Sony FD Triniton KV-28FQ75A Service Manual page 32

5-1. BLOCK DIAGRAMS (2)
CN8900
AV1
7 BLUE IN
11 GREEN IN
15 RED IN
16
BLANKING
IC8801
MAIN AUDIO/VIDEO SWITCH
1 RIGHT OUT (1)
32 RTV
2
RIGHT IN (2)
36 (R2) AV1-R
3 LEFT OUT (3)
25 LTV IC8500
DIGITAL COMB FILTER
6 LEFT IN (4)
29 (L2) AV1-L
LUMINANCE OUT 16
8 MODE (1)
18 MODE 1
19 VIDEO OUT (2)
CHROMA OUT 15
20 VIDEO IN (3) 6 CLOCK IN
60 AV1-V (CV IN 2)
PNR 16
CN8901
AV2
1 RIGHT OUT (5)
40 (R02) AV2-R OUT NTPLI 15
2
RIGHT IN (6)
35 (R3) AV2-R
MAIN Y OUT 11
3 LEFT OUT (7)
41 (L02) AV2-L OUT
MAIN C OUT 13
6 LEFT IN (8)
28 (L3) AV2-L
10 MODE (2)
19 MODE 2
10 AV LINK
15 C IN (5)
52 AV2-C(C1)
(CO2)
47
19 VIDEO OUT (6) SUB C OUT
9 AV2 OUT(CV01)
(YO2)
20 VIDEO IN (9) 45
SUB Y OUT
58 AV2-V(Y1)
CN8902
A4V
1 RIGHT OUT (9)
2 RIGHT IN (10)
33 (R5) AV4-R
3
LEFT OUT (11)
6 LEFT IN (12)
26 (L5) AV4-L
8 MODE 4 (3)
20 MODE 3
15 C IN AV4 (4)
49 (C3) AV4-C
19 VIDEO OUT
20 VIDEO IN AV4 (3)
54 AV4-V(YB)
CN8101
(1/2)
A13 AV LINK
A8
AV3 LUM IN
56 AV3-V(Y2) SUB AUDIO/VIDEO SWITCH
A7 AV3 C IN
51 (C2) AV3-C 11 AV4 C
A6 AV3 RIGHT IN
34 (R4) AV3-R 4 AV4 Y
B6 AV3 LEFT IN
27 (L4) AV3-L 15 AV3 C
B14 SCL
2 AV3 Y
TO A BOARD
CN1801 A14 SDA
A10 CVBS1 IN AMP
Q8818
A15 CVBS OUT (TEXT) SDA
6 AD IN SDA 16
B15 AUDIO RESET SCL
SCL 15
B9 AM1 IC8700
AUTOWIDE
A9 QSSI IN
35
IC8301
MAIN COLOR DECODER
25 B I
26 G I
AUDIO
RESET
27 R I
CN8101
15 YS 3 (2/2)
AMP V-M (2) A2
46 SFC OUT Cr OUT 23 QSS1
Q8308
SCL 13 SCL
U-M (1) A25
Cb OUT AMP
22 Q8309
SDA 14 SDA
Y-M (3) B25
Y OUT 21 AMP
Q8310
MAIN L HEADPHONE LEFT OUT B4
AMP
5 COMB Y MAIN L OUT 39
Q8300
MAIN R HEADPHONE RIGHT OUT A4
MAIN R OUT 38
AMP COMB C/
7 AM1
Q8302 FORGED S HPR SURROUND SPEAKER (4) A3
HPR OUT 3 24
HPL CENTRE SPEAKER (1) A2
45 COMB SYS HPL OUT 3 23
LEFT SPEAKER (3) A1
TO A BOARD
CN1801
RIGHT SPEAKER (2) B1
HEADPHONE RIGHT OUT A4
1 CVBS/YI CVBS OUT 3
B4
HEADPHONE LEFT OUT
48 CI
HP MUTE A5
IC8401
QSS 2 A11
SUB COLOR DECODER
AMP Y-S (7) A21
Y OUT 21
Q8406
48 CI
AMP U-S (8) A20
U OUT 22
Q8405
CVBS/YI
1
V-S (9) B19
V OUT 23 AMP
Q8403
AM 2 B11
FM DEMULATOR
1 AM IN
3 FM SIF
IC8802
3
Y OUT
C OUT 13
36
IC8200
SOUND PROCESSOR
21 POWER ON RESET
BUFFER
Q8200 67 IF IN1
BUFFER
68 IF COMMON IN
Q8201
IC8201
IF IN 2
69 OUTPUT AMP
SURROUND SPEAKER (4)
SURROUND OUT 25 12 SUR. IN SUR. OUT 14
60 MONO IN (AM)
RIGHT SPEAKER (2)
SPEAKER OUT R 27 10 RIGHT IN RIGHT OUT 8
LEFT SPEAKER (3)
SPEAKER OUT L 28 5 LEFT IN LEFT OUT 7
71 XTAL IN
X8200 CENTER SPEAKER (1)
CENTER IN CENTER OUT
18.432MHz SUBWOOFER OUT 30 3 1
72 XTAL OUT
CENTER OUT 24
MAIN L
AV MAIN L IN
56
MAIN R
57 AV MAIN R IN
RIGHT OUT (9)
36 TV OUT R
LEFT OUT (11)
37 TV OUT L
IC8151
I2C SWITCH
SDA 14 SDA SCL 2 SCL
SCL SDA
SCL 15 SDA 3
IC8150
SW 13 3 DA 4 SWO 2
IC8101
HP OUT
HP L HEADPHONE L OUT
6 L IN L OUT 8
HP R HEADPHONE R OUT
7 R IN R OUT 1
HP MUTE SWITCH
Q8100, Q8101
(
J INTERFACE,
AUDIO, CHROMA,
G COMB FILTER
TU1326
SCL
SDA
AGC
MONITOR
AM1
QSS1
CVBS1
CN1801
A9 QSS 1 OUT
B9 AM 1
A10 CVBS 1 OUT
A11
QSS2 OUT
B11 AM 2 OUT
A12 CVBS 2 OUT
A1 AUDIO LEFT
A3 AUDIO SURROUND
A2 AUDIO CENTER
B1 AUDIO RIGHT
A5 HEADPHONE MUTE
A4 HEADPHONE RIGHT IN
HEADPHONE LEFT IN
B4
A6 AV3 RIGHT OUT
B6 AV3 LEFT OUT
A7 AV3 CHROMA OUT
A8 AV3 LUMINANCE OUT
TO J BOARD
A13 AV LINK I/O
CN8101
B13 MODE (PIN B)
A15 CVBS IN (TEXT)
B15 AUDIO RESET
B18 H PULSE SUB IN
A19 V PULSE SUB IN
B19
A20 U SUB IN
A21 Y SUB IN
B22 H PULSE MAIN IN
A23 V PULSE MAIN IN
A24 V MAIN IN
A25 U MAIN IN
B25 Y MAIN IN
CN1901
B5 AV LINK I/O
J8901
B4 MODE (PIN 8)
VARIABLE OUT
B9 CVBS IN (TEXT)
B8 AUDIO RESET
L
B11 TEXT BLANKING IN
R
B12 BLUE TEXT IN
B13 GREEN TEXT IN
TO M1 BOARD
B14 RED TEXT IN
CN9101
B17
H SYNC TEXT
B18
A12 STANDBY
A13 PROTECTION
A14 AC ON/OFF
B20 AUDIO MUTE
B3
)
A4 RESPONSE LED
A5 SIRCS
A3
A2
CN1702
1
TO H5 BOARD
CN7102 3
37
SCL
4
TU1350
SDA
5 (SUB-TUNER)
CN1601
AGC MONITOR
11
SCL STANDBY 5
4
14
SDA
5
AC ON/OFF 9
BUFFER AM2
Q1328, 14 TO D BOARD
15
Q1329 OVER VOLTAGE 11 CN6101
IC1400
QSS2
BUFFER 15 I/O EXPANDER
Q1326, OVER CURRENT PROT 13
16
Q1327
BUFFER
CVBS2 Q1328, OV PROT PORT 2
16 1 3
Q1329 AUDIO CENTER
AUDIO PROT 1
9
OC PROT AUDIO SURROUND 4
10
AUDIO LEFT
AUDIO 3
IC1126
PROTECTION
AUDIO AMPLIFIER Q1226,1227,
AUDIO RIGHT 1
LEFT 1626
CN1703
INPUT
9
HEADPHONE RIGHT OUT 1
OUTPUT
1
STBY/MUTE HEADPHONE LEFT OUT 3
10
SURROUND
INST+
13 AV3 CHROMA IN
5
CENTER
INC+ TO H5 BOARD
8
OUTS AV3 LUMINANCE IN 7 CN7103
1
MUTE SW
MUTE
Q1208 6 AV3 LEFT OUT 9
OUTC
3
MUTE
11 AV3 RIGHT OUT 11
MUTE SW
Q1201
STBY/MUTE
10 IC1176
AUDIO AMPLIFIER CN1401
OUTPUT 1
IC1126 CENTER AND HORIZONTAL DEFL A1
INPUT
9 AUDIO AMPLIFIER SURROUND
RIGHT
VERTICAL DEFL A6
RED TEXT OUT A10
GREEN TEXT OUT B10
TEXT BLANKING OUT A11
CN1602 BLUE TEXT OUT B11
IC1401 9 EXTRA PARABOLA B1
MID HP 13 HORIZONTAL DRIVE A2
2
PORT 2
4 7 FLYBACK PULSE B2
TEXT HP
1
15 DYNAMIC FOCUS A3
EAST/WEST
5 B3
17 VERTICAL SAW+ A4 TO E BOARD
V SUB IN MID VP TO D BOARD
2 CN4101
CN6102
VERTICAL PROTECT
PORT 2 4 18 A5
TEXT VP
1 10 RGB AFC B5
19 VERTICAL SAW- A7
14 X-RAY A8
ABL
6 B8
VM MODULATION
16 B7
Y-100 OUT B18
U-100 OUT B19
DPIC SW A20
V-100 OUT B20
STANDBY
CN1200
Y-100 IN
A2
+6.5V
4 4
IC1604
IC1601 U-100 IN A3
+5V +10.5 +9V
1 +5VREG 2 ANALOGUE 1 +9VREG 2
V-100 IN A4
DPIC SW
A5
V PULSE MAIN OUT A2
4
H PULSE MAIN OUT
A25 TO B3 BOARD
4 4
HP SUB OUT CN502
IC1602 IC1605 A15
V SYNC TEXT +5V +4.5V +3.5V
1 +5VREG 2 1 +3.5VREG 2 VP SUB OUT
DIGITAL A16
V SUB OUT A17
U SUB OUT
A18
Y SUB OUT
A19
Y MAIN OUT
A21
U MAIN OUT
CN1700 A22
V MAIN OUT A23
5 SIRCS
TO H6 BOARD
CN7100
CN1301
AGC MONITOR 4 LED
V MAIN IN B1
U MAIN IN
B2
Y MAIN IN
B5
Y SUB IN
A10
U SUB IN
B10
V SUB IN
B11 TO BK BOARD
VP SUB IN
B12 CN301
HP SUB IN
A12
Y MAIN OUT OUT
A4
( ) Y SUB OUT A7
A
U SUB OUT B7
SIGNAL AND AUDIO AMP
V SUB OUT
B8
HP SUB OUT
A9
VP SUB OUT B9
PORT 2 B18
38