Samsung HPR4272CX/XAC Service Manual page 92

Circuit Description
13-2 Partial Block Description
13-2-1 Main Board
(17)
(4)
(7)
(8)
(20)
(24)
(11)
(14)
(16)
No Loc. No.
(1) TU1002 (DNVS303EH261A)
(2) CN7001 (UMX-NT-043)
(3) IC9001,IC9003 (DTC34LM85AL)
(4) IC9002 (SDP43)
(5) IC7010 (S5H2010A01)
(6) IC6006 (S3C2800X01)
(7) IC5003 (K4D263238E)
(8) IC5004 (STP22)
(9) IC2016 (NSP-6241A)
(10) IC2015 (TAS5122)
(11) IC3002 (3F866B)
(12) IC3003 (P_PCFM_012)
(13) IC2012 (MSP4440K)
(14) IC4005 (SIL9993)
(15) IC4003 (MST9883)
(16) IC3006 (MAX232)
(17) JA9001
(18) CN1002
(19) CN1001
(20) CN1004
(21) 60P CONNECTOR for Debug (Option)
(22) CN2001
(23) CN1003
(24) CN101
13-2
(18)
(3)
(5)
(13)
(12)
(15)
The Main Tuner.
The RF Splitter for selecting Antenna IN 1 or Antenna IN 2.
Converts the digital R, G, B signals from the main board into an LVDS signal and transmits the signal to the PDP Logic board.
The DNIe IC for visual quality improvement.
MPEG Decoder IC.
CPU IC.
SDRAM for STP22.
A Scaler IC that generates the output resolution appropriate to the PDP panel and generates the PIP screen.
Sound PWM IC
Sound AMP IC
Generates various control signals required for operating the circuit. The software is downloaded through PC D-SUB Jack.
The Micom that inputs and outputs various control signals.
Sound Processing IC
Converts the TMDS signal on the HDMI input into 8 bit digital R, G, B signals.
A/D converts the R, G, B input signal from 15 Pin PC video to 8 bit digital R, G, B signals.
RS-232 receiver IC
LVDS Logic Connector
SMPS Connector
SMPS Connector
Function key board Connector
SPEAKER CONNECTOR
POWER&IR BOARD CONNECTOR
SIDE AV BOARD CONNECTOR
(19)
(6)
(9)
(10)
(21)
(22)
Description
(1)
(2)
(23)
Samsung Electronics