Sony HTC-NX1 / MHC-NX1 / MHC-NX3AV Service Manual ▷ View online
33
IC103
CXA2568M-T6
APC PD AMP
APC LD AMP
RF SUMMING AMP
RF EQ AMP
FOCUS ERROR AMP
TRACKING
ERROR AMP
VC BUFFER
VCC
50
µ
A
VEE
VEE
VC
VC
VC
VC
VC
VC
VC
VC
VC
VC
VCC
VEE
VCC
VEE
VEE
VC
VCC
LC/PD
LD ON
HOLD SW
AGC CONT
RFTC
RF I
RF O
RFE
TE
FE
RF BOT
HOLD
AGC VTH
LD
PD
A
B
C
D
VEE
F
E
VC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
+
–
–
+
–
–
+
–
–
+
–
–
+
–
–
+
–
+
–
–
VCC
+
–
–
+
–
–
+
–
–
+
–
+
–
–
+
–
–
+
–
–
+
–
–
+
–
REG
CONTROL
INPUT
AMP.
INPUT
AMP.
1
2
2
3
4
5
6
7
8
POWER AMP.
POWER AMP.
VCC
OUT1
IN2
REFERENCE
GND
IN1
OUT2
VCC
1
2
3
4
5
6
7
8
9
INVERTER
COMPARATER
SW R1
GND
SW P1 CONT
GND
VCC
SW P2 GND
SW R2
– CLAMP MOTOR/LOAD MOTOR Board –
IC701
IC701
M54641L (CLAMP MOTOR Board)
IC702
M54641L (LOAD MOTOR Board)
– AUDIO Board –
IC602
IC602
µPC1330HA
34
7-15.
IC PIN FUNCTION DESCRIPTION
•
MAIN BOARD IC101 M30622MA-A13FP (SYSTEM CONTROLER (CD MECHANISM CONTROL))
Pin No.
Pin Name
I/O
Description
1
CD DATA
O
Serial data output to the CXD2587Q (IC101) on the CD block
2
CD CLK
O
Serial data transfer clock signal output to the CXD2587Q (IC101) on the CD block
3
XLT
O
Serial data latch pulse output to the CXD2587Q (IC101) on the CD block
4
XRST
O
Reset signal output to the CXD2587Q (IC101) and BA5974FP (IC102) on the CD block
“L”: reset
“L”: reset
5
NC
O
Not used (open)
6
SQ DATA IN
I
Subcode Q data input from the CXD2587Q (IC101) on the CD block
7
SQ CLK
O
Subcode Q data reading clock signal output to the CXD2587Q (IC101) on the CD block
8
BYTE
I
External data bus line byte selection signal input terminal Fixed at “L” in this set
9
CNVSS
—
Ground terminal
10
XCIN
I
Sub system clock input terminal Not used ( fixed at “L”)
11
XCOUT
O
Sub system clock output terminal Not used (open)
12
RESET
I
System reset signal input from the reset signal generator (IC102) “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”
13
XOUT
O
Main system clock output terminal (16 MHz)
14
VSS
—
Ground terminal
15
XIN
I
Main system clock input terminal (16 MHz)
16
VDD
—
Power supply terminal (+5V)
17
NMI
I
Non-maskable interrupt input terminal Fixed at “H” in this set
18
WAKE UP
I
Wakeup control signal input from the CPU in the STR-NX1/NX3 “H” active
19
SCOR
I
Subcode sync (S0+S1) detection signal input from the CXD2587Q (IC101) on the CD block
20
LED POWER
CTRL
O
Power on/off control signal output of the key illumination LED (D201 to D204, D218 to D225)
“H”: LED on
“H”: LED on
21
SENSE
I
Internal status detection monitor input from the CXD2587Q (IC101) on the CD block
22
CD HOLD
O
Laser power control signal output to the CXA2568M (IC103) on the CD block
23
LED A5
O
LED drive signal output of the DISC 5 indicator (D214) (for amber color)
24
LED G5
O
LED drive signal output of the DISC 5 indicator (D214) (for red color)
25
LED A4
O
LED drive signal output of the DISC 4 indicator (D210) (for amber color)
26
LED G4
O
LED drive signal output of the DISC 4 indicator (D210) (for red color)
27
LED A3
O
LED drive signal output of the DISC 3 indicator (D215) (for amber color)
28
LED G3
O
LED drive signal output of the DISC 3 indicator (D215) (for red color)
29
IIC CLK
I/O
Communication data reading clock signal input or transfer clock signal output with the CPU in the
STR-NX1/NX3
STR-NX1/NX3
30
IIC DATA
I/O
Communication data bus with the CPU in the STR-NX1/NX3
31
TXD1
O
Not used (open)
32
RXD1
I
Not used (fixed at “L”)
33
CLK1
I
Not used (fixed at “L”)
34
RTS1
O
Not used (open)
35
LED A2
O
LED drive signal output of the DISC 2 indicator (D213) (for amber color)
36
LED G2
O
LED drive signal output of the DISC 2 indicator (D213) (for red color)
37
LED A1
O
LED drive signal output of the DISC 1 indicator (D209) (for amber color)
38
LED G1
O
LED drive signal output of the DISC 1 indicator (D209) (for red color)
39
SOFT CHECK
O
Output terminal for the software check Not used (open)
40
LED G CDPS
O
LED drive signal output of the S (CD) indicator (D212) “L”: LED on
41
XHOLD
I
Not used (fixed at “L”)
35
Pin No.
Pin Name
I/O
Description
42
LED A CDPL
O
LED drive signal output of the G (CD) indicator (D211) “L”: LED on
43
LED A RECP
O
LED drive signal output terminal Not used (open)
44
LED R RECP
O
LED drive signal output of the REC PAUSE/START indicator (D217) “H”: LED on
45
LED SYNC
O
LED drive signal output of the CD SYNC indicator (D216) “H”: LED on
46
XWR
I
Not used (fixed at “H”)
47
SOFT MODE1
I
Destination setting terminal (normally: fixed at “L”)
48
SOFT MODE0
I
Destination setting terminal (normally: fixed at “L”)
49
CD ADJ
I
Setting terminal for the CD test mode Normally: fixed at “H” (“L”: test mode)
50
LED TCB R
O
LED drive signal output of the g (DECK B) indicator (D205) “L”: LED on
51
LED TCB F
O
LED drive signal output of the G (DECK B) indicator (D207) “L”: LED on
52
LED TCA R
O
LED drive signal output of the g (DECK A) indicator (D206) “L”: LED on
53
LED TCA F
O
LED drive signal output of the G (DECK A) indicator (D208) “L”: LED on
54
AMUTE
O
Analog line muting on/off control signal output terminal “H”: line muting on Not used (open)
55
CD-POWER
O
Power on/off control signal output of the CD mechanism deck section
“L”: standby mode, “H”: power on
“L”: standby mode, “H”: power on
56
PRTC SW
I
Detection input from the CD tray door open/close detect switch (S702)
“L”: when CD lid is open, “H”: when CD lid is close
“L”: when CD lid is open, “H”: when CD lid is close
57
INIT SW
I
Detection input from the INIT detection switch (S705) on the CD mechanism block
“L”: when elevator down to bottom, others: “H”
“L”: when elevator down to bottom, others: “H”
58
OUT SW
I
Detection input from the tray open/close detect switch (S708) on the CD mechanism block
“L”: when tray is open, “H”: when tray is close
“L”: when tray is open, “H”: when tray is close
59
IN SW
I
Detection input from the tray open/close detect switch (S704) on the CD mechanism block
“L”: when tray is close, “H”: when tray is open
“L”: when tray is close, “H”: when tray is open
60
MIDOUT SW
I
Detection input from the mid out detect switch (S701) on the CD mechanism block
“L”: when tray is going to open or close
“L”: when tray is going to open or close
61
MIDIN SW
I
Detection input from the mid in detect switch (S703) on the CD mechanism block
“L”: when sub tray move between tray and stocker
“L”: when sub tray move between tray and stocker
62
VCC
—
Power supply terminal (+5V)
63
LOD-NEG
O
CD loading motor (M702) control signal output to the motor driver IC (IC702) “L” active *1
64
VSS
—
Ground terminal
65
LOD-POS
O
CD loading motor (M702) control signal output to the motor driver IC (IC702) “L” active *1
66
CLP-NEG
O
CD elevator up/down motor (M701) control signal output to the motor driver IC (IC701)
“L” active *2
“L” active *2
67
CLP-POS
O
CD elevator up/down motor (M701) control signal output to the motor driver IC (IC701)
“L” active *2
“L” active *2
68 to 70
ENC2,
ENC1,ENC0
I
Detection input from the disc tray address detect rotary encoder (S707) on the CD mechanism
block
block
71
TC-RELAY
O
Recording/playback select signal output to the REC/PB switch (IC602)
“L”: playback, “H”: recording
“L”: playback, “H”: recording
72
B-TRG
O
Deck-B side trigger plunger drive signal output terminal “H”: plunger on
73
A-TRG
O
Deck-A side trigger plunger drive signal output terminal “H”: plunger on
*1 CD loading motor (M702) control
*2 CD elevator up/down motor (M701) control
Loading
Eject
Stop
Brake
Elevator
Up
Elevator
Down
Stop
Brake
LOD-NEG (pin yd )
“L”
“H”
“H”
“L”
CLP-NEG (pin yh )
“L”
“H”
“H”
“L”
LOD-POS (pin yg )
“H”
“L”
“H”
“L”
CLP-POS (pin yj )
“H”
“L”
“H”
“L”
Terminal
Mode
Terminal
Mode
Terminal
Mode
Terminal
Mode
36
Pin No.
Pin Name
I/O
Description
74
CAPM-CNT2
O
Capstan motor (M1) drive signal output terminal “H” active *3
75
CAPM-CNT1
O
Capstan motor (M1) drive signal output terminal “H” active *3
76
CAP-M-H/L
O
High/normal speed selection signal output of the capstan motor (M1)
“L”: normal speed, “H”: high speed
“L”: normal speed, “H”: high speed
77
AMS-IN
I
Whether a music is present or not from the HA12215F (IC301) is detected an automatic music
sensor “L”: music is present, “H”: music is not present
sensor “L”: music is present, “H”: music is not present
78
TC-MUTE
O
Line muting on/off selection signal output to the HA12215F (IC301)
“L”: muting off, “H”: muting on
“L”: muting off, “H”: muting on
79
REC/PB/PASS
O
Recording/playback/pass selection signal output to the HA12215F (IC301)
“L”: recording mode, “H”: pass, “Hi-z”: playback mode
“L”: recording mode, “H”: pass, “Hi-z”: playback mode
80
DOLBY NR
O
Dolby NR on/off selection signal output to the HA12215F (IC301)
“L”: dolby off, “H”: dolby on
“L”: dolby off, “H”: dolby on
81
REC-MUTE
O
Recording muting on/off selection signal output to the HA12215F (IC301)
“L”: muting on, “H”: muting off
“L”: muting on, “H”: muting off
82
BIAS
O
Recording bias on/off selection signal output to the HA12215F (IC301)
“L”: bias off, “H”: bias on
“L”: bias off, “H”: bias on
83
EQ-H/N
O
Normal/high speed selection signal output to the HA12215F (IC301)
“L”: normal speed, “H”: high speed
“L”: normal speed, “H”: high speed
84
PB-A/B
O
Deck-A/B selection signal output to the HA12215F (IC301) “L”: deck-A, “H”: deck-B
85
ALC
O
Automatic limiter control signal output to the HA12215F (IC301) “L”: limiter on
86
B-PLAY-SW
I
Detection input from the deck-B play detect switch (S1002) “H”: deck-B play
87
A-PLAY-SW
I
Detection input from the deck-A play detect switch (S1001) “H”: deck-A play
88
A-HALF
I
Detection input from the deck-A cassette detect switch (S1003)
“L”: cassette in, “H”: no cassette
“L”: cassette in, “H”: no cassette
89
B-HALF
I
Detection input from the deck-B half detect switch (S1006)
90
B-SHUT
I
Shut off detection signal input from the deck-B side reel pulse detector (IC1002)
91
A-SHUT
I
Shut off detection signal input from the deck-A side reel pulse detector (IC1001)
92
DISC-SENS
I
Detection input from the disc in detect sensor (D704 and Q703) on the CD mechanism block
“H”: disc detected
“H”: disc detected
93
CNT-SW
I
Detection input from the count detect switch (S706) on the CD mechanism block
“L”: when elevator up/down each sub tray stock position
“L”: when elevator up/down each sub tray stock position
94
MODEL-IN
I
Destination setting terminal
95
KEY1
I
Key input terminal (A/D input)
S211 to S223 (G/S/s (CD), DISC 1/2/3/4/5, A (DISC 5/4/3/2/1)) keys input
S211 to S223 (G/S/s (CD), DISC 1/2/3/4/5, A (DISC 5/4/3/2/1)) keys input
96
AVSS
—
Ground terminal (for A/D conversion)
97
KEY0
I
Key input terminal (A/D input)
S201 to S206, S224 to S228 (s/G/g (DECK B),
S201 to S206, S224 to S228 (s/G/g (DECK B),
s/G/g (DECK A), HI DUB, CD SYNC,
REC PAUSE/START, DIRECTION, DOLBY NR) keys input
98
VREF
I
Reference voltage (+5V) input terminal (for A/D conversion)
99
AVCC
—
Power supply terminal (+5V) (for A/D conversion)
100
NC
I
Not used (fixed at “L”)
*3 Capstan motor (M1) control
Stop
Forward
Direction
Reverse
Direction
Brake
CAPM-CNT2 (pin uf )
“L”
“H”
“L”
“H”
CAPM-CNT1(pin ug )
“L”
“L”
“H”
“H”
Terminal
Mode
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