Main Assy (7/7) - Pioneer SX-LX70SW Service Manual

1

10.7 MAIN ASSY (7/7)

A
DSP
VS+3R3
E
Q503
C
2SC4081(QR)
R540
4.7k
B
VS+5XM
CN501
AKP7201
+5V
1
TR-
2
TR+
3
C
GND
4
GNDD
DSP MCK OSC
VS+3R3
L551
QTL1013
D
VDC2
E
DC-DC
CONVERTER
F
A
7/7
90
1
2
R537
B
100
VS+3R3
IC502
VS+12
BD9701FP
4 5
L502
2 1
CTH1262
3
C505
0.1/10 YB
R508
STBY
C506
R509
0.1/10 YB
STBY
15p
12p
GNDD
IC551
TC7WHU04FU
(3/3)
V32D
8
R557
1 7
4 22
IC551
IC551
TC7WHU04FU
TC7WHU04FU
(1/3)
(2/3)
8 8 R554
6 2 3 5
4 22
4
R551
IC552
1M TC7SHU04FUS1
5 R555
4
X551
2
XSS3003
22
3
24.576MHz
GNDD
GNDD
VDC3
1.2V
IC901
BD9107FVM
1 8
ADJ VCC
R903
2 7
ITH PVCC
3 6
10k
EN SW
F%
4 5
GND PGND
1.25V
V1D2
IC904
PQ1LAX95MSPQ
REGULATOR
SX-LX70SW
2
3
R525
R524
R523
V32C
R519 *
R520 *
R521 *
STBY
C511
*
VSS4 COMM_RX_DIG
COMM_TX_DIG SAII_DATA
VDD3 COMM_TX_EN
IC501
COMM_RX_P
F2621E-01
(rev3B)
COMM_RX_M
(F2602E-01 rev3)
VDD4
COMM_TX_P
VSS5 VSS6 PCM_DATA
COMM_TX_M
C509
R510 R512
6.8k STBY
CH
C510
CH
R538
X501
ASS7065
45.1584MHz
AUDIO MCK
OSC3
TC74VHC08FTS1 TC74VHC08FTS1 TC74VHC08FTS1
R293
MCK1
OSC2
22
14
4
R294
6
MCK2
5
22
7
R296
MCK3
22
OSC1
R295
MCK4
22
VS+5
VDC1
L905
ATL7010
R902
stby
L904
STBY
F901
DTF1106
STBY
L906
ATH7047
4.7
GNDD
VS+3R3
GNDD
3
4
A
2/7, 3/7, 4/7, 5/7, 6/7
LINK ACTV*
58XM
100
I2S RATE*
100 56XM
XM_RST
100 57XM
ANTREV*
53XM
R518
100
33XM
XM RX
34XM
XM TX
XM_LSDP
16XM
R517
*
XM MUTE
SAII_EN SAII_CLK
73XM
*
VDD8
R529 XMMK
PCM_OCLK
47
VSS12
R528
XMLK
PCM_LRCLK
VSS11
100
VDD7
R527
XMBK
PCM_CLK
47
R526
XMFD
100
*
C518
STBY
C519
STBY
C516
STBY
C517
XM DT4_MODE
R534
STBY
61XM
XM SC_RATE
59XM
XM
VS+3R3
V32J
IC291 IC291 IC291
L291
QTL1013
R291
14
1
3
2 22
(1/4)
R292
7
(2/4)
22
R297
14
12
11
22
13
(4/4)
7
14 R299
9
8
10 22
(3/4)
7
GNDD
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)
4