Service manual

3-91
Power
Suppl ier
Regulator
EZ1580
HD-1
IC113
+9V
PVR Digital Board
+5V
VSB Chip
LGDT3102
+3.3V
AC-3 Decoder
[STi4600]
+3.3V
Regulator
78R05
+2.5V
System CPLD
[EPM3128A]
PVR CPLD
[EPM3128A]
Audio DAC
[CS4340]
SDRAM
[K4S643232]
SDRAM
[K4S643232]
SDRAM
[K4S643232]
SDRAM
[K4S281632]
SDRAM
[K4S281632]
Flash Memory
[29F323TE]
Flash Memory
[29F323TE]
EEPROM
[24LC2 56]
Video Amp
[TK15420]X2
Audio Amp
[MC33078]x4
CPU
[PPC405GP]
IC100
SDRAM
[K4S643232 ]
I2C Controller
[PCF8584]
HD-1 Memory
System Memory
+5.4V
+3.3V-1
GND
Live_+5V
+5V
+3.3V-1
+3.3V-2
Power_On
GND
+12V
GND
+12V
GND
GND
+5V
Regulator
7809
Regulator
7809
Tuner
TDPC-H901P
PDR-Pro
[LGDT7101]
Volume Cont.
[TDA7440]
IDE-Controller
[Sil0649]
SAW Filter
& RF TR
Down Converter
UPC2798
Digital Encoder
[SAA7120]
SDRAM
[K4S643232]
FIFO
[IDT72V211]
HDD
[ST340810ACE]
+5V
GND
+12V
GND
Video Amp
[CLC5623]x2
+3.3V
MiCOM
[M37272]
Front Board
[Switch/LED]
3.3V TTL
Misc. Logic
Reset IC
[KIA7042]
RF Spliter
[USP-NT-012]
+12V
+3.3V
Front
Board
+12V
+5.4V
+12V
L_5V
+9V
+5V
+5V
+5V
+12V
IC141
IC161
IC149
IC143
IC156
IC144
IC147
IC146
IC155
IC108
IC109
IC104
IC110
IC105
IC106
IC114
IC115
IC116
IC117
IC111
IC128
IC127
IC134
IC163
IC136,137
IC140
IC138
IC139
IC154
IC160
CN100
IC151,152
IC129
IC125,126,131,132
IC164,165
2) POWER BLOCK DIAGRAM