Sony HTC-V5550 / MHC-V5550 / MHC-V7770AV Service Manual ▷ View online
— 61 —
Pin No.
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
O
O
—
O
O
O
O
O
O
O
O
—
O
I
I
I
I
—
I
I
I
O
O
O
O
O
O
O
O
O
O
—
O
O
O
I
I
O
I
O
O
Description
Table motor control output
Not used
Loading motor control signal output
LED ON/OFF control output
Ground
LED ON/OFF control output
BD Condition signal input
Slit sensor of disc table input
CD table detection signal input
Not used
Disc tray adrress detect encoder input
Loading out detection signal output
Capstan motor speed select signal output
Trigger motor control output
Trigger motor control output
Capstan motor control 1 (–) signal output
Capstan motor control 2 (–) signal output
TC mute ON/OFF selection output
REC/PB/PASS selection output
NR ON/OFF signal output
REC mute ON/OFF selection output
Not used
Bias ON/OFF signal output
Equalizer select output
PB Deck A/Deck B select output
Deck A play detect
Deck B play detect
REC/PB head selection output for IC602
Deck A cassette detect
ALC ON/OFF output signal
Capstan motor control 2 (+) signal output
Pin Name
TBL-L
TBL-R
NC
LOAD-OUT
LOAD-IN
CD-PAUSE
DECO2
CD-PLAY
EXIST3
EXIST1
DISC3
GND
DISC1
SENSE2
SENS
DISC-SENS
T-SENS
NC
ENC 3
ENC 2
ENC 1
OPEN
CAPM-H/L
B-TRG
A-TRG
CAPM-EMG (–)
CAPM-ON/OFF (–)
TC-MUTE
REC/CB
NR-ON/OFF
REC-MUTE
NC
BIAS
NORM/HI
PB-A/B
A-PLAY
B-PLAY
TC-RELAY
A-HALF
ALC-ON/OFF
CAPM-ON/OFF (+)
— 62 —
• VIDEO BOARD IC502 M30620MC-302FP (CD MECHSNIAM CONTROLLER)
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
I/O
I
O
O
O
O
I
I
I
—
O
O
I
O
—
I
—
I
I
I
I
O
O
I
O
I
I
O
O
I
I/O
O
I/O
O
I
O
O
—
I
O
O
I
Description
Internal status (SENSE) signal input from the CXD2545Q (IC101)
Sense serial data reading clock signal output to the CXD2545Q (IC101)
Serial data output to the CXD2545Q (IC101)
Serial data latch pulse output to the CXD2545Q (IC101)
Serial data transfer clock signal output to the CXD2545Q (IC101)
Disc tray status detection signal input terminal Not used (open)
Remote control signal input terminal Not used (open)
External data bus line byte selection signal input “L”: 16 bit, “H”: 8 bit (fixed at “L”)
Ground terminal
Muting on/off control signal output to the CXD2545Q (IC101) “H”: muting on
RF equalizer selection signal output terminal “L”: double speed
Reset signal input from the system controller (IC501) “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
Main system clock output terminal (10 MHz)
Ground terminal
Main system clock input terminal (10 MHz)
Power supply terminal (+5V)
Non-maskable interrupt input terminal (fixed at “H” in this set)
Subcode sync (S0+S1) detection signal input from the CXD2545Q (IC101)
Former type: UART communication data input from the expansion (IC402)
New type: Not used (open)
Interrupt request signal input from the MPEG video/audio decoder (IC505)
Command selection signal output to the MPEG video/audio decoder (IC505)
Serial data latch pulse output to the D/A converter (IC509) “L” active
Ready status detection signal input from the MPEG video/audio decoder (IC505)
Reset signal output to the MPEG video/audio decoder (IC505) “L”: reset
Rotary encoder jog dial pulse input terminal Not used (fixed at “H”)
Rotary encoder jog dial pulse input terminal Not used (fixed at “H”)
RF equalizer selection signal output terminal “H”: double speed
Laser on/off selection signal output to the CXA1821M (IC103) “H”: laser on
Former type: Communication data receive input from the expansion (IC402)
Newtype:Communication data reading clock signal input or transfer clock signal output with the
system controller (IC501) and fluorescent indicator tube driver (IC601)
Former type: Communication data transmit output to the expansion (IC402)
Newtype:Communication data bus with the systemcontroller (IC501) and fluorescent indicator
tube driver (IC601)
Serial data output to the MPEG video/audio decoder (IC505) and D/A converter (IC509)
Serial data input from the MPEG video/audio decoder (IC505)
Serial data transfer clock signal output to the MPEG video/audio decoder (IC505) and D/A
converter (IC509)
Sharpness control signal output of the video signal (Y signal) “H” active (“L”: normal)
Not used (open)
Sub-code Q data input from the CXD2545Q (IC101)
Sub-code Q data reading clock signal output to the CXD2545Q (IC101)
Power on/off control signal output terminal Not used (open)
Ready signal input terminal Not used (fixed at “H”)
Pin Name
SENSE
SENSE CLK
DSP DATA
DSP LATCH
DSP CLK
TSENS
REMOTE IN
BYTE
VSS
DSP MUTE
CTRL1
XRESET
XOUT
VSS
XIN
VCC
NMI
SCOR
ITOU
CL680 HINT
CL680 SEL
DF LATCH
CL680 HRDY
CL680 RESET
JOG1
JOG2
CTRL2
LDON
RXD
CLK
TXD
DATA
DATA1O
DATA1I
CLK1
SHARPNESS
XVLEVEL. DOWN
SUBQ DATA
SUBQ CLK
P.ON
BUS XRDY
— 63 —
Pin No.
40
41
42,43
44
45
46
47
48
49
50
51
52
53
54
55
56
57 to 59
60,61
62
63
64
65
66 to 71
72
73
74
75
76
77
78
79
80
81 to 88
89
90 to 92
93
94
95
96
97
98
99
100
I/O
—
I
—
I
I
—
O
O
O
O
I
I
I
I
O
O
I
—
—
—
—
O
O
O
O
I
I
I
O
O
O
O
I/O
O
I
I
I
I
—
I
I
—
O
Description
Not used (open)
Hold signal input terminal Not used (fixed at “H”)
Not used (open)
Destination setting terminal “L”: Chinese, “H”: English
Vertical synchronized signal input from the MPEG video/audio decoder (IC505) “L” active
Not used (open)
Low boost control signal output terminal Not used (open)
Audio muting on/off control signal output terminal “L”: muting on Not used (open)
Loading motor drive signal output terminal Not used (open)
Loading motor drive signal output terminal Not used (open)
Disc detection (load in) switch input terminal Not used (fixed at “H”)
Disc detection (load out) switch input terminal Not used (fixed at “H”)
Destination setting terminal (fixed at “L”)
Destination setting terminal (fixed at “L”)
Table motor drive signal output terminal Not used (open)
Table motor drive signal output terminal Not used (open)
Disc tray address detection signal input terminal Not used (open)
Not used (open)
Power supply terminal (+5V)
Not used (open)
Ground terminal
Video muting on/off control signal output terminal “L”: muting on
Address signal output for the external device Not used (open)
Former type: UART communication data output to the expansion (IC402)
New type: Not used (open)
LED drive signal output for the self diagnosis indicator (D502) Normally: “L” (LED on)
Setting terminal for the test mode 1 (for VCD check)
Normally: fixed at “H” (“L”: test mode)
Setting terminal for the test mode 2 (for SERVO check)
Normally: fixed at “H” (“L”: test mode)
Setting terminal for the test mode 3 Normally: fixed at “H” (“L”: test mode)
Not used (fixed at “H”)
System reset signal output to the CXD2545Q (IC101), BA6392FP (IC102) and D/A converter
(IC509) “L”: reset
Standby on/off control signal output terminal Not used (open)
Chip select signal output terminal Not used (open)
Blank control signal output terminal Not used (open)
Two-way data bus with the external device Not used (open)
Mic control signal output terminal Not used
Key input terminal Not used
Video system select switch (S501) input terminal “L”: PAL, “H”:
NTSC, Center voltage: AUTO
Volume input terminal Not used
Key input terminal Not used
Ground terminal (for A/D conversion)
Mode switch input terminal Not used
Reference voltage (+5V) input terminal (for A/D conversion)
Power supply terminal (+5V) (for A/D conversion)
Power amplifier on/off selection signal output terminal Not used (open)
Pin Name
BUS
BUS XHOLD
BUS
SHIMUKE
BUS
BUS XWRL
LO.BOOST
AUDIO MUTE
LOAD OUT
LOAD IN
INSW
OUTSW
MODEL1
MODEL2
TBLL
TBLR
ENC1 to ENC3
NCO
VCC
NCO
VSS
VMUTE
A6 to A1
UTOI
TEST LED
TEST1
TEST2
TEST3
DEVICE RESET
STANDBY
FL CS
FLBLK
D7 to D0
MIC CTRL
KEY1 to KEY3
NT/PAL
MUSIC VOL
KEY4
AVSS
MODE. SW
VREF
AVCC
AMP. ON
— 64 —
• VIDEO BOARD IC505 CL680T-D1 (MPEG VIDEO/AUDIO DECODER< VIDEO SIGNAL PROCESSOR)
Pin No.
1
2
3
4
5
6
7 to 9
10 to 15
16
17
18
19
20
21
22
23 to 28
29
30 to 36
37
38
39
40
41
42
43
44,45
46
47
48
49
50 to 52
53
54
55
56 to 58
59
60
61
62 to 64
65
66
67
68
69
70
71
I/O
—
—
I
I
I
I
—
I/O
—
I/O
—
I/O
—
I/O
—
I/O
I/O
—
O
O
—
O
—
O
O
O
O
—
O
—
O
—
O
—
O
—
I
I
—
—
—
O
—
O
—
—
Description
Not used (open)
Ground terminal
CD decode bit clock signal (2.8224 MHz) input from the CXD2545Q (IC101)
CD decode data input from the CXD2545Q (IC101)
CD decode L/R sampling clock signal (44.1 kHz) input from the CXD2545Q (IC101)
CD decode C2 error data input from the CXD2545Q (IC101)
Not used (open)
Two-way data bus with the program ROM (IC506) and D-RAM (IC507)
Ground terminal
Two-way data bus with the program ROM (IC506) and D-RAM (IC507)
Power supply terminal (+3.3V)
Two-way data bus with the program ROM (IC506) and D-RAM (IC507)
Ground terminal
Two-way data bus with the program ROM (IC506) and D-RAM (IC507)
Power supply terminal (+3.3V)
Two-way data bus with the program ROM (IC506) and D-RAM (IC507)
Two-way data bus with the program ROM (IC506)
Not used (open)
Chip enable signal output to the program ROM (IC506)
Write enable signal output to the D-RAM (IC507)
Ground terminal
Column address strobe signal output to the D-RAM (IC507)
Power supply terminal (+3.3V)
Row address strobe signal output to the D-RAM (IC507)
Row address strobe signal output terminal Not used (open)
Address signal output to the program ROM (IC506)
Address signal output to the program ROM (IC506) and D-RAM (IC507)
Ground terminal
Address signal output to the program ROM (IC506) and D-RAM (IC507)
Power supply terminal (+3.3V)
Address signal output to the program ROM (IC506) and D-RAM (IC507)
Ground terminal
Address signal output to the program ROM (IC506) and D-RAM (IC507)
Power supply terminal (+3.3V)
Address signal output to the program ROM (IC506) and D-RAM (IC507)
Not used (open)
Reset signal input from the CD mechanism controller (IC502) “L”: reset
Fix the maximum input voltage each input terminal and in/out terminal
Not used (open)
Ground terminal (for D/A converter)
Power supply terminal (+3.3V) (for D/A converter)
Composite video signal output terminal Not used (open)
Ground terminal (for D/A converter)
Luminance video signal output terminal
Power supply terminal (+3.3V) (for D/A converter)
Ground terminal (for D/A converter)
Pin Name
NC
VSS
CD-BCK
CD-DATA
CD-LRCK
CD-C2PO
NC
MD0 to MD5
VSS
MD6
VDD3
MD7
VSS
MD8
VDD3
MD9 to MD14
MD15
NC
MCE
MWE
VSS
CAS
VDD3
RAS0
RAS1
MA10, MA9
MA8
VSS
MA7
VDD3
MA6 to MA4
VSS
MA3
VDD3
MA2 to MA0
PGIO7
RESET
VDDMAX-IN
NC
AGND-DAC
AVDD-DAC
COMPOS OUT
AGND-DAC
Y-OUT
AVDD-DAC
AGND-DAC
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