Main Ic Introduction; Pin Assignment; Internal Connections - TCL SY33 Service Manual

8ÿMain IC Introduction
LA76933
1)

Pin Assignment

PIN FUNCTION
1 SIF Output
2 VIF AGC
3 SIF Input
4 FM Filter
5 FM Output / Selected Audio
Output
6 Audio Output
7 SIF APC Filter
8 IF Vcc
9 Ext. Audio Input / VM
Output
10 ABL
11 RGB Vcc
12 Red Output
13 Green Output
14 Blue Output
E/W Output
15
16 V Ramp Osc. Capacitor
17 Vertical Output
18 VCO IREF
19 Horizontal/BUS Vcc
20 Horizontal AFC Filter
21 Horizontal Output
22 Video/Vertical/BUS Ground 43
23 P00/INT0
24 P01/INT1
25 P02
26 P03/INT3
27 P14/PWM1
28 P15/PWM2
29 P17
30 P16/PWM3
31 P12/SDA1
32 P13/SCK1
PIN FUNCTION
64 VIF Input1
63 VIF Input2
62 IF Ground
61 RF AGC Output
60 Video Output
59 AFT Filter
58 APC Filter
57 Black Level Det. Filter
56 Internal Video Input
55 Video/Vertical Vcc
54 External Video Input
53 Chroma APC Filter
52 Selected Video Output or
fsc Output
51 Cr Input
50 4.43MHz Crystal
49 Cb Input
48 DVD-Y
47 NC
46 YC-Y
45 YC-C
44 Flyback Pulse Input
CCD Vcc
42 CPU Ground
41 FIL
40 RES
39 P07/AN7
38 P06/AN6
37 P05/AN5
36 P04/AN4
35 VDD
34 XT2
33 XT1
LA76933 7X(X:J∼N)/LA76933 7FB Tentative
内部結線

Internal connections

PIN FUNCTION PAD Name
PInt01 C_Sync
PInt02 CLOCK
PInt03 DATA
PInt04 I
PInt05 FS
PInt06 INT_B
PInt07 INT_G
PInt08 INT_R
PInt09 HS
PInt10 VS
PInt11 ENABLE
PInt12 PDC
PInt13 CVBS
PInt14 CPU TST B PCPUB
PInt15 CPU TST G PCPUG
PInt16 CPU TST R PCPUR
PInt17 Reset
PInt18 AFT
PInt19 VDD
Pint20 4MHZ
Clock
Pint21 R out
Pint22 B out
Pint23 Vref
Pint24 B input
Pint25 R input
Pint26 Vcc*2
μCOM
BIP
PSYNC P33
PCL P32
PDA P31
PI I
PFS BL
PB B
PG G
PR R
PHS HS
PVS VS
PENA P30
PPDC PEIN
PCVBS CVIN
TSTB
TSTG
TSTR
PRES RESi
PAFT AN3
PVDD VDDi
P4M
PROUT
PBOUT
PVREF
PB_IN
PR_IN
PVCC2
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