Daewoo DVD-T6300N, Service Manual

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34
Component Descriptions
Pin Description Table (continued)
Name Number Type Description
Analog Pins:
BYP 56 I/O The RF AGC integration capacitor CBYP, is connected BYP and VPA
CP 9 I/O
Differential Phase tracking LPF pin. An external capacitance is connected
between this pin and the CP pin.
CN 10 I/O
Differential Phase tracking LPF pin. An external capacitance is connected
between this pin and the CN pin.
LCP 45 -
Center Error LPF pin. An External capacitance is connected between this pin
and the LCN pin
LCN 44 -
Center Error LPF pin. An External capacitance is connected between this pin
and the LCP pin
MP 30 -
MIRR signal Bottom hold pin. An external capacitance is connected
between this pin and VP3
MB 31 -
MIRR signal Bottom hold pin. An external capacitance is connected to
between this pin and VP3
MEV 39 -
Sigo Bottom Envelope pin. An External capacitance is connected between this
pin and VPB.
CDTE 17 - CD Tracking. E-E Opamp output for feedback.
TPH 38 -
PI Top Hold pin. An external capacitance is connected between this pin and
VPB.
VC 26 -
Reference Voltage output. This pin provides the internal DC bias reference
voltage (+2.5V). Output impedance is less than 50ohms.
VCI 27 - Reference Voltage Input. DC bias voltage input for the servo input reference.
VCI2 18 - Reference Voltage Input. DC bias voltage input for the servo input reference.
RX 55 -
Reference Resistor Input. An external 8.2 kohm, 1% resistor is connected from
this pin to around to establish a precise PTAT (proportional to absolute
temperature) reference current for the filter.
MLPF 33 -
MIRR signal LPF pin. An external capacitance is connected between this pin
and VPB.
NC 19 - No Connect.
Serial Port Pins:
SDEN 48 -
Serial Data Enable Serial Enable CMOS input. A high level input enables the
port. (Not to be left open)
SDATA 47 I/O
Serial Data. Serial data bi-directional CMOS pin. NRZ programming data for
the internal registers is applied to this input. (Not to be left open)
SCLK 46 I
Serial Clock. Serial Clock. CMOS input. The clock applied to this pin is
synchronizes with the data applied to SDATA. (Not to be left open).
VPA 58 Power, Power supply pin for the RF block and serial port.
VPB 28 Power, Power supply pin for the servo block.
VNA 50 Ground. Ground pin for the RF block and serial port.
VNB 20 Ground. Ground pin for the servo block.