Mitsubishi Electric WD-57733 Service Manual page 81

1 2 3
PG 19.....MAIN12 [AUDIO] V36-V38
A
9VS
C3A01
0.1
25V/16V
AUDIO ADC
Q3A02
DGND
R3A06 Q3A01 2SC3052-T112-1E,F
MAIN-R
100 2SC3052-T112-1E,F ADC3.3VS
1/16W
R3A01 5VS-A
MAIN-L 100
1/16W
R3A07
820 C3A05 R3A09
K-4.7M
1/16W 47
R3A02 B6.3V 1/16W
820 Rmain/2
1/16W
C3A02 R3A04
K-4.7M
47 1
B B6.3V 1/16W
Lmain/2
R3A13
10K
R3A03 R3A08 2
820 1/16W
820
1/16W 1/16W
3
C3A14
2.2U
6.3V
DGND DGND 4
5
C3A16
0.1 25V/16V
6
C3A17
0.1 25V/16V
7
C3A15 8
C3A18 10
10 16V
16V
C
DGND
D
ADAC-RST2
PLD
MAIN6
ADAC-RST1
DIGITAL AUDIO OUTPUT
L3S01
E BLM18A601SN1
C3S02
C3S01
0.1
47
6.3V 25V/16V
R3S04
3.3K
1/16W
Q3S01
2SC3052-T112-1E,F
PLD R3S01 R3S06
820 100
R3S13
SPDIF-OUT SPDIF-OUT 1/16W 1/16W 220K
MAIN6
C3S04 1/16W
R3S08
C3S03 10
10 75 16V
1/16W
R3S02 16V R3S05
3.3K
560
1/16W 1/16W
R3S10
R3S07
220
1/16W 1/16W
TPAC3GND
F R3S14
1K
1/16W
SPDIF-DET
MAIN.4/13
C3S10
1U
10V/6.3V R3S12
330K
1/16W
DGND
G
SIF DEMODULATOR
DGND
IC3F01
AN5832SA-E1V
C3F32
2.2U
6.3V
1 32
NC L-R REF
C3F02
10
C3F33
16V R3F33
0.01 47K
2 WB TIME NC 31
1/16W
R3F30
750
C3F03 1/16W
C3F04 3 WB DET LOUT 30
2.2U 0.33 R3F28
R3F29
25V/16V 750
180K 1/16W 1/16W
H 6.3V ROUT TU-R
4 SPE TIME 29
C3F05
C3F08
1U 0.1 C3F25
25V/16V C3F28 R3F25
10V/6.3V SPE DET 0.01 47K
5 28
AGC DET 1/16W
C3F06 2.2U
0.022
6.3V
16V/25V SCL/STID
6
SPE FIL 27
R3F27
100
1/16W
7 I2C PARA PE 26
R3F07 8 AGCSW GND
25
330 R3F24
1/16W 100
1/16W
SDA/SAPID
9 MODE 24
C3F23
2.2U
STEREO REF 6.3V
10 FOMO 23
C3F22
K-4.7M
11 MUTE SIFREF B6.3V
22
C3F21
R3F21
100 1000
50V
INPUT 1/16W SIF-IN
12 SIF/BB 21
I C3F13
C3F19
0.1 0.1
25V/16V
NOISE DET 25V/16V C3F20
13 NC
20 10
16V
C3F14
0.033
16V/25V
14 SAP DET VCC 19
C3F18
0.1
25V/16V
15 L+R REF PLL
18
C3F15
2.2U
6.3V PILOT DET R3F16
16 C3F16
NC 17 3.3K 0.22
1/16W
10V
C3F17
0.33
DGND 25V/16V
DGND
5VS_F
MAIN.2 SIF-IN
J
MAIN.1
K
4 5 6
PWR
MAIN.1 MAIN.4
L3A02
BLM18A601SN1
L3A03
BLM18A601SN1
R3A14
IC3A01
10K
1/16W
AK5358AETP
AINR CKS0 16
AINL
CKS2 15
CKS1 DIF 14 R3A17 R3A18
0 0
1/16W 1/16W
VCOM PDN
13
R3A21
33
SCLK-out 1/16W MASCK
AGND SCLK 12
AUDADCLK
VA MCLK 11
R3A22
33
VD LRCK LRCK-out 1/16W MAWS
10
R3A23
33
SDAT-out 1/16W MASD
DGND SDTO 9
R3A10
100
1/16W
DGND
ADAC-RST2
ADAC-RST1
5VS
RCA JACK
J3S01
TPAC3OUT YLC21-3035V
1
1
2
12K 3
440P115-10
1
DGND
IC3P03
MM1661JHBE TP1.8VS-DSP
1
1.8VSDSP
8 1
C3P06
C3P02 7 2 C3P03
0.33 22
1U
25V/16V 6.3V
10V/6.3V
6 3
5 4 C3P04
470
25V/50V
1.8V
DGND
L3P01 L3P02
BLM18A601SN1 BLM18A601SN1
C3P01
R3P08 0.1
3.3K 25V/16V
1/16W
LEVEL SHIFTER
C3P05
0.1
25V/16V
R3P05
22
R3P51
3.3K
1/16W
R3F01
0
1/16W C3P11
0.1
25V/16V
R3F02
0
1/16W
C3P16
0.1
25V/16V
DGND
DGND
L3F01
BLM18A601SN1
MAIN.4
7 8 9 10
I2S_A
MAIN.4
I2SMCLKA
I2SSCLKA
I2SSDATA
I2SLRCKA
9VS
3.3VS
R3P48
47
R3P02 R3P47
47
47
IC3P01 SPKR L/R
NJU26204V-TE2
R3D30
0 IC3D03
C3P32 1/16W
0.1
AK4341ETP
1 TST VDD 44
2 TST VSS 43
Mast_CLK
3 SDI1 VSSIO 42 1 MCLK GAIN
C3P31
0.1
4 SDI0 VDDIO 41 R3P39
47 CLK BICK
2 VCOM
DGND SD0out
5 LRI SDO0 40
DATA
6 VDDIO SDO1 39 3 SDTI VDD
7 BCKI TST 38
L/R_CLK
LRCK VSS
4
R3P35
8 VSS TST 37 R3D21
47 100
LRout
1/16W PDN
9 VDD LRO 36 5 HVDD
R3P34
R3P09
BCKout 47
10 SDA2/TST BCKO 35
22 R3D23 6 SMUTE AOUTL
R3P07
11 MUTEb MCK 34 R3D22 10K
C3P29 1/16W
10K 10K
0.1 1/16W
ACKS AOUTR
12 SCL2/WDC VDDIO 33 7
R3P28
100
R3P50
13 PROC SDA/SDOUT 32
R3P27
0 8 DIF DEM
100
14 VSSIO SCL/SCK 31
30
15 VDDIO AD2/SSb
16 SEL AD1/SDIN 29
R3P24
L3P03 BLM18A601SN1 0
DGND
17 VDDPLL TST 28
C3P12 C3P13 R3P23
0
10 0.1 18 VSSPLL TST 27
16V R3P22
0
19 VSS TST 26
25V/16V C3P21
0.1
20 VDD RESETb 25
R3P17 C3P20
C3P17
270 0.1
21 CLKOUT VDDIO 24
27 50V
22 CLK VSSIO 23
X3P01
12.288MHZ
C3P18
27
50V
DGND
MAIN.4
11 12 13
I2S_B
MAIN_04
DM(Monitor) L/R
IC3D01
Mast_CLK
1 MCLK GAIN 16
CLK BICK
2 VCOM 15
3.3V_1
AK4341ETP
DATA C3D01
3 SDTI VDD 14 C3D03 C3D02
0.1 10 10
16V
25V/16V 16V
L/R_CLK
LRCK VSS
4 13
C3D04
R3D01 C3D05
RST-MON PDN 0.1 10
5 HVDD 12
100 25V/16V 16V
1/16W 9VSA_1
R3D03 6 SMUTE AOUTL 11
R3D02 10K
1/16W R3D09
10K
1/16W
ACKS AOUTR
7 10 560
1/16W
R3D08
8 DIF DEM 9 560
1/16W C3D08 C3D09
2200 2200
50V 50V
DGND
DGND
AVR L/R
IC3D02
AK4341ETP
Mast_CLK MCLK GAIN
1 16
CLK
2 BICK VCOM 15
3.3V_2
DATA SDTI C3D11 C3D13 C3D12
3 VDD 14
0.1 10 10
16V
25V/16V 16V
L/R_CLK
4 LRCK VSS 13
R3D11 C3D14 C3D15
100 RST-AVR 0.1
5 PDN HVDD 12 10
25V/16V
1/16W 16V
9VSA_2
SMUTE AOUTL
R3D13 6 11
10K
R3D12
10K 1/16W R3D15
1/16W
7 ACKS AOUTR 10 560
1/16W
R3D18
DIF 560
8 DEM 9
1/16W
C3D18 C3D19
2200 2200
50V 50V
DGND
DGND
9VS
3.3VS
3.3V_3
2X10W CLASS-D POWER AMP.
R3E30
10
Analog_18V 1/4W
C3E28 C3E29
22
R3E24 0.1
35V 50V/25V
0
1/16W
IC3E02 A-GND
TDA8932BTW/N2
R3E25
0
1/16W
C3E31
R3E31
2.2U 4.7K 1
6.3V 32
SPKR_R+_IN 1/16W VSSD(HW) VSSD(HW)
C3E61
C3E32 0.1
16 R3E32 330 2 IN1P OSCIO 31 25V/16V
C3E33 10K 50V
2.2U R3E33 1/16W
4.7K
L3D08 6.3V 1/16W
DGND 3 IN1N HVP1 30
15 BLM18A601SN1
C3E60
0.1
C3D21 50V/25V
14 C3D23 C3D22 Q3E01 4 DIAG VDDP1 29
0.1 10 10
RT1N436C-T112-1 R3E06 C3E26
25V/16V 16V 16V 470U 35V
22K
1/16W
5 ENGAGE BOOT1 28
13
C3D24
C3D25
0.1 10 6 POWERUP
12 25V OUT1 27
16V L3D09 C3E15 C3E40 C3E58
BLM18A601SN1
9VSA_3 0.47 0.1
50V/25V
0.015
11 R3D29 16V/10V 7 CGND VSSP1 26
560 DGND 50V
1/16W
C3E55
8 STAB1
10 VDDA 25
R3E39 0.1
39K 25V/16V
1/16W
9 R3D28 9 VSSA STAB2 24
560
C3D28 C3D29
1/16W
2200 2200 C3E41
50V 50V 10 OSCREF 23 C3E51
VSSP2
0.015
0.1
16V
11 HVPREF 50V
OUT2 22
C3E42
DGND C3E43 0.1
47 25V/16V 12 INREF BOOT2 21
16V C3E50
C3E44
0.1 0.1
25V/16V 13 TEST 20 50V/25V
VDDP2
C3E35 C3E27
R3E35
2.2U 4.7K 470U 35V
6.3V
SPKR_L-_IN 1/16W
14 IN2N HVP2 19
C3E49
R3E36 C3E36 0.1 25V/16V
330
C3E37 10K 15 IN2P
2.2U R3E37 1/16W 50V DREF 18
4.7K C3E48
DGND 6.3V
1/16W
0.1 25V/16V
16 VSS(HW) VSSD(HW) 17
MUTE-SPKR1
DGND DGND
CONTENTS
PG 1.....BLOCK PG 15....MAIN8 [1394] V38
PG 2.....POWER PG 16....MAIN9 [SPA2_MAIN]
PG 3.....TERMINAL
PG 17....MAIN10 [SPA2_MEM]
PG 4.....MAIN1 [DCDC/IF]
PG 18....MAIN11 [TDMS]
PG 5.....MAIN2 [TUNER/MISC] V36-V37 PG 19....MAIN12 [AUDIO]
PG 6.....MAIN2 [TUNER] V38 PG 20....MAIN13 [MICRO]
PG 7.....MAIN3 [HDMI]
MAIN.13 PG 21....MAIN14 [FPGA] V38
PG 8.....MAIN4 [CORE] V36-V37
PG 22....MAIN15 [VIDEO_MAIN] V38
PG 9.....MAIN4 [CORE] V38
PG 23....MAIN16 [VIDEO_SUB/MISC] V38
PG 10....MAIN5 [MEMA] PG 24....MAIN17 [GUIDE] V38
PG 11....MAIN6 [MEMB] V38
PG 25....MISC[CONT/FRONT/LED/HDMI/SBL/PRE-AMP]
PG 12....MAIN7 [ROM/AV] V36-V37
PG 13....MAIN7 [ROM/AV] V38
PG 14....MAIN8 [ADC] V36-V37
14 15 16
V38 ONLY
L3D01
BLM18A601SN1
L3D02
BLM18A601SN1
9VS
DM-L DM-L
GND Guard Trace
DM-R DM-R
DGND
R3D25 C3D17
2.2K
0.1
1/16W
L3D04 25V/16V
AVR-L AVR-L
BLM18A601SN1
R3D16
100 GND Guard Trace
1/16W R3D26
Q3D01 2.2K
DGND
1/16W
AVR-R AVR-R
2SA1235A-T112-1E,F
R3D19
100
1/16W Q3D02
L3D05
BLM18A601SN1
9VS
2SA1235A-T112-1E,F
L3E02
221 OHM 18VA
18VA
A-GND
A-GND
R
ES
L3E04
SPKR_R+
22uH, 3A
SPKR(R+)
5
R3E43 C3E63
10 0.1 4
SPKR(R-)
1/4W 25V/16V
SPKR_R-
C3E64 C3E10
0.33 0.33
C3E65 SPKR(L-) 2
C3E56 25V 25V R3E44
470 22 1000U
50V 1/4W 25V
A-GND SPKR(L+) 1
L
L3E05
SPKR_L-
22uH, 3A
R3E46
10
1/4W
C3E67
C3E68 C3E12 0.1
0.33 0.33 25V/16V
25V 25V
SPKR_L+
C3E53 R3E47 C3E69
470
22 1000U
50V 1/4W 25V
C3E70 C3E74
A-GND 1500 1500
50V 50V
C3E71 C3E75
1500 1500
50V 50V
C3E72 C3E76
1500 1500
50V 50V
C3E73 C3E77
1500 1500
50V 50V
DGND A-GND DGND
WD-57733 V36
WD-65733 V36
WD-73733 V36
WD-C657 V36L
WD-57734 V37
WD-65734 V37
WD-73734 V37
WD-Y577 V37L
WD-Y657 V37L
WD-57833 V38
WD-65833 V38
WD-73833 V38
PAGE 19