163
y
B
i
Q1702
DTC124EUA
STBY
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8
STBY
R5456
Q5453
STBY
VE+5
D5451
R5451
1SS355 4.7k
Q5452
2SA1576A(QR)
E
B
R5452
D5452
B
1SS355 1k
R5801
C
22k
R5804
B
Q5803 (1/2)
22k
RT3CLLM(EF)
E
GNDD VE+5
Q5803 (2/2)
RT3CLLM(EF)
C2
R5805
B2
1k
Q Q
D5801
3 6 7 E2 1 3
1SS355
[FAN] GNDD
VSFAN
[A.IN Assy]
[D.AMP Assy]
[AUDIO BUFFER]
[INPUT SELECTO]
GNDF
C
B
Q5605
DTC124EUA
E
VS+5HD_1
[HDMI]
C
B
Q1102 E
DTC124EUA
C2
E2
.
SX-LX70SW
7
9 4 2 8
A
1/7
NOTES
All Capacitors are in p-pF or uF
unless otherwise specified
Ratings : Capacity(uF)/Voltage(V)
Rated Voltage : 50V unless
otherwise specified
SQ : CKSQ**(2125size)
SR : C*SR**(1608size)
CH : CCSSCH(1005size)
(others : CKSSYB(1005size))
: CEVW
All Resistors are in k-kohm, M-Mohm or ohm
1/8W : RS1/8S***J(3216size)
1/10W : RS1/10S***J(2125size)
1/16W : RS1/16S***J(1608size)
F% : RS1/16SS***F(1005size)
(others : RS1/16SS***J(1005size)
All Inductors are in uH
YA : LCYA***J2520
VSF+12
VSFAN
CN1002
B2B-PH-K-S
FAN+
1
GNDF
2
GNDF
1 5 0 5 8 2 9 9 4
VSF+FAN
[HDMI HOTPLUG]
[FL Assy]
[iPod]
[TUNE] [BEAT CU]
VSF+12
VS+12
CN1001
B14B-PH-K-S
VSF+12
1
VS+12
2
BEAT CUT
3
VE+5
4
VE+5HD
VE+5HD
5
VE+5HD
6
GND
7
VS+3R3
8
POWER CONT
9
THERMAL_PROTECT
10
GNDD
11
GNDF
FL DC-
12
FL DC+
13
VFLDC-
VFDP
14
[FL]
VFLDC+ m
GNDD
[FL]
VFDP
co
[FL]
7
8
9 9
A
MAIN ASSY
(AWK8028)
B
C
2 8 9 9
D
E
F
A
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