JVC AV-28T5BK/P Service Manual page 40

MAIN PWB CIRCUIT DIAGRAM (2/3)
CN00F
QGA2501C5-06Z R272 R271
33k 33k
C223
R274
NCF31AZ-105X
2.2k
R273
2.2k
SIDE
C224
NCF31AZ-105X
CONTROL
PWB
R205 R206 R207
OPEN OPEN OPEN
CN001
QGB1505J1-35
AV JACK
PWB
SC_YS2
C3
AV_LINK
Q218
*1
SW SDA1
Q202
*1
SW
SCL1
R201
10k
Q201
*1
R293
SW
10k
R292
10k
R202
10k R277 SW
15k
Q219
*1
P_ON/OFF
PROTECT
MAIN PWB
9V
(1/3),(3/3)
5V
D981 D982
*3 *3
8V
MAIN PWB 32V
(3/3)
L/R.VCC
A_GND
C/S.VCC
MAIN PWB 12V
(1/3),(3/3)
GND
STB3.3V
CN004
QGB1506L1-16
POWER & DEF PWB
MAIN PWB (1/3)
L_TVOUT LTV
R261
C220 D204
V_TV 390
R232 10/50 ZD12
82k
Q213
MUTING
R_TVOUT UN2226-X
R4
R262 D205
R233 C221
390 ZD12
82k 10/50
L4
R673 Q212
V4 0 *2
Q207 MUTING
UN2226-X
MUTING R263
Y4 R674 100k
0
C4 C213
R234
2.2k NCF31AZ-105X
R1
R235
33k
C214
39p
V1
C216
NCF31AZ-105X
L1
R236
D210 2.2k
R237
OPEN
33k
V2/Y2
CH
C217
D211
V1 39p
ZD12
R212
TV_OUT 100
SC_YS1
R240
R209
SC_R1 100
2.2k
R2
SC_G1
R211 C204
R241
SLOW1 33k NCF31AZ-105X
100
SC_B1
C205
R213
R208
L_TVOUT NCF31AZ-105X 100
2.2k
L2
R_TVOUT
R210 R214
33k 100
L1
R242
R1 C203
100
.01
SLOW2
V2/Y2
C2
R243
V2_OUT
100
V3/Y3
C207
R244
V3/Y3 NCF31AZ-105X
100
R3
CH
R215 R245
SC_R2 R216 C208
2.2k 100
33k 39p
D212
ZD12
C209 R246
NCF31AZ-105X 100
L3
R217 R218 C210 R247
SC_G2
2.2k 33k .01 /16 100
SLOW3
R2 R316
R220 R221 D215 R249
R219
8.2k 15k 0 ZD12 100
SC_B2 SLOW3 OPEN
L2
Q203 SW R265 R266
R203 R222
L3 OPEN 100 100
OPEN 12k R248
OPEN
R3
R223 CH
C211 OPEN R224 Q204 C218 D214 D201
OPEN OPEN OPEN 39p ZD12 ZD12
SW
R225 R318 R250
R317 OPEN 0 OPEN
0
R251 R253
R226 R227
8.2k 15k
8.2k 15k
SLOW2
SW
R204 R229 SW R228 R254 R255
Q208
OPEN 12k Q205 OPEN OPEN 12k
OPEN
MP_SW OPEN
R256
R230
OPEN SW
C212 OPEN R231 Q206 R257
Q209
OPEN OPEN OPEN OPEN
C219 OPEN
SW
OPEN
A.MUTE
R275 C226
390 10 /50
R258 D206
82k R276 C227
ZD12
390 10 /50
R259 D207
82k
Q211 ZD12
UN2226-X
MUTING
Q210 R675
*2 0
MUTING
Q214
R260 UN2226-X
100k MUTING
R676
0
MAIN PWB (3/3)
Q220
*1
R300 BUFFER
1k
R295 R296
1k 1k Q221
*1
BUFFER
R297
C241
1k
.1 /16
R298 R299
1k 1k
L
R
C228
.01
C229
10 /50
C230
10 /25
C234
.01
C235
100 /16
Q217
KTC3199/YG/-T
R286
100
IC201 R288
75
R287
CXA2089Q-X 150
1/2W
AV SELECT D208
ZD12
R319 100
R289 100
R290 100
C236
470 /16
R279 C237
5.6k NCF31AZ-105X
LTV
R267 R268 R269 R270
N
100 100 100 100
C231
10 /25 RTV
D213
ZD12
R280 C238
5.6k NCF31AZ-105X
D202
R282 R281
OPEN
1k 680
R283
100
QRG01GJ-101
R284
C233
C232 180 C239
100 /16
C225 100 /16 1/2W 470 /16
OPEN
R291
68
D203
.1/25
R285
D209
NCB21EK-104X 100
ZD12
Q215
KTA1267/YG/-T
D983
1N4003SG-T2
(No.YA261)2-7 2-8(No.YA261)
MAIN PWB ASS'Y(2/3)
SJW-1012A-U2 [AV-28T5SP,AV-28T5BR,AV-28T5SR]
SJW-1912A-U2 [AV-28T5BK,AV-28T5SK]
IC551 ROTATION
R551
R555
R552
R564
R553
R562
C561
R558
R559
R563
Q552
R561
Q551
C551 R560
F
R554
F
C552
C562
RT_GND
K552
IC901
OPEN
C901 C902 C903
OPEN OPEN OPEN
IC902
AN78L09-T
C905 C906
.1 /16 100 /16
C904
100 /16
CN003
QGB1506L1-16
POWER & DEF PWB
CN00K
SIDE
KEY
CONTROL
HP_DET
PWB
CN00B
QJB003-042424-E
SIDE
REMOCON
CONTROL
LED
KEY PWB
R556
C553
R557
Y001
BW
ROTATION
COIL
RT_12V CN0RT
C554
F
K551
C555 F
SJW- SJW-
1913A 1914A
SJW- SJW-
1911A 1912A
SJW- SJW-
1011A 1012A
QJK002- QJK002
CN00K
034423-E -034023
QGA2501
CN0RT OPEN
C5-03Z
IC551 LA6515 OPEN
R551 120k OPEN
R552 10 OPEN
R553 68k OPEN
R554 5.6k OPEN
R555 150k OPEN
R556 100k OPEN
R557 10 OPEN
R558 5.6k OPEN
R559 33k OPEN
R560 4.7k OPEN
R561 68k OPEN
R562 10k OPEN
R563 22k OPEN
R564 5.6k OPEN
C551 .22/16 OPEN
C552 .22/16 OPEN
C553 47/25 OPEN
C554 .22/16 OPEN
C555 .22/16 OPEN
C561 560p OPEN
C562 NCB11EK OPEN
-105X
QQR0621
K551 OPEN
-002Z
QQR0621
K552 OPEN
-002Z
Q551 *1 OPEN
HD
Q552 *2 OPEN
S_COR
EW
VGUARD
VD-
VD+
HFLB
ABL
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