Pioneer SC-27 Service Manual page 91

5
(D)
(D)
(D)
(D)
(D)
(D)
C2425
0.1u/10
SYB
C2424
470p/16
SCH
1
2
SDI1
[FD]
3
G_IO
(D) V_IO
4
SDO3 [BD]
(D)
5
[CD]
SDO2
(D)
6
[SD]
SDO1
(D)
7
[FD]
SDO0
8
V_CORE
9
PF8
10
DSPC56371AF180
PF6
R2404 47k
11
PF7
12
G_CORE BOOT MODE
R2405 NM
13
PF2 DECODER
14
PF3 UCOM
R2406 NM
15
PF4
R2407 NM
16
PF5
17
V_IO
18 PF1
PF0
19 G_IO
20
C2407
470p/16
SCH
C2408
0.1u/10
SYB
V+3R3_DDS2
L2404
NM
C2428 NM
C2429 NM SYB
IC2402
1 8
XCS Vdd
R2433
2 7
SO XHOLD
NM 3 6
XWP SCK
4 5
Vss SI
CN2401
NM
NM
FLASHROM
V+6_D REGULATOR 3.3V
IC2501
V+3R3_OS
1 5
VIN VOUT
2
GND
3 4
CONTROL NB
NJM2872BF33
SRC
V+3R3_OS1
L2501
4.7u/10 QYB
C2508
QTL1013-A
C2507 0.1u/10
SYB XXTL0
C2506 470p/16 SCH
X2501
R2501 1 4
OE VDD
100
2 3 R2503
GND OUT
22
ASS7102-A
24.576M
24ARC
OSC
V+3R3_OS2
L2502
C2511 4.7u/10 QYB
22ARC
QTL1013-A
C2510 0.1u/10 SYB
C2509 470p/16 SCH
X2502
R2505 1 4
OE VDD
100
R2507
2 3
GND OUT
47
ASS7101-A
22.5792M
XARC
R2519
OSC
NM
DAZDB
V+3R3_D25
ARC
IDT6V60008DCG
R2536
1 8
NC
ICLK
R2537
47 2 7
VDD1 CLK1
100
3 6
GND1 VDD2
4 5
CLK2
GND2
IC2508
GNDD
5
6
(D)
B
2/4 DSP ASSY (AWX9429: SC-27)
(D)
V+1R25_DDS
V+1R25_DDS2 V+3R3_DDS1
L2402
QTL1013-A
3.3V
1.25V
C2423 C2421
0.1u/10 0.1u/10
SYB SYB
C2422 C2420
470p/16 470p/16
SCH SCH
60
(D)
59
(D)
58
FST_1
R2423
[BD] SDI0_1 57
SDI2_1
[CD] SDI1_1
56
SDI3_1
R2421
55
SDO1_1
54
SDO0_1
R2420
53
G_CORE
IC2401 52
V_CORE
51
MODA
50
MODB
49
A B C D MODE2 MODC
48
0 1 0 0 L MODD
47
1 0 1 0 H RESET
46
PINIT
R2417
45
EXTAL
2nd DSP
100
44
V_PLLD
G_PLLD 43
G_PLLP
V_PLLP 42
41
C2411
470p/16
C2409 SCH
470p/16
C2412
SCH
V+3R3_DDS3
0.1u/10
C2410 L2403
SYB
0.1u/10
SYB
QTL1013-A
R2416 10k
R2411 47k
C2513 V+3R3_D16
0.1u/10
L2503
SYB
QTL1013-A
C2512
470p/16
H-MODEL
SCH
14
1
ONLY
R2510
3
R2509
22
2
7
100
IC2502 (1/4) C2520
470p/16
TC74VHC08FTS1
14
9
R2513
8
C2519
R2514
0.1u/10
22
10
7
100
IC2502 (2/4)
TC74VHC08FTS1
14
4
*R2512
6
R2511
22
5
7
100
IC2502 (3/4)
TC74VHC08FTS1
14
12
DIRMCLK
R2515
11
R2516
47
13
7
100
IC2502 (4/4)
TC74VHC08FTS1
V+3R3_D17
C2515 SYB
0.1u/10 L2504
QTL1013-A
C2514 SCH
470p/16
IC2503
5
1
R2518
4
R2517
47
2
3
100
TC7SH08FUS1
R2524
100
C2522
V+3R3_D18
C2517 SYB 470p/16
NM
C2521
L2505
C2516 SCH
0.1u/10
NM
NM
IC2504
NM
5
1
R2520
4
NM
2
3
C2518
220u/10
R2526
ZL
R2541
V+3R3_D24 100
100
SYB
C2531 0.1u/10
R2531
C2530
SCH
100
470p/16
IC2509
R2538
47
1 8
A VCC
R2539 R2530
2 7
B ST
47 3 6 100
Y SELECT
R2540
4 5
GND Y
47
TC7WH157FU
MASTER CLOCK SELECTOR
SC-27
6
7
(AWX9467: SC-25, SC-9540)
(D)
SELECTOR
A DSP
B 2CH PCM DIRECT
V+3R3_DSP
DSPPASS
(D)
R2438
R2439
FDTI/DSDFL
R2440
(D)
(D)
D1BCK
PSLRCK
XDACSIG2
DACSIG2
4.7k
0
DACSIG
R2452
R2422 DSP2MOD
NM 47
NM
Q2401
NM
R2418
XDSP2RST
H-MODEL
100
ONLY
*R2454
47
BAUDIO
(D)
V+3R3_D21
SYB
*C2524 0.1u/10
V+3R3_D19 *C2523 SCH
470p/50
SCH *IC2507
L2506 *R2532
100
1 8
QTL1013-A
A VCC
SYB
*R2533
2 7
B ST
100
3 6
(2/4)
IC2505 Y SELECT
14
4 4 5
R2522 GND
6 Y
47
5
7
TC7WH157FU
TC74LCX08FTS1
*R2535
(4/4)
IC2505
14
12 0
R2525
11
L-MODEL
REGULATOR 1.25V
47
13 ONLY
7
TC74LCX08FTS1
V+1R25_DDS
IC2505 (1/4)
14
1
*R2521
3
100: AWX9429
2
7
47: AWX9467
TC74LCX08FTS1
IC2505 (3/4)
14
9 V+1_DDF
R2523
8
100
10 C2393 NM
7
TC74LCX08FTS1
C2384 QYB
2.2u/10
IC2310
1 5
V+3R3_D20 NC VOUT
2
SCH
GND
L2507
3 4
CE VDD
QTL1013-A
SYB
C2533 RP131H101D
C2385 QYB
47u/16
13
14 2.2u/10
AT
IC2506 (4/4)
12 11 REGULATOR 1.0V
TC74VHC126FTS1
7
IC2506 (1/4)
TC74VHC126FTS1
14
1
R2528
2 3
47
7
H-MODEL: SC-27
(3/4)
IC2506
10
14 TC74VHC126FTS1
L-MODEL: SC-25, SC-9540
9 8
7
IC2506
(2/4)
TC74VHC126FTS1
(D)
14
4
: Audio Signal Route (Digital)
5 6
7
7
8
B
(D)
SADA
(D)
CADA
(D)
BADA
V+3R3_D12 V+3R3_D
SYB
L2405
C2431 0.1u/10
QTL1013-A
C2430 470p/16
SCH
IC2403
1 16
SEL VCC
2 15
1A ST
R2446
3 14
0
1B 4A
R2445
4 13
0
1Y 4B
R2444 FLRCK
5 12
0 68
2A 4Y
R2443
6 11
0 100
2B 3A
R2442
68 7 10 100
2Y 3B
R2441 FBCK
8 9 100
GND 3Y
(D)
TC74LCX157FTS1
FADA
V+3R3_D13
L2406 (D)
C2433 0.1u/10 SYB
QTL1013-A (D)
C2432 470p/16 SCH
IC2404 (1/4)
(D)
TC74LCX08FTS1
14
1
R2447
3
47 D2OBCK
R2448
2
7
100
(D)
IC2404 (2/4)
TC74LCX08FTS1
14
4
R2450
6 47
D2OLRCK
R2449
5
7
100
IC2404 (3/4)
TC74LCX08FTS1
14
9
R2451
8 68 FDMCK
10
7
IC2404
(4/4)
TC74LCX08FTS1
14
12
R2453
11
82 SDMCK
13
7 MASTER CLOCK
BUFFER
V+3R3_D14
*L2407
*C2435 0.1u/10 SYB
QTL1013-A
*C2434 470p/16 SCH
*IC2405 (1/4)
TC74LCX08FTS1
14
1
*R2455 82
3
FSMCK
2
7
*IC2405 (2/4)
TC74LCX08FTS1
14
4
*R2456 82
6 SSMCK
5
7
14 14
9 12
8 11
10 13
7 7
*IC2405 (3/4) *IC2405 (4/4)
TC74LCX08FTS1 TC74LCX08FTS1
V+3R3_D15
L2408
C2437 0.1u/10 SYB
QTL1013-A
C2436 470p/16 SCH
14
1
3 R2458 47 BBCK (D)
R2457
2
7
100 IC2406
(1/4)
TC74VHC08FTS1
14
4
6 R2460
10 BLRCK
R2459
5
7
100 IC2406 (2/4)
TC74VHC08FTS1
14
9
8 R2461
10 BAMCLK
R2462
10
7
100 IC2406 (3/4)
TC74VHC08FTS1
14 (D)
12
11 R2463
10 BFADT
R2464
13
100 7 IC2406
(4/4)
TC74VHC08FTS1
BASIC AUDIO
*R2534
47
REGULATOR 3.3V
IC2307
NJM2846DL3-33
V+3R3_DSP
NM
R2381
NM
Q2302
Q2301
NM
IC2309
NJM2846DL3-25
REGULATOR 2.5V
1/10W
R2374
0
D2705 D2704
NM 1SR154-400
8
A
1/4,3/4
DAC/ADC
B
SADA
CADA
BADA
FLRCK
FBCK
FADA
D2OBCK
D2OLRCK
FDMCK
SDMCK
FSMCK
SSMCK
C
BBCK
BLRCK
BAMCLK
BFADT
D
BASIC
B 1/4
V+6_D
E
D2703
1SR154-400
F
B
2/4
91