Diagrams; Block Diagram - Sony TRINITRON KV-SW21M80 Service Manual

SECTION 4

DIAGRAMS

4-1. BLOCK DIAGRAM

IF
RF AMP Tuner
TEQE2X904B
AGCin
SIF SAW
LNA cct
12C 5V 30V
Radio 33.AVL/2SIF 120.S2
BPF
44.Intco-IF
Buffer
31.AGCout
TV
43.IFVO
TV
62,63.HPL, R
out L(Mono) Audio Amp
R
48.MON-OUT
Video
Mon MON OUT
L(Mono)
36,37.OutL, R
out
R
111.S1/VC(GA)
AV1 CV/YC
L(Mono) 58.CVB51/Y1
in AV1
59,C1
R
56, 57InL1,InR1
CV/YC
AV2
55.CV/Y2
L(Mono)
in AV2
53,54.InL,R2
R
70 CX
I/O Port
120.P3.3(S2)
AV3 CV/YC
51.CY/Y4
IN L(Mono) AV3
52.C2
49-50 InL,R4
G/Y
RGB/
B/P
B
78~80.RGB3
DVD R/P
DVD/RGB
R
34,35 InLs,R5
in L
R
Fbl(RGBin)
77.SCART FBL
70-72.VUYin
74~76.YUVout
PLL
10.Xtalin
24.576MHz
11.Xtalout
Key buttons
CISPR/
AC in ~
PFC
110-220V
VIF SAW
3.3V
RESET
STBY
3.3V 5V 8V
3.3V
29~30.SIF1~2 24-5.VIFIN1~2
114.STBY SW
115.DGC RELAY
VIF & SIF POWER
85~87
RGBout
84.lk
RGB
1k
Color YUV
Decoder Processor 65.VM
23. VD+
22. VD-
112.ROT CTRL
ONE CHIP
113.ROT SW
On/Off
Micro 21.EWD
EW, Hd
Jungle
67.Hout
Text
Hp
66.AFC
CC & V-chip
32.EHTO
EHT, ABL
83.ABL
I/O Port
60,61
LSL,R
A
Stereo,
DAC
D
DAP
C
mute
106.AUDIO MUTE
105.AUDIO STANDBY
stdby
LED
B-INT
Device 12C
SIRCS
12C
NVM
– 29 –
KV-SW21M80 KV-SW21M80
RM-GA002 RM-GA002
MAIN
Power
Supply
3.3/5V 8V AUDIO VCC
Relay
RGB Amp
RGB
VM
+B
V-out HV
V+, V-
Rot. cct
Pin out
+/-15V
H-drive
Hout
H-out
FBT
feedback
Audio Amp
L
L, R
2ch
R
I
ATT L,R
R
VAR
30V
+B line
DGC
10W
10W
HP
– 30 –