Video Decoder; Audio Processor - Hitachi 55PMA550 Service Manual

µ-COMPUTER
(M30625)
AC-CLOCK TB4IN P54
DSUB COMP P87 P53
RGB SW P86 P52
POWER_SAVE P101 P51
POWER_LED P76 P47
TV.POWER P103
D.RESET(DARST) P45 P46
DVI-PD P44
SCDT P43 P97
HS-DJTR P42
DVI-SW P25 P07
TRAP-MAIN P27 P06
RGB1_DET P30
AUD RST P41
AUD DET P40 P32
SPRLY P37 P33
MUTE P36 P71
ASEL1 P35 P70
ASEL2 P34 P11
PDWN P72 P10
PARITY.SW P01
IRQ(PM-IRQ) P80
FE.AGC_O/DEMP_OUT P93
PDP_WVGA_LCD_SW P74
PDPGO(PM_ON) P57
CPUGO(PM_CPU) P56
RMCON(AVC) INT2
V.FREQ_2(VIDEO) INT1
V.FREQ_1 INT0
AVC_1 P00 CLK3
SCV.SYNC TA4IN SOUT3
MCV.SYNC TA3IN P02
AD_KEY3 AN6
AD_KEY2 AN5
FE.AGC_I/SW_R_OUT AN22
PDP_WVGA_LCD_SW P21
TV.AFC/SW_L_OUT AN23 CLK4
WSS/STAND.CIR_DET AN24 SOUT4
AD_KEY1 AN4 P03
RESET RESET
H.FREQ_2(VIDEO) TA2IN
H.FREQ_1 TA1IN
FAN_ALARM P100
HDMI_CIR_DET P05
P04
MSP_RESET/CUR_PROTECT
DIP_DET P102
TXD2(PDP) TXD0
RXD2(PDP) RXD0
D-SUB COMPONENT. P31
SW P60
DISPEN P26 P61
LCD_CONTROL P12
P13 P65 SCLK(FLASH)
CEC_OUT/EDID_WP P14 P64 BUSY(FLASH)
HDMI_VIDEO_SW P15 TXD1 RS232C/FLASH_TXD
INT_HDMI P16 RXD1 RS232C/FLASH_RXD
CEC_IN P17 CNVss
HDMI_DET_IN P20 P50 CE
P107 P55 EPM
TEXT_RESET/CCD_RESET
VIDEO.DET_1
VIDEO.DET_2
TUNER.DET_1 P51 P52 TUNER TYPE P53
TUNER.DET_2 0 0 ASIA 0
SWIVEL_DET 0 1 EUROPE 0
1 0 US/CANADA 1
1 1 NO TUNER 1
INITIALIZE
EEPROM
AVC-2 (CAT24WC64) P21 P74
0
SCL3 0
SDA3 1
1
FC4 Sub µ-COM
(H8S_2238 )
AV SW (Front Stage)
CLOCK
DATA (CXA2069Q)
ENABLE SCL0 S-1
SDA0 S-2
S-3
OSD CONTROLER
S-4
(OSDCM201 ) S2-2
SCLK S2-3
SIN S2-3
CS S2-4
AV SW (Rear Stage)
(NJM1320)
SCL0
SDA0
CE EPM CNVss
Normal 0V 5V 0V
Writing(FLASH) 5V 0V 5V
P54 VIDEO TYPE Type *1 for ASIA F/E
0 AVC JOINT PWB D *2 for US/CANADA F/E
1 VIDEO PWB B *3 for europe F/E
0 RGB PWB E *4 for ASIA
1 NO VIDEO/RGB PWB A *5 for EUROPE
*6 Reserve
PANEL TYPE
0 PDP
1 WVGA
0 LCD
1 -

VIDEO DECODER

TUNER (FE)
(TB1274) (ENG39616G *1/V0-A31FTV *2/ENG295**G *3)
SCL0 SCL1
SDA0 SDA1
3L Y/C MPX
(TC90A69F) (MSP3415G *5 MSP3455G *4)
SCL0 SCL1
SDA0 SDA1
S_DET_AV3
COMP_DET_AV2
Sync Separator CCD(MAIN/SUB)
COMP_DET_AV1
(TA1370FG) (M306V7)
SCL0 SCL1
SDA0 SDA1
Thermal Sensor *6 VIDEO DECODER (SUB)
(AD7414 (TB1274)
TOF.SW SCL2 SCL1
SCCD.SW SDA2 SDA1
94/95h
TELETEXT
3D Y/C (MAIN)
(UPD64084) SCL1
SCL0 SDA1
SDA0

AUDIO PROCESSOR

(NJW1136)
SCL2 AUX0
SDA2
*3 AUX1
LIP_SYNC
(NJU26103)
SCL2
SDA2
RESET MSP_RESET
Sync Separator
(TA1370FG)
SCL2
SDA2
PANEL
SCL4
8A/8Bh SDA4
TV.SEL_1
TV.SEL_2
FE.SW_1
FE.SW_2
TRUBASS SW
TRUBASS SW