Block Diagrams(3) - Sony KDL-26S2000E Service Manual

4-1. BLOCK DIAGRAMS (3)
IC3900
TUNER
QUAD BI-LATERAL
TU3901
SWITCH
SILENT SCL
SCL (TUN)
12 VOUT
SILENT SDA
SDA (TUN) nTV-DEM SEL SILENT SCL
13 2
1.8V
AS TUN
AS (TUN) QSDA
11 3
AGC DEFEAT TUN
AGC (TUN) SDA-ANA TV DEM SEL
8 5
AFT
AFT SILENT SDA
10 6
CVBS TUNER
VIDEO SCL-ANA
9 4
SCL-ANA
SCL (IF+MPX) QSCL
1
SDA-ANA
SDA (IF+MPX)
AS-IF-MPX
AS (IF+MPX)
APC
APC
R- AUDIO QSS
QSS/R +5V AEMI-F
L-AUDIO - AM/FM
AUDIO/L TV DEM SEL Q3900 nTV-DEM SEL-5V-SW Q3903
SWITCH SWITCH
QSDA
QSDA
nTV DEM SEL
QSCL +3.3V
QSCL
TS(0) TV DEM SEL TV DEM SEL HO
Q3901 Q3904
TS0
SWITCH SWITCH
TS(1)
TS1
nTV DEM SEL (5V SW) +1.8V
TS(2)
TS2
Q3905
TS(3) nTV DEM SEL
Q3902
TS3 SWITCH
SWITCH
TS(4)
TS4 nTV DEM SEL RB3900
TS(5) TS(0) 7 8
TS5
R-AUDIO QSS Q3907
TS(6) TS(1) 5 6
TS6 SWITCH
TS(7) TS(2) 3 4
TS7 R-AUDIO QSS-OUT
PT SYNC TS(3) 1 2
AGC DEFEAT
SYNC
MICRO Q3906
PTEN
VAL SWITCH
RB3901
PTCLK
CLK AGC DEFEAT TUN TS(4) 7 8
nFE-RESET
RST (COFDM) TS(5) 5 6
SCL-N
SCL (COFDM) TS(6) 3 4
SDA-N
SDA (COFDM) TS(7) 1 2
RB3902
PTCLK 7 8
PTEN 5 6
PTSYNC 1 2
CN9901
ON_TIMER RED
5 SWITCH
Q301
7 PICTURE OFF SWITCH GRN
Q302
PICTURE OFF
AND ON-TIMER
INDICATOR
3 REC/RESERVE RED
SWITCH
Q303
6 PWR/RESERVE SWITCH GRN
Q304
REC/RESERVE
& POWER
RESERVE
INDICATOR
TO BE BOARD
CN1008
4 STBY LED SWITCH RED
Q305
STBY LED
PHOTO-SENSITIVE
DEVICE
BL_IN OUT
8 BUFFER
5
Q306
9 VD3-3 VCC
1
IR RECEIVER
2 STBY 3.3V VCC
10 SIRCS OUT
H3E ( )
LED,
SIRCS
( )
IC3802
TUE
1.8V REG HYBRID
TUNER
VIN
3.3V
CN3904
CVBS-TUNER CVBS TUNER 1
R-AUDIO-QSS QSS 3
TO AE BOARD
CN7501
L-AUDIO-AM/FM FM/AM 5
CN3903
SCL-ANA TU-11C-SCL 2
SDA-ANA TU-11C-SDA 4
AFT TV-AFT 6
TO BE BOARD
CN1700
AGC DEFEAT MICRO TV AGC DEFEAT 8
+5V AEMI-F-SW TV-DEM-SEL 10
CN3901
TS COMO(0) TS COMO(0) 12
+3.3V SW
TS COMO(1) TS COMO(1) 14
TS COMO(2) TS COMO(2) 16
+1.8V SW TS COMO(3) TS COMO(3) 18
TS COMO(4) TS COMO(4) 20
TS-COM(0) TS COMO(5) TS COMO(5) 22
TS-COM(1) TS COMO(6) TS COMO(6) 24
TS-COM(2) TS COMO(7) TS COMO(7) 26
TS-COM(3) SDA-N SDA-N 11
SCL-N SCL-N 13
TO FEE BOARD
SDA-ANA SDA-ANA 21 CN3600
TS-COM(4)
SCL-ANA SCL-ANA 17
TS-COM(5)
nFE-RESET nFE-RESET 23
TS-COM(6)
PTSYNC-COM PTSYNC-COM 27
TS-COM(7)
PTEN-COM 28
PTCLK 29
PTCLK-COM
nWAX-TUNER 19
PTEN-COM
1K 3.3V 3
PTSYNC-COM
5V 5
3.3V
5V 6
5V
D302
D305
D308
IC302
2
3
4
IC301
CN101
2 POWER IN
SWITCH
S106 POWER
TO BE BOARD
SWITCHES
CN1007
S101 HOME MENU
WEGAGATE
3 KEY 1 S102 INPUT SEL TO AE BOARD
S103 VOL+
CN9001
S104 VOL-
S105 CH+
S107 CH-
H1E ( )
SWITCH
PANEL
(40" & 46" ONLY)
L6502
INDUCTOR
2 8
5 10
Q6500
SWITCH
Q6504
SWITCH
D6000
BRIDGE
RECTIFIER
Q6400
SWITCH
PH6000
PHOTOCOUPLER
2
OVERVOLTAGE PROTECTION
IC6401
1
SHUNT REG
R6002 3 RY6003
Q6454 Q6455
4
Q6051
SWITCH
PH6400
OPTOCOUPLER
Q6405 Q6401 Q6402
3 2
BUFFER SWITCH SWITCH
L6001 L6000
LINE FILTER LINE FILTER
CN6001
N 1 2 1 2 1
F6000
A.C. IN
FUSE 6.3 AMP
L 3
3 4 3 4
( )
G2
POWER SUPPLY
- 32 -
(26", 32" & 40" ONLY)
CN201
11 V2 IN C
13 V2 IN Y
3 4
1 2
5 V2 IN SSW
J201
15 V2 IN V
V
TO AE BOARD
9 V2 IN AU L
L
7 V2 IN AU R
R
8 AU IN GND
1 HP_DET
3 AU IN GND
J202
2 HP OUT AU L
HEADPHONES
4 HP OUT AU R
H2E ( )
AV I/O
IC6502
ACTIVE PFC
IC6100
CONTROL
SWITCHING
CONTROL
5 ZCD
Q6100
Q6502 Q6501
SWITCH
OUT 7 23
SWITCH SWITCH
4 IS 22
20 Q6101
SWITCH
D6105
DIODE
18
1
16
2
FB
PH6100
PHOTOCOUPLER
4 1
3 2
PH6402
IC6402
PHOTOCOUPLER
SHUNT
Q6403 Q6404
REGULATOR
3 1 4
SWITCH SWITCH
4 1 3 2 3
STBY 3.3V
REF
VOLTS
IC6301
SWITCHING
REGULATOR
5 DRAIN 4
VCC
7 SOURCE
FB 2
8 SOURCE
(46" ONLY)
CN201
11 V2 IN C
13 V2 IN Y
3 4
1 2
5 V2 IN SSW
J201
15 V2 IN V
V
9 V2 IN AU L
L
CN9001
7 V2 IN AU R
R
8 AU IN GND
1 HP_DET
3 AU IN GND
J202
2 HP OUT AU L
HEADPHONES
4 HP OUT AU R
H46E( )
AV I/O
D6207
DIODE
T6102
15
7
14
D6200
DIODE
5 13
12
CN6202
11 D6201 +18V 9
DIODE
+18V 10
10
+18V 11
+18V 12 TO ?
D6202
CN?
T6103 DIODE POWER ON 2
15
AC OFF DET 3
14 RLY ON 4
D6208
DIODE
13
CN6204
+18V 7
12
5 +18V 8
TO ?
11 D6203
+18V 9
CN?
DIODE
7 10 +18V 10
IC6200
CN6200
SHUNT
+18V 13
REGULATOR
TO AE BOARD
+18V 14
CN7503
2 3
UNREG 33V 11
UNREG 15V 1
UNREG 15V 2
UNREG 10.5V 7
TO BE BOARD
Q6406 UNREG 10.5V 8
CN1002
BUFFER
STBY 3.3V 5
AU GND 3
AU GND 4
T6301
STBY 3.3V
1
2
3
4
6 10
8 9
PH6301
IC6302
OPTOCOUPLER
SHUNT
4 1 REGULATOR
3 2 3 2