JVC TH-A75R Schematic Diagrams

TH-A75R
2-1
AB CD E F G
1
2
3
4
5
CN101
IC101
FRONT END
PROCESSOR
DVD servo board
LVA10298-C1
Main board
LVA10375-A1
IC301
SODC
IC201
DRIVER
IC401
DISPLAY
MICOM
DI401
FL DISPLAY
IC271
SYSTEM
MICOM
IC531
DSP
MICOM
IC511
CODEC
IC512
DAC
IC521
DSP
IC551
8CH
VOLUME
CN502
CN209
CN205
CN203
CN591
J2403 SCART TERMINAL
B G
R/C
C Y
J2401 S-VIDEO OUT
FROM/TO TUNER UNIT
CN207
CN401
IC402
REMOCON
J5531
STB/DBS &VCR L/R IN
Switch board
LVA10376-A1
DSP board LVA10377-A1
DVD traverse mechanism
CN202
IC251
SPINDLE
MOTOR
DRIVER
IC401
UNIT CPU
IC501
PANTERA-2
IC505
DRAM
IC509
FLASH
ROM
IC231
VIDEO
DRIVER
CN101
AC IN
DVD traverse mechanism
T101 T121
Trans.
REG.
F1,F2
D5V
-VDISP
CN174
Fan
motor
POWER
switch
CN201
IC451
EEPROM
IC524
F-ROM
J2401 COMPOSITE VIDEO OUT
J2891
AV COMPULINK2
DVD loader mechanism
IC201
RDS
B/E/EN/EV version only
COMPOSITE/Y
Overall block diagram
Block diagrams
CN171 CN173 CN172
LVB10378-A1
Power board
CN202 CN201
CN208
CN503
CN592
IC560 IC562 IC564 IC566
AMP.
IC540 IC544 IC546 IC548 IC557
AMP.
IC525 IC526 IC527
SRAM
J5521
STB/DBS DIGITAL IN
Amplifier board
CN701 LVA10379-A1
IC721
MAIN AMP.
IC701
WOOFER
AMP.
CN402
CN206
Power key board
LVA10378-A3
STANDBY
LED
C Y
J2201 S-VIDEO IN1/IN2
J2201 COMPOSITE VIDEO IN1/IN2
IC221
VIDEO
SW2
IC211
VIDEO
SW1
PROTECTOR
&
LOW VOLTAGE
DETECTOR
CN702
J701 J702
CN703
CN204
W401
LVA10378-A4
CN403
J401
HEADPHONE
Headphone board
CN203
LVA10375-A1
8
TU-R
6
TU-L
10
RDS
4
TU-DTO
3
TU-CKJ
2
TU-DTI
1
TU-CE
14
SPDIF
16
DISKSTP
17
SSPCLK1B
18
FLINT
19
SSPOUT1B
21
SSPIN1A
23
FLCS-
25
CPURST
CN205
IC201
RDS DECODER
X2071
OSC
TU-R
17
TU-L
18
S-MUTING
11
12 HP-R
13 HP-L
16 SCART-L
15 SCART-R
7
VOL_LATCH
8
VOL_CLK
6
VOL_DATA
5
DSP-CLK
4
DSP-STAT
3
S-PON
DSP-COM
2
DSP-RDY
1
DSP-RST
26
D5V
25
D5V
X2701
OSC
8MHz
IC271
SYSTEM MICOM
70,72-74
21-26
82,83
98,99
59 62-64
75
36
34,35
42-47
51
29
67,68
76
PAL/NTSC
AVVLR
SCART_LIN
SCART_RIN
TO
Video
input/outpu
t
CN208
FROM/TO
CN591 OF
LVA10377-A1
(DSP)
FROM/TO
CN503 OF
LVA10298-C1
(DVD servo)
FROM/TO
TUNER UNIT
8,9,1016
2
DVD-PON
17 DI-DATA
16
DI-CLOCK
15
KEY1
KEY2
13
REMOCON
8,9,18,20
61,91,92
CN207
FROM/TO
CN401 OF
LVA10376-A1
(FL display)
27
14
Q2861
STBY
LED
CTL
81
B/E/EN/EV
version
Q2701
BACKUP
B5V
Q2821
SAFETY1
DETECT
+12V
-12V
6
IEC958
29
Main board
Q2801
Q2802
S-MUTE
DRIVER
13
System control section
27
SWUPDN
28
SWOPEN
19 DI-RESET
18
DI-CS
10
HP
HP-R
9
HP-L
7
POWER
4
STANDBY
1
CN202
D5V
5
FROM/TO
CN173 OF
LVB10378-A1
(Power supply)
CN201
6
7
BEAT CUT
AMP-PON
8
9
2
17
12
FAN-ON/OFF
FAN-CTL
11
10
79
80
IC272
Q2702
RESET
33
FROM/TO
CN172 OF
LVB10378-A1
(Power supply)
9
BASS
IC251
HP AMP.
Q2703
87-89
90
SW1-SELECT1
SW1-SELECT2
SW1-SELECT
BLANK-CTL
3
4
DBS-S/C
VCR-S/C
54
55
VIDEO-MUTE2
VIDEO-MUTE1
49,56,57
VIDEO-LPF
VIDEO-YCMIX
VIDEO-RGB
4
1
CN206CN402
Power key board
LVA10378-A3
only

JVC TH-A75R Specifications

General

Brand	JVC
Model	TH-A75R
Category	Home Theater System
Language	English