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
Y701
SDA2
0
SCL2
SCL2
TU1_AFC
TU1_AFC
SMF- SMF-
AGC
1401A-U2 1402A-U2
AGC
VTV1 C458 .1/16 X
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
BBE_ON/OFF R317 220 100
D311 *12 *12
BBE_BOOST
BBE_BOOST
D314 *3 *3
CLOCK
CLOCK
DATA
DATA
STATUS
STATUS
NOTE
READY
READY
X : OPTION(NON MOUNT)
MSP_RESET
MSP_RESET BW : IM-BW
0 : NRSA63J-0R0X
AUDIO_MUTE
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
*5 : DTC124EKA-X
L/R_CENT
*6 : DTA124EKA-X
R
R
*7 : 2SC1740S/QR/-T
L
*8 : 2SA933AS/QR/-T
L
*9 MA3056/M/-X
L_SUB
L_SUB
*10 MA3036-X
A_SUB_GND
*11 MA3240/M/-X
A_SUB_GND
R_SUB *12 MA3051/M/-X
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
All manuals and user guides at all-guides.com
SYNC SEP PB
CN0NS
CN0R1
* X
CN0R3 CN0R2
* X
0
0
Y702
X
IC571
X PURITY
R571 R572
X
X
R579 R578
R573
X X
X R580
C571 R575
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
R561
R551
120k
R559 R558
10
150k 100k R560
R553 C553
10
68k 47/25
80%
C551
80%
.22/16
C554
C552 R554 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
C564
.1/16
A_GND
POWER & DEF PWB
No.51945
AV32H20EUS
AV32H20EUS
AV28H20EUS AV28H20EUS
AV28H20EUB AV28H20EUB
100Hz PWB
CH41171-006
CN003
QGB1505J1-50
Y305
0
K301
Y304
NQR0413-003X
0 D773
MA3056/M/-X
D774
MA3056/M/-X
D321 D320
*9
Q571 X
R581 SWITCH
X
R582
C574 X
X X
R583
80%
X 1/2W R584
C573
X
X
80%
Q572
R585
X
X
SWITCH
C501
Y303
0 15p
C502
15p
QAX0549-001Z
24.576MHz
NQR0431-001X
R511
1.5k
C320
2200/6.3
R565
CH
5.6k C563
R563 C561
X
10k
560p
R564
CH
Q562 22k R512
3.3k
*2
C562
Q561
1/50
*1 R562
68k
R322
0
NQL092K-1R5X
C458 R321
* 0
R323 R324
X X
C301
100/16
N/S_COR
R455 R454
*3
C402
12k 4.7k
100/16
D982
C453
.01
6.2V 2.9V 2.9V 0V
C457
GND
.033/25
9V
R458
12k
IC402
IC951
BA10324AF-XE VCC
BA09T EW/V DRIVE
8.9V
L951
11V 5.6
IN OUT
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
10V 11.4V 8V *
IN OUT
15k
C953 C955
.1/16
220/10
C951
470/16
CN005 CN006
QGB1506L1-16 QGB1506L1-16
2-5 2-6
MICOM PWB
CN00C
D771
MA3056/M/-X
D772
MA3056/M/-X
*9
R464
Y901
*
X D319 D475
R722
C702 *10 *11
1k
.056/16
C701
10/50
4.9V 3.6V 3.6V 3.9V 0V
0V 0V 0V
0.1V
R701
R704
10k
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 *
82P
220
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
R503 C318
X 2V 0.5V .01
CLKI B/V1
C317
0.5V .01
CH
X1 G/U1
C316
0.5V .01
CH
X2 R/Y1
X501
CLEXT VSS(A4)
C315
1V
.022
TEST VIN
C314
1V
.022
SUBST UIN
C313
R304 1k
3.1V DEF & RGB PROCESSOR 0.8V .022
RESN YIN
C306
R301 100
3.5V IC301 3.1V .1/16
SCL1 VDD(A4)
R302 100 SDA9380 3V
3.6V
SDA1 DCI
R303 C312
LC301 (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
0V 2.9V .068/16
VSYNC BSOIN
L301
1.5
R504
0.2V 3.1V 0V 1.1V 0V 1k
3.1V 0.3V 1.2V 2.9V 1.5V 1.5V 3.1V 0V 0.2V
L302
CH R593
1.5
X
NQL092K-1R5X
C591 R592
470p 3.3k
C303
R521
.1/16
D591
22k
*3
R591
D521
*3 560
HPROT
D592
MA3051/M/-X
R456
12k
E/W C452
X
R405
1k
R403
330
1.5V 1.5V 2V
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
R469 .01
VCC
IC471 68k
R467
BA10358F-XE 56k
EHT CORRECT
GND
R485
12k
CORRECT
R484
R489 R487
C475 R486 47k
VD+ 33k *
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
D593
R595
*3 C595
2.2k
X
C596
.1/16
Q591
*2
RESET
Q592
*1
R596 RESET
100k
FBP
R481
Q471
4.7k
*1
Q472
R480 EHT
*1
82k CORRECT
EHT
R477
12k
R479
150k R478
12k
C474
.033/25 VS