Y/C /AUDIO/
HEAD AMP/
SECAM CHROMA
STR-F6654
LTV-817M-VB
IC514
Q502
Q512
STV2249C
3.579545MHz
X602
39
4.433619MHz
X601
40
Q608
BUFFER
BUFFER
Q602
TU_VIDEO
Y/C_VIDEO
Q805
Q804
Q806
RGB
SW
YUV
SW
BUS
BLACK
STRETCH
DEEMP
VOLUME
S-TRAP
TDA8174A
IC401
V.OUTPUT
4
42
VAMP
3
+
-
RAMP
10
1
2
THERMAL PROTECTION
UP
PUMP
R-AMP
G-AMP
Q405
CUT OFF
Q607
B-AMP
H.DRIVE
H.OUT
Q406
OPERATION
MICON/
OSD_Y
37
32
31
30
Q3001
Q3003
KIA7805API
IC1104
P.CON+5V_C
3
1
Q3002
P.CON-SW
3
1
OPERATION
MICON/
VCR_POWER_H
TV_POWER_H
VOL_CTL
POWER_FAIL(DC)
IN/OUT
IF/21PIN/
OPERATION
MICON/
3
1
2
4
1
15
17
4
1
1
10
2
7
3
Y/C_AUDIO
SDA
SCL
DEGAUSS_H
TV_POWER_H
VR502
135V SW
135V SW
Q507
F-BACK SW
FEED BACK
DEGAUSS COIL
L503
Q504
DRIVE
RELAY
RY501
3
IC501
D501,D502,D503,D504
RECTIFIER
AC IN
F501
T501
8
4
11
18
13
3
6
5
7
CP3001
KIA7809API
IC3001
KIA7805API
IC3003
KIA78R05PI
IC3002
Q3004
DRIVER
P.CON+8V[VCR]
P.CON+8V
P.CON+5V A
DRIVER
AT+5.6V
AT+30V
P.CON+9V
DRIVER
AT+9V
TU_AUDIO
JACK_VIDEO
TU601
Q607
CF601
IC601
CHROMA/IF
FB401
J801
P.CON+9V
DY
CRT
V801
OSD_R
OSD_G
OSD_B
HD
AN7523
IC352
SOUND AMP
5
9
1
6
2
4
7
2
1
HEAD PHONE
J351
SPEAKER
SP354
+
-
AT+12V
S
HV
F
7
8
6
11
F
10
48
49
CF605
5
4
1
11
4
5
1
PRE AMP
6
7
8
55
14
11
51
52
46
36
35
34
47
22
44
13
Mute
Mute
OFF
CUT
DRIVE
ITER
LIM-
FM
AM
RF AGC
AFC PLL
RGB
CONT
BCL
MATRIX
CONT
C-DL
PEAKING
LUMA DL
C-TRAP
VER SCAN
SEP
SYNC.
ACC
BPF
LOOP
HOR 2ND
LOOP
HOR 1ST
&KILLER
AUTO IDENT.
B/W INV.
FM DEM.
AGC
E-2
E-1
TV BLOCK DIAGRAM
Y/C/AUDIO/HEAD AMP BLOCK DIAGRAM
X4001
4.433619MHz
84
11
19
23
26
79
75
54
Y/C/AUDIO/CCD/H.AMP
IC4001
HA118217F
18
9
21
78
73
24
52
46
4
63
62
99
81
55
58
60
R
P
35
39
42
2MLPF
HPF
ACC
CTL TRAP
fh HPF
R
P
R
P
VCA
CCD
LPF
C.K
6dB AMP
6dB AMP
N-->P
CLEAR
SYNC
C SQUELCH
SQUELCH
B.D
BPF
FBC
VIDEO ALC
DELAY
CLPF
R
P
MAIN
CONV1
MAIN
CONV2
CLPF
+
R
P
RP
R
P
R
P
+
B.E
C.K
TRAP
LPF
+
REC
MUTE
SERIAL CONT
INTERFACE
REC
EQ
VCA
LINE
AMP
R
P
HPF
1M HPF
7M LPF
FM MOD
LAG LEAD
LPF
629
TRAP
FM AGC
P.EQ
S DL
SQPB
SQPB
G EQ
Y CCD
C CCD
LPF
28
30
31
ATT
ATT
ATT
VIDEO
AGC
R
P
D LIM
DEMO
SLPF
MAIN
DE-EMPH
CLAMP
D.E
N.C
Y APA
YNP
CLAMP
R
P
MIX
LEVELADJ
R
P
R
P
YLPF
FBC
ALC
NL EMPH
NL DE EMPH
MAIN EMPH
CARRIER
OFFSET
W.C/DC
F0/DEV ADJ
S-DET
Q4006
BUFFER
88
87
89
86
H.AMP
8
7
REC
MUTE
LINE
MUTE
ENV
DET
L4001
15.6KHz
TRAP
L4005
1
3
6
Q4004,Q4005
FE HEAD
4
ENV.DET
H.SW
MICON/
OPE.
SDA
SCL
VCR_A_MUTE
V.REC_ST_H
CTL+
CTL-
CYL.
CP4001
3
2
4
SP COM
SP-CH2 (L)
SP-CH1 (R)
CP4005
1
AUDIO PB
6
5
2
AE HEAD (+)
AUDIO REC
AE HEAD (-)
AC HEAD
4
3
CTL+
CTL-
PB SW
5
Q4002
OSC
Q4001
NORMAL A
REC ST SW
CP4004
1
2
FE HEAD (HOT)
FE HEAD (GND)
FRONT_V_IN
FRONT_A-L_IN
TU_AUDIO
TU_VIDEO
Q4003
V.REC
ST SW
2
PRE
AMP
E-3
E-4
REAR_V_IN
REAR_A-L_IN
Y/C_VIDEO
Y/C_AUDIO
IF/21PIN/
IN/OUT
SYNC
SEP
50
Q4008
AMP
VV_H
29
AGC
Q4015
PB SW
71
X4002
3.579545MHz
Y/C_VIDEO
Y/C_AUDIO
TV
Q4007
AMP
MICON/OPERATION BLOCK DIAGRAM
E-5
E-6
51
9
72
67
VCR_POWER_ON-H
CFG
CAP_FULL
LDM_CTL
SYSCON/TIMER/SERVO
IC1006 OEC0103B
104 DFG
71
82
CAP_FWD_L
CAP_LIMITET
53
70
69
REEL T
REEL S
TAB SW
SW1001
23
4
1
5
4
I LIMIT
CAP.M F/R
2 CAP VCO
CP1001
1
3
4
2
1
3
4
2
REEL SENS.
Q1005
REEL SENS.
Q1001
DECK
Q1021
BUFFER
VCR_POWER_H
TV
90
73
V.REC ST-H
VV-H
OSC2
80
75 X2
37
POWER FAIL
60
SDA
78 OSC1
76 X1
59
SCL
4
CTL(-)
3
CTL(+)
15
14
46
45
REC LED
T-REC LED
30
KEY-A
50
29
KEY-B
77
RESET
CH DOWN
CH UP
VOL. UP
VOL. DOWN
POWER
ON/OFF
REC/OTR
STOP/EJECT
PLAY
FF/CUE
REW/REV
X1001
10MHz
X1002
32.768KHz
3
OUT
SYSTEM RESET
IC1002
RE5VS31A
6
5
SDA
SCL
EEP ROM
IC1099
M24C08-BN6
POWER_FAIL (DC)
SCL
SDA
SCL
HD
CTL+
VV-H
CTL-
V. REC_ST_H
SDA
OSD_Y
VD
OSD_G
OSD_B
OSD_R
TV
Q1014
BUFFER
TV_POWER_H
89
VCR_MUTE
VCR_A_MUTE
105
VIDEO H.SW
H. SW
91
TUNER_MUTE
TU_AUDIO_MUTE_H
43
REMOCON
3
2
1
OS753
AT + 5V
D793
D791
D792
P.CON+5V_C
35
TUNER_AGC
24
V ENV
AGC_M
ENV_DET
B
VSYNC
HSYNC
G
R
YCO
Q1016
HD SW
Q1015
VD SW
TV
Y/C/AUDIO/
HEAD AMP/
SECAM
CHROMA
1 CAP FG
AT+12V
TV_POWER_ON-H
85
VOLUME PWM
VOL_CTL
62
AV2
AV_2
87
AV1
AV_1
63
DEC_TU_SW
DEC_TU_SW
IF/21PIN/
IN/OUT
40
EXT_IN_L
EXT_IN_L
11
10
CYL FG/PG
LDM CTL
9 CAP CTL
8 CYL/LAD VCO
12 CYL CTL
102 CYL_SPEED_UP
25
26
BOT
EOT
D1003
Q1006
BOT
Q1017
EOT
101
100
99
96
55
27
28
MS SENS CONT
MS SEN-B
MS SEN-A
1
4
3
2
14
3
2
Q1002
SENSOR SW
MS_SEN A
Q1009
MS_SEN B
Q1003
AT+5.6V
Q1107
P. CON SW
Q1106
P. CON 5V
DRIVER
AT+5.6V
P. CON+5V
[SENSOR]
21PIN/IN/OUT BLOCK DIAGRAM
Q4202
BUFFER
TU_AUDIO_MUTE_H
MICON/
OPERATION
E-7
E-8
Q4211
MUTE SW
REAR_V_IN
REAR_A-L_IN
Y/C/AUDIO/
HEAD AMP/
SECAM CHROMA
FRONT_AUDIO
FRONT_VIDEO
J701
AUDIO L
VIDEO
4
2
1
3
3
J4203
2
1
4
3
J4204
2
1
4
REAR_V_IN
REAR_A-L_IN
JACK_VIDEO
TV
Q505
Q503
Q
509
Q512
D520
D521
TH501
Q508
D501
W011
IC501_1
HS502
B505
F502
F501
B502
D514
W012
D512
CP502
D508
CP503
D515
FH503
FH504
FH501
FH502
C506
B504
IC514
VR502
Q504
D516
Q507
D529
D528
D414
D415
W042
W041
W043
W037
D413
W049
D407
T401
W036
CP401
W044
HS402
Q406
L481
W020
D403
D404
D411
Q408
Q407
W051
CP803A
W038
W842
W838
RY501
W040
W029
W031
Q401
W026
W024
W022
J8
01
Q802
CP803B
TP804
Q811
Q810
Q801
Q812
Q803
TP806
CP801
TP805
D803
D802
D801
S101
S102
W046
R509
R410
R409
R445
R428
R416
R411
R810
R813
R817
R819
R812
R814
R811
R815
R821
R429_1
R459
R532
R533
R523
R514
R521
R515
R506
R525
R522
R518
R519
R465
R464
R553
R419
R417
R408
R831
R432
R434
R435
R456
R538_1
R502
R554
R529
C804
C805
C806
C505
R401
R511
C528
C401
C509
C503
C502
C419
C518
C438
C519
C516
C523
C409
R402
R806
R804
R808
R528
C402
L402
R448
R437
R512
C428
R449
C408
C427
W032
C527
W818
W034
W033
W010
W810
W019
R501
R543
W002
ICP502
ICP503
ICP504
C524
R
5
2
4
R544
D510
D503
D519
D507
W005
R809
R807
R805
CP802_1
Q410
W013
W030
C507
SW501
C436
R460
D505
W803
D509
D517
VR401
C443
D535
R403
W045
C421
C504
C521
FB401_1
HS401
L501
C814
C418
C403
C537
C510
R510
R828
R829
R830
R490
R451
R446
R454
R457
W050
W027
W813
R503
L502
C420
C425
C424
C508
W001
Q405
R404
IC401
R420
D530
Q502
VR404
VR402
W017
C412
C404
D401
R413
C405
R424
R421_1
C410
W008
W016
W014
W021
W007
W805
CP402
VR403
C406
C407
C411
C413
C415
C417
C423_2
C426
C430
C432
C435
C450
C515
C514
C530
C531_1
C554
C808
D511
D518
D533
L801
L802
L804
Q402
R436
R450_2
R452_1
R504
C517_1
C520
R520
W018
R427
D408
W015
C437
R458
CP820_1
CP810
R508
W009
S501
C431
W035
W047
R431
Q409
HS403
W048
S502
R433
CP850
R461
R453
C529
W006
C813
C429_1
C512
C522_1
T501
D406
D506
C501
CD502
CD501_4
W858
W817
W841
W848
W821
W823
W811
W816
W850
W853
W849
W827
R415_1
W801
D531
W847
W854
PRINTED CIRCUIT BOARDS
MAIN/CRT/POWER SW
SOLDER SIDE
F-1
F-2