Sony HCD-EC55 / HCD-EC77 / HCD-GX99 / MHC-EC55 / MHC-EC77 / MHC-GX99 Service Manual ▷ View online
49
HCD-EC55/EC77/GX99
1
AM RF-IN
3
FM-MIX
2
REG
6
VCC1
4
GND1
AM
RF
AM
MIX
AM
DET
AM
IF
FM
DET
FM
IF
SD
FF
VCO
FF
FF
ST
TRIG
STSW
FM
MIX
FM
OSC
AM
OSC
OSC
BUFFER
FM
S-METER
DECODER
PHASE
COMPARATOR
MUTE
PROGRAMMABLE
DIVIDER
REFERENCE
DIVIDER
UNLOCK
DETECTOR
SWALLOW
COUNTER
POWER ON
RESET
DATA SHIFT
REGISTER
LATCH
PHASE
DETECTOE
CHARGE
PUMP
UNIVERSAL
COUNTER
5
AM-MIX
7
AMIF-IN
8
FMIF-IN
9
P-DET
10
P-COMP
11
FM-DET
12
L-OUT
13
R-OUT
14
VSS
FM
RF
36 FM RF-IN
35 GND2
34 FMRF-OUT
33 VCC2
30 BO2
29 BO1
29 BO1
32 FM-OSC
31 AM-OSC
28 A-OUT
27 A-IN
27 A-IN
23 DET-OUT
15
CE
16
DI
17
CL
18
DO
22 MPX-IN
19 XIN
20 XOUT
21 VDD
26 PD
25 AGC
25 AGC
24 AM LOW-CUT
LOW-PASS
FILTER
AGC
IF
BUFFER
PIROT
DET
CCB
I/F
IC801 LV23003VA
– MAIN Board –
50
HCD-EC55/EC77/GX99
IC101 STK433-060 (EC55)/STK433-070 (EC77: EXCEPT US, CND)
IC102 STK433-090-E (EC77: US, CND/GX99)
IC102 STK433-090-E (EC77: US, CND/GX99)
– HI-AMP Board –
SUB
Bias Circuit
Pre Driver
CH1
Pre Driver
CH2
3
2
1
4
6
5
8
7
13
10
11 12
9
14
15
-PRE
-VCC
+VCC
LO+
LO-
RO+
RO-
+PRE
SUB
GND
LI+
LI-
ST-BY
RI-
RI+
IC101 STK433-070 (EC77: EXCEPT US, CND)
IC102 STK433-090-E (EC77: US, CND/GX99)
IC102 STK433-090-E (EC77: US, CND/GX99)
– LOW-AMP Board (EC77/GX99) –
SUB
Bias Circuit
Pre Driver
CH1
Pre Driver
CH2
3
2
1
4
6
5
8
7
13
10
11 12
9
14
15
-PRE
-VCC
+VCC
LO+
LO-
RO+
RO-
+PRE
SUB
GND
LI+
LI-
ST-BY
RI-
RI+
51
HCD-EC55/EC77/GX99
• IC Pin Function Description
BD90 BOARD IC101 TC94A70FG-006 (RF AMP, DSP, MP3)
BD90 BOARD IC101 TC94A70FG-006 (RF AMP, DSP, MP3)
Pin No.
Pin Name
I/O
Description
1
AVSS3
—
Ground terminal (Used CD analog 3.3V)
2
RFZi
I
RF ripple zero cross signal input terminal
3
RFRP
O
RF ripple signal output terminal
4
SBAD/RFDC
O
Select terminal of sub beam output and RF peak detect signal (Not used (Open))
5
FEi
O
Focus error signal output terminal (Not used (Open))
6
TEi
O
Tracking error signal output terminal (Not used (Open))
7
TEZi
I
Tracking error signal input terminal (Used zero cross)
8
AVDD3
—
Power supply terminal (Used CD analog 3.3V)
9
FOo
O
Focus servo equalizer output terminal
10
TRo
O
Tracking servo equalizer output terminal
11
VREF
—
REF of analog power supply terminal
12
FMo
O
Feed servo equalizer output terminal
13
DMo
O
Disc servo equalizer output terminal
14
VSSP3
—
Ground terminal (Used DSP VOC 3.3V)
15
VCOi
O
PD output terminal (Used VCO)
16
VDDP3
—
Power supply terminal (Used DSP VCO 3.3V)
17
VDD1
—
Power supply terminal (Used digital 1.5V)
18
VSS1
—
Ground terminal (Used digital 1.5V)
19
FGiN
I
FG signal input terminal (Used CAV) (Not used (Fixed to “L”))
20
Io0(/HSo)
I
Play speed mode flag input terminal
21
Io1(/UHSo)
I
Play speed mode flag input terminal (Not used (Open))
22
XVSS3
—
Ground terminal (Used system clock 3.3V)
23
Xi
I
System clock input terminal (16.934MHz)
24
Xo
O
System clock output terminal (16.934MHz)
25
XVDD3
—
Power supply terminal (Used system clock 3.3V)
26
DVSS3
—
Ground terminal (Used DAC)
27
Ro
O
Audio R-ch data output terminal
28
DVDD3
—
Power supply terminal (Used DAC 3.3V)
29
DVR
—
REF voltage terminal (Used DAC)
30
Lo
O
Audio L-ch data output terminal
31
DVSS3
—
Ground terminal (Used DAC 3.3V)
32
VDDT3
—
Power supply terminal (Used Digital I/O 3.3V)
33
VSS1
—
Ground terminal (Used Digital 3.3V)
34
VDD1
—
Power supply terminal (Used digital 1.5V)
35
VDDM1
—
Power supply terminal (Used 1M bit SRAM 1.5V)
36
SRAMSTB
I
1M bit SRAM standby input terminal (Not used (Fixed to “L”))
37
/RST
I
Reset signal input terminal
38
BUS0
I
Data input terminal (BUS line)
39
BUS1
I
Data input terminal (BUS line)
40
BUS2(So)
I
Data input terminal (Serial output)
41
BUS3(Si)
I
Data input terminal (Serial input)
42
BUCK(CLK)
I
BUS clock input terminal (Serial clock input)
43
/CCE
I
Clip enable input terminal (U-com interface)
44
TEST
I
Test setting terminal (Not used (Fixed to “L”))
45
IRQ
I
Cut in DSP input terminal (Not used (Fixed to “L”))
46
AoUT3(Po4)
O
BSIF ST-REQ signal output terminal (Not used (Open))
47
AoUT2(Po5)
O
Audio data output 2 terminal (Not used (Open))
52
HCD-EC55/EC77/GX99
Pin No.
Pin Name
I/O
Description
48
Pio0
O
REQ output terminal
49
Pio1
I
General purpose I/O input terminal (Not used (Open))
50
Pio2
I
BSIF GATE signal input terminal (Not used (Open))
51
Pio3
I
General purpose I/O input terminal (Not used (Open))
52
VSS1
—
Ground terminal (Digital 3.3V)
53
VDDT3
—
Power supply terminal (Digital I/O 3.3V)
54
SBSY
O
Sub code block sync output terminal
55
SBOK/FOK
O
Q data CRCC judgment output terminal (Not used (Open))
56
IPF
O
Correct flag output terminal (Not used (Open))
57
SFSY/LOCK
O
Servo register read clock output terminal (Not used (Open))
58
ZDET
O
DAC zero data detect flag output terminal
59
GPIN
I
General purpose input terminal (Not used (Fixed to “L”))
60
MS
I
U-com I/F mode select input terminal (Fixed to “H”)
61
DoUT(Po6)
O
Digital output terminal (Not used (Open))
62
AoUT1(Po7)
O
Audio data output terminal (Not used (Open))
63
BCK(Po8)
O
Bit clock output terminal (Audio output) (Not used (Open))
64
LRCK(Po9)
O
Channel clock output terminal (Not used (Open))
65
AiN(Pi4)
I
Data input terminal (Used DAC) (Not used (Fixed to “L”))
66
BCKi(Pi5)
I
Bit clock input terminal (Used DAC) (Not used (Fixed to “L”))
67
LRCKi(Pi6)
I
Channel clock input terminal (Used DAC) (Not used (Fixed to “L”))
68
VDD1
—
Power supply terminal (Digital 1.5V)
69
VSS1
—
Ground terminal (Digital 1.5V)
70
AWRC
O
VCO control output terminal (Used active wide range) (Not used (Open))
71
PVDD3
—
Power supply terminal (PLL 3.3V)
72
PDo
O
Phase error signal of EFM signal and PLCK signal output terminal
73
TMAXS
O
Output terminal of TMAX detect signal (Not used (Open))
74
TMAX
O
Output terminal of TMAX detect signal
75
LPFN
I
Reverse input terminal of AMP (PLL-LPF)
76
LPFo
O
Output terminal of AMP (PLL-LPF)
77
PVREF
—
1.65V REF power terminal (Only PLL)
78
VCoF
O
VCO filter output terminal
79
PVSS3
—
Ground terminal (PLL 3.3V)
80
SLCo
O
EFM slice level output terminal
81
RFi
I
RF signal input terminal
82
RFRPi
I
RF ripple signal input terminal
83
RFEQo
O
RF equalizer output terminal
84
VRo
O
1.65V REF voltage output terminal
85
RESiN
O
REF resister terminal (22k/0.01u)
86
VMDiR
—
REF voltage of APC circuit output terminal
87
TESTR
O
LPF terminal (RFEQO offset correct)
88
AGCi
I
RF signal adjustment AMP input terminal
89
RFo
O
RF signal AMP output terminal
90
RVDD3
—
3.3V Power supply terminal (RF AMP)
91
LDo
O
Laser diode AMP output terminal
92
MDi
I
Monitor photo diode AMP input terminal
93
RVSS3
—
Ground terminal (RF AMP 3.3V)
94
FNi2(C)
I
Main beam input terminal (Connect to pin diode C)
95
FNi1(A)
I
Main beam input terminal (Connect to pin diodeA)
96
FPi2(D)
I
Main beam input terminal (Connect to pin diode D)
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