Clock - Philips DVDR880/001 Service Manual

Circuit-, IC Descriptions and List of Abbreviations
PHILIPS Components
VHF/UHF splitter-tuner
BLOCK DIAGRAM
Pre-
filtering
RF i/p
RF o/p
PINNING
SYMBOL PIN
AGC 1
TU 2
AS 3
SCL 4
SDA 5
n.c. 6
V 7
s
n.c./ADC 8
V 9
ST
n.c 10
IF1 11
GND M1,M2,M3,M4
3139 149 10100
Gain
Tracking
controllable
filters
Pre-amplifiers
1 2 9
Vt
AGC
(monitor)
** ADC option not available in NTSC versions
Gain Control Voltage
Tuning voltage
2
I C-Bus Address Select
2
I C-Bus Serial Clock
2
I C-Bus Serial Data
Not Connected
PLL Supply Voltage +5V
Not Connected / ADC Input
Fixed tuning Supply Voltage +33V
Do not connect
Asymmetrical IF Output
Mounting Tags (Ground)
4
DVDR880-890 /0X1
Preliminary specification
UV1316K MK3
Tracking
filters
Mix-Osc
IF amp
AGC
Detector
PLL
7 3 4 5 8
33V AS SCL SDA ADC**
Vcc
DESCRIPTION
(1)
9. EN 171
11
TV IF o/p
Rev 1: 10.10.2000