TOSHIBA 52HM94
Service Manual

CIRCUIT BLOCK DIAGRAM

Card Reader Seine Board

USB Card Controller USB /w Power (SMSC USB97C233)

SD/SM/MS Card Holder 128MByte Seine DDR x4 (MT64V16M16) CF

Card Holder

POD Daughter

POD TS0 slot Slot I/F CE0 IRQ5,CE4 CE1 G-Link (MB86619) 1394Ph/CP 1394 TS TS1

IRQ1,CE6

POD FAN Power UART3

Demodulator Boot Flash Gemstar IR (Mxt2003) (29LV800BA) CPLD

Digital Tuner Msystem FAT/OOB Flash

H002

H003 L/R in 2ch DAC

H001

2.1ch IC302 Q601 SDRAM x2 SDRAM L/R out Audio Amp (Mt48LC8M16A2)

Q663

Vari-AMP Vari A For PIP Man, Gemstar VBI ExtBus 1394 PLL IC301 Audio SW 8bit 27MHz VIDEO1 EEPROM CCIR656 L/R 16Kbyte ADC (MST9883) Y,Pb,Pr V Y,Pb,Pr,HD,VD AV-SW DMD HD,VD CPLD DDP1011 (TC9092F) IRQ2 HDMI2 (TC90700F) HDMI Rx Gemstar. (SAA7115) SD Encorder Recording (D61052F) YPbPr,HD,VD,Ys LVDS TX D-BEP Y(V),C 2nd NTSC/ YPbPr IRQ4,CE2

TV L/R ADC TS2 IC311 TV V

L/R QS01 TC90A94TB

LVDS RX

VIDEO2 Capture Video Reset RDRAM VIDEO3

ASIC

Color V,Y/C Stream HD1 3DYCS

- 48 Single Main DAC ADC HDMI For PIP Sub, REC_OUT QV01 DAC Video SW HD/VD Y/C QY501 Color Dec V Y/C I C 2 QY100 Sync Det. YC Sep Y/C/Cb/Cr UART UART0 Sync(Sub) Sync(Main) IC607 PLD IC609 Flash ROM IC601 TV Micro IC501 IC603 IR Senser Thermo IC503 EEPROM Blaster EEPROM Main Power +3.3V(DMD) +13V (FAN) x2 +12V LAMP +3.3V(BEP) +2.5V Power Sub Power Board

Color Y/Pb/Pr Y(V),C HDMI1 HDMI

Stream HD2

HDMI AUDIO

L/R Motor Driver Color Wheel L/R

A/V OUT V PLL

POD FAN BEP Micro Detect

Lamp Door Thermo Breaker Open Detect Senser FAN STOP DETECT

Ballast Power