Sony CMT-VB5 / HCD-VB5 Service Manual ▷ View online
29
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
—
O
—
I
O
O
I
I
I
I
I
I
I
I
I
I
I
I
I
—
—
I
I
I
I
I
I
I
I
I
I
I
I
I
—
I
—
—
O
Description
TUNED IN(L)/OFF(H)
TUNER CHIP ENB
TUNER DATA OUT
TUNER DATA IN
TUNER CLOCK
From CXP2587 SENS
Not used. OPEN
Not used. OPEN
CD RESET
Not used. OPEN
Not used. OPEN
POWER SUPPLY(+5V)
Not used. OPEN
Vss
Not used. OPEN
LOAD OUT
LOAD IN
Not used. OPEN
Not used. OPEN
CDM55 IN SW
TRAY OPEN switch
Not used. OPEN
Not used. OPEN
Not used. OPEN
Not used. OPEN
Not used. OPEN
Not used. OPEN
Not used. OPEN
Not used. OPEN
Not used. OPEN
Not used. OPEN
Not used. OPEN
Not used. OPEN
Not used. OPEN
Not used. OPEN
volume(A)
volume(B)
remote commander input
KEY-line(0)
KEY-line(1)
KEY-line(2)
Not used. OPEN
Not used. OPEN
Not used. OPEN
CMT-RB5(GND) / CMT-VB5(Vdd)
Analog ground
SPEC IN
Analog Reference Voltage
Analog Power Supply
SOFT CHECK OUT
Pin Name
TUNED
ST-CE
ST-DOUT
ST-DIN
ST-CLK
SENS
HOLD
XLTAT
XRST
LED
LED
VCC
LED
VSS
AMS-IN
LOAD-OUT
LOAD-IN
B-TRG
CAPM-CNT1
IN SW
OPEN-SW
TC-MUTE
REC/PB/PASS
DOLBY NR
REC-MUTE
BIAS
EQ-H/N
TC-RELAY
ALC
B-PLAY-SW
CD-DATA
CD-CLK
REC-OUT
JOG A
JOG B
ENC A
ENC B
SIRCS
KEY0
KEY1
KEY2
MD REC R
B-HALF
MD REC L
MODEL-IN
AVSS
SPEC-IN
VREF
AVCC
TEST
30
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
51
I/O
I
O
O
O
O
O
I
I
—
O
O
I
O
—
I
—
I
I
O
I
O
O
—
O
I
O
O
O
I/O
I/O
O
I
O
O
O
I
O
O
I
O
I
O
I
I
O
O
O
O
O
I
Description
Internal status (SENSE) signal input from the CXD3008Q (IC101)
Sense serial data reading clock signal output to the CXD3008Q (IC101)
Y resolution output
Chroma level output
Serial data transfer clock signal output to the CXD3008Q (IC101)
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 CXD3008Q (IC101) “H”: muting on
Clock selection signal output to the CXD3008Q (IC101) “L”: 16.9344 MHz (double speed), “H”: 33.8688 MHz
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 CXD3008Q (IC101)
Not used (open)
Interrupt request signal input from the MPEG video/audio decoder (IC505)
Serial data latch pulse output to the D/A converter (IC509) “L” active
Reset signal output to the MPEG video/audio decoder (IC505) “L”: reset
Horizontal sync signal input
Burst gate pulse signal output
AGC hold signal output
Laser power selection signal output to the CXA2568M (IC103) “H”: laser on
I
2
C clock signal from CD mechanism control (IC501).
I
2
C data signal from CD mechanism control (IC501).
Serial data output to the MPEG video/audio decoder (IC506) and D/A converter (IC509)
Serial data input from the MPEG video/audio decoder (IC506)
Serial data transfer clock signal output to the MPEG video/audio decoder (IC506) and D/A converter (IC509)
RTS signal to serial port (check connector).
Not used (open)
Sub-code Q data input from the CXD3008Q (IC101)
Sub-code Q data reading clock signal output to the CXD3008Q (IC101)
Power on/off control signal output terminal Not used (open)
Ready signal input terminal Not used (fixed at “H”)
Not used (open)
Hold signal input terminal Not used (fixed at “H”)
Not used (open)
OSD language select input terminal “H”: English, “L”: China
Vertical sync signal input
Bus write signal output.
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
Pin Name
SENSE
SENSE CLK
RESOLUTION
CHROMA LEVEL
DSP CLK
TSENS
REMOTE IN
BYTE
CN VSS
DSP MUTE
CTRL1
XRESET
XOUT
VSS
XIN
VCC
NMI
SCOR
DSENS
CL680 HINT
CL680 HSEL
DF LATCH
CL680 HRDY
CL680 RESET
H.SYNC IN
BGP
LPH
LD ON
12C.CLK
12C.DATA
DATA1O
DATA1I
CLK1
RTS1
XVLEVEL.DOWN
SUBQ DATA
SUBQ CLK
P.ON
BUS XRDY
BUS
BUS XHOLD
BUS
OSD.LANGUAGE
VSYNC
BUS XWRL
LO.BOOST
AUDIO MUTE
LOAD OUT
LOAD IN
INSW
• IC502 M30620MCA-A45FP
(CD MECHANISM CONTROLLER) (VIDEO BOARD)
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
51
I/O
I
O
O
O
O
O
I
I
—
O
O
I
O
—
I
—
I
I
O
I
O
O
—
O
I
O
O
O
I/O
I/O
O
I
O
O
O
I
O
O
I
O
I
O
I
I
O
O
O
O
O
I
Pin Name
SENSE
SENSE CLK
RESOLUTION
CHROMA LEVEL
DSP CLK
TSENS
REMOTE IN
BYTE
CN VSS
DSP MUTE
CTRL1
XRESET
XOUT
VSS
XIN
VCC
NMI
SCOR
DSENS
CL680 HINT
CL680 HSEL
DF LATCH
CL680 HRDY
CL680 RESET
H.SYNC IN
BGP
LPH
LD ON
12C.CLK
12C.DATA
DATA1O
DATA1I
CLK1
RTS1
XVLEVEL.DOWN
SUBQ DATA
SUBQ CLK
P.ON
BUS XRDY
BUS
BUS XHOLD
BUS
OSD.LANGUAGE
VSYNC
BUS XWRL
LO.BOOST
AUDIO MUTE
LOAD OUT
LOAD IN
INSW
31
Pin No.
52
53
54
55
56
57 to 59
60, 61
62
63
64
65
66 to 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
—
—
—
—
—
—
—
—
—
O
O
O
I
I
I
O
O
O
O
I/O
—
I
—
—
O
—
O
I
—
—
Description
Disc detection (load out) switch input terminal Not used (fixed at “H”)
Not used
Not used
Not used (open)
Not used (open)
Not used (open)
Not used (open)
Power supply terminal (+5V)
Not used (open)
Ground terminal
Video muting on/off control signal output
Address signal output for the external device 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 CXD3008Q (IC101), BA5974FP (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)
Not used.
Key input terminal Not used (fixed at “H”)
Not used.
Not used.
Serial data output to the CXD3008Q (IC101)
Ground terminal (for A/D conversion)
Serial data latch pulse output to the CXD3008Q (IC101)
Reference voltage (+5V) input terminal (for A/D conversion)
Power supply terminal (+5V) (for A/D conversion)
Not used.
Pin Name
OUTSW
MODEL1
MODEL2
TBLL
TBLR
ENC1 to ENC3
VCC
VSS
V.MUTE
A6 to A0
TEST LED
TEST1
TEST2
TEST3
DEVICE RESET
STANDBY
FL CS
FLBLK
D7 to D0
MIC CTRL
KEY1 to KEY3
NT/PAL
MUSIC VOL
DSP DATA
AVSS
DSP LATCH
VREF
AVCC
AMP ON
32
5-18.
IC BLOCK DIAGRAMS
11
12
10
VC
VC
VC
VC
VC
VC
VC
VCC
VCC
RF SUMMING AMP RF_EQ_AMP
ERROR AMP
FOCUS
FOCUS
TRACKING
ERROR AMP
ERROR AMP
VC BUFFER
VCC
VCC
VC
VC
VC
VC
VEE
VEE
VEE
VEE
VEE
VREF
13
14
15
6
5
1
2
3
4
7
8
9
16
19
20
21
22
23
24
18
17
HOLD
LD
PD
A
B
C
D
VEE
F
E
VC
AGCVTH
AGCCONT
VCC
LC/PD
LD_ON
LD_ON
HOLD_SW
RF_BOT
RFTC
RF_1
RFO
RFO
RFE
FE
TE
(50%/30%
OFF)
OFF)
APC PD AMP
APC LD AMP
IC103 CXA2568M-T6
(BD BOARD)
IC101
CXD3008Q
(BD BOARD)
26 27
28
29 30 31 32 33 34
35 36 37
38 39 40
TES1
SE
FE
VC
TFDR
DVSS1
FRDR
FFDR
TRDR
SRDR
SFDR
DVDD1
FST0
SSTP
TES1
80 79 78 77 76
75 74 73
72 71 70 69 68 67 66
XTSL
PCMD
BCK
EMPH
XOLT
XTA1
XTA0
SOUT
SOCK
SQSO
SQCK
SCSY
EXCK
EXCK
DVSS2
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
XRST
VDD
MDP
LOCK
PWM1
DFCT
MIRR
COUT
DVSS
WDCK
FDK
SCOR
C2P0
XPCK
XUGF
WFCK
ATSK
SENS
CLOK
XLAT
DATA
SENS
CLOK
XLAT
DATA
MUTE
SCLK
GFS
C4M
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
65
64
47
46
45
44
43
42
41
LRCK
DOUT
VPC0
ASYE
MD2
FIL0
CLTV
ASY0
ASY1
RFAC
AVSS1
FIL1
PCO
DVDD2
BIAS
V16M
CE
TE
RFDC
AD10
AVSS0
1GEN
AVDD
CLOCK
GENERATOR
ASYMMETY
CORRECTOR
DIGITAL
PLL
EFM
DEMODURATOR
DIGITAL
PLL
CPU
INTERFACE
SERVO
AUTO
SEQUENCER
SERVO
INTERFACE
SUB
CODE
PROCESSOR
DIGITAL
OUT
ERROR
CORRECTOR
32K
RAM
D/A
INTERFACE
MIRR
DFCT
FOK
OP
AMP
ANALOG
SW
A/D
CONVERTER
FOCUS SERVO
TRACKING
SERVO
SERVO DSP
SLED PWM
GENERATOR
TRACKING PWM
GENERATOR
FOCUS PWM
GENERATOR
PWM GENERATOR
SLED SERVO
Click on the first or last page to see other CMT-VB5 / HCD-VB5 service manuals if exist.