– 48 –
– 49 –
– 47 –
– 50 –
KV-J14P2S/J51PF2S
RM-869
KV-J14P2S/J51PF2S
RM-869
KV-J14P2S/J51PF2S
RM-869
KV-J14P2S/J51PF2S
RM-869
Schematic diagrams
?
C
VM
boards
Schematic diagram
A
(2/2) board
/
PRINTED WIRING BOARDS
C
[RGB OUT, DEFLECTION]
C BOARD WAVEFORMS
A Board IC300 TDA8374A (KV-J14P2S)
A Board IC300 TDA8375A (KV-J51PF2S)
– C Board – (KV-J14P2S)
– C Board – (KV-J51PF2S)
– VM Board – (KV-J51PF2S)
A Board IC351 TDA4665T-T/ V5-118
PAL/SECAM
W-W
26Vp-p (H)
SECAM : 148Vp-p (H)
NTSC
PAL/SECAM
150Vp-p (H)
PAL/SECAM
NTSC
150Vp-p (H)
140Vp-p (H)
NTSC
150Vp-p (H)
PAL : 154Vp-p (H)
PAL : 100Vp-p (H)
SECAM : 140Vp-p (H)
4
4
3
3
2
2
1
AGC FOR IF
· TUNER
54
53
TUNER
T.D.P.
· DEMODULATOR
VIF AMPLIFIER
49
48
AFC · S/H
VIDEO AMPL.
POL
VIDEO IDENT
IDENT
AFC
POL
VIDEO MUTE
MUTE
SW
CVBS-SWITCH
13
17
SOUND
TRAP
6
SVHS-SWITCH
SW
10
Chr
CVBS
Y
11
S-VHS
38
CVBS OUT
TRAP
BAND-
PASS
PAL / NTSC
DECODER
4.4
3.6
36
35
34
SECAM REF
.
33
16
HUE
FILTER
TUNING
30 29
R-Y
B-Y
REF
DELAY ·
PEAKING
G-Y MATRIX ·
SAT. CONTROL
R-Y
B-Y
32 31
TDA 4661
SAT
OUT
IN
Y
28
27
· OUTPUT
RGB-MATRIX
26
BL
25
B
24
G
· SWITCH
R
23
RGB-INPUT
21
20
19
R
G
B
22
BEAM DUPR.
BACK-
STABILISER
CONTR
BRI
WHITE P
.
BL. CURRENT
CURRENT
18
VERTICAL
GEOMETRY
51
52
46
47
V-OUT POS.
V-OUT NEG.
EW-
GEOMETRY
45
50
EW-DRIVE
EHT
H/V DIVIDER
SYNC SEP.
· 1st LOOP
SEPARATOR
VERT. SYNC
VCO ·
CONTROL
· HOR. OUT
2nd LOOP
42
41
39
40
HOR. DRIVE
BV
44 14
9
5
12 37
12C-BUS
TRANSCEIVER
7
8
SCL
SDA
CONTROL DAC 's
17 x 6-BIT 's
2 x 4-BIT 's
IF-IN
4
3
REF
SIGNAL
CLAMPING
LINE
MEMORY
SAMPLE-
AND-
HOLD
LP
±
(R-Y)
16
11
±
(R-Y)
±
(B-Y)
12
14
±
(B-Y)
LP
HOLD
AND-
SAMPLE-
MEMORY
LINE
CLAMPING
SIGNAL
pre-amplifiers
addition
stages
output
buffers
colour-difference
output signals
SANDCASTLE
DETECTOR
DETECTOR
PHASE
FREQUENCY
9
analog supply
5
colour-difference
input signals
V P1
sandcastle
pulse input
DIVIDER
BY 192
LP
5MHz
CCO
DIVIDER
BY 2
1
digital supply
10
GND1
3
4, 8
GND2
2
n.c.
n.c.
6
n.c.
13
n.c.
15
3MHz shifting clock
7
i.c.
TDA4665
P2
V
MED848
VM
[VM OUT]
