Block Diagram (7) - Sony KDF-E42A12U Service Manual
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Also See for KDF-E42A12U:
- Operating instructions manual (46 pages) ,
- Service manual (105 pages)
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5-1. BLOCK DIAGRAMS (7)
IC3801
GP OUTPUT
CI-PWR-EN
8 Q
19
RDATA (15)
8 D
18
nRESET
RDATA (14)
1
!CL!
7 D
17
nSMC-RST
MODEM-EN
1 Q
2
7 Q
16
nDATA (8)
CI-BYPASS
3
1 D
6 Q
15
nDATA (9)
RDATA (13)
4
2 D
6 D
14
RDATA (12)
nDATA (10)
7
3 D
5 D
13
nDATA (11)
GAD-CLK
8
4 D
CLK
11
IC3802
OCTAL D-TYPE
FLIP/FLOP
CI-EN
8 Q
19
nRESET
RDATA (7)
8 D
1
!CL!
18
RDATA (0)
RDATA (6)
3
1 D
7 D
17
RDATA (1)
4
2 D
NVM-WE
nSW-FE-RESET
6
3 Q
6 Q
15
RDATA (2)
RDATA (5)
3 D
7
6 D
14
RDATA (3)
RDATA (4)
8
4 D
5 D
13
PCARD_EN
NVM-RST
4 Q
9
5 Q
12
GAD-CLK
CLK
11
IC3805
QUAD AND GATE
n DAMON - RST
1
1 A
n MASTER - RESET
nCI-EN
2
1 B
4 B
13
nRESET
nPC-EN
3
1 Y
4 A
12
nRESET
nCIPC-EN
4
2 A
4 Y
11
nSW-FE -RESET
2 B
3 B
5
10
n-FE -RESET
RDT-DAMON
6
2 Y
3 A
9
3 Y
8
Q3801
IC3800
RESET IC
Q3804
OUT
4
CD
3
Q3806
Q3800
Q3805
nFE-RST
TO SHEET
nNAND-WP
2
IC3815
IC3303
????
NAND GATES
GCSB3
GCSB3
13
nPCARD-EN
1 A
4 B
4B
1
nCIPC-EN
4 A
12
nPCARD-EN
2
1 B
4 A
nCIPC-DATA-EN
4 Y
nPC-EN
11
1 Y
3
4 Y
GCSB3
GCSB3
10
CI-BYPASS
3B
4
2 A
3 B
nPC-EN
3 A
CI-BYPASS
9
2 B
5
3 A
nPCDATA-EN
3 Y
8
nBYPASS-EN
DIR
6
2 Y
3 Y
IC3804
QUAD 2 I/P OR GATE
GCSB0
1
1 A
RADD (14)
2
1 B
3
1 Y
FOEB
2 A
3 B
4
10
FWEB
GAD-CLK
5
2 B
3 Y
8
2 Y
3 A
9
6
IC3806
AND gate (2 inputs)
GCSB0
nCI-WAIT
B
A
2
1
4
Y
IC3803
AND gate (2 inputs)
1
A
GRDYB
2
B
Y
4
GCSB2
IC3807
EEPROM
TO SHEET
Q3808
8
VCC
1
SDA-N
TEST
7
SCL-N
SCL
6
NVM-WP
SDA
5
N 3/3 (
)
Digital I/F
CI-EN
13
CI-EN
12
nCI-EN
11
FWEB
10
IOWRB
9
DIR
IC3318
8
6 Y
12
5 A
11
nDELAY-IOWR
5 Y
10
CI-EN
nCIPC-DATA-EN
CI-PWR-EN
MODEM-EN
nSMC RST
RDATA (0-15)
GCSB3
nPCDATA-EN
IOWRB
DIR
CI-BYPASS
nBYPASS-EN
FOEB
FWEB
RADD(14)
PCCARD-EN
TO SHEET
nDAMON-RST
1
nMASTER-RESET
nPC-EN
GCSB0
nCI-WAIT
nCI-EN
nRDY-DAMON
- 36 -
H1 (
)
Front Buttons
S4400
S4402
S4403
S4404
S4405
S4406
H2 (
)
Front Led
KEY1 (MAIN SW)
CN1000
S1000
1
D1705
D1704
STBY LED
3
Q1010
4
TIMER LED
Q1012
TO
LAMP LED
5
Q1013
JB BOARD
POWER ON LED
6
CN9507
Q1011
STBY +5V
8
SIRCS
10
D1702
IC1000
SIRCS
OUT
VCC
CN4404
KEY
2
TO JB BOARD
3
KEY 1
CN9509
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