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Scaler1 - Akai CFTD2052 Service Manual

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A
B
8
7
6
5
4
3
2
1
A
B
G-29
C
D
SCALER1 SCHEMATIC DIAGRAM
SCALER IC
IC801
(3/5 SCALER)
TC90288XBG
SCALER IC
IC801
(2/5 NOT CONNECT)
TC90288XBG
0
NC
A3
NC_A3
NC_V1
V1
NC
R1
PCCK_IN
0
NC
A6
NC_A6
NC_V3
V3
NC
H5
PCH_IN
0
NC
A7
NC_A7
NC_V4
V4
NC
J4
PCV_IN
NC
A22
NC_A22
NC_W22
W22
NC
NC
A23
NC_A23
NC_Y26
Y26
NC
0
NC
A24
NC_A24
NC_AA2
AA2
NC
K1
PCR_IN[7]
0
NC
B3
NC_B3
NC_AA3
AA3
NC
K2
PCR_IN[6]
0
NC
B4
NC_B4
NC_AA4
AA4
NC
K3
PCR_IN[5]
0
NC
B22
NC_B22
NC_AA25
AA25
NC
K4
PCR_IN[4]
0
NC
B23
NC_B23
NC_AB2
AB2
NC
L2
PCR_IN[3]
0
NC
B24
NC_B24
NC_AB3
AB3
NC
L3
PCR_IN[2]
0
NC
C1
NC_C1
NC_AB4
AB4
NC
L4
PCR_IN[1]
0
NC
C2
NC_C2
NC_AB23
AB23
NC
M4
PCR_IN[0]
NC
C4
NC_C4
NC_AB24
AB24
NC
NC
C23
NC_C23
NC_AC3
AC3
NC
0
NC
C25
NC_C25
NC_AC4
AC4
NC
L1
PCG_IN[7]
0
NC
C26
NC_C26
NC_AC5
AC5
NC
M1
PCG_IN[6]
0
NC
D1
NC_D1
NC_AC6
AC6
NC
M2
PCG_IN[5]
0
NC
D2
NC_D2
NC_AC7
AC7
NC
N1
PCG_IN[4]
0
NC
D5
NC_D5
NC_AC8
AC8
NC
N2
PCG_IN[3]
0
NC
D24
NC_D24
NC_AC10
AC10
NC
N3
PCG_IN[2]
0
NC
D25
NC_D25
NC_AC12
AC12
NC
N4
PCG_IN[1]
0
NC
D26
NC_D26
NC_AC16
AC16
NC
R2
PCG_IN[0]
NC
E1
NC_E1
NC_AC18
AC18
NC
NC
E15
NC_E15
NC_AC19
AC19
NC
0
NC
E23
NC_E23
NC_AC20
AC20
NC
R4
PCB_IN[7]
0
NC
E24
NC_E24
NC_AC22
AC22
NC
R5
PCB_IN[6]
0
NC
E25
NC_E25
NC_AC25
AC25
NC
T2
PCB_IN[5]
0
NC
E26
NC_E26
NC_AC26
AC26
NC
T3
PCB_IN[4]
0
NC
F1
NC_F1
NC_AD3
AD3
NC
T4
PCB_IN[3]
0
NC
F23
NC_F23
NC_AD4
AD4
NC
U1
PCB_IN[2]
0
NC
F24
NC_F24
NC_AD6
AD6
NC
U2
PCB_IN[1]
0
NC
F25
NC_F25
NC_AD13
AD13
NC
U3
PCB_IN[0]
NC
G1
NC_G1
NC_AD16
AD16
NC
NC
G26
NC_G26
NC_AD21
AD21
NC
0
NC
H4
NC_H4
NC_AE5
AE5
NC
H2
DIG_CLK_IN
NC
H22
NC_H22
NC_AE6
AE6
NC
0
NC
NC
H26
NC_H26
NC_AE7
AE7
E2
DIG_FIELD_IN
NC
J1
NC_J1
NC_AE8
AE8
NC
NC
J3
NC_J3
NC_AE10
AE10
NC
0
NC
J26
NC_J26
NC_AE12
AE12
NC
E8
DIG_C_IN[7]
0
NC
K5
NC_K5
NC_AE14
AE14
NC
D7
DIG_C_IN[6]
0
NC
M3
NC_M3
NC_AF1
AF1
NC
D6
DIG_C_IN[5]
0
NC
M5
NC_M5
NC_AF8
AF8
NC
C6
DIG_C_IN[4]
0
NC
R3
NC_R3
NC_AF11
AF11
NC
C5
DIG_C_IN[3]
0
NC
T1
NC_T1
NC_AF12
AF12
NC
B5
DIG_C_IN[2]
0
NC
U4
NC_U4
A5
DIG_C_IN[1]
0
A4
DIG_C_IN[0]
0
F2
DIG_VD_IN
0
G3
DIG_HD_IN
0
DIG_Y_IN[7]
D9
0
C9
DIG_Y_IN[6]
0
D8
DIG_Y_IN[5]
0
FROM DECODER
C8
DIG_Y_IN[4]
0
B8
DIG_Y_IN[3]
0
C7
DIG_Y_IN[2]
0
B7
DIG_Y_IN[1]
0
GND
B6
DIG_Y_IN[0]
NC
V2
YS_IN
0
U5
I_IN
2.3
OSD_R
AE20
OSDRA_D1A_IN
2.3
OSD_G
AD20
OSDGA_D2A_IN
2.3
OSD_B
AF21
OSDBA_D3A_IN
0
AE21
OSDIA_D4A_IN
2.3
OSD_Y
AF20
OSDYSA_IN
0
AE18
OSDRB_D1B_IN
0
AD18
OSDGB_D2B_IN
0
AF19
OSDBB_D3B_IN
0
AE19
OSDIB_D4B_IN
0
AF18
OSDYSB_IN
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
C
D
E
(LCD PCB)
R801
3.3
ENAB
K22
100
3.3
LCD_HD
K23
NC
3.3
LCD_VD
J25
NC
3.2
RED1[0]
AD26
0
RED1[1]
AD25
3.2
RED1[2]
AF24
3.2
RED1[3]
AE24
3.2
RED1[4]
AF23
3.2
RED1[5]
AE23
3.2
RED1[6]
AD23
3.2
RED1[7]
AD22
3.2
GREEN1[0]
W23
3.2
GREEN1[1]
Y24
3.2
GREEN1[2]
Y23
3.2
GREEN1[3]
AA26
NR808
CAY16-101-J-4R
3.2
GREEN1[4]
AA24
3.2
GREEN1[5]
AA23
3.2
GREEN1[6]
AB26
3.2
GREEN1[7]
AB25
3.2
BLUE1[0]
U22
3.2
BLUE1[1]
V25
3.2
BLUE1[2]
V24
3.2
BLUE1[3]
V23
NR809
CAY16-101-J-4R
3.2
BLUE1[4]
W26
3.2
BLUE1[5]
W25
3.2
BLUE1[6]
W24
3.2
BLUE1[7]
Y25
RED2[0]
T25
NC
RED2[1]
T24
NC
RED2[2]
T23
NC
RED2[3]
U26
NC
NR810
CAY16-101-J-4R
RED2[4]
U25
NC
RED2[5]
U24
NC
RED2[6]
U23
NC
RED2[7]
V26
NC
GREEN2[0]
NC
N26
GREEN2[1]
N25
NC
GREEN2[2]
R26
NC
GREEN2[3]
R25
NC
NR811
CAY16-101-J-4R
GREEN2[4]
R24
NC
GREEN2[5]
R23
NC
GREEN2[6]
R22
NC
GREEN2[7]
T26
NC
BLUE2[0]
L26
NC
BLUE2[1]
L25
NC
BLUE2[2]
L24
NC
BLUE2[3]
M26
NC
NR812
CAY16-101-J-4R
BLUE2[4]
M25
NC
BLUE2[5]
M24
NC
BLUE2[6]
M23
NC
BLUE2[7]
M22
NC
R806
2.9
LCD_CLK_OUT
K26
100
LCD_NCLK_OUT
K25
NC
B803
W814
3.8
OSD_CLK
AF22
HCB2012K-600T25
OSD_N_CLK
AE22
NC
3.2
OSD_HD_OUT
AD19
3.2
OSD_VD_OUT
AB19
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
E
F
G
TO LVDS
D-EN_2
NR807
CAY16-101-J-4R
DRE0_2
DRE1_2
DRE2_2
DRE3_2
DRE4_2
DRE5_2
DRE6_2
DRE7_2
DGE0_2
DGE1_2
DGE2_2
DGE3_2
DGE4_2
DGE5_2
DGE6_2
DGE7_2
DBE0_2
DBE1_2
DBE2_2
DBE3_2
DBE4_2
DBE5_2
DBE6_2
DBE7_2
DCLK
TO DECODER
OSD_CLK
OSD_H
OSD_V
LUMINANCE SIGNAL
B.SIGNAL
G.SIGNAL
R.SIGNAL
F
G
H
8
7
6
5
4
3
2
PCB340
TEDB66
1
H
G-30

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