Scaler1 - Akai CFTD2052 Service Manual

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