Read Sony ICD-BX700 / ICD-PX720 Service Manual online
ICD-BX700/PX720
ICD-BX700/PX720
22
22
• IC Block Diagrams
IC3600 XC9129D45CDR (MAIN Board (1/4)) (BX700)
IC3600 XC9129S001DR (MAIN Board (1/4)) (PX720)
IC3600 XC9129S001DR (MAIN Board (1/4)) (PX720)
IC1001 MM3111AWLE
(MAIN Board (4/4))
IC5521 MB89951APMC-G-115E1 (MAIN Board (3/4))
5
4
3
2
1
6
7
8
9
9
10
PHASE
COMPENSATION
CURRENT SENSE,
LIMIT,PFM
PWM/PFM
CONTROLLER,LOGIC
BUFFER
DRIVER
EN.
THERMAL SHUTDOWN
VREF WITH
SOFT START
F0
EN
BAT
ERROR AMP
PWM
COMPARATOR
LX
PGND
AEN
AGND
MODE
VOUT
FB
RAMP WAVE
GENERATOR
OSC
MODE
1
BIAS
3
4
2
8
6
5
7
SHUTDOWN
BIAS
+IN
-IN
VO2
GND
VDD
VDD
VO1
1
SEG4
SEG3
SEG2
SEG1
SEG0
LCD
CONTROLLER
/DRIVER
2
3
4
5
6
COM3
COM2
COM1
COM0
V3
7
8
9
48
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG15
SEG14
SEG17
SEG18
SEG19
SEG16
47
46
45
44
43
42
41
40
39
VCC
38
37
36
35
34
33
10
P33/V2
P32/V1
P31
11
12
13
14
P30
17
P42/INT1/PWC
18
P43/SI
19
RST
20
P44/SO
21
MODA
24
VSS
22
X1
23
X0
26
P46/INT0
25
P45/SCK
27
P25/SEG41
P24/SEG40
P23/SEG39
P22/SEG38
P21/SEG37
P20/SEG36
P00/SEG20
P01/SEG21
P02/SEG22
P23/SEG23
P24/SEG24
P05/SEG25
P06/SEG26
P07/SEG27
P10/SEG28
P11/SEG29
P12/SEG30
P13/SEG31
P14/SEG32
P15/SEG33
P16/SEG34
P17/SEG35
28
29
30
31
32
P40 15
16
P41/PWM
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
20 BIT
TIME BASE TIMER
RAM
ROM
INTERNAL DATA BUS
F2MC-8L
CPU
N-CH
OPEN
DRAIN
I/O
PORT
PORT2,PORT3
CMOS I/O
PORT
PORT4
N-CH
OPEN
DRAIN
I/O
PORT
PORT0,PORT1
8BIT
PWM
TIMER
EXTERNAL
INTERRUPTION
8BIT PULSE
COUNT TIMER
CLOCK
CONTROL
UART
8BIT
SERIAL
I/O
RESET
CIRCUIT
WATCH
DOG TIMER
NOISE
CLEAR
OSCILLATION
CIRCUIT
Click on the first or last page to see other ICD-BX700 / ICD-PX720 service manuals if exist.