Hisense PDP4220EU Manual de usuario
1
PDP4220EU
SERVICE MANUAL
(V1.0)
12, 2005
CONTENTS
SAFETY PRECAUTION……………………………………………………………..3
PRODUCT SAFETY NOTICE……………………………………………………….3
SPECIFICATIONS……………………………………………………………… .… 4
MAIN SPARE PARTS…………………………………………………………… … 5
BLOCK DIAGRAM…………………………………………………………………. 6
FUNCTION OF CONJUNCTIONS………………………………………………… 7
SIGNAL DIAGRAM……………………………………………………………… … 10
AUDIO DIAGRAM……………………………………………………………….. …. 11
TROUBLE SHOOTING…………………………………………………………….. 12
SOFTWARE UPDATING…………………………………………………………… 15
STAND INSTALLATION……………………………………………………………. 16
PDP WALL-MOUNTING GUDIE……………………………………………………17
SERVICE MODE MENU……………………………………………………………. 19
PDP4220EU CIRCUIT DIAGRAM…………………………………………………. .21
PDP4220EU BOM LIST………………………………………………………………40
2
3
SAFETY PRECAUTION
WARNING:
Service should not be attempted by anyone unfamiliar with the necessary precaution on thisreceiver. The following
are the necessary precautions to be observed before servicing this chassis.
1. When replacing a chassis in the cabinet, always be certain that all the protective devices are put back in place,
such as: non-metallic control knobs, insulating covers, shields, isolation resistor-capacitor network etc.
2. When replacing parts or circuit boards, disconnect the power cord.
3. When replacing a high wattage resistor (oxide metal film resistor) on the circuit board, keep the resistor 10mm
(1/2in) away from circuit board.
4. Connection wires must be kept away from components with high voltage or high temperature.
5. If any fuse in this TV receiver is blown, replace it with the FUSE specified in the chassis parts list.
PRODUCT SAFETY NOTICE
Many electrical and mechanical parts in the chassis have special safety-related characteristics.
These characteristics are often passed unnoticed by a visual inspection.
Replacement parts, which have these special safety characteristics are identified in this manual and its supplement
electrical components having such features are shaded on the schematic diagram and the parts list.
Before replacing any of these components, read the parts list in this manual carefully. The use of substitute
replacement parts, which do not have the same characteristic as specified in the parts list may create shock, fire or
other hazards.
CAUTION: BEFORE SERVICING THE CHASSIS, READ THE “SAFETY
PRECAUTION” “PRODUCT SAFETY NOTICE”ON PAGE 1 OF THIS
MANUAL.
4
5
Main Spare Parts
Name Type Part No.
1 Speaker set YD70E-10W16R-B 1021554
2 Speaker set YDQG20-10W8R-B 1021555
3 STAND MODULE PART FF-B12 108214
4 AUDIO MODULE PART
WT2.908.1208 106642
5 main board module WT2.908.1207 106640
6 PORT module PART WT2.908.1209 106644
7 EMI FILTER GLASS 42X20\JK 1024103
8 TUNER PORT KP0178 1004482
9 FRONTCABINET
MODULE PART WTG6.179.222 106655
10 PDP MODUEL PDP42V74010 1030445
11 LVDS LINE HX-5041B400(B) 1025703
12 Remote control EN-20515B 1023570
6
BLOCK DIAGRAM
XPV02
POWER SWITCH BOARD .632
XPV01
CN8600
CN8611 CN506
JA700 JA400 JA402 JA401
JA108 JA107
REMOTE CONTROLL .630
J110
XP110 KEY BOARD .631
MAIN BOARD.515A
AUDIO BOARD .516A
CN401 CN402
P801 P804 P803 P809 P802 CN101
CN404
7
FUNCTION OF CONJUNCTIONS
P801-----CN8611
ITEM NAME FUNCTION
1 ACD
2 RLY_ON HIGH LEVEL
3 5VSTB
4 GND
5 VSON HIGH LEVEL
6 5VD
7
P804---CN8600
ITEM NAME FUNCTION
1 9VSC no use
2 9VSC no use
3 GND
4 5VSC SIGNAL POWER
5 5VSC SIGNAL POWER
6 5VSC SIGNAL POWER
7 GND
8 GND
9 GND P803---JA401
ITEM NAME FUNCTION
1 5VSC NO USE
2 5VSC NO USE
3 5VSC NO USE
4 GND
5 GND
6 GND
7 12VSC MSP3410, TA8851, TDA7053
8 12VSC MSP3410, TA8851, TDA7053
9 GND
10 GND
11
12
8
P809---JA402
ITEM NAME FUNCTION
1 9VSC TUNER POWER
2 GND
P802---JA400
ITEM NAME FUNCTION
1 30 OR 24V TA8200 POWER 30V
2 30 OR 24V TA8200 POWER 30V
3 GND
4 GND
CN401-JA108
ITEM NAME FUNCTION
1 I/O No use
2 GND
3 MUTE Control TA8200 mute
4 VOL Control TDA7053 PWM
5 C_P No use
6 GND
7 GND
8 Y_P
9 Y_M S-VIDEO Y SIGNAL
10 C_M S-VIDEO C SIGNAL
11 V_P No use
12 GND
13 V_M AV SIGNAL
14 GND
CN402---JA107
ITEM NAME FUNCTION
1 ADC2 No use
2 GND
3 GND
4 Y No use
5 GND
9
6 Pb No use
7 D5v No use
8 Pr No use
9 RxD
10 GND
11 GND No use
12 TxD No use
13 SDA
14 SCL J3
ITEM NAME FUNCTION
1 GND
2 RA1- NO USE
3 RA1+ NO USE
4 RB1- NO USE
5 RB1+ NO USE
6 GND
7 RC1- NO USE
8 RC1+ NO USE
9 RCLK1- NO USE
10 RCLK1+ NO USE
11 RD1- NO USE
12 RD1+ NO USE
13 GND
14 GND
15 RA2-
16 RA2+
17 RB2-
18 RB2+
19 GND
20 RC2-
21 RC2+
22 RCLK2-
23 RCLK2+
24 RD2-
25 RD2+
26 GND
27 DISPEN NO USE
28 SDATA NO USE
29 SCLK NO USE
30 SLE NO USE
31 GND
10
SIGNAL DIAGRAM
FLI2300
DEINTERLACE
GM1501H
SCARLER
VPC3230
DECODE
TA8851
AV/AU
DIO
SWITC
H
TV
AV
S-VIDEO
Y_M
CM
V_M
PI5V330Q
SWITCH
Y PB PR
VGA
Y PB PR/VGA
DVI
LVDS TO PANNEL
SC1_VIN
SC2_VIN
SDA5550
CPU
R/G/B
DDR
HY57V643220DT-6 DDR
K4D263238F
FLASH
AM29LV800DT
DVI
EDID 24LC21
39VF040
FLASH
SRAM
IS62WV5128BLL
IR
SC2_Y/C
SC1/RGB/
FB
PI5V330 U401
RGB/FB
ST232C
RXD,TXD
Update flash interface
24LC64 EEROM
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