Akai CFTD2052, Service Manual

Page: 53 / 71

A B C D E F G H
A B C D E F G H
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
D16
C16
D15
A16
IC801
TC90288XBG
SCALER IC
C15
D18
A19
B19
C19
D19
A20
B20
C20
D20
B21
C22
C21
D21
D22
A21
E19
A17
B17
C17
B15
B16
A11
A10
C11
E12
D12
C10
D11
D10
E10
A8
A9
B9
B10
A12
A14
B12
B14
A18
B18
C18
D17
E17
A15
H25
J23
AC24
G4
F3
Y5
H1
J2
J24
G22
IC801
TC90288XBG
SCALER IC
E7
E11
E16
E20
G5
L5
L22
T5
T22
Y22
AB20
E9
E18
J5
J22
V5
V22
AB18
A1
A2
A13
A25
A26
B1
B2
B13
B25
B26
C3
C13
C24
D4
D13
D23
E6
E5
E13
E14
E22
E21
M11
L11
L12
L13
L14
L15
L16
F5
F22
M12
M13
M14
M15
M16
N11
N12
N13
N14
N15
N16
N5
N22
P1
P2
P4
P5
P11
P12
P13
P14
P15
P16
T11
T12
T13
T14
T15
T16
W1
W2
P22
P23
P24
P25
P26
R11
R12
R13
R14
R15
R16
P3
AA22
AA5
AD24
AD17
AE17
AE25
AE26
AF25
AF26
AF17
AB17
AB21
AB22
AC17
AC23
W4
W5
W3
AC21
C14
D14
N24
N23
G24
G25
H23
H24
K24
L23
G2
E4
D3
G23
F26
B11
C12
E3
F4
H3
IC807 PST3229NR RESET IC
1 2 3
4 5
D801
MCL4148
W810
W811
C893
47
4V
V-S
C892
47
4V
V-S
C843
0.1
B
C891
0.01
B
C898 0.01 B
C899 0.01 B
C807 0.01 B
C811 0.01 B
C812 0.01 B
C813 0.01 B
C814 0.01 B
C815 0.01 B
C816 0.01 B
C824 0.01 B
C825 0.01 B
C826 0.01 B
C827 0.01 B
C828 0.01 B
C829 0.01 B
C830 0.01 B
C818 0.01 B
C819 0.01 B
C897 0.01 B
C822 0.1 B
C895
0.01
B
C806 0.01
B
C896 0.1 B
C880
0.1
B
C881
0.01
B
C886
0.01
B
C890
0.01
B
C889
0.01
B
C888
0.01
B
C887
0.01
B
C885
0.01
B
C884
0.01
B
C882
0.01
B
C883
0.01
B
C894
0.01
B
C831 0.01
B
C856
0.1
B
C820
47 4V V-S
C821
47 4V V-S
C879 47
4V
V-S
C871
1 50V V-S
R831
100
R859
10K
R858
1K
R802 2.7K
R830
10K
R832
100
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
DURING PLAYBACK.
MEASURED WITH THE DIGITAL TESTER
NOTE:THE DC VOLTAGE EACH PART WAS
L819
22uH
NLCV32
L817
22uH
NLCV32
L821
22uH
NLCV32
P.CON+3.3V
D_1.5V
GND
D_3.3V
GND
SCALER_V_OUT
D_1.5V
P.CON+1.5V
P.CON+3.3V
P.CON+3.3V
P.CON+2.5V
GND
P.CON+1.5V
D_3.3V
GND
P.CON+2.5V
SCALER_V_OUT
SDA
SCL
GND
G-32 G-31
(4/5 DRAM VDD)
(5/5 SCALER VDD)
(LCD PCB)
SCALER2 SCHEMATIC DIAGRAM
PCB340
TEDB66
TST2_IN[0]
TST2_IN[1]
TST2_IN[3]
TST2_IN[2]
TST2_IN[4]
TSTD_IN[0]
TSTD_IN[1]
TSTD_IN[2]
TSTD_IN[3]
TSTD_IN[4]
TSTD_IN[6]
TSTD_IN[7]
TSTD_IN[8]
TSTD_IN[9]
TSTD_IN[11]
TSTD_IN[14]
TSTD_IN[12]
TSTD_IN[13]
TSTD_IN[15]
TSTD_IN[10]
TSTD_IN[5]
TSTOE_IN
TST_HD_IN
TST_VD_IN
TSTCKDSP
TSTCK108
TRST
DIG_HD_OUT
DIG_CLK_OUT
DIG_VD_OUT
DIG_FIELD_OUT
DIG_OUT[4]
DIG_OUT[7]
DIG_OUT[5]
DIG_OUT[6]
DIG_OUT[0]
DIG_OUT[1]
DIG_OUT[2]
DIG_OUT[3]
TDI
TMS
TDO
TCK
TSTMODE[2]
TSTMODE[1]
TSTMODE[0]
TSTMODE[4]
TSTMODE[3]
MBIST
BUSSEL
RESET
SDA
CSYNC_IN
SYNC_OUT
VBIREADY
DTCLK
DTMB
SCL
VDDC
VDDC
VDDC
VDDC
VDDC
VDDC
VDDC
VDDC
VDDC
VDDC
VDDC
VDDC
VDDS
VDDS
VDDS
VDDS
VDDS
VDDS
VDDS
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
VSS12
SMODE
TMODE
MONITOR
DRAM2GND1
DRAM21VDD3
DRAM2GND3
DRAM21VDD1
DRAM2GND6
DRAM21VDD2
DRAM2GND2
DRAM21VDD5
DRAM11VDD2
DRAM1GND2
DRAM12VDD1
DRAM1GND3
DRAM22VDD1
DRAM2GND5
DRAM21VDD4
DRAM2GND4
DRAM11VDD1
DRAM1GND1
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
OUT
NC
IN
NC
GND
NC NC
0.2 0.3
3.3 3.3 0
FROM/TO DECODER
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
NC
3.3
0
3.3
3.3
0
0
0
0
0
2.3
1.5
0
1.5
0
1.5
0
1.5
0
1.5
0
1.5
0
1.5
0
1.5
0
1.5
0
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3.3
3.3
3.3
3.3
3.3
3.3
3.3