– 23 –
– 24 –
– 25 –
– 26 –
6-1. BLOCK DIAGRAM
SECTION 6
DIAGRAMS
Note:The component identified by shading and
mark
!
!
!
!
!
are critical for safety. Replace only
with part number specified.
*
6-2. CIRCUIT BOARDS LOCATION
6-3. SCHEMATIC DIAGRAMS AND PRINTED WIRING BOARDS
Note:
•
All capacitors are in
µ
F unless otherwise noted.
•
All electrolytic capacitors are rated at 50V unless otherwise noted.
•
All resistors are in ohms.
k
Ω
= 1000
Ω
, M
Ω
= 1000k
Ω
•
Indication of resistance, which does not have one for
rating electrical power, is as follows.
Pitch: 5 mm
Rating electrical power 1/4W (CHIP: 1/10W)
•
: nonflammable resistor.
•
¢
: internal component.
•
: panel designation, or adjustment for repair.
•
All variable and adjustable resistors have characteristic curve B,
unless otherwise noted.
•
Readings are taken with a color-bar signal input.
no mark
: PAL
( )
: SECAM
[ ]
: NTSC 3.58
« »
: NTSC 4.43
•
Readings are taken with a 10 M
Ω
digital multimeter.
•
Voltage are dc with respect to ground unless otherwise noted.
•
Voltage variations may be noted due to normal production
tolerances.
•
All voltages are in V.
•
: Can not be measured.
•
Circled numbers are waveform reference.
•
: B + bus.
•
: B – bus.
•
: signal path.
Reference information
RESISTOR
: RN
METAL FILM
: RC
SOLID
: FPRD
NONFRAMMABLE CARBON
: FUSE
NONFLAMMABLE FUSIBLE
: RS
NONFLAMMABLE METAL OXIDE
: RB
NONFLAMMABLE CEMENT
: RW
NONFLAMMABLE WIREWOUND
: *
ADJUSTMENT RESISTOR
COIL
: LF-8L
MICRO INDUCTOR
CAPACITOR
: TA
TANTALUM
: PS
STYROL
: PP
POLYPROPYLENE
: PT
MYLAR
: MPS
METALIZED POLYESTER
: MPP
METALIZED POLYPROPYLENE
: ALB
BIPOLAR
: ALT
HIGH TEMPERATURE
: ALR
HIGH RIPPLE
C
A
V1
VM
59
60
38
41
40
36
35
34
3
6
56
2
3
4
54
12
L/H
U/V
VC
KEY1
KEY2
RESET
EXTAL
XTAL
TIMER
RESP/
IICLK0
YS
IIDAT0
BLK
NICAM
VC AMP
Q109
Q110
VC FILTER
Q108
BUFFER
AGC TU U/V L/H
51
50
49
47
25
55
53
14
26
17
48
27
16
R
G
B
MO MUTE
HSYNC
HSYNC
IICLK1
IIDAT1
SECAM
TRAP
SIRCS
VPULSE
VSYNC
HDSW
SCL 0
SDA 0
IC001
µ
-COM
Q303
G BUFFER
5
6
IC003 MEMORY
Q301
SECAM
TRAP
2
1
IC004 IR DET
+5V
S901
S902
S903
S904
S905
CH+
CH-
VOL+
VOL–
TV/VIDEO
S906
SEL
5
4
IC002 +5V REG
1
+11V
+5V
X101
Q902
LED
DRIVE
DRIVE
LED
Q903
+5V
TIMER
D901
NICAM
ST/BY
SWF401
Q402
IF BUFFER
IF
TU101
7
9
26
27
24
22
21
L IN
R IN
MON R
MON L
TV L
TV R
L OUT
R OUT
9V
SDA SCL
R OUT
VCC 2
L OUT
R IN
L IN
5
3
12
11
TONE CONT
IC201
IC203
AUDIO OUT
Q1207, 1208
Q1265
L MUTE
L SP MUTE
Q210
Q209
Q207
Q406
Q408,409
@
R SP MUTE
VIDEO
L (MONO)
J1201
CN251
SP L
SP R
J251
HEADPHONE
MONITOR
OUT
A
SYS CONTROLLER, TU, MEMORY
IF, Y/C JUNGLE, H/V OUT
POWER SUPPLY, SECAM DECODER
AUDIO/VIDEO INPUT
18
19
20
21
48
49
54
41
34
35
26
IF IN
IF IN
AGC
DE EMP
R IN
G IN
B IN
RED
GREEN
BLUE
BLK
LUAM IN
LUAM OUT
SSCP/FBT
3.58
4.43/3.58
BLK
SCL
7
8 SDA
29
30
33
38
32
31
22
50
B-Y
R-Y
SECAM
SW OUT
R-Y
B-Y
ABL
EHTX-RAY
IC300
BUS CONTROL
X443
4.43MHz
X358
3.58MHz
Q302
BUFFER
1
20
19
12
11
IC354 SECAM
12
11
5
14
16
IC351 1HDL
TV PROCESSOR
SYNC
FILTER
SW
FILTER
SYNC
Q414
STBY
VP
CVBS
HP
Q208
CVBS IN
IF OUT
13
6
H PROT
Q030
B OUT
Q805
R OUT
Q803
G OUT
Q804
ST-BY
Q807,808
+5V
+5V
REG
Q806,D805
Q801
H DRIVE
3
1
PIN CONT
IC801 (2/2)
Q821
PIN OUT
IC801 (1/2)
VERT
NEG
EAST
WEST
VERT PDS
HDR OUT
PIN CONT
7
5
6
IC551 V OUT
2
4
Q802
H OUT
L804
DUMPER
D801, 891
S801
H SENT
FV
HV
+135V
–13V
+15V
T851 FBT
Q561
X RAY
+135V
D561
D591
Q1513
V SAW
D1505
H+
H+
H–
H–
V–
V+
DY1
CN
2
1
4
200V
DGCT
DGCT
1000V
H1
CN851
CN103
CN703
6
5
4
1
Q712
Q711
Q710
Q706
Q705
Q704
R DRIVE
G DRIVE
B DRIVE
R AMP
G AMP
B AMP
Q810
+5V
RESET
Q709
Q708
Q707
R OUT
G OUT
B OUT
R
G
B
IK
10
9
8
3
J701
1 6
1
2
4
1000V
@ @
DGC
DGC
DGC
200V
H1
CN701
G2
RV701
C (RGB OUT)
T601 SRT
+20V
+11V
+B
D601
S601 POWER
F601
THP601
1
2
DRIVE
LATCH
OVP
OSC
9
8
6
7
2
1
3
4
IC603 FEED BACK
1
2
IC602 ERROR AMP
IC601 REG SW
CN601
DGC
CN602
HV
AC IN
HDY
VDY
H+
H–
V+
V–
DY ASS'Y
IK
B
G
R
+11V
Q202
MUTE
Q1209
DE EMP
OSP MUTE 11
40
45
46
47
HOR OUT
EAST/WEST
VERT POS
VERT NEG
R
G
B
IK
1
4
2
7
9
10
5
6
11
13
17
16
15
14
13
11
2
3
4
5
8
7
T605
LFT
2
2
1
T801
HDT
H2
G4
FV
V901
PICTURE TUBE
6
5
7
V REF
RED
GREEN
BLUE
BLK
SDA 0
SCL 0
STBY
VP
HP
CVBS
RED
GREEN
BLUE
BLK
SDA 0
SCL 0
STBY
VP
HP
CVBS
Q1201, 1202
VIDEO
L (MONO)
IN 1
VIDEO
(FRONT)
(REAR)
VIDEO
IN 1
L (MONO)
VIDEO
17 CVBS IN
IC1210
IN
OUT
RESET
CLK
DAT
VIDEO
BUFFER
AMP
VIDEO
Q1204
VIDEO
BUFFER
Q1203
1
4
5
6
1
2
3
4
VM MUTE 58
R-Y
B-Y
R-Y
B-Y
SYNC
SIN
B-Y
R-Y
SREF
SYNC
+
-
1
2
3
4
5
6
5
1
CN111
CN102
VM MUTE
VM OUT
7
Q1722,1723
FILTER
VM
VIDEO
CN1701
VM AMP
Q1761
SLICE
AMP
Q1762
SHIFT
LEVEL
Q1756
VM
MUTE
5
VM MUTE
SLICE
CORRECTING
AMP
Q1764
D1763 1764
VM AMP
Q1766
VM
BUFFER
Q1767
Q1763,1765
VM
DRIVE
E
VM
VM
VM OUT, ROTATION,
V-PIN DF CIRCUIT
VM
NECK
ASSY
+9V
REG
+9V
IC521
X801
12MHz
9V
4 L IN
1 R IN
27
28
24
25
55
23
2
1
1
3
CN603
8
R OUT
G OUT
B OUT
BLK
SDA
SCL
RED
CN5801
GREEN
BLUE
BLK
SDA 0
SCL 0
STBY
VP
HP
CVBS
RED
GREEN
BLUE
BLK
SDA 0
SCL 0
STBY
VP
HP
CVBS
VP
HP
INT CVBS
RESET
X OUT
X IN
34
43
IC801
TEXT-DECODER
VCC2
SW
3
6
8
2
AMP
VIDEO
52
B-INT
B-INT
B DAT
B CLK
CN101
15
STBY 30
1
2
3
4
6
7
8
9
10
11
V1
(TELE TEXT)
42
41
33
32
37
36
23
50
35
49
1
2
3
4
6
7
8
9
10
11
G
D
S
B1 E1
C2
B2 C1
E2
2
3
4
5
6
7
8
9
0
!¡
!™
!¢
!§
!¶
!•
–
1
G
D
S
B2 E2
C1
B1 C2
E1
B2 E2
C1
B1 C2
E1
B2 E2
C1
B1 C2
E1
!ª
B1 E1
E2
C1(B2)
C2
@º
B1
E2
C1
C2
@™
@£
(B2)
E1
(B2)
E1
E2
B1
C2
C1
@¡
B1
E1
C2
B2
C1
E2
G
S
S
D
G
D
B1
E1
C2
B2
C1
E2
B1
E2
C2
C1(B2)
E2
B1
C1
C2
E1(B2)
C2
B1
C1
E2
E1(B2)
C2
B1
C1
E2
B2
E1
C2
Ver.1.5
Transistor
(FET)
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Discrete semiconductor
(Chip semiconductors that are not actually used are included.)
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Source
Source
Anode
Anode
(NC)
(NC)
Cathode
Anode
Cathode
Common
Cathode
Cathode
Common
Cathode
Cathode
Common
Common
Common
Common
Cathode
Anode
Base
Emitter
Collector
Base
Emitter
Collector
Drain
Gate
Gate
Drain
Device
Printed symbol
Terminal name
Circuit
Terminal name of semiconductors in silk screen
printed circuit (
)
Anode
Anode
Anode
Cathode
Anode
Anode
Cathode
!£
Transistor
(FET)
Transistor
(FET)
!∞
Emitter
Collector
Base
Transistor
Source
Gate
Drain
Cathode
Anode
Anode
Cathode
Anode
Anode