Sony XR-CA610X Service Manual ▷ View online
XR-CA610X
30
30
• IC Block Diagrams
– MAIN Board –
– MAIN Board –
IC191, 291
NJM2160AM-TE2
REFERENCE
REFERENCE
VCCL
VCCL
VCCL
INL
SVRL
INML
INMR
SVRR
INR
VCCR
VCCR
VCCR
BUFFER
BUFFER
BUFFER
BUFFER
LIFT
AMP
SIGNAL
AMP
LIFT
AMP
SIGNAL
AMP
CL+
CL–
LGND
OUTL
OUTR
RGND
CR–
CR+
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
IC301
CXA2510AQ-T4
+
–
–
+
–
+
–
+
–
+ –
1
2
3
4
5
6
7
8 9 10
20
19
18
17
16
15
14
13
12
11
21
22
23
26
27
28
29
30
31
32
33
34
37
38
39
40
24
25
PBFB2
PBRIN2
PBREF2
PBFIN2
35
36
PBGND
VCT
PBFIN1
PBREF1
PBRIN1
PBFB1
PBEQ2
PBOUT2
VCC
TAPEIN2
AUXIN2
MSLPF
LINEOUT2
TCH2
NC
PLAY
FF
MSTC
DGND
MSOUT
NC
NRSW
INSW
TAPESW
MSMODE
DRSW
MSSW
NC
TCH1
LINEOUT1
DIREF
AUXIN1
TAPEIN1
PBEQ1
PBOUT1
GND
F2
120
µ
/
70
µ
X1
X1
VCT
+
F1
120
µ
/
70
µ
NR
OFF/B
F3
LPF
VCC
DETECT
MS ON/
OFF
NR
MODE
FWD/RVS
TAPE EQ
TAPE/AUX
NR BIAS
NR
MS
MODE
OFF/B
T2
T1
IC331
TDA7406T
SOFT STEP FADER
SOFT STEP FADER
SOFT STEP FADER
SOFT STEP FADER
MAIN SOURCE
SELECTOR
MIXING
SELECTOR
INPUT
MULTIPLEXER
TAPER
PDR+
PD
–
PDL+
PAUSE
PHONE
TIM
NAVI
AM IF
CMPX
1
2
3
4
5
6
7
8
9
10
11
TAPE
PD
PHONE
TIM
NAVI
TAPEL
MDR
MDL
CDR
CDL 40
41
42
43
44
PAUSE
BEEP
IN-GAIN
+AUTO ZERO
SOFT STEP
VOLUME
7 BAND
EQUALIZER
SOFT MUTE
LOUDNESS
+
+
SWACOUT 37
HPF
ACOUTL 38
ACOUTR 36
OUTPUT
SELECTOR
SWIN 34
ACINR 35
REAR
AC IN
SW
MAIN
MIXER
FRONT
ACINL
MIXINLF
MIXINLR
MIXINRR
MIXINRF
OUTLF
OUTLR
OUTRF
OUTRR
25
26
27
28
29
30
31
32
33
SUB
WOOFER
FILTER
SOFT STEP FADER
OUTSW
24
MONO FADER
DIGITAL CONTROL
IIC BUS
SPECTRUM
ANALYZER
22
23
VDD
DEMODULATOR
+STEREO ADJUST
+STEREO BLEND
25kHz
LPF
HIGH-CUT
S & H
PILOT
CANCELLATION
PLL
PILOT
DET
80kHz
LPF
FM/AM
NOISE BLANKER
STD
IN GAIN
AM/MPX2
MULTIPATH
DETECTOR
D/A
CONVERTER
QUAL
PULSE
FORMER
SAOUT
SACLK
21
SCL
20
SDA
GND
ATT
19
18
17
QUAL
16
MPOUT
MPIN
LEVEL
13
14
15
MPX1
12
CREF 39
MD
CD
FM
AM
31
XR-CA610X
IC351
LB1930M-TLM
IC611
BA4908-V3
1
2
2
3
4
5
6
7
8
9
10
VCC
IN2
S-GND
IN1
NC
NC
OUT2
NC
P-GND
OUT1
CONTROL
CIRCUIT
MOTOR
DRIVE
CIRCUIT
BUFFER
BUFFER
IC581
BA8270F-E2
1
2
3
4
5
5
6
7
8
9
10
14
13
12
11
BUS ON
SWITCH
RESET
SWITCH
BATTERY
SWITCH
BUS ON
RST
BATT
CLK
VREF
DATA
GND
VCC
RST
BUS ON
BUS ON
CLK IN
BU IN
DATA IN
DATA OUT
+
–
+
–
+
–
+
–
OVER VOLTAGE
PROTECT
REGULATOR
1
2 3 4
5
6
7
8
9
10
12
11
NC
T
UNER8.7 ANT SW
TUNER5.6 SW
STB
VDD5.6V
AMP
VCC
ANT
COM8.7V
TUNER5.6V
TUNER8.7V
GND
32
XR-CA610X
6-13.
IC PIN FUNCTION DESCRIPTION
•
MAIN BOARD IC501 MN101C49KTE (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
VREF–
I
Reference voltage (0V) input terminal (for A/D converter)
2
VSM
I
FM and AM signal meter voltage detection signal input from the FM/AM tuner unit (TU1)
(A/D input)
(A/D input)
3
NIL
I
Not used (fixed at “L”)
4
KEYIN1
I
Key input terminal (A/D input) LSW502 to LSW510, LSW514
(MENU, DISC/PRESET+, DISC/PRESET–, > SEEK+ M, . SEEK– m, SOUND,
ENTER, DSPL, LIST, MODE o keys input)
(MENU, DISC/PRESET+, DISC/PRESET–, > SEEK+ M, . SEEK– m, SOUND,
ENTER, DSPL, LIST, MODE o keys input)
5
KEYIN0
I
Key input terminal (A/D input) LSW501, LSW513, LSW515 to LSW522 (OFF, SOURCE, EQ7,
POS, 6, 5, 4, 3, SHUF 2, REP 1 keys input)
POS, 6, 5, 4, 3, SHUF 2, REP 1 keys input)
6
RCIN0
I
Rotary remote commander key input terminal (A/D input)
7, 8
NIL
I
Not used (fixed at “L”)
9
DSTSEL
I
Destination setting terminal (A/D input) Fixed at center voltage in this set
10
VREF+
I
Reference voltage (+5V) input terminal (for A/D converter)
11
VDD
—
Power supply terminal (+5V)
12
OSCOUT
O
Main system clock output terminal (18.432 MHz)
13
OSCIN
I
Main system clock input terminal (18.432 MHz)
14
VSS
—
Ground terminal
15
XIN
I
Sub system clock input terminal (32.768 kHz)
16
XOUT
O
Sub system clock output terminal (32.768 kHz)
17
MMOD
I
Selection signal of memory mode input terminal “L”:single chip mode (fixed at “L”)
18
LCDSO
O
Serial data output to the liquid crystal display driver (IC501)
19
LCDCE
O
Chip enable signal output to the liquid crystal display driver (IC501) “H” active
20
LCDCKO
O
Serial data transfer clock signal output to the liquid crystal display driver (IC501)
21 to 23
NCO
O
Not used (open)
24
SYSRST
O
Reset signal output to the SONY bus interface (IC581) “L”: reset
25
BUSON
O
Bus on/off control signal output to the SONY bus interface (IC581) “L”: bus on
26
KEYACK
I
Input of acknowledge signal for the key entry Acknowledge signal is input to accept function
and eject keys in the power off status On at input of “H”
and eject keys in the power off status On at input of “H”
27
NIL
I
Not used (fixed at “L”)
28
BUIN
I
Battery detection signal input from the SONY bus interface (IC581)
“L” is input at low voltage
“L” is input at low voltage
29
SIRCS
I
SIRCS remote control signal input terminal Not used (open)
30, 31
NIL
I
Not used (fixed at “L”)
32
NIH
I
Not used (fixed at “H”)
33
RESET
I
System reset signal input from the reset signal generator (IC551) and reset switch (S551)
“L”: reset “L” is input for several 100 msec after power on, then it changes to “H”
“L”: reset “L” is input for several 100 msec after power on, then it changes to “H”
34
TUNON
O
Tuner system power supply on/off control signal output “H”: tuner power on
35
BEEP
O
Beep sound drive signal output to the power amplifier (IC751)
36
PW_ON
O
Main system power supply on/off control signal output “H”: power on
37
NCO
O
Not used (open)
38
ACCIN
I
Accessory detection signal input “L”: accessory on
39
NCO
O
Not used (open)
40
TELATT
I
Telephone attenuate signal input At input of “H”, the signal is attenuated by –20 dB
41
NIH
I
Not used (fixed at “H”)
42
BUSSO
O
Serial data output to the SONY bus interface (IC581)
43
BUSSI
I
Serial data input from the SONY bus interface (IC581)
33
XR-CA610X
Pin No.
Pin Name
I/O
Description
44
BUSCKO
O
Serial data transfer clock signal output to the SONY bus interface (IC581)
45
IIC_SIO
I/O
Two-way data IIC bus with the FM/AM tuner unit (TU1), and electrical volume (IC331)
46
NCO
O
Not used (open)
47
IIC_CKO
O
IIC bus clock signal output to the FM/AM tuner unit (TU1), and electrical volume (IC331)
48
AMPON
O
Standby on/off control signal output to the power amplifier (IC751)
“L”: standby mode, “H”: amplifier on
“L”: standby mode, “H”: amplifier on
49
AMPATT
O
Muting on/off control signal output to the power amplifier (IC751) “L”: muting on
50
ATT
O
Audio line muting on/off control signal output “H”: muting on
51
NCO
O
Not used (open)
52
AMSON
O
Tape auto music sensor control signal output to the CXA2510AQ (IC301)
“L”: auto music sensor on
“L”: auto music sensor on
53
F/ROUT
O
Forward/reverse control signal output to the CXA2510AQ (IC301)
“L”: reverse direction, “H”: forward direction
“L”: reverse direction, “H”: forward direction
54
MTLON
O
METAL control in/out terminal
At initial mode: valid/invalid selection input of METAL function (valid at “L” input)
At normal mode: METAL on/off control signal output to the CXA2510AQ (IC301)
(METAL on at “H” output)
At initial mode: valid/invalid selection input of METAL function (valid at “L” input)
At normal mode: METAL on/off control signal output to the CXA2510AQ (IC301)
(METAL on at “H” output)
55
TAPATT
O
Tape muting on/off control signal output to the CXA2510AQ (IC301) “H”: muting on
Active at ATA, FF/REW mode
Active at ATA, FF/REW mode
56
DOLON
I/O
Dolby control in/out terminal
At initial mode: valid/invalid selection input of dolby function (valid at “L” input)
At normal mode: dolby on/off control signal output to the CXA2510AQ (IC301)
(dolby on at “H” output)
At initial mode: valid/invalid selection input of dolby function (valid at “L” input)
At normal mode: dolby on/off control signal output to the CXA2510AQ (IC301)
(dolby on at “H” output)
57
AMSIN
I
Whether a music is present or not from CXA2510AQ (IC301) is detected at auto music sensor
“L”: music is present, “H”: music is not present
“L”: music is present, “H”: music is not present
58
4VPRE
I
4V PREOUT setting terminal “L”: 4V PREOUT on Fixed at “L” in this set
59
VOLATT
O
Pre amplifier muting on/off control signal output to the electrical volume (IC331)
“L”: muting on
“L”: muting on
60 to 64
NCO
O
Not used (open)
65
FLASH_W
I
Internal flash memory data write mode detection signal input terminal “L”: data write mode
Not used (open)
Not used (open)
66
TESTIN
I
Setting terminal for the test mode “L”: test mode, normally fixed at “H”
67
RCIN1
I
Rotary remote commander shift key input terminal “L”: shift key on
68 to 73
NCO
O
Not used (open)
74
EEP_SIO
I/O
Two-way data bus for tuner EEPROM with the FM/AM tuner unit (TU1)
75
EEP_CKO
I/O
Two-way bus clock signal for tuner EEPROM with the FM/AM tuner unit (TU1)
76
COLSEL
I
Setting terminal for the illumination color
“L”: amber, “H”: green Fixed at “L” in this set
“L”: amber, “H”: green Fixed at “L” in this set
77
SWSHIFT
O
VCO shift control signal output to the FM/AM tuner unit (TU1) for SW
“L”: EXCEPT SW, “H”: SW
“L”: EXCEPT SW, “H”: SW
78
DOORSW
I
Front panel open/close detection signal input “L” is input when the front panel is closed
79
DOORIND
O
LED drive signal output of the MD disc slot illumination and Z indicator (LED810, LSW810)
“H”: LED on “H” is output to turn on the LED when front panel is opened
“H”: LED on “H” is output to turn on the LED when front panel is opened
80, 81
REIN1, REIN0
I
Dial pulse input of the rotary encoder (RE501) (for VOLUME control)
82
XKEYON
O
A/D converter power control signal output terminal
When the KEYACK (pin wh) that controls reference voltage power for key A/D conversion input
is active, “L” is output from this terminal to enable the input
When the KEYACK (pin wh) that controls reference voltage power for key A/D conversion input
is active, “L” is output from this terminal to enable the input
83
ILLON
O
Power on/off control signal output of the illumination LED and liquid crystal display driver
(IC501) “H”: power on
(IC501) “H”: power on
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