Schematic Diagram Of A Board - Sony TRINITRON KV-J51PF2S Service Manual

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