Toshiba 32DF46 Service Manual page 34

A B
8
7
6
5
B2403
FCM1608KF-151T06
4
B2404
FCM1608KF-151T06
B2402
3
FCM1608KF-151T06
FROM SDRAM
+2.6V
X2401
GND 100GA02402
24.576MHz
+-20ppm
2
FROM AV OUT
ASIC+1.8V
+5V
GND
1
A B
G-15
C
ASIC SCHEMATIC DIAGRAM
C2412 10 C
C2413 0.1 B
F15
C2414 0.1 B
H13
C2415 0.1 B
J13
C2416 0.1 B
L13
C2417 0.1 B
N11
C2418 0.1 B
N7
C2419 0.1 B
G5
C2420 0.1 B
J5
C2421 0.1 B
L5
C2422 10 C
C2423 10 C
F12
C2424 0.1 B
E13
C2425 0.1 B
E12
C2426 0.1 B
E11
C2427 0.1 B
E10
C2428 0.1 B
E9
C2429 0.1 B
E8
F6
C2430 0.1 B
E7
C2431 0.1 B
E6
C2432 0.1 B
E5
C2433 10 C
ATSC/CLEAR CABLE ASIC IC
C2410
IC2401 ZR39640BGCG-B1 (2/8 DAC_POWER)
6.3V 220 V-S
C2434 10 C
NC F16 NC
C2435 0.1 B
NC P16 NC F13
C2436 0.1 B
H15 DAC_VDD NC T17 NC G13
NC R17 NC G12
C2437 0.1 B
NC R16 NC K13
C2438 0.1 B
NC P15 NC M13
G16 GNDDAC_P
NC N15 NC M12
G15 GNDDAC_BS
NC F3 NC L12
C2439 0.1 B
N3 ADAC_VDD NC F2 NC N13
C2440 0.1 B
NC H3 NC N12
C2441 0.1 B
NC G3 NC N10
C2442 0.1 B
NC F1 NC N9
P3 ADAC_VSS C2443 0.1 B
NC F17 NC N8
G6
M3 PLL_AVDD M6
L6
C2444 0.1 B
N6
C2445 0.1 B
F5
N2 PLL_AGND C2446 0.1 B
H5
C2447 0.1 B
K5
M2 CLKIN C2448 0.1 B
M5
C2449 0.1 B
N5
M1 CLKOUT
C2450 10 C
C2411
C2451
6.3V 220 V-S
6.3V 220 V-S
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
(DIGITAL PCB)
ASIC/CLEAR CABLE ASIC IC
IC2401 ZR39640BGCG-B1 (1/8 VDD&GND)
ATSC/CLEAR CABLE ASIC IC
IC2401 ZR39640BGCG-B1 (3/8 I/F)
IVDD
IVDD GND H12 IRR
IVDD GND K12
IVDD GND J12 UART0TX
IVDD GND F11 UART0RX
IVDD GND F10
IVDD GND H11 (GPIO9) M15
IVDD GND H10 (GPIO8) N16
IVDD GND G11
(GPIO7) L15
GND G10
GND K11 (GPIO5) K15
MVDD GND K10
MVDD GND J11
MVDD GND L10
MVDD GND F9
MVDD GND I2C0CLK
F8
MVDD GND H9 I2C0DAT
MVDD GND H8 I2C1CLK
MVDD GND G9 I2C1DAT
MVDD GND G8
MVDD GND K9
MVDD GND K8
GND J9
GND J8
GND M9 TRSTN
GND M8 TDI
CVDD GND L9 TDO
CVDD GND L8 TMS
CVDD GND F7 TCLK
CVDD GND H7 TAPSEL
CVDD GND H6
CVDD GND G7
CVDD GND K7
CVDD GND K6
CVDD GND J7
CVDD GND J6
GPIO0
CVDD GND M7
GPIO1
CVDD GND L7
GPIO2
CVDD GND M10
GPIO3
CVDD GND M11
CVDD GND L11 RESETN
CVDD GND J10
CVDD
CVDD
CVDD
CVDD
CVDD
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
K3
R2552 220
K1
R2553 220
L3
NC
L2
L1 NC
K2
J1
H1 NC
J3 NC
G1
NC
H2 NC
J2 NC
G2 NC
T3
T4
R6
U2
R2425
N1
100
R2427
100
F G
H
8
FOR IR RECEIVER
JG2401
JG2409
JG2410
7
UART0TX
JG2402
TO FLASH
UART0RX
JG2403
RESETN
GPIO9
GND
+3.3V
JG2404
FROM/TO AV OUT
RF_SW
AUDIO_MUTE-L
UART0TX
UART0RX
6
DTV_RESET
FROM/TO FRONT END
GPIO5
I2C1CLK
I2C1DATA
RESETN
+3.3V
5
GPIO1
4
FROM/TO AV OUT
GPIO0
GPIO1
GPIO2
3
2
PCBDH0
CEE139
1
H
G-16