JVC AV-32230/AG Service Manual page 43

AV SELECTOR PWB CIRCUIT DIAGRAM
R552
R501
18k
1k
SV1/OTH
J501 D501 R553
∗6 C501
22k
QNZ0454-001 C1 10/50
R502
D502
∗6
82 Y501 0
C502
10/50
Y1
C Y
LC501 X
D503 ∗
R503 R523
∗6
82
Y502 0 Y503 0
LC502
INPUT1 X
V
V1 D504
R504
∗6
D505
75
∗6
L L1
L1
R506 Y504 0
R505 C504 D506
82k 1k ∗6
1/50
C503
−
R R1
R1
R507 R508
C505 D507
82k 1k
1/50 *6
R554
R509
D508
X
X
X SV2/OTH
J502 J502 J502
R555
C508
QNN0348-001 X
X
C2
D509
R510
X
X Y505 X
C509
X
Y2
C Y
LC503 D510
R511 R535
X R531
X
X
X
Y506 X
INPUT2
BP
C510
X
L2
L L2
R513
R512 D511 BP
C515 ∗
82k 1k 6
1/50
R2 C511 IC501
R R2 ∗
R514 R515 (10/16)
C516 D512
82k 1k
∗6
1/50
V3
CN006
QGA2501C5-05Z
D513
∗6
R3
D514
TO FRONT AV GND ∗6
L3 C512
L3
INPUT PWB
L3 10/50
CN006 D515
GND
∗6
V3
R3
R3
C513 X
D516
∗6
C514
IC501 1 10
10/50
1.0Vp-p(H)
Q506 E
2.0Vp-p(H)
J503
QNN0348-001
R395
220
L
R393
AUDIO
82k
OUT
R
R396
R394
220
82k
∗8
Q387 Q386 X
SWITCH SWITCH
0V
0V
MPX
0V
R387 R386
CNMPX 22k X
QGA2501-F1-05 NC
SOA
RTV1
(FOR ADJ.)
LTV1
∗ ∗
DIFFERENCE LIST( PARTS)
IC502 Q501 Q502
∗ ∗
SGC0S003A-M2 BA7612N 2 2 NOT USED
SGC0S004A-M2 NOT USED NOT USED NOT USED
R527 R528 R529
SGC0S003A-M2 27kØ 18kØ 5.6kØ
SGC0S004A-M2 NOT USED NOT USED NOT USED NOT USED
No.51802C
R520
∗
R525 R526 R527
∗ ∗ ∗ Q502
∗
R521
∗
BUFFER
Q501
∗
C507
∗
R522 AMP
∗
BP
C506
∗
R528
R524 ∗ R529
∗ ∗ ∗
IC502
∗
(BA7612N)
VIDEO SELECTOR (PiP)
R550
∗
(1k) VPIP
R551
∗
(1k)
C528
∗
(47/25)
C527
∗
-0.01
9V
R532
X R537 R538 R539
Q504
X X X
X
R533
X
Q503
X
C524
R534
X
X
BP
NC
C523
R536 X R540
X R541
X X
X
NC
BA7644AN VIDEO SELECTOR (MAIN)
CTL LOGIC
CTL MUTE
B
5.6V
R544 R545 R546
1.8k OPT 27k
Q505
∗2 8.8V
8.8V
3.9V 4.9V
AMP
C520
C526 Q506
10/50 C521
0.01 R542 ∗2
47/25
3.2V
820 BUFFER
R543 R547 R548
1.8k 22k 2.2k
C522
47/25
C518
C519
0.01
47/25
C391
.47/50
L
VARI_L
D391
R391 ∗
6
220 C392
.47/50
R392 D392
∗
220
6
Vcc
R377
∗8
Q385 Q384 X
4.7k
SWITCH SWITCH
0V
0V
GND
R378
C374
4.7k
OPT
0V
R385 R384
X OPT
IC381
TC4066BP/N/
SWITCH
VARI_R
R
R382 R381
SWITCH
22k 5.6k
0V
7.1V
Q382
∗
4
SWITCH
7.1V
0V
0V
IN1/OTH
0V
Q381
∗4
SWITCH
A_MUTING
R518 R519 R520 R521 R522 R523 R524
NOT USED NOT USED 1.5kØ 1.5kØ NOT USED 1.8kØ
15kØ 10kØ 15kØ NOT USED NOT USED 10kØ NOT USED
R550 R551 C503 C506 C507 C511 C527
1kØ 1kØ 10µF/50V 47µF/25V 10µF/16V 10µF/16V 0.01µF
NOT USED NOT USED NOT USED NOT USED NOT USED NOT USED
AV-32230
AV-32230
AV-32260 AV-32260
Main Video SW(IC501) BA7644AN
PiP Video SW(IC502) BA7612AN IC504 1
(CTL A) (CTL B) OUT
(CTL A) (CTL B) OUT SEL_1 SEL_2
0.9Vp-p(H)
SEL_3 SEL_4
L L V1(IN1)
L L V1(IN1)
L H V2(IN2)
L H S1(IN2)
H L V3(IN3)
H L V3(IN3)
H H VTV(IN4)
IC201
23
AV SELECTOR PWB ASS'Y
0.7Vp-p(H)
SGC0S003A-M2
(AV-32260)
5
SGC0S004A-M2
1.39Vp-p(H)
(AV-32230)
R210 0
L243 4.7 QQL244K-4R7Z QQL244K-4R7Z
L201
IC201
L244 BW TC90A53N
BW EF201
X Y201 X
C201 3L DIGITAL COMB FILTER
C203 X
X
L242
C206 C205
C209 C208 4.7 C242 0.01 VRB
C204 0.01 47/50
VREFL VSS4
X X
X 1.5V 0V
L241 BW C241 0.01
VSS1 VDD4
0V 5.0V
(L211) QQL244K-4R7Z
C213 VDD1 VREF
R211
47p CH 5.0V 2.9V
15k C231 10/50
Q211 VRT
C211 8.9V
R217 ∗2
10/50 R215 VREFH YOUT
1k 8.8V
3.5V 3.2V
R214 1.5k C243 0.01
5.9V 180 ADIN BIAS2
R218
4.5V
1.8V 1.7V
2.2k 5.2V 5.2V C244 0.01
L211
4.7 Q212 BIAS1 COUT
R212 R213
∗2 1.4V
C212 C214 4.0V
33k 1k C215
100p 180p R242 470k
R216 .47/50
CLAMPC BIAS3
CH CH
1.8k C237 3.2V 3.5V
4700p
TEST VSS3
5.0V R243 10k 0V 0V
C238 0.01
R232 1/2VDD VDD3
R223 R235 R244 10k
R229 2.5V 5.0V
0 1k
100
47k C247 0.01
4.7V 4.7V
VFIL CORING
Q219
Q218 R241 1.7V 0V
C223
EF202 ∗2 ∗1
0.01 1.6V 820
X CKIN 1LINE
1.0V
C246 180p
2.2V 0V
1.0V
R231 C232 CH
VDD2 VENH1
100 10/50
R230
C226 5.0V 0V
22k R233 R234 R236
0.01
1k 100
2.7k VSS2 VENH0
C245
0V 0V
0.01
KILLER CBPF
0V 0V
9V
IC371
(1/2) R157 R155
BA15218N
X X
AMP
4.4V
4.4V
C155
C371 R159
X R153 C153 R151
1/50 X
B2 X X X
BP
4.4V
C157
X
R375
33k
R373 R371
10k 10k
C373 R374 R372
10k 10k
R376
47/25
33k
C160
8.8V X
B2
C372
C156 R154 C154 R152
C159
1/50 BP
4.4V X X X X
X
B2
4.4V IC371
(2/2)
BA15218N
4.4V
AMP
CN001
CN001
QGB1505K1-35
R525 R526
1.8kØ 10kØ
NOT USED NOT USED
TO MAIN PWB ASS'Y CN001
C528
47µF/25V
NOT USED
2-11 2-12
R558
Y551
X
Y1
IN1/OTH
IC504 10
Q513
0.55Vp-p(H)
X
GND
IC503
X
SWITCH
25
IN1/OTH
1.1Vp-p(H)
C1
IN1/OTH
Y552
0
C2
Y2
VTV
R565
L251
22k R563
BW
SV/CV OPT
R564
C252
C236 OPT
0.01
0.01
(L202,L301)
C235 R255
10/50 0
GND
C251 ∗4
Q511
8.9V
47/50 C254 8.8V
R238 Q252 SWITCH
X IC504
8.2k 8.8V X
0V
Q253
TC4066BP/N/
R239 12k 3.2V ∗2 Q251
∗2 SWITCH
R252
0V
X 2.1V
C239 0.01
R258
2.5V R254
100
0
R251 L202
R259 1.5V
C249 0.01 470 15
2.2k
C253 C255 R253
SV/CV
L202
2.2k 39p 680
C248 0.01
CH QQL244K-150Z
C532
8.8V
0.01
C234 R574
Q261
0.01 ∗
C262 8.8V 470
2
4.0V R269
R249 X
Q262 0
C233 R264 ∗ Q263
X
2 R573 SV/CV
10/50 X X
R261 OPT
R248 100 3.3V
2.1V
X R263 C533
2.7V
R262 470 OPT
R247
R265 R270
100 2.2k C261 C263
1k 0
Y202 2.2k 15p
Q508 E Q509
R246
X CH
X
Y203 L261 15
2.1Vp-p(H) 1.7Vp-p(H)
R245 X QQL244K-150Z
X
C343
1/50
Y151
0
C151
X BP
FIXED EXT1 IN EXT2 IN TV OUT TONE/SURROUND VARIABLE
LINE OUT LINE OUT
IC001
UPC1851BCU
MTS & TONE/VOL CONTROL
dbx NR
IC151 PIROT DET PHASE DET SAP DEMODULATION
X
BBE IC
C152 C081
C087
X BP 0.1
0.1 B2
b2
C331 C082
4.7/50
100/16
C332 C333 BP C084 C088 C089 R088 C092
Y152 C086
0.01 47/25 2.2/50 0.1 3.3/50 1.5k 1/50
0 .47/50
R082 B2 C090 C091 C093
1/50 10/50 1/50
6.8k
R083
15k
SOA
No.51802C
0
Vcc
R559
X
Q512
X
VTV
C534 R561
2.2k
OPT
8.8V
R562
C531
0.01 470
Q508 ∗2
1.5V
BUFFER
0.8V
R566
0 YOUT
R567
1.5k
Vcc
8.8V
∗2
Q509
R568
18k BUFFER
3.1V
R569 R571
2.5V
10k 0 COUT
R572
5.6k
R570
0V
1.5k
Q510
∗4
5.0V
SV/CV
SWITCH
E
FSC
VPIP
SCL0
SDA0
R331
100
IIC BUS
C094
4.7/50
C095
1/50
NOTE
∗
1 : 2SA1037AK/QR/-X
∗
2 : 2SC2412K/QR/-X
∗
5 : 1SS133-T2
BW : IM-BW
0 : NRSA63J-0R0X
X : NON MOUNT