JVC RC-EX30B Service Manual page 6

RC-EX30
TC9462F(IC201):Digital Servo Single Chip Processor Built in 1B1T DA Converter
1.Terminal layout 1.Terminal layout
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
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
3.Pin function
Pin No. Symbol I/O
1 TEST0 I Test mode terminal.Normally,keep at open.
2 HSO O Playback speed mode flag output terminal.
3 UHSO O Playback speed mode flag output terminal.
4 EMPH O Subcode Q data emphasis flag output terminal.
5 LRCK O Channel clock output terminal.
6 Vss - Digital GND terminal.
7 BCK O Bit clock output terminal.
8 AOUT O Audio data output terminal.
9 DOUT O Digital data output terminal.
10 MBOV O Buffer memory over signal output terminal.
11 IPF O Correction flag output terminal.
12 SBOK O Subcode Q data CRCC check adjusting result output terminal.
13 CLCK I/O Subcode P-W data readout clock input/output terminal.
14 V - Digital power supply voltage terminal.
DD
15 Vss - Digital GND terminal.
16 DATA O Subcode P-W data output terminal.
17 SFSY O Play-back frame sync signal output terminal.
18 SBSY O Subcode block sync signal output terminal.
19 SPCK O Processor status signal readout clock output terminal.
20 SPDA O Processor status signal output terminal.
21 COFS O Correction frame clock output terminal.
22 MONIT O Internal signal (DSP internal flag and PLL clock) output terminal.
23 V - Digital power supply voltage terminal.
DD
24 TESIO0 I Test input/output terminal.
25 P2Vref - PLL double reference voltage supply terminal.
26 HSSW O 2/4 times speed at "Vref"voltage.
27 ZDET O 1 bit DA converter zero detect flag output terminal.
28 PDO O Phase difference signal output terminal of EFM signal and PLCK signal.
29 TMAXS O TMAX detection result output terminal.
30 TMAX O TMAX detection result output terminal.
31 LPFN I LPF amplifier inverting input terminal for PLL.
32 LPFO O LPF amplifier output terminal for PLL.
33 PVref - PLL reference voltage supply terminal.
34 VCOREF I VCO center frequency reference level terminal.
35 VCOF O VCO filter terminal.
36 AVss - Analog GND terminal.
37 SLCO O Data slice level output terminal.
38 RF1 I RF signal input terminal.
39 AV - Analog power supply voltage terminal.
DD
40 RFCT I RFRP signal center level input terminal.
41 RFZI I RFRP zero cross input terminal.
42 RFRP I RF ripple signal input terminal.
43 FEI I Focus error signal input terminal.
44 SBAD I Sub-beam adder signal input terminal.
45 TSIN I Test input terminal.
46 TEI I Tracking error signal input terminal.
47 TEZI I Tracking error zero cross input terminal.
48 FOO O Focus servo equalizer output terminal.
49 TRO O Tracking servo equalizer output terminal.
50 Vref - Analog reference voltage supply terminal.
51 RFGC O RF amplitude adjustment control signal output terminal.
52 TEBC O Tracking balance control signal output terminal.
53 TEBC O Feed equalizer output terminal.
54 TEBC O Speed error signal or feed search equalizer output terminal.
55 DMO O Disk equalizer output terminal.
56 2Vref - Analog double reference voltage supply terminal.
57 SEL O APC circuit ON/OFF indication signal output terminal.
58 FLGA O External flag output terminal for internal signal.
59 FLGB O External flag output terminal for internal signal.
60 FLGC O External flag output terminal for internal signal.
61 FLGD O External flag output terminal for internal signal.
6
57 56 55 54 53 52 51
50
49
48
DV
47
SR 81
46
45
RO
82
44
43
42 DV
DD 83
41
40
DVR
84
39
38
37
LO
85
36
35
DV
SL
34 86
33
32
TEST1
87
31
TEST2
88
TEST3
89
BUS0
90
BUS1
91
BUS2
92
BUS3
93
V
DD 94
V
SS
95
BUCK
96
CCE
97
TEST4
98
TSMOD
99
RST
100
Function
2.Block diagram 2.Block diagram
80 79 78 77 76 75 74 73 72 71 70
1 bit
LPF
DAC
Clock
generator
Micon
interface
Correction
circuit
Audio out
circuit
1 2 3 4 5 6 7 8 9 10 11
Pin No. Symbol
62 V
DD
63 Vss
64 IO0
65 IO1
66 IO2
67 IO3
68 DMOUT
69 CKSE
70 DACT
71 TESIN
72 TESIO1
73 Vss
74 PXI
75 PXO
76 V
DD
77 XVss
78 XI
79 XO
80 XV
DD
81 DV
SR
82 RO
83 DV
DD
84 DVR
85 LO
86 DV
SL
87 TEST1
88 TEST2
89 TEST3
90 BUS0
91 BUS1
92 BUS2
93 BUS3
94 V
DD
95 Vss
96 BUCK
97 CCE
98 TEST4
99 TSMOD
100 RST
69 68 67 66 65 64 63 62 61 60 59
Servo
control
RAM
Digital equalizer
Address
Automaatic adjustment
circuit
circuit
RAM
CLV sevo
16KRAM
Synchronous
guarantee
EFM decode
Digital out
Sub code
decoder
Status
12 13 14 15 16 17 18 19 20 21 22
I/O
- Digital power supply voltage terminal.
- Digital GND terminal.
I/O General I/O terminal.
I/O General I/O terminal.
I/O General I/O terminal.
I/O General I/O terminal.
I This terminal controls IO0-IO3 terminal.
I Normally, keep at open.
I DAC test mode terminal. Normally, keep at open.
I Test input terminal.
I Test input/output terminal.
- Digital GND terminal.
I Crystal oscillator connecting input terminal for DSP.
O Crystal oscillator connecting output terminal for DSP.
- Digital power supply voltage terminal.
- Oscillator GND terminal for system clock.
I Crystal oscillator connecting input terminal for system clock.
O Crystal oscillator connecting output terminal for system clock.
- Oscillator power supply voltage terminal for system clock.
- Analog GND terminal for DA converter.(R-ch)
O R channel data forward output terminal.
- Analog supply voltage terminal for DA converter.
- Reference voltage terminal for DA converter.
O L channel data forward output terminal.
- Analog GND terminal for DA converter.(L-ch)
I Test mode terminal.Normal,keep at open.
I Test mode terminal.Normal,keep at open.
I Test mode terminal.Normal,keep at open.
I/O Micon interface data input/output terminal.
I/O Micon interface data input/output terminal.
I/O Micon interface data input/output terminal.
I/O Micon interface data input/output terminal.
- Digital power supply voltage terminal.
- Digital GND terminal.
I Micon interface clock input terminal.
I Command and data sending/receiving chip enable signal input terminal.
I Test mode terminal.Normal,keep at open.
I Local test mode selection terminal.
I Reset signal input terminal.reset at "L" level.
58 57 56 55 54 53 52 51
V
50 REF
TRO
49
PWM D/A
FOO
48
TEZI
+
47
-
TEI
46
TSIN
45
SBAD
44
FEI
+ 43
A/D
-
RFRP
42
RFZI
41
+
RFCT
-
40
AV
39 DD
RFI
38
Data
slicer
SLCO
37
AV
SS
36
VCOF
35
VCOREF
34
VCD
PV
33 REF
+
LPFO
32
-
PLL TMAX
LPEN
31
23 24 25 26 27 28 29 30
Function