JVC XV-N420BEK2 Service Manual page 10

Standard schematic diagrams
Servo control section
5
E
F
D C101 C102
0.1
A 0.1
B
To pick-up C
RF
C132 C133 C134 C135 C136
NI NI NI NI
unit NI
R102 100
K102 0
0
K103
C131 R101
100
470p
K101 NQR0022-005X C103
0.1
F+
F-
T+
T-
CN101
QGF0536C1-24W
4
R103
R104
NI
C108
10K
NI
TP93
FM+ M9V
To spindle
FM-
TRVSW
motor
WOUT
VOUT
UOUT
assembly COM
CN201
QGF1007C2-08X
3
COM
CLOSESW
TO CN1
OPENSW
LM+
SHEET 4
LM-
CN202
DGND
QGF1007C2-05X
TP100
MGND
2
M9V
C381
0.1
C380
0.1
TO CN901
C375 C373
0.1
0.01
C423
SHEET 2
0
C961
C422
1.0 R361
0.1
4.7K
QGF1045F1-13X
CN301
MGND
1
TP94
B5.7V
A
D3.3V D5V
R126
TP47 TP48 TP49
C181 R174 NI
INB
0.033 0
C182 R175
IN
TE
R125
0.033 0
C978
0
C965 0.1
TP150 0.1
C149
0.1
R142
1000P
C152
0 C154
Q130
0.1 0.1
R130
C153 C155
0.1
0.1 NI
C156
C146 NI
33P 0.1
33P
33P
C140
R134 SDEN
RF
C109 33 R135 SDATA TEBC
680P 680P
33 R136
A SCLK
B 680P
C110 33
C C111 680P
D C112
680P MINTR
NI
IC101
C113 R137
ES6602 C145 CE
100P
R138
NI 1000P FE
3.3K
R139 C144
BSUM
3.3K
SVREF
C122
0.1 TP151
DFCT
NI
C141 TP132
680P
TP131
C143
C127
0.22
NI
TP50
C173
47/6.3
DGND
Q103 SPDRV
FODRV
NI
TRSDRV
RPBC
TRDRV
TEBC
SVREF
B5.7V INB
IN
C203
C260 0.022
C261 NI
0.022
NI AMPSTBY
C277
C262 0.022
FG
CLOSESW
TRVSW
OPENSW
OPEN
C205 R271
120P 22K TRDRV
CLK
R204 36K
C264 R206
MUTE
DCOTI
NI
62K DCLK
C204 DACCS
DACDENA
0.1
S1
NI
NI
RGB
B5.7V
IC201
DGND
LA6502-X
BLANKING
REMO
STB
R273 D271
AMPSTBY FLDIN
3.3K D301
1SS355-X
AVC
1SS355-X
C371
330P
Q301
UN2214-X
10K R207 47K
R213 C211 B3.3V
C206 NI R217
4.7K
0.022 IC304
NI
C275 C273
NI
560P
R216
NI C209
NI C208
C274
NI
R215 STBY
560P
NI
DGND
D5V
STBY
B3.3V
D3.3V
IC961
IC401
MM1688BHBE-X
RT9164A-PG-X
B1.8V
C943
1
C915
0.1
R421 0.1/16
C971 C405
120
1.0
C401 C402
C374
C403 47/4
D5V
100/4
0.1/16
0.01
DGND
DGND
B C
3.3K
R132
Q131
NI
Q132
NI
CN310
D3.3V
NI
D5V
DGND
DGND
D3.3V
D3.3V
TP310
C333
TP311
C330 C331 C339 C340
0.1
NI 100/4
NI 0.1
AGND
B3.3V
0.1
1
TP304
TP307
R321
C334
TP306
0.1
NI TP305
R317
R318
NI
NI
TP301
C385 0.1
0.1
TP302 C336
TP303
Q302
TP153 IC301
NI
ES6820FF
R320
C337 0.1
4.7K
R311
C322 C324
33
12P NI
C323
TP312
NAX0770-001X 12P
R384
R385
NI
C321
NI
1000P
R378
NI
R379
NI
C328
C353 C327 C329
C325 C326
C358
0.1 0.1
470P 0.1/16 0.1 TP309
SCL 0.1
SDA
NI
C372
C363
0.1
C344
47/4
IC302
K4S641632H-UC75
C365
470p
DGND
Refer to the "E" in a table.
D E
2-3 2-4
B3.3V B1.8V B3.3V
R399
C342
0.1
NI
C370 AOUTL R371
0.1
1K
R372
TSD1 NI R373
C341 R374 1K
0.1
TSD0 NI R375
C369
470P 1K
R376
SPDIF
NI R377
R307
1K
4.7K C379
R360 NI DGND
390
TP346
C376
C377 YOUT K371 NQR0360-002X
0.1
0.1
Cb/Pb K372 NQR0251-001X
C343 C332 Cr/Pr K373 NQR0360-002X
0.1/16
470P
S1
COUT K374 NQR0251-001X
C/Cv/Y K375 NQR0251-001X
SPDIF
RGB
LA1
LOE NQR0251-001X
D5V K332
LD0
AVC
C311
LD1
0.1 SPDIF K333 NQR0251-001X
MUTE
C406 0.1
LD2
D5V
LD3 AOUTR+
R404
LD4 AOUTR NI
LD5
AOUTR-2 NI
LD6
R362 BLANKING
LD7 R403
AOUTL
LCS3 C312
0.1
NI AOUTL+
R363
TSD0
LCS2 NI IC403 R402
TP56 R352
R351
AK4385ET-X 10
TP308
NI NI
R412
MCLK 470
LA0
LA17 TBCK 470
R413
C313
LA2 TSD0 470
0.1 R414
LRCLK 470
R415 FLDIN K376 NQR0251-001X
AOUTL+ CLK
LA3 K377 NQR0251-001X
DACCS R417 33
LA4 STB
K378 NQR0251-001X
DCLK R418 33 AOUTR+
LA5
DCOTI R419 33
LA6
LA7 C314
0.1
C421
470P
LA8 R420
100
LA18
LA19
LWRLL
LA21
LA20
DGND
LA9 DGND
B3.3V
C315
LA10
0.1
LA11 K307
LA12 0
LA13
LA14 C350
LA15 0.1 C355
NI
LA16
DB15
C349
DGND DGND
DB14
0.1/16
LA16 LA17
LA15
LA14
LA13 LA0
LA12 LD7
LA11
LA10 LD6
LA9
LA20 LD5
R367 NI
C352
LWRLL 0.1 LD4
RESET
C391
470p
DGND LD3
0.1 C392 NI
LA19 LD2
LA18
LD1
LA8
DGND LA7
LD0
LA6
LOE
LA5
LA4
B3.3V LCS3
LA3
LA2 LA1
DGND
C364
0.1
K306
NQR0502-001X
RESET
F
TO CN905
SHEET 2
C382 0.1
CN302
QGF1016F2-23W
TO CN902
SHEET 2
CN303
QGF1045F1-07X
DGND AGND
B3.3V B5.7V
LCS2
DGND
LCS3
RESET
LWRLL
LCS2
LCS3
LOE
LD7
LD6
LD5
LD4
LD3
LD2
LD1
LD0
Not use
LA21
LA20
LA19
LA18
LA17
LA16
LA15
LA14
LA13
LA12
LA11
LA10
LA9
LA8
LA7
LA6
LA5
LA4
LA3
LA2
LA1
LA0
CN404
NI
gns10037001a1_rev0
SHEET 1
G