Read Sony ICD-BX800 Service Manual online
ICD-BX800
ICD-BX800
20
20
• IC Block Diagrams
IC5521 MB89951APMC-G-115E1 (MAIN Board (3/5))
IC1001 MM3111AWLE (MAIN Board (4/5))
IC3061 PST8429UL (MAIN Board (1/5))
IC8021 PST8309UL (MAIN Board (1/5))
IC3062 PST8209UL (MAIN Board (1/5))
GND 1
VDD 2
OUT
RD
4
CD
3
+
–
VREF
VSS 1
VDD 2
VOUT
RD
4
CD
3
+
–
VREF
VOUT 1
VIN 2
VSS
4
NC
3
+
–
VREF
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/LCD_V2
P32/V1/LCD_V1
P31/LED_XBIAS
11
12
13
14
P30/LED_XGRN
17
P42/INT1/PWC/SCPU_CS
18
P43/SI/RX/SPIO_MOSI
19
RST/SCPU_XRST
20
P44/SO/TX/SPIO_MISO
21
MODA
24
VSS
22
X0
23
X1
26
P46/INT0/ INT_WAKE
25
P45/SCK/SPIO_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
/BATT_XEN
P17/SEG35
/LED_XRED
/BATT_XEN
P17/SEG35
/LED_XRED
28
29
30
31
32
P40/MCPU_PWR 15
16
P41/LED_XORG
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
1
BIAS
3
4
2
8
6
5
7
SHUTDOWN
BIAS
IN+
IN-
OUT-
GND
VDD
VDD
OUT+
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