Ic Block Diagram; Main Board - Sony XES-Z50 Service Manual

• IC Block Diagram

– MAIN Board –
IC503 MM1175XF-T1
BUS ON
1
OUT
RESET
RESET
2
SWITCH
OUT
BATT
3
BATT
SWITCH
CLK
4
OUT
VREF 5
DATA
6
IN/OUT
GND 7
IC515 NM24C04EM8-FL63
START/
STOP
LOGIC
CONTROL
LOGIC
SLAVE ADDRESS
REGISTER &
COMPARATOR
A0
1
A1
WORD
2
ADDRESS
A2
3
COUNTER
R/W
4 VSS
D OUT
ACK
14 VCC
RESET
13
IN
BUS ON
12
IN
CLK
11
IN
BATT
10
CHECK
9 DATA IN
8 DATA OUT
VCC
START CYCLE
H.V. GENERATION
NC
TIMING & CONTROL
SCL
EEPROM
X
DECODER
32 x 16 x 8
32
4 16
4
Y
DECODER
8
CK
D OUT
DATA
D IN
REGISTER
SDA
IC516 AT24C08N-10SI-SL383B
8
7
START
6 STOP
LOGIC
LOAD
DEVICE
ADDRESS
COMPARATOR
A0 1
R/W
2
A1
A2 3
GND 4
D
IN
D
5
– 158 –
SERIAL
EN
CONTROL H.V. PUMP/TIMING
LOGIC
COMP
DATA RECOVERY
LOAD INC
DATA WORD
2
E PROM
ADDR/COUNTER
Y DEC
SERIAL MUX
D /ACK
OUT
LOGIC
OUT
8 VCC
7 TST
SDL
6
5 SDA