Daewoo DTH-2930SSFV Service Manual page 17

IC DESCRIPTION
VSSP2
VSSC4
VDDC4
VDDA3(3.3V)
VREF_POS_LSL
VREF_NEG_LSL+HPL
VREF_POS_LSR+HPR
VREF_NEG_HPL+HPR
VREF_POS_HPR
XTALIN
XTALOUT
VSSA1
VGUARD/SWIO
DECDIG
VP1
PH2LF
PH1LF
GND1
SECPLL
DECBG
EWD/AVL
VDRB
VDRA
VIFIN1
STANDARD
VERSION
SYMBOL
(1)
1 ground
1 ground
3 digital supply to SDACs (1.8V)
16 supply (3.3 V)
16 positive reference voltage SDAC (3.3 V)
17 negative reference voltage SDAC (0 V)
16 positive reference voltage SDAC (3.3 V)
17 negative reference voltage SDAC (0 V)
16 positive reference voltage SDAC (3.3 V)
18 crystal oscillator input
19 crystal oscillator output
20 ground
69 V-guard input / I/O switch (e.g. 4 mA current
sinking capability for direct drive of LEDs)
21 decoupling digital supply
st
22 1 supply voltage TV-processor (+5 V)
23 phase-2 lter
24 phase-1 lter
25 ground 1 for TV-processor
26 SECAM PLL decoupling
27 bandgap decoupling
66 East-West drive output or AVL capacitor
68 vertical drive B output
67 vertical drive A output
28 IF input 1
-16-
DESCRIPTION