JVC AV32H20EUS Service Manual page 35

CIRCUIT DIAGRAMS
MAIN PWB CIRCUIT DIAGRAM [1/2]
AV SW PWB
CN001
QGB1505J1-50
SDA1
SDA1
SCL1
SCL1
SDA2
SDA2 Y701
0
SCL2
SCL2
TU1_AFC
TU1_AFC
SMF- SMF-
AGC
1401A-U2 1402A-U2
AGC
C458 .1/16 X
VTV1
VTV1
R464 56k X
LTV1
LTV1 R463 120k 100k
R487 33k 18k
RTV1
RTV1
R491 4.7K 3.3K
R493 18K X
CHB219W
CN0R1 X
-02P-S
QGA2501
CN0R3 X
C5-03Z
R315 220 100
POW_ON/OFF
POW_ON/OFF R316 220 100
BBE_ON/OFF
R317 220 100
BBE_ON/OFF
BBE_BOOST D311 *12 *12
BBE_BOOST
D314 *3 *3
CLOCK
CLOCK
DATA
DATA
STATUS
STATUS
NOTE
READY
READY
X : OPTION(NON MOUNT)
MSP_RESET
BW : IM-BW
MSP_RESET
AUDIO_MUTE 0 : NRSA63J-0R0X
AUDIO_MUTE
*1 : 2SC2412K/QR/-X
A.MUTE :
*2 2SA1037AK/QR/-X
A.MUTE
*3 : MA111-X
AMP_MUTE
AMP_MUTE *4 : MA3120/M/-X
L/R_CENT
L/R_CENT *5 : DTC124EKA-X
*6 : DTA124EKA-X
R
R
*7 : 2SC1740S/QR/-T
L
*8 : 2SA933AS/QR/-T
L
L_SUB *9 MA3056/M/-X
L_SUB
*10 MA3036-X
A_SUB_GND
*11 MA3240/M/-X
A_SUB_GND
*12 MA3051/M/-X
R_SUB
R_SUB
H/P_L
H/P_L
H/P_GND
H/P_GND
H/P_R
H/P_R
32V
9V
5V
A_M+VCC
A_M-VCC
A_C_VCC
A_GND
A_GND
8V
10V
MAIN PWB
(1/2)
SMF-1401A-U2
(AV32H20EUS)
SMF-1402A-U2
(AV28H20EUS)
(AV28H20EUB)
CN004
QGB1506L1-16
SYNC SEP PB
CN0R1 CN0NS
* X
CN0R3 CN0R2
* X
0
0
Y702
X
IC571
X PURITY
R571 R572
X
X
R579 R578
R573
X X
X R580
C571 R575 X
80%
X X
C575
R574 R576
X X X
80%
C572
CN00V C576
X
X R577
X
X
IC551
ROTATION
LA6515
QRN143J-0R0X
7.2V 7.2V 6.4V 6.4V 5.9V 6V 5.6V 5.6V 12V
R552
R551 R561
120k
R559 R558
10
150k 100k R560
R553 C553
10
68k 47/25
80%
C551
.22/16 80%
C554
R554
C552 R555 .22/16
80% 5.6k 80%
.22/16 33k
C555
R556
.22/16
4.7k
R557 C560
5.6k 100/16
ROTATION
R951
D951
22
1SR35-400A-T2
R1/2
10V
C951
470/16
C564
.1/16
A_GND
POWER & DEF PWB
No.51945
AV32H20EUS
AV32H20EUS
AV28H20EUS
AV28H20EUS
AV28H20EUB AV28H20EUB
100Hz PWB
CN00C
CH41171-006
CN003
QGB1505J1-50
Y305
0
K301
Y304
0 NQR0413-003X D773
MA3056/M/-X
D774
MA3056/M/-X
D321 D320
*9 *9
.056/16
C701
10/50
Q571 X
SWITCH
R581
X
R582
C574 X
X
R583
80%
X 1/2W R584
C573
X
X
80%
Q572
R585
X
X
SWITCH
R503
X
C501
Y303
15p
0 CH
C502
CH
15p
X501
QAX0549-001Z
24.576MHz
R304 1k
R301 100
R302 100
LC301
NQR0431-001X
R511
1.5k
C320
2200/6.3
R565
5.6k C563 CH
R563
C561
X
10k 560p
R564
CH
Q562 22k R512
3.3k
*2
C562
Q561
1/50 *1 R562
68k
R322 L301
0 1.5
NQL092K-1R5X
C458 R321
* 0
R323 R324
X X
C301
100/16
N/S_COR
R456
R455 R454
*3
C402 12k
12k 4.7k
D982 100/16
C453
.01
6.2V 2.9V 2.9V 0V 1.5V 1.5V 2V
C457 GND
.033/25
9V
R458
IC402 12k
IC951
BA10324AF-XE VCC
BA09T EW/V DRIVE
8.9V
L951
11V IN OUT 5.6
C952 C954 C956
.1/16
470/10 100/10
C454 R459
.033/25 4.7k
IC952
HS952 L951 R461
X BA08T QQL26AM-5R6Z 12k
R463
R462
11.4V 8V *
IN OUT
15k
C953 C955
.1/16 220/10
CN005 CN006
QGB1506L1-16 QGB1506L1-16
2-5 2-6
MICOM PWB
D771
MA3056/M/-X
D772
MA3056/M/-X
R464
Y901
*
D319 D475
X
R722
C702 *10 *11
1k
4.9V 3.6V 3.6V 3.9V 0V 0V 0V 0V
0.1V
R701
10k R704
1k
R714 1k
IC701
R715 1k JLC1562BF-X
C310
2200/10
D318 *3
R501 LC303
0 NQR0431-001X
D317
*3
C308
.1/16 D313
CH
D311 X
C324
R314 *
220 82P
D316
D314 X
0V 3.1V 0V 3.1V 0V 1V 3.2V 3.1V 3.4V 7.9V 0.6V 0.6V 0.6V 0.8V *
D315
X
C318
2V 0.5V .01
CLKI B/V1
C317
0.5V .01
X1 G/U1
C316
0.5V .01
X2 R/Y1
CLEXT VSS(A4)
C315
1V .022
TEST VIN
C314
1V .022
SUBST UIN
C313
0.8V
3.1V DEF & RGB PROCESSOR .022
RESN YIN
C306
3.5V IC301 3.1V .1/16
SCL1 VDD(A4)
3.6V SDA9380 3V
SDA1 DCI
R303 C312
(Ik)
3.1V 2.5V 27k
220p CH
R313
VDD(D) VREFC
18k
VSS(D) VREFN
0V
2.3V
HD VBLO NC
C309
1.5V
.1/16
NC H35K VREFH
0V
NC H38K PROTON
R312
1.7V 2.5V 27k
PWM IBEAM
(ABL) C311 D593
0V 2.9V
.068/16 *3
VSYNC BSOIN
Q591
3.1V 0V R504 1k *2
3.1V 0.2V 0V 0.3V 1.2V 2.9V 1.5V 1.5V 3.1V 0V 1.1V 0.2V
RESET
L302
CH R593
1.5 R596
X
NQL092K-1R5X 100k
C591 R592
470p 3.3k
C303
.1/16 R521
D591
22k
*3
R591
D521
*3 560
HPROT
D592
MA3051/M/-X
E/W C452
X
R405
1k
R403
330
R471
R468 R466
R476 R474 R473 27k
220k 220k
12k 56k 12k
D474 *3
R465
220k
R475
C473
15k
.1/16 R470
R404 C471
22k C472
330 .1/16
.01
R469
VCC
IC471 68k
R467
BA10358F-XE 56k
EHT CORRECT
R481
GND R485 4.7k
12k Q472
*1
EHT
CORRECT
R484
R489 R487
C475 R486
VD+ 33k * 47k
VD- .1/16 4.7k
No.51945
CN007
QGB1505J1-50
H/P_L
H/P_L
H/P_L
H/P_GND
H/P_GND
H/P_GND
H/P_R
H/P_R
H/P_R
STBY_5V
C699
STBY_5V
.01
GND
GND
POW_ON/OFF
P.ON/OFF
TIMER_LED
TIMER_ON/OFF
ECO_LED
ECO_ON/OFF
3D_LED
3D_ON/OFF
ECO
ECO
H/P_DET
H/P DET
REMOCON
REMOCON
KEY3
KEY3
KEY2
KEY2
KEY1
KEY1
GND
GND
GND
GND
12V
CN002
QGF1220C2-25
OSD_B
OSD_G
OSD_R
CN013
QGA2501C1-10
OSD_YS
GND
SCP
12V
GND
Ik
B
G
R
PROTECT
SVM_Y
SVM_YS
MD001
X
GND
B
G
R
VPROT
V100
U100
Y100
R326
6.8k
R325
100 C351
10/25
Q301
*2
-0.1V
0V
R595
C595
2.2k X
C596
.1/16
Q592
*1
RESET
FBP
Q471
*1
R480 EHT
82k CORRECT
R477
12k
R479
150k
R478
12k
C474
.033/25 VS