Sony CDX-C460 - Fm/am Compact Disc Player, Руководство по обслуживанию

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IC403 SM5852ES-E2 IC751 BA8270F-E2
IC691 µPD4990A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
DATA SELECTOR
DECODER
TEST
SELECT
SIGNAL
GENERATOR
CLK RH
CLK
48 BIT SHIFT REGISTER
YEAR
MONTH
D/W DAY HOUR MIN SEC
15 STAGE BINARY DIVIDER
1/2
1/2
OSC
MPX
MPX
N-CH
OPEN DRAIN
N-CH
OPEN DRAIN
VDD
XTAL
XTAL
NC
OE
TIMING
PULSE
DATA
OUT
CLK
SEC
RESET
64Hz
1Hz
TIME COUNTER
PS
VSS
DATA
IN
CS
STB
NC
C0
C1
C2
C0'
C1'
C2'
C3'
COMMAND
REGISTER
C0' C1' C2' C3'
15
6
STOP
1Hz
BUS ON
SWITCH
RESET
SWITCH
BATTERY
SWITCH
3
4
5
6
2
1
10
9
8 7
11
12
13
14
BUS ON
RST
BATT
CLK
VREF
DATA
GND
VCC
RST
BUS ON
CLK IN
BU IN
DATA IN
DATA OUT
1
2
3
4
5
6
7
8
9
10
11
13
14
15
16
INPUT
INTERFACE
SYSTEM
CLOCK
SEQUENCE
CONTROL
MUTE
CONTROL
DIGITAL
SIGNAL
PROCESSOR
BLOCK
MODE
CONTROL
OUTPUT
INTERFACE
LRCI
BCKI
DI
CLK
VSS
RSTN
TESTN
MUTEN
DOUT
BCKO
LRCO
VDD
OPT
MOD1
MOD2
DB/DS
12
IC781 BU4030BF-E2
IC901 BA3918-V3
14 13 10 12 11 9 8
1 2 5 3 4 6 7
VDD A4 B4 O4 O3 B3 A3
A1 B1 O1 O2 B2 A2
VSS
1 2 3 4 5 6 7 8 9 10 11 12
GND
FM 8.7V AM 8.7V COM 8.7V ANT VCC AMP VDD 5.6V STB MODE 1 MODE 2 N.C.
REGULATOR
EXCESSIVE
VOLTAGE
PROTECTOR
VCC
VCC
VCC
VCC
VCC
VCC