Read Sony KV-HG21M80 Service Manual online
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KV
-HG21M80/M88
-HG21M80/M88
RM-GA002
SECTION 5
DIA
GRAMS
5-1.
BLOCK DIA
GRAM
VIF SAW
SIF SAW
MAIN
Power
Supply
RF AMP Tuner
AGCin
12C
TV
L(Mono)
Video
L(Mono)
CV/YC
L(Mono)
R
CV/YC
L(Mono)
R
R
R
G/Y
B/P
B
R/P
R
L
R
Fbl(RGBin)
24.576MHz
DVD/RGB
AV3
AV2
AV1
MON OUT
Audio Amp
Buffer
TV
out
Radio
BPF
Mon
out
AV1
in
AV2
in
CV/YC
L(Mono)
AV3
IN
RGB/
DVD
in
5V
30V
IF
24-5.VIFIN1~2
29~30.SIF1~2
115.DGC RELAY
114.STBY SW
STBY
3.3V
AC in ~
110-220V
CISPR/
PFC
3.3V
RESET
3.3V
5V
8V
3.3/5V
Relay
8V
AUDIO VCC
HV
DGC
+/-15V
Hout
FBT
L
2ch
Audio Amp
ATT
VAR
NVM
Pin out
H-drive
H-out
Rot. cct
V-out
VM
RGB Amp
feedback
10W
R
10W
L,R
I
HP
mute
EHT, ABL
Hp
1k
EW, Hd
L, R
V+, V-
RGB
+B
On/Off
stdby
Device 12C
12C
SIRCS
Key buttons
PLL
I/O Port
I/O Port
VIF & SIF
POWER
Color
Decoder
YUV
Processor
Jungle
RGB
DAC
Stereo,
DAP
A
D
C
D
C
ONE CHIP
Micro
Text
CC & V-chip
11.Xtalout
10.Xtalin
74~76.YUVout
70-72.VUYin
119.KEY
116.DI-JP/MODE1-EU
103.DI-JP/MODE2-EU/
MON SW
-MONO
126.AGC-MUTE
98, 99. SCL1,SDA1
108, 109. SCL0,SDA0
102.BINT
122~3.RED~GREEN LED
77.SCART FBL
78~80.RGB3
34,35 InLs,R5
34,35 InLs,R5
51.CY/Y4
52.C2
49-50 InL,R4
52.C2
49-50 InL,R4
120.P3.3(S2)
31.AGCout
33.AVL/2SIF 120.S2
44.Intco-IF
43.IFVO
62,63.HPL, R
48.MON-OUT
36,37.OutL, R
111.S1/VC(GA)
85~87
RGBout
84.lk
65.VM
23. VD+
22. VD-
112.ROT CTRL
113.ROT SW
21.EWD
67.Hout
66.AFC
32.EHTO
83.ABL
60,61
LSL,R
106.AUDIO MUTE
105.AUDIO STANDBY
58.CVB51/Y1
59,C1
56, 57InL1,InR1
55.CV/Y2
53,54.InL,R2
70 CX
59,C1
56, 57InL1,InR1
55.CV/Y2
53,54.InL,R2
70 CX
B-INT
LED
+B line
30V
R
LNA cct
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