Sony AVD-K800P / HT-C800DP Service Manual ▷ View online
57
AVD-K800P
IC706 MSM51V18165F-60TSKR1 (DMB03 BOARD)
NC
A9
A8
A7
A6
A5
A4
VSS
NC
NC
A0
A1
A2
A3
VDD
VDD
DQ1
DQ2
DQ3
DQ4
VCC
DQ5
DQ6
DQ7
DQ8
WE
RAS
31
32
29
30
26
27
28
20
19
22
21
24
25
23
2
VDD
1
4
3
6
5
8
7
10
9
VSS
DQ16
DQ15
DQ14
DQ13
VSS
DQ12
DQ11
DQ10
DQ9
49
50
47
48
45
46
43
44
41
42
35
I/O
SELECTOR
OUTPUT
BUFFER
INPUT
BUFFER
OUTPUT
BUFFER
INPUT
BUFFER
SENSE
AMPLIFIER
COLUMN
DECODERS
MEMORY
CELLS
WORD
DRIVERS
ROW
DECODERS
ON CHIP
VBB GENERATOR
ON CHIP
IVCC GENERATOR
COLUMN
ADDRESS
BUFFERS
LCAS
34
UCAS
33
OE
I/O
CONTROLLER
I/O
CONTROLLER
17 18
11 – 16
NC
40 – 36
ROW
ADDRESS
BUFFERS
INTERNAL
ADDRESS
COUNTER
COUNTER
REFRESH
CONTROL
CLOCK
TIMING
GENERATOR
VCC
VDD
VDD
VDD
8
VCC
7
TEST
6
SCL
5
SDA
1
A0
2
A1
3
A2
4
GND
ADDRESS
DECODER
DECODER
SLAVE WORD
ADDRESS REGISTER
DATA
REGISTER
16 K bit EEPROM ARRAY
CONTROL CIRCUIT
POWER SUPPLY
VOLTAGE DETECTION
HIGHT VOLTAGE
GENERATOR
11 bit
8 bit
11 bit
STOP
START
ACK
IC903 BR24C16F-E2 (DMB03 BOARD)
58
AVD-K800P
IC1301 MM1568 (I/O BOARD)
4dB
4dB
VCC2
75
Ω
DRIVER
LPF
LPF
LPF
75
Ω
DRIVER
2dB
4dB
2dB
75
Ω
DRIVER
2dB
75
Ω
DRIVER
2dB
4dB
75
Ω
DRIVER
2dB
4dB
75
Ω
DRIVER
4dB
2dB
CIN
2
VIN
4
MUTE1
3
YC MIX
5
YIN
6
BIAS
7
GND1
8
NC
9
GND1 10
NC 11
CYIN 12
CLP 13
CbIN 14
CrIN 16
GND2 17
MUTE2 15
VCC1
1
34
CrSAG
18
CrOUT
19
CbSAG
21
GND2
20
CbOUT
22
CYSAG
24
GND2
23
GND2
26
CYOUT
25
YSAG
27
YOUT
28
VSAG
30
GND2
29
GND2
32
VOUT
31
COUT
33
+
BIAS
BIAS
BIAS
BIAS
BIAS
CLAMP
CLAMP
CLAMP
LPF
LPF
LPF
1
2
3
4
6
5
7
8
V_IN
SW 1
SW 2
+5V
OUT
GND
DVD
BIAS
BUFFER
IC1302 NJM2235M-TE2 (I/O BOARD)
IC1304 SN74LV125ANSR (I/O BOARD)
1
3
2
4
6
7
5
13
14
11
12
10
9
8
1OE
1A
1Y
2OE
2A
2Y
GND
VCC
4OE
4A
4Y
3OE
3A
3Y
59
AVD-K800P
IC400, IC500, IC600 uPC2581V-S (MAIN BOARD)
PROTECTOR
DRIVE
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15
PRE
DRIVE
PRE
DRIVE
BIAS CIRCUIT
REG
MUTE
+VOUT1
–VOUT1
COMP1
NF1
IN1
GND
IN2
NF2
COMP2
–VOUT2
+VOUT2
VCC1
VCC2
VEE
DRIVE
IC830, IC831 BA6956AN (MAIN BOARD)
1
2
3
4
5
6
7
8
9
CONTROL LOGIC
TSD
VREF
OUT2
OUT1
RNF
VM
VCC
FIN
GND
RIN
IC905 NJM2103D (MAIN BOARD)
1
2
3
4
5
6
7
8
V+
VSB/SESIN
VSA
RESET
GND
OUTC
VSC
CR
VREF
+
–
–
+
–
+
–
+
Q
R
S
OVER
CURRENT
PROTECTOR
LATCH
&
DRIVER
OVER HEAT
PROTECTOR
REGULATOR
ON/OFF
SOFT
START
+
–
–
+
–
–
RESET
VREF
COMPARATOR
ERROR AMP
OSC
1
VIN
2
SW OUT
3
GND
4
VOS
5
ON/OFF
IC906 SI-8033JF (MAIN BOARD)
60
AVD-K800P
IC100 PT6315 (DISPLAY BOARD)
IC101 IC NJU3716M-T2, IC101 NJU3716M-TE2 (DISPLAY BOARD)
OUTPUT CIRCUIT
LATCH CIRCUIT
SHIFT REGISTER
CONTROL
CIRCUIT
20
21
19
23
24
22
18 17 16 15 14 13
4
3
2
1
6
P7
P8
P9
P10
P11
VSS
P12
P13
P14
P15
P16
7
SO
8 9 10 11
12
5
VDD
P6
P5
P4
P3
P2
VSS
P1
CLR
STB
CLK
D
ATA
1
2
3
4
5
4-bit latch
24-bit output latch
12-bit shift register
Data selector
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
Serial
interface
OSC
Timing generator
key scan
Display memory
24 bits x 12 words
Key data memory
(2 x 16 bits)
Command decoder
segment driver
Grid driver
Multiplexed driver
39
40
41
42
43
44
LED1
LED2
LED3
LED4
OSC
DOUT
DIN
CLK
STB
KEY1
KEY2
VSS
VDD
SEG1/KS1
SEG2/KS2
SEG3/KS3
SEG4/KS4
SEG5/KS5
SEG6/KS6
SEG7/KS7
SEG8/KS8
SEG9/KS9
SEG10/KS10
SEG20/GRID9
SEG21/GRID8
SEG22/GRID7
SEG23/GRID6
SEG24/GRID5
GRID4
GRID3
GRID2
GRID1
VDD
VSS
SEG11/KS11
SEG12/KS12
SEG13/KS13
SEG14/KS14
SEG15/KS15
SEG16/KS16
VEE
SEG17/GRID12
SEG18/GRID11
SEG19/GRID10
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