Read Sony HS-KP1 Service Manual online
HS-KP1
HS-KP1
30
30
• IC Block Diagrams
IC2007 BR24L64F-WE2 (KP LCD Board (1/4))
IC3619 TC74LCX245FK(EL) (KP LCD Board (2/4))
IC3620 TC74LCX245FK(EL) (KP LCD Board (2/4))
IC3620 TC74LCX245FK(EL) (KP LCD Board (2/4))
1
2
3
2
3
4
5
7
8
A0
A1
A2
A1
A2
GND
VCC
WCB
SCL
SDA
64kbit EEPROM ARRAY
13bit
8bit
ADDRESS
DECODER
DECODER
SLAVE/ WORD
ADDRESS REGISTER
HIGH-VOLTAGE
GENERATOR
POWER SUPPLY
VOLTAGE DETECTOR
DATA
REGISTER
ST
AR
T
ST
OP
ACK
CONTROL CIRCUIT
6
13bit
1
DIR
2
A1
4
A3
5
A4
6
A5
7
A6
8
A7
9
A8
10
GND
3
A2
17 B2
16 B3
15 B4
14 B5
13 B6
12 B7
11 B8
18 B1
19 XOE
20 VCC
IC2503 R1114N251B-TR-FA (KP LCD Board (4/4))
1
2
VDD
GND
CE
REGULATOR
CURRENT
LIMIT
3
VOUT
5
NC
4
IC2504 MM3143CNRE (KP LCD Board (4/4))
IC2508 MM3143CNRE (KP LCD Board (4/4))
IC2509 MM3143CNRE (KP LCD Board (4/4))
IC2508 MM3143CNRE (KP LCD Board (4/4))
IC2509 MM3143CNRE (KP LCD Board (4/4))
5
4
1
REGULATOR
CURRENT
LIMIT
VDD
3
BIAS
CE
2
GND
VOUT
NC
IC2505 MAX8596ZETA+TG069 (KP LCD Board (4/4))
PWM
CONTROL
OVER-
VOLTAGE
PROTECT
PROTECT
LX
PGND
COMP
GND
7
5
6
8
1
OUT
GM
1.25V CLAMP OR
TEMP DERATE CLAMP
SHUTDOWN
3
CTRL
4
CS
2
IN
8.2ms
170mV
121kΩ
FOSC
1MHz
279kΩ
100kΩ
IC2507 TC7W74FU(TE12R) (KP LCD Board (4/4))
IC301 TC4053BFT(EL,N) (KP RJ45 Board)
IC302 TC4053BFT(EL,N) (KP RJ45 Board)
IC312 TC4053BFT(EL,N) (KP RJ45 Board)
IC302 TC4053BFT(EL,N) (KP RJ45 Board)
IC312 TC4053BFT(EL,N) (KP RJ45 Board)
IC305 NJM2794RB2(TE2) (KP RJ45 Board)
IC313 NJM2794RB2(TE2) (KP RJ45 Board)
IC313 NJM2794RB2(TE2) (KP RJ45 Board)
6
CLR
7
PR
8
VCC
5
Q
R
S
Q
3
Q
2
D
4
GND
1
CK
Q
D
C
16
15 14
13
12
11
10
9
1
2
3
4
5
6
7
8
C
B
A
0X
1X
X-COM
Y-
C
O
M
VDD
VSS
VEE
INH
0Z
Z-COM
1Z
0Y
1Y
C
OUT
IN
C
OUT
IN
C
OUT
IN
C
OUT
IN
C
OUT
IN
C
OUT
IN
LOGIC LEVEL
CONVER
TER
1
OUT1
3
VREF
5
OUT2
2
GND
4
V+
10
IN1+
8
NC
6
IN2+
9
IN1–
7
IN2–
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