Av Out; Power2 - Toshiba 30HF66 Service Manual

A B
8
7
R2533 15K
R2534 15K
6
5.1
Q2418
0
A_MUT-L
HDMI MUTE SW
R242610K
2SC3928A 0
R2428
GPIOC[8] Q2419
10K
HDMI MUTE SW
3.3 0
RT1N241C
I2SCLK_INC
Q2404 KTK5132E
5
I2SWS_INC 2.6
LEVEL_SHIFT
Q2401 KTK5132E
2.6
1.7
I2SDATA_INC
FROM HDMI
3.3
+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
3.3
S
LEVEL_SHIFT
3.3
Q2403
G
KTK5132E D
3.3
RX_[X240]
LEVEL_SHIFT
FROM/TO POWER2
Q2406
TX_[X240] KTK5132E
DTV_ON-H
UNREG+5V
UNREG+4V_M
2 UNREG+4V
AT+5V
+3.3V
+1.8V
+2.6V
D_GND
1
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A B
G-29
C
AV OUT SCHEMATIC DIAGRAM
NC NC
C2618
0.1 B
C2605
47P CH
C2608
47P CH
ATSC/CLEAR CABLE ASIC
LEVEL_SHIFT
IC2401 (12/14 I2S AUDIO) X240H
Q2407 KTK5132E
3.3 2.3
3.3
3.4
LEVEL_SHIFT
AK9
I2SWS_OUTA
1.7
3.3 3.4
AG7 I2SSCK_INC I2SSCK_OUTA AH10
3.3
AH6 I2SWS_INC I2SSOSCK_OUTA AJ10 NC
3.3
3.3 3.4
AJ5 I2SSD_INC I2SSD_OUTA AG11
I2SWS_OUTB AK10 NC
3.4
AK4 I2SSCK_IND I2SSCK_OUTB AH11 NC
3.3
AJ6 I2SWS_IND I2SSD_OUTB AJ11 NC
3.3
AK5 I2SSD_IND AG12 NC
I2SSOSCK_OUTB
3.3
SPDIF_OUTA AJ9
R2515
R2508 4.7K
4.7K
B2417
DAC_VDDI
BLM18BD151SN1
R2512 B2419
DAC_AVDDQ
R2509 4.7K BLM18BD151SN1
4.7K
B2418
DAC1_AVDD
3.3
S
BLM18BD151SN1
G
3.3
D
3.3
B2416
VDDC_1.8V
BLM18BD151SN1
DAC_2.5V
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.
C
D E
(DIGITAL PCB)
NC
C2623 47P CH
C2625 47P CH
C2627 47P CH
ATSC/CLEAR CABLE ASIC
IC2401 X240H (13/14 VIDEO ENCODER)
HSYNC_OUT AJ8 NC
VSYNC_OUT AH9 NC
HSYNC2_OUT AG10 NC
VSYNC2_OUT AK8 NC
3.9
DAC0_R
R AC2
3.9
DAC1_G
G AC1
1.1
DAC2_B
B AD2
1.2 R2528 33
DAC3_COMP
COMP AD1
R2529 R2409
1
QRSET
RSET AE1
680 33
3.9 R2530 33
DAC4_R
C_R AB2
1.1 R2531 33
DAC5_G
Y_G AA2
1.4
DAC6_B
COMP_B AA1
R2532 R2410
1
TRSET
R2SET AB1
680 33
1.8 1.8
DAC_VDDI
AE2 VDDDI VDD2DI Y2
0 0
AF3 VSSDI VSS2DI Y1
1.9 1.8
DAC_AVDDQ
AC3 AVDDQ A2DDQ Y3
0 0
AD4 AVSSQ A2VSSQ AA4
2.6 2.6
DAC2_AVDD
AE4 A1VDD A2VDD AB4
2.6 2.6
AF4 A1VDD A2VDD AC4
0 0
AD3 AVSSN A2VSSN AA3
0 0
AE3 AVSSN A2VSSN AB3
R2535
R2536
CAUTION: DIGITAL TRANSISTOR
D E
F G
56
L2414
V[PR]_OUT
0.47uH
57
L2412
Y_OUT
0.47uH
58
L2411
U[PB]_OUT
0.47uH
ATSC/CLEAR CABLE ASIC
IC2401 (14/14 USB/SERIAL) X240H
0
USBA_P
AH23 USBPA RDA AJ21 NC
0
USBA_N
AG22 USBNA TDA AH21 NC
0
USBB_P
AK24 USBPB CTSAb AK22 NC
0
USBB_N
AJ23 USBNB RTSAb AG21 NC
R2537
3.3
AK23 USB_OVRCUR
100K
NC AG19 IRRXDA RDB AJ22 NC
NC AK20 IRTXDA TDB AH22 NC
3.3
AH19 IRBIDB
3.3
TWIRE_RXDC
NC A13 CAPT1 RDC C13
3.3
TWIRE_TXDC
NC D14 COMP1 TDC B13
15K
15K
F G
H
8
7
6
FROM/TO FRONT END
T_FAT_IFP
T_FAT_IFN
FAT_IFAGC
X_TUNER_SDA
X_TUNER_SCL
RF_SW
AFT_1
AFT_2
5
SD-H
S_Y_IN
S_C_IN
GPIOC[8]
TO ASIC
DTV_RESET
TO VIDEO DECODER
Y_IN
4
U_IN
V_IN
D_GND
3
2
PCBDH0
CEF151
1
H
G-30