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JVC KD-S735R Service Manual page 26

Cd receiver
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KD-S735R
PIN No.
SYMBOL
QQ
34
VCOREF
3 7 63 1515 0
35
VCOF
36
AVSS
37
SLCO
38
RFI
39
AVDD
40
RFCT
41
RFZI
42
RFRP
43
FEI
44
SBAD
45
TSIN
46
TEI
47
TEZI
48
FOO
49
TRO
50
VREF
51
RFGC
52
TEBC
TE
L 13942296513
53
FMO
54
FVO
55
DMO
56
2VREF
57
SEL
58~61
FLGA~D
62
VDD
63
VSS
64~67
IO0~3
68
DMOUT
69
CKSE
70
DACT
71
TESIN
72
TESIO1
73
VSS
74
PXI
75
PXO
76
VDD
77
XVSS
www
78
XI
79
XO
80
XVDD
81
DVSR
82
RO
1-26
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I/O
I
VCO center frequency reference level terminal. Normallykeep at "PVREF" level.
O VCO filter terminal.
-
Analog GND terminal.
O Data slice level output terminal.
I
RF signal input terminal.
-
Analog power supply voltage terminal.
I
RFRP signal center level input terminal
I
RFRP zero cross input terminal
I
RF ripple signal input terminal
I
Focus error signal input terminal
I
Sub-beam adder signal input terminal
I
Test input terminal Normally, keep at "vref" level
I
Tracking error signal input terminal. Take in at tracking servo ON.
I
Tracking error zero cross input terminal
O Focus servo equalizer output terminal
O Tracking servo equalizer output terminal
-
Analog reference voltage supply terminal
O RF amplitude adjustment control signal output terminal
O Tracking balance control signal output terminal
O Feed equalizer output terminal
O Speed error signal or feed search equalizer output terminal
O Disk equalizer output terminal (PWM carrier=88.2kHz for DSP Synchronize to PXO)
-
Analog double reference voltage supply terminal
O APC circuit ON/OFF indication signal output terminal
O External flag output terminal for internal signal
-
Digital power supply voltage terminal
-
Digital GND terminal
I/O General I/O terminal
I
This terminal control IO0~IO3 terminal
I
Normally, keep at open
I
DAC test mode terminal. Normally keep at open
I
Test input terminal, Normally, keep at "L" level
I
Test input/output terminal. Normally keep at "L" level
-
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
x
ao
y
O Crystal oscillator connecting output terminal for system clock
.
i
-
Oscillator power supply voltage terminal for system clock
-
Analog GND terminal for DA converter (Rch)
O R channel data forward output terminal
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FUNCTIONAL DESCRIPTION
8
Q Q
3
6 7
1 3
u163
.
REMARKS
2 9
9 4
2 8
Analog output.
Analog output.
Analog input.
(Zin:selected b
Analog input
(Zin : 50k OHM )
Analog input.
Analog input.
Analog input.
Analog input.
Analog input.
Analog input.
Analog input
(Zin :10k OHM)
Analog output.
(2VREF ~ AVSS)
3-state PWM signal
(2VREF,VREF,VSS)
(PWM carrer=88.2kHz)
1 5
0 5
8
2 9
9 4
3-state output.
(2VREF,VREF,VSS)
With pull-up resistor.
With pull-up resistor.
With pull-up resistor.
Analog input.
Analog input.
m
co
-
9 9
-
command)
-
-
outpu.
2 8
9 9
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

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