Sony CMT-J3MD / HCD-J3MD Service Manual ▷ View online
73
MAIN BOARD (2/2)
IC211 LB1641
TC BOARD
IC432
µ
PC1330HA
1
2
3
4
5
6
7
8
9
10
GND
MOTOR
DRIVE
NOISE
FILTER
CLAMP
FWD.IN
REV.IN
VCC 1
VCC 2
NOISE
FILTER
MOTOR
DRIVE
MOTOR
DRIVE
MOTOR
DRIVE
T.S.D
O.C.P
FWD/REV/STOP
CONTROL LOGIC
1
2
3
4
5
6
7
8
9
INVERTER
COMPARATER
SW R1
GND
SW P1
CONT
GND
VCC
SW P2
GND
SW R2
74
6-26. ZIC PIN FUNCTION DESCRIPTION
• IC101 RF Amplifier (CXA2523AR) (BD(MD) board (1/2))
Pin No.
Pin Name
I
I
O
I
I
O
I
—
I
O
I
I
I
I
I
O
I/O
I/O
—
I/O
O
—
O
O
I
—
O
O
O
O
O
O
O
—
I
O
I
I/O
O
I
O
I
O
I-V converted RF signal I input
I-V converted RF signal J input
Middle point voltage (+1.5V) generation output
Signal input from the optical pick-up detector
Light amount monitor input
Laser APC output
Reference voltage input for setting laser power
Ground
Temperature sensor connection
Reference voltage output for the temperature sensor
Serial data input from CXD2654R
Serial clock input from CXD2654R
Latch signal input from CXD2654R “L”: Latch
Stand by signal input
“L”: Stand by
Center frequency control voltage input of BFF22, BPF3T, EQ from CXD2654R
Reference voltage output (Not used)
Center frequency setting pin for the internal circuit EQ
Center frequency setting pin for the internal circuit BPF3T
+3V power supply
Center frequency setting pin for the internal circuit BPF22
Tracking error signal output to CXD2654R
External capacitor connection pin for the sled error signal LPF
Sled error signal output to CXD2654R
FM signal output of ADIP
ADIP signal comparator input
ADFM is connected with AC coupling
External capacitor connection pin for AGC of ADIP
ADIP duplex signal output to CXD2654R
I3 signal/temperature signal output to CXD2654R (Switching with a serial command)
Focus error signal output to CXD2654R
Light amount signal output to CXD2654R
RF/ABCD bottom hold signal output to CXD2654R
RF/ABCD peak hold signal output to CXD2654R
RF equalizer output to CXD2654R
External capacitor connection pin for the RF AGC circuit
Input to the RF AGC circuit
The RF amplifier output is input with AC coupling
User comparator output (Not used)
User comparator input (Fixed at “L”)
External capacitor pin for cutting the low band of the ADIP amplifier
User operation amplifier output (Not used)
User operation amplifier inversion input (Fixed at “L”)
RF amplifier output
Groove RF signal is input with AC coupling
Groove RF signal output
1
2
3
4 to 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
• Abbreviation
APC: Auto Power Control
AGC: Auto Gain Control
AGC: Auto Gain Control
75
• IC101 DIGITAL SIGNAL PROCESSOR (CXD2587Q) (BD(CD) board)
SQSO
SQCK
XRST
SYSM
DATA
XLAT
CLOK
SENS
SCLK
VDD
ATSK
SPOA
SPOB
XLON
WFCK
XUGF
XPCK
GFS
C2PO
SCOR
COUT
MIRR
DFCT
FOK
LOCK
MDP
SSTP
SFDR
SRDR
TFDR
TRDR
FFDR
FRDR
VSS
TEST
TES1
XTSL
VC
FE
SE
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
O
I
I
I
I
I
I
O
I
—
I/O
I
I
O
O
O
O
O
O
O
I/O
I/O
I/O
I/O
I/O
O
I
O
O
O
O
O
O
—
I
I
I
I
I
I
Sub-Q 80-bit and PCM peak level data output (CD text data output)
Clock input for SQSO read-out
System reset
“L” : reset
Muting input “H” : mute
Data input, supplied from CPU
Latch input, supplied from CPU
Clock input, supplied from CPU
SENS signal output
SENS serial clock signal input
Digital power supply
Input pin for anti-shock (Connected to ground)
Microcomputer interface escape input A (Connected to ground)
Microcomputer interface escape input B (Connected to ground)
Microcomputer escape interface output
WFCK output (Not used)
Not used
Not used
Not used
Not used
Sub-code sync output
Not used
Mirror signal input/output (Not used)
Defect signal input/output (Not used)
Focus OK input/output (Not used)
Not used
Output to control spindle motor servo
Input signal to detect disc inner most track
Solid drive output
Solid drive output
Tracking drive output
Tracking drive output
Focus drive output
Focus drive output
Digital ground
TEST input pin connected normally to ground
TEST input pin connected normally to ground
X'tal selection input (Connected to ground)
Center voltage input pin
Focus error signal input
Solid error signal input
Pin No.
Pin Name
I/O
Function
• Abbreviation
GFS : Guarded Frame Sync
76
• Abbreviation
EFM : Eight to Fourteen Modulation
PLL : Phase Locked Loop
PLL : Phase Locked Loop
Pin No.
Pin Name
I/O
Function
TE
CE
RFDC
ADIO
AVSS0
IGEN
AVDD0
ASYO
ASYI
BIAS
RFAC
AVSS3
CLTV
FILO
FILI
PCO
AVDD3
VSS
VDD
DOUT
LRCK
PCMD
BCK
EMPH
XVDD
XTAI
XTAO
XVSS
AVDD1
AOUT1
AIN1
LOUT1
AVSS1
AVSS2
LOUT2
AIN2
AOUT2
AVDD2
RMUT
LMUT
41
42
43
44
45
46
47
48
49
50
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
I
I
I
O
—
I
—
O
I
I
I
—
I
O
I
O
—
—
—
O
O
O
O
O
—
I
O
—
—
O
I
O
—
—
O
I
O
—
O
O
Tracking error signal input
Center servo analog input
RF signal input
Test pin (Not used)
Analog ground
Stabilized current input for operational amplifiers
Analog power supply
EFM full swing output
EFM asymmetry comparate voltage input
Asymmetry circuit constant current input
EFM signal input
Analog ground
Control voltage input for master VCO1
Filter output for master PLL
Filter input for master PLL
Charge-pump output for master PLL
Analog power supply
Digital ground
Digital power supply
Digital-out output pin
D/A interface LR clock output (ƒ = Fs) (Not used)
D/A interface serial data output (Not used)
D/A interface bit clock output (Not used)
Playback disc output in emphasis mode (Not used)
Power supply for master clock
X'tal oscillator circuit input (16.9344MHz)
X'tal oscillator circuit output (16.9344MHz)
Ground for master clock
Analog power supply
L-ch analog output
L-ch operational amplifiers input
L-ch line output
Analog ground
Analog ground
R-ch line output
R-ch operational amplifiers input
R-ch analog output
Analog power supply
R-ch “0” detection flag output (Not used)
L-ch “0” detection flag output (Not used)
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