Daewoo DTH-25G1FST/FSP/FS Service Manual page 18

PIN NAME
27 V S Y N C
27 V S Y N C
28 O S C 1
29 O S C 2
30 G N D
31 X IN
32 X O U T
33 RE S E T
34 50/60H z
35 IR IN
36 M S D
37 SC L
38 SD A
39 P34(S CL0)/P 57
40 P35(S DA 0)/P 32(IN T 4)
41 S M U T E
42 VD D
♦ I501
- TB1238N (IF + VCD P ROCESS OR)
1. P in Description
PIN NA ME
1 D e-Em phasis
2 A udio O utput
3 IF V (9V )
CC
4 A FT O utput
5 IF G N D
6 IF Input
7 IF Input
8 R F AG C
9 IF A G C
10 A P C F ilter
11 X tal
12 Y /C G N D
- Sync. Signal for Vertical position
- 0 ~ 5V pulse
-Detect input-A ctive Low
- Sync. Signal for Vertical position
- 0 ~ 5V pulse
-Detect input-A ctive Low
O SD oscillator
G round
8M H z X -TAL input/output
- SY S T EM R eset(H ardw are Reset) input term inal
- Active Low
50/60H z
R EM O T E C O NT R O L signal input term inal
Tim er counter input
2
I C bus serial clock input/output
2
I C bus serial data input/output
G round
G round
S ound m ute
+5V
T he term inal to be connected with capacitor for deem phasis.
N .C
T he term inal for V cc of P IF circuit.
T he term inal for A FT output and Self-adj. O utput.
T he term inal for G N D of P IF circuit.
T he term inal for IF signal input.
T he term inal for R F A G C output (open collector O utput).
T he term inal to be connected with an IF A G C filter.
T he term inal to be connected with A P C filter for chrom a dem odulation.
T he term inal to be connected with a 4.433619M H z Xtal oscillator.
T he term inal for G N D of Y /C circuit.

FUNCTION
FUNCTION
IC DESCRIPTION
REMARK
REM ARK