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5 4 3 2 1
CT908 ---- SINGLE CHIP DVD SOLUTION
Designed for Dolby 5.1 channel Certification
D D
With YUV & RGB & P_SCAN Analog Video Output
CHEERTEK-ROADWELL
CT908
RF POWER&AUDIO
STANDBY
RFO STANDBY STANDBY
RFO RFO SCART_SW
SCART_SW SCART_SW
C C
LDON SCART_TV
LDON LDON SCART_TV SCART_TV
SCART_RGB
RF_SDEN SCART_RGB SCART_RGB
RF_SDEN RF_SDEN
CVBS1/Y
CVBS1/Y CVBS1/Y
RF_SCK CVBS2
RF_SCK RF_SDA RF_SCK CVBS2 CVBS2
RF_SDA LEI RF_SDA Y/CB
LEI FEI LEI Y/CB Y/CB
FEI FEI C/CR
CD_DVDSW C/CR C/CR
CD_DVDSW CD_DVDSW MIC_MUTE
TEI MIC_MUTE MIC_MUTE
TEI TEI /ADC_RST
SBAD /ADC_RST /ADC_RST
SBAD MIRR SBAD ADAC_CS0
MIRR MIRR ADAC_CS0 ADAC_CS0
SFOCUS ADAC_CS1
SFOCUS SFOCUS ADAC_CS1 ADAC_CS1
SSLED ADAC_SCK
SSLED SSLED ADAC_SCK ADAC_SCK
SSPDON ADAC_SDA
SSPDON SSPDON ADAC_SDA ADAC_SDA
STRACK VSYN
STRACK STRACK VSYN HSYN VSYN
SMOTOR HSYN HSYN
SMOTOR SMOTOR ACLK
ACLK ACLK
TRAYOPEN PCMCLK
TRAYOPEN TRAYOPEN PCMCLK PCMCLK
TRAYCLOSE PCMWS
TRAYCLOSE TRAYCLOSE PCMWS PCMWS
MOCTL-
MOCTL- MOCTL-
B B
OUTSW SPDIF+
OUTSW OUTSW SPDIF+ PCMSD0 SPDIF+
INSW PCMSD0 PCMSD1 PCMSD0
INSW INSW PCMSD1 PCMSD2 PCMSD1
HOMESW PCMSD2 PCMSD3 PCMSD2
HOMESW HOMESW PCMSD3 ADC_SDA PCMSD3
ADC_SDA ADC_SDA
CT908&MEMORY
SP3721&MOTO DRIVER POWER&AUDIO DAC
A A
REVISION TABLE TITLE: VER: 1.8B SIZE: A4
SCHEMATIC 1.0 MODEL: DVD224 DATE: 13/3/2004
DRAWN SHEET 1 OF 4
LAYOUT 1.0
CHECKED
APPROVED
5 4 3 2 1
5 4 3 2 1
VDD VFD PANEL
+3.3V VDD
U1
R1 4.7K SA16 8 J1
VCC C1 C2 R187
7 5SB
SA19
MODE 1
SA18
SA17
SA16
R2 4.7K SA17 I2C_SCK
SA7
SA6
SA5
SA4
SA3
SA2
SA1
SA0
6 SCL E0 1 10K SBY 2
SA15
SA10
SA14
SA13
SA12
SA11
2 104P 104P I2C_SDA
SA9
SA8
R3 4.7K SA18 I2C_SDA E1 I2C_SCK 3
5 SDA E2 3 4
4 VFD_CS
R4 4.7K SA19 VSS IR_INT 5
24C02/SOP 6
SD7
SD6
SD5
SD4
SD3
SD2
SD1
SD0
R5 10K I2C_SDA SCART_SW DGND 7
/FWR SCART_TV SCART_SW 8
SCART_RGB SCART_TV AC2 9
R6 10K I2C_SCK /PSEN
/RD SCART_RGB AC1 10
DGND
RXD -22V 11
R7 10K /PSEN
TXD 11PIN,2.0mm
/WR
D IR_INT C3 47P D
VFD_CS ALE
I2C_SCK
I2C_SDA +3.3VV
P4.3
L1 FB600 VDD
+3.3V R8
+1.8V +3.3V
C4 C6 C7 EC1
+ EC2 10K R9 100 /uPRST
3
33uF/16V
2 C8
104P 104P 104P 100u/16V Q1 C150 CLOSE TO CT908 VDD
156
155
154
153
152
151
150
149
148
147
146
145
144
143
142
141
140
139
138
137
136
135
134
133
132
131
130
129
128
127
126
125
124
123
122
121
120
119
118
117
116
115
114
113
112
111
110
109
108
107
106
105
R10 2N9014 100P
U3 D1 4 HEADER
1
5.1K
CT908 IN4148
T2/P1.0
RD/P3.7
WR/P3.6
T1/P3.5
T0/P3.4
INTM/GPA6/P3.3
INT0/P3.2
TXD1/P3.1
RXD1/P3.0
SD7/P0.7
SD6/P0.6
SD5/P0.5
VDD
SD4/P0.4
SD3/P0.3
SD2/P0.2
SD1/P0.1
SD0/P0.0
PSEN
SA9/P2.1
SA8/P2.0
FWR
SA7
SA6
SA5
VDD
SA4
SA3
SA2
SA1
SA0
VDDDAC
VSSDAC
AVDDref
VDDP
VSSP
VSS
ALE
SA15/P2.7
SA14/P2.6
SA13/P2.5
SA12/P2.4
SA11/P2.3
SA10/P2.2
VSSP
VSS
BSA16/P4.0
BSA17/P4.1
BSA18/P4.2
BSA19/P4.3
VDDP
AVSSref
TXD 1
VGND DGND RXD 2
3
C9 104P 4
157 T2EX/P1.1 VREF 104
158 103 R11 68 DGND JP1
RXD2/P1.2 FSADJ C10 104P
159 TXD2/P1.3 COMP 102 +3.3VV
160 101 DGND
VSS AVDD CVBS1/Y
161 INTS/GPA7/P1.4 AVO0 100 CVBS1/Y
162 VDD AVSS 99
P5.0 163 P1.5 AVDD 98
164 97 Y/Cb
P5.0 P1.6 AVO1 Y/CB
P5.0 165 P1.7 AVSS 96
166 VSSP AVDD 95
167 94 C/Cr
STANDBY GPA3 AVO2 C/CR
168 GPA2 AVSS 93
169 VDDP AVDD 92
170 91 CVBS2