Sony DXC-S500 Service Manual page 58

IC
CXA3268AR (SONY)
DRIVER/TIMING GENERATOR
—TOP VIEW —
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
PIN PIN
I/O SIGNAL I/O
NO. NO.
1 — 19 —
D.GND
2 O 20 —
FIL OUT
3 I SYNC IN 21 O
4 O 22 I
SYNC OUT
5 I CSYNC/HD 23 —
6 O 24 O
DA OUT
7 O 25 I
REF
8 O F ADJ 26 O
9 — 27 O
A.GND
10 I VD 28 —
11 O 29 —
DWN
12 O 30 I
WIDE
—
13 TST1 31 O B DC DET
14 I 32 O
SCK
15 I SEN 33 O R DC DET
16 I 34 O
SDAT
17 O 35 O G DC DET
R INJECT
—
18 D.GND 36 O
HCK
OSD RGB
GEN
LPF
FILTER
CONTRAST
CONT
TRAP
FILTER
BIAS
LPF
G R B
MODE
CLAMP
G R B
MATRIX
PIC-G
DL1 DL1
PICTURE
PIC-F HUE
HUE
COLOR
CLAMP
CLP
MODE
HCOUNTER
HPULSE
GEN
7-4
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
PIN PIN
SIGNAL I/O SIGNAL I/O SIGNAL
NO. NO.
D.V 37 — A.V 55 — D.V
CC CC
D.V 38 O PSIG DC DET 56 — TST11
CC
CKO 39 O PSIG OUT 57 I OSD B
— I OSD R
CKI 40 TST3 58
D.GND 41 — A.V 59 I OSD G
CC
RPD 42 O COM 60 — NC
XCLR 43 — A.GND 61 O HCK1
VDO 44 — TST4 62 O HCK2
HDO O POF — A.V
45 63
TST2 46 — NC 64 O HST
— O
A.GND 47 TST5 65 EN
SIG.C 48 — TST6 66 O VCK
49 — TST7 67 O VST
B OUT — TST8 O RGT
50 68
51 — TST9 69 I FIL IN
— I
R OUT 52 TST10 70 B/B-Y
53 — D.GND 71 I G/Y
G OUT 54 — D.GND 72 I R/R-Y
S/H
PSIG-
GEN
BRIGHT
BUF
PSIG-
BRT
POL SW
S/H
BUF
USER-BRIGHT
U-BRT
GAMMA
γ1 γ 2
BUF
WHITLIM
CLAMP
SUB-CONT R
SUB-CONT B
BLK-LIM
BUF
BLKLIM
SUB-BRIGHT
SUB-BRT R
SUB-BRT B
BUF
POL SW
+
SIG.C
COM-DC
HDO GEN
VDO GEN
PLL
PHASE
COUNTER
COMPARATOR
HSYNC DET
PULSE
H SKEW DET
ELM
V CONTROL
V POSITION
V COUNTER
CLK
V SEP
CK
CONTROL
MCK
SYNC SEP
H.FILTER
DA REF
S/P CONV
BUF BUF
REGISTER DAC
INPUTS
B/B-Y : B/B-Y SIGNAL
CKI : OSCILLATION CELL
CSYNC/HD : C SYNC/H SYNC
FIL IN : H FILTER
G/Y : G/Y SIGNAL
OSD B : OSD B INPUT
OSD G : OSD G INPUT
OSD R : OSD R INPUT
R/R-Y : R/R-Y SIGNAL
SCK : SERIAL CLOCK
SDAT : SERIAL DATA
SEN : SERIAL LOAD
SIG.C : R, G, B AND PSIG OUTPUT DC VOLTAGE ADJUSTMENT
SYNC IN : SYNC SEPARATION
VD : V SYNC
XCLR : POWER-ON RESET CAPACITOR CONNECTION
OUTPUTS
B DC DET : B SIGNAL DC VOLTAGE FEEDBACK CIRCUIT CAPACITOR CONNECTION
B OUT : B SIGNAL
CKO : OSCILLATION CELL
COM : COMMON PAD VOLTAGE
DA OUT : DAC OUTPUT
DWN : UP/DOWN INVERSION SWITCHING
EN : ENABLE PULSE
F ADJ : TRAP F0 ADJUSTING RESISTOR CONNECTION
FIL OUT : H FILTER
G DC DET : G SIGNAL DC VOLTAGE FEEDBACK CIRCUIT CAPACITOR CONNECTION
CC
G OUT : G SIGNAL
HCK1, HCK2 : H CLOCK PULSE
HDO : HDO PULSE
HST : H START PULSE
POF : LCD PANEL POWER SUPPLY
PSIG DC DET : PSIG SIGNAL DC VOLTAGE FEEDBACK CIRCUIT CAPACITOR CONNECTION
PSIG OUT : PSIG OUTPUT
R DC DET : R SIGNAL DC VOLTAGE FEEDBACK CIRCUIT CAPACITOR CONNECTION
CC
R INJECT : SERIAL BLOCK CURRENT CONTROLLING RESISTOR CONNECTION
R OUT : R SIGNAL
REF : LEVEL SHIFTER CIRCUIT REFERENCE VOLTAGE
RGT : RIGHT/LEFT INVERSION SWITCHING
RPD : PHASE COMPARATOR
SYNC OUT : SYNC SEPARATION
VCK : V CLOCK PULSE
VDO : VDO PULSE
VST : V START PULSE
WIDE : 16:9 WIDE DISPLAY SWITCHING PULSE
OTHERS
NC : NO CONNECTION
TST1 - TST10 : TEST
39
PSIG OUT
38
PSIG DC DET
36
G OUT
35
G DC DET
34
R OUT
33
R DC DET
32
B OUT
31
B DC DET
42
COM
30
SIG.C
27
HDO
26
VDO
25
XCLR
24
RPD
22
CKI
21
CKO
4
SYNC OUT
3
SYNC IN
2
FIL OUT
69
FIL IN
5
CSYNC/HD
17
R INJECT
DXC-S500 (E)