Sony CDX-CA705M Service Manual ▷ View online
13
CDX-CA705M
3-1. IC PIN DESCRIPTION
• IC501 MN101C49KCY2 (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Pin Description
1
VREF–
—
Ground for A/D converter power supply
2
VSM
I
S-meter voltage detection signal input from tuner unit (TU10)
3
NIL
I
Connect to ground.
4
KEYIN1
I
Key signal input
5
KEYIN0
I
Key signal input
6
RC IN0
I
Rotary commander key signal input from remote in jack (J561)
7
QUALITY
I
Noise detection signal input Connect to ground in this set.
8
NIL/MPTH
I
Connect to ground in this set. Multi path detection signal input
9
DSTSEL/FUNCSEL
I
Destination set up detection signal input
10
VREF
—
A/D converter power supply
11
VDD
—
Power supply (+5 V) input pin
12
OSCOUT
O
High speed clock signal output (18.432 MHz)
13
OSCIN
I
High speed clock signal input (18.432 MHz)
14
VSS
—
Ground for power supply
15
XIN
I
Low speed clock signal input (32.768 kHz)
16
XOUT
O
Low speed clock signal output (32.768 kHz)
17
MMOD
I
Memory mode select signal input (Input to “Low” (single chip mode).)
(Connect to ground.)
18
LCDSO
O
LCD serial data signal output to LCD driver (IC901)
19
LCDCE
O
LCD chip enable signal output to LCD driver (IC901)
20
LCDCKO
O
LCD serial clock signal output to LCD driver (IC901)
21
CD TSO
O
CD servo IC serial data signal output
22
CD TSI
I
CD servo IC serial data signal input
23
CD TCKO
O
CD servo IC serial clock signal output
24
SYSRST
O
System reset signal output to bus interface (IC581)
25
BUS ON
O
Bus on signal output to bus interface (IC581)
26
KEYACK
I
Key acknowledge detection signal input
27
NIL/DAVN
I
Connect to ground in this set. RDS data block synchronization detection signal input
28
BU IN
I
Back up power supply detection signal input
29
SIRCS
I
Remote signal input from remote control receiver (IC971)
30
CD SELFSW
I
CD mechanism self load position detection switch signal input from self switch (SW2)
31
CD PACK
I
CD text pack sync signal input from CD servo (IC1)
32
VDD2
—
Power supply (+5 V) pin
33
RESET
I
microcomputer reset signal input from reset IC (IC551) “L”: reset
34
NOSE SW
I
Front panel attachment detection signal input from nose detect switch (S552) “L”: ON
35
BEEP
O
Beep signal output to power amp (IC751)
36
NCO
O
Not used. (Open)
37
TESTIN
I
Test mode detection signal input
38
ACCIN
I
Accessory power supply detection signal input
39
NCO (VCC)
O
Not used. (Open)
40
TELATT
I
Telephone ATT detection signal input
41
NCO (VCC)
I
Connect to power supply.
42
UNISO
O
Sony-Bus serial data signal output to bus interface (IC581)
43
UNISI
I
Sony-Bus serial data signal input from bus interface (IC581)
44
UNICKO
O
Sony-Bus serial clock signal output to bus interface (IC581)
45
I2C SIO
I/O
I2C bus serial data signal input/output
46
NCO
O
Not used. (Open)
47
I2C CKO
O
I2C bus serial clock signal output
48
NCO
O
Not used. (Open)
SECTION 3
DIAGRAMS
Ver 1.1
14
CDX-CA705M
Pin No.
Pin Name
I/O
Pin Description
49
TUNON
O
Tuner power supply control signal output to power supply (IC601)
50
PW ON
O
System power supply control signal output to power supply (IC601)
51
TSTB
O
CD text parameter strob signal output to servo IC (IC1)
52
RFOK
I
RF OK signal input from servo IC (IC1)
53
CD RST
O
Reset signal output to servo IC (IC1)
54
A0
O
Command/parameter identification signal output to servo IC (IC1)
“L”: Command, “H”: Parameter
55
STB
O
Data strob signal output to servo IC (IC1)
56
X EN
O
Crystal oscillation control signal output Not used in this set.
57
LIMIT
I
CD Mechanism in-limit switch signal input from limit switch (SW3)
58
PH1
I
CD Mechanism PH1 detection signal input Not used in this set.
59
D SW
I
CD Mechanism down switch signal input from down switch (SW4)
60
INSW/PH2
I
CD Mechanism disc-in switch detection signal input from disc-in switch (SW1)
61
NC (PH3)
I
CD Mechanism PH3 detection signal input Not used in this set.
62
CD LM LO
O
CD Mechanism loading motor control signal output to loading motor drive (IC2)
63
CD LM EJ
O
CD Mechanism eject motor control signal output to loading motor drive (IC2)
64
4VPRE/NCO
I/O
Hi-Volt power selection “L”: with, “H”: without
65
PREOUTMENU/NCO
I/O
Pre-out (4 V/5.5 V) menu selection “L”: with, “H”: without set up signal input
66
AMPATT
O
Power amp ATT control signal output to power amp (IC751)
67
AMPON
O
Power amp standby control signal output to power amp (IC751)
68
CDMD ON
O
CD mechanism deck power supply control signal output
69
ATT
O
System ATT control signal output
70
VOLATT
O
Electrical volume ATT control signal output to electrical volume (IC331)
71 – 73
NCO
O
Not used. (Open)
74
MP3SEL
I
MP3 control select signal input “L”: MP3 CD changer control correspondence,
“H”: not correspondence
75
SUB SEL
I
Sub-out function detection signal input “H”: without, “L”: with
76
SW SHIFT
O
Not used in this set. (Open)
77
COLSEL
I
Key illumination color selection detection signal input “L”: amber, “H”: green
78
NCO
O
Not used. (Open)
79
XCD ON
O
CD on signal output “H”: Play, “L”: Loading or standby
80 – 85
NCO
O
Not used. (Open)
86
E2P SIO
I/O
EEPROM serial data signal input/output
87
E2P CKO
O
EEPROM serial clock signal output
88
NCO
O
Not used. (Open)
89
FLASH W
I
Flash microcomputer write detection signal input “L”: Write mode
90
NIL/NS MASK
O
Connect to ground in this set. Noise mask signal output
91
AD ON
O
Key power supply control signal output “L”: key active
92
DOORIND
O
Sub panel power supply control signal output
93
ILLON
O
Illumination power supply control signal output
94
DOOR SW
I
Front panel open/close detection signal input “L”: Close, “H”: Open
95
DAVSS
—
Ground pin
96
RE IN1
I
Rotary encoder signal input from rotary encoder (RE901)
97
RE IN0
I
Rotary encoder signal input from rotary encoder (RE901)
98
RC IN1
I
Rotary commander shift key signal input from remote in jack (J561)
“L”: Shift key on
99
NCO
O
Not used. (Connect to ground.)
100
DAVDD
—
Power supply pin (+5 V)
15
15
CDX-CA705M
3-2. BLOCK DIAGRAM — CD SECTION —
(Page 16)
84
85
82
83
16
12
D/A
CONV
TRACKING
ERROR
FORCUS
ERROR
9
1
OSC
EFM
DEMOD
SERVO
CTL
RF
EQ
EQ
52
56
54
55
DSUB CODE
PROCESS
8
7
6
5
4
3
2
59
30
60
57
68
79
21
22
23
55
54
53
52
I/F
87
86
97
98
LD
DRIVE
Q1
FOCUS
COIL
DRIVE
TRACKING
COIL
DRIVE
SLED
MOTOR
DRIVE
SPINDLE
MOTOR
DRIVE
LOADING
MOTOR
DRIVE
6
5
23
2
15
16
17
18
13
14
11
12
9
10
26
62 63 64 65
63
62
33
CDMD ON
SWITCH
Q352
CD ON
SWITCH
Q353
CD+5V
REG
Q350,D350
CD DRIVE+6V
REG
Q351,D351
M902
(SLED)
M901
(SPINDLE)
M903
(LOADING)
SW1
(DISC IN)
SW2
(SELF)
SW3
(LIMIT)
SW4(DOWN)
X1
16.9344MHz
OPTICAL PICK-UP
KSS-720A
I-V
CONV.
CDL
STB
AO
CD_TSO
31 CD_PACK
51 TSTB
CD TSI
CD TCKO
CD_RST
RFOK
D SW
INSW/PH2
CD_SELFSW
LIMIT
CD_LM _LO
CD_LM_ EJ
CDMD ON
XCD ON
R-CH
TUNER
SECTION
A
23
24
M
M
M
1
RESET
S551
(RESET)
2
IC551
BU+5.8V
BATT
D352
LOUT
ROUT
PACK
TSTB
TSI
TSCK
SI
RFOK
SO
SCK
STB
AO
XTALEN
RST
RESET
A
C
B
D
E
F
PD
LD
A
C
B
D
E
F
PD
A+5V
LD
APC
FCS-
FCS+
TRK+
TRK-
SL-
SL+
SP-
SP+
LD-
LD+
FOCUS
COIL
TRACKING
COIL
FD
TD
SD
MD
LOAD
EJECT
SYSTEM CONTROL
IC501(1/3)
RF AMP,DIGITAL SERVO
DIGITAL SIGNAL PROCESSOR
IC1
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE/LOADING MOTOR DRIVE
IC2
FD
TD
SD
MD
• Signal path
:CD
• R-ch is omitted due to
same as L-ch.
A+5V
AU+5V
D+5V
DR+6V
16
16
CDX-CA705M
3-3. BLOCK DIAGRAM — TUNER SECTION —
(Page 15)
J10
(ANTENNA)
2
10
1
ANTFM
MPX
CDL
8
AM DET
14
S-METER
12
I2C SDA
13
I2C SCL
17
E2PROM SDA
18
E2PROM SCL
ANTAM
TUNER UNIT
TU10
2
45
47
70
13
14
19
20
17
9
12
43
4
28
SYSTEM CONTROL
IC501 (2/3)
ELECTRONIC VOLUME
IC331
AUX-LCH
OUT FL
35
ACIN RCH
38
ACOUT LCH
36
ACOUT RCH
27
OUT RL
26
OUT FR
25
OUT RR
35
BEEP
ATT
67
69
AMP ON
66
AMP ATT
40
TEL ATT
38
ACC IN
MD LCH
MPX1
R-CH
AM/MPX2
LEVEL
MPIN
SDA
SCL
EXA-ATT
VOL ATT
90 MS MASK
VSM
I2C SIO
I2C CKO
E2P SIO
E2P CKO
AUDIO OUT REAR
CD
SECTION
A
LINE MUTE
CONTROL
Q621,622
MUTE
Q181
R-CH
MUTE
Q171
22 MUTE
4 STBY
16 AUX
11
12
5
3
9
7
POWER AMP
IC751
1
-1
-2
-5
-6
-3
-4
9
2
10
CNP781
R-CH
PJ151
FL+
FL-
RL+
RL-
4
12
FR+
FR-
3
11
RR+
RR-
16 +B (BATT)
13 ATT
5 AMP R
6
8
19
ANT R
GND
R-CH
BATT
F901
10A
TEL
ATT
ATT
Q585
MUTE
Q625
7 ACC
15 TEST
49
50
TUN ON
37
TEST IN
ACC
DETECT
Q571
PW ON
9
DSTSEL/
FUNCSEL
BU+5.8V
24
SYSRST
25
BUSON
43
UNISI
44
UNICKO
42
UNISO
28
BU IN
87
86
BATT DET
Q581,D584,585
BATT
17
18
L
R
AUDIO OUT FRONT
R-CH
L
R
BUS AUDIO IN
R-CH
L
R
• Signal path
: FM
: AM
: CD
• R-ch is omitted due to same as L-ch.
CDR
R-CH
42 MD RCH
R-CH
BUS INTERFACE
IC581
13 RST
12 BUSON
8 DATA OUT
11 CLK IN
9 DATA IN
10 B/U-C
6
DATA I/O
4
CLK
2
RST
3
BATT
8
7
5
6
4
2
3
1
BATT
CNJ581
BUS
CONTROL IN
L-CH AMP
IC332
1
BUSON
DELAY
BATT
D621
POWER SUPPLY
IC601
2 TUN-ON SW
BU+5.8V
COM+8V
TU+5V
TU+5V
TU+8.5V
BU+B(5.8V)
COM8.7V
TU+B(5.1V)
TU+B(8.4V)
BATT
4 STB
6
AMP+B
8
ANT+B
11
10
9
5
7
VCC
D613
D612
S553
(FREQUENCY SELECT)
FM200k
AM 10k
FM 50k
AM 9k
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