Sony MHC-VX3 (serv.man2) Service Manual ▷ View online
49
7-27.
IC PIN FUNCTION DESCRIPTION
•
MAIN BOARD (4/4) SYSTEM CONTROL IC501 M30622MA-A09FP
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
I/O
O
O
O
O
O
O
O
—
—
I
O
I
O
—
I
O
I
I
I
I
I
I
O
O
O
O
I
O
O
O
—
I
O
—
O
I
O
O
O
O
O
O
O
O
O
O
O
O
O
I
Description
STK ON(H)/OFF(L)
POWER ON(H)/OFF(L)
FRONT-RELAY ON(H)/OFF(L)
REAR-RELAY ON(H)/OFF(L)
CD-POWER ON(H)/OFF(L)
TA LINE-MUTE ON(L)/OFF(H)
DBFB-HIGH(L)/LOW(H)/OFF(H)
Ground
Ground
SUB CLOCK IN
SUB CLOCK OUT
SYSTEM RESET IN
MAIN SYSTEM CLOCK OUT
Vss
MAIN SYSTEM CLOCK IN(16MHz)
POWER SUPPLY(+5V)
PULL UP(EVER+5)CAN’T USE
WAKE UP(L)
CD Q-DATA REQUEST
RDS INT
RDS DATA
AC CUT ON(L)/OFF(H) CHECK
PRO-LOGIC CLOCK
PRO-LOGIC DATA
PRO-LOGIC LATCH
TIMER LED ON(H)/OFF(L)(forFH)
SPEAKER PROTECT ON(L)/OFF(H)
VIDEO MUTE ON(H)/OFF(L)(for LBT)
IIC SCL
IIC SDA
Not used
CD DATA IN
CD DATA CLK
Not used
CD DATA
HEAD PHONE detection Detected (H)/Not detected (L)
CD CLK
62493 LATCH
CLOCK CHECK/STBY-LED(H)(FH)
VIRTUAL CINEMA L+R/L-R(FH LCD)
VIRTUAL CINEMA BYPASS(FH LCD)
FL FILAMENT ON(L)/OFF(H)(for ECO)
MAIN POWER ON(H)/OFF(L)(for ECO)
FREQ High(H)/LOW(L)(for SYNC BASS)
FUNC_SEL1(LBT)
FUNC_SEL0(LBT)/OPT SEL(AMD, MK33)
62493 DATA
62493 CLOCK
TUNER MUTE
STEREO IN(L)/OFF(H)
Pin Name
STK-MUTE
POWER
F-RELAY
R-RELAY
CD-RELAY
LINE-MUTE
DBFB-H/L
GND
GND
Xcin
Xcout
RESET
Xout
Vss
Xin
Vcc
NIMI
WAKE_UP
SCOR
RDS-INT
RDS-DATA
AC-CUT
PL-CLK
PL-DATA
PL-LAT
TIMER LED
PROTECTOR IN
V_MUTE
IIC_CLK
IIC_DATA
N.C.
SQ-DATA-IN
SQ-CLK
N.C.
CD-DATA
HEAD PHONE
CD-CLK
493-LT
CK-OUT/STBY
VC L+R/L–R
VC BYPASS
FL SW
STBY_RELAY
BASS_FREQ
FUNC_SEL1
FUNC_SEL0
493-DATA
493-CLK
ST-MUTE
STEREO
50
Pin No.
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
I/O
I
O
O
I
O
I
O
O
O
I
I
O
O
—
O
O
O
I
O
I
I
O
O
O
O
O
I
O
O
O
O
O
O
O
O
I
I
I
I
I
I
O
O
I
I
—
I
O
O
O
Description
TUNED IN(L)/OFF(H)
TUNED CHIP ENB
TUNER DATA OUT
TUNER DATA IN
TUNER CLOCK
From CXP2587 SENS
MODE
CD LATCH
CD RESET
DISC SENSOR
TABLE SENSOR
POWER SUPPLY(+5V)
TABLE-L
Ground terminal
TABLE-R
LOAD OUT
LOAD IN
CDM38 ENCODER IN/CDM37 UP SW
DM38 ENCODER IN/CDM37 DISC LE
CDM38 ENCODER IN/CDM13 IN SW
CDM38 OUT OPEN SW
TCM-B TRIGGER OUT ON(H)/OFF(L)
TCM-A TRIGGER OUT ON(H)/OFF(L)
Capstan L (reverse rotation)/H (normal rotation)/L (STOP)
Capstan H (reverse rotation)/L (normal rotation)/L (STOP)
CAP-MOTOR High(H)/Low(L)
AMS SIGNAL IN (L)/OFF (H)
TC LINE MUTE ON (H)/OFF (L)
REC (L)/PB (Z)/PASS (H)
DOLBY NR ON (H)/OFF (L)
REC MUTE ON (L)/OFF (H)
BIAS ON(H)/OFF(L)
EQ HI(H)/NORM(L)
TC A (L)/B (H) SELECT
ALC ON (L)/OFF (H)
TCM-B PLAY SW IN
TCM-A PLAY SW IN
A deck HALF
B deck HALF
TCM-B REEL PULSE
TCM-A REEL PULSE
SOFT CHECK OUT
HEAD PHONE MUTE ON (L)/OFF (H)
KEY (for jig)/CD adjustment
MODEL IN
Analog Ground
SPEC IN
Analog Reference Voltage
Analog Power Supply
TC RELAY ON (H)/PFF (L)
Pin Name
TUNED
ST-CE
ST-DOUT
ST-DIN
ST-CLK
SENS
HOLD
XLT
XRST
DISC-SENS
T-SENS
Vcc
TBL-L
Vss
TBL-R
LOAD-OUT
LOAD-IN
ENC3/UP_SW
ENC2/DISC LED
ENC1/IN SW
OUT-OPEN
B-TRG
A-TRG
CAPM-CNT2
CAPM-CNT1
CAP-M-H/L
AMS-IN
TC-MUTE
REC/PB/PASS
DOLBY NR
REC-MUTE
BIAS
EQ-H/N
PB-A/B
ALC
B-PLAY-SW
A-PLAY-SW
A-HALF
B-HALF
B-SHUT
A-SHUT
SOFT-TEST
AD PHONE MU
KEY/CD ADJ
MODEL-IN
Avss
SPEC-IN
Vref
Avcc
TC-RELAY
51
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14 to 17
18
19
20
21
22
23
24
25
26
27 to 39
40
41
42 to 64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
I/O
I
O
O
O
O
O
O
I
I
I
I
I
I
I
I/O
O
O
O
I
I/O
—
I
I/O
O
O
—
O
O
O
O
—
—
I
—
O
I
O
O
I
—
I/O
I/O
I
Description
Remote control signal input from the remote control receiver (IC602)
Led For ENTER/AMS
WAKE-UP For Powersave
LED For TAPE B FW/RV
LED For CD PLAY/PAUSE
LED For TAPE A FW/RV
Dynamic LED
Jog dial pulse input from the S601 (JOG)
Rotary encoder pulse input from the S602 (VOLUME)
Rotary encoder pulse input from the S602 (VOLUME)
Key input terminal (A/D input) (S631 to S643)
Key input terminal (A/D input) (S644 to S657)
Key input terminal (A/D input) (S658 to S663)
Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter (IC603)
Vacs/non-stop
Led for DISK1
Led for DISK2
Led for DISK3
LED for GROOVE/JOG
Ground terminal
Ground terminal
Reference voltage (+5V) input terminal (forA/D conversion)
Power supply terminal (+5V)
Grid drive signal output to the fluorescent indicator tube (FL601)
Anode drive signal output to the fluorescent indicator tube (FL601)
Power supply terminal (+5V)
Anode drive signal output to the fluorescent indicator tube(FL601)
Led for VCD/PBC on
LED for STOP/PBC-OFF
Led for REC/PAUSE
Power supply terminal (-30V) (for fluorescent indicator tube drive)
Power supply terminal (+5V)
System clock input terminal (12.5MHz)
Ground terminal
System clock output terminal (12.5MHz)
System reset signal input from the reset sygnal generator (IC501)
Led for Standby
Led for timer
Connected to ground
Not connected
Communication data bus with the system controller (IC501)
Communication data reading clock sygnal input or transfer clock sygnal output withthe system controller
(IC501)
Jog dial pulse input from the S601 (JOG)
Pin Name
SIRCS
LED-ENTER-AMS
WAKE-UP
LED-TAPE-B
LED-CD-PLAY
LED-TAPE-A
L.SEL
JOG-B
VOL-A
VOL-B
KEY-0
KEY-1
KEY-2
BPF1 to BPF4
ALL BAND
LED-DISK-1
LED-DISK-2
LED-DISK-3
LED-GRV-JOG
VSS-IO
VASS
VAREF
VDD-IO
GRID 0 to GRID12
ANODE0
VDD-VFT
ANODE1 to
ANODE23
L-VCD-PBC
LED-NSTOP-
PBC-OFF
L-REC/PAUSE
VKK
VDD-CPU
XIN
VSS-CPU
XOUT
RESET
LED-STBY
LED-TMR
SELECT
TEST
N.C.
I2C DATA
I2C CLK
JOG-A
• PANEL BOARD IC601 TMP88CP76F-6001 (FLUORESCENT INDICATOR TUBE DRIVE, LED DRIVE,
KET CONTROL)
KET CONTROL)
52
Pin No.
Pin Name
I/O
Description
1
DVDD0
—
Digital power supply
2
XRST
I
System reset
3
MUTE
I
Muting selection pin
4
DATA
I
Serial data input, supplied from CPU
5
XLAT
I
Latch input, supplied from CPU
6
CLOK
I
Serial data transfer clock input, supplied from CPU
7
SENS
O
SENS output
8
SCLK
I
SENS serial data read-out clock
9
ATSK
I/O
Input pin for anti-shock (Ground)
10
WFCK
O
WFCK (Write Frame Clock) output (Not used)
11
XUGF
O
XUGF output (Not used)
12
XPCK
O
XPCK output (Not used)
13
GFS
O
GFS output (Not used)
14
C2P0
O
C2PO output
15
SCOR
O
Sub-code sync output
16
CM4
O
4.2336MHz output (Not used)
17
WDCK
O
48-bit slot D/A interface word clock (Not used)
18
DVSS
—
Digital ground
19
COUT
O
Numbers of track counted signal output (Not used)
20
MIRR
O
Mirror signal output (Not used)
21
DFCT
O
Defect signal output (Not used)
22
FOK
O
Focus OK output (Not used)
23
PWM1
I
(Not used)
24
LOCK
I/O
GFS in sampled by 460Hz (Not used)
25
MDP
O
Output to control spindle motor servo
26
SSTP
I
Input signal to detect disc inner most trak
27
FST0
O
2/3 divider output (Not used)
28
DVDD1
—
Digital power supply
29
SFDR
O
Sled drive output
30
SRDR
O
31
TFDR
O
Tracking drive output
32
TRDR
O
33
FFDR
O
Focus drive output
34
FRDR
O
35
DVSS1
—
Digital ground
36
TEST
I
TEST pin connected normally ground
37
TES1
I
38
VC
I
Center voltage input
39
FE
I
FOCUS error signal input
40
SE
I
Sled error signal input
• BD BOARD IC101 DIGITAL SIGNAL PROCESSOR (CXD3008Q)
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