Block Diagram - Sony Trinitron KV-25K5A Service Manual

5-1 BLOCK DIAGRAMS (1)
A ( )
TUNER, POWER SUPPLY HV OUT
AUDIO, MICRO CONTROLLER/TEXT
YC JUNGLE VIF DECODER
IC101 VIF/SIF
DEMODULATOR
AF OUT 8
QSS 12
SWF
103
BUFFER
TU101
DET OUT 16
Q101
BUFFER SWF 1 VIF
IF1
Q107 101 2 VIF 3
STAND SW RF
AGC 22
SWF 23
SIF AFC 17
102 24
SIF
AGC
14
TU AGC
7 LIL SW
SCL
SDA
CN007
4 KEY
KEY
IC005 SWITCH SCART
TO H BOARD MATRIX
RESP SWITCH
6
CN907 RESP
Q109,110
STBY 5V
SIRCS 13
7 O-KEY/SCART
SIRCS
I-KEY/SCART 9
14 I-KEY
CN001 I-KEY/SCART 1/2 10
5
12 I-KEY
AGC
I MODE 1 15
2
SCLI SCLI I MODE 2 11
3
SDAI SDAI
4
CS
29" only
CN505
BUFFER
6
NS CORRECT Q013
TO
VM BOARD
CN1705
5
VM OUT
CN406
8 AUDIO L
AUDIO L
TO
6 AUDIO R
H BOARD AUDIO R
CN906
4 Y/CVBS
Y/CVBS
2 C
C
25
VIDEO AMP
Q408, 409
IC001
MICRO CONTROLLER
SYNC SEP
8 0-COIN
Q005, 004
0-MSP/ASW 3
21 BE/DK/I
4 0-RFAGC BUFFER
0-V BLK 17
9 I-AFT Q012
0- +B DROP 18
0-VOL 2
SWITCH
10 AGC MON
Q006
14 AGC DEFEAT
0-SP MUTE 30
15 0-BAND-M
IC301
16 0-BAND-L Y/C JUNGLE
20 0-BAND-L
OSD BLK 35 29 INT BLK
11
I-KEY-SCART
34 32 INT R2 IN
R
6 0-KEY SCART AMPLIFIER
31 INT G2 IN
G 33 Q007,008,
12 0-SCART 1/2
009
B 32 30 INT B2 IN
SDA
35 SDAO
SCL
19 0-LED SCLO 34 SCLO
0-WP 7 7 6
IC004
48 I-PROCDES
NVM SDAO
8 5
MON OUT
IC003 RESET 1 43 RESET
MON OUT EXT B IN
EXT CVBS 24
EXT G IN
SWITCH
52
1 0-ROT/VC 0-XRAY PROT
Q011
EXT R IN
0-STBY 51
5 D-N-C EXT BLK
HP
HP 36 18 Y/CVBS IN
42 X-OUT PROTECT
VP 37
ABL IN
41 X-IN
X001
12MHZ
EW
43 TV/C2 IN
VD+
VD-
15 VM OUT
48 XTAL 1
HD
R OUT
47
XTAL 2
G OUT
2 CI IN B OUT
IK IN
4 Y1/CVBS IN
26
CN201
4
R AUDIO
TO SPEAKERS
1
L AUDIO
CN208
2 CN606
L AUDIO
IN
1
4 TO H1
R AUDIO TO H1
IN BOARD
BOARD 2
HD 1 L AUDIO
CN908
CN604
OUT
5 R AUDIO
OUT
LINE FILTER
CN101
SCL 1 T601
SCL
SDA 2
SDA
CN603
5 DGC
SIF
1 CHECK
4
RST
2 DGC CHECK
6
MONO
TO S1
9
R1 BOARD CN602
IC201 10
CN1101
L1 1 DGC
AUDIO AMP
11
R2
DGC DGC
5 3
L IN/IN 2 VAR/L 12
4 L2
MON OUT
9 STBY 14
R IN/IN 3 1 TVR OUT
15
3 VOLUME
12 TVL OUT
L OUT/NC
16
2
VAR R/SW R AUDIO OUT
R OUT/OUT 14
17
10 MUTE L AUDIO OUT
NC/IN 2 6
J404
J401
A6
T602
L AUDIO IN
A2
L AUDIO IN
A1
2
DET R OUT
B1
MON R OUT
1
B3
MON L OUT
5 4
A3
DET L OUT
A19
7 3
DET V OUT
MON OUT
6
B8 D632
MODE RECT
A8
MODE
A7
26 BLUE
A11
27 GREEN
A15
28 RED
A16
25
BLK
A20
41
V IN
B2
AUDIO R IN
ABL
3 B6
AUDIO L IN
EW B15
11
C IN
VD+ B20
13 YV IN
VD-
14
HD
CN504
19
1
22
RED
2
23 GREEN
TO C BOARD
3
CN703
24 BLUE
6
21
IK
PH601
ISOLATOR
3 2
+B
4 1
MAIN RECT
D601
RELAY
RY601
T603
SRT
3
FBO CP D605
1 11
+B RECT
4
VCC 4 IC603
12 1 2
ERROR AMP
IC606 D
3 5
POWER
D614
13 +B
RECT
S 2 7 AUDIO
14
VCC
8
RELAY
IC604
SWITCH
15 D610
Q601 RECT
16 1 5VREG 3 +5V
IC605
9VREG 3
1 +9V
MUTE SW
Q202
LOW B
5 C IC609
STANDBY
D POWER
4
IC608
STBY
5V REG
+5V
T531
HDT
HD
H-DRIVE H-OUT
Q535 Q533
27
IC501
V OUTPUT
DY ASSY
VD+
7
IN
V- DY+
VP V- DY+ 6
3 BOOST OUT 5
V- DY- 5 V- DY-
V DY
VD-
1 REF
H- DY- 4
H- DY-
3 H DY
H- DY+ 2 H- DY-
H- DY+ 1 H- DY+
IC531
PIN CORRECTION
EW
5 -
PIN OUT
7
Q532
6 +
HP
PROTECT
3 +
1
2 -
D511 CN502
1
1000V
2
TO C BOARD
200V
CN701
4
H1
T801
FBT
HV TO PICTURE
TUBE
1
4
+B 3 CN509
FV
DF 1 TO VM BOARD
HP 5
D571, 13
CN1809
Q571,574
6 29" only
12
ABL
11
D513
CN503 29" only
10
+15V RECT
1 TO VM BOARD
9
CN1803
8
7
D514
-15V RECT
-15V
28