Philips PET741/37 Service Manual page 17

7.0 ELECTRICAL DIAGRAM
CIRCUIT DIAGRAM-MT1389
V20 V1P4
CB1 C23
+ +
EC11 EC12
0.1uF 10uF/10V0805 0.1uF 10uF/10V0805
RF Reference
89L_3V3 DV33
AVCC
100k
R53 R54 10k
Q11
3904 R55 10k IOA
100k
_4
_1 1 1 R57
Q12 Q13
2SK3018 2SK3018
L23 AVCC
FB
R60 R61
C55 + EC17
0 0 0.1uF 100uF/10v
1
HITACHI 1200X Very Important to
HA1
reduce Noise
24 GND-LD
23 DVD-LD 24
22 NC 23 LD-DVD
C116
21 HFM 22
AVCC1 L25
20 MD 21
19 CD-LD 20 MDI1 0.1uF
VR-DVD LD-CD 10uH
18 19
17 VR-CD 18
LDO_DVD
16 NC 17
Q14
15 E 16
E 2
14 Vcc 15
Q15
AVCC1
13 Vc(Vref) 14
12 GND-PD 13 V20 C63 0.1uF 8550 EC18
11 F 12
47uF/16V
F L26 R67 6.8
10 B/b 11
B 10uH 3906
9 A/a 10
R70 6.8
8 RF 9 A
CD/DVD SW RFO
7 8
Q16
IOA + EC19
6 D/d 7
5 C/c 6 D C117
Q17 47uF/16V
4 T- 5 C
T- 0.1uF
3 T+ 4 2
T+ 3906
2 F+ 3
1 F- 2 F+
8550
1 F- LDO_CD
HEADER 24 SMD0.5 TOP
2
C
1 3
B C E
2SB1132
+5V
L27 FB600R
DV33 MO_VCC
NC
L28
DV33 MO_VCC
T+ F-
R84 R85 T- F+ R86 R87
1 1 1 1
U5
15 14
VOTK+ VOFC+
16 13
VOTK- VOFC-
SL+ SP-
17 12
VOLD+ VOSL+
SL- SP+
18 11
VOLD- VOSL-
19 10
MO_VCC PGND PGND
20 9
VNFTK PVCC1
21 8
PVCC2 VCC
30 29
G2 G1
R92 10k
22 7
PREGND VNFFC
FMSO 23 6
VINLD VOSL
R94 20k 24 5
CTK2 VINSL-
V1P4
25 4
CTK1 VINSL+
TRSO
26 3
VINTK CF2
C77 150pF V1P4 27 2
BIAS CF1
C79 STBY FOSO
28 1
STBY VINFC
0.1uF
C80
BA5654
R99 C82 + EC21
0.1uF
10k 0.1uF 470uF/6.3V
C39
120pF
RFV18-1
OP+ R35 0
OP- R39 0R
U4
C R43 0 1
RFA
B R44 0
2
RFB
A R45 0
3
RFC
D R46 0 4
RFD
F R47 0 5
RFE
E R49 0
6
RFF
RFV18-2
7
RFV18-2 AVDD18
RFVDD3 8
RFVDD3
AVDD33
XI
9
XTALI
XO
10
XTALO
11
AGND
V20 12
V20
V1P4
13
V14 MT1389L
R51 15k
14
REXT
MDI1 15
MDI1
R52 0R MDI2 16
LQFP 128
MDI2
LDO_CD
17
LDO1
LDO_DVD
18
LDO2 Portable
AVDD33 19
AVDD33
AVDD33
DMO 20
DMO V1.0
FMO
21
FMO
STBY 22
TRAY_OPEN
IOA 23
TRAY_CLOSE
TRO
24
TRO
FOO
25
FOO
OPO R56 0R FG 26
FG / GPIO2
27
USB_DP
28
USB_DM
29
USB_V33
30
USB_GND
R58 5.1k
31
PAD_VRT
32
USB_V18
IO
R64 0
BL_EN
Low_Voltage_Det
IN4148
D13
FOSO FOSO FOSO FOSO FOSO FOSO R66 27k
R65
2 1 2 TRSO TRSO TRSO TRSO TRSO TRSO R68 18k
FMSO FMSO FMSO FMSO R69 15k
10k
DMSO DMSO DMSO DMSO DMSO DMSO R71 10k
RFV33 C64 C65 C66 C67
R72 33k
RFV33
330pF 330pF 0.1uF 0.015uF
R73
2
10k V1P4
+ EC20
100uf/10V
OP-
C68
R74
10k OP+
0.1uF
R77
R75
0
10k
HA2
2x1
SP- R80 1R SP-A 4
SP+ 3 2
LIMIT 1
2
1
HA3
4x1
R89
10K
DV33
MO_VCC
R93 20k
DMSO
2
C
1 3
R96 20k
B E
2N3904
BC847B
C78 150pF
2
C
R98
1 3
B E
15K
2N3906
R1003.3K
R0402
2
D
1 3
G S
R101
2SK3018
5.6K
R0402
89L_3V3
L10 FB RFVDD3
C24 C25
10uF/10V0805 0.1uF
L15 FB AVDD33
C32
C34 0.1uF
10uF/10V0805
V33
L18 2K2 CPH1
C47 R40
0.1uF 560R 1%
C33
0.1UF
89L_3V3
V18
96 OEV
VOE/GPIO15
CKV
95
VCK/GPIO14
STVL
94
VSTU / GPIO13
GPIO12
93
SPDIF / GPIO12
92 GPIO11 GPIO11 R48 0R
HSTR / GPIO11
TxD
91
LR / GPIO10
90
DVDD18
RxD
89
UD / GPIO9
GPIO8 GPIO8 R50 0 LIMIT
88
VSTD / GPIO8
GPIO7
87
GPIO7 / CKE
MA3
86
RA3
85 MA2
RA2
84
DVDD33
MA1
83
RA1
82 MA0
RA0
81 MA10
RA10
80
BA1
79
DVSS18
78 BA0
BA0
77 RAS#
RAS#
CAS#
76
CAS#
75 WE#
RWE#
74 MA4
RA4
MA5
73
RA5
MA6
72
RA6
71 MA7
RA7
70 MA8
RA8
MA9
69
RA9
68
DVDD33
67
RA11
DCLK
66
RCLK
DQM1
65
DQM1
MT1389L/SMD
LQFP128/SMD
89L_3V3 V18
FOO
TRO
FMO
J5
DMO
K1
1
K2 2
K3
3
K4
4
5
5x1
OP-
2
V33
89L_3V3
3
R76 0R
1
D14
C57 C58 C59
BAT54C
OPO
0.1uF 0.1uF 0.1uF
V18
SL-
SL+ C60 C61 C62
0.1uF 0.1uF 0.1uF
DV33
R97 D15 R95
3.3K 22K
NC
URST#
Q18
EC22 C81
3904
+
Closed to
1uF
Q19
22UF/25V IC's pin
3904
SOT23
RESET Circuit
V18 89L_3V3
150uH
L11 FB RFV18-1 L12
RFVDD3 RFV18-1
C26 L13 600R
0.1uF
L14 FB
L16 FB RFV18-2 EC13 C27 C28
+
AVDD33 RFV18-2
10uF/10V0805
C35 0.1uF 0.1uF
0.1uF
IR1
TRAY SW
100k
R28
TRIN
Y1
R29 0
XI XO
IR
C30 27MHz C31
27PF 27PF
C36
33pF
CRYSTAL CIRCUIT
SD33
TRIN
89KP_R
C21
R27
100pF
150
GPIO19 R36 2.2K K1 89KP_G
GPIO21
R37 2.2K C37
R30
GPIO7 R41 2.2K K3
100pF
150
GPIO12
R42 2.2K K4
89KP_B
R38
150
J9
DV33
1
1
+5V
2
2
L22 FB600
VGL
3
3
VGH
4
4
1389_EN
5
5
R63 FB800
IO2
6
6
R62 FB800
IO1
7
7
R59 FB800
C126 C117 C116 C91 C16 C54 C56 EC18
+
104P 104P 104P 104P 104P 104P 104P 47uF/10V
J8
14
13
R79 0
12
R81 0
11
R82 0
10
R83 0
9
R88 0
8
7
R90 0
6
5
R91 0
4
3
2
1
C76 C75 C73 C74 C72 C71 C70
560PF NC 560PF 560PF 560pF 27pF 560pF
ADACVDD
ADACVDD
APLLVDD3
APLLVDD3
DACVDD3
DACVDD3
C29
0.1uF
R78 10k
V33
SW1
1 2
4 3
L9 1.8uH
TFT_R
C22
100pF
L17 1.8uH
TFT_G
C38
100pF
L19 1.8uH
TFT_B
C45 C46
100pF 100pF
STVL
CKV
OEV
OEH
STHL
CPH1
89KP_VCOM
TFT_G
TFT_B
TFT_R