DAEWOO ELECTRONICS DTE-21U6TH, Руководство по обслуживанию

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Service manual CP-785AF
- 15 -
Chassis IC marking OSD languages Capacity Text
CP-785A DW9365/N1/3-BDx
(OTP: TDA9365PS/
N1/5S
English
10 pages Teletext
64K Pan-European,
PINNING
SYMBOL PIN DESCRIPTION
n.u. 1 Port 1.3 Not used.
SCL 2 I2C bus clock line
SDA 3 I2C Data line
SECAM L’ out 4 Port 2.0 : High when L’ selected (PushPull )
OCP 5 Port 3.0 : Over Current Protection
RF AGC in 6 ADC 1 : For factory use only ( High impedance )
Key-in 7 ADC 2 : local key input ( High impedance )
S/SW 8 ADC 3 : Scart Slow switching input
VssC/P 9
digital ground for
µ
-controller core and peripheral
LED 1 10 port 0.5 ( 8mA current sinking capability )
LED 2 11 port 0.6 ( 8mA current sinking capability )
VSSA 12 analog ground of teletext decoder and digital ground of TV processor
SEC PLL 13 SECAM PLL decoupling
VP2 14 2nd supply voltage TV-processor
DECDIG 15 decoupling digital supply of TV-processor
PH2LF 16 phase-2 filter
PH1LF 17 phase-1 filter
GND3 18 ground 3 for TV-processor
DECBG 19 bandgap decoupling
AVL/EWD 20 East / West drive output
VDRB 21 vertical drive B output
VDRA 22 vertical drive A output
IFIN1 23 IF input 1
IFIN2 24 IF input 2
IREF 25 reference current input
VSC 26 vertical sawtooth capacitor
TUNERAGC 27 tuner AGC output
SIFIN1 28 SIF input 1
SIFIN2 29 SIF input 2
GND2 30 ground 2 for TV processor
SIF AGC 31 AGC sound IF
REF0 32 n.u.
HOUT 33 horizontal output
FBISO 34 flyback input / sandcastle output