Daewoo DVDP485 Service Manual page 9

5
+3.3V
R1 4.7K SA16
R2 4.7K SA17
R3 4.7K SA18
R4 4.7K SA19
R5 10K I2C_SDA
R6 10K I2C_SCK
R7 10K /PSEN
D
P5.0
P5.0
P5.0
STANDBY
C
RF_SDEN
RF_SDEN
RF_SDA
RF_SDA
RF_SCK
RF_SCK
R12
+3.3VS
RFO C11 102P
RFO
RFVT
LEI
LEI
FEI R13 4.7K
FEI
TEI R14 3.3K
TEI
MIRR
MIRR
SBAD
SBAD
MVREF2
CD_DVDSW C13 C14 C15
TRAYOPEN
TRAYOPEN
DGND
YM1
104P 102P 102P
C12 10P
C17 10P
27M
DGND
OSC_O
C18 10OP
DGND
L2 10uH OSC_I
MOCTL-
MOCTL-
+3.3V
R19 10K
LDON
LDON
SSPDON
SSPDON
HOMESW
HOMESW
OUTSW
OUTSW
INSW
INSW
TRAYCLOSE
TRAYCLOSE
R21
B
4.7K
RFVT R24 0 D2 D3 R25
RLS4148 RLS4148
C22 104P
SFOCUS
R26
SFOCUS
STRACK R27
STRACK
SSLED
R30
SSLED
SMOTOR R31
SMOTOR
C24 C25 C26 C27
Value Table:
DV34 HOP-1250 220P 220P 392P 104P
C26 392P 103P
R30 15K 5.1K
SGND
+3.3VS +3.3V
(181)
C28 EC5 C29 C30 C32 C33 C34 C35
+
104P 10u/16V 104P 104P 104P 104P 104P 104P
A
SGND
+1.8V
EC7 C41 C42 C43 C46
+
47u/16V 104P 104P 104P 104P
5
4
/FWR
/PSEN
RXD
TXD
IR_INT
VFD_CS
I2C_SCK
I2C_SDA
+3.3V
+1.8V
157
T2EX/P1.1
158
RXD2/P1.2
159
TXD2/P1.3
160
VSS
161
INTS/GPA7/P1.4
162
VDD
163
P1.5
164
P1.6
165
P1.7
166
VSSP
167
GPA3
168
GPA2
169
VDDP
170
GPA1
171
GPA0
172
C2POI/SMS3
173
CDWSI/SMS2
174
CDSDI/SMS1
175
CDCLKI/SMS0
176
D_REQI/SDEN/GPB9
177
D_ACKI/SDATA/GPB10
178
D_STCI/SCLK/GPB11
150
179
RFVT
180
RFIN
181
+3.3VS AVDD
182
LE
183
FE
184
TE
185
RFENV
186
FS
187
SRVM
C16
188
FODAC
189
TRDAC
190
AVSS
191
D_SYNCI/SMA/SLPWM
104P
192
SPDPWM
193
VSS
194
D_ERRORI/SMB/GPB8
195
DVDI7/TRAYPWM/GPB7
196
VSSP
197
OSCO
198
OSCI
199
VDDP
200
DVDI6/SPDFG/GPB6
201
VDD
202
DVDI5/LDON/GPB5
203
DVDI4/MTRSTBY/GPB4
204
DVDI3/SLHOME/GPB3
205
DVDI2/TRAYOUT/GPB2
206
DVDI1/TRAYIN/GPB1
207
DVDI0/TRAYCLOSE/GPB0
208
VLFM
R22
C21
104P
1M
0
30K
30K
15K L5
10K
EC4 C23
SGND
L6
FB600 FB600 104P
+1.8V
47u/16V
DGND
C36 C37 C38
104P 104P 104P
DGND
C47 C48 C49
104P 104P 104P
DGND FVCC
4
3
C3
GPA5/Vsync/D_ERROR/C2PO
GPA4/Hsync/D_SYNC/CDWS
ACLK/DVD_STC/CDCLK
PCMCLK/DVD0
PCMWS/DVD5
PCMSD0/DVD1
PCMSD1/DVD2
PCMSD2/DVD3
PCMSD3/DVD4
SPDIF/DVD6
ADCCLK/DVD7
ADCWS/D_ACK/CDSD
MIC_SD/D_REQ
RN1
RN 33
33
DGND
U5 +3.3V
EC8 C50 C51 C52 C53 C54
+
EACH POWER PIN -- A BYPASS CAPACITOR
47u/16V 104P 104P 104P 104P 104P
W986416DH
DGND
EC9
10u/16V DGND
3
2
U1
8
VCC
7
MODE
I2C_SCK
6 1
SCL E0
2
E1
I2C_SDA
5 3
SDA E2
4
VSS
24C02/SOP
SCART_SW
SCART_SW
SCART_TV
SCART_TV
SCART_RGB
SCART_RGB
/RD
/WR
47P
ALE
+3.3VV
P4.3
L1 FB600
+3.3V
C4 C6 C7 EC1
+ EC2
10u/16V
104P 104P 104P 100u/16V
U3
CT908
VGND
C9 104P
104
VREF
R11 68
103
FSADJ
C10 104P
102
COMP +3.3VV
101
AVDD
100
AVO0
99
AVSS
98
AVDD
97
AVO1
96
AVSS
95
AVDD
94
AVO2
93
AVSS
92
AVDD
91
AVO3
90
AVSS
89
P4.4
88
P4.5
87
P4.6
86
P4.7
85
P5.0 P5.0
84
P5.1
83
VDD
82
P5.2
81
VSS
80
P5.3
79
P5.4
78
P5.5
77
P5.6 P5.6
76
P5.7
75
74
73
VDDP
R15 0
72
71
VSSP
70
69
68
67
66
R17 33
65
64
VDD
63
62
VSS
R18 NU
61
60
59
VDD
58
57
RESET
56
EMU
L3 FB600
55
AVDD18 +1.8V
54
AVSS
EC3
53
VLFA
C19 C20
+
104P 104P 47u/16V
L4 FB600
DGND
DGND
VDD +3.3V Flash_power
R207 0
R206 NC
2
1
VDD
VDD VFD PANEL
J1
C1 C2 R187
5SB
1
10K
SBY 2
104P 104P I2C_SDA
3
I2C_SCK
4
VFD_CS
5
IR_INT
6
7
DGND
8
AC2 9
AC1
10
DGND
-22V 11
11PIN,2.0mm
VDD
R8
/RESET
10K R9 100 /uPRST
3
C8
2
Q1 C150 CLOSE TO CT908 VDD
1
2N9014 100P
R10
D1 4 HEADER
5.1K
IN4148
1
TXD
2
DGND RXD
3
4
DGND
JP1
DGND
CVBS1/Y
CVBS1/Y
Y/Cb
Y/CB
C/Cr
C/CR
CVBS2
CVBS2
MIC_MUTE
MIC_MUTE
/ADC_RST
/ADC_RST
ADAC_CS0
ADAC_CS0
ADAC_CS1
ADAC_CS1
ADAC_SCK
ADAC_SCK
ADAC_SDA
ADAC_SDA
IO_MUTE
VSYN
VSYN
HSYN
HSYN
ACLK
ACLK
PCMCLK
PCMCLK
PCMWS
PCMWS
PCMSD0
PCMSD0
PCMSD1
PCMSD1
PCMSD2
PCMSD2
PCMSD3
PCMSD3
SPDIF+
SPDIF+
ACLK
ADC_SDA
ADC_SDA
/uPRST
R23
10K
Flash_power
DGND
R28 R29
10K 10K
DGND
U4
W28J800B/T
W28J800B/T
Flash_power
C39 104P
DGND
Hiteker
Title
CT908 - SINGLE CHIP DVD SOLUTION
Size Document Number Rev
CT908.SCH
Date: Monday, December 08, 2003 Sheet 2 of 4
1
D
C
B
A
1.0