Sanyo DC-MCR30, Руководство по обслуживанию

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IC BLOCK DIAGRAM & DESCRIPTION
IC101 TA8132(AM/FM IF+MPX)
IC203 BU1923(RDS/RBDS Decoder)
IC201 TMP87EP26(Micom)
16-bit
Tiner/Counter
Time Base
Timer
Watchdog
Timer
TC1
System Controller
Standby Controller
Timing Generator
High frequ.
Low frequ.
Clock
Generator
TC2
Interrupt Controller
8-bit
Tiner/Counter
Oata Memory
(RAM)
Data Memory
(EEPROM)
Program
Counter
8bit
AD converter
P5 P0 P4
I/O ports
V
AREF
I/O ports (Segment output)
Segment output Common output
P3 P4 PD
P2
Program Memory
TC3 TC5
Serial
Interfaces
SIO1 SIO2
Register banks
Stack Pointer
Flags RBS
PSW
LOD Driver
ALU
VDD
VSS
VLC
RESET
BOOT
TEST
XIN
XOUT
MROM
BOOT
Inst. Register
Inst. Decoder
EEPROM
P9 P6
P93/SEG12
to
P90/SEG15
COM3
to
COM0
P22 to P20
P57 to P50
(AIN7) to (AIN0)
P07 to P00 P17 to P10 P36 to P30 P47 to P40 PD2
to
PD0
SEG1
1
to
SEG0
P87/SEG32
to
P80/SEG39 P77/SEG24
to
P70/SEG31 P67/SEG16
to
P60/SEG23
P7 P8
IC301 TC9257F(TUNER PLL)
2 MODULUS
PRESCALER
4bit SWALLOW
COUNTER
POWER ON
RESET
TRI-STATE
BUFFER
TRI-STATE
BUFFER
OUTPUT PORT
ADDRESS
DECODER
OSC
CIRCUIT
PHASE
COMP
ARA
T
O
R
12bit PROGRAMMABLE COUNTER
20bit BINARY COUNTER
UNIVERSAL COUNTER CONTROL
REFERENCE COUNTER
24bit REGISTER
24bit SHIFT REGISTER
24bit REGISTER
MAX
1/ 2
UNLOCK
I/O POR
T
XT 20 DO2 1
XT 19 DO1 2
PERIOD 18 I/O-7/SC IN 3
CLOCK 17 I/O-8/IF IN1 4
DATA 16 I/O-9/IF
IN2
5
OT-1 15 GND 6
OT-2 14 FM
IN
7
OT-3 13 AM IN 8
12 9
11 10
OT-4 V DD
I/O-5/CLK I/O-6
TC9257P, TC9257F
Top View
DIP-20PIN / SOP-20PIN
XT 16 DO2/OT-4 1
XT 15 DO1 2
PERIOD 14 I/O-5/IF IN1 3
CLOCK 13 I/O-6/IF IN2 4
DATA 12 GND 5
OT-1 11 6
OT-2 10 AM
IN
7
OT-3 9 V DD
FM
IN
8
TC9256P, TC9256F
Top View
DIP-16PIN / SOP-16PIN
TEST
GATE
AMP
AMP
AMP
OT-4
OT-4
OT-1 OT-3
OT-2 OT-4
RESET
PSC
MODE LF FM
HF FM
H
FM L
XT
1ms
1ms
OSC
4
8
24 22
10
5
5
4
4
15
12
4
DO1
I / O-5 / CLK
I / O-6
I / O-7 / SC IN
DO2
(DO2 / OT-4)
I / O-9 / IF
IN2
(I / O-6 / IF IN2 )
I / O-8 / IF IN1
(I / O-5 / IF
IN1
)
GND V DD
FM IN
AM
IN
XT
XT
DATA
CLOCK
PERIOD
(Note) Mark terminals are not existence in TC9256P, TC9256F.
Terminal name of TC9256P, TC9256F is shown in parentheses.
Others are common terminals.
IC402 TC9422F(Volume Control)
GND
2
1
V
DD
28
3
4
5
6
7
8
9
10
11
12
13 14 15 16
27
26
25
24
23
22
21
20
19
18
17
Vref CK DATA STB
32BIT SR
50k
500
750
50k
100k
MAIN VR
50k / 64STEP
13k
13k
1k
BASS VR
50k /
16STEP
TREBLE VR
50k /
16STEP
50k
CAPACITOR FOR
OSCILLATION
GAIN CONTROL
0, 6, 12, 18dB
INPUT
SELECTOR
500
750
50k
100k
MAIN VR
50k / 64STEP
13k
13k
1k
BASS VR
50k /
16STEP
TREBLE VR
50k /
16STEP
CAPACITOR FOR
OSCILLATION
GAIN CONTROL
0, 6, 12, 18dB
INPUT
SELECTOR
L-IN1
L-IN2
L-IN3
L-IN4
L-SW-OUT
L-VR-IN
L-B1
L-B2
L-B3
L-Tone-OUT
L-T1
R-IN1
R-IN2
R-IN3
R-IN4
R-SW-OUT
R-VR-IN
R-B1
R-B2
R-B3
R-Tone-OUT
R-T1