Digital Main Assy (7/11) - Pioneer VSX-LX52 Service Manual

1

10.12 DIGITAL MAIN ASSY (7/11)

A
0.1u/10
R252
47
ADRSDATA0 470p/50
R253
47 0.1u/10
ADRSDATA1
ADRSDATA2
ADRSDATA3
ADRSDATA4
R254
47
B ADRSDATA5 0.1u/10
ADRSDATA6
ADRSDATA7
470p/50
LWE/LSDQM
LSDWE 0.1u/10
LSDCAS
LOE/LSDRAS
RAMCS
ADRS16
ADRS17
LSDADRS10
ADRS0
ADRS1
ADRS2
ADRS3
C
ADRSDATA16
ADRS15
ADRS14
ADRS13
D
ADRS12
ADRS11
ADRS10
ADRS9
ADRSDATA20
ADRSDATA21
ADRSDATA19
ADRSDATA18
ADRS8
ADRS7
ADRS6
ADRS5
ADRS4
E
ADRS3
ADRS2
5
1
2
3
ROWE
GNDD
F
E
7/11
98
1
2
V+3R3_D
*C261
47u/16
C262
NM
V+3R3_DSPF2 64M SDRAM
C251
YB
IC251
C252
54
1
VDD1 VSS3
YB
2 53
DQ15
DQ0
C253
52
3
VDDQ1 VSSQ4
YB
4 51
DQ1 DQ14
5 50
DQ2 DQ13
C260
49
6
VSSQ1 VDDQ4
YB
7 48
0.1u/10
DQ3 DQ12
8 47
DQ4 DQ11
C254
9 46
VDDQ2 VSSQ3
YB
10 45
DQ5 DQ10
11 44
DQ6
DQ9
C259
12
43
VSSQ2 VDDQ3
C255
YB
13 42
0.1u/10
DQ7 DQ8
YB
14 41
VDD2 VSS2
15 40
YB
LDQM
N.C/RFU
C256
16 39
WE UDQM
R251
17 38
CAS CLK
22
18 37
RAS
CKE
19
36
CS N.C
20 35
BA0 A11
21 34
BA1 A9
22 33
A10/AP A8
23 32
A0 A7
24 31
A1 A6
25 30
A2 A5
26 29
A3 A4
27
28
VDD3 VSS1
K4S641632N-LC60
(Sub:HY57V641620FTP-6)
C257
YB
470p/50
C258
0.1u/10 YB
GNDD
V+3R3_D
FLASH ROM
V+3R3_DSPF3
IC261
1 48
A15 A16
2 47
A14 BYTE#
3 46
A13 VSS2
4 45
A12 DQ15_A-1
5 44
A11 DQ7
6 43
A10 DQ14
7 42
A9 DQ6
8 41
A8 DQ13
9 40
A19 DQ5
C264
10 39
NC1 DQ12
11 38 YB
0.1u/10
WE# DQ4
C263
12 37
RESET# VCC
13 36
NM
NC2 DQ11
14 35
WP# DQ3
15 34
RY/BY# DQ10
16 33
A18 DQ2
17 32
A17 DQ9
18 31
A7 DQ1
19 30
A6 DQ8
20 29
A5 DQ0
21 28
A4 OE#
22 27
A3 VSS1
23 26
A2 CE#
24 25
A1 A0
S29AL016J70TFI01
GNDD
4
IC271
TC7SH32FUS1
2
3
R257
47
ADRSDATA15
ADRSDATA14 ADRSDATA3
ADRSDATA13 ADRSDATA4
ADRSDATA5
R256
47 ADRSDATA6
ADRSDATA12
ADRSDATA7
ADRSDATA11
ADRSDATA8
ADRSDATA10
ADRSDATA9
ADRSDATA9
ADRSDATA10
R255
ADRSDATA8
47
LWE/LSDQM
LCLK
LCKE
ADRS11
ADRS9
ADRS8
ADRS7
ADRS6
ADRS5
ADRS4
ADRSDATA11
ADRSDATA12
ADRSDATA13
ADRSDATA14
ADRSDATA15
ADRSDATA16
ADRSDATA17
ADRSDATA17
ADRS0
ADRSDATA7
ADRSDATA6
ADRSDATA5
ADRSDATA4
ADRSDATA3
ADRSDATA2
ADRSDATA1
ADRSDATA0
LOE/LSDRAS
ROMCE
ADRS1
ROMCE
LALE
RAMCS
LWE/LSDQM
LOE/LSDRAS
LCKE
LCLK
LSDWE
LSDCAS
LSDADRS10
VSX-LX52
3
4
V+3R3_D
L281
C282
YB
0.1u/10 QTL1013-A V+3R3_DSPF4
C281
YB
470p/50
IC281
1 20
R284
OE Vcc
100
2 19
ADRS3
D0 Q0
3 18
ADRS4
D1 Q1
4 17
ADRS5
D2 Q2
5 16
ADRS6
D3 Q3
6 15
ADRS7
D4 Q4
7 14
ADRS8
D5 Q5
8 13
ADRS9
D6 Q6
9 12
ADRS10
D7 Q7
10 11
GND LE
R283
100
TC74LCX573FTS1
GNDD
LATCH
V+3R3_D
L291
C292
0.1u/10 YB QTL1013-A
V+3R3_DSPF5
C291
470p/50 YB
IC291
1 20
R294
OE Vcc
100
2 19
ADRS11
D0 Q0
3 18
ADRS12
D1 Q1
4 17
ADRS13
D2 Q2
5 16
ADRS14
D3
Q3
6
15
ADRS15
D4 Q4
7 14
ADRS16
D5 Q5
8 13
ADRS17
D6 Q6
9 12
D7 Q7
10 11
GND LE
R293
100
TC74LCX573FTS1
GNDD
4
DA
LALE
LALE
ROMCE
RAMCS
LALE
LWE/LSDQM
LOE/LSDRAS
LSDADRS10
LCKE R3
LCLK
LSDWE
R3
LSDCAS
ADRS0
ADRS1
ADRS2
V+3R3_DSP
QTL