Scaler2 - Akai CFTD2052 Service Manual

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