Sony TA-WR1 Service Manual ▷ View online
13
TA-WR1
•
IC Block Diagrams
– RX Board –
IC7401 TK11225CMCL-G
1
2
3
6
4
CONT
GND
NP
VIN
5
GND
VOUT
CONTROL
CIRCUIT
BANDGAP
REFERENCE
CONSTANT
CURRENT
SOURCE
OVER HEAT &
OVER CURRENT
PROTECT
IC7404 S-T111B15MC-OGATFG
+
–
4
5
1
2
ON/OFF
VOUT
VIN
VSS
3
NC
OVER CURRENT
PROTECTOR
REFERENCE
VOLTAGE CIRCUIT
ON/OFF
CIRCUIT
IC7402 CXD4017R
ADVRH 6
VSS 5
VDDE 4
TEST14 3
TEST13 2
TEST12 1
ADAVS 7
ADAVD 8
ADVRL 9
ADVIN 10
VDDEE 11
VSS 12
XRST 13
DIFM0 14
DIFM1 15
TEST15 16
A/D
CONVERTER
BUFFER
RAM
ERROR
CORRECTOR
OUTPUT
INTERFACE
DEMODULATOR
PLREF
17
TEST16
19
APVCI
20
VSS
21
APCPO
22
APAVD
23
APAVS
24
APX
31
EXTCK
32
VSS
25
VDDI
26
VDDE
27
VCOR
28
CHNUM
29
DIVCODE
30
PLVAR
18
PLL
CLOCK
SELECTOR
CONTROLLER
CSOD
33
SRDT
34
SWDT
35
XSCEN
36
SCLK
37
SCMODE
38
OSCI
40
TEST0
44
TEST1
45
TEST2
46
TEST3
47
TEST4
48
OSCO
43
VSS
39
VDDE
41
VSS
42
CLOCK
GENERATOR
TEST11
64
EMPFS1
63
EMPFS0
62
DTVALID
61
DAOUT
60
LRCK
59
VDDI
58
VSS
57
VDDE
56
BCK
54
TEST10
55
TEST9
53
TEST8
52
TEST7
51
TEST6
50
TEST5
49
14
TA-WR1
IC7407 PCM1751DBQR
IC7409 M62429FP-TP
SCK
1 2 3
7 8
4
5
6
SERIAL
INPUT
INTERFACE
10
9
BCK
DATA
LRCK
VOUTL
VOUTR
DGND
VDD
VCC
VCOM
AGND
FUNCTION
CONTROL
INTERFACE
SYSTEM
CLOCK
MANAGER
8 TIME OVER
SAMPLING
DIGITAL FILTER
WITH
FUNCTION
CONTROLLER
ENHANCED
MULTI-LEVEL
DELTA-SIGMA
MODULATOR
D/A
CONVERTER
D/A
CONVERTER
OUTPUT AMP AND
LOW-PASS FILTER
LOW-PASS FILTER
OUTPUT AMP AND
LOW-PASS FILTER
LOW-PASS FILTER
ZERO DETECT
POWER SUPPLY
12
11
ZEROL
ZEROR
15 14
ML
MC
16
13
MD
SYSTEM
CLOCK
+
–
–
1
VIN1
2
VOUT1
3
GND
4
DATA
LOGIC
CONTROL
VREF
+
–
–
+
–
8
VIN2
7
VOUT2
6
VCC
5
CLOCK
REF AMP
VOL AMP 2
VOL AMP 1
VR1
VR2
15
TA-WR1
• IC Pin Function Description
RX BOARD IC7405 MB89537APFM-G-598-BNDE1 (AMP CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
NC
O
Not used
2
MOD2
I
Setting terminal for the CPU operation mode Fixed at “L” in this set
3
VOLT
I
Battery voltage detection input terminal Not used
4
TEMP
I
Battery thermal detection input terminal Not used
5 to 10
NC
—
Not used
11
AVCC
—
Power supply terminal (+3.3V) (for A/D converter)
12
AVR
I
Reference voltage (+3.3V) input terminal (for A/D converter)
13
AVSS
—
Ground terminal (for A/D converter)
14
DTVAILD
I
Data valid flag input from the RF demodulator “L”: invalid, “H”: valid
15
PROTECT
I
Over current detection signal input for speaker output terminal “L”: over current
16
CSOD
I
Captor start delay signal input from the RF demodulator “H” active
17, 18
NC
—
Not used
19
RST
I
Reset signal input terminal “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
20, 21
MD0, MD1
I
CPU operation mode setting signal input terminal
22
X0
I
Main system clock input terminal (12.5 MHz)
23
X1
O
Main system clock output terminal (12.5 MHz)
24
VSS
—
Ground terminal
25
DAC_CLK
O
Serial data transfer clock signal output to the D/A converter
26
DAC_DATA
O
Serial data output to the D/A converter
27
DAC_LAT
O
Serial data latch pulse signal output to the D/A converter
28
XRST
O
Reset signal output to the RF demodulator and stream processor “L”: reset
29
P23
I
Setting terminal for the CPU operation mode Fixed at “L” in this set
30
PPG02
I
Setting terminal for the CPU operation mode Fixed at “H” in this set
31
SPRY
O
Speakers on/off relay drive signal output “H”: speakers on
32
STOP
I
Power failure detection input terminal “L”: power on
33
VOLIC_DATA
O
Serial data output to the electrical volume
34
VOLIC_CLK
O
Serial data transfer clock signal output to the electrical volume
35
PWR_RY
O
Main power on/off relay drive signal output terminal “H”: power on
36
LED_RED
O
LED drive signal output of the standby indicator “H”: LED on
37
LED_DIAT
O
LED drive signal output of the DIAT signal receive state indicator “H”: LED on (receive error)
38
LED_ON
O
LED drive signal output of the power on indicator “H”: LED on
39
DIATOFF
O
Power on/off control signal output terminal for the DIAT circuit “H”: active
40
P10
I
Setting terminal for the CPU operation mode Fixed at “H” in this set
41
MUTE
O
Muting on/off control signal output terminal “L”: muting on
42
FAN1
O
Fan motor drive control signal output terminal “H”: active
43
FAN2
O
Fan motor drive speed control signal output terminal “H”: high speed, “L”: low speed
44
FAN_CLK
I
Fan motor stop detection signal input terminal “L”: fan motor stop
45
FANON
I
Output level detection signal input terminal “H”: low level, “L”: high level
46
SCMODE
O
Control mode selection signal output terminal “L”: pin setting, “H”: serial setting Not used
47
PSAVE
O
Power on/off control signal output terminal for the volume control circuit “H”: active
48
PWR_CTL
O
Not used
49
NC
—
Not used
50
PWMUTE
O
Not used
51
DIAT_CK
O
Serial interface data clock signal output to the RF demodulator
16
TA-WR1
Pin No.
Pin Name
I/O
Description
52
DIAT_SWDT
O
Serial interface data write signal output to the RF demodulator
53
DIAT_SRDT
I
Serial interface data read signal input from the RF demodulator
54
XSCEN
O
Serial interface enable signal output to the RF demodulator
55
NC
—
Not used
56
VCC
—
Power supply terminal (+3.3V)
57
CH_SEL
I
Not used
58
MOD_VER
I
Model destination setting terminal “H”: AC model, “L”: battery model
59
NC
—
Not used
60
SCK2
—
Not used
61
SOT2
—
Not used
62
SIN2
—
Not used
63
INT23
I
Not used
64
NC
—
Not used
Click on the first or last page to see other TA-WR1 service manuals if exist.