Jvc TH-A9 Schematic

Block diagrams

Overall block diagram
J1103
68 7
453
IC153
6ch
IC403
DSP
2 1
Volume
SYSTEM
CONNECTOR
IC406
DSP
Micom
J1101
L
IC151
IC401
AUX
IN
R
Input
Select
CODEC
TH-A9
System control/Video IO board
J602
C
Q631
IC401
Unit CPU
S-VIDEOOUT
Y
Q621
J601
CONPOSITE VIDEO OUT
Q641
CN601
CN503
IC554
Video
Encoder
IC501AVDecoder
J802
AV COMPULINK2
CN502
M9V
D3V
D5V
CN501
Audio IO/DSP board
TUNER UNIT
CN801
CN803
CN402
CN805CN804
IC801
CN807
CN802
Micom
System
CN401
CN806
CN812
CN811
CN810
CN106
W812
W811
W810
LED
Disc
SW
Door
SW
Door
Door
Motor
DVD servo board
LVB10244-A1
IC101
Front End
Processor
CN101
FXL-V6T
IC301
Optical
IC201
ADSC
Disc
Controller
IC271
Power supply board
P901
T901
Trans
AC IN
CN961
CN971
FL indicator board
CN701
CN702
IC701
Display
Micom
FL Display
IC711
Receiver
Remocon
2-1
TH-A9
Overall block diagram
TO
CN601 OF
LVA10199-A1
136
CN503
Y OUT
CV OUT
C OUT
IC554
MC44724AVFU
VIDEO ENCODER
(SYSTEM)
31,32
34-36
39-46
49, 50
29
STREAM DATAS
FROM/TO
CN801 OF
LVA10199-A1
(SYSTEM)
5
7139
11
1
CN502
IC503
TC74VHC00FT
HSYNC
VSYNC
OSC
27MHz
IC502
VD 0-7
3
NAX0393-001X
158
142,143,145
148,150,152
154,155,157
177
178
15
13
159 5 8
IC501
ZIVA3-PE0
AV DECODER
206
8-11
2-4,6
IC505
16M SDRAM
KM416S1120DT-G8
(HY57V161610DTC8)
IC504
WAITDEC
CPU DATAS
16M SDRAM
KM416S1120DT-G8
(HY57V161610DTC8)
OSC
1MHZ
FEP
(Front End Processor)
53,54
57,60
LVB10244-A1
ODC
X301
100
NAX0375-001X
IC101
AN8702FH
LD
59, 60
OR GATE
AND GATE
IC311,IC312
IC301
27
85
MN103S13BDA
(Optical Disc Controller)
FM +/-
CN101
WAIT
TC7SH08FU
TC7SH32FU
IC201
ADSC
MN67706ZY
51, 52
3, 17
9, 10
IC271
DRIVER
T+/-
34, 35
IC321,IC322
TC7WH74FU
TC74VHC00FT
84
26
M56788FP-W
31, 32
F+/-
LSI RST
11
50
UNIT CPU
9
CRYSTAL
WAIT
CPU DATAS
1
IC401
MN102L25GHW
7
23
X401
13.5MHz
CSDEC
CPU DATAS
IC402
16M ROM
MSM531622F91G
CN501
D3.3V
D5V
763
M9V
2-2
CN10 OF
FROM / TO
LVA10132-01A1
(FXL-V6T)
DVD 5V
DVD 3.3V
CN803 OF
FROM / TO
LVA10199-A1
DVD 9V
(SYSTEM)
Block diagram (power supply section)
FROM/TO
CN701 OF
LVA10200-A2
(FL)
FROM/TO
CN807 OF
LVA10199-A1
(SYSTEM)
FROM/TO
CN808 OF
LVA10199-A1
(SYSTEM)
TH-A9
F1 1
CN971
LVA10200-A1
Q951
FL SW
CN972
FAN MOTOR
1
P. O N
Q956
+12V 3
CN951
F2
-VDISP6B5V5B5V
2
3
D5V3DVDD5V2DOORM9V7DVDM9V 1
CN961
31
IC953
Q953
-VDISP
B5V REG.
NJM75M05FA
Q954
B5V7DVD P.ON2-12V1INH
8
6
Q955
Q959
Q977
2
4
D957
IC951
D5V REG.
PQ05RD21
D956
Q958
Q960
Q961
1
71
8
T901
TRANSFORMER
L901
F901
AC IN
9
13
QQS0097-001
3
5
4
1
REG.
IC901
SWITCH
STR-G6651
12
16
14
2-3
TH-A9
Block diagram (audio input/output section)
FROM/TO SYSTEM
LOUT1
ROUT1
LOUT2
ROUT2
LOUT3
ROUT3
MUTE
VOL_STB
VOL_DT
VOL_CK
AMP
IC521,531
BA125218F-XE
AMP
IC561,571
BA125218F-XE
AMP
IC581,591
BA125218F-XE
MUTE CTL
Q2501 Q2502
MUTE CTL
Q2521
MUTE CTL
Q2561
MUTE CTL
Q2581
6CH VOLUME
M62446FP-X
15
13
9
8
11
16
39 40 41
INPUT SELECT
IC151
BU4066BCF-X
IC153
31
32
34
35
33
36
MUTE CTL
Q1131
MUTE CTL
Q1133
MUTE CTL
Q1135 Q1137
AMP
IC158
AMP
IC159
AMP
IC160
LVA10201-A1
J1103
SYSTEM CONNECTOR
7
68
453
2 1
CN401
5
4
8
6
10
11
FROM/TO CN806 OF LVA10199-A1 (SYSTEM)
SW.P.ON
S MUTE
L
R
TUNERR
TUNERL
LIN+
LIN–
RIN+
RIN–
AMP
IC501
IC510,511
BA125216F-XE
8,10
11
9
2,4
5,6
12,13
1
3
AUX/TUNER
INPUT SELECT
SW Q1251 Q1252
2
1
AUX
TUNER
RLJ1101
AUX IN
2-4
Block diagram (DSP section)
LVA10201-A1
TH-A9
DSPCLK
DSPSTATUS
DSPCOMMAND
DSPREADY
FROM/TO CN804 OF LVA10199-A1 (SYSTEM)
VOL_STB
VOL_DT VOL_CK
IEC958
D5V D5V
CN402
5 6 7 8
11
15 14
3 2 1
34
DSP
IC403
TC9446F-014
RAM
IC404
W24L011AJ-15X
D3V
13
IC407
PQ3DZ53X
99
1,3-7
83,85-89
84
16-18,22 25,26
VDD
OSC X401
24.576MHZ
45-50,53
UPD784215AGC103
18-20,22
4-9
Q403
40,42,43
DSP MICOM
71
17
CODEC
AK4572VQ
IC406
IC401
CN403
TX
2
RX
3
TEST
5
41
37,38,94
11
17
21
84
88
27 28 25 26 23 24
30 29 32 31
OSC
X402
6.14MHZ
Q401
Q402
MUTE
LOUT1 ROUT1 LOUT2 ROUT2 LOUT3 ROUT3
LIN+ LIN­RIN+ RIN-
VOL_STB VOL_DT VOL_CK
FROM/TO AUDIO
Block diagram (video input/output section)
FROM/TO SYSTEM
AVVLR
FROM/TO CN503 OF LVB10244-A1 (DVD SERVO)
C
CV
CN601
Y
6
3
1
Q631
Q621
Q641
LVA10199-A1
3
4
J802 AV COMPULINK2
C
J602 S-VIDEO OUT
Y
J601 COMPOSITE VIDEO OUT
2-5
TH-A9
Block diagram (system control section)
LVA10199-A1
FROM/TO TUNER UNIT
FROM/TO CN502 OF LVB10244-A1 (DVD SERVO)
FROM/TO CN702 OF LVA10200-A2 (FL)
DOOR MOTOR
TUR
STR TUND TUMU
TUCK TUDT TUCE
IEC958
CS3 /NTSC
RSTE
SCK
RXD U2SDT S2UDT SCLK0
REQ
BUSY
CPURST
INITIAL
DATA OU T
DATA I N CLOCK
BUSY
RESET
AVVCR
TUL
CN805
12 10
15 14 13
3 2 1
CN801
1 5 7
9 11 13 16 17 18 19 20 21
CN802
8
7
6
5
4
2
1
CN106
2
1
MOTOR DRIVER
7
IC108
3
TA8409S
21-26
34,35,38
42,44
SYSTEM MICOM
MN101C49GHT
30,45-49
39,40 4-6 80 59 62,64
1,9
96
IC801
Q802 Q805
CN806
TUNER R
10
TUNER L
11
SWMUTE
4
FROM/TO CN401 OF
TO VIDEO
LVA10201-A1 (AUDIO)
FROM/TO CN402 OF LVA10201-A1 (DSP)
FROM/TO CN961 OF LVA10200-A1 (POWER SUPPLY)
FROM/TO CN951 OF LVA10200-A1 (POWER SUPPLY)
Q804 Q807
OSC
RESET
IC-PST9140-T
1
EEPROM
2 3
BR93LC46-W
4
X801 8MHz
IC803
IC804
BACKUP DETECT
Q818
89
1369-74
85
90
33 1
54 53 52 51
18-20 92-94,98,99
5
2 1
CN804
1 2 3 5 6 7 8
9 11 14 15
CN807
1
CN808
1
2
8
SW P.ON
AUX TUNER
VOL_CK VOL_DT VOL_STB DSPCLK DSPSTATUS DSPCOMMAND DSPREADY DSPRESET IEC958 D5V D5V
D5V
AVVLR
P. O N DVD P.ON
INM
LVA10199-A3
DOOR SW
S8021
LVA10199-A4
DOOR SW
S8022
W810
3
1
2
CN810
CN811W811
Block diagram (FL section)
LVA10200-A2
CN702
INITIAL
FROM/TO CN802 OF LVA10199-A1 (SYSTEM)
FROM/TO CN971 OF LVA10200-A1 (POWER SUPPLY)
DATA OU T
DATA IN
CLOCK
BUSY
RESET 2
AV VCR 1
B5V
-VDISP 3 F2 F1
8 7 6 5 4
CN701
6B5V B5V 5
2 1
1 2
LVA10199-A5
W812
1 2
DISC LED D721-723
1
3
2
OSC X701
6MHz
25-2760-63
13
Q703
44-48,68
1, 2
61. 62
DISPLAY MICOM
53 50
MN17322DG
23
FL DISPLAY
IC701
DI701
G1-G13 P1-P36
KEY0
K01
KEY0-3
K01-03
KEY1
4958REMOCON
Q712
Q711
POWER SWITCH
S712
OPERATION
SWITCH
S701-710
EJECT
SWITCH
S711
STANDBY
INDICATOR
D733
REMOTE CTL
1
RECEIVER
IC711
GP1U271X
CN812
2-6
TH-A9

Standerd schematic diagrams

System control circuit
7
CN806 CN804 QGF1016C1-17 QGF1016C1-15
Q1181 KTC3203/OY/-T
R1181
10
R1182
2.2K
D1184
MTZJ7.5C-T2
D1185
MTZJ7.5C-T2
R1183
R1184
2.2K
10
6
QGB2027M4-22S
CN801
0.01
C801
R847
R848
QGB2027M3-10S
CN803
CN807
QGB2011MP-08
R849
R850
R851
R853
R854
R855
R856
R857
R811
C802
5
4
VECS
1K
VENT
1K
VERST
1K
VECK
220
VEDO
220
U2SDT
1K
S2UDT
1K
SCLK0
1K
REQ
1K
BUSY
1K
CPU_RST
100
0.01
3
C837
0.01
QGB2011MP-08
CN808
2
QGB1216J1-08S
CN802
R861
R862
R863
R864
R865
R866
EP806
QNZ0136-001Z
1K
1K
1K
1K
1K
1K
DICS
DIDI
DIDO
DICK
DIBUSY
DIRST
IC805 NJM78M05FA
100/16
C815
1
Q1182 KTA1271/OY/-T
C1184 47/25
C1185 47/25
C1186 100/10
C1187 100/10
X10K
10K
10K
R831
R832
QAX0246-001Z
R807R806
100k
10K
R835
R833
C814 100/10 C811
0.01
D807
1SS133-T2
C806
Q815
R888
R889
100K
D808 D809
1SS133-T2 1SS133-T2
R834
DOOR1
DOOR2
DOOR3
LOCK
X801
DSP_COM
DSP_STAT
DSP_CLK
S2UDT
U2SDT
SCLK0
BUSY
CPU_RST
100/10
C816
TU_R
TU_L
47000/5.5
Q816
R813
330
AUDIO_L
MTZJ4.7B-T2
R891
C807
SW_P.ON2
AUDIO_R
220/6.3
R892
VOL_CK
VOL_DT
VOL_STB
DSP_CLK
DSP_STAT
IC801
MN101C49GHT
VERST
DSP_RDY
DSP_RST
C831
0.01
EP801 QNZ0136-001Z
SW_MUTE
VENT
MT0
MT1
DSP_COM
SW_P.ON
VEDO
MTS
VECK
VS3
VS1
DIDO
DIDI
DICK
DICS
DIRST
R817 22K
Q801 KRC107M-T
C823
0.001
C824
DOOR3
W811 QGA2001C1-02
S8022 QSW0851-001
SMUTE
SW_MUTE2
DSP_RST
DSP_RDY
SMUTE
VOL_CK
VOL_DT
VOL_STB
0.047
C812
RDS_ST
DIBUSY
R896 10K
Q818 KRC111M-T
R893
R894
VECS
100K
R816
REQ
D812
1K
R895
R890
0.01
SELU1E56BM
D721
C721
TU_CE
TU_CK
TU_DT
TU_MUT
TUNED
STEREO
RDS_CK
RDS_DT
IC804 BR93LC46-W
R818
4.7K
C822
2.2/50
D811 1SS133-T2
X
D723
W812
QGA2001C1-03
CN812
QGA2001C1-03
Q712
KRC102M-T
R819
IC803 IC-PST9140-T
C821
0.01/16
0.01
C722
SELU1E56BM
D722
220
R741
470K
C813 100/10
X
L1302
R1304
X
L1301
6.8K
6.8K
Q805
KTA1267/YG/-T
22K
R823
R822 R824 22K
SMUTE
Q802 KRC102M-T
C1353 100/16
150
R1807
1K
1SS133-T2
D1353
R1303
1K
TUNED
STEREO
10/16
C199
SMUTE2
0.22/50
C826
SW_MUTE SW_P.ON
Q814
KTA1271/OY/-T
R873
3.3K
Q813 KRC104M-T
IC108
X
R1808
1.5
C1805
MT1
LOCK
K1801
TU_MUT
IC191
SAA6588
0.1
C194
D818
R825
100/16
C1802
C193
560P
470K
C191
R192
82P
QAX0263-001Z
Q806
R874
3.3K
TA8409S
X
6.2
R1805
R1804
M108 QAR0100-001
C196
R191
X191
Q803
10/16
C1801
CN106 QGA2501C1-02
R1305
R1306
C1803
1.5
2.2/50
1K
XX
C1302C1301
220
R742
DOOR2
S8021 QSW0851-001
TU_R
DOOR1
CN810CN811 QGA2001C1-03QGA2001F1-02
W810 QGA2001C1-03
R1301
R1302
TU_L
CN805 QGF1205C1-15
Q1351 KTC3203/OY/-T
R1351
4.7
D1351 1SS133-T2
1K
100/10
C838
C832
0.01
EP802 QNZ0136-001Z
MTS
C1352
SW_P.ON2
D820
C828 100/10
10/50
R821
4.7
1SS133-T2
R1352
D1352
MTZJ6.8A-T2
R876
3.3K
Q817
KTA1271/OY/-T
R875
3.3K
C829 100/16
NTSC/PAL
AVVLR
AUDIO_L
AUDIO_R
VS1
VS3
V5V
V12V
AGND
C1351
10K
10K
C195
330P
0.047
C192
C197
47P
C827
MT0
RDS_ST
R1802 15K
R1803 47K
TU_DT
TU_CK
RDS_DT
RDS_CK
R872
3.3K
1SS133-T2
KRC102M-T
R1806 18K
C835
C836
TU_CE
R193
R194
Q804 KRC102M-T
KTA1271/OY/-T
R871
3.3K
D871
Q811
100P
100P
EP805 QNZ0136-001Z
10K
10K
Q807 KRA102M-T
Q812
Q1801 KRC103M-T
Digital (audio) signal
Audio signal
BCDEFGH I JA
2-7
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