Av Out - Toshiba 26HF66 Service Manual

A B
8
7
R2533
15K
R2534
15K
6
HDMI MUTE SW
Q2418
2SC3928A
A_MUT-L
R2426 R2428
10K 10K
GPIOC[8]
Q2419
RT1N241C
I2SCLK_INC
5
I2SWS_INC
LEVEL_SHIFT
Q2401
KTK5132E
I2SDATA_INC
FROM HDMI
+3.3V
HDMI_A_MUTE-H
I2SCLK_IND
I2SWS_IND
I2SDATA_IND
XCE
4
X_TUNER_SDA
X_TUNER_SCL
TUNER_SCL
TUNER_SDA
3
TWIRE_TXDC
TWIRE_RXDC
LEVEL_SHIFT
Q2403
KTK5132E
RX_[X240]
FROM/TO POWER2
TX_[X240]
DTV_ON-H
UNREG+5V
2 UNREG+4V_M
UNREG+4V
AT+5V
+3.3V
+1.8V
+2.6V
D_GND
1
A B
G-29
C
NC
C2618
0.1 B
C2605
47P CH
C2608
47P CH
LEVEL_SHIFT
ATSC/CLEAR CABLE ASIC IC
Q2407
KTK5132E
IC2401 X240H (12/14 I2S AUDIO)
LEVEL_SHIFT
Q2404
I2SWS_OUTA AK9
KTK5132E
AG7 I2SSCK_INC I2SSCK_OUTA AH10
AH6 I2SWS_INC AJ10
I2SSOSCK_OUTA
AJ5 I2SSD_INC I2SSD_OUTA AG11
I2SWS_OUTB AK10
AK4 I2SSCK_IND I2SSCK_OUTB AH11
AJ6 I2SWS_IND I2SSD_OUTB AJ11
AK5 I2SSD_IND I2SSOSCK_OUTB AG12
SPDIF_OUTA AJ9
R2515
R2508 4.7K
4.7K
B2417
DAC_VDDI
BLM18BD151SN1
R2512 B2419
DAC_AVDDQ
R2509 4.7K BLM18BD151SN1
4.7K
S
G
D
B2418
DAC1_AVDD
S
LEVEL_SHIFT
BLM18BD151SN1
Q2406
G
KTK5132E
D
B2416
VDDC_1.8V
BLM18BD151SN1
DAC_2.5V
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
AV OUT SCHEMATIC DIAGRAM
(DIGITAL PCB)
NC
C2623
47P CH
C2625
47P CH
C2627
47P CH
ATSC/CLEAR CABLE ASIC IC
IC2401 X240H (13/14 VIDEO ENCODER)
HSYNC_OUT AJ8 NC
VSYNC_OUT AH9 NC
NC
HSYNC2_OUT AG10 NC
VSYNC2_OUT AK8 NC
DAC0_R
NC R AC2
DAC1_G
NC G AC1
DAC2_B
NC B AD2
R2528 33
DAC3_COMP
NC COMP AD1
R2529 R2409
QRSET
RSET AE1
680 33
R2530 33
DAC4_R
C_R AB2
R2531 33
DAC5_G
Y_G AA2
DAC6_B
COMP_B AA1
R2532 R2410
TRSET
R2SET AB1
680 33
DAC_VDDI
AE2 VDDDI VDD2DI Y2
AF3 VSSDI VSS2DI Y1
DAC_AVDDQ
AC3 AVDDQ A2DDQ Y3
AD4 AVSSQ A2VSSQ AA4
DAC2_AVDD
AE4 A1VDD A2VDD AB4
AF4 A1VDD A2VDD AC4
AD3 AVSSN A2VSSN AA3
AE3 AVSSN A2VSSN AB3
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
56
L2414
0.47uH
L2412 57
0.47uH
58
L2411
0.47uH
ATSC/CLEAR CABLE ASIC IC
IC2401 X240H (14/14 USB/SERIAL)
USBA_P
AH23 USBPA RDA AJ21
USBA_N
AG22 USBNA TDA AH21
USBB_P
AK24 USBPB CTSAb AK22 NC
USBB_N
AJ23 USBNB RTSAb AG21 NC
R2537
AK23 USB_OVRCUR
100K
NC AG19 IRRXDA RDB AJ22
AK20 IRTXDA TDB AH22
AH19 IRBIDB
NC A13 CAPT1 RDC C13
NC D14 COMP1 TDC B13
R2535 15K
R2536 15K
CAUTION: DIGITAL TRANSISTOR
F G
H
8
7
6
FROM/TO FRONT END
V[PR]_OUT
T_FAT_IFP
T_FAT_IFN
FAT_IFAGC
X_TUNER_SDA
Y_OUT X_TUNER_SCL
RF_SW
5
AFT_1
AFT_2
SD-H
S_Y_IN
U[PB]_OUT
S_C_IN
IR_OUT_SENS
GLINK_SENS
GPIOC[8]
TO ASIC
DTV_RESET
4
TO VIDEO DECODER
Y_IN
U_IN
V_IN
FWIRE_RXDA
FWIRE_TXDA
3
TWIRE_RXDB
TWIRE_TXDB
2
TWIRE_RXDC
TWIRE_TXDC
PCBDH0
CEF151
1
H
G-30