Marantz SA1/F1N Service Manual page 41

IC606 RH-iX1473GEZZ: Digital Servo (IX1473GE) (2/3)
Terminal
Pin No. Input/Output
Name
44 TRO Output Tracking equalizer output terminal
45 VREF - Analog reference power terminal
46* RFGC Output Outputs 3-pole PWM signal of RF amplitude adjusting signal output terminal.
(PWM carrier = 88.2 kHz)
47 TEBC Output Outputs 3-pole PWM signal of tracking balance control signal output terminal.
(PWM carrier = 88.2 kHz)
48 FMO Output Outputs 3-pole PWM signal of feed equalizer output terminal.
(PWM carrier = 88.2 kHz)
49* FVO Output Outputs speed error signal or 3-pole PWM signal of feed search EQ output terminal.
(PWM carrier = 88.2 kHz)
50 DMO Output To output PWM signals of 3 poles of disc equalizer output terminal.
(PWM carrier = DPS 88.2 kHz, synchronizing with PXO)
51 2VREF - Reference power terminal
52 SEL Output Laser diode control signal
53 FLGA Output FLG-A output terminal
54 FLGB Output FLG-B output terminal
55* FLGC Output FLG-C output terminal
56 FLGD Output FLG-D output terminal
57 VDD - Power terminal
58 VSS - Connected to GND.
59-62 IO0-IO3 Input/Output General-purpose I/O port
(60*) Can be switched to input/output port possible according to commands.
In case of input port: can read terminal condition (H/L) by read commands possible.
In case of output port: can control terminal condition (H/L/HiZ) by commands possible.
63 /DMOUT Input Terminal for setting the mode outputting feed equalizer binary PWM from IO0 and 1
terminals and disc equalizer binary PWM from IO2 and 3 terminals. "L": active.
64 /CKSE - X'tal select terminal. In case of 16.9344MHz: "H"; in case of 33.8688 MHz: "L"
65* /DACT - Test terminal
66 TESIN Input Test input terminal
67 TESIO1 Input/Output Test input/output terminal
68 VSS - Digital ground terminal
69 PXI Input DSP system clock oscillation circuit input terminal
70 PXO Output DSP system clock oscillation circuit output terminal
71 VDD - Digital + power terminal
72 XVSS - Ground terminal for system clock oscillation circuit
73 XI Input System clock oscillation circuit input terminal
74* XO Output System clock oscillation circuit output terminal
75 XVDD - + power terminal for system clock oscillation circuit
76 DVDD - D/A conversion section power terminal
77* RO Output Channel R data normal rotation output terminal
78 DVSS - D/A conversion section analog ground terminal
79 DVR - D/A conversion section reference voltage terminal
80* LO Output Channel L data normal rotation output terminal
81 DVDD - D/A conversion section power terminal
82 TEST1 Input Test terminal
Normally open
83 TEST2 Input Test terminal
Normally open
84 TEST3 Input Test terminal
Normally open
85 BUS0 Input/Output Data input/output terminal for microcomputer interface
86 BUS1 Input/Output
87 BUS2 Input/Output
88 BUS3 Input/Output
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Function
2-25
IC606 RH-iX1473GEZZ: Digital Servo (IX1473GE) (3/3)
Terminal
Remarks Pin No. Input/Output
Name
89 VDD -
90 VSS -
91 BUCK Input
92 /CCE Input
93 TEST4 Input
94 /TSMOD Input
95 /RST Input
96 TEST0 Input
97* /HSO Output
98* /UHSO Output
99 EMPH Output
100 LRCK Output
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
DVDD 76
RO 77
DVSS 78
DVR 79
LO 80
DVDD 81
TEST1 82
TEST2 83
TEST3 84
BUS0 85
BUS1 86
BUS2 87
BUS3 88
VDD 89
VSS 90
BUCK 91
/CCE 92
Pull-up
TEST4 93
resistor built in
/TSMOD 94
/RST 95
Pull-up
TEST0 96
resistor built in
/HSO 97
Pull-up
/UHSO 98
resistor built in
EMPH 99
LRCX 100
Schmitt input
CMOS port
Function
Digital + power terminal
Digital ground terminal
Clock input terminal for microcomputer interface
Chip enable signal input terminal for microcomputer interface
"L": BUS0 to 3 are active.
Test terminal
Normally open
Local test mode select terminal
Reset signal input terminal
"L" in case of reset
Test terminal
Normally open
Playback speed mode flag output terminal
/UHSO /HSO Playback speed
H H Normal speed playback
H L Double speed playback
L H 4-time speed playback
L L 8-time speed playback
Emphasis flag output terminal for sub-code Q data
H: emphasis ON, L: emphasis OFF
Output polarity can be inverted according to commands
Channel clock (44.1 kHz) output terminal
L channel: L, R channel: H
Output polarity can be inverted according to commands
75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
1BIT
LPF
CLOCK SERVO
DAC
CONTROL
GENERATOR
DIGITAL
ROM
EQUALIZER
ADDRESS
CIRCUIT AUTOMATIC
A/D
RAM CONTROL
CIRCUIT
CLV SERVO
1 Gk RAM
CORRECTION
CIRCUIT EFM DEMODULATION
TO PROTECT
DATA
SYNCHRONIZING
SLICER
SIGNAL
PWM
VCO
DIGITAL OUT
SUB-CODE
AUDIO DEMODULATION
OUTPUT CIRCUIT
CIRCUIT
PLL TMAX
STATUS
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
2-26
Remarks
Schmitt input
Schmitt input
Pull-up
resistor built in
Pull-up
resistor built in
Pull-up
resistor built in
Pull-up resistor
Pull-up
resistor built in
Pull-up resistor
50 DMO
49 FVO
48 FMO
PWM
47 TEBC
46 RFGC
45 VREF
D/A 44 TRO
43 FOO
42 TEZI
+
-
41 TEI
40 TSIN
39 SBAD
+ 38 FEI
-
37 RFRP
36 RFZI
+
-
35 RFCT
34 AVDD
33 RFI
32 SLCO
31 AVSS
30 VCOF
29 VCOREF
28 PVREF
+
27 LPFO
-
26 LPFN