Philips PET702 Service Manual page 22

7.0 Electrical Diagram - Main board
5
V18
89L_3V3
L18 FB RFVDD3 L19 FB
RFVDD3
C39 C40
10uF/6.3VSMD 0.1uF
L24 FB AVDD33 L25 FB
AVDD33
C48
C49 0.1uF
10uF/6.3VSMD
D
RFV33
89L_3V3 DV33
AADVDD
AADVDD
C60
6800pF
R46 100k R47 10k
Q12
3904 R50 10k
_1 _4 R51 100k
1 1
Q13 Q14
2SK3018 2SK3018
L29
FB
R58 R59
C C68
0 0 0.1uF
HA1 C69 NC C70 NC Very Important to
HITACHI 1200X
reduce Noise
24 GND-LD 24
23 DVD-LD 23 LD-DVD
22 NC 22
21 HFM 21 AVCC1
20 MD 20 MDI1
19 CD-LD 19 LD-CD
18 VR-DVD 18 L30
17 VR-CD 17 10uH
16 NC 16 Q15
15 E 15 E 2SB1132
14 Vcc 14 AVCC1 2
13 Vc(Vref) 13 V20 C71 0.1uF
12 GND-PD 12
11 F 11 F
B/b
10 10 B L31 R66
A/a
9 9 A 10uH
RF
8 8 RFO R67
CD/DVD SW
7 7 IOA
D/d D
6 6
5 C/c C Q16
5
4 T- T- 2SB1132
4
3 T+ T+
3 2
2 F+ F+
2
1 F- F-
1
HEADER 24 SMD0.5 TOP
1
VCC MO_VCC
L32 FB
B VCC MO_VCC
T+ F-
R70 R71 T- F+
1 1
U4
15 14
VOTK+ VOFC+
16 13
VOTK- VOFC-
SL+
17 12
VOLD+ VOSL+
SL-
18 11
VOLD- VOSL-
19 10
PGND PGND
MO_VCC
20 9
VNFTK PVCC1
21 8
PVCC2 VCC
30 29
G2 G1
22 7
PREGND VNFFC
FMSO 23 6
VINLD VOSL
R80 20k 24 5
CTK2 VINSL-
25 4
CTK1 VINSL+
TRSO 26 3
VINTK CF2
C83 150pF V1P4 27 2
BIAS CF1
C86 STBY 28 1
STBY VINFC
0.1uF
BA5954
R83 C88
10k 0.1uF
A
删除
OPU Protection
5
4
89L_3V3
RFV18-1 L20 150uH ADACVDD
RFV18-1
C41 L22 NC APLLVDD3
0.1uF
L23 FB DACVDD3
RFV18-2 EC23 + C43 C44 C45
RFV18-2
10uF/6.3VSMD
C50 0.1uF 0.1uF 0.1uF
0.1uF
OP+用PIN127 R28 为0R，R29NC
AVCC
IOA
C R52 0
AVCC B R53 0
A R54 0
D R55 0
F R56 0
+ EC27 E R60 0
RFV18-2
RFV18-2
100uF/10v RFVDD3
RFVDD3
XI
XO
V20
V1P4
R62 15k
MDI1
R63 0R MDI2
LDO_CD
LDO_DVD
AVDD33
AVDD33
DMO
FMO
STBY
IOA
LDO_DVD TRO
LIMIT R64 NC FOO
EC28 OPO R65 0R FG
47uF/16V
OPO 用GPIO2 R56 为0R，R55NC
4.7
4.7 R68 5.1k
RFV33
C72 NC
EC29
+
47uF/16V
LDO_CD
C 2
89L_3V3
1 3
B C E
2SB1132
R69
10K 调整IO
BL_EN
MUTE_DAC
Low Voltage Det
R72 R73
1 1
SP-
SP+
MO_VCC
R78 10k R79 20k
DMSO
V1P4
R81 20k
C85 2200pF/NC
FOSO C84 150pF
C87 OPEN
R82 680K/NC OPO
+ EC30
C89
R84 10k
100uF/6.3V
0.1uF
R88
R86
0
10k
R89
NC
C 2
HA3
SP- R91 1R SP-A
1 B E 3 4
SP+
2N3904 3
LIMIT R92 0
BC847B 2
1
2
C
4x1
1 3
B E
2N3906
R93
10K
D 2
DV33
1 G S 3
2SK3018
4
3
V20 V1P4 DV33
CB1 + C38 +
ADACVDD
EC21 EC22
0.1uF 10uF/16VSMD 0.1uF 10uF/16VSMD
APLLVDD3
R32
DACVDD3
10
RF Reference
C54
120pF/NC
UP1_6
UP1_7
RFV18-1
OP+ R40 0 L28 2K2
OPO R41 NC
OP- R44 0R C61
0.1uF
U3
1
RFA VOE/GPIO15
2
RFB VCK/GPIO14
3
RFC VSTU / GPIO13
4
RFD SPDIF / GPIO12
5
RFE HSTR / GPIO11
6
RFF LR / GPIO10
7
AVDD18 DVDD18
8
AVDD33 UD / GPIO9
9
XTALI VSTD / GPIO8
10
XTALO GPIO7 / CKE
11
AGND RA3
12
V20 RA2
13
V14 MT1389L DVDD33
14
REXT RA1
15
MDI1 RA0
16
LQFP 128
MDI2 RA10
17
LDO1 BA1
18
Portable
LDO2 DVSS18
19
AVDD33 BA0
20
V1.0
DMO RAS#
21
FMO CAS#
22
TRAY_OPEN RWE#
23
TRAY_CLOSE RA4
24
TRO RA5
25
FOO RA6
26
FG / GPIO2 RA7
27
USB_DP RA8
28
USB_DM RA9
29
USB_V33 DVDD33
30
USB_GND RA11
31
PAD_VRT RCLK
32
USB_V18 DQM1
MT1389L/SMD
LQFP128/SMD
89L_3V3 V18
FOSO FOSO FOSO FOSO FOSO FOSO
TRSO TRSO TRSO TRSO TRSO TRSO
FMSO FMSO FMSO FMSO
DMSO DMSO DMSO DMSO DMSO DMSO
C79 C80 C81
330pF 330pF 0.1uF
OP-
OP- 2
DV33
OP+ 3
R87
1
0R D11
C91
BAT54C
2200pF/NC OPO
Break circuit
Old New
R84 10K
150K
R86 150K 10K
R87 NC 0R
0.1uF
C90 NC
C89 NC 0.1uF
D11 NC BAT54C
3
2 1
IR1 IR
XI
R33 10 IR C46
22pF
C51
100pF
DV33
R38 0R SCL
R39 0R SDA
CPH1
GPIO19 R42 0 K1
GPIO21 R43 0 K2
R45
GPIO7 R48 0 K3
560R 1%
GPIO12 R49 0 K4
89L_3V3
V18 DV33
RFV33
V18
VCC
OEV AVCC
96
CKV
95
STVL URST#
94
GPIO12
93
GPIO11 GPIO11 R57 0R TRIN Low Voltage Det
92
TxD
91
90
RxD
89
GPIO8 GPIO8 R61 0 LIMIT DCLK
88
GPIO7 CAS#
87
MA3 RAS#
86
85 MA2 WE#
84
83 MA1 BA0
82 MA0 BA1
81 MA10
80 BA1 MA[0..11]
79 DQM[0..1]
78 BA0 DQ[0..15]
77 RAS#
J6
76 CAS#
75 WE# K1 1
74 MA4 K2 2
73 MA5 K3 3
K4
72 MA6 4
71 MA7 5
70 MA8 SF_CK
69 MA9 SF_CS
5x1
68 SF_DI
DIP5-1.25
67 MA11 SF_DO
66 DCLK
DQM1
65
SCL
SDA
89L_3V3
CVBS
C73 C74 C75
0.1uF 0.1uF 0.1uF AOUT_L
AOUT_R
V18 MUTE_DAC
C76 C77 C78
STVL
0.1uF 0.1uF 0.1uF CKV
OEV
R74 20k FOO OEH
R75 18k TRO STHL
R76 15k FMO CPH1
R77 10k DMO 89KP_VCOM
C82 89KP_R
89KP_G
0.015uF 89KP_B
V1P4 BL_EN
RS-232
2x1
DV33
2 SL- J7
1 SL+ 1
RxD 2
HA2 TxD 3
4
4x1
TRAY SW
TRIN R90 10k
DV33
SW1
1 2
4 3
2 1
R31 100k
Y1
XO
27MHz C47
22pF
D
CRYSTAL CIRCUIT
POWER
DV33 1,3
RFV33 1
V18 1
VCC 1,4
AVCC 1
URST# 1
Low Voltage Det 1
C
DCLK 3
CAS# 3
RAS# 3
WE# 3
BA0 3
BA1 3
MA[0..11] 3
DQM[0..1] 3
DQ[0..15] 3
DRAM
SF_CK 3
SF_CS 3
SF_DI 3
SF_DO 3
S-FLASH
SCL 3
SDA 3
IIC
CVBS 4
VIDEO INTERFACE
B
AOUT_L 4
AOUT_R 4
MUTE_DAC 4
AUDIO INTERFACE
STVL 1
CKV 1
OEV 1
OEH 1
STHL 1
CPH1 1
89KP_VCOM 1
89KP_R 1
89KP_G 1
89KP_B 1
BL_EN 1
PANEL I/F
A