Sharp SD-AT100H Service Manual page 80

SD-AT100H
A
B
C
CNP301
1
D
A/D_RESET
1
POWER
2
POSISTOR
3
F_CONT
4
FLD_RESET
5
FLD_CS
6
FLD_SCK
7
FLD_SDATA
8
TIMER_LED
9
DD_LED
E
10
STD_LED
11
DTS_LED
12
VIR_LED
13
AAC_LED
14
DPL_LED
15
RX_IN
16
POWER_KEY
17
KEY1
18
KEY2
19
DVD_+B
20
PROTECT
21
F
22
22
G
DSP PWB-C (2/2)
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 96.
1
+3.3V(USWD)
+B
+3.3V(SWD)
+B
C_SP_RLY
F_SP_RLY
R399
10K
POWER_KEY
TU_MUTE
R398
10K
CCB_DO
CCB_CL
+B
CCB_DI
CCB_CE
D308
KDS160
TUNER_SM
SD_ST_IN
PROTECT
R395
10K
AREA
+B
TV_TYPE
R397
DOOR_PROT
10K
+B
R400
10K
R401
10K
C301
0.022
C302
0.022
C303
10/16
C304
0.022
+3.3V(SWD)
+B
+B
2 3
Figure 80 SCHEMATIC DIAGRAM (9/23)
R449
560
2
R448
C441
22/16 22K
KRA106 S
+B
80 79 78
R375 1K
81 P07
R376 1K
82 P06
R377 1K
83 P05
R378 1K
84 P04
R379 1K
85 P03
R380 1K
86 P02
R381 1K
87 P01
R382 1K
88 P00
R383 1K
89 AN7
R384 1K
90 AN6
R385 1K
91 AN5
R386 1K
AN4
92
R387 1K
93 AN3
R388 1K
AN2
94
KEY2 R389 1K
95 AN1
AVSS
96
KEY1
R390
97 AN0
1K
+B
VREF
98
+B
99 AVCC
100 P97
1 2 3 4
+B
R412
47K
+B
CNP308
4
– 80 –
+B
R405
Q301
10K
+B
R453
KRC107 S
1K
R410
2 3
47K
+B
1
1
3 C308
0.001
Q306
77 76 75 74 73 72 71 70 69 68 67 66 65 64
IC301
IX0489AW
SYSTEM MICROCOMPUTER
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
C310
15P(CH)
R413
47K
R440
47K
R436
C336
100
100P
(CH)
1 2 1 2 3 4 5 6 7 8
1
ROM DOWNLOAD
PLUG
CP3202
P91 12 - B
TO DVD SERVO PWB
5
+B
R411
47K
I
74V
GA
C334
47P(CH)
+B
63 62 61 60 59 58 57 56 55 54 53 52 51
1
+B
R454
10K
+B
D301
KDS160
CNP302
9 10 11 12
12
6