Sony DVP-K350 Service Manual ▷ View online
DVP-K350
4-31
4-32
AI-19 (D/A CONVERTER, DSP) SCHEMATIC DIAGRAM
• See page 4-27 for printed wiring board.
– Ref. No.: AI-19 board; 2,000 series –
D/A CONVERTER, DSP
AI-19 (2/6)
B+
B+
B-
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B-
10.3
5
3.3
3.4
D0/C1.2
1.6
1.6
1.4
3.3
3.3
0
D4.9/C0
2.3
2.3
5
2.3
2.3
2.3
4.9
-10.7
-8
-8.6
8
10.3
NO MARK:DVD/CD PLAY
D:DVD PLAY
C:CD PLAY
C:CD PLAY
0
5
0
0
5
1.7
1.6
3.3
3.3
3.3
3.3
0
3.3
1.7
0
0
0
1.6
1.4
3.3
3.3
0
3.3
0
0.01u
C203
JL217
P_GND
JL224
JL218
JL212
SW+3.3V
JL225
JL203
CN201
33P
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
JL213
XIFBUSY
JL222
XIFCS
JL204
512/384FS6CH
JL206
JL221
XFRRST
SCK1
KCS/6CH_C/SW
JL209
6CH_LRCK
JL201
JL202
JL214
A+5V
0
R217
LC78817M-TE-L
IC205
CH1OUT
1
VDD
2
N.C.
3
BCLK
4
LRCK
5
DATA
6
GND
7
N.C.
8
REFH
9
CH2OUT
10
AURST
JL215
0
R216
JL211
JL210
JL207
0
R215
0
R214
SO1
SI0
SO0
SC0
6CH_BCK
0
R207
0
R208
0
R203
220
R225
0
R221
220
R226
0
R229
0
R201
0.01u
C215
0
R220
0
R202
JL220
100
R231
0
R228
0.01u
C221
0
R219
0
R205
0
R230
0
R218
10u
C223
50V
0.01u
C222
JL223
JL216
10V
100u
C206
0
R227
JL219
100
R223
0.01u
C205
CXD9545Q
IC203
1
N.C.
2
VDD
3
MCLK
4
VSS
5
LRCKI
6
SDI0
7
SDI1
8
SDI2
9
BCKI
10
VSS
11
XCS
12
N.C
13
SI
14
SCK
15
VDD
16
VSS
17
SO
18
B15
19
VSS
20
1/2MCLK/B14
21
B13
22
B12
23
B11
24
B10
25
B09
26
B08
27
VDD
28
VSS
29
B07
30
B06
31
B05
32
B04
33
B03
34
B02
35
B01
36
B00
37
SDO0
38
BS
39
VDD
40
VSS
41
BCKO
42
SDOI
43
VSS
44
LRCKO
45
VSS
46
MODE
47
DSTP
48
XRST
JL205
SPDIF
SW+
D_GND
1u
C202
50V
SW-
IC201
L78M05TLL-SONY-TL
IN
1
GND
2
OUT
3
JL208
2SA1362-YG-EL
Q201
16V
47u
C204
C207
1u
50V
MA2Z748001S0
D201
IC202
UPC29M08T-E1
1
VIN
2
GND
3
OUT
+8V
0.01u
C209
+10V
2200
R209
0.01u
C211
C213
16V
100u
-8V
220
R210
50V
22u
C210
SW-10V
VESSO
KARAOKE_DATA
KARAOKE_BCK
KARAOKE_LRCK
0
R224
0
R204
0
R206
0
R236
0.001u
C216
0.01u
C220
50V
22u
C219
CXD9544MR
IC204
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
0.001u
C217
10
R235
0.01u
C225
JL226
FB201
0uH
FB202
0uH
1u
C229
1
A
1
2
3
4
5
6
7
8
9
10
11
12
XIFCS
6CH_C/SW
SI1
2CH_DATA
D_GND
512FS2CH/VES
KCS/6CH_C/SW
IFBSY
BCK
SCK1
512/384FS6CH
SO1
SPDIF
D_GND
6CH_BCK
6CH_FRONT
6CH_LRCK
SC0
D_GND
2CH_CS
6CH/VES_CS
SI0
D_GND
6CH_REAR
AURST
XFRRST
LRCK
SO0
6CH_REAR/XRST
BCK
MAMUTE
D_GND
D_GND
6CH_FRONT
CMOUT
BMUTEC
AOUTB-
AOUTB+
AGND
VA
AOUTA+
AOUTA-
AMUTEC
FILT+
M0(AD0/CS)
M1(SDA/CDIN)
M2(SCL/CCLK)
M3
MCLK
LRCK
SCLK
SDATA
VL
RST
2
16
L
I
K
12
G
6
8
D
E
AI-19 BOARD (2/6)
B
7
05
15
13
10
11
C
H
F
3
J
14
9
4
5
VES DSP
IC203
+8V REG
IC202
AUDIO D/A CONVERTER
IC204
SW D/A CONVERTER
IC205
+5V REG
IC201
MB-86 BOARD (3/8)
CN701
(SEE PAGE 4-15)
AI-19 BOARD
(3/6,4/6,5/6)
AI-19 BOARD (6/6)
AI-19 BOARD (4/6)
AI-19 BOARD (4/6)
AI-19 BOARD (5/6)
AI-19 BOARD (3/6)
AI-19 BOARD (4/6)
AI-19 BOARD (3/6)
AI-19 BOARD
(6/6)
(3/6,4/6)
AI-19 BOARD
AI-19 BOARD (6/6)
AI-19 BOARD (3/6)
-8V REG
(SEE PAGE 4-33)
1
PB
AUDIO
SIGNAL PATH
SIGNAL
DVP-K350
4-33
4-34
AI-19 (AMP, LPF) SCHEMATIC DIAGRAM
• See page 4-27 for printed wiring board.
– Ref. No.: AI-19 board; 2,000 series –
AMP, LPF
AI-19 (3/6)
B+
B-
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B-
B-
B-
B-
B-
B-
D:DVD PLAY
C:CD PLAY
C:CD PLAY
NO MARK:DVD/CD PLAY
-8
0
-8
-8
0
0
0
0
0
0
0
0
0
7.9
7.9
0
0
0
-8
0
0
-9
-9
0
0
0
0
-8
7.9
0
0
0
0
0
D0.7/C-8
D0.7/C-8
1.8
5
2.5
0
0
-8
0
7.9
0
0
0
3.3
1.6
5
5
-8
5
0
5
D0.7/C-8
D6.5/C7.4
D0/C7.4
D0.7/
C0
0.1
5
-9
4.9
4.9
0.1
0.1
3.3
-9
0
BA4558F-E2
IC208
1
2
3
4
5
6
7
8
470
R298
50V
22u
C255
50V
22u
C256
2SD1938(F)-T(TX).SO
Q205
2700p
C276
47k
R301
470
R299
2700p
C275
2SD1938(F)-T(TX).SO
Q204
+8V
-8V
0.47u
C240
KARAGAIN
10k
R257
10k
R263
UN2111-TX
Q203
4700
R254
220
R272
10k
R292
220
R271
100p
C243
10k
R296
100
R265
BA4558F-E2
IC207
1
2
3
4
5
6
7
8
1k
R260
0.01u
C247
1k
R269
100p
C244
1k
R267
10k
R279
0.01u
C263
UN2213-TX
Q202
2SB709A-QRS-TX
Q207
470
R327
470
R326
470
R325
470
R324
100p
C279
100p
C280
100p
C282
100p
C283
4700
R247
16V
100u
C265
1SS355TE-17
D205
0.01u
C262
100k
R312
16V
100u
C264
4700
R309
P_GND
4700
R310
2SD1938(F)-T(TX).SO
Q215
2SD1938(F)-T(TX).SO
Q216
47k
R302
16V
220u
C238
2SC2712-YG-TE85L
Q218
GP1F32T
IC210
1
D IN
2
VCC
3
GND
SPDIF
220
R328
JL228
A+5V
68
R322
1k
R314
0
R321
16V
47u
C278
JL230
16V
47u
C271
J202
JL227
JL229
1k
R316
50V
10u
C272
100
R320
0.01u
C268
10k
R270
0
R300
0.01u
C269
10k
R281
220p
C266
2200
R291
C257
470p
470p
47k
R308
10k
R284
12k
R305
2SB709A-QRS-TX
Q213
2200
R290
C259
470p
470p
0.47u
C248
33k
R304
12k
R297
50V
22u
C261
SW-
2SD1938(F)-T(TX).SO
Q214
470
R313
SW+
UN2213-TX
Q209
0
R303
3300
R294
BA4558F-E2
IC209
1
2
3
4
5
6
7
8
1k
R276
1k
R275
R287
10k
R288
10k
R283
10k
R282
10k
100k
R289
J201
UN2213-TX
Q208
10k
R268
1k
R255
1k
R256
10V
220u
C241
10V
220u
C242
220k
R261
220k
R262
4700
R248
4700
R266
1SS355TE-17
D202
1SS355TE-17
D203
1SS355TE-17
D204
MIC2
MIC1
HAKUSYU
10k
R311
50V
4.7u
C228
150p
C239
10k
R244
10k
R245
BA4558F-E2
IC206
1
2
3
4
5
6
7
8
8200
R242
8200
R239
0.1u
C226
1500
R251
10k
R252
1500
R249
560p
C233
560p
C234
150p
C237
150p
C236
22u
50V
50V
C231
8200
R241
10k
R253
1500
R250
50V
4.7u
C232
0.1u
C227
8200
R240
0.1u
C230
1500
R246
150p
C235
100k
R258
100p
C246
100
R259
100p
C245
1k
R264
2SD1938(F)
-T(TX).SO
Q211
2SD1938(F)
-T(TX).SO
Q210
4700
R277
4700
R278
220k
R273
220k
R274
10V
100u
C249
10V
100u
C250
10k
R280
0
R330
0
R331
0
R332
0
R333
0
R334
0
R335
2SC2712-YG-TE85L
Q212
100k
R336
DAN202K-T-146
D208
100k
R337
DAN202K-T-146
D207
1
2
3
100p
C284
100p
C285
DTC124TKA-T146
Q206
0
R285
0
R286
HAKUSYU_MUTE
J203
1R
1L
RGND
2R
LGND
2L
220
R306
R329
0uH
CLAPBUSY
MUTE+5V
A_MUTE
MICOUT
1
A
1
2
3
4
5
6
7
8
9
10
11
12
AUDIO
IC208
LPF
IC206
LPF
IC207
LPF
IC209
2
16
I
K
12
G
6
8
D
E
AI-19 BOARD (3/6)
B
7
05
15
13
10
17
11
C
H
F
3
J
14
9
4
5
AI-19 BOARD (4/6)
AI-19 BOARD (1/6)
AI-19 BOARD (2/6)
AI-19 BOARD (4/6)
AI-19 BOARD (2/6)
AI-19 BOARD (4/6)
AI-19 BOARD (6/6)
AI-19 BOARD (5/6)
AI-19 BOARD (2/6)
AI-19 BOARD (2/6)
AI-19 BOARD
(4/6,6/6)
AI-19 BOARD
(5/6,6/6)
(SEE PAGE 4-32)
1
PB
SIGNAL
SIGNAL PATH
AUDIO
GAIN CONTROL
Q203,208
LEVEL,SHIFT
GAIN CONTROL
MUTE
Q210,211
MUTE
Q215,216
MIX AMP
BUFFER
MUTE
MUTE DRIVE
Q202,206,207
Q209,212,213
MUTE DRIVE
WOOFER
OPTICAL
COAXIAL
DIGITAL
OUT
R
L
1
2
AUDIO OUT
DVP-K350
4-35
4-36
AI-19 (KARAOKE DSP) SCHEMATIC DIAGRAM
• See page 4-27 for printed wiring board.
– Ref. No.: AI-19 board; 2,000 series –
KARAOKE DSP
AI-19 (4/6)
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B-
B-
B-
B-
D:DVD PLAY
C:CD PLAY
C:CD PLAY
NO MARK:DVD/CD PLAY
:TW
:CH,HK,SP
:CH,HK,SP
8
0
0
0
-8
0
0
0
0
4.9
4.9
4.9
0
0
0
4.9
4.9
4.9
0.6
0
0.6
4.9
0.1
4.9
0
4.9
0
-7.9
-8
4.9
5
4.8
4.8
0
0.6
5
5
0.6
0.5
0
4.8
4.9
-8
5
-7.9
0
*:IMPOSSIBLE TO MEASURE THE
VOLTAGE AT THE MARKED POINTS.
VOLTAGE AT THE MARKED POINTS.
1.6
3.3
0
0
4.9
3.3
1.6
0
0
1.6
D0/C1.2
1.6
4.9
1.6
5
*
*
*
*
0
16V
47u
C405
NJM4558M-TE2
IC403
1
2
3
4
5
6
7
8
R428
0
R429
0
C419
0.1u
C414
0.1u
NJM2072M(TE2)
IC402
1
VCAIN
2
DACON
3
AMP 0
4
GND
5
RECA
V
6
OT
A
7
OUT2
8
VCC
50V
4.7u
C421
0.1u
C413
16V
47u
C411
50V
4.7u
C416
0.001u
C418
*
R431
10k
R421
MSM6654A-454GS-KDR1
IC401
1
VDD
2
OSC1
3
OSC2
4
N.C
5
OSC3
6
N.C
7
N.C
8
RND
9
SW0
10
SW1
11
SW2
12
SW3
13
A0
14
A1
15
A2
16
TEST
17
RESET
18
N.C
19
N.C
20
BUSY
21
N.C
22
XTICA
23
A OUT
24
GND
100k
R414
27k
R416
1k
R422
1k
R423
33p
C406
0.01u
C410
0.01u
C407
16V
47u
C403
0.1u
C402
820
R413
10k
R411
100k
R419
10V
100u
C409
50V
4.7u
C404
R412
220
UN2211-TX
Q403
220
R425
10k
R418
220
R426
UN2111-TX
Q404
10k
R435
10k
R427
2SD1938(F)
-T(TX).SO
Q405
CL402
CL405
CL401
CL406
CL407
CL403
CL404
100
R401
470
R420
UN2113-TX
Q401
220
R407
0
R408
100k
R409
Q402
2SD1938(F)
-T(TX).SO
12k
R433
10k
R430
6800
R434
100p
C417
100
R436
100
R402
220
R451
100k
R450
UN2111-TX
Q407
Q406
UN2213-TX
25V
22u
C423
10k
R442
10k
R439
D403
1SS355TE-17
D402
1SS355TE-17
25V
22u
C408
10k
R440
1SS355TE-17
D401
100k
R404
16V
47u
C401
25V
22u
C412
HAKUSYU
MICOUT
+8V
A_GND
-8V
OTASUKE
CLAPBSY
CLAPSW0
CLAPSW1
MIC
YSS915-ME2
IC404
1
DI
2
BCI
3
DO
4
L/R
5
DVDD1
6
BCO
7
DVSS1
8
AVDD
9
PLLC
10
AVSS
11
ADC1
12
ADC2
13
VREF
14
MICIN
15
AOL
16
AOR
17
XI
18
IC
19
DVDD2
20
DEPI
21
DVSS2
22
XISEL/ZERO
23
P0
24
CS
25
SCK
26
CDI
27
CDO
28
SDSY
100
R460
100
R461
100
R462
10
R459
CL408
CL410
CL412
CL413
50V
10u
C434
0.001u
C435
100
R463
220p
C431
220p
C432
560
R454
50V
10u
C430
0.01u
C428
100p
C429
C425
0.1u
C427
0.1u
10k
R455
2.2
R456
100
R444
100
R445
100
R446
100
R447
100
R448
100
R449
4700
R457
68k
R458
VESSO
6CH_BCK
6CH_LRCK
0.1u
C426
KARAOKE_DATA
KARAOKE_LRCK
KARAOKE_BCK
512/384FS6CH
AURST
KCS/6CH_C/SW
SCK1
SO1
MIC1
MIC2
2SD1938(F)
-T(TX).SO
Q408
1k
R452
C422
50V
10u
50V
1u
C433
CL409
CL411
10
R441
47k
R443
CLAPBUSY
D_GND
0.01u
C424
P_GND
0
R403
10k
R406
SW+3.3V
16V
47u
C436
1k
R464
16V
47u
C437
R465
10
UN2213-TX
Q409
UN2213-TX
Q410
10k
R466
A+5V
DACMUTE
R437
220
HAKUSYU_MUTE
1
A
VOICE LEVEL
IC402
2
16
I
K
12
G
6
8
D
E
AI-19 BOARD (4/6)
B
7
05
15
13
10
11
C
H
F
3
J
14
9
4
5
KARAOKE DSP
IC404
EFFECT
IC401
LPF
IC403
AI-19 BOARD (6/6)
AI-19 BOARD (2/6)
AI-19 BOARD (2/6)
AI-19 BOARD (1/6)
AI-19 BOARD (6/6)
AI-19 BOARD (1/6)
AI-19 BOARD (3/6)
AI-19 BOARD (6/6)
AI-19 BOARD (1/6)
AI-19 BOARD (2/6)
AI-19 BOARD (3/6)
AI-19 BOARD (2/6)
AI-19 BOARD (5/6)
PB
SIGNAL PATH
SIGNAL
AUDIO
SENSOR
MUTE
Q406,407
MUTE
DRIVE
MUTE
Q409,410
DRIVE
MUTE
DRIVE
MUTE
MUTE
MUTE
DRIVE
Q403,404
820
*R431
3.3k
DVP-K350
4-37
4-38
IF CON
AI-19 (5/6)
• Waveform
1
IC502
qg
3.2 Vp-p (2 MHz)
AI-19 (IF CON) SCHEMATIC DIAGRAM
• See page 4-27 for printed wiring board.
– Ref. No.: AI-19 board; 2,000 series –
B+
B+
B+
B+
B+
B-
B+
B+
B+
B+
B+
B-
B+
B+
B-
B-
D:DVD PLAY
C:CD PLAY
C:CD PLAY
NO MARK:DVD/CD PLAY
-0.4
-10.7
-10.8
3.3
3.3
3.3
3.3
:TW
:CH,HK,SP
:CH,HK,SP
-10.8
-0.4
3.3
3.3
3.3
3.3
2.7
3.3
3.3
3.3
3.3
3.3
3.3
1.3
1.5
3.3
0
3.5
3.3
0
0
-36.3
3.3
0
3.3
21.9
21.9
33.2
-36
-36
-36
-36
-36
-36
1
3.3
-0.2
3.1
-33.2
-33.2
-33.2
-33.2
-33.2
-33.2
-33.2
-33.2
-33.2
-33.2
-33.2
-33.2
-33.2
-33.2
-33.2
-33.2
-33.2
-36
-36
-36
3.3
0
0
0
0
3.1
3.3
0
3.3
3.3
0.3
3.2
0.7
3
0
1.6
0
MA113-(TX)
D503
10k
R548
C503
16V
100u
C522
0.1u
L501
47uH
C510
0.01u
D502
MA113-(TX)
2SD1624-T-TD
Q503
Q502
2SD1624-T-TD
3900
R524
0.1u
C518
50V
22u
C521
JL516
JL517
MA113-(TX)
D504
MA113-(TX)
D505
SW-10V
SO0
SC0
XIFCS
SI0
XIFBUSY
XFRRST
M38B57M6-147FP
IC502
1
AN5
2
AN4
3
AN3
4
PLAY
5
O/C
6
PONCHK
7
FRRST
8
SELF CHECK
9
IR
10
RST
11
AMUTE
12
VMUTE
13
VSS
14
X1
15
X0
16
VCC
17
N.C.
18
N.C.
19
N.C.
20
BUZ
21
PDET
22
COMINT
23
N.C.
24
STAR
25
RESERVE
26
N.C.
27
N.C.
28
VEE
29
VOCAL
30
SUPPOR
T
31
SEG17
32
SEG18
33
SEG1
34
SEG2
35
SEG3
36
SEG4
37
SEG5
38
SEG6
39
SEG7
40
SEG8
41
SEG9
42
SEG10
43
SEG11
44
SEG12
45
SEG13
46
SEG14
47
SEG15
48
SEG16
49
DIG12
50
DIG11
51
DIG10
52
DIG9
53
DIG8
54
DIG7
55
DIG6
56
DIG5
57
DIG4
58
DIG3
59
DIG2
60
DIG1
61
KEY+
62
V_3D
63
KEY0
64
KEY-
65
ST
A
TUS
66
PCONT
67
SEL0
68
SEL1
69
BUSY
70
SC
71
SO
72
SI
73
A
VSS
74
VREF
75
AN11
76
CS
77
AN9
78
AN8
79
AN7
80
AN6
100
R573
100
R572
100
R571
100
R569
100
R570
100
R568
PCONT
10k
R549
10k
R552
10k
R556
330
R558
10k
R550
8200
R512
10k
R522
22k
R510
8200
R513
2700
R518
10k
R521
3900
R515
33
R523
0.01u
C516
SW+3.3V
100
R528
A_MUTE
VMUTE
X501
2MHz
2MHz
10k
R542
PDET
100
R527
0.1u
C517
1SS355TE-17
D509
100
R537
100k
R538
EVER+3.3V
EVER+5V
D_GND
10k
R561
10k
R562
3900
R514
2700
R517
120
R525
10k
R501
2700
R502
3900
R505
8200
R508
22k
R511
JL501
JL502
JL503
JL504
JL505
JL506
10k
R531
10k
R533
4700
R503
BZ501
JL518
68k
R574
68k
R575
68k
R576
68k
R577
68k
R565
68k
R566
*
D511
T501
1
2
3
4
5
6
7
8
9
0
R526
JL519
DAP202K-T-146
D507
10k
R547
PST7030MT
IC503
1
VCC
2
GND
3
VOUT
0
R539
10k
R540
10k
R541
10k
R564
MIC1
MIC2
SLR-342DCT32
D512
220
R559
VOCAL
SUPPORT
7P
CN502
1
2
3
4
5
6
7
11P
CN505
1
2
3
4
5
6
7
8
9
10
11
-8V
+8V
UN2211-TX
Q504
100
R553
100
R555
0.01u
C519
S501
S509
S503
S507
S508
S502
S504
S506
S505
S511
S510
220p
C529
220p
C534
0.1u
C536
220p
C537
220p
C538
220p
C539
0.1u
C540
0.01u
C541
A_GND
MIC
R536
4700
4700
1
A
DIG5
DIG6
DIG7
DIG8
DIG9
DIG10
DIG11
DIG12
SEG12
SEG11
SEG16
SEG15
SEG14
SEG13
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG10
SEG9
DIG4
DIG3
DIG2
DIG1
SEG17
SEG18
PREV
NEXT
DVD MENU
TITLE
RETURN
DISPLAY
OPEN/
CLOSE
CLOSE
COMMON
RIGHT
GND
UP
ENTER
LEFT
DOWN
RESERVE
RESERVE
MIC
AGND
AGND
+8V
-8V
MIC1-IN
MIC2-IN
EVER5V
GND
GND
SIRCS
18
20
8
13
3
10
21
7
15
2
14
6
16
1
12
5
17
9
11
4
AI-19 BOARD (6/6)
AI-19 BOARD (6/6)
AI-19 BOARD (3/6,4/6)
AI-19 BOARD (2/6)
AI-19 BOARD (6/6)
AI-19 BOARD (2/6)
AI-19 BOARD (6/6)
AI-19 BOARD (4/6)
11
E
5
B
7
J
G
2
I
H
3
C
13
8
D
4
F
6
12
10
05
K
9
AI-19 BOARD (5/6)
IC502
IF CON
AI-19 BOARD (6/6)
AI-19 BOARD (6/6)
AI-19 BOARD (1/6)
AI-19 BOARD (3/6)
AI-19 BOARD (6/6)
14
15
IC503
RESET
ENTER
CURSOR KEY
DC/DC
CONVERTER
CONVERTER
DC/DC
Q502,503
D511
MA8062-L-TX
MS8075-TX
*
DRIVE
LED
2
(SEE PAGE 4-39)
(SEE PAGE 4-42)
CN602
MC-126 BOARD
(SEE PAGE 4-39)
3
SIGNAL PATH
PB
SIGNAL
AUDIO
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