Flash - Toshiba 26HF66 Service Manual

A B
8
7
FROM/TO VIDEO DECODER
I2C_CLKC
I2C_DATC
VD_INT#
6
FROM/TO HDMI
DVI_INT
I2C_CLKC
I2C_DATC
TO ASIC
DTV_RESET
5
4
3 FROM POWER2
+3.3V
D_GND
2
1
A B
G-25
C D
FLASH SCHEMATIC DIAGRAM
ATSC/CLEAR CABLE ASIC IC ATSC/CLEAR CABLE ASIC IC
IC2401 X240H

(6/14 FLASH)

IC2401 X240H (7/14 FLEX BUS)
NFCLE
P30 NFCLE NC G3 FAD(0)
ROMSCK_NFALE
N30 NFALE NC F2 FAD(1)
ROMSO_NFWE#
N29 NFWEb NC E1 FAD(2)
CS_NF1#
M30 NFCEb(1) NC G4 FAD(3)
ROMSI_NFRE#
P29 NFREb NC F3 FAD(4)
NFRY_BY#
N28 NFRY_BYb NC E2 FAD(5)
ROMCS_NFCE0#
N27 NFCEb(0) NC D1 FAD(6)
F4 FAD(7)
NFIO0 FAD7_8
H28 NFIO(0) E3 FAD(8)
NFIO1 FAD9
J29 NFIO(1) D2 FAD(9)
NFIO2
J30 NFIO(2) NC C1 FAD(10)
NFIO3
K29 NFIO(3) NC E4 FAD(11)
NFIO4
K30 NFIO(4) NC D3 FAD(12)
NFIO5
L29 NFIO(5) NC C2 FAD(13)
NFIO6
L30 NFIO(6) NC B3 FAD(14)
NFIO7
M29 NFIO(7) NC C4 FAD(15) FINTR(0)
NC J27 NFIO(8) FINTR(1)
NC J28 NFIO(9) FINTR(2)
NC K27 NFIO(10) FINTR(3)
NC K28 NFIO(11) FINTR(4)
NC L27 NFIO(12)
NC L28 NFIO(13)
NC M27 NFIO(14)
NC M28 NFIO(15)
EEPROM IC
IC2404 BR24L64F-WE2
0 3.3
A0 VCC
0 0
A1 WP
3.3 2.8 I2C_CLKA
A2 SCL
0 2.8 I2C_DATA
VSS SDA
R2464
10K
I2C_CLKA
I2C_DATA
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C D
E
(DIGITAL PCB)
FCLK
FCLK D5 JG2457
FBE(0) C7 NC
FBE(1) D8 NC
FALE(0) A5 NC
48 47 46 45 44 43 42
FALE(1) B6 NC
FSTB A4 NC
FRD D7 NC
FWE C6 NC
FRDYb B5 NC
FCEb(0) A3
NC
FCEb(1) B4
NC
1 2 3 4 5 6 7
FCEb(2) C5
NC
FCEb(3) D6
NC
C2507
R2481
6.3V 22 TZV
2.2K
H4
F1 NC
G2
H3 NC
AK11 NC
FAD9
FAD7_8
ROMCS_NFCE0#
ROMSO_NFWE#
ROMSCK_NFALE
ROMSI_NFRE#
DTV_RESET
ATSC/CLEAR CABLE ASIC IC
IC2401 X240H
(8/14 I2C BUS)
R2592 100
AG20 I2CCLKA SPI_CLK G1 NC
R2593 100
AK21 I2CDATAA SPI_IN J4 NC
SPI_OUT H2 NC
I2C_CLKC
AJ20 I2CCLKC SPI_CS0 J3 NC
I2C_DATC
AH20 I2CDATAC SPI_CS1 H1 NC
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.
E
F G
C2509
0.1 B
41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25
8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
C2508 R2482
0.1 B 10K
JG2407
JG2408
JG2409
JG2424
JG2411
JG2412
JG2413
JG2414
JG2415
F G
H
8
7
6
5
4
3
2
PCBDH0
CEF151
1
H
G-26