Grundig GDV Modul 1 Service Manual page 60

Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
DVD-Monoboard – Prozessor und Decoder / Processor and Decoder
1 2 3
BASIC ENGINE INTERFACE Bus
A
I2C Bus
+5Vstby
2500
+5Vstby +5Vstby
7505
ST24E32M6
8 100n
1
VCC
E0
1501
2
F503
E1
1
3 5
SDA
E2 SDA
2
B
6
F504
SCL
3
7
F505 WC_
VSS
4
STB_CONT
F507 4
5
P50
SCL
SYSTEM ADDRESS Bus
SYSTEM DATA Bus
C
7503
STi5505
RAM/ROM Interface
D
D7 148 DATA7
D6 147 DATA6
D5 146 DATA5
D4 145 DATA4
D3 144 DATA3
D2 143 DATA2
E
D1 142 DATA1
D0
141 DATA0
128 RAS1n_OR_HOLDREQ
F525
RWN 133 READNOTWRITE_OR_DMAACK
121 WE0n
122 WE1n
F527
CAS0ND 129 CAS0n_OR_HOLDACK
CAS1ND F529 132 CAS1n_OR_DMAREQn
124 CE1n
F531
CE_FLASHN 125 CE2n
CE_ROMN F533
126 CE3n
135 CSn
RAS0ND F534 127 RAS0n_OR_CE4n
F OEND F535 123 OEn
VDD_STI
3527 10R
3528 10R
G F542 36 B_DATA
3529 10R F543
40 B_WCLK
F544
37 B_BCLK
3530 10R
F545 38 B_FLAG
F546 39 B_SYNC
3531 10R
42 B_V4
3532 10R F547
H
I
SDRAM Interface
1 2 3
4 - 35
4 5 6
VDD_STI
F501
F502
2501
7502
100p
MC33464N
1
VDD_STI
RESET_
3506
2 5
7501
STB_CONT
IN
BC847B
NC
10K
4
3
MEMORY interface SYSTEM USE PORT 0 I/O
uP ST20cpu
Audio
MPEG
A/V/Sub
Video
demultiplexer
DECODER
Subpicture
2
I S
SDRAM CONTROLLER
ADDRESS DATA
4 5 6 7
GRUNDIG Service
GDV Modul 1 Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
7 8 9 10
2532
100p
PORT 1 I/O PORT 2 I/O PORT 3 I/O PORT 4 I/O
Subpicture
decoder
8 9 1 0
4 - 36
Reference – 1B ......................4-17
Oscillograms .........4-41 – 2A ......................4-19
A/V-MUX Board ....4-13 – 2B ......................4-21
– 1A ......................4-15 Eject Board ...........4-22
11 12 13
1506
F573
OSD_ACTIVE
1
YC0
2
3
YC1
4
5
YC2
6
7
YC3
8
9
YC4
10
VDD_STI
VDD_STI
11
YC5
12
F508 13
YC6
14
15
YC7
16
17
HSYNC
18
F509 19
VSYNC
20
21
3517
27M_CLK1
22
3K3
F519 VDD_STI
3523
23
3K3
24
3524
RESERVED 24
100R
VDDA_PCM 48
VSSA_PCM 50
3525
JTAG TEST IRQ VREF_PCM 49
10K
F523
AC3
F526
SCLK 43
AUDIO
PCM_OUTO 44 F528
LPCM
PCM_CLK 45 F703
DECODER LRCLK 46 F530
F532
SPDIF_OUT 47
MPEG1/2
12.2896MHz
VIDEO R_OUT 57
G_OUT 56 F537
B_OUT 55 F538
C_OUT 63 F539
ENCODER
CVBS_OUT 64 F540
Y_OUT 62 F541
+5V
27M_CLK
VDD_STI
5501
2u2
5502 2527
2u2
7504 100n
VDD_STI
2528
FXO-31FT 4
VDD
100n 1 3
TS OUT
OSC
2529
GND
F564
100n
2
27M_CLK 100R
3539
3543 27M_CLK1
HSYNC
11 12 13
GDV Modul 1
DVD-Monoboard...4-23 – 4........................4-33
– 1........................4-27 – 5........................4-35
– 2........................4-29 – 6........................4-37
– 3........................4-31 Power Supply.....4-9/11
14 1501-1 B1 9503 B10
1501-2 B1 9504 B10
1501-3 B1 9505 B10
1501-4 B1 9506 B10
1501-5 B1 9507 B11
1506-1 A14 9508 B9
1506-10 B14 9509 B9
1506-11 B14 9510 B9
1506-12 B14 9511 B9
1506-13 B14 9512 B9
1506-14 B14 9513 B9
A
1506-15 B14 9514 B10
1506-16 C14 9516 C7
1506-17 C14 9517 C7
1506-18 C14 9518 C7
1506-19 C14 9519 C7
1506-2 A14 9520 C7
1506-20 C14 9521 C8
1506-21 C14 9522 C8
1506-22 C14
1506-23 D14
1506-24 D14
1506-3 A14
1506-4 A14
B
1506-5 A14
1506-6 A14
1506-7 A14
1506-8 A14
1506-9 B14
2500 A2
2501 B5
2502 B6
2503 B6
2504 C11
2505 B12
2506 D14
C
2507 D14
2508 E14
2509 E14
2510 I3
2511 I3
2512 I4
2513 I4
2514 I4
2515 I4
PCMout1 2516 I5
2517 I5
D 2518 I5
VDD_STI
F522
2519 I9
3545
2520 I9
220R 2521 I9
2522 I10
2523 I10
2524 I10
2525 I11
2526 I11
2508
2527 I13
2528 I11
3n3
2529 I11
E
2530 I11
F524 2531 I11
2532 A7
2533 B8
3500 B3
3501 B3
3502 A5
3503 B11
3504 B11
3505 B11
3506 B4
3507 B5
F
3508 B11
3509 B11
3511 C6
3512 C6
3513 C11
3514 C6
3515 C6
3516 C6
3517 C13
3519 C9
3520 C11
3521 C12
G
3522 C12
3523 D13
3524 D14
3525 E14
3526 F2
3527 G1
3528 G1
3529 G1
3530 G1
3531 G1
3532 G1
H
3533 H8
3534 I12
3535 I13
3536 I14
3537 I12
3538 I13
3539 I13
3540 C9
3541 B7
3542 B8
3543 I12
3536
3545 D14
100R
5501 H11
I 5502 I11
5503 H13
7501 B5
F565 7502 B7
7503 D2
7504 I13
7505 A2
9501 A10
9502 B10
14
GRUNDIG Service