Sony CDC-R104 / CDC-X104 / CDC-X144 Service Manual ▷ View online
13
CDC-R104/X104/X144
2-9. LE MOTOR ASSY (M903)
2-10. SERVO BOARD
2
washer
4
qd
3
gear (LE1)
7
leaf spring (LE)
5
lever (D)
bracket (LEM)
slider (R)
6
screw
(+P 1.7
x 2.2)
8
screw
(+M 1.7
x 2.5)
qa
screw
(+M 1.7
x 2.5)
qf
two toothed lock screws
(+M 1.4
)
qs
screw
(+M 1.7
x 2.5)
9
bearing (LEB)
0
woam (LEB) assy
qg
LE motor assy
(M903)
1
Remove the soldering.
3
CN2
5
claw
6
SERVO board
4
toothed lock screw
(M 1.7)
1
Remove the eight solderings.
2
Remove the three solderings.
14
CDC-R104/X104/X144
3-1. IC PIN DESCRIPTIONS
• IC1 µPD63712GC-8EU-A (RF AMP, DIGITAL SERVO, DIGITAL SIGNAL PROCESSOR) (SERVO BOARD)
Pin No.
Pin Name
I/O
Pin Description
1
LD
O
Laser diode ON/OFF control signal output (L: laser OFF, H: laser ON)
2
PD
I
Dimmer monitor input from optical pick-up laser diode.
3
PN
I
Not used. (Fixed at L in this set)
4
AVDD
—
Analog power supply pin (+3.3 V)
5
DGND
—
Ground
6
RFOK
O
RFOK signal output to system control IC.
7
INTQ
O
CD text pack synchronization signal output to system control IC.
8
RST
I
CD reset signal input from system control IC.
9
A0
I
Command/parameter discrimination signal input from system control IC.
(L: command transmission, H: parameter transmission)
10
STB
I
Data strobe signal input from system control IC.
11
SCK
I
Serial clock input from system control IC.
12
SO
O
Serial data output to system control IC.
13
SI
I
Serial data input from system control IC.
14
DVDD
—
Power supply pin (+3.3 V)
15
DAVDD
—
D/A converter power supply (+) pin (+3.3 V)
16
ROUT
O
Analog audio signal output (R-ch)
17
DAGND
—
Ground
18
REGC
—
Capacitor connection pin for SCF regulator.
19
DAGND
—
Ground
20
LOUT
O
Analog audio signal output (L-ch)
21
DAVDD
—
D/A converter power supply (+) pin (+3.3 V)
22
XVDD
—
Power supply pin (+3.3 V)
23
XTAL
O
Main system clock output (16.9344 MHz)
24
XTAL
I
Main system clock input (16.9344 MHz)
25
XGND
—
Ground
26
DVDD
—
Power supply pin (+3.3 V)
27
C1D1/FZD
O
Not used. (Open)
28
C1D2/TZD
O
Not used. (Open)
29
C2D1/RMUTE
O
CD R-ch data zero detection signal output
30
C2D2/LMUTE
O
CD L-ch data zero detection signal output
31
C2D3/SHOCK/SBSY
O
Not used. (Open)
32
LOCK/FR
O
Not used. (Open)
33
WFCK/MIRR
O
Not used. (Open)
34
RFCK/HOLD
O
Not used. (Open)
35
PLCK
O
Not used. (Open)
36
C16M
O
Not used. (Open)
37
DGND
—
Ground
38
TX
O
Not used. (Open)
39
EMPH/RAMOVER
O
Not used. (Open)
40
FLAG
O
Not used. (Open)
41
DVDD
—
Power supply pin (+3.3 V)
42
LIMIT
I
Not used. (Fixed at L in this set)
43
XTALEN
I
Oscillation circuit ON/OFF control signal input (L: ON, H: OFF)
(Fixed at L in this set)
44
DGND
—
Ground
45
DIN
I
Not used. (Connect to DOUT in this set)
46
DOUT
O
Not used. (Connect to DIN in this set)
47
SCKIN
I
Not used. (Connect to SCKO in this set)
48
SCKO
O
Not used. (Connect to SCKIN in this set)
49
LRCKIN
I
Not used. (Connect to LRCK in this set)
SECTION 3
DIAGRAMS
15
CDC-R104/X104/X144
Pin No.
Pin Name
I/O
Pin Description
50
LRCK
O
Not used. (Connect to LRCKIN in this set)
51
DVDD
—
Power supply pin (+3.3 V)
52
FD+
O
Focus servo drive PWM signal output (+)
53
FD–
O
Focus servo drive PWM signal output (–)
54
TD+
O
Tracking servo drive PWM signal output (+)
55
TD–
O
Tracking servo drive PWM signal output (–)
56
SD+
O
Sled servo drive PWM signal output (+)
57
SD–
O
Sled servo drive PWM signal output (–)
58
MD+
O
Spindle servo drive PWM signal output (+)
59
MD–
O
Spindle servo drive PWM signal output (–)
60
DGND
—
Ground
61
TESTEN
I
Test setting input (Fixed at L in this set)
62 to 66
TEST4 to TEST0
I
Test setting input (Fixed at L in this set)
67
ADGND
—
A/D converter power supply (–) pin
68
EFM
O
EFM signal output
69
ASY
I
EFM comparator reference voltage input
70
ADVDD
—
A/D converter power supply pin (+3.3 V)
71
RFI
I
RF signal input for EFM data growing.
72
EQ2
—
Not used. (Open)
73
EQ1
—
RF amplifier equalizer parts connection pin
74
RF–
I
Not used. (Open)
75
RF2–
I
RF amplifier inversion input
76
AGCO
O
RF signal output after on AGC.
77
AGCI
I
RF AGC signal amplifier input
78
RFO
O
RF signal output before on AGC.
79
ATEST
I
Not used. (Open)
80
C3T
—
Capacitor connection pin for 3T detection.
81
AGND
—
Ground
82
A
I
Signal input (A) from optical pick-up detector.
83
C
I
Signal input (C) from optical pick-up detector.
84
B
I
Signal input (B) from optical pick-up detector.
85
D
I
Signal input (D) from optical pick-up detector.
86
F
I
Signal input (F) from optical pick-up detector.
87
E
I
Signal input (E) from optical pick-up detector.
88
VREFIN
I
Reference voltage (+1.65 V) input
89
AVDD
—
Analog power supply pin (+3.3 V)
90
REFOUT
O
Reference voltage (+1.65 V) output
91
REFC
—
Capacitor connection pin for reference voltage output.
92
FE–
I
Focus error signal amplifier inversion input
93
FEO
O
Focus error signal amplifier output
94
ADCIN
I
Not used. (Open)
95
TE-
I
Tracking error signal amplifier inversion input
96
TEO
O
Tracking error signal amplifier before output
97
TE2
O
Tracking error signal amplifier after output
98
TEC
I
Tracking error signal comparator input
99
AGND
—
Ground
100
PWMSW
I
Not used. (Fixed at L in this set)
16
CDC-R104/X104/X144
• IC501 MN101E01KAB (SYSTEM CONTROL) (MAIN BOARD (1/2))
Pin No.
Pin Name
I/O
Pin Description
1
DAVDD
—
Power supply pin for D/A output converter (+3.3 V)
2
BBE-MP
O
Not used in this set. (Open)
3
DAVSS
—
Ground pin for D/A output converter
4 to 6
NCO
O
Not used in this set. (Open)
7
UNISO
O
SONY-BUS data signal output Not used in this set. (Open)
8
UNISI
I
SONY-BUS data signal input Not used in this set.
9
UNICKO
O
SONY-BUS clock signal output Not used in this set.
10
VDD1
—
Power supply pin for internal core (+3.3 V)
11
MMOD
I
Flash microcomputer write detection signal input Not used in this set.
12
OSCOUT
O
High speed operation clock signal output (27 MHz)
13
OSCIN
I
High speed operation clock signal input (27 MHz)
14
VSS1
—
Ground pin for internal core
15
XIN
I
Low speed operation clock signal input (32.768 kHz)
16
XOUT
O
Low speed operation clock signal output (32.768 kHz)
17
VDD2
—
Power supply pin for internal core (+3.3 V)
18
MOD1
—
Pull up: “H”
19
RESET
I
Reset signal input
20
NCO
O
Not used in this set. (Open)
21
ACC IN
I
Accessory power supply detection signal input
22
TEST IN
I
Test mode detection signal input
23
TEL ATT
I
Telephone attenuate detection signal input
24
ATT
O
Audio mute control signal output
25
XKEYON
O
Key power supply control signal output Not used in this set. (Open)
26
NCO
O
Not used in this set. (Open)
27
KEYACK
I
Key acknowledge detection signal input
28
TU ATTIN
I
Tuner mute ZERO cross detection signal input
29, 30
NCO
O
Not used in this set. (Open)
31
BUIN
I
Back up power supply detection signal input
32
CD INTQ
I
CD servo IC CD text pack synchronization signal input
33
CD SO
O
CD servo IC serial data signal output (for command/text)
34
CD SI
I
CD servo IC serial data signal input (for command/text)
35
CD SCK
O
CD servo IC serial clock signal output (for command/text)
36
BUSON
O
BUS on signal output
37
SYSRST
O
System reset signal output
38
CD RFOK
I
CD servo IC RFOK signal input
39
CD RST
O
CD servo IC reset signal output
40
CD A0
O
CD servo IC command/parameter identification signal output
Command transmission: “L”, Parameter transmission: “H”
41
CD STB
O
CD servo IC data strob signal output
42
CD MUTE R
I
Mechadeck mute zero cross detection signal input R
43
CD MUTE L
I
Mechadeck mute zero cross detection signal input L
44
CD INSW
I
CD mecha disc in switch detection signal input
45
CD SELFSW
I
CD mecha self load position detection switch signal input
46
CD LM LO
O
CD mecha loading motor control signal output
47
CD LM EJ
O
CD mecha eject motor control signal output
48
CD DSW
I
CD mecha down switch detection signal input
49
CD LIMIT
I
CD mecha in-limit switch signal input
50
NCO
O
Not used in this set. (Open)
51
AREASEL1
I
Destination function setting input 1
52
AREASEL2
I
Destination function setting input 2
53
AREASEL3
I
Destination function setting input 3
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