Sony KV-BT21M80 (serv.man3) Service Manual ▷ View online
– 29 –
KV
-BT21M80
-BT21M80
RM-W101
SECTION 4
DIA
GRAMS
4-1.
BLOCK DIA
GRAM
VIF&SIF SAW
MAIN
Power
Supply
FSS TUNER
AGCin
12C
Video
L(Mono)
Video
L(Mono)
CV/YC
L(Mono)
CV/YC
L(Mono)
CV/YC
L(Mono)
G/Y
B/P
B
R/P
R
L
Fbl(RGBin)
24.576MHz
DVD/RGB
AV2
AV3
AV1
Mon Out
Audio Amp
TV
out
Mon
out
AV1
in
AV2
in
AV3
in
RGB/
DVD
in
5V
30V
IF
24-5.VIF1~2
115. DGC Relay
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
1/2ch
Audio Amp
ATT
VAR
NVM
Pin out
H-drive
H-out
Rot. cct
V-out
VM
RGB Amp
feedback
3W
Mono
3W
R
L,R
HP
mute
EHT, ABL
Hp
1k
EW, Hd
V+, V-
RGB
+B
On/Off
stdby
Device 12C
12C
SIRCS
Key buttons
PLL
I/O Port
VIF & SIF
POWER
Color
Decoder
YUV
Processor
Jungle
RGB
FM MONO Dem
Volume control
ONE CHIP
Micro
Text
CC & V-chip
11.XTALOUT
10.XTALIN
74~76.YUVout
70-72.YUVin
119.
KEY IN
126.INT2
98, 99.
SCL1, SD
A1
108, 109.
SCL0, SD
A0
102.
BINT
122~3.
RED/GREEN LED
77.SCARTFBL
78~80.RGB3
34DIRIN
34DIRIN
R-Y/R,Y/G, B-Y/B IN
31.AGCout
43.IFVO/IF-
MON-OUT
62.SCARTHPL
MON-OUT
62.SCARTHPL
48.MON-OUT
36.OutL
36.OutL
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.LSL
106. AUDIO MUTE
105. AUDIO STDBY
58.CVBS1/Y1
59.C3
59.C3
56.InL1
55.CVBS3
55.CVBS3
53.InL3
I/O Port
51.CVBS2/Y2
52.C2
49.InL2
52.C2
49.InL2
B-INT
LED
+B line
30V
L
– 30 –
KV-BT21M80
RM-W101
4-2. CIRCUIT BOARDS LOCATION
A Board
C Board
4-3.
SCHEMATIC DIAGRAM INFORMATION
Note:
•
•
All capacitors are in
µF unless otherwise noted.
•
All electrolytic capacitors are rated at 50V unless otherwise
noted.
noted.
•
All resistors are in ohms.
k
k
Ω = 1000Ω, MΩ = 1000kΩ
•
Indication of resistance which does not have rating
electrical power is as follows.
electrical power is as follows.
Pitch: 5 mm
Rating electrical power 1/4W (CHIP: 1/10W)
Rating electrical power 1/4W (CHIP: 1/10W)
•
: nonflammable resistor.
•
: fusible resistor.
•
¢
: internal component.
•
: panel designation or adjustment for repair.
•
All variable and adjustable resistors have characteristic
curve B unless otherwise noted.
curve B unless otherwise noted.
•
Readings are taken with a color-bar signal input.
no mark
no mark
: Common
( )
: PAL
[ ]
: NTSC 3.58
•
Readings are taken with a 10 M
Ω digital multimeter.
•
Voltage are dc with respect to ground unless otherwise
noted.
noted.
•
Voltage variations may be noted due to normal
production tolerances.
production tolerances.
•
All voltage are in Volt.
•
✽
: Cannot be measured.
•
Circled numbers are waveform references.
•
: B +bus.
•
: B –bus.
•
k
: signal path.
Note: The reference number which starts with Wxxx
(eg: W003) indicates a wire to wire connection.
Note: Components marked as XX are not fitted on this
model.
Reference information
RESISTOR
RESISTOR
: RN
METAL FILM
: RC
SOLID
: FPRD
NONFLAMMABLE CARBON
: FUSE
NONFLAMMABLE FUSIBLE
: RS
NONFLAMMABLE METAL
OXIDE
OXIDE
: RB
NONFLAMMABLE CEMENT
: RW
NONFLAMMABLE
WIREWOUND
WIREWOUND
:
✽
ADJUSTMENT RESISTOR
COIL
: LF-8L
MICRO INDUCTOR
CAPACITOR
: TA
TANTALUM
: PS
STYROL
: PP
POLYPROPYLENE
: PT
MYLAR
: MPS
METALIZED POLYESTER
: MPP
METALIZED POLYPROPYLENE
: ALB
BIPOLAR
: ALT
HIGH TEMPERATURE
: ALR
HIGH RIPPLE
Note:
The component identified by shading and
mark
mark
! are critical for safety. Replace only
with part number specified.
Note: “A” board schematic diagram is divided into 6 blocks.
Each block is named by its function and block
“alphabet”. eg: Processor (Block A)
Joint connection between boards can be identified
using the block alphabet followed by sequence
numbering.
eg: -<HOUT-DEFL (A10) To D11
Meaning: Block A joint A10 is connected to Block D
joint D11
“alphabet”. eg: Processor (Block A)
Joint connection between boards can be identified
using the block alphabet followed by sequence
numbering.
eg: -<HOUT-DEFL (A10) To D11
Meaning: Block A joint A10 is connected to Block D
joint D11
– 31 –
A
12345
6
7
B
C
D
E
F
G
H
I
J
KV
-BT21M80
-BT21M80
RM-W101
4-3-1.
C Boar
d Sc
hematic Diagram
2kV
4700p
E
C752
1000p
B
C782
1
1P:TAB
CN705
GND
1SS133T-77
D780
D781
L750
XX
22uH
L780
Q701
XX
CHIP
XX
R775
CHIP
XX
R777
R766
XX
R767
XX
R768
XX
R784
XX
R785
XX
R786
XX
UDZSTE-175.6B
D782
CHIP
XX
R776
CHIP
XX
R778
250V
4.7
C754
JW702
XX
C759
XX
CH
1
2
3
4
5
WHT
5P:S-MICRO
CN703
200V
NC
GND
H1
NC
3
4
5
6
7
8
9
10
11
13
1
GND
GND
1
J751
110M
RV750
1/2W
XX
R760
1/2W
100
R763
1/2W
100
R764
1/2W
100
R765
1/2W
560k
R773
1/2W
1k
R756
1/2W
1k
R757
1/2W
1k
R758
HSS82-TJ
D756
HSS82-TJ
D755
HSS82-TJ
D754
R774
150
3W
RS
1/2W
100
R783
R713
0 :CHIP
C783
1000p
B:CHIP
1
CN704
1P:TAB
1000V
1
3
9
8
7
6
5
4
2
TDA6108AJF/N1
IC751
B IN
G IN
R IN
GND
IK
VDD
R OUT
G OUT
B OUT
0.47
R794
GP08D
D750
1/2W
470k
R780
1/2W
FPRD
100K
R795
1
2
3
4
5
6
7
7P:S-MICRO
CN701
WHT
GND
B
G
R
GND
1K
9V
1000p
B:CHIP
C786
500V
XX
B
C753
500V
1000p
C787
RS
R781
0.56
JW1781
5MM
JW1782
5MM
5MM
JW1783
680
R752
680
R753
RN-CP
RN-CP
RN-CP
680
R754
250V
10
C751
250V
4.7
C781
XX
C788
XX
C790
XX
C789
XX
L781
XX
L782
XX
L783
R-IN
C
FV
RCV
(VIDEO AMP)
B-BX1s12151-UKR-C..-BT21M80
1
2
3
4
5
6
9V
9V
1000V
200V
H
KG
G2
CV
KR
G1
G4
HV
KB
A51LPT70X
PICTURE TUBE
TO EARTH
COATING ASSY
1SS133T-77
SOCKET,CRT
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
B
C
D
E
F
G
H
I
J
KV-BT21M80
RM-W101
KV-BT21M80
RM-W101
4-3-2. A Board — Processor (Block A)
– 32 –
– 33 –
2.2
C073
16V
0.1
B:CHIP
C069
2.2
C064
16V
0.1
B
C063
16V
0.22
B:CHIP
C022
RN-CP
100
R038
RN-CP
100
R039
RN-CP
100
R041
CHIP
100
R056
100
R058
16V
0.1
C038
4.7
C037
CHIP
0
R356
16V
0.1
B
C054
UDZSTE17-9.1B
D023
UDZSTE179.1B
D024
UDZSTE179.1B
D025
MMDL914T1
D059
MMDL914T1
D058
MMDL914T1
D057
16V
0.22
C030
35V
47
C026
16V
0.1
B:CHIP
C028
16V
0.22
B:CHIP
C025
16V
2.2
B:CHIP
C023
4700p
B:CHIP
C041
16V
0.22
B:CHIP
C042
16V
0.22
B
C048
25V
0.022
B
C049
CHIP
100
R045
CHIP
100
R046RNCP
100
R048
1000p
B
C052
1000p
B
C089
1000p
B:CHIP
C081
1000p
B:CHIP
C080
UDZSTE-175.6B
D065
UDZSTE-175.6B
D064
RN-CP
RN-CP
RN-CP
100
R060
1000p
B:CHIP
C058
CHIP
1M
R312
150k
R313
Q009
XX
RN-CP
XX
R326
XX
B
C084
UDZSTE-175.6B
D062
XX
C079
47k
R311
1K
R310
UDZSTE-175.6B
D060
MMDL914T1
D061
RN-CP
XX
R327
1M
R309
470p
CHIP
C010
XX
B
C009
35V
47
C008
CHIP
R360
0
CHIP
R361
XX
CHIP
R363
0
CHIP
R362
XX
100
R331
100
R323
100
R020
100
R018
100
R030
100
R024
100
R341
CHIP
100
R025
100
R339
4
3
2
1
CAT24WC16J1-TE13
IC003
100p CHIP
C001
100p
CHIP
C003
100
R002
RN-CP
RN-CP
RN-CP
RN-CP
RN-CP
RN-CP
RN-CP
RN-CP
RN-CP
RN-CP
RN-CP
RN-CP
RN-CP
RN-CP
RN-CP
RN-CP
RN-CP
RN-CP
RN-CP
RN-CP
RN-CP RN-CP
RN-CP
RN-CP
RN-CP
RN-CP
RN-CP
RN-CP
RN-CP
RN-CP
100
R004
16V
0.1
B
C092
16V
0.1
B
C093
16V
0.1
B
C094
16V
0.1
B
C095
16V
0.1
B
C096
G
R
SPB-25MVWF
D914
220
R096
220
R097
CHIP
XX
R006
MMDL914T1
D003
MMDL914T1
D002
1
2
2
2.2k
R012
100p CHIP
C021
CHIP
10k
R010
16V
0.22
B:CHIP
C014
16V
0.22
B:CHIP
C018
100
R014
16V
0.1
B:CHIP
C020
10k
R340
2.2k
R324
4.7k
R338
470
R337
XX
D067
4.7k
R320
100p
CHIP
C091
16V
XX
B
C011
RN-CP
100
R029
100p
CH
C090
4.7k
R322
16V
0.22
B:CHIP
C012
100
R026
1
2
3
2
3
WHT
3P
CN005
GND
NC
KEY
GP08D
D066
CHIP
CHIP
CHIP
R316
XX
MMDL914T1
D056
4.7k
R001
4.7k
R003
D004 XX
16V
XX
F
C051
16V
XX
F
C068
16V
XX
F
C071
16V
XX
F
C097
16V
XX
F
C098
16V
XX
F
C099
XX
D006
D007
XX
D008
XX
D009
XX
1
2
3
4
5
WHT
XX
CN007
Y OUT
GND
U OUT / FB
GND
V OUT
1
2
3
4
4P
CN003
WHT
XX
+B
NC
GND
VM OUT
1
2
3
4
5
YEL
5P
CN009
XX
Y IN / G
GND
U IN / B
V IN / R
GND
5
JW1088
XX
5
JW1089
XX
5
JW1090
XX
5
JW1091
XX
5
JW1092
XX
To E3 (A35) 2SIF
To E1 (A39) SIFIN2-IF
To E2 (A40) SIFIN1-IF
To E7 (A41) VIFIN2-IF
To D1 (A45) EWD-DEFL
To D8 (A38) OVP-DEFL
To D5 (A43) VD+-DEFL
To D7 (A44) VD--DEFL
To E8 (A42) VIFIN1-IF
+B (A9) To C11,D15,E11
HOUT-DEFL (A10) To D11
AFC-DEFL (A11) To D2
LSL-AUDIO (A13) To B2
To E10 (A36) TUAGC-IF
To D4 (A47) ABL
AUDIO-STDBY
PWR-OFF-MUTE
To C15 (A57) DGC-RELAY
SCL-0 (A6) To E15
SDA-0 (A5) To E14
MOMUTE-AUDIO
To E9 (A55) M-SYS-IF
D1_JP/MODE1_EU
9V (A2) To B4,B14,C8,
3.3V (A3) To C1,D18
5V (A4) To C9,D12,E16,F1
To B9 (A60) AUDIO-MUTE
To C13 (A58) STBY_SW
To D3 (A46) VGUARD-DEFL
LSR-AUDIO (A12) To B3
To E12 ( A51) AGC-MUTE
To F9 (A53) S1/VC
C1 (A18) To F8
CVBS1/Y1 (A19) To F10
INR1 (A20) To F12
INL1 (A21) To F11
CVBS3 (A22) To F13
INR3 (A23) To F15
INL3 (A24) To F14
CVBS1/Y1 (A19) To F10
INR1 (A20) To F12
INL1 (A21) To F11
CVBS3 (A22) To F13
INR3 (A23) To F15
INL3 (A24) To F14
CVBS2/Y2 (A25) To F20
INR2 (A26) To F18
INR2 (A26) To F18
INL2 (A27) To F19
MON-OUT (A28) To F5
MON-OUT (A28) To F5
IFVO/IF_MON_OUT (A29) To E5
OUTR (A31) To F4
OUTL (A32) To F3
OUTL (A32) To F3
D1_JP/MODE2_
EU/MONSW-MONO
SCARTHPL (A17) To B1,F21
SCARTHPR (A16) To F22
CVBSO (A15) To F23
10uH
L003
10uH
L005
10uH
L006
10uH
L007
10uH
L008
10uH
L009
MONO_OUTL (A30) To E19,F2
ROT_CTRL
ROT_SW
0.22
C300
CHIP
XX
JR1010
MMDL914T1
D063
TP02
TP03
TP04
CHIP
CHIP
XX
R319
RN-CP
2.2k
R042
XX
CH
C032
XX
CH
CH
C034
VCC
GND
OUT
RPM7240-H5
IC002
470p
CH
C301
To F28 (A62) B_DAT
To F29 (A63) B_INT
To F27 (A64) B_CLK
RN-CP
RN-CP
RN-CP
220
R099
16V
2.2
F
C302
RN-CP
1k
R364
CHIP
0
JR1011
1.8V_AUDIO
To C2 (A49) 1.8V_MAIN
W003
W004
W008
10uH
L012
UN2216
Q006
UN2216
Q007
RN-CP
RN-CP
220
R087
220
R098
D005
XX
CHIP
68k
R379
100
R380
25V
0.01
B:CHIP
C308
W009
W010
W011
25V
0.01
B:CHIP
C072
16V
100
C004
XX
C309
RNCP
12k
R044
25V
6800p
C046
16V
2.2
C044
F:CHIP
RN-CP
RN-CP
RN-CP RN-CP
RN-CP
6.8k
R314
6.8k
R315
CHIP
100
R384
CHIP
100
R385
CHIP
100
R386
SCARTFBL/A16 (A14) To F16
RNCP
39k
R051
16V
470
C002
16V
16V
100
C304
16V
100
C036
16V
100
C056
16V
100
C005
16V
100
C006
4.7k
R336
UDZSTE-175.6B
D068
UDZSTE-175.6B
D054
UDZSTE-175.6B
D055
0.15
C055
1
2
3
4
5
6
7
WHT
XX
CN004
GND
B OUT
G OUT
R OUT
GND
IK
9V
100 16V
C013
2.2
C311
470
C314
3.3
C065
1000p
B:CHIP
B:CHIP
C312
1000p
B:CHIP
C313
(A59) RESET
W022
W060
XX
D069
XX
D070
25V
0.022
B
C053
MSB709-RT1
Q010
1k
R059
RN-CP
1.5k
R377
R392
10K
1.5k
R015
13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
TDA12067H/N1B0B0PX
IC001
VSSP2
VSSC4
VDDC4(1.8V)
VDDA3(3.3V)
VREF_POS_LSL
VREF_NEG_LSL+LSR
VREF_POS_LSR+HPL
vREF_NEG_HPL+HPR
VREF_POS_HPR
XTALIN
XTALOUT
VSSA1
VGUARD
DECDIG
VP1
PH2LF
PH1LF
GND1
SECPLL
DECBG
EWD
VD-
VD+
VIFIN1
VIFIN2
VSC
IREF
GNDIF
SIFIN1
SIFIN2
AGCOUT
EHT0
AVL/2SIF
D1 LIN
D1 RIN
OUTL
OUTR
DECSDEM
MONO_OUTL
GND2
PLLIF
SIFAGC/SCART
IFVO/IF_MON_OUT
INTC0-IF
VCC8V
AGC2SIF
VP2
MON-OUT
INL2
INR2
CVBS2/Y2
C2
INL3
INR3
CVBS3
INL1
INR1
CVBS1/Y1
C1
LSL
LSR
SCARTHPL
SCARTHPR
CVBS0
VM
AFC
HOUT
VSSCOMB
VDDCOMB
VIN
UIN
YIN
YSYNC
YOUT
UOUT
VOUT
SCARTFBL
R-Y/RIN
Y/GIN
B-Y/BIN
GND3
VP3
ABL
IK
R OUT
G OUT
B OUT
VDDA(3.3V)
VREFAD_NE
VREFAD_PO
VREFAD
GNDA
VDDA(1.8)
VDDA2
VSSADC
VDDADC(1.8)
SIRSC
SCL1
SDA1
VDDC2
VSSC2
B INT
D1_JP/MODE2_EU/MONSW-MONO
MOMUTE-AUDIO
MOMUTE-AUDIO
AUDIO STDBY
AUDIO MUTE
AUDIO MUTE
HD SW
SCL0
SDA0
VDDP(3.3V)
S1/VC(GA)
ROT CTRL
ROT SW
STBY_SW
STBY_SW
DGC RELAY
D1_JP/MODE1_EU
VDDC1(1.8V)
DECV1V8
DECV1V8
KEY
S2
VSSC1/P
RED LED
GREEN LED
VDDC3(1.8V)
VSSC3
AGC-MUTE
SECAM L-L
M-SYS-IF
24.5MHz
X001
MMDL914T1
D071
MMDL914T1
D072
10V
0.47
B:CHIP
C316
UN2211
Q016
RN-CP
4.7k
R394
47uH
L004
16V
220
C317
1.1uH
FB001
16V
100
C303
10
C050
16V
0.1
B:CHIP
C318
100
R393
47p
CHIP
C319
47p
CHIP
C320
RN-CP
RN-CP
RN-CP
RN-CP
3.3k
R317
XX
C015
To D10 (A37) OCP-PROTECT
100k
R395
10uH
L010
10uH
L011
10uH
L013
10uH
L031
10uH
L032
10uH
L033
10uH
L035
10uH
L036
XX
L037
W030
W031
W032
W033
W034
MMDL914T1
D074
MSD601-RT1
Q013
RNCP
1K
R011
0.01
C321
0.001
B :CHIP
C322
0.001
B:CHIP
C323
To F17 (A54) S2
UN2211
Q001
To E6 (A56) SECAM-L-L
22
C024
22
C029
XX
C031
B_DAT
B_INT
A
PROCESSOR
(BLOCK A)
B-BX1s12151-UKR.-A..(Block A)-BT21M80
TO C BOARD
CN701
TO C BOARD
CN711
11
11
10
10
9
6
7
8
5
2
3
4
1
TO TOP CONTROL
PANEL
NVM
PROTECTION
PROTECTION
PROTECTION
IC RECEIVER
RGB-MUTE
(SPOT)
R-MUTE
G-MUTE
B-MUTE
PROTECTION
PROTECTION
PROTECTION
PROTECTION PROTECTION
PROTECTION
PROTECTION
PROTECTION
PROTECTION
PROTECTION
PROTECTION
OCP
SLICER
ABL-BUFFER
ABL
SYSTEM CONTROLLER
- VIDEO PROCESSOR
- AUDIO PROCESSOR
(
)
G LED SW
R LED SW
LED
B
(A1) T
o
B6
D14,E13,F6
(A7) To B8
(A8) To F24
To D16 (A33)
To D17 (A34)
To B13,C10 (A50)
To F25 (A52)
To B7 (A61)
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
9V
5V
5V
5V
5V
5V
5V
5V
3.3V
5V
5V
3.3V
1.8V MAIN
1.8V AUDIO
1.8V MAIN
1.8V AUDIO
1.8V MAIN
3.3V
3.3V
3.3V
1.8V AUDIO
1.8V AUDIO
R
G
U OUT
V OUT
Y OUT
Y IN
V IN
U IN
V IN
Y IN
U IN
TV-L
TV-R
TO A BOARD
(JACK)
CN905
CHIP
CHIP
CHIPCHIP
CHIP
CHIP
CHIP
0.01
C328
0.022
To D19 (A66) PH2LF
To E20 (A67) VDDC4_CAP
To E21 (A68) VDDC3_CAP
UDZS-TE17-9.1B
D075
PLL1F (A65) To E18
C325
25V
25V
10V
25V
C333
470
10V
R398
10
:CHIP
R397
1.5M
R023
1.5K
D076 MMDL914T1
Click on the first or last page to see other KV-BT21M80 (serv.man3) service manuals if exist.