Toshiba 27DF47 Service Manual page 36

A B
FROM/TO POWER & GROUND
8
FROM/TO SDRAM
FROM/TO VIF/SIF
FROM/TO AV IN/OUT
7
6
GND
3V3_D
5
EEPROM IC
IC2403
AT24C04N-10SU-2.7
A0 VCC
A1 WP
A2 SCL
VSS SDA
4
GND
R2425
RESETN
22
3
3V3_D
GND
2
1
A B
G-19
C
FLASH/GPIO SCHEMATIC DIAGRAM
DTV_ASIC
IC2401 ZR39740HGCF-B0
(4/6 FLASH/GPIO)
(SPI_HOLD)
C2472
B9 CLKIN
18P CH
C2473 R2417
A9 CLKOUT
18P CH 100
NC
L2 TRSTN
NC K3 TDI
NC K1 TDO
NC K2 TMS
NC L1 TCLK
R2420 4.7K
J3 TAPSEL
R2421 47
C2582 I2C0C C12 I2C0C
R2422 47
0.1 B I2C0D C11 I2C0D
R2423 47
I2C1C
B11 I2C1C
R2424 47
I2C1D
B12 I2C1D
NC A7 I2CTRNC
B7 I2CTRND (CSEL)
NC
(CB_UP)
(TSOCLK)
(TSODATA)
(TSOFAIL)
R2460
A8 RESETN (TSOFRM)
22
(TSOVAL)
(SPARE)
(SPARE)
(RF_SWITCH)
(SPARE)
(SPARE)
(STATUS2)
(TSIOCLK)
(TSIODATA)
(TSIOFAIL)
(TSIOFRM)
(TSIOVAL)
(STATUS0)
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
(DIGITAL PCB)
GND
JG2425
GPIO_03 C6
NR2408
4D02WGJ0470TCE
SPI_SO A4
7 8
5 6
SPI_CLK C4
3 4
1 2
SPI_CSN C5
SPI_SI B4
SPI_WEN A3
JG2441
3V3_D
JG2440
IRR C10 IRR
A11
UART0TX A11
A12
UART0RX A12
R2515 47
UART1TX_MB GND
R2516 10
UART1RX_MB
UART1TX A10 A10
UART1RX B10 B10
I2C0C
SCN_MODE M2
I2C0D
TST_MODE M1
I2C1C
GND I2C1D
LED_RED
GPIO_06 L3 JG2401
GPIO_07 M3 NC
GPIO_08 N1 NC
GPIO_09
GPIO_09 N2 JG2402 A11
GPIO_10 N3 NC
A12
GPIO_11
GPIO_11 P1 JG2403
GPIO_12
GPIO_12 P2 JG2404 A10
GPIO_15 T5 SD_CS
B10
GPIO_18 R6 NC
GPIO_17 T6 NC
CH_DN
GPIO_20 R7 JG2407
LED_GRN
GPIO_22 R8 JG2408
GPIO_14 U5 SD_H/SEL_SW AFT1
GPIO_23 T12 AFT1
GPIO_27 U13 MSG_REQ
GPIO_24 U12 AFT0 AFT0
GPIO_26
GPIO_26 T13 JG2413
SD_DET
GPIO_25
GPIO_25 R13 JG2414
GPIO_19 T7 NC
GPIO_16 U6 SD_DET
VID_DET
GPIO_21 T8 JG2415
VID_IN_DEL
GPIO_41 P16 JG2416
REOUT_SEL
GPIO_42 N16 JG2417
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
D E
F G
SD card update
JG2445
SPI_FLASH IC
JG2409
3V3_D
IC2405 EN25P16-50HCP
JG2410
SD_DET
SD_RD JG2411
S VCC
SD_CLK JG2412
SD_WR JG2443
Q HOLD
JG2444
SD_CS
W /VPP C
VSS D
Pull up resistor
R2434 2.2K
3V3_D
R2435 2.2K
R2436 2.2K
R2437 2.2K
R2503 2.2K
R2504 2.2K
R2505 2.2K
R2506 2.2K
R2517 4.7K
R2519 4.7K
R2512 2.2K
F G
H
8
7
6
5
4
3
2
PCBDH0
CEF242
1
H
G-20