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AV-14F704
User Manual
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Service Manual
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Schematics
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Service Manual
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JVC AV-14F704 Schematics

SCHEMATIC DIAGRAMS
COLOR TELEVISION
AV-14F704
CD-ROM No. SML200305
AV-14F704
CH
CH
VOL
VOL
VOL
VOL
CH
CH
COPYRIGHT © 2003 VICTOR COMPANY OF JAPAN, LTD.
No. 52130
2003/05
AV-14F704

AV-14F704 STANDARD CIRCUIT DIAGRAM

CONTENTS
SEMICONDUCTOR BASE CONNECTIONS ......................................................................................................... 2-2
BLOCK DIAGRAM ............................................................................................................................................... 2-3
SCHEMATIC DIAGRAMS ..................................................................................................................................... 2-5
MAIN PCB MICON SCHEMATIC DIAGRAM MAIN PCB CHROMA SCHEMATIC DIAGRAM MAIN PCB DEFLECTION SCHEMATIC DIAGRAM MAIN PCB POWER SCHEMATIC DIAGRAM MAIN PCB SOUND SCHEMATIC DIAGRAM MAIN PCB TUNER/STEREO SCHEMATIC DIAGRAM MAIN PCB AV SCHEMATIC DIAGRAM MAIN PCB COMB/FILTER SCHEMATIC DIAGRAM CRT SOCKET PCB SCHEMATIC DIAGRAM
PATTERN DIAGRAMS ....................................................................................................................................... 2-23
MAIN PCB PATTERN CRT SOCKET PCB PsATTERN
WAVEFORMS ................................................................................................................................................... 2-28
No. 52130 2-1
AV-14F704
C
E
C
E
SEMICONDUCTOR BASE CONNECTIONS
DIODE
1N4937 11E1-EIC 21DQ09N-TA2B1 LTL-1CHGE-002A 1SS133T-77 30DF6-FC RM11C-EIC AU02A-EIC FE201-6L49 MTZJ12B T-77 MTZJ15B T-77 MTZJ18B T-77 MTZJ3.9B T-77 MTZJ30B T-77 MTZJ33B T-77 MTZJ5.1B T-77 MTZJ5.6B T-77 MTZJ6.2B T-77 MTZJ8.2B T-77
CATHODE
ANODE
IC
1
M61283FP AN5829S S-24C16AFJA-TB-01 MM1501XNRE LTV-817M-VB
1
1
AN5276 AN5522
1
AN5891SA-E1V LA76600M-TLM OEC7093A
1
7
1
1
TRANSISTOR
E
E
B 2SA1371(D,E)-AE KTC3198-AT(Y,GR) 2SK3326(2) KRC111SRTK 2SD2499(LB0EC1) 2SA1624-AA KTC3199_Y-AT KTA1504S_Y_RTK 2SC2909(S,T)-AA KTC3203_Y-AT KTC3875S_Y_RTK KTA1271_Y-AT KTC3209_Y-AT
B
KTC3227_Y-AT
B
C
E
C
B
B
C
E
C
B
KTC4217(O,Y)
2-2
No. 52130
3
4
2
6
7
5
1
HEADPHONE_JACK
J1001
SPEAKER SP1001
CHROMA IC IC601 M61283FP
VIDEO LINE OUT
60
Y IN(Y/C)
51
42
49
53
38
48
CVBS1
C IN(Y/C)
CVBS2
CVBS3
CVBS4
Y IN(YUV)
44
U IN(YUV)
X101
8MHz
D109
1
OS101
23
R IN
VOL UP
46
VOL DOWN
CH DOWN
MICON IC IC101 OEC7093A
B IN
21
35
GREEN G
36
BLUE B
J801
9
3
7
F
8
DY
G IN
22
34
RED R
40
V IN(YUV)
POWER
8
63V OUT
H OUT
FAST BLK
24
V-OUT IC IC401 AN5522
CRT V801
15
16
14
B OUT
G OUT
R OUT
33
BLANK
Q802, Q806
BLUE OUT
Q801, Q804
RED/GREEN
OUT
Q803, Q805
GREEN/RED
OUT
FB401
Q405
Q402
H.OUT
H.DRIVER
5
1
18
16
3
COMB IC IC1501 LA76600M-TLM
C OUT
Y OUT
Y IN
4
2
VIDEO SW(Y) IC IC1502 MM1501XNRE
Vin1
Vin2
V.OUT
2
VIDEO SW(C) IC IC1503 MM1501XNRE
6
4
6
Vin1
Vin2
V.OUT
3
S-JACK
J702
4
LINE1(REAR)
J701
6
LINE2(REAR)
J703
6
FRONT -VIDEO
J705
2
2
YUV_IN(REAR)
J704
3
5
2
SOUND DECORDER IC IC902 AN5829S
24
14
23
3
6
4
2
AUDIO SW(L) IC IC702 MM1501XNRE
Vin1
Vin2 V.OUT
FRONT-AUDIO.L
J706
FRONT-AUDIO.R
J707
2
3
2
3
2
6
4
2
AUDIO SW(R) IC IC701 MM1501XNRE
Vin1
Vin2
V.OUT
2
3
30
19
TONE CONTROL IC
IC302
AN5891SA-E1V
16 2
5
7
SOUND AMP
IC1001
AN5276
12
SPEAKER SP1002
21
22
Q901
BUFFER
Q902
BUFFER
TU001
17
13
11
10
27
SCL
26
SDA
6
5
MEMORY IC IC199 S-24C16AFJA-TB-01
SCL
SDA
30
SCL1
31
SDA1
10
ON_TIMER
6
KEY1
7
KEY2
9
REMOCON
19
X.IN
20
X.OUT
CH UP
X602
3.579545MHz
34
XTAL 3.58
18
19
A/V OUT
J708
4
2
6
Q603, Q614, Q605
AMP
1
F
S
HV
AV-14F704AV-14F704

BLOCK DIAGRAM

2-3 2-4
No. 52130No. 52130
ABC
ABC
DEF GH
DEF GH
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
R137_1
10K
R110
10K
R119
22K 1/4W
R138
1M
R114
47K
R112
2.2K R113
2.2K
R109
1K
R118
2.2K 1/4W
R133
1K 1/4W
R146
100 1/4W
R136 4.7K
R135 4.7K
R124
1K 1/4W
R145
2.2K
R143
820
R142
820
R141
820
R127
3.9K R128
3.9K R129
3.9K
R101
560
R103
2.7K
R106
560
R120
47 1/4W
R102
270 1/4W
R122
1K
R150
1K
R140
100 1/4W
R139
100 1/4W
R134 10K
R130
47K 1/4W
R126
100
R125
10
R131
1K
R132
100 1/4W
C126
100P B
C121
0.01 B
C109
0.1 B
C135
10P CH
C129
100P B
C124
100P B
C136
0.1 B
C137
0.1 B
C138
0.1 B
C131
150P CH
C128
0.1 F
C106
0.1 B
C140
220P CH C141
220P CH
C142
220P CH
C143
220P CH
C146
100P CH
C102 27P CH
C104 27P CH
C145
220P CH
C120
0.001 B
C111
0.001 B
C113
0.1 B
C117
47P CH
C119
220P CH
W811
W822
D106
MTZJ5.1B
D113
MTZJ5.6B
C108
10
16V
KA
C110
22006.3V YK
C114
0.4750V KA
C139
1016V KA
C122
150V KA
D105
1SS133
D104
1SS133
Q101
KTC3875S_Y_RTK
LED SW
Q103
KTC3875S_Y_RTK
CLAMP SW
IC199_1
S-24C16AFJA-TB-01
MEMORY IC
1234
5678
X101_1
100CTR8005
8MHz
SW101
EVQ21505R
CH UP
SW103
EVQ21505R
VOL UP
SW102
EVQ21505R
CH DOWN
SW104
EVQ21505R
VOL DOWN
SW105
EVQ21505R
POWER
D109
LTL-1CHGE-002A
POWER ON
CP101 173979-7
1 2 3 4 5 6 7
TM101
RM-C1256G
BT001
R6P(AR)XICI
BT002
R6P(AR)XICI
IC101 OEC7093A
MICON IC
110111213141516171819 22021
22 23 24 25 26 27 28 29
3
30 31
32 33 34 35 36 37 38 39
4
40 41 42
56789
Vout
B+
GND
OS101
RPM7138-H5
1
2
3
AT+5V PROTECT
CLAMP_OFF SYNC_OUT HD
TV_MUTE VD
OSD_B OSD_G OSD_R
OSD_BLK
AFT
SW_Y_OUT RESET POWER SDA SCL
EXT_MUTE
S_IN
AUDIO_SW J_AUDIO_OUT_R
J_AUDIO_OUT_L SDA SCL
SDA
H_CTL SCL X-RAY
X-RAY
P.FAIL
DEGAUSS_H
GND
POWER
Y/C_SW
ACCESSORY
0
PCB010 TMC559
0
5.0
TEST POINT
NC
NC
NC
BBE SW
AFT
KEY 1
KEY 2
REMOCON
X RAY
SYNC
CNVSS
X.IN
X.OUT
VSS
POWER
SCL1
SDA1
BLANK
RED R
GREEN G
BLUE B
V SYNC
H SYNC
12C_OFF
H_CTL
FSC IN
CLOCK CONT
AUDIO MUTE
ON_TIMER
DEGAUSS H
PROTECT
5.0
4.0
0
0
5.0
5.0
2.2
5.0
0
0
3.5
5.0
3.2
2.3
1.7
0
5.0
1.0
2.0
2.0
2.4
5.0
5.0
5.0
5.0
0
0
0
0
4.8
4.0
2.1
5.0
0
(MAIN PCB)
MICON SCHEMATIC DIAGRAM
MCU_CLOCK
CLOCK_CNT
VOLUME
S_IN
X-RAY TEST
I2C_SCL I2C_SDA I2C_OFF
AUDIO R
AUDIO L
GND
GND
4
3
5.0 0
4.9
2.7 0
0
FROM/TO CHROMA
Y/C_SW
AUDIO_SW
EXT MUTE
P FAIL
RESET
CVIN
VHOLD
HLF
FILT
VCC
SDA
SCL
MODE
VCC
VSS
E2
E1
E0
5.005.05.0
0000
NC
NC
0
0
3.2
0
5.0
0
FROM/TO AV
FROM/TO POWER
FROM/TO DEFLECTION
FROM/TO SOUND
FROM/TO TUNER/STEREO
TO SOUND
FROM TUNER/STEREO
TO COMB FILTER
1
2
1.8
0

SCHEMATIC DIAGRAMS

[MAIN PCB MICON SCHEMATIC DIAGRAM]
AV-14F704AV-14F704
2-5 2-6
No. 52130No. 52130
AB C
AB C
DEF GH
DEF GH
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
IC601
M61283FP
CHROMA IC
11 0
11 12 13 14 15 16
17 18 19
2
20 21 22 23 24 25 26 27 28 29
3
30 31 32
333435363738394404142434445464748
49
5
50515253545556575859
6
6061626364
789
:SINCE THESE PARTS MARKED BY
CAUTION
DESCRIBED IN PARTS LIST ONLY
CRITICAL FOR SAFETY,USE ONES
ARE
DANS LA NOMENCLATURE DES PIECES
N'UTILISER QUE CELLS DECRITES
DANGEREUSES AN POINT DE VUE SECURITE
:LES PIECES REPAREES PAR UN ETANT
ATTENTION
Q614
KTA1504S_Y_RTK
6dBAMP
C615
150V KA
C610
4716V YK
C608
4716V YK
C629
100016V YK
C638
1016V KANP
R602
12 3W
R649
5.6 3W
CD802 0
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
R611
10K
R604
1K
R605
330
R622
6.8K
R625
8.2K
R648
10 1/2W
R606
330
R608
3.9K
R613
390
R632
33K
R618
8.2K
R617 100
R616
120 1/2W
R603
270 1/2W
R629
5.6K
R627
100
R628
100
R634
1K
R601
15 1/2W
R612
10K
R609
100
R607
10K
R641
10K
R654
56K
R651
3.3K
R653
3.3K
R652
3.3K
R635
120K
R636
1.5K
R620
100
R623
100 1/4W
R626
100 1/4W
R610
100
R657
75
C616
0.01 B
C614
0.1 B C624
0.1 B
C632
18P CH
C635
22P CH
C631
0.015 B
C641
0.1 B
C612
0.01 B
C609
0.1 TF
C607
0.01 B
C646
100P CH
C647
100P CH
C639
100P CH
C644 33P CH
C643 33P CH
C637 33P CH
C640
0.01 F
C619 0.1 B
C606
0.33 TF
C628_1
0.1 F
W805
W815
D604
MTZJ12B
D603
MTZJ15B
D602
MTZJ8.2B
C621 150V KA
C627 150V KA
C618 150V KA
C630
0.4750V KA
C605
4716V YK
C622
4716V YK
C611
150V KA
C642
150V KA
C603
4716V YK
C645
10016V YK
C602
4716V YK
D601
1SS133
D608
11E1-EIC
D605
1SS133
D606
1SS133
D607
1SS133
Q603
KTC3875S_Y_RTK
6dB AMP
Q607
KTC3203_Y
AT+5V REG
Q606
KTC3209_Y
P.CON+5V REG
Q605
KTC3875S_Y_RTK
6dB AMP
Q611
KTC3209_Y
P.CON 8V REG
Q602
KTC3209_Y
P.CON 5V REG
Q604 KTC3209_Y
P.CON 5V
REG
Q601
KTC3209_Y
P.CON 8V REG
X602
100CT3R505
3.579545MHz
CP802A
B2013H02-7P
1 2 3 4 5 6 7
VIDEO_IN2 V_IN[YUV] VIDEO_IN1 U_IN[YUV] Y_IN[YUV] VIDEO_IN3 VIDEO_OUT
C_V_OUT_SW
P.CON+5V
PROTECT
Y_V_OUT_SW
VIDEO_OUT
SW_Y_OUT
P.CON+8V[A]
FSC_OUT AT+5V
RESET
POWER
SCL
SDA
TUNER_VIDEO
TUNER+5V
P.CON+8V[B]
OSD_BLK
P.CON+5V
OSD_R
OSD_G
OSD_B
P.CON+8V[B] VD
HD
SYNC_OUT
CLAMP_OFF
UNREG+12V
GND
P.CON+5V
GND
V_OUT
H.OUT
H_SYNC
ABCL
NC
NC
PCB010 TMC559
7.2
4.9 NC
INV.FBP OUT
V PULSE OUT
B IN
G IN
R IN
FAST BLK
CLK CONT
SDA
SCL
P_CON CONT
4.9
4.9
4.6
2.9
2.9
2.9
4.2
3.5
3.5
5.0
NC
NC
NC
7.2
7.2
NC
P.CON+8V
4.98.8
5.5
HVCO F/BDEF GND1
DEF GND2
FBP IN
H OUT
R OUT
VREG VCC
CVBS4
5.7V VREG OUT
fsc OUT
FAST YUV
DELAYDE Y OUT
EW OUT
VRAMP AGC CAP
V OUT
VRAMP CAP
8.7 VREG OUT
ACL
MONITOR OUT
MCU CLOCK OUT
MCU RESET
Y SW OUT
15 G OUT 16 B OUT2 AFC FILTER
1 HVCO F/B
48 Y IN(YUV)
C IN(Y/C)
Y IN(Y/C)
LOGIC GND
34 XTAL 3.58
33 V/C GND
CVBS1
U IN(YUV)
CVBS2
V/C VCC
CVBS3
MCU 5.7 VREG OUT
C_APC
NC
NC
V IN(YUV)
VIDEO LINE OUT
NC
NC(GND)
NC(GND)
NC(GND)
NC(GND)
NC(GND)
47 NC(GND)
NC(Vcc)
DEF VCCNCNC(Vcc)
HI VCC
5.0
5.5
8.5
7.911.3
5.0
5.0
FROM/TO TUNER/STEREO
NC
7.9
11.3
8.5
2.2
7.8
7.3
7.3
1.7
2.3
2.2
0
3.0
8.7
1.9
5.7
3.2
0 0
2.8
3.0
3.0
8.7
4.0
4.0
4.0
3.2 4.0 0 0 0 5.5 0 3.8 8.0 8.0 0 8.0 8.0 4.0 4.0 4.0
2.1
3.5
5.0
0
3.6
03.202.85.61.901.25.01.901.203.002.7
FROM/TO MICON
FROM/TO AV
FROM/TO COMB FILTER
FROM/TO DEFLECTION
TO SOUND
FROM POWER
GND R.OUT G.OUT B.OUT
CLAMP_OFF
TO CRT/SVM
NC
CHROMA SCHEMATIC DIAGRAM
(MAIN PCB)
5.5
3.8
7.9
3.8
5.5
[MAIN PCB CHROMA SCHEMATIC DIAGRAM]
AV-14F704AV-14F704
2-7 2-8
No. 52130No. 52130
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