Philips 15MF227B/27 Service Manual page 28

28
TPM1.0U LA
Scaler Schematic Diagram - MT5112 ATSC
Board
1 2
S-A04
A
R250
MT5112_IF_AGC
1K1 1/10W
CLOSE TO MT5112
FAT_IN- C252 10N 50V
B
FAT_IN+ C254 10N 50V
C255 100N 16V
C256 100N 16V
C257
C258 100N 16V 10U 25V
FB251
1 2
DVDD16
600R/200mA BLM18AG601SN1D
C
X250 R262
25MHz 1M 1/10W
D
DV16_DM
FB254 120R/500mA DVDD16
E
1 2
C264
10U 25V
DV33_DM
FB250 DVDD33
1 2
600R/200mA BLM18AG601SN1D
C274
10U 25V
F DV33_DM
FB257 AVDD33
1 2
600R/200mA BLM18AG601SN1D
C281
10U 25V
G
H
1 2
3 4
DVDD33
IF_AGC
C251
47N 16V
ADVDD33_1
76
ADVDD33
77
NC
78
NC
79
AVSS8
AVDD33
80
AVDD8
81
IN-
82
IN+
AVDD33
83
AVDD1
84
NC
85
AVSS1
REFBOT
86
REFBOT
VCMEXT
87
VCMEXT
88
REFTOP
REFTOP
89
AVSS7
90
AVDD18
AVDD33
91
AVDD7
AVDD3
92
AVDD3
C259 AVDD33
93
AVDD6
100N 16V
94
AVSS3
95
AVSS6
XTAL2
96
XTAL2
XTAL1
97
XTAL1
98
AVSS4
AVDD33
99
AVDD4
C260
100
AVSS2
18P 50V
C261
18P 50V
DVDD16
C265 C266 C267 C268 C269
100N 16V 100N 16V 100N 16V 100N 16V
100N 16V C271 100N 16V
Digital 1.8V Bypass Caps
DVDD33
C275 C276 C277 C278 C279
100N 16V
C280 100N 16V 100N 16V 100N 16V 100N 16V
100N 16V
Digital 3.3V Bypass Caps
AVDD33
C282 C283 C284 C285 C250
C286 100N 16V 100N 16V 100N 16V 100N 16V 100N 16V
100N 16V
Analog 3.3V Bypass Caps
3 4
7. Circuit Diagrams and PWB Layouts
5 6 7
DV33
U250
R253
4K7 1/10W
50
NC
49
GPIO1
GPIO_0
48
RESET_
SIF_SCL
47
HOST_CLK
46
DGND18
DVDD16
45
DVDD18
SIF_SDA
44
HOST_DATA
43
DGND33
DVDD33
42
DVDD33
41
DGND18
DVDD16
40
DVDD18
33R 1/10W R254 GPIO_18
39
TS_ERR
33R 1/10W R255 TS0VALID
38
TS_VAL
33R 1/10W R256 TS0CLK
37
TS_CLK
36
DGND33
DVDD33
35
DVDD33
33R 1/10W R257 TS0SYNC
34
TS_SYNC
33R 1/10W R258 TS0DATA0
33
TS_DATA0
33R 1/10W R259 TS0DATA1
32
TS_DATA1
31
DGND18
DVDD16
30
DVDD18
33R 1/10W R260 TS0DATA2
29
TS_DATA2
33R 1/10W R261 TS0DATA3
28
TS_DATA3
27
DGND33
DVDD33
26
DVDD33
MT5112BD
FB252 FB253
AVDD33 AVDD3 AVDD33
C270
100N 16V
1 2 1
600R/200mA BLM18AG601SN1D C262 600R/200mA BLM18AG601SN1D
100N 16V
AVDD33 FB255 AVDD5 AVDD33 FB256
1 2 1
600R/200mA BLM18AG601SN1D C272 600R/200mA BLM18AG601SN1D
100N 16V
5 6 7
8 9
DV33_DM
2,3 DV33_DM
DV16_DM
1 DV16_DM
DV33
2,5,6,7,11,13,14,15 DV33
GND
1,2,3,5,6,7,8,9,10,11,12,13,14,15 GND
IF_AGC
3 IF_AGC
FAT_IN+
3 FAT_IN+
FAT_IN-
3 FAT_IN-
TUNER_SCL
3 TUNER_SCL
TUNER_SDA
3 TUNER_SDA
TS0DATA[0..7]
5 TS0DATA[0..7]
TS0SYNC
5 TS0SYNC
TS0VALID
5 TS0VALID
TS0CLK
5 TSCLK
GPIO_18
5 GPIO_18
SIF_SDA
7,13 SIF_SDA
SIF_SCL
7,13 SIF_SCL
GPIO_0
5 GPIO_0
ADVDD33_1
2
C263
100N 16V
ADVDD33_2
2
C273
100N 16V
CP NR. CL6xxxx
Title
DS 15MF237S MAIN BOARD (MT5112 ATSC)
Size Document Number
E157C2NKA1PMNS (715T2225-1)
C
Date: Nov 29, 2006
8 9
10 11
A
C250 F4
C251 A2
C252 B1
C254 B1
C255 B2
C256 B2
C257 C2
C258 C2
C259 C3
C260 C2
C261 C2
C262 E6
C263 E8
C264 E2
C265 E3
C266 E3 B
C267 E4
C268 E4
C269 E4
C270 E5
C271 E2
C272 F6
C273 F8
C274 F2
C275 F3
C276 F3
C277 F4
C278 F4
C279 F4
C280 F2
C281 F2
C
C282 F3
C283 F3
C284 F4
C285 F4
C286 F2
FB250 F1
FB251 C2
FB252 E6
FB253 E7
FB254 E1
FB255 F6
FB256 F7
FB257 F1
R250 A2
R251 A4
R252 A4
D
R253 B6
R254 B7
R255 C7
R256 C7
R257 C7
R258 C7
R259 C7
R260 C7
R261 C7
R262 C2
R263 D5
R264 D5
R265 D5
R266 D5
U250 B3
E
X250 C2
F
G
H
Rev
1
Sheet 4 of 15
10 11