Sony KV-SZ25M80 Service Manual ▷ View online
– 29 –
KV-SZ25M80
RM-GA002
3-4. GEOMETRY ADJUSTMENT
3-4-1. H-TRAPEZOID ADJUSTMENT
1.
Receive cross hatch/dot signal.
2.
Adjust RV1800 on C Board to make H-Trapezoid
distortion best/to obtain the center illustration shown in
Table 1.
distortion best/to obtain the center illustration shown in
Table 1.
3-4-2. NORMAL MODE 50Hz / 60Hz
1.
Input PAL Special Color Bar (SPCB) or PAL Monoscope
(OTHER model) and Video mode or NTSC Monoscope
(NTSC model) signal using a pattern generator.
(OTHER model) and Video mode or NTSC Monoscope
(NTSC model) signal using a pattern generator.
2.
Set Wide Mode to “OFF”.
3.
Select Category items listed in Table 1.
4.
Raise and Lower the data value using 3 and 6 button
to obtain the center illustration.
to obtain the center illustration.
5.
Press [MUTING]
t - to save the data into the memory.
6.
For Korea models, copy adjusted 60Hz to 50Hz. Add 6
steps to 50Hz “HPOS” and 3 steps to 50Hz “HSIZ” and
save the data.
steps to 50Hz “HPOS” and 3 steps to 50Hz “HSIZ” and
save the data.
3-4-3. WIDE MODE 50Hz / 60Hz
(V Compression Adjustment)
(V Compression Adjustment)
1.
Input PAL Special Color Bar (SPCB) (OTHER model) or
Monoscope NTSC (NTSC model) signal using a pattern
generator.
Monoscope NTSC (NTSC model) signal using a pattern
generator.
2.
Set Wide Mode to “ON”.
3.
Copy NORMAL MODE 50Hz/60Hz adjusted data for the
following items:-
GEOM: 011 VSIZ, 010 VSLP, 012 SCOR and 003 VLIN
following items:-
GEOM: 011 VSIZ, 010 VSLP, 012 SCOR and 003 VLIN
4.
Select Category items listed in Table 1 except GEOM:
003 VLIN, 010 VSLP, 011 VSIZ, and 012 SCOR and
adjust the data to obtain the center illustration.
003 VLIN, 010 VSLP, 011 VSIZ, and 012 SCOR and
adjust the data to obtain the center illustration.
5.
Press [MUTING]
t - to save the data into the memory.
6.
For Korea models, copy adjusted 60Hz to 50Hz. Add 6
steps to 50Hz “HPOS” and save the data.
steps to 50Hz “HPOS” and save the data.
– 30 –
KV
-SZ25M80
-SZ25M80
RM-GA002
SECTION 4
DIA
GRAMS
4-1.
BLOCK DIA
GRAM
VIF
SAW
SIF
SAW
MAIN
Power
Supply
Stdby
Power
TUNER
TEQE3-901A
Y
U
V
L
R
24.576MHz
DVD in
Rear AV in
Front AV in
Mon out
* FM Radio Function (STEREO model)
Mon
out
AV1
AV3
in
AV2
in
DVD
in
AC in ~
110 ~ 220V
CISPR/
PFC
Relay
LOW B
Stdy 3.3
AUDIO VCC
L
Audio Amp
ATT
NVM
V Def
H Def
DF
DQP
H Def
DF
DQP
VM
RGB Amp
Rot Amp
LCC Amp
6W
R
6W
L,R
H
P
P
EW, Hd
L,R
V+, V-
PWM
RGB
SIRCS
KEY
buttons
PLL
I/O Port
I/O Port
VIF & SIF
POWER
Color
Decoder
YUV
Processor
Jungle
RGB
A
D
C
C
D
A
C
Stereo,
DSP
Micro
Text
CC & V-chip
LED
+B
– 31 –
KV-SZ25M80
RM-GA002
4-2. CIRCUIT BOARDS LOCATION
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.
kΩ = 1000Ω, MΩ = 1000kΩ
kΩ = 1000Ω, MΩ = 1000kΩ
•
Indication of resistance which does not have rating electrical
power is as follows.
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.
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 10MΩ digital multimeter.
•
Voltage are dc with respect to ground unless otherwise
noted.
noted.
•
Voltage variations may be noted due to normal production
tolerances.
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
: RB
NONFLAMMABLE CEMENT
: RW
NONFLAMMABLE 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 3
blocks. Each block is named by its function and
block "number". eg: Processor/Audio/Tuner/Jack
(Block 001).
Joint connection between boards can be identified
using the block number followed by the grid's guide.
block "number". eg: Processor/Audio/Tuner/Jack
(Block 001).
Joint connection between boards can be identified
using the block number followed by the grid's guide.
eg:-
<
+B
002:16F
Meaning: Block 001 joint "+B" is connected to Block
002 joint "+B" located at grid 16F.
002 joint "+B" located at grid 16F.
A Board
C Board
H1 Board
KV-SZ25M80
RM-GA002
KV-SZ25M80
RM-GA002
– 32 –
– 33 –
4-3-1. A Board — (Block 001)
2.2
C073
2.2
C064
UDZSTE-179.1B
D023
UDZSTE-179.1B
D024
UDZSTE-179.1B
D025
MA111-TX
D059
MA111-TX
D058
MA111-TX
D057
35V
47
C026
MA111-TX
D003
MA111-TX
D002
XXD004
XX
D006
1 2
3 4
5
XX
CN007
Y OUT GND U OUT / FB GND V OUT
1 2
3 4
XX
CN003
135V NC GND VM OUT
TP02
TP03
TP04
XX
D005
16V
100
C004
16V
470
C002
16V
100
C304
16V
100
C036
16V
100
C056
16V
100
C005
2.2
C311
3.3
C065
2SA1235-F
Q010
47uH
L004
16V
100
C303
10
C050
22
C024
1
2 3
4 5 6 7
CN004
XX
GND B OUT G OUT R OUT GND IK 9V
16V
100
C013
16V
220
C317
10V
470
C006
10V
470
C029
FB002
XX
1
2
3
4
5
6
7
WHT
7P
CN3101
KEY
LED R
LED G
GND
VCC
GND
SIRCS
1
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
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
TDA12063H/N1F0B
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
KARA LIN
KARA 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)
SIRCS
B INT
SDA1
VDDC2
VSSC2
IIS WS
IIS CLOCK
MOMUTE-AUDIO
IIS OUT1
IIS OUT1
AUDIO MUTE
AUDIO STDBY
SCL0
SDA0
VDDP(3.3V)
S1/VC(GA)
ROT CTRL
ROT SW
DGC RELAY
AFT(PIP)
MIC SW
VDDC1(1.8V)
DECV1V8
KEY
S2
VSSC1/P
RED LED
GREEN LED
VDDC3(1.8V)
VSSC3
AGC-MUTE
M-SYS-IF
1000p
B
C080
RN-CP
100
R025
16V
0.1
B
C318
1000p
B
C081
1000p
B
C052
25V
0.022
B
C049
RN-CP
100
R385
RN-CP
100
R060
1000p
B
C089
XX
CH
C331
16V
0.22
B
C042
16V
0.22
B
B
C048
RN-CP
220
R099
RN-CP
100
R014
16V
0.22
B
C025
16V
XX
B
C014
CHIP
JR1012
0
16V
0.22
B
C321
4700p
B
C041
XX
B
C324
1000p
B
C322
CH
C034
XX
16V
0.22
B
C030
16V
0.22
B
C012
RN-CP
100
R004
RN-CP
100
R323
16V
0.1
B
C028
RN-CP
R020 100
47p
CH
C319
RN-CP
4.7k
R003
100p
CH
C091
100p
CH
C090
16V
XX
F
C097
RN-CP
68k
R379
CH
C032
XX
250V
0.15
C055
RN-CP
4.7k
R394
25V
XX
B
C072
16V
0.1
B
C038
16V
0.1
B
C054
25V
0.022
B
C053
RN-CP
39k
R051
CHIP
0
JR1011
RN-CP
100
R026
16V
0.1
B
C063
16V
0.22
B
C018
RN-CP
100
R002
RN-CP
12k
R044
CHIP
0
R021
16V
2.2
F
C023
50V
470p
CH
C301
10V
0.47
B
C022
16V
0.1
B
C092
16V
0.1
B
C020
RN-CP
100
100
R039
2200p
B
C329
1000p B
C332
RN-CP
2.2k
R012
RN-CP
220
R097
RN-CP
1k
R059
25V
0.01
B
C328
RN-CP
100
100
R048
1000p
B
C312
RN-CP
100
100
R046
10V
0.47
B
C316
16V
0.1
B
C093
RN-CP
100
R024
16V
2.2
C044
F
1000p
B
C325
RN-CP
4.7k
R320
RN-CP
100
100
R045
RN-CP
100k
R395
RN-CP
470
R337
RN-CP
XX
R006
CHIP
0
R324
16V
0.1
B
C069
RN-CP
220
R096
RN-CP
100
R339
RN-CP
2.2k
R338
RN-CP
4.7k
R336
CHIP
XX
JR1010
100p
CH
C330
1000p
B
C313
RN-CP
100
R384
XX
C099
RN-CP
1.5k
R377
RN-CP
100
R386
RN-CP
100
R380
RN-CP
4.7k
R001
RN-CP
100
R041
RN-CP
100
R030
100p
CH
C003
RN-CP
10k
R010
RN-CP
100
R393
RN-CP
100
R029
RN-CP
2.2k
R042
6800p
25V B
C046
47p
CH
C320
RN-CP
100
100
R038
100p
CH
C021
RN-CP
R392
XX
16V
XX
F
C098
25V
0.01
B
C308
100p
CH
C001
RN-CP
100
R341
RN-CP
2.2k
R340
470p
CH
C010
RN-CP
1.5k
R015
PG102R
D066
RN-CP
470
R011
XX
B
C334
RN-CP
R316
6.8k
RN-CP
4.7k
R315
RN-CP
470
R364
RN-CP
2.2k
R317
CHIP
0
R058
CHIP
XX
R009
0uH
FB005
0uH
FB006
0uH
FB007
0uH
FB008
RN-CP
4.7k
R314
1000p
B
C031
RN-CP
4.7k
R399
RD5.6SB-T1
D064
RD5.6SB-T1
D065
RD5.6SB-T1
D068
MM3Z9V1ST1
D075
10uH
L010
10uH
L011
10uH
L013
10uH
L033 10uH
L036
10uH
L012
RN-CP
100
R022
RN-CP
4.7k
R023
RN-CP
1k
R056
RN-CP
12k
R306
10uH
L003
10uH
L005
10uH
L006
10uH
L007
10uH
L008
10uH
L009
10uH
L031
10uH
L032
10uH
L035
KRC102S
Q001
KRC102S
Q016
KRC102S
Q018
W059
W032
W033
W011
W075
W053
W031
W010
W034
W063
W030
25V
0.1
B
C333
0:CHIP
JR099
0uH
FB009
0uH
FB010
PLLIF
005:7E
SCL-0 005:3F
INR1 006:6G
C1 006:7G
MIC_SW
006:2G
A 004:7I
AUDIO-MUTE
002:4F
VIFIN2-IF
005:6E
S2
006:4G
DGC-RELAY
003:2D
1.8V_AUDIO
003:12D
+B_2 004:16A;005:4F
KARA_L
006:1B
ROT_CTRL
004:16B
MONO_OUTL
005:7E
9V 002:3D;003:12C; 004:1E;005:3F; 006:6A
KARA_R
006:1B
2SIF
005:8E
SYIN
006:3A
INR2 006:4G
5V 003:12C;004:9F; 005:4G;
006:5A
SVIN
006:3A
PWR-OFF-MUTE 002:4F
SUIN
006:3A
LSR-AUDIO 002:2A
AFT-PIP 006:2G
SIFIN2-IF
005:8E
SEL_IN
006:3A
ABL
004:10I
AFC-DEFL 004:1C;006:5A
IIS_CLOCK 002:7F
MOMUTE-AUDIO 002:3D
IIS_OUT1
002:7F
LSL-AUDIO 002:2A
IIS_WS 002:7F
OUTL
006:5A
IFVO/IF_MON_OUT
005:7E
VGUARD-DEFL
004:5I
OCP-PROTECT 004:9I;004:16C
3.3V 003:12B;004:7I; 006:2G
INL2 006:4G
AUDIO-STDBY
002:5G
EWD-DEFL
004:5I
SCL_CN010
006:1C
SDA-0
005:3F
CVBS/PIPOUT
006:6A
INR3
006:5G
CVBS2/Y2 006:4G
SDA_CN010
006:1C
S1/VC
006:6G
INL3
006:5G
SCARTFBL/A16
006:5G
B_CLK
006:1A
VD+-DEFL
004:1F
STBY_SW
003:12E;005:6E
VD--DEFL
004:1H
M-SYS-IF
005:5F
TUAGC-IF
005:5F
SIFIN1-IF
005:8E
AGC-MUTE
005:4F
INL1 006:6G
VIFIN1-IF
005:6E
PH2LF 004:9I
CVBS3 006:6G
OUTR
006:5A
1.8V_MAIN
003:12B
CVBS1/Y1 006:6G
MON-OUT
006:5A
B_DAT
006:1A
HOUT-DEFL
004:1C
B_INT
006:1A
VDDC4_CAP
005:6E
4.7
C302
10V
0.47
C037
B
RD5.6SB-T1
D080
RD5.6SB-T1
D081
8765
4
3
2
1
CAT24WC16W1-TE13
IC003
J
8
10
14
E
B
K
11
15
G
D
1
D
L
4
12
16
E
I
2
6
A
7
C
J
13
G
K
H
3
L
F
5
F
H
I
A
9
C
B
CH
C323
0.01
1SS133T-77
D074
0MHz
X001
MM3Z3V3T1
D082
MM3Z3V3T1
D083
MM3Z3V3T1
D084
W076
W077
W077
W066
CHIP
0
JR801
W079
W078
A
(Block 001)
PROCESSOR
TO H1 BOARD
NVM
3.3V POWER SUPPLY
5V POWER SUPPLY
RESET
PROTECT
PROTECT
PROTECT
RGB MUTE
R MUTE
G MUTE
B MUTE
PROTECT
PROTECT
PROTECT
PROTECT
PROTECT
9V
9V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
1.8V MAIN
1.8V MAIN
1.8V MAIN
B-BX1L(06)-13170-ME.-A(Block 001)-SZ25M80
1
2
3
4
5
6
9
8
7
2
6
5
4
3
11
10
9
8
7
14
13
12
17
16
15
20
19
18
23
22
21
26
25
24
32
31
30
29
28
27
TO A BOARD CN905
TO CV BOARD CN711
TO CV BOARD
CN701
CN4103
153635400
153635400
153635400
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