Sharp ER-A450T Service Manual - Page 51

Display Driverckdc8

Get Sharp ER-A450T PDF manuals and user guides View all Sharp ER-A450T manuals
Add to My Manuals
Save this manual to your list of manuals

Page 51 highlights

8 7 DISPLAY DRIVER(CKDC8) D 6 5 4 3 2 1 VCH R7 12K R17 220 R8 12K Q12 A1663 R18 220 R9 12K Q1 A1663 R19 220 R10 12K Q2 A1663 R20 220 R11 12K Q3 A1663 R21 220 R12 12K Q4 A1663 R22 220 R13 12K Q5 A1663 R23 220 R14 12K Q6 A1663 R24 220 R15 12K Q7 A1663 R25 220 R16 12K Q8 A1663 R26 220 8/12 Q9 A1663 KRC106SX10 D Q22 Q21 Q20 Q19 Q18 Q17 Q16 Q15 Q13 Q14 G10 G9 G8 G7 G6 G5 G4 G3 G2 G1 VDD G[1..10] C10 27p R6 G10' G9' G8' G7' G6' G5' G4' G3' G2' G1' G[1'..10'] C1 10U/16V 330K X2 C11 32.768KHZ 22p +5V TO POP UP LED PWB CN3 1-1A /POFF 9-8B KR5 C 9-8B KR6 9-8B KR7 BD10 VDD BD9 BD8 VDD R1 D1 10K 4.19MHz 1 (R5) 2 3 1M X1 BD5 3335333445322 3211789012098 KKK/ XXI XXBKKK RRRPT TC2 1 URRR BD6 BD7 1 BZ1 BUZZER 2 R3 2.2K R4 KR3 9-8B 12K KR2 9-8B KR1 9-8B Q10 C2412K D2 1SS353 DP' G' F' E' D' C' B' A' G7' G6' G5' G4' G3' G2' G1' POP CN(15P) 1 DP' 2 G' 3 F' 4 E' 5 D' 6 C' 7 B' 8 A' 9 G7' PDS' 10 G6' 11 G5' 12 G4' 13 G3' 14 G2' 15 G1' FISCAL:PDS PDS PDS 3 0 OHM JP6 2 TO FRONT LED PWB CN1 1 2 3 4 5 6 7 8 9 10 11 PDS' G1' G2' G3' G4' G5' G6' G7' G8' G9' G10' C FRONT CN(11P) 9-8C 2-5C 3-8B /SHEN B /RES0 G1 G2 G3 G4 G5 G6 G7 G8 G9 G10 /RESETS 5-8A C2 330P C3 2200P 1SS353 C4 7 6 5 O2 1 Z321 36 53 54 55 56 57 58 59 60 61 62 63 45 46 24 34 35 9 25 /RESET T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 SHEN /RES1 VDD1 AVRF AVDD VSS0 AVSS F IC2 CKDC8 KR0 KR9 KR8 ST9 ST8 ST7 ST6 ST5 ST4 ST3 ST2 ST1 ST0 KR11 KR10 ERC LDRQ HTS STH 27 26 14 50 49 48 47 23 22 21 20 19 18 13 12 44 43 15 16 BD4 ST9 ST8 ST7 ST6 ST5 ST4 ST3 ST2 ST1 ST0 9-8B KR0 BD3 BD2 KR11 KR10 9-8C 9-8C ST[0..9] ERC LDRQ HTS STH NORMAL:G7' 9-8D 2-5C 2-5C 3-8C 3-8C CN2 G7' G8' G9' G10' PDS' 1 2 3 4 5 POP CN(5P) JP1 0 OHM 1 G7' G7' G7' G8' G9' G10' PDS' JP8 0 OHM CN22 1 2 3 4 5 6 7 8 9 A' B' C' D' E' F' G' DP' GND B FRONT CN(9P) 10U/16V V V / R2 S D KS SI D D RC 1 DP A B C0 DE F G4 K 330 C9 46 1 11 2412340567817 C8 330P 330P R27 R28 10K 10K DP' G' F' E' D' C' B' A' DP SA SB SC VDD SD SE C6 SF C5 0.1U 10U/16V 9-8B SG KR4 BD1 3-8C /SCK C7 330P DP' Q11 KRC106S DP DP G' 1 5 C12 1000P 2 IC3B SG SG F' 1 4 C13 3 IC3C SF SF E' 1 3 C14 4 IC3D SE SE D' 1 2 C15 5 IC3E C' 1 6 C16 1 IC3A SD SD 65003 SC SC B' 1 1 C17 6 IC3F SB SB A' 1 0 C18 7 IC3G SA SA C19 1000PX7 A A NU 9 IC3H IC3 8 NOTE KID65003P 8 7 6 5 4 3 2 1

  • 1
  • 2
  • 3
  • 4
  • 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
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
8
7
6
5
4
3
2
1
A
B
C
D
1
2
3
4
5
6
7
8
D
C
B
A
8/12
DISPLAY DRIVER(CKDC8)
R14
12K
R15
12K
R16
12K
G2
G1
G3
G3'
G2'
G1'
G[1'..10']
Q7
A1663
Q8
A1663
Q9
A1663
R26
220
R25
220
R24
220
Q15
Q13
Q14
G4
G5
G6
G7
G8
G8'
G7'
G6'
G5'
G4'
R13
12K
R12
12K
R11
12K
R10
12K
R9
12K
Q2
A1663
Q3
A1663
Q4
A1663
Q5
A1663
Q6
A1663
R23
220
R22
220
R21
220
R20
220
R19
220
Q20
Q19
Q18
Q17
Q16
R6
330K
VCH
G9
G10
G10'
G9'
G[1..10]
R8
12K
R7
12K
Q12
A1663
Q1
A1663
R18
220
R17
220
Q22
KRC106SX10
Q21
C10
27p
VDD
1-1A
9-8B
9-8B
9-8B
D1
1SS353
/RESET
36
T0
53
T1
54
T2
55
T3
56
T4
57
T5
58
T6
59
T7
60
T8
61
T9
62
T10
63
SHEN
45
/RES1
46
VDD1
24
AVRF
34
AVDD
35
VSS0
9
AVSS
25
V
S
S
1
4
2
I
D
6
4
D
P
1
A
2
B
3
C
4
V
D
D
0
1
0
D
5
E
6
F
7
G
8
K
R
4
1
1
/
S
C
K
1
7
STH
16
HTS
15
LDRQ
43
ERC
44
KR10
12
KR11
13
ST0
18
ST1
19
ST2
20
ST3
21
ST4
22
ST5
23
ST6
47
ST7
48
ST8
49
ST9
50
KR8
14
KR9
26
KR0
27
K
R
1
2
8
K
R
2
2
9
K
R
3
3
0
B
U
Z
5
2
X
1
4
1
X
2
4
0
I
C
3
9
K
R
7
3
3
K
R
6
3
2
K
R
5
3
1
/
P
O
F
5
1
X
T
2
3
7
X
T
1
3
8
IC2
CKDC8
KR5
KR6
KR7
/POFF
VDD
VDD
R1
10K
BD8
BD9
BD10
C1
10U/16V
9-8B
9-8B
9-8B
X2
32.768KHZ
KR1
KR2
KR3
C11
22p
1
3
2
X1
4.19MHz
(R5)
1M
BD5
BD6
BD7
D2
1SS353
PDS
PDS
DP'
G'
F'
E'
D'
C'
B'
A'
G6'
G5'
G4'
G3'
G2'
G1'
+5V
DP'
1
G'
2
F'
3
E'
4
D'
5
C'
6
B'
7
A'
8
G7'
9
G6'
10
G5'
11
G4'
12
G3'
13
G2'
14
G1'
15
CN3
POP CN(15P)
R3
2.2K
FISCAL:PDS
R4
12K
Q10
C2412K
TO POP UP LED PWB
1
2
BZ1
BUZZER
G7' PDS'
TO FRONT LED PWB
1
2
3
JP1
0 OHM
0 OHM
JP6
PDS'
1
G1'
2
G2'
3
G3'
4
G4'
5
G5'
6
G6'
7
G7'
8
G8'
9
G9'
10
G10'
11
CN1
FRONT CN(11P)
D'
C'
B'
A'
A'
B'
C'
D'
A'
1
B'
2
C'
3
D'
4
E'
5
F'
6
G'
7
DP'
8
GND
9
CN22
FRONT CN(9P)
JP8
0 OHM
3-8C
3-8C
2-5C
2-5C
9-8C
9-8C
9-8D
ERC
LDRQ
HTS
STH
ST[0..9]
G7'
DP'
G'
F'
E'
E'
F'
G'
DP'
G7'
G8'
G9'
G10'
NORMAL:G7'
G7'
1
G8'
2
G9'
3
G10'
4
PDS'
5
CN2
POP CN(5P)
G7'
PDS'
9-8B
R2
330
KR11
KR10
KR0
ST9
ST8
ST7
ST6
ST5
ST4
ST3
ST2
ST1
ST0
R27
10K
R28
10K
C8
330P
C9
330P
BD3
BD2
BD4
9-8C
3-8B
2-5C
5-8A
/RES0
G1
G2
G3
G4
G5
G6
G7
G8
G9
G10
/RESETS
/SHEN
C2
330P
C3
2200P
C4
10U/16V
3-8C
9-8B
DP
SA
SB
SC
SD
SE
SF
SG
KR4
/SCK
VDD
C5
0.1U
BD1
C6
10U/16V
C7
330P
NU
Q11
KRC106S
DP
SG
SF
SE
SD
SE
SF
SG
DP
C12
1000P
1
5
2
IC3B
1
4
3
IC3C
1
3
4
IC3D
IC3
KID65003P
9
8
IC3H
NOTE
C13
C14
C15
SD
SC
SB
SA
SA
SB
SC
1
2
5
IC3E
1
6
1
IC3A
65003
1
1
6
IC3F
1
0
7
IC3G
C16
C17
C18
C19
1000PX7