Page 1
TV-20F243
SCHEMATIC DIAGRAMS
TV/VCR COMBO
TV-20F243
CATV
TV
EZ JECT
SP/ EP RE-VIEW
TIMER
CANCEL
ZERO RETURN
AUDIO SELECT
MENU
+
SET
SKIP SEARCH
ó
SET
ENTER
ó INDEX SEARCH +
MUTING
VOL VOL
TRACKING AUTO
CD-ROM No. SML200203
POWER
PROGRAM
RESET
COUNTER
3
1
2
6
4
5
9
7
8
RETURN
0
C.C.
INPUT
CH
CH
SLEEPCALL
PLAY
FFREW
STOPREC PAUSE
RM-C393G
TV
ON TIMER
REC
REC TIMER
STOP/EJECT
POWER
REW
REC/ ITR
FF
PLAY
COPYRIGHT © 2002 VICTOR COMPANY OF JAPAN, LTD.
No. 51987
Feb. 2002
Page 2
AV-20F243
TV-20F243 STANDARD CIRCUIT DIAGRAM
CONTENTS
SEMICONDUCTOR BASE CONNECTIONS ..................................................................... 2-2
BLOCK DIAGRAMS .......................................................................................................... 2-3
TV BLOCK DIAGRAM
Y/C/AUDIO/CCD/HEAD AMP/BLOCK DIAGRAM
MICON/OPERATION/IN/OUT BLOCK DIAGRAM
HI-FI BLOCK DIAGRAM
WIRING CONNECTION DIAGRAM...................................................................................2-11
SCHEMATIC DIAGRAMS ..................................................................................................2-13
SYSCON PCB CHROMA/IF SCHEMATIC DIAGRAM
SYSCON PCB Y/C/AUDIO/CCD/HEAD AMP SCHEMATIC DIAGRAM
SYSCON PCB MICON SCHEMATIC DIAGRAM
SYSCON PCB IN/OUT SCHEMATIC DIAGRAM
SYSCON PCB SOUND AMP SCHEMATIC DIAGRAM
SYSCON PCB HI-FI SCHEMATIC DIAGRAM
SYSCON PCB POWER SCHEMATIC DIAGRAM
SYSCON PCB IF SCHEMATIC DIAGRAM
MAIN PCB TV POWER SCHEMATIC DIAGRAM
MAIN PCB DEFLECTION SCHEMATIC DIAGRAM
DIGITAL COMB FILTER PCB SCHEMATIC DIAGRAM
CRT PCB SCHEMATIC DIAGRAM
OPERATION & AV PCB SCHEMATIC DIAGRAM
PATTERN DIAGRAMS.......................................................................................................2-39
MAIN/CRT PCB PATTERN
SYSCON/COMB PCB PATTERN
OPERATION PCB PATTERN
AV PCB PATTERN
WAVEFORMS ....................................................................................................................2-49
Feb. 2002 No.51987
Page 3
AV-20F243
4
C
E
C
C
K
E
K
C
K
C
SEMICONDUCTOR BASE CONNECTIONS
DIODE
CATHODE
ANODE
1N4937 11E1-EIC RMPG06J-G3 SLR-342MCT32 LNA2702L010R GBL06L-6177
1SS133T-77 11ES1N-TA1B2 RU2AM-EIC SLR-342VCT32
HZ11B3L TD SB290S
MTZJ11B T-77
MTZJ13B T-77
MTZJ30B T-77
MTZJ33B T-77
MTZJ4.7B T-77
MTZJ5.6B T-77
MTZJ6.8B T-77
MTZJ8.2C T-77
SB10-03A3
IC
1
OEC7071A M62420SP AN3662FBP S-24C04BDP-LA R3111N311A/C-TR KIA78R05PI
1
1
LA71205M-MPB TEA1507P/N1 KIA78R09API
M61206FP
1 1
1
TRANSISTOR
1
1
LTV-817M-VB AN7522 TC90A45F LA78040 2SA1371(D,E)-AE 2SC1740STP
E
C
B
2SC2621(D,E)-RAC 2SK3326(2) 2SA1037AKT146 ST-304L RPI-352C40N 2SD2499
B
C
E
2SC2412KT146 R,S
KRA102SRTK
KRA103SRTK
KRC103SRTK
1
E
C
B
1
7
E
B
2SA1624-AA DTC114ESTP
2SC13840W KRC102SRTK
2SC2909(S,T)-AA KRC111MAT
KTA1266-AT(Y,GR) KTC3198-AT(Y,GR)
E
A
B
KTC3203_Y-AT
KTC3227_Y-AT
B
C
A
E
E
RPI-352Q02 RPI-301 RPI-303
A
G
D
S
2-2 No. 51987
Page 4
BLOCK DIAGRAMS
MICON/
OPERATION/
IN/OUT
HI-FI
Y/C/AUDIO/CCD/
HEAD AMP/
Y/C/AUDIO/
CCD/HEAD AMP
HI-FI
L503
DEGAUSS COIL
AC IN
TU1_AUDIO_A
TU1_VIDEO
MONITOR_V
AUDIO_OUT_R
AUDIO_OUT_L
TH501
DEGAUSS ELEMENT
3
Q507
FEED BACK
+B
ADJ
VR502
SCL
SDA
TU601
1
4
5
11
Q903
P.CON + 9V
2
F50
1
SW.
SAW FILTER
CF601
154
Q901
BUFFER
DIGITAL COMB FILTER
IC901 TC90A45F
4
BUFFER
D501
FEED BACK
IC506
LTV-817M-VB
TV-20F243 TV-20F243
TV BLOCK DIAGRAM
V. OUTPUT IC401 LA78040
THERMAL
Q602, Q603
UNGER+8V
AT+13V
CHROMA
IC601 M61206FP
62
64
1
60
31
1513
Q902
BUFFER
IC602
KIA78R09API
9V REG
RECTIFIER
POWER
CONTROL
IC501
TEA1507P/N1
57 55
36
IC603
KIA78R05PI
5V REG
Q501
POWER
No.51987 No.51987
REG
Q608
REG
Q605, Q606
REG
41
34 32 6
P.CON + 5V
T501
8
9
5
13 UNREG + 8V
11
15
AT + 30V
33 13
39
X602
3.579545MHz
Q502
PROTECT
DRIVE
12 7
Q503
SWITCHING
50
2-3
AT+5V
P.CON+8V
1
P.CON+5V
10
5
27
14
15
16
17
29
30
28
20
Q403, Q404
SW.
DIGITAL SOUND CONTROL
IC301 M62420SP
9
10
7 142 19
Q505
SWITCHING
2-4
AM
P
VCC
2
PUMP
UP
PROTECTION
73
5
Q651
Q405
H-DRIVE
FB401
E27
3
2
+B
7F
ABL
9
AFC
10
HEATER
Q803, Q812
BLUE AMP
Q801, Q810
RED AMP
Q802, Q811
GREEN
AMP
SOUND AMP
IC352 AN7522
6
1
8
HV
95
MICON/
SW.
Q406
H. OUTPUT
1COL
J801
F
S
2
4
12
10
7
11
8
6
10
SP352
SPEAKER
SP351
SPEAKER
H-CONTROL
P. CON + 8V
X_RAY_TEST
VD
HD
OSD_BLK
OSD_B
OSD_R
OSD_G
AFT_M
POWER FAIL
VCR_POWER-H
TV_POWER-H
TV_A_MUTE
OPERATION/
IN/OUT
DY
V801
CRT
MICON/
OPERATION/
IN/OUT
2
6
7
5
4
3
1
HEADPHONE
JACK J351
MICON/
OPERATION/
IN/OUT
Page 5
FE HEAD
HI-FI
CYL
CP4001
HF1(R)
9
HF COM
8
7
HF2(L)
6
SP-CH1 (R)
5
SP_COM
4
SP-CH2 (L)
EP/LP-CH2 (R)
3
2
EP/LP_COM
EP/LP-CH2 (L)
1
CP4003
FE HEAD (HOT)
1
FE HEAD (GND)
2
HF2
HF COM
HF1
Y/C/A/CCD/H.AMP IC
IC4001
LA71205M-MPB
67
66
65
72
73
74
9
7
8
6
HA
GND
P
R
P
P
R
P
REC AMP
AUTO BIAS
X4001
3.579545MHz
50
L
H
H
L
VREF
VX01
TV-20F243
TV-20F243
Y/C/AUDIO/CCD/HEAD AMP BLOCK DIAGRAM
49
EQ
AMP
Q4012
BUFFER
PB.EE
41
C-LPF
PLL
43
3.58M
BPF2
Main
CONV
ACC
DET
LINE
AMP
MUTE
B-UP
AMP
3.58M
BPF1
38
VSS
REC
APC
RP
LPF
REC
APC
AGC
YNR/COMB
R
P
34
CLAMP
Q4010
ALC
BUFFER
CLAMP
VCA
37
CCD
VIDEO
AGC
1
2
3
AUTO-BIAS
QV-QH
2
1
3
OUT
SYNC
SEP
SERAIL
DECODER
MUTE HA SW
60B
SYNC
SEP
41
C-ROT
RF-SW IN
AUDIO
ENV DET
58
53
54
55
39
57
58
59
26
25
36
24
Q4007
SYNC IN
Q4009
BUFFER
FSC
FRONT_VIDEO_IN
VCR_A_MUTE
Y/C_CLK
Y/C_DATA
Y/C_CS
H. SW
VCR_A_MUTE
ENV. DET
V.REC_ST-H
DUMMY_V. SYNC
SD_VIDEO
SD_SYNC
HI-FI
MICON/
OPERATION/
IN/OUT
MICON/
OPERATION/
IN/OUT
MICON/
OPERATION/
IN/OUT
HEAD
AUDIO
CONTROL
CP4002
6
AUDIO PB
5
AUDIO REC
4
CTL+
3
CTL-
2
AE HEAD(-)
AE HEAD(+)
1
COIL, BIAS OSC
T4001
5
6
4
Q4001, Q4002
AUDIO PB SW
5
11
Q4005
2
3
1
BIAS CTL
Q4006
BIAS OSC
4
3
P. CON + 5V
10
2 80
76
L4007
2
Q4003
SW
2-62-5No.51987
32
30
28
MONITOR_V
TU1_VIDEO
TV
NORMAL_A
HI-FI
3
Y/C_AUDIO
CTL+
CTL-
MICON/
OPERATION/
IN/OUT
No.51987
Page 6
TV-20F243 TV-20F243
MICON/OPERATION/IN/OUT BLOCK DIAGRAM
TV
VCR_POWER_H
CP1001
1
4
CAPSTAN
DD UNIT
5
9
10
11
12
HI-FI
Y/C/AUDIO/CCD/
HEAD AMP
AT+5.6V
P. CON+5V
H_CONTROL
X-RAY_TEST
CAP_FG
CAP/M F/R
I LIMIT
CAP_CTL
LDM_CTL
CTL_FG/PG
CYL_CTL
VCR_A_MUTE
ST_SELECT
DUMMY_V. SYNC
AT+5.6V
HI-FI-ENV
HI-FI-H.SW
SW1001
14
2
3
4
1
3
2
3
1
4
2
Q1013
EOT SENSOR
Q1006
LED DRIVER
MS_SEN A
Q1009
MS_SEN B
Q1003
REEL SENS.
Q1005
TIMER SYSCON MICON IC
IC1001 OEC7071A
50
TAB SW
1
MSSEN-A
2
MSSEN-B
80 REEL-T
24
H_CONTROL
41
X-RAY_TEST
27
VCR-POWER
12
CAP-LIMIT
CAP-PWM
76
CAP-FG
87
11
CAP-FWD
20
LDM CTL
90
DRUM FG/PG
77
DRUM-PWM
5
HI-FI-ENV
19
HI-FI-H.SW
81
VCR_A_MUTE
100
DEW/ST_SELECT
13
DUMMY-V.SYNC
3
EOT
61
CENTER LED
RESET-L
POWER_FAIL_L
X-OUT(12MHz)
X-IN(12MHz)
XC-OUT(32KHz)
XC-IN(32MHz)
CTL+
V-REC-START-H
CVIN
VIDEO-H. SW
SCLK
CS
VIDEO ENV
VCR_A_MUTE
IIC-DATA1
IIC-CLK1
CTL AMP-OUT
FF/REW-L
AFT(MONI)
OSD OUT1
V-SYNC
H/C-SYNC
KEY 1
TV-POWER
34
85
39
1 OUT
X1001
38
36
35
95
94CTL-
66
56
18
68SDATA
70
69
6
81
72
71
97
73
R
64
G
63
62
B
7
60
59
58
82TV_A_MUTE
9
28
12MHz
X1002
32.768KHz
Q1004
FF/REW_SW
SYSTEM RESET IC
IC1003
R3111N311A/C-TR
EEP ROM IC
SDA
5
6
IC1099
SCL
S-24C04BDP-LA
POWER
ON/OFF
Q1008
BUFFER
REC/OTR STOP/EJECT PLAY
J701
2
4
6
SDA
SCL
FRONT_VIDEO_IN
FRONT_AUDIO_IN_L
FRONT_AUDIO_IN_R
CTL+
CTL-
V. REC_ST_H
SD_VIDEO
SD_SYNC
H. SW
Y/C_DATA
Y/C_CLK
Y/C_CS
ENV_DET
VCR_A_MUTE
POWER _FAIL
SDA
SCL
OSD_R
OSD_G
OSD_B
AFT_M
OSD_BLK
VD
HD
TV_A_MUTE
TV_POWER_H
FF/CUE REW/REV
HI-FI
Y/C/AUDIO/
CCD/HEAD AMP
HI-FI
Y/C/AUDIO/
CCD/HEAD AMP
TV
KEY 2
Q1011
BOT SENSOR
D1003
4
BOT
REMOCON-IN
T-REC LED
No.51987 No.51987
10
Q4201
31ON-TIMER LED
14
30REC LED
ON TIMER
LED SW
Q4205
REC LED SW
Q4206
29
T-REC LED
SW
2-7 2-8
OS753
REC/OTR
D793
21
3
CH DOWN
T-REC
D791
CH UP VOL. UP VOL. DOWN
CS KANTAN/ON TIMER
D794
AT+5V
Page 7
TV-20F243
HI-FI BLOCK DIAGRAM
HI-FI AUDIO/HEAD AMP/DEM IC
IC5501
AN3662FBP
TV-20F243
Y/C/AUDIO/CCD/
HEAD AMP
HF2
HF1
HF_COM
FSC
Y/C_AUDIO
NORMAL_A
P.CON+5V
P.CON+9V
22
24
21
45
62
61
25
40
51
58
AMP
AMP
VCO-FO
ADJ
LOGIC
AGC
OUTPUT
SW
PNR
BPF
FM LIM
DEM
BLOCK
LOGIC
INPUT SW
AMP
AMP
10
15
53
57
48
30
29
28
27
36
42
43
56
2
NC
FRONT_AUDIO_IN_R
NC
4
FRONT_AUDIO_IN_L
AUDIO_OUT_R
AUDIO_OUT_L
TU1_AUDIO_A
V. REC_ST_H
HIFI_ENV.
HIFI_H.SW
VCR_A_MUTE
SCL
SDA
ST_SELECT
MICON/
OPERATION/
IN/OUT
TV
MICON/
OPERATION/
IN/OUT
No.51987
2-102-9
No.51987
Page 8
WIRNING CONNECTION DIAGRAM
ABC
8
GND
4
FRONT_VIDEO_IN GND
FRONT_AUDIO_IN_L
AV PCB
PCB250
TEXA46
GND
5
7
6
HEHEH
FRONT_A_IN_R
FRONT_AUDIO_IN_L
NC
E
123
J701_1
FRONT AV JACK
7
HEADPHONE JACK
J351
1
5
4
3
2
6
6
7
5
4
3
2
1
ABC
SPEAKER
1
2
SP OUT R+
SP OUT R-
CD355
CP704 CD704
SOUND+B
SOUND_GND
1
2345678
CP820A
GND
GND
DEGAUSS COIL
L503
No.51987 No.51987
8OHM
SP351
FRONT_VIDEO_IN
1
GND
2
FRONT_AUDIO_IN_L
3
4
SOUND_GND
5
SOUND_OUT_L
6
SP_OUT_L
GND
7
8
FRONT_A_IN_R
9
SOUND_OUT_R
10
SP_OUT_R
11
EARPHONE_L
12
EARPHONE_R
13
GND
H.OUT
V.FEEDBACK
CP403
1
CD402
1
AC120V_60Hz
CD501_1
WIDE
BLADE
V.OUT
BLACK
WHITE
ACL
21
1
2
3
4
5
6
7
8
9
10
11
12
13
H.PULSE
TV_POWER_H
9
2
1
S501
S502
X-RAY_TEST
POWER_FAIL
VCR_POWER_H
101112
CP502
TM101
COMMAND TRANSMITTER
TO
OS753
FROM
TM101
OS753
GND
B+
2
3
OPERATION PCB
NC
GND
GND
DEGAUSS_H
1102345678
13
CP810A_1
FBT
FB401
MAIN PCB
PCB070
TMA524
Vout
1
PCB030
TEXA45
AT+12V
MOTOR_GND
1
2
3
4
5
6
8OHM
SP352
SPEAKER
1
2
SP OUT L-
SP OUT L+
CD356
AT+13V
AT+30V
UNREG+8V
UNREG+8V
STANDBY_H
9
CP401
1
2
NC
3
4
5
CP803A
HEATER
GND_A
GND_A
NC
NC
180V
FOCUS SCREEN
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
TV-20F243 TV-20F243
DEF GH
INTERCONNECTION DIAGRAM
CD757_1
CD702
CD803
REMOCON_OUT
1
2
3
4
5
6
7
T-REC_LED
8
9
10
ON_TIMER_LED
FRONT_VIDEO_IN
1
2
FRONT_AUDIO_IN
3
SOUND_GND
4
SOUND_OUT
5
6
7
FRONT_A_IN_R
8
9
SOUND_OUT_R
10
SP_OUT_R
11
ANODE
5
4
CP803B
HEATER
GND_A
GND_A
180V
FOCUS
SCREEN
GND
AT+5V
KEY_A
REC_LED
KEY_B
GND
SP_OUT
GND
DY
6
1
NC
NC
CP2201_2
1
2
3
4
5
6
7
8
9
10
CP4202
1
2
3
4
5
6
7
8
9
10
11
CRT
H.V
V801
7
8
9
F
CP801
10
11
CP802_1
1
GND_A
2
B.OUT
R.OUT
G.OUT
CUT_OFF
GND
CRT PCB
GND_A
PCB110
TCA382
1
2
3
4
5
6
1
ARESINCE THESE PARTS MARKED BYCAUTION:
CD802
CP805
1
2
3
4
5
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
CRT SOCKET
J801
DEF GH
2-11 2-12
GND
GND
CP820B
SOUND+B
SOUND_GND
H.OUT
GND
V.FEEDBACK
V.OUT
ACL
H.PULSE
TV_POWER_H
POWER_FAIL
X-RAY_TEST
VCR_POWER_H
DEGAUSS_H
CP810B
GND
GND
NC
AT+12V
MOTOR_GND
UNREG+8V
UNREG+8V
AT+13V
AT+30V
X-RAY_STOP
CP805B
B.OUT
R.OUT
G.OUT
CUT_OFF
GND
SYSCON PCB
PCB010
VMA245
CP601
CD601
1
1
1
2
3
4
5
6
7
8
9
10
11
12
13
1
2
3
4
5
6
7
8
9
10
11
1
2
3
4
5
6
CY901
Y_IN
MONITOR V.OUT
Y_IN
MONITOR V.OUT
6
CP604
ETANTLES PIECES REPAREES PAR UNATTENTION:
C_IN
C_IN
12345
PCB300
VEA975
COMB PCB
GND
FSC
P.CON+5V
GND
FSC
P.CON+5V
12345
CP4001
HF1 (R)
9
8
HF_COM
HF2 (L)
7
SP-CH1 (R)
6
SP_COM
5
SP-CH2 (L)
4
EP/LP-CH1 (R)
3
EP/LP_COM
2
1
EP/LP-CH2 (L)
TU601
14 15
11
10
NC
NC
NC
NC
NC
12 13
IF
9
+30V
8
7
+5V
6
5
SDA
4
SCL
3
2
1
AGC
CP4003
FE HEAD (GND)
FE HEAD (HOT)
CP4002 FFC
6
AUDIO PB
5
AUDIO REC
4
3
2
AE HEAD(-)
1
AE HEAD(+)
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
CTL+
CTL-
CP1001
1
2
3
4
5
6
7
8
9
10
11
12
2
1
CAP_FG
CAP_VCO
VCC
CAP/M/F/R
I LIMIT
MOTOR_GND
GND
CYL/LAD VCO
CAP_CTL
LDM_CTL
CYL_FG/PG
CYL_CTL
1
2
3
4
5
6
7
8
9
10
11
12
9
8
7
6
5
4
3
2
1
2
1 FE HEAD (HOT)
6
5
4
3
2
1
THE TIMETHIS INTERCONNECTION DIAGRAM IS THE LATEST ATNOTE:
HALL
SENSOR
HALL
HALL
SWITCH
IN
VCC
FFC
1234567
M-GND
D-PG OUT
D-PG GND
FE HEAD (GND)
FULL ERASE HEAD ASS'Y
AUDIO PB
AUDIO REC
CTL+
CTL-
AE HEAD(-)
AE HEAD(+)
ROTOR
MAIN
MAGNETCOIL
OUT
LOGIC
CAPSTAN DD UNIT
7654321
7
6
7654321
D-COM
D-U OUT
D-V OUT
D-W OUT
CYLINDER UNIT ASS'Y
H5002
HEAD AUDIO CONTROL ASS'Y
H5001
MR
FG SENSOR
OGVCC
M2001
LM
LOADING MOTOR
M101
UN4001
WHITERED
HI-FI HEAD
SP HEAD
EP/LP HEAD
AUDIO
CONTROL
8
7
6
5
4
3
2
AE
1
Page 9
SCHEMATIC DIAGRAMS
[SYSCON PCB CHROMA/IF SCHEMATIC DIAGRAM]
AB C
FROM/TO MICON
HD
8
7
6
5
4
3
2
1
TEST POINT
CP602 09JQ-ST
9
8
7
6
5
4
3
2
1
TU601 TECC1040PG32E
VD
DEGAUSS_H
POWER_FAIL
OSD_R
OSD_G
OSD_B
OSD_BLK TU1_AUDIO
SDA
SCL
AFT_M
VCR_POWER_H
X_RAY_TEST
PROTECT
PROTECT_A
H_CONTROL
IIC_OFF
AUDIO_OUT_L ACL
AUDIO_OUT_R
VIDEO_OUT
W809
W810
AGC_R
AFT_R
AGC_R
INTELLGENT_MONI
B.OUT
AGC_M
IIC_OFF
SDA
SCL
GND
1213
1
AGC
1.8
NC
2
3
2.5
SCL
4
2.5
SDA
5
2.5
6
NC
0
+5V
7
4.9
NC
8
0
+30V
9
29.5
NC
10
2.0
IF
11
0
1415
FROM/TO POWER
P.CON+8V
P.CON+5V[CHROMA]
P.CON+5V[TU1]
8.7VREF
5.7VREF[PCON]
5.7VREF[AT]
CHROMA+13V
P.CON+5V
R603
22K
2.250V KA
C610
R605
NC
GND
AT+30V
C602
R602
220 1/4W
L604
100uH 0305
C612
0.1 B
C613
0.1 B
CAUTION: DIGITAL TRANSISTOR
220 1/4W
2206.3V YK
W808
AGC
TU1_AUDIO
CHROMA+13V
AGC_M
AFT_M ACL
AGC_M
0.39uH
R607
220 1/2W
R610
100 1/4W
R601
2.2K 1/4W
L601
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
THE DC VOLTAGE AT EACH PART WAS MEASURED
NOTE:
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
W919
W921
C623_1
AB C
No.51987
W924
100P CH
R614
W920
180K
L608
C621
100uH 0305
C614
0.01 B
C624
C620
0.01 B
R608
10K
C632
2.250V KA
22016V YK
234
TU1_VIDEO
R616
220
3.4
2.7
476.3V KA
BUFFER
0
Q601
2SA1037AK
CF603
EFCT4R5YS5A
C628
180P CH
C625
1F
D602
MTZJ8.2C
R618 10M
D601
R609
1SS133
SAW FILTER
CF601_1
TSF5229P3
W943
W928
GND
(CP403)
1
CD604
CH01006A
FROM/TO DEFLECTION
L620
47uH
R620
6.8K
L607
C629
22P CH
R622
L613
3.3uH
R673
1.2M
C627
1B
220
C618_1
22P CH
C626
0.1 B
C622
0.22 B
C634
0.01 B
R679
47K
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
TV-20F243
TV-20F243
DEF GH
CHROMA/IF SCHEMATIC DIAGRAM
5.7VREF[AT]
L618
C676
33uH
150P CH
R681
CF604
EFCT4R5MW5
10uH
470
R672
2.3
2.4
2.3
3.0
NC
2.0
NC
3.2
9.0
3.0
2.2
0
0
2.4
2.9
2.3
2.7
1.5
C674
0.1 F
C635
4716V YK
D603
MTZJ11B
C671_1
1.5K
C640
470
C636
0.01 B
49
50515253545556575859
AUDIO BYPASS
EXT AUDIO IN
FM DIRECT OUT
VIF VCO F/B
VREG Vcc
VIF APC FILTER
VIF VIDEO OUT
VIF GND
VIF GND
AFT OUT
6061626364
QIF IN
RF AGC OUT
RF AGC FILTER
VIF Vcc
VIF Vcc
1 10111213141516
2
3
W930
SW
Q651
2SC2412K
R688
5.100
220 1/4W
1016V KA
R687
1K
0.1 B
Hi Vcc
H VCO F/B
C639
R624
H_CONTROL
L610
100uH
9A06B
22025V YK
C641
R625
Hi Vcc
47 LIMITER IN
48 IF AGC
49 QIF OUT
50 AUDIO OUT
64 VIF IN
1 VIF IN
SCL
5
R626
0.01 B
2K
100
R655
SCL
10K
4.8 2.8
MCU RESET
INTELLIGENT MONI
CHROMA/IF IC
IC601
M61206FP
H OUT
FBP IN
6
789
10K
R656
H_PLUSE
H_OUT
ARESINCE THESE PARTS MARKED BYCAUTION:
DEF GH
5.7VREF[PCON]
16
C650
D607
1SS133
NCNC
5v REG
Y SW OUT
VIDEO/CHROMA GND
5.7V REG OUT(FOR CPU)
DEF GND
DEF GND
C647
0.01 B
R631
6.8K
R658
2.2K
R660
2.2K
D609
MTZJ6.8B
1K
R657
2.2K
VIDEO/CHROMA GND
34 EXT C in46 SW REG CONT
33 8.7V REG OUT
32 X'TAL
31 ACL/ABCL
17 V OUT
16 B OUT
AFC FILTER
H.PLUSE OUT
SDA
150V KA
C645
R659
2.2K
D608
MTZJ6.8B
D612
MTZJ6.8B
100
R630
W824
SDA
HD
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
2-142-13
R677
1.5M 1/4W
C648_1
R633
0.015 B
C649
TV/Y IN
VIDEO/CHROMA Vcc
VIDEO/CHROMA Vcc
V RAMP FEEDBACK
POWER ON CONT
R634
W933
(W109)
VCR_POWER_H
0.150V YK
8.2K
150V YK
C651
333435363738394404142434445464748
R IN
CHROMA APC FILTER
V PULSE OUT
G IN
FAST BLK
SPOT KILLER
fsc OUT
V RAMP CAP
B IN
STRAT UP Vcc
R OUT
G OUT
100
R636
R635
100 1/4W
R.OUT
G.OUT
(SYSCON PCB)
8.7VREF
C654
18P CH
47P CH
X602
100CT3R505
C656
0.01 B
15
8.82.03.23.2005.65.54.08.28.28.22.02.0
3.3
C661
1B
3.0
0
B.OUT
30 31 32
4.7
0
0.1
7.3
5.0
4.9
4.9
4.8
2.0
20 21 22 23 24 25 26 27 28 29
0
8.2
8.2
17 18 19
3.8
2.42.52.54.83.93.43.6002.50.83.62.65.05.01.5
C669
100 1/4W
D617
OSD_R
ETANTLES PIECES REPAREES PAR UNATTENTION:
0.01 B
D618
1SS133
OSD_G
C664
R647
D620
1SS133
1SS133
D616
OSD_B
163V MKT
2.2K
R684
1SS133
C644
6.8K
R685
R661
8.2K
D605
11ES1N
W803
C665
R642
MTZJ11B
C655
R649
C659
6.8K
22016V YK
C601
2.2K
R692
1/4W
4716V YK
D613
10P CH
C692
470
1016V KANP
R638
5.6K
W938
W939
MTZJ6.8B
1050V YK
R651
100 1/4W
2SC2412K
C734
0.001 B
R646
8.2K
0.039 B
R643
47K
C700
0.0012 B
C658
0.22 B
C660
0.1 B
R641
27K
D606
C653
0.01 B
2.2K
R648
D621
1SS133
D619
1SS133
R683
1/4W
6.8K
6.8K 1/4W
THE RESISTOR MARKED F IS FUSE RESISTOR.NOTE:
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
IS NON POLAR ONE.
R652
Q609
0.3
8.2
SW
4.7K
SW
Q604
KRA102SRTK
8.2
8.2
0
OSD_BLK
0.001 B
C615_1
R693
P.CON+5V
10K 1/4W
C741
0.3
PROTECT
2.250V YK
10K
R627
No.51987
VD
V_OUT
R.SIGNAL
G.SIGNAL
B.SIGNAL
P.CON+5V
MONITOR_V
SOUND+B
SOUND_GND
H_OUT
V_OUT
H_PLUSE
PROTECT_A
POWER_FAIL
X_RAY_TEST
DEGAUSS_H
G.OUT
R.OUT
B.OUT
FROM/TO Y/C/AUDIO/HEAD AMP
VIDEO_OUT
TU1_VIDEO
VD
TO SOUND AMP
SOUND+B
SOUND_GND
FROM IF
MONITOR_V
AGC
AGC_R
W942
C633
C630
0.001 B
DEFLECTION SIGNAL
AUDIO SIGNAL(REC)
TUNER VIDEO SIGNAL
C683
0.001 B
4706.3V YK
C670
FROM/TO DIGITAL COMB FILTER
220P CH
C699
0.001 B
CP604
(CY901)
IMSA-9130B-06
P.CON+5V
FSC
GND
C IN
Y IN
MONITOR V.OUT
FROM/TO DEFLECTION
CP820B
(CP820A)
B2013H02-13P
SOUND+B
SOUND_GND
H.OUT
GND
V.FEEDBACK
V.OUT
ACL
H.PLUSE
PROTECT/TV_POWER_H
POWER_FAIL
X-RAY TEST
VCR_POWER_H
DEGAUSS_H
TO CRT
(CP805)
CP805B
B2013H02-5P
GND
CUT_OFF
G.OUT
R.OUT
B.OUT
PCB010
VMA245
8
1
2
7
3
4
5
6
6
1
5
2
3
4
5
6
7
8
9
10
11
12
13
4
3
2
5
4
3
2
1
1
Page 10
[SYSCON PCB Y/C/AUDIO/CCD/HEAD AMP SCHEMATIC DIAGRAM]
TV-20F243 TV-20F243
ABC
DEF GH
Y/C/AUDIO/CCD/HEAD AMP SCHEMATIC DIAGRAM
8
COMP
ENV_DET
H.AMP_SW1
R4044 22K
7
FROM POWER
P.CON+5V
FROM/TO HI-FI
GND
(S801)
W988
W854
C4069
TU2_AUDIO
NORMAL_A
Y/C_AUDIO
FSC
HF2
6
5
HF_COM
HF1
FROM/TO CYL
CP4001
TOC-C09X-A1
9
HF1 (R)
8
HF_COM
7
HF2 (L)
6
SP-CH1 (R)
5
SP_COM
4
SP-CH2 (L)
3
EP/LP-CH1 (R)
2
EP/LP COM
1
EP/LP-CH2 (L)
C4083
22P CH
P.CON+5V
L4001
22uH
0305
C4055
C4016
0.068 B
C4019
0.047 F
476.3V KA
C4009
0.33 B
4
TU2_AUDIO
W851
TU1_AUDIO DUMMY_V.SYNC
W852
W853
3
0
SW
Q4003
KRA103SRTK
R4001
560
R4002
0.7
R4003
0.7
R4055
12K
5.2
5.3
10K
C4002
10K
NORMAL_A
FROM/TO HEAD AUDIO CONTROL
CP4002
IMSA-9604S-06Z14
6
AUDIO PB
5
AUDIO REC
4
CTL+
3
CTL-
2
AE HEAD(-)
1
2
AE HEAD(+)
FROM/TO FULL ERASE HEAD
CP4003
TMC-T02X-E1
FE HEAD(GND)
2
FE HEAD(HOT)
1
GND
HOT
1
P.CON+5V
V.REC_ST_H
CTL+
CTL-
5
0
AUDIO
PB SW
Q4001
KTC3198T
0
(Y,GR)
0
AUDIO
PB SW
Q4002
KTC3198T
0
(Y,GR)
THE DC VOLTAGE AT EACH PART WAS
NOTE:
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK
COIL,BIAS OSC
T4001
1626009
6
0.022100V MKT
R4056
8.2K
C4020
1F
C4021
0.1 B
C4023
C4075
0.1 B
C4012
226.3V KA
L4008
100uH
0305
R4062
1
2345
2206.3V YK
C4004
6.8K
L4003
100uH
0305
3.3K
R4010
C4005
0.01 B
0
BIAS OSC
Q4006
0
KTC3203_
0
C4006
YT
2.2
0.015 B
R4069
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
226.3V KA
0.2
5.0
BIAS CTL
Q4005
KTA1266T
(Y,GR)
5.1
R4011
22K
C4010
476.3V KA
Y/C/AUDIO/CCD/HEAD AMP IC
IC4001
LA71205M-MPB
2.2
0
4.0
1.8
0.7
0.1 B
C4086
0.7
0.7
5.0
1.7
R4012
0
1.8
+-1%
680
2.0
2.0
2.0
0
2.2
4.9
2.3
0
2.3
R4004
C4025
15 1/4W
C4027
4706.3V YK
C4077
0.01 B
4.7
0
0
AMP
Q4013
2SC2412K
R4060
1.5K
10M
R4061
0.5 2.8 0 0 0 4.8 4.8 4.8 5.0 1.9 2.6 4.0 3.3 3.3
OUT
COMP
ENV
DET
KILL
616263646566676869
DET
HA
GND
CHROMA
DET
ACC
DET
P
R
P
HA VCC
70717273747576777879
HA
PRE GND
P
R
P
A-GND
1
2
3
A-VCC
Vref
2.3V
1 10111213141516
C4028
336.3V KA
R4057
1K
10M
R4058
R4059
C4071
10M 1/4W
270P CH
VD
ABC
VCR_A_MUTE
R4045 12K
0.1 B
AUDIO
C-ROT
MUTE
RF-SW
HA SW
H
L
H
L
ALC
ALC
DET
SP,LP
3
R4017
0.1 B
6.8K
R4019
330K
C4029
0.01 B
H.SW
Y/C_CS
C_ROTARY
22K
R4046
12K
R4047
C-GND
IN
+
PB,EE
EQ
AMP
4
12K
R4018
1016V KA
C4030
180
R4020
DEF GH
No.51987 No.51987
(SYSCON PCB)
Y/C_CLK
Y/C_DATA
P.CON+5V
L4006
0305
47uH
C4063
C4062
R4039
C-VCC
SERAIL
DECODER
R
P
REC:LP<EP
PB:EP
PR
C-LPF
PB,EE
7
C4032
C4031
3.58M
BPF2
Main
B-UP
CONV
AMP
PPPR
4.21M
BPF
Sub
CONV
DETAIL
ENH
NL
EMPHA
LINE
LPF
AMP
VREF
REC
MUTE
AMP
8809
820
R4022
0.0033 B
R4021
22K
C4033
C4034
0.001 B
3.350V KA
R4014
4
CAUTION: DIGITAL TRANSISTOR
2-15
2
150V KA
8.2K
P
4.725V KA
390
476.3V KA
C4064
X4001
BGA
ACC
AMP
ACC
DET
AUTO
BIAS
R
R4041
0.022 B
100CT3R502
VX01
REC
APC
P
R
R
R
CLAMP
NL
EMPHA
FM
MOD
R-EQ
TEST
REC
FM-EQ
FM
AGC
PHASE
EQ
fo-ADJ
R4023
APC
P
NORMAL
1.8K
PB
P
C4065
320FH
P
BEFORE
AFTER
PHASE
Q-ADJ
27K
4.0
R4042
VCO
AFC
R
FM EQ
EQ
R4024
5.1
R
REC
Y-LPF
DOUBBLE
PB
VHS
150V KA
1.5K
BGA
BGA
LIM
3
100
R4043
C4066
SLD
PB-C
S-EQ
SOPB
TP4001
NC
BUFFER
Q4012
2SC2412K
3.4
1.8K
0.022 B
2.3
YNR/COMB
P
R
V.ENV
2-16
P.CON+5V
47uH
L4005
R4038
680K
150V KA
C4067
NC
5.0 5.0 0 2.2 0.8
ALWAYS
5V
B
DRIVER
CCD
CNC
PB
AMP
B.D
P
3.58M
BPF1
VIDEO
AGC
R
PB-C
Y/C
MIX
SUB
LPF
MAIN
DE-EM
R
P
Y-GND
0
01.41.71.01.05.02.42.32.22.32.22.22.32.22.2
C4036
390P B
C4037
1/2
FBC
QV/QH
R
MAIN
EMPHA
FIL
17 18 192 20
NC
N.L.
DEEM
NC1
FM
DEM
P
FM
AGC
FIL
0.1 B
3.350V KA
C4035
FSC
1K
R4054
0305
0.01 B
C4060
C4058
0.1 B
476.3V KA
C4061
C4059
0.01 B
C4078
0.1 B
414243444546474849550515253545556575859660
0
CLOCK
4FscVDD
R
P
R
P
SYNC
V.SYNC
SEP
0.11.5
SEP
PLL
OUTTIMMING
AUTO-BIAS
CLAMP
VCA
CLAMP
1
2
3
6DB
4.7K
S
DET
40
VSS
1.7
OUT
0
VSS
3.0
IN
2.8
3.1
VCA
3.1
2.6
VCP
2.0
4.0
REG
4V
2.0
30 31 32 33 34 35 36 37 38 39
2.3
BAL
TC1
2.3
C4051
1.6
AGC
TC2
2.9
3.6
0
R4029
4.9
Y-VCC
2.8
1.8
B
21 22 23 24 25 26 27 28 29
2.52.3
1.5K
R4025
C4038
180P CH
S102YS102X
C4022
0.01 B
CAUTION: DIGITAL TRANSISTOR
2SA1037AK
0
C4048
1016V KA
C4053
150V KA
C4050
0.2250V KA
336.3V KA
47K
R4065
C4046
SYNC IN
Q4007
2SC2412K
0.7
BUFFER
Q4010
2.2M
150V KA
NC
R4033
3.3M
R4036
1.7
2.3
R4034
82K
C4049
4.750V KA
C4054
0.1 B
R4032
220
C4082
33P CH
1
W855
5.0
47K
R4028
0
5.0
R4026
39K 1/4W
3.4
0
6
15.6KHZ TRAP
1234
L4007
STP-01064
2.2K 1/4W
R4035
100K
C4057
150V KA
D4003
BUFFER
Q4009
2SA1037AK
C4045
C4052
150V KA
C4047
W801
150V KA
MTZJ13B
L4004
22uH 0305
W856
C4041
C4014
C4042
0.33 B
0.047 B
L4009
22uH
1006.3V KA
R4048
180 1/4W
2206.3V KA
0.1 B
C4044
1.5K
R4005
W857
AUDIO SIGNAL(REC)
AUDIO SIGNAL(PB)
PLAYBACK COLOR SIGNAL
PLAYBACK LUMINANCE SIGNAL
0305
C4043
0.1 B
FRONT_V_IN
P.CON+5V
VIDEO_OUT
SD_VIDEO
SD_SYNC
Y/C_AUDIO
FROM IN/OUT
FRONT_V_IN
FROM/TO MICON
Y/C_CLK
Y/C_DATA
Y/C_CS
H.SW
SD_VIDEO
ENV_DET
VCR_A_MUTE
CTL+
CTL-
C_ROTARY
DUMMY_V.SYNC
V.REC_ST_H
H.AMP_SW1
COMP
SD_SYNC
FROM IF
VIDEO_OUT
W859
FROM/TO CHROMA/IF
TU1_VIDEO
TU1_AUDIO
VD
VIDEO_OUT
RECORD COLOR SIGNAL
RECORD LUMINANCE SIGNAL
PCB010
VMA245
8
7
6
5
4
3
2
1
Page 11
[SYSCON PCB MICON SCHEMATIC DIAGRAM]
TV-20F243
TV-20F243
ABC
MICON SCHEMATIC DIAGRAM
8
7
6
5
4
3
FROM/TO POWER
AT+5V[BACKUP] HIFI_ENV
FROM/TO DECK
CP1001
TMC-J12P-B2
1
CAP_FG
2
CAP_VCO
3
CAP/M/F/R
4
5
I_LIMIT
GND[M]
6
7
8
LD/CY_VCO
9
CAP_CTL
LDM_CTL
10
CYL_FG/PG
11
12
CYL_CTL
EOT SENSOR
AT+5V[UCON]
P.CON+5V
AT+12V
MOTOR_GND
STANDBY-H
VCC
GND
Q1013
ST-304L
3306.3V KS
C1026
R1011
GND
5.2
0
CENT SW
Q1006
KRC103SRTK
220K
D1003
W823
W860
C1002
33035V YK
R1016
3.3K 1/4W
R1002
220 1/4W
2.8
4.8
3.7
LNA2702L010R
Q1002
ST-304L
BOT SENSOR
R1003 330K
5.2
0
CAP_F/R
CAP_LIMIT
CAP_CTL
LDM_CTL
CYL_FG/PG
CYL_CTL
R1018
SW1001
TAB SW.
CAP_FG
4.7K
TAB_SW
CENTER_LED
MXS01380MPP0
10K
R1047
4.1
S807Y
C1013
R1012
10K
FF/REW_SW
Q1004
KRC103SRTK
4.9
4.9
0.0039 B
C1001
C1019
0.001 B
0.0022 B
C1022
0.1 B
BUFFER
Q1008
2SA1037AK
C1041
11
R1043
C1011
D1001
MTZJ11B
1006.3V KA
R1001
3.3K
R1008
1K
R1006
1K 1/4W
4.8
0
0
POWER_FAIL
VCR_A_MUTE TAB_SW
TV_A_MUTE
IIC_OFF
CAP_FG
BOT
EOT
CYL_FG/PG X_RAY_TEST
CTL-
CTL+
ST_SELECT ON_TIM_LED
R1039
0.1 B
R1077
1K
W866
4.7K
3.3K 1/4W
D1014
C1015
C1018
R1013
560 1/4W
C1027
0.0039 B
C1030
MTZJ6.8B
4710V KA
4.750V KA
0.0033 B
W869
C1016
2216V KA
R1009
560 1/4W
C1020
1016V KA
7
REEL_T
CAP_CTL
22K
R1028
C1029
0.0068 B
818283848586878889
0
5.1
NC
0
NC
5.1
POWER_FAIL_L
5.9
IIC OFF
5.2
CAP-FG
2.5
AMP-VSS
0
NC
2.0
DRUM-FG/PG
90919293949596979899
0.6
AMP-VREFOUT
2.5
AMP-VREFIN
2.5
C
0.2
CTL-
0
CTL+
2.5
AMP C
2.6
CTL AMP-OUT
2.5
5.2
5.2
100
0
110
4.9 4.9
W868
MS_SEN-A
DEF GH
(SYSCON PCB)
FROM/TO HI-FI
V.REC_ST_H
HIFI_H.SW
SCL
SDA
ST_SELECT
VCR_A_MUTE
FROM/TO Y/C/AUDIO/HEAD.AMP
Y/C_CLK
Y/C_DATA
Y/C_CS
H.SW
SD_VIDEO
ENV_DET
VCR_A_MUTE
CTL+
CTL-
C_ROTARY
DUMMY_V.SYNC
V.REC_ST_H
H.AMP_SW1
COMP
SD_SYNC
FROM/TO CHROMA/IF
HD
VD
DEGAUSS_H
POWER_FAIL
OSD_R
OSD_G
OSD_B
OSD_BLK
SDA
SCL
AFT_M
VCR_POWER_H
X_RAY_TEST
PROTECT
IIC_OFF
PROTECT_A
H_CONTROL
FROM/TO IN/OUT
ON_TIM_LED
REC_LED
T-REC_LED
KEY_A
KEY_B
REMOCON_IN
TV_POWER_H
8
7
6
5
4
3
H-SYNC
V-SYNC
DEGAUSS_H
STANDBY-H
R1004
C1056
0.1 B
W871
C1034
0.1 B
C1035
220P CH
C1031
0.001 B
NUA
CVIN
PROTECT
H CONTROL
H_CONTROL
PROTECT
1K
VHOLD
VIDEO-MUTE
004.9
NC
R1031
HLF
NC(CS_REC_LED)
XC_OUT(32KHz)
VCR-POWER
5.2
SDA
SCL
CYL_CTL
C1065
0.1 B
4.7K
3.3K
R1029
C1028
0.1 B
33K
R1017
220
R1053
R1020
0.90.9
REEL-S
REEL-T
MSSEN-A
MS_SEN-B
CAP-PWM
CAP FULL
DRUM-PWM
HI-FI-ENV
BOT
EOT
MSSEN-B
4
5
1.4 0 0 2.4 2.2 5.2 5.2 0 2.2 0 0 5.2 2.3 2.6 2.6 0 0 0 5.2 0 0
0
HIFI_ENV
EOT
BOT
R1038
R1045
3.3K
R1044
22K
NCNC
4.9 0 0 04.8
00
FF/REW-L
JUST CLOCK
VOLUME/REC_AGC
81 VCR_A_MUTE
82 TV_A_MUTE
83 EXT_A_MUTE
84 NC(TUNER_CTL)
98 AMP-VCC
99 ANALOG VCC
100 DEW/ST_SELECT
VIDEO-ENV
AFT(MONI)
AFT(REC)
0
ENV_DET
AFT_M
Y/C_CS
Y/C_CLK
Y/C_DATA
W992
220
220
R1042
CS
SCLK
SDATA
IIC-CLK1
IIC-DATA1
TIMER SYSCON MICON IC
DUMMY-V.SYNC
CAP-LIMIT
CAP-FWD
KEY 2
KEY 1
11 12 13 14 15 16 17 18 192 20 21 22 23 24 25 26 27 28 293 30
9
KEY_A
KEY_B
R1024
CAP_F/R
0
1K 1/4W
DUMMY_V.SYNC
CAP_LIMIT
V.REC_ST_H
NC
004.80.10
BBE_H
V_REC_START_H
IC1001
OEC7071A
COLOR ROTARY
REMOCON-IN
R1014
C_ROTARY
REMOCON_IN
OSD_R
270
R1007
R1021
4.8
RGB
NC(AV3)
HEAD.AMP.SW
ENV-CMP-IN
TP5502
NC
HIFI_H.SW
560
R1062
H.AMP_SW1
OSD_G
OSD_B
R1035
270
HI-FI-H.SW
VIDEO-H.SW
W817
10K 1/4W
HIFI_H.SW
OSD_BLK
CENTER_LED
4.7K
R1036
270
C1009
220P CH
C1067
100P CH
C1023
220P CH
C1010
220P CH
C1037
390P CH
OSD OUT1
CENTER LED
50 TAB SW
49 OSD-VSS
48 AV2
33 PLAY LED
32 RENT_H / OTPB_LED
31 ON-TIMER LED
X-RAY IN
LDM CTL
R1052
4.7K 1/4W
DEGAUSS_H
LDM_CTL
R1032
1K
SD-IN
OSD-VCC
NUB
OSC-OUT2
OSC-IN2
CLKSEL
X-RAY_TEST
VSS
X-OUT(12MHz)
X-IN(12MHz)
VCC
XC_IN(32KHz)
RESET-L
T-REC LED
TV-POWER
T-REC_LED
C1071_1
5.25.22.11.62.34.24.900002.62.52.51.8
515253545556575859660616263646566676869770717273747576777879880
SERVICE
AV1
REC LED
REC_LED
10K
50
4.8
4.8
40 41 42 43 44 45 46 47 48 49
31 32 33 34 35 36 37 38 39
R1066
330P B
5.2
0
NC
NC
0
2.6
2.5
5.2
NC
0
0
0
2.6
2.1
5.2
1.3
1.5
5.2
NC
4.9
NC
0
0
SD_SYNC
SERVICE
TP1001
R1033
1K
8
C1038
680P CH
R1040
33K 1/4W
12
100CT01207
100DA32R01
PROTECT SW
Q1014
KRC103SRTK
4.8
4.7K 1/4W
X1002
10
0
0
NC
R1034
L1001
X1001
C1062
1B
1M
2.2uH
4.9
0
9
2.7K
R1058
C1014
0.1 B
C1050
20P CH
TP1002 H.SW
0
PROTECT SW
Q1007
KRC103SRTK
W874
HD
VD
C1046
20P CH
C1047
18P CH
C1040
18P CH
C1048
18P CH
C1049
22P CH
RESET
TV_POWER_H
VCR_POWER_H
H.SW
COMP
NC
STANDBY-H
PROTECT_A
FROM/TO SOUND AMP
TV_POWER_H
SCL
SDA
W862
2
5678
SDA
IC1099
EEP ROM IC
S-24C04BDP-LA
VSS
1
5.202.62.5
VCC
SCL
TEST
A2
A1
A0
1234
0000
W863
MS_SEN B
Q1003
RPI-352C40N
MS_SEN-B
MS_SEN A
RPI-352C40N
5.1 5.1
23
1
4
1.4
3.9
33K
R1083
C1006
100P CH
THE DC VOLTAGE AT EACH PART WAS
NOTE:
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK
Q1009
R1050
5.13.9
23
1
4
4.92.7
100
R1087
33K
C1008
MS_SEN-A
100P CH
ABC
No.51987
REEL_T
0
1
R1046
1.2
2
34
0.10
REEL SENS
Q1005
RPI-303
390 1/4W
R1019
47K
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
IC1002_1
R3111N311A/C-TR
SYSTEM RESET IC
5.2
D1002
1SS133
NC NC
OUT
123
5.2
C1017
0.12 B
DEF GH
2-182-17
RESET
NCNC
R1049
0.30.2
45
4.7K
GNDIN
0
R1051
5.6K
CAPSTAN AFC SIGNAL
TUNER VIDEO SIGNAL
DEFLECTION SIGNAL
C1021
4716V KA
C1003_1
4706.3V YK
CYLINDER AFC SIGNAL
CYLINDER APC SIGNAL
CAUTION: DIGITAL TRANSISTOR
B.SIGNAL
G.SIGNAL
R.SIGNAL
No.51987
TV_A_MUTE
SCL
SDA
FROM/TO IF
SCL
SDA
PCB010
VMA245
2
1
Page 12
[SYSCON PCB IN/OUT SCHEMATIC DIAGRAM]
ABC
8
7
6
FROM/TO SOUND AMP
SOUND_GND
SOUND_L+
SP_OUT_L
SOUND_R+
SP_OUT_R
CP4203
06CH01408A
1
GND
11
(CD351)
SP_OUT_R
CP4202
8283_1112_00_000
FROM/TO OPERATION
C4203
C4222
FRONT_A_IN_R
FRONT_A_IN_L
FRONT_V_IN
REC_LED
ON_TIM_LED
9
10
SOUND_OUT_R
FRONT_A_IN_R
NC
B
0.001
470P CH
TV-20F243 TV-20F243
DEF GH
IN/OUT SCHEMATIC DIAGRAM
(SYSCON PCB)
1
2345678
GND
SP_OUT_L
SOUND_OUT_L
GND
SOUND_GND
FRONT_VIDEO_IN
FRONT_AUDIO_IN_L
C4204 470P CH
(W239)
W828
R4201
C4201
0.01 B
75
C4218
47P CH
REC LED SW
Q4205
KRC102SRTK
3.70
0
C4205
0.01 B
ON TIMER LED SW
Q4201
DTC114ES
T-REC LED SW
Q4206
KRC102SRTK
3.7
0
0
W267
(CD757)
KEY_B
ON_TIMER_LED
FROM/TO OPERATION
CP2201_2
8283_1012_00_000
W908
REC_LED
T-REC_LED
KEY_A
S807X
56789
POWER_ON_L
NC
AT+5V
8
110234
GND
REMOCON_OUT
7
6
5
4
FROM POWER
FROM/TO MICON
AT+5V[UCON]
ON_TIM_LED
REC_LED
T-REC_LED
KEY_A
KEY_B
REMOCON_IN
TV_POWER_H
GND
TV_POWER_H
T-REC_LED
W883
3
TO Y/C/AUDIO/HEAD AMP
FRONT_V_IN
TO HI-FI
2
FRONT_A_IN_L
FRONT_A_IN_R
00
TV POWER LED SW
Q4204
4.8
KRC102SRTK
KEY_B
KEY_A
R2211
4.7K
1/4W
R2212
4.7K
AT+5V[UCON]
REMOCON_IN
5
4
3
2
PCB010
VMA245
CAUTION: DIGITAL TRANSISTOR
THE DC VOLTAGE AT EACH PART WAS
1
ABC
No.51987 No.51987
NOTE:
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK
DEF GH
2-19
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
2-20
TUNER VIDEO SIGNAL
AUDIO SIGNAL(REC)
1
Page 13
[SYSCON PCB SOUND AMP SCHEMATIC DIAGRAM]
AB C
8
TV-20F243
TV-20F243
DEF GH
SOUND AMP SCHEMATIC DIAGRAM
(SYSCON PCB)
IC352 AN7522SOUND AMP IC
8
RL
1 10111223456789
6.6 3.5 0 3.5 3.9 1.3 0 1.3 6.6 3.5 0 3.5
7
FROM CHROMA/IF
SOUND+B
6
SOUND_GND SOUND_GND
FROM/TO MICON
TV_POWER_H
5
4
TV_A_MUTE
SCL
SDA
FROM HI-FI
AUDIO_OUT_R
AUDIO_OUT_L
3
FROM POWER
2
P.CON+9V
P.CON+5V
FROM/TO CHASSIS
CD302
(CD402)
CH01408A
1
GND
GND
HS353
763WAA0027
B301
W5RH3.5X5X1.0
W991
W985
R359
47K 1/4W
100uH 0607
R353
68K 1/4W
R316
3.9K
L302
C315
R302
3.3K
4716V YK
R303
3.9K
C311
1050V KA
C357
R308
3325V YK
3.3K
1050V YK
C301
C316
0.1 B
100016V MHE
C321_2
R310
R309
220 1/4W
C302
0.033 B
C312
1050V KA
11 0
136K
REF
VR1
+
-
REF
+
REF
-
VR2
136K
IC301 M62420SP
DIGITAL SOUND CONTROL IC
4.7K
R304
0.033 B
R305
4.7K
220 1/4W
390
R306
1.8K
C304
0.022 B
C306
0.47 B
3456789
VR3
1.8K
+
-
SIMAMP1
VOLAMP1
6.5K
VOLAMP2
SIMAMP2
6.5K
+
VR4
1.8K
C305
C307
0.022 B
0.47 B
R307
C303
1.8K
R313
1050V KA
C314
100
R317
VR5
TONE
S5
S3
S7
S1
S2
AMP1
+
-
6.5K
6.5K
+
TONE
S8
S6
S4
AMP2
VR6
04.44.34.34.44.44.48.9
R318
100
L301
1.610.504.44.34.34.44.44.44.4
I2C BUS
INTERFACE
CONTROL
LOGIC
111213141516171819220
5.25.2
R311
100K
100uH
0.001 B
0.1 MMTS
C308
C317
W945
C319
100P CH
C350
C323
C318
100P CH
C309
4716V YK
C310
0.022 B
0.150V KA
150V KA
+-+-
R357
100K 1/4W
C325_1
1016V KANP
R358
FROM/TO IN/OUT
W951
W952
2.0
0
MUTE SW
0
Q350
2SC2412K
W947
390
SOUND_R+
SP_OUT_L
SOUND_L+
SP_OUT_R
PCB010
VMA245
7
6
5
4
3
2
1
THE DC VOLTAGE AT EACH PART WAS MEASURED
NOTE:
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
AB C
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
No.51987
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
DEF GH
ARESINCE THESE PARTS MARKED BYCAUTION:
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
2-222-21
ETANTLES PIECES REPAREES PAR UNATTENTION:
THE RESISTOR MARKED F IS FUSE RESISTOR.NOTE:
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
IS NON POLAR ONE.
AUDIO SIGNAL(REC)
No.51987
1
Page 14
[SYSCON PCB HI-FI SCHEMATIC DIAGRAM]
A DEF GH
BC
TV-20F243 TV-20F243
HI-FI SCHEMATIC DIAGRAM
8
(SYSCON PCB)
C5501
W959
7
6
AUDIO_OUT_R HIFI_ENV
ST_SELECT
AUDIO_OUT_L
P.CON+9V
5
C6309
0.01 B
NORMAL_A
Y/C_AUDIO
23
22
L5506
100uH
0305
R5525
R5501
15K 1/4W
R5502
5.6K
C5556
0.001 B
R5526
2.2K
2.2K
C5510
4
C5508
R5503
10M
4716V KA
0.1 F
P.CON+5V
C5521
0.22 B
L5501
100uH
C5514
476.3V KA
C5502
0.1 F
0.1 F
C5562_1
560P B
R5518
3.3K
TU2_AUDIO
W961
R5512
2.7M
C5506 0.1 F
C5507 0.1 F
C5519
DEM_BLK
49
3.9
INPUT
50515253545556575859
VCA
3.8
5.4
C5509
2.250V KA
W818
2.9
4.6
2.0
C5516
1016V KA
0
C5552
1016V KA
1.8
4.5
9.0
NC
4.6
NC
6061626364
C5513
0.1 F
0.2
2.6
1.1
C5512
1016V KA
0.7
0.4
1 10111213141516
3.350V KA
C5515
C5518
0.022 B
0.12.6 2.6 0.1 2.2 2.6 2.0 0.4 0 0.1 0 2.2 2.6 0 0.1 2.6
NC NC NC NC
1F
NC
4748
STEREO
FILTER
SAP
DEMOD
AMP
RFC
DET
NOISE REDUCTION
2
DBX
MATRIX
3
L5503
C5522
PILOT
DET
SL
PLL
L.R
DEMOD
SAP
FSC
(L.R)/SAP
SWITCH
AMP
SW22
4
82uH
24P CH
C5523
L
R
75uS
DE-EMPH
LPF
MIX
5
C5524 0.1 B
SDA
R5520 220
C5560
4.750V KA
100P
LOGIC
L
R
INPUT_SW(R)
VREF1
6
C5525 1016V KA
SCL
R5521 220
C5555_1
C5561
100P
CH
CH
MUTE VCO-F0
CTL
SW21
FROM 1PIN
MUTE
R
SW18
SW19
L
R
MUTE
L
SW17
L
R
FROM 3PIN
SW2
INPUT_SW(L)
789
C5527 1016V KA
C5526 4.725V KA
LOGIC
L5504
220P CH
ADJ
PNR RCH
NORMAL
SW16
BS
PNR LCH
P.CON+5V
40414243444546
BS
HIFI
MIX
MIX
HIFI
22uH
0305
C5530
NC
ZZ-PROM
0.1 B
REC LPF
LCH VCO
C5531
S/N
SW NOISE
AUDIO
LIMIT
PC PB LPF
RCH BPF
LCH BPF
PC
AUDIO
LIMIT
SW NOISE
MIX
R5510
SW9
FM UM
SW4
S/N
476.3V KA
PB LPF
C5532 4.725V KA
VCR_A_MUTE
22K
C5534
1K
R5517
SW12
SW10
SW14
DET
SW13
AGC
C5533 150V KA
RCH
VCO
REC LPF
NOISE
TIMING
HPF
DET
LINER
HOLD
CURR
0.72.601.8005.200.31.82.403.92.1
SW
AMP
3316V KA
C5536
RECPB
+
-
-
SW11
SW15
2.62.2
C5538
1016V KA
33343536373839
C5539 336.3V KA
1016V KA
30 31 32
HA1HA2
20 21 22 23 24 25 26 27 28 29
H
L
17 18 19
HI-FI AUDIO/HEAD AMP/DEM IC
IC5501
AN3662FBP
C5546
0.015 B
C5548
1016V KA
C5540 0.015 B
C5541 0.22 B
D5501
1SS133
C5549 0.1 F
C5542 0.1 F
C5543
0.01 F
C5544
0.01 F
C5545
0.1 F
C5547
2.6
2.6
2.0
2.0
3.9
3.5
0
5.3
0
0
0.7
0
2.7
2.6
2.6
0.7
1016V KA
C5551
0.1 F
C5550
TP5501
HIFI ENV
476.3V
KA
L5505
NC
22uH
0305
V.REC_ST_H
HIFI_H.SW
FROM IN/OUT
FRONT_A_IN_L
FRONT_A_IN_R
TO SOUND AMP
AUDIO_OUT_R
AUDIO_OUT_L
FROM/TO Y/C/AUDIO/HEAD AMP
TU2_AUDIO
FSC
HF1
NORMAL_A
Y/C_AUDIO
HF2
HF_COM
FROM/TO MICON
V.REC_ST_H
HIFI_ENV
HIFI_H.SW
SCL
SDA
ST_SELECT
VCR_A_MUTE
FROM POWER
P.CON+5V
P.CON+9V
GND
8
7
6
5
4
C5529
150V KA
R5516
3
10K
680P CH
R5508
C5564
10K
C5557
C5537
680P CH
150V KA
3
W813
R5514
W802W805
R5507
47K 1/4W
W815
2
W821
47K
W807
W806
2
W820
W819
REAR_A_IN_R
1
THE DC VOLTAGE AT EACH PART WAS
NOTE:
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK
AB C
No.51987 No.51987
FRONT_A_IN_R
REAR_A_IN_R
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
FRONT_A_IN_L
AUDIO SIGNAL(REC)
AUDIO SIGNAL(PB)
DEF GH
2-23
2-24
PCB010
VMA245
1
Page 15
[SYSCON PCB POWER SCHEMATIC DIAGRAM]
AB C D E F GH
8
TV-20F243
TV-20F243
POWER SCHEMATIC DIAGRAM
(SYSCON PCB)
8
7
12.6 8.2
REG.
FROM/TO TV POWER
CP601
(CD404)
003P-2100
1
GND
CD601
(CP403)
6
5
4
3
CH01408A
1
GND
FROM TV POWER
(CP810A_1)
CP810B
B2013H02-11P
GND
1
GND
2
3
AT+12V
4
MOTOR_GND
5
UNREG+8V
6
UNREG+8V
7
AT+13V
8
AT+30V
9
X-RAY STOP
10
11
R690
1K 1/2W
9V REG IC
IC602 KIA78R09API
C608
1F
NC
NC
1234
150V YK
C643
SWGNDOUTIN
0.3
8.29.012.6
W879
R644
C677
W990
100 1/4W
4735V YK
D604
SB10-03A3
7.8
5.5
7.5
5.2
REG.
Q602
KTC3203_YT
C680_1
5.5
2250V MHE
5.2
REG.
Q603
KTC3203_YT
HS603_1
763WAA0081
C684_1
7.8
5.6
2250V YK
5.2
REG.
Q605
2SC13840W
R663
R662
IC603 KIA78R05PI
1234
100
100
5V REG.IC
5.2
7.8
REG.
Q606
5.6
2SC13840W
R682
100
2216V KA
C685
SWGNDOUTIN
8.85.27.7
0.3
R669
1K 1/4W
R668
470 1/4W
R667
15 1/4W
8.8
C688_2
Q608
2SC13840W
R686
100
150V MHE
C694
1006.3V YK
W996
W850
TO Y/C/AUDIO/HEAD.AMP
P.CON+5V
GND
TO IF
P.CON+9V
TO MICON
AT+12V
MOTOR_GND
AT+5V[UCON]
AT+5V[BACKUP]
P.CON+5V
GND
TO IN/OUT
AT+5V[UCON]
GND
TO SOUND AMP
P.CON+9V
P.CON+5V
GND
FROM/TO CHROMA/IF
5.7VREF[PCON]
5.7VREF[AT]
8.7VREF
AT+30V
P.CON+5V
P.CON+8V
P.CON+5V[CHROMA]
P.CON+5V[TU1]
GND
CHROMA+13V
TO HI-FI
P.CON+5V
P.CON+9V
GND
TO MICON
STANDBY-H
7
6
5
4
3
2
THE DC VOLTAGE AT EACH PART WAS MEASURED
NOTE:
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
ARESINCE THESE PARTS MARKED BYCAUTION:
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
ETANTLES PIECES REPAREES PAR UNATTENTION:
PCB010
VMA245
1
AB C
No.51987
DEF GH
2-262-25
No.51987
2
1
Page 16
[SYSCON PCB IF SCHEMATIC DIAGRAM]
ABC D E F GH
8
TV-20F243 TV-20F243
IF SCHEMATIC DIAGRAM
(SYSCON PCB)
8
7
TO CHROMA/IF
MONITOR_V
AGC_R
AGC
6
5
4
TO Y/C/AUDIO/HEAD AMP
VIDEO_OUT
VIDEO_OUT
W982
7
6
5
4
MONITOR_V
FROM POWER
P.CON+9V
AGC_R
3
+9V
TP6001
NC
W970
2
PCB010
THE DC VOLTAGE AT EACH PART WAS
NOTE:
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK
1
ABC
No.51987 No.51987
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
DEF GH
2-27
THE RESISTOR MARKED F IS FUSE RESISTOR.NOTE:
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
IS NON POLAR ONE.
2-28
TUNER VIDEO SIGNAL
VMA245
3
2
1
Page 17
[MAIN PCB TV POWER SCHEMATIC DIAGRAM]
AB C D E F GH
TV-20F243
TV-20F243
8
5A 125V
CAUTION:
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
REPLACE ONLY WITH THE SAME TYPE FUSE
5A 125V(F501)
ATTENTION: POUR UNE PROTECTION CONTINUE LES RISQUES D'INCEIE
N'UTILISER QUE DES FUSIBLE DE MEME TYPE
5A 125V(F501)
7
6
5
4
3
2
DEGAUSS
8R200024
AC120V_60Hz
CD501_1
0R414903
WIDE
BLADE
COIL
L503
BLACK
WHITE
21
CP502
A1561WV2-2P
1
2
PH001
003P-2100
S501
S502
RY501
ALKS321
TH501_1
ZPB45BL3R0A
1
FH502
EYF-52BC
VR502 1K
+B ADJ
R514
003P-2100
51MS050LCC
METAL
2.7K +-1%
3
PH002
5A 125V
F501
5A125V
1
D516
1SS133
EYF-52BC
12
4
FH501
R553
R554
0.2
C554
0.01 B
6.0
FEED BACK
SWITCHING
Q507
KTC3198-AT
(Y,GR)
39K 1/4W
18K 1/4W
D517
RELAY DRIVE
KTC3198-AT(Y,GR)
0.6
0
R500
2.7M 1/2W
C505
0.22275V PHE840
6.3
5.4
D528
MTZJ4.7B
Q504
R525
R532
MTZJ5.6B
L501
1R5A472F24
470
1K
10K
R515
R513
10K
34
12
FEED BACK
IC506
LTV-817M-VB
7.3
2
6.3
TV POWER SCHEMATIC DIAGRAM
(MAIN PCB)
8
DEGAUSS_H
UNREG+8V
AT+30V
STAND_BY_H
FROM/TO DEFLECTION
PROTECT
+B
SOUND+B
DEGAUSS_H
AT+13V
POWER_FAIL
VCR.POWER_H
SOUND_GND
GND
FROM/TO POWER
CP810A_1
52147-1010
GND
GND
NC
AT+12V
MOTOR_GND
UNREG+8V
UNREG+8V
AT+13V
AT+30V
ST.BY_H/CAP_VCO
(CP810B)
7
6
5
1
2
3
4
5
6
7
8
9
10
4
3
2
W810
PROTECT DRIVE
Q502
2SA1624
C502
0.1 B
D505
SB290S
D519
SB290S
D509
SB290S
C524
D510
RU2AM-EIC
C517_1
0.00222KV R
D533
1SS133
100025V YK
C520_1
T501_1
81350774
DC IN
0.001250V KX
C533
0.001250V KX
C530
R501
17W
C506
0.1275V PHE840
1
16.9
R523
34
1.4
1K
R538
1.5M 1/2W
0 4.4 11.4
56
IC501
TEA1507P/N1
POWER CONTROL IC
DEM Isense
1K
R531
DRIVER
CTRL
C541
4.7 1/4W
R533
470
NC
0
78
0.022 B
HVS
NC
GND
R522
POWER
Q501
2SK3326(2)
4.7
R534
R535
22K
1K
C543
0.47 F
DRAIN
VCC
1234
16.701.21.3
4725V YK
C542
G
R527
D
S
176.0
0
0.1 1W
D508
1N4937
R516
680K
R510
W802
2
4
3
B502
W4BRH3.5X6X1.0X2
0.00152KV R
C540
D504
11E1-EIC
HS501
763WAA0166
D524
11E1-EIC
R511
22 1/2W
D507
1SS133
680K
C529
0.0022250V KX
D501
GBL06L-6177
1
C504
R529
0.22 1W
C507
0.0012KV R
89
7
6
5
COL
NC
3
NC
470200V UP
ADJ
2
GND
1
SB
SG
10
11
HG
12
8V
13
LG
14
15
13V
12V
16
W801
IS THE LIVE CONNECTIONCAUTION:
R507 100 1/4W
C510
10100V MHE
R506
22K 1/4W
R504
2.2K 1/4W
R502
0.56 2W
100016V YK
53
220200V YXF
C521
W804
C503
0.1 F
C518
470P500V B
D514
SB290S
D512
SB290S
D506
1N4937
1050V YK
C537
W809
R512
22K 1W
D523
SB290S
C501
470P2KV R
W821
+B
TP501_1
SWITHING
Q505
2SC2909
C531
C523
R505
1K 1/4W
1SS133
31.5
R518
10K 1/4W
470
25V
D525
SWITHING
Q503
2SA1371
30.9
R519
3.5
0
220016V MHE
MHE
D526
1SS133
31.4
270K 1/4W
C528
4.8
SOUND+B
D515
0.022 B
R520
47K
UNREG+8V
AT+13V
POWER_FAIL
UNREG+8V
SOUND+B
+B
AT+30V
MTZJ33B
PCB070
STAND_BY_H
1
THE RESISTOR MARKED F IS FUSE RESISTOR.NOTE:
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
IS NON POLAR ONE.
AB C
No.51987
THE DC VOLTAGE AT EACH PART WAS MEASURED
NOTE:
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
ARESINCE THESE PARTS MARKED BYCAUTION:
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
ETANTLES PIECES REPAREES PAR UNATTENTION:
DEF GH
2-302-29
No.51987
TMA524
1
Page 18
[MAIN PCB DEFLECTION SCHEMATIC DIAGRAM]
AB C D E F GH
TV-20F243 TV-20F243
DEFLECTION SCHEMATIC DIAGRAM
(MAIN PCB)
8
7
6
5
4
3
2
FROM/TO POWER
CD402
(CD302)
CH01004A
1
GND
FROM/TO CHROMA/IF
CP403
003P-2100
1
GND
FROM/TO CHROMA/IF
(CP820B)
CP820A
52147-1310
1
SOUND+B
2
SOUND_GND
3
H.OUT
4
GND
5
V.FEEDBACK
6
V.OUT
7
ACL
8
H.PULSE
9
PROTECTER
10
POWER_FAIL
11
X-RAY TEST
12
VCR_POWER_H
13
DEGAUSS_H
FROM/TO TV POWER
DEGAUSS_H
VCR.POWER_H
SOUND_GND
SOUND+B
POWER_FAIL
AT+13V
GND
PROTECT
V.OUTPUT
IC401 LA78040
Vcc GND
1234567
3.9 25.5 1.3 0 12.9 24.8 3.9
D401
R412
1.2K
W835
+B
56
AMP
+
11E1-EIC
54
THERMAL PROTECTION
PUMP UP
10035V YK
C406
H-DRIVE
Q405_2
KTC3227_Y-AT
C419
2
2
CD506
JM-2W-96
+B(A)
HS401_1
763WSAA013
4716V YK
1
CP506
RF-H022TD-1190
1
+B(B)
TO DY
R421
1K 1/2W
57
0.39250V ECWF
L402
ELH5L4113
R448
1K 1W
C450
0.0012KV R
C431
22250V YK
D410
MTZJ6.8B
C430
C421
0.001500V B
47035V MHE
C439_1
R423
10K 1/4W
C429_1
D411
1N4937
180P500V B
D413
0.0022500V B
R450
6.8 2W
1N4937
FB401_1 3220054R
COL
1
E180
6
B+
2
AFC
9
HEA
TER
10
GND
8
E12
NC
4
E27
3
GND
8
E8
NC
5
R453
100K 1/4W
R490
22K 1/4W
ABL
C432
GND
HV
F
S
0
11
7
0.1100V MKT
W854
R417
R419
680 1/2W
R467
C434
55
W816
100 1/4W
763WSAA013
2250V YK
1 1/2W
0.22100V MKT
HS402
680 1/2W
D412
RMPG06J
W817
R463
470 1/2W
METAL
VR402
V.POSI
1K
R407
1.8K 1/2W
R464
470 1/2W
1250V MHE
C422
L401
0909
4.7mH
R447
150 1/2W
W823
247.6
H.OUTPUT
Q406_1
1.3
2SD2499
0
C428_2
W814
C423
0.0131.5KV MPP
R413
39K +-1%
R411
22K +-1%
R401_1
D406
100 2W
1SS133
0.033100V MKT
C417_1
14.3
0
0
D409
HZ11B3L
R456
120 1/2W
V.LINEARTY
150V YK
C405
31.0 0
0.2
22.3
C418
R443
3.3K +-1%
R444
15K +-1%
R416
15K +-1%
METAL
VR401
47K
D405
1SS133
T401_1
ETH14Y47AY
NC
45
3
2250V YK
SWITHING
Q403
KRC111MAT
SWITHING
Q404
KTA1266-AT
(Y,GR)
C407_1
R418
R402
150 2W
12
1.3
0
R431
17.9
R442
12K +-1%
17.9
220025V YK
1 1/2W
0
17.910.0
D403
MTZJ30B
D404
MTZJ30B
R460
C433
10K
10K
R428
CP401
A1561WV2-A5P
CP803A
B2013H02-6P
PCB070
TMA524
NC
180V
NC
NC
GND
GND
HEATER
(CP803B)
5
4
3
2
1
A51LVV896X01(O)
9
10
8
6
11
FOCUS
SCREEN
180V
6
NC
5
NC
4
GND
3
GND
2
HEATER
1
CD803
WDL6030038
V801
R
G
B
175
21
CD802
CU823001
TO CRT
TO CRT
DEFLECTION SIGNAL
8
7
6
5
4
3
2
THE DC VOLTAGE AT EACH PART WAS MEASURED
1
NOTE:
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
AB C
No.51987 No.51987
THE RESISTOR MARKED F IS FUSE RESISTOR.NOTE:
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
IS NON POLAR ONE.
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
DEF GH
2-31
2-32
ETANTLES PIECES REPAREES PAR UNATTENTION:
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
ARESINCE THESE PARTS MARKED BYCAUTION:
CAUTION: DIGITAL TRANSISTOR
1
Page 19
[DIGITAL COMB FILTER SCHEMATIC DIAGRAM]
AB C D E F GH
8
TV-20F243
TV-20F243
DIGITAL COMB FILTER SCHEMATIC DIAGRAM
(SYSCON PCB)
8
7
C903_1
L901
820uH
27K
R901
5.4
1.9 2.5
1K
R903
1K
C914
3.350V KA
24K
R904
C923
150P CH
R905
1K
FROM/TO CHROMA/IF
CY901
560
C922
220P CH
L902 150uH
(CP604)
IMSA-9130S-06L
MONITOR V.OUT
Y_IN
C_IN
GND
FSC
P.CON+5V
6
5
4
3
2
1
6
5
1K
R913
IC901 TC90A45F
DIGITAL COMB FILTER IC
C913
0.01 B
C904
C901
C902
0.01 B
1
2345678
SS
VRB
VRT
AV
DD
OUT
BIAS2
AV
Y
5.4 3.8 1.4 4.2 3.6 2.2 2.5 0
C912
4
5.0
10uH
0.1 B
56P CH
0305
C924
6.8K
R912
1.7
100P CH
R911
3.3K
R910
BUFFER
Q903
2SC2412K
1.1
1K
R909
100
L904
C921
C920
27P CH
0.01 B
0.01 B
15uH 0305
ADIN
OUT
C
L903
C905
C911
0.4750V YK
0.01 B
BIAS1
BIAS3
0.01 B
R914
C910
TEST
VFIL
C909
C919
C907
4706.3V YK
C906
0.01 B
00 2.4 3.0 2.6 2.6 0 5.5
DD
DV
KILLER
SS
CKIN
DV
10111213141516
9
820
C908
100P CH
180P CH
0.01 B
C916
4716V YK
C917
0.01 B
2SC2412K
120P CH
BUFFER
Q902
4.4 2.1
2.4
BUFFER
Q901
2SC2412K
R902
R906
R908
1.2K
7
6
5
4
3
PCB300
VEA975
2
1
THE RESISTOR MARKED F IS FUSE RESISTOR.NOTE:
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
IS NON POLAR ONE.
THE DC VOLTAGE AT EACH PART WAS MEASURED
NOTE:
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
TUNER VIDEO SIGNAL
LUMINANCE SIGNAL
3
2
1
COLOR SIGNAL
AB C
No.51987
DEF GH
2-342-33
No.51987
Page 20
[CRT PCB SCHEMATIC DIAGRAM]
AB C D E F GH
8
TV-20F243 TV-20F243
CRT SCHEMATIC DIAGRAM
(CRT PCB)
8
R
TP804
RED AMP
Q801
KTC4217(O,Y)
D801
1SS133
G
TP805
GREEN AMP
Q802
KTC4217(O,Y)
1SS133
2.4
D802
R804
12K 2W
L802
82uH
0607
121.6
2.1
R810
1.8K
R806
12K 2W
W827
121.6
2.2
1.9
R811
1.8K
RED AMP
Q810
2SC1740S
3.0
R817
220
GREEN AMP
Q811
2SC1740S
3.0
R819
7.3
2.4
56
R805
C804
680P CH
7.3
2.4
56
R807
220
C805
560P CH
R829
2.7K 1/4W
R828
2.7K 1/4W
132.5
104.1
5
4
0
0
W853
58
W849
60
7
6
R813
220
5
FROM CHROMA/IF
CP805
(CP805B)
52147-0510
5
GND
4
4
CUT_OFF
3
G.OUT
2
R.OUT
1
B.OUT
R814
220
CRT PCB
132.9
678
0
9
10
11
1
F
J801
CVT3275-5101
7
6
5
132.8
4
B
TP806
3
BLUE AMP
KTC4217(O,Y)
R815
2
PCB110
TCA382
THE DC VOLTAGE AT EACH PART WAS MEASURED
1
NOTE:
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
220
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
AB C
No.51987 No.51987
Q803
D803
1SS133
R808
12K 2W
L804
82uH
0607
121.4
2.3
2.0
R812
1.8K
W850
59
BLUE AMP
Q812
2SC1740S
R821
7.3
3.1
2.5
56
R809
C806
220
680P CH
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
DEF GH
R830
2.7K 1/4W
C807
220P CH
FROM DEFLECTION
2-35
L801
100uH
C814
GND_A
GND_A
(CD802)
GND
GND
CP802_1
A2361WV2-2P
1
2
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
2-36
3
2.2250V YK
C808
0.0012KV R
W808
180V
ACCESSORY
NC
NC
GND_A
GND_A
HEATER
TM101
RC-DQ
BL001
WEV1020-9004
2
R.SIGNAL
GND
180V
B2013H02-6P
ARESINCE THESE PARTS MARKED BYCAUTION:
GND
HEATER
456
123
BT002
R03(AB)E_20_T
UM4
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
BT001
R03(AB)E_20_T
UM4
ETANTLES PIECES REPAREES PAR UNATTENTION:
G.SIGNAL
B.SIGNAL
1
FOCUS
S801
(CP803A)
CP803B
Page 21
[OPERATION & AV PCB SCHEMATIC DIAGRAMS]
AB C D E F GH
TV-20F243
TV-20F243
OPERATION SCHEMATIC DIAGRAM
(OPERATION PCB)
8
7
SPEAKER
SP352
SG08G35BRA
8OHM
FROM/TO IN/OUT
CD702
CH2B032A
1
FRONT_VIDEO_IN
2
GND
FRONT_AUDIO_IN_L
3
4
SOUND_GND
5
SOUND_OUT_L
6
SP_OUT_L
7
GND
8
FRONT_A_IN_R
9
10
SOUND_OUT_R
11
SP_OUT_R
CD356 CH12440A
1
SP_OUT L+
2
SP_OUT L-
38
W809
W806
NC
39
C352
4716V KA
220 1/2W
R351
C353
4716V KA
R352
220 1/2W
6
W807
5
4
SPEAKER
SG08G35BRA
3
2
FROM/TO IN/OUT
CD757_1
CH2A012A
REMOCON_OUT
1
2
3
4
5
6
T-REC_LED
7
REC_LED
8
9
ON_TIMER_LED
10
CD355 CH12435A
1
2
SP351
FROM/TO OPERATION
8OHM
(CD704)
CP704 8283_1312_00_000
1
FRONT_VIDEO_IN
2
FRONT_AUDIO_IN_L
3
4
SOUND_GND
5
SOUND_OUT_L
6
7
8
FRONT_A_IN_R
9
SOUND_OUT_R
10
SP_OUT_R
11
EARPHONE_L
12
EARPHONE_R
13
(CP4201)
GND
AT+5V
KEY-A
KEY-B
SP OUT R+
SP OUT R-
GND
SP_OUT_L
GND
R754
270 1/4W
T-REC
D791
D793
REC/OTR
SLR-342MCT32
R793
SLR-342VCT32
CS KANTAN/ON TIMER
270 1/4W
D794
R794
SLR-342VCT32
270 1/4W
SW795
REC/OTR
SW798
CH UP
R771
1K 1/4W
EVQ21505R
R776
1K 1/4W
EVQ21505R
R778
820 1/4W
C781
SW751
0.001 B
EVQ21505R
C779
POWER ON/OFF
0.001 B
SW799
CH DOWN
R775
820 1/4W
EVQ21505R
NC
NC
SW791
STOP/EJECT
SW796
VOL UP
R772
1.5K 1/4W
EVQ21505R
R777
1.5K 1/4W
EVQ21505R
PLAY
SW792
SW797
VOL DOWN
R773
2.7K 1/4W
EVQ21505R
EVQ21505R
FF/CUE
SW793
R774
5.6K 1/4W
EVQ21505R
REW
SW794
R766
EVQ21505R
C755
100 1/2W
2206.3V KA
C751
100P B
0
3
4.8
2
4.8
1
OS753
PIC-28143TC5
GND
B+
Vout
(AV PCB)
H
E
1
2
H
W812
HEADPHONE_JACK
J351
1
5
4
3
2
6
7
HTJ-035-28A
W813
NC
W804
4
H
6
7
NC
E
3
E
5
FRONT AV JACK
J701_1
JPJ1187-010010
FROM/TO AV
CD704
CH2D001A
FRONT_VIDEO_IN
FRONT_AUDIO_IN_L
SOUND_OUT_L
FRONT_A_IN_R
SOUND_OUT_R
NC
(CP704)(CP4202)
GND
SOUND_GND
SP_OUT_L
GND
SP_OUT_R
EARPHONE_L
EARPHONE_R
PCB030
TEXA45
8
1
2
3
4
5
6
7
8
9
10
11
12
13
7
6
5
4
3
2
TUNER VIDEO SIGNAL
AUDIO SIGNAL
PCB250
TEXA46
1
AB C
THE DC VOLTAGE AT EACH PART WAS MEASURED
NOTE:
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
No.51987
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
DEF GH
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
2-382-37
ARESINCE THESE PARTS MARKED BYCAUTION:
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
ETANTLES PIECES REPAREES PAR UNATTENTION:
No.51987
1
Page 22
PATTERN DIAGRAMS
[MAIN/CRT PCB PATTERN (INSERTED PARTS)]
TV-20F243 TV-20F243
CD402
D411
Q811
D802
Q802 Q803
W827
TP805
TP806
R808
R806
C429_1
W849
L804
C428_2
Q812
Q406_1
W816
L802
W850
D803
D801
TP804
Q801
FB401_1
R447
CP805
Q810
R804
C814
W823
W853
R830
L801
C423
W817
HS402
CP803B
L401
W028
J801
C422
CP401
C450
R829
L402
CP803A
C430
R411
R418
W026
D413
R413
W029
R416
R407
R460
W854
R463
C407_1
D404
R419
R828
R490
C432
C431
VR401
R448
VR402
R464
C406
C405
W027
C418
R467
R417
W025
CP802_1
R423
W019
W835
W814
C439_1
D412
W015
R421
D401
D403
D406
C434
R402
R450
Q404
W017
IC401
W808
D410
R442
C421
W023
R401_1
HS401_1
R456
C417_1
C808
Q403
C433
D405
R453
W014
W024
S801
W020
TP501_1
W021
W804
W018
CP506
Q502
C510
C520_1
Q405_2
CP403
R518
R505T401_1
R504
R
R506
CP820A
W016
W012
W008
Q503
502
512
R
D526
W011
R554
D510
C531
C521
D523
C537
W005
D515
R519
W009
C518
C517_1
D506
Q504
D519
D409
W007
W013
R443
Q505
C503
D505
D509
D512
W801
C501
D516
R444
W036
D517
R507
D514
C419
C524
CP810A_1
D533
D525
T501_1
C523
RY501
R553
W006
C533
Q507
W821
R514
VR502
D528
W809
C530
TH501_1
IC506
W003
PH001
PH002
D508
W034
W035
W802
R500
R529
R501
R511
C542
W004
CP502
D507
R538
C507
C540
C506
D501
C543
IC501
B
W001
502
D524
C504
C529
FH502F501FH501
5A125VOR250V
AS MARKED.
- REPLACE
RISK OF FIRE
D504
R527
Q501
R522
L501
HS501
S501
CD501_1
S502
C505
No.51987 No.51987
2-39
2-40
Page 23
[MAIN/CRT PCB PATTERN (CHIP MOUNTED PARTS)]
TV-20F243
TV-20F243
C807
C502
R513
R515
W810
R412
R817
R810
R805
C804
R813
R812
R815
R821
R809
C806
R811
R814
C805R807
R819
R534
No.51987
R535
R533
R531
C541
R516
R523
R510
R525
C554
R532
C528
R520
R428
R431
2-422-41
No.51987
Page 24
[SYSCON/COMB PCB PATTERN (INSERTED PARTS)]
TV-20F243 TV-20F243
W383
W379
SW1001
W374
W373
C914
W356
C1003_1
W370
W369
W365
W364
W959
L904
W372
L903
W358
Q1003
C1021
W368
W357
W353
W388
D1002
W869
W349
Q1005
X1001
W367
Q1009
R1040
W362
CY901
W246
C907
W908
W271
W402
W303
L1001
C1011
R1046
X1002
W295
C903_1
R2211
W286
W284
W282
W294
IC1099
C916
W322
W321
L901
R1052
W304
C1026
CP2201_2
W254
R1002
W863
W340
L902
W267
R1066
W279
W866
W292
W266
R1062
W395
W862
D4003
W854
W265
W252
W287
D1003
W315
W313
W328
W264
W301
W290
W320
W319
W318
W316
W263
W312
W311
W310
W250
W305
W309
W306
W253
R1013
R1009
W331
W255
W243
W874
W855
W249
W242
W291
W327
W261
W241
W278
W302
D5501
R4048
R4026
W853
W324
W323
L5504
Q
Q
1002
W256
W244
W205
W317
L5503
W307
1013
W259
W251
W285
W300
W210
C5531
W260
W289
W274
L4005
L4006
C5523
L5506
W868
W277
W272
W212
W211
W208
C4057
W314
W245
W276
W273
R4033
L5501
C5512
W258
W850
W275
W332
W248
C671_1
W288
W281
W299
C4067
C4065
C5510
W819
W828
C1015
R1016
R1006
W187
L4009
C4058
C5534
W198
W185
C4052
C4062
C1002
W225
C4047
C4049
X4001
C5501
C1020
R1024
W220
W206
W232
W883
C1016
W860
W193
W192
W221
C4042
C4053
W231
W227
W240
W238
CP4202
W178
C1018
W195
W219
R4036
C5509
CP4
P
C
W194
L4004
C4050
W234
W233
D1014
01
10
C4048
C5536
00
W173
W197
3
W177
R610
W183
W218
C4063
L4001
R1039
W169
W167
W190
C4051
W236
W171
W182
C5538
W237
W176
W186
C4045
R5501
W170
C4009
W199
R4059
W184
C4046
W230
L5505
W942
W405
W202
Q4002
W224
C4035
C5518
TP1001
W174
W200
Q4006
Q4001
W229
TP1002
C4034
W228
TP5502
W189
W223
W215
C5550
C5516
TP4001
W214
C4030
CP4001
W988
C5526
TP5501
W168
T4001
W217
W213
W088
C4023
C4012
C5525
W406
W130
C4031
C4027
W823
C4002
W209
C5532
W226
W087
W106
W104
W101
W100
W098
R4004
C4025
L4007
W142
C5547
C5537
C5527
W086
W063
W060
W059
W824
L4003
W097
CP4002
C4004
Q4005
C5539
W085
W072
C5533
C5529
C741
D1001
W122
W151
W857
C5548
W996
W082
D616
C4010
W134
D618
W094
W092
W091
W152
W149
L4008
R5507
W076
D617
R685
R683
W089
W131
W851
W133
W099
W938
W118
W112
CD604
W939
W143
C5552
D619
D608
D612
C664
W126
L608
W132
W154
CP601
Q602
W069
W102
D620
D609
W129
W127
W123
W166
Q603
C659
R607
C665
W158
W157
W103
W121
W951
W084
D604
W108
D606
W125
D613
W164
W991
R635
C680_1
W107
D621
W093
R642
C683
Q606
W058
W128
D607
W921
CP604
C694
R636
R651
W090
R667
C685
C692
C645
C655
W119
D605
W135
W161
W933
X602
C632
CP820B
R668
IC603
HS603_1
C688_2
W071
W399
C635
C674
C624
D602
W919
W150
W145
W163
R669
W081
W080
W078
W075
W073
CP805B
R677
D601
W144
R688
W062
D603
C649
C620
C677
CF601_1
W096
L610
CF604
L618
W146
W140
B301
C321_2
W050
Q608
CF603
C648_1
L607
L620
W042
W139
W137
R359
R353
R644
R603
W930
W124
W054
R602
W019
C641
W859
W028
W153
W009
W990
L613
W018
W039
W047
C315
W947
IC602
W394
L302
C323
C301
C311
L601
W012
W029
W010
W982
W046
W055
C684_1
W008
IC301
IC352
W051
W049
W879
W013
C357
C643
Q605
W003
R601
W809
C312
C325_1
W022
W031
HS353
TU601
W856
W053
L604
R309
W025
W043
W052
CD601
W001
CP810B
W007
W045
R310
C317
R357
W006
W004
R690
W002
TP6001
W030
L301
C612
W034
W810
C350
C610
W037
W033
CP602
W970
W048
W403
W041
C309
C314
CD302
No.51987 No.51987
2-43
2-44
Page 25
[SYSCON/COMB PCB PATTERN (CHIP MOUNTED PARTS)]
Q350
W945
W057
R625
R656
C307
C305
C303
R303
R304
R358
C316
R305
W920
R308
R673
C625
C627
R302
R609
W928
W943
C628
Q601
C629
R672
R618
R622
C640
C636
R608
C618_1
C626
R614
R655
W985
R620
C621
C622
Q651
R679
R657
W393
C651
C656
R681
C676
R616
C654
C650 R633
33
49
IC601
1
C639
C634
R630
R626
C734
R692
R313
R605
C310
C608
R311
C308
C319
W808
C613
R306C302
C318
R317
R316
C602
R318
R307
C306
C304
R5526
C615_1
W803
R646
C661
17
R624
R634
C699
C614
C658
R631
R658
C644
C670
C630
C623_1
C700
R643
C653
R659
C647
R682
C633
C601
R649
R662
C669
W924
Q604
R641
R638
R652
R660
R661
C660
R648
Q609
R663
W401
R5525
R647
R684
R627
R5508
C5564
R5514
C4014
R4011
TV-20F243
R5516
C5557
C5546
C5544
C5543
C4022
R4005
R4014
R4061
R693
C5524
C5545
C4020
C4077
R4019
C4029
R4020
17
C4075
R4017
R4018
R4057
C4033
R4021
C5551C5542
C4028
R4010
Q1008
R1047
R4012
C4083
C4032
R4024
R4023
R4001
C4005
IC5501
1
R4022
R4069
Q1007
C5515
1
33
C4055
C4037
C4036
C4021
C4006
C5513
C4019
61
IC4001
21
R4058
C4071
R5502
49
R5510
C4016
R4065
R4025
Q4013
R4002
R4003
C1041
W952
C4086
R4029
Q4007
C4038
R4062
R4060
R4046
R4047
TV-20F243
C4222
C5556
W818
C5506
R5512
C5507
C5508
C5530
C5541
R4038
41
C4061
C4054
R4032
Q4009
C4082
R4028
C4044
R4044
R4045
Q4003
C1030
W806
C5514
C5540
C4078
R4034
R1007
R1014
R5503
R5518
C4060
W801
R4035
R1028
C4204
C5519
R4041
Q4010
C5521
C4069
R4039
C4066
R4043
R4056
W807
C5502
Q4012
C4041
R1008
R4201
C4203
W813
C5562_1
C4064
R4042
R4054
R1021
R1077
W805
C5549
W852
C1067
R1029
C4218
W820
W404
W961
C1071_1
C1010
R1042
R1038
C1065
W815
R1035
C1023
R1044
C4059
R1045
C1029
C1028
R1001
C5522
R1036
R1020
W821
W802
C5555_1
C1009
R1043
R1017
W992
R687
R1053
C1013
C1001
R1012
R4055
C4043
C1019
Q1006
C1062
81
C1022
Q1004
R1033
C1037
R2212
C5560
C5561
R1034
C1031
C1035
C1027
Q1014
R5521
C1038
IC1001
1
R1003
R5520
R5517
51
W871
C917
C1056
C1034
31
R902
R1058
C904
R1004
R1031
Q4206
C905
C906
R1032
C1050
R1083
C1006
Q4205
C1014
C1049
C908
R1049
C1017
C1008
C4201
IC901
C909
C1047
C1048
R1011
R1087
Q4201
R914
C1046
C1040
IC1002_1
C910
W817
C912
R909
C911
C901
R910
C913
Q903
R913
R911
C902
C924
R1050
Q901
R1019
R912
R1018
R1051
R901
C921
R903
Q902
C6309
C920
R904
C923
R908
C919
R906
C922
R905
No.51987
R686
Q4204
S807Y
2-462-45
S807X
C4205
No.51987
Page 26
[OPERATION PCB PATTERN]
TV-20F243 TV-20F243
[AV PCB PATTERN]
CD702
SW751
CD356
C751
OS753
C781
W021
W002
D793
D791
D794
C755
R793
R794
R766
SW791
R771
CD355
W809
W806
R774
SW794
W001
R778
CP704
W011
J701_1
W012
R772
R754
SW792
W018
W017
W804
C353
W019
J351
W813
W003
W006
R773
W007
SW793
W004
W812
W020
W014
W013
W008
C352
W807
SW795
R352
R351
C779
W015
W016
CD704
R775
SW799
W009
SW798
R777R776
CD757_1
SW797
SW796
No.51987 No.51987
2-47
2-48
Page 27
WAVEFORMS
TV-20F243
TV-20F243
Y/C/AUDIO/CCD/HEAD AMP
PB
0.5V
20µs/div
1
POWER ON
100mV
0.1µs/div
2
PB
10mV
20us/div
MICON
POWER ON
0.5V
10ms/div
7
POWER ON
1.0V
10µs/div
8
PB
1.0V
10ms/div
PB
1.0V
0.5ms/div
12
OPERATION
1.0V
1ms/div
38
1.0V
1ms/div
5V
20µs/div
55
1V
10ms/div
56
0.5V
5ms/div
20.0V
20µs/div
60
PB
0.5V
1ms/div
REC
10.0V
5us/div
3
4
PB
1.0V
5ms/div
10
9
39
TV POWER
REC/PB
5V
0.1ms/div
53
57
CRT
20.0V
20µs/div
58
DEFLECTION
PB
0.5V
0.5ms/div
5
11
0.5V
20µs/div
54
20.0V
20µs/div
59
The following waveforms were measured at the point of the corresponding
NOTE:
balloon number in the schematic diagram.
No.51987
The following waveforms were measured at the point of the corresponding
NOTE:
balloon number in the schematic diagram.
2-502-49
No.51987
Page 28
JVC SERVICE & ENGINEERING COMPANY OF AMERICA
DIVISION OF JVC AMERICAS CORP.
Head office :
East Coast :
Midwest :
West Coast : 5665 Corporate Avenue, Cypress, California 90630 (714)229-8011
Southwest : 10700 Hammerly, Suite 105, Houston, Texas 77043 (713)935-9331
Hawaii : 2969 Mapunapuna Place, Honolulu, Hawaii 96819 (808)833-5828
Southeast : 1500 Lakes Parkway, Lawrenceville, Georgia 30243 (770)339-2582
1700 Valley Road, Wayne, New Jersey 07470 (973)317-5000
10 New Maple Avenue, Pine Brook, New Jersey 07058 (973)396-1000
705 Enterprise St. Aurora, Illinois 60504
(630)851-7855
JVC CANADA INC.
Head office : 21 Finchdene Square Scarborough, Ontario M1X 1A7 (416)293-1311
Vancouver : 13040 Worster Court Richmond B.C. V6V 2B3 (604)270-1311
®
Printed in Japan
VP0202
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