DOWNLOAD Sony KV-25R2A Service Manual ↓ Size: 5.33 MB | Pages: 44 in PDF or view online for FREE

Model
KV-25R2A
Pages
44
Size
5.33 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-25r2a.pdf
Date
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Sony KV-25R2A Service Manual ▷ View online

45
5-4 SEMICONDUCTORS 
1
5
E
C
B
E
C
B
1
2
3
1   V 
OUT
2   V 
IN
3   GND
1
4
5
8
( TOP VIEW )
C
B
E
2
3
5
6
7
1
4
B
C
E
LETTER SIDE
B
C
E
STV9379
DTC114EK
DTC114EKA-T146
DTC144EKA-T-146R
2SA1037K-T-146-QR
2SC2412K-QR
2SC2412K-T-146-R
SBX1981-51
ST24W08FM6TR
BF421-AMMO
2SA1091-O
SE-135N
SE135N-LF12
2SA933AS-QRT
2SA933AS-RT
2SC1740S-RT
SAA5498PS/M1A/056
SAA5498PS/M1A/074
SAA5498PS/M1A/076
( TOP VIEW )
52
27
1
26
STR-F6654
TDA7495
( TOP VIEW )
1
12
24
13
TOP209P
( TOP VIEW )
1
4
8
5
TYA7805CTV
TYA7809CTV
2SK2251-01-F19
E
B
C
8
7
6
5
1
3
4
( TOP VIEW )
2
LM393N
TDA2822M
TEA2124
1
15
2SC688-LK
CD4052BCM
LM2940CT-9.0
NJM4558M-TE2
TDA9870
BF87-127
PST593C-MMP-4P
SD2539 (SONY)
1
(TOP VIEW)
8
9
16
IN
GND
OUT
( TOP VIEW )
1
4
8
5
1
( TOP VIEW )
31
64
32
E
B
C
TDA9818-V1
4
1
2
3
( TOP VIEW )
46
CATHODE
ANODE
CATHODE
ANODE
2
1
3
1
3
2
AK04WS
ERC04-6SE
MTZJ-T-77-4.7B
MTZJ-T-77-3.9B
MTZJ-T-77-5.6B
MTZJ-T-77-6.8A
MTZJ-T-77-9.1B
MTZJ-T-77-12B
MTZJ-T-77-22B
DAN202K
DAN202K-T146
AK04-V1
AU-01Z-V1
DINL20-TR
ERB44-06TP1
EG-1Z-V1
EL1Z
ERD28-06S
ERC06-15S
FMN-G12S
UF4005PKG23
CATHODE
ANODE
GP08DPKG23
GP15GPKG23
LSB360HL
RB501V-40TE-T7
RG1CLF-B1
RGPO2-17EL-6433
RGP15GPKG23
RGP10GPKG23
RU-4AM-T3
MTZJ-T-77-33A
P6KE200AG23
RD3.9ES-B2
RD5.6ESB2
RD6.8ES-B2
RD9.1ES-B3
RN3Z-LF014-302
1SS119-25TD
1SS133T-77
D45B60L-F
47
45
APC
<HUE>
C VCO
4.433619MHz
3.579545MHz
9.582058MHz
PAL/NTSC
DEMOD
COLOR SYSTEM DISCRIMINATOR
PAL ID <PAL/NTSC> <XTAL ID>
PAL/NTSC COLOR KILLER <KILLER>
SECAM ID <SECAM>
<XTAL> <COL SYSTEM> <COL LOOP>
<ID START> <ID STOP> <HUE>
CHROMA
AMP
BPF
PAL 4.43MHz
NTSC 3.58MHz
<C BPF>
BELL
FILTER
(ZAP)
LIM
AMP
PLL
SECAM
FM DEMOD
ACO DET.
ACC AMP
ACC AMP
ACC DET
FILTER ALIGNMENT
CHROMA SW
Y SW
MONITOR SW
VIDEO SW
<VIDEO SEL>
<S SEL>
ATT
V SYNC SEP
<VSS>
<VSS LPF>
H SYNC SEP
<HSS>
COUNT DOWN     LINE COUNTER
               V TIM GEN
<FIELD FREQ>     <UNDER SCAN>
<CD MODE>
<INTERLACE>      <FIELD ID>
H SAW GEN
H OSC
<ZAP>
DL
PAL/NTSC
300 x 200nS
SECAM
300 x 200nS
<Y DELAY>
SHARPNESS DL
SHARPNESS AMP
<SHARPNESS>
<SHP FO>
<PREOVER>
SECAM
VCO
CAL. by
4.43MHz
DE-
EMPHASIS
LINE BLK
SW
NTSC
PAL,SECAM
KILLER
<KILLER OFF>
1H
DELAY LINE
(PAL/SECAM)
DPIC
<DPIC>
<AGING>
CLAMP
DC TRAN
<DC TRAN>
EYUV CLAMP
YUV SW
<Y SEL>
YUV OUT
<C DECOD>
COLOR AMP
<COLOR>
<C DFF>
AXIS
<COL MATRIX>
Y/C MIX
RGB CLAMP
VPROT
<VNG>
VM AMP
(OFF YS/YM)
WIDE SAW FUNC
<ASPECT>
<SCROLL>
<UPPER VLIN>
<LOWER VLIN>
<V ZOOM>
<V UNDER SCAN>
PHASE DET
<H POSITION>
<AFC BOW>
<AFC ANGLE>
HPROT
<HNG>
AKB
<IKR>
DAC
SW
PC BUS
DECODER
STATUS I/T
EW PARABOLA FUNC
<H SIZE>
  <TRAPEZIUM>
<PIN AMP>
  <EW DC>
<CORNER PIN>
48
47
46
5
1
15
39 38 37
28
27
26
25
32
31
30
29
23
24
35
14
11
19
18
20
36
42
3
CLAMP
RGB 2/2
ABL/PEAK LIM
<ABL MODE>
<ABL VTH>
17
5
IREF             REG
33
10
12
16
13
4
7
9
6
41
2
43
HD GEN
<HD W>
V SAW GEN
(50/50)
VTIM
H TIM GEN
<H BLK>
<LEFT HBLK>
<RIGHT HBLK>
AFC
<APC GAIN>
<FH HIGH>
<H CENT>
21
22
34
VD SAW FUNC
<VON>
      <S CORRECTION>
<VSIZE>                      <V LINEARITY>
<V POSITION>
      <EHT COMP>
TRAP
PAL 4.43MHz
NTSC 3.58MHz
SECAM 4.2 - 4.43MHz
<TRAP OFF>
YS1 SW
<RGB SEL>
YM SW
DYNAMIC COLOR
<DY COL>
Y32 SW
PICTURE AMP
<PICTURE>
GAMMA AMP
<GAMMA>
CLAMP
BRIGHT CONT
<BRIGHT>
DRIVE AMP
<R/G/B DRIVE>
R/G/B BLK
<PON>
<RGB ON>
CUTOFF CONT
<R/G/B CUTOFF>
A BOARD IC301 CXA2060AS
20
21
SIF
AMPLIFIER
SIF
AGC
AFC
DETECTOR
VOLTAGE
REFERENCE
INTERCARRIER
MODE SWITCH
VCO
TWO
FPLL
FM-PLL DEMODULATOR
VIF
AMPLIFIER
VIF
A G C
T U N E R
A G C
QSS MIXER
INTERCARRIER
MIXER
AM DEMODULATOR
VIDEO
DEMODULATOR
AND AMPLIFIER
3
12
13
11
10
9
5
24
23
2
1
14
22
15
4
6
19
7
18
17
16
8
A BOARD IC101 TDA9817/V1
1
5
MUTE/STBY
PROTECTIONS
14
9
10
12
4
3
2
VOLUME
VOLUME
OP AMP
OP AMP
30K
30K
60K
A BOARD IC201 TDA7495
REG
T.S.D
O.V.P
LATCH
Iconst
O.S.C
DRIVE
START
5
3
2
1
4
A BOARD IC606 STR-F6654
FLYBACK
GENERATOR
THERMAL
PROTECTION
2
6
3
5
4
7
1
POWER
AMPLIFIER
+
-
A BOARD IC501 STV 9379
5-5. IC BLOCK DIAGRAMS
48
•
Items with no part number and no description are not 
stocked because they are seldom required for routine 
service.
•
The construction parts of an assembled part are indi-
cated with a collation number in the remarks column. 
•
Items marked “ * “ are not stocked
since they are seldom required for
routine service. Some delay should
be anticipated when ordering 
these items.
REF. NO.              PART.NO                    DESCRIPTION                                     REMARK
REF. NO.              PART.NO                    DESCRIPTION                                     REMARK
6-1.  CHASSIS
NOTE :
SECTION 6
EXPLODED VIEWS
1 £
 1-571-433-21 SWITCH, PUSH (AC POWER)
2
*4-202-531-01 AC CORD LOCK (SC)
3 £
 1-765-286-11 CORD, POWER 
4 £
 1-453-264-11 TRANSFORMER ASSY, FLYBACK (NX-1680/U2B4)
5
 8-598-432-00 TUNER (FSS BTP-AC411) 
6
*A-1652-053-A S1 BOARD, COMPLETE (KV-25R2A/25R2D/25R2R)
*A-1652-052-A S1 BOARD, COMPLETE (KV-25R2E/25R2K)
7
*A-1632-791-A A BOARD, COMPLETE (KV-25R2A)
*A-1632-790-A A BOARD, COMPLETE (KV-25R2D)
*A-1632-789-A A BOARD, COMPLETE (KV-25R2E)
*A-1632-792-A A BOARD, COMPLETE (KV-25R2K)
*A-1632-793-A A BOARD, COMPLETE (KV-25R2R)
8
 4-203-259-21 COVER, REAR
9
 7-685-663-71 SCREW + BVTP 4X16 TYPE 2 IT-3
 
7
 
5
 
1
 
2
 
4
 
6
 
3
 
8
 
9
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