Digital Board: Av Dec. Sti5508 (Diagram 2) - Philips DVDR880/001 Service Manual

Circuit Diagrams and PWB Layouts
Digital Board: AV Decoder STI5508
1 2 3
AV decoder : STI5508
A
I2C BUS
I265
5207
+3V3
100MHZ 7201 2202
M24C64
8 100n
1
VCC
E0 GNDD
2
E1
I229
3 5
E2 SDA
6
SCL
I239 I215
B 7
WC_
VSS
GNDD GNDD GNDD
4
NVRAM
GNDD
SYSTEM ADDRESS BUS
SYSTEM DATA BUS
C
7200
STI5508
D
148
CPU DATA7
147 CPU DATA6
146 CPU DATA5
145 CPU DATA4
144 CPU DATA3
143 CPU DATA2
142 CPU DATA1
141 CPU DATA0
SYSTEM CONTROL
E
138 CPU RAS1
130 CPU RW
128 CPU BE0
129 CPU BE1
139 CPU CAS0
140 CPU CAS1
134 CPU CE1
133 CPU CE2
132 CPU CE3
CSn
135 CPU CE0
117 CPU OE
I270
118
CPU PROCLK
F 3208
22R
BE_SERIAL
16 B DATA
BE DATA RD
20 B WCLK
BE WCLK
G
17 B BCLK
BE BCLK
BE FLAG 18 B FLAG
19 B SYNC
BE SYNC
21 B V4
BE V4
I233
22 NRSS OUT
Audio / Video
decoder
H
5200 I244
+3V3
100MHZ
I
GNDD
SDRAM Interface
1 2 3
DVDR880-890 /0X1
4 5 6
3205
OPTION
100R 3233
GNDD
3206 10K
100R
GNDD GNDD
GNDD
GNDD
SYSTEM
MEMORY interface PORT 0 I/O
USE
uP ST20cpu
Audio
A/V/Sub
MPEG
Video
DECODER
demultiplexer
Subpicture
2
I S
SDRAM CONTROLLER
ADDRESS DATA
4 5 6
7. EN 129
7 8 9 10
2231
HW version 100n
control
GNDD
+3V3
3209
10K
3216
10K
GNDD
GNDD
PORT 1 I/O PORT 2 I/O PORT 3 I/O PORT 4 I/O
Subpicture
decoder
7204
LF25C
I271
5206
+3V3
100MHZ IN OUT
GND
GNDD
OPTION
7 8 9 10
11 12 13
F265
DCU
GNDD 7
connector
VDD_CORE
+5V
6
5
4
I264 5209
3
VDD_CORE
2
1
FMN
5202
1200 VDD_RGB
5201
VDD_YCC
5203 7203
VDD_PLL LF25C
5204
I266
VDD_PCM
OUT N
I267 GND
GNDD
3224
10K
3225
VDD STI
10K
VDD 125
3202
7202-A
74HCT125D
10K
14
GNDD
2 3
AD ACLK
AE_ACLK
7
GNDD
AE_ACLK_OEn
1
GNDD
I251
VDD PCM
48
VDD_PCM
VSS PCM 49
GNDD
I252
VDD PLL 122
VDD_PLL
I202
JTAG IRQ
VSS PLL 123
GNDD
I218
DAC PCMOUT1 53
I211
DAC PCMOUT2 54
I254 3227
DAC SCLK 51
AC3 I255 22R
DAC PCMOUT0 52 3203
AUDIO
I256 3228 22R
LPCM DAC PCMCLK 55
DECODER DAC LRCLK 56 I257 22R
MPEG1/2 I258
SPDIF OUT 57 3204
100R
ADC SCLK 103 I210 3234-D 4 5
I212
ADC LRCLK 104 3234-C 3 6
KARAOKE I213 3234-B 2 7
ADC DATA 105
106 I217 3234-A 1 8
ADC PCMCLK
GNDD
I260
R OUT 27
I261
G OUT 26
VIDEO 25 I262
B OUT
C OUT 33 I263
ENCODER
I216
CV OUT 34
I224
Y OUT 32
VDD 125
7202-D
74HCT125D
12
ANA_WE_LV
13
GNDD GNDD
GNDD
VDD 125
5208
+5V
100MHZ
1% 1%
GNDD
7202-B
74HCT125D
1%
1%
5
MUTEN_LV
4
GNDD GNDD
GNDD CL 16532145_023.eps
11 12 13
14
1200 A11 5207 A2
2200 C5
5208 H13
2201 C11 5209 A13
2202 A3 5210 A14
2203 I2 5211 A13
2204 B4
5212 A13
2205 B13 7200 C2
2206 B13 7201 A2
2207 B5 7202-A C13
A
2208 B13
7202-B I14
2209 B12 7202-D G14
OPTION
2210 B14 7203 B14
2211 H3 7204 I9
2212 H3
F214 C11
2213 H3 F247 C10
2214 H3 F248 C10
2215 H4 F249 C11
5205
2216 H4
F250 C11
+3V3
100MHZ 2217 H4 F264 C6
B
2218 I10 F265 A11
2219 I9
2220 H8
2221 H9
2222 H9
2223 H9
2224 H10
2225 H10
2226 H10
C 2227 H10
2228 B12
AUDIO_OUT
2229 H13
2230 B13
2231 A10
3200 C5
3201 A4
3202 C12
3203 E13
3204 E13
D
3205 B4
3206 B4
3207 I13
3208 F1
3209 A8
3211 C11
3212 A5
3213 C6
3214 C6
E
3215 B10
3216 B8
3217 C7
3218 C7
3219 B11
3220 B10
3221 B6
4K7
3222 B6
4K7
3223 C7
4K7
F
4K7
3224 C12
3225 C12
VIDEO_OUT
3226 C8
3227 E13
3228 E13
3229 H12
3230 H12
3231 I12
3232 I12
G
3233 B6
3234-A F13
3234-B F13
3234-C F13
3234-D F13
14
11 3235 H8
ANA_WE
3236-A C10
7
3236-B C10
3236-C C10
H
3236-D C10
3237-A C10
3237-B C10
3237-C C10
3237-D C10
3238 B9
3239 C9
3240 B9
3241 C9
14 I 3242 B9
6
3243 C9
MUTEN
3244 B9
7
3245 C9
5200 H2
5201 A13
5202 A13
5203 B13
211101
5204 B13
5205 B14
14
5206 I9