DOWNLOAD Sony KV-XF25M50 (serv.man2) Service Manual ↓ Size: 3.69 MB | Pages: 70 in PDF or view online for FREE

Name: Sony KV-XF25M50 (serv.man2)
Brand: Sony
SKU: 14249
Rating: 4 (1 reviews)

Model: KV-XF25M50 (serv.man2)
Pages: 70
Size: 3.69 MB
Type: PDF
Document: Service Manual
Brand: Sony
Device: TV
File: kv-xf25m50-sm2.pdf
Date: 2018-11-20

PREV: Sony KV-XF34K94 Service Manual

Sony KV-XF25M50 (serv.man2) Service Manual ▷ View online

– 42 –
– 43 –
– 41 –
– 44 –
KV-XF25M50/XF25M80
RM-954
KV-XF25M50/XF25M80
RM-954
KV-XF25M50/XF25M80
RM-954
KV-XF25M50/XF25M80
RM-954
SECTION  5
DIAGRAM
5-1. BLOCK DIAGRAM
MAIN. TUVIF 
with
STEREO DECODER
<slave: 84H>
TU101
BTF-LG433
<slave: C0H>
COMB FILTER
(Glass Combs)
YC JUNGLE
IC301
CXA2139S
<slave:88H>
FRONT
VIDEO IN 3
from H3
MONITOR
OUT
TV V in
47
TV L in
48
TV R in
L1 out
CV/Y in
C in
CV/Y out
43
45
4
9
7
2
C1 out
CN1307
CN304
COMB Y in
COMB C in
R1 out
46
39
38
V1 V in
1
V1 L in
2
V1 R in
4
V1 Y in
3
V1 C in
5
V1 S1 in
6
V2 V in
7
V2 L in
8
V2 R in
10
V out 2
29
L out 2
28
R out 2
26
JACK BLOCK
J1402
PIN 9P
* 
VIDEO IN 3
V3 L in
14
V3 R in
16
V3 CV Y in
15
V3 C in
17
VIDEO IN 1
* VIDEO IN 2
B3
TRU Surround
IC3201
NJM2187L
AV SW
IC1401
CXA1855S
<slave: 90H>
CN1307
BBE
IC3206
NJM2150D
DAC IC3205
CXA1315P
<slave:48H>
AUDIO  PROCESSOR
IC3207 TDA7315D
<slave:80H>
DBFB
IC3202
DBFB (3D)
O6202
AUDIO OUT
IC6201
AUDIO OUT
IC6200
TA8200AH
RED OUT
GREEN OUT
BLUE OUT
STV5112
IC701
N/S DRIVE
IC1800
H3
C
VM1
SP ASSY
R out
CRT SOCKET
G out
CRT
A60LPN70X
NECK ASSY
DY
Y34RSA-M
B out
R out
G out
B out
22
23
24
21
19
18
11
13
14
IK in
H. DRIVE
H. PULSE
E/W
VD+
VD-
VM DRIVE
Q5902/5906
H-OUT
Q511
2SC4927
V-OUT
IC503
TDA8172
HDT
T501
H-DRIVE
Q506
2SC2688
PIN-CONT
IC502
NJM2903D
PIN-OUT
Q505
IRF614
PMT
T505
HLT
T504
FBT
T503
NX-4009
+B
Audio Front Vcc
+9V
+5V
11V
7V
5V REG & RESET
IC002 MN1319AF
9V REC IC603
5V REC IC604
STB TRANS
T604
STB SW TR
Q605 2SK2845
SRT
T603
POWER
IC601
STR-F6656
LINE FILTER
T601
THP
THP600
DGC
SYSTEM
Ucom
IC001
CXP86461
RECEIVER
SBX1981-11
IC3901
H3
A
B2
SIRCS
HALF
R G B
BLK
I2L
MEMORY
IC003
ST24C08FB6
28 29 30 31
F
LINE 
FILTER
T4601
T4602
AC CORD
CN101

– 46 –
– 47 –
– 45 –
– 48 –
KV-XF25M50/XF25M80
RM-954
KV-XF25M50/XF25M80
RM-954
KV-XF25M50/XF25M80
RM-954
KV-XF25M50/XF25M80
RM-954
5-2. FRAME SCHEMATIC DIAGRAM
CN3903
CN1405
CN604
CN306
CN304
CN703
DY
1
DGC
B
9V
IK
1
5
6
(RGB OUT)
1
2
3
4
5
6
1
VD+ OUT
VD- OUT
15V
N/S ROT
N/S MUTE
GND
E
CN1801
CN704
PICTURE
TUBE
1
2
3
4
5
6
H+
H+
H-
H-
V-
V+
1
2
3
4
5
6
7
VM
GND
9V
VM MUTE
GND
NC
+B
CN5901
1
2
3
4
5
6
7
8
9
10
11
C OUT
NC
NC
Y OUT
NC
NC
VIDEO IN
VCC
GND
NC
NC
CN2302
1
2
3
4
5
6
7
8
9
10
11
1
2
3
7
VM
C OUT
APCN
FSC
GND
9V
+B
Y OUT
5V
GND
GND
VIDEO
9V
GND
NT/P
AL
(POWER SUPPLY, HV, MICON, Y/C JUNGLE)
1
2
3
4
5
6
7
8
9
10
CN101
L OUT
GND
CV/Y OUT
C OUT
NC
GND
SCL
SD
A
11V
R OUT
1
2
3
4
5
6
7
8
9
10
1
2
3
DGC
NC
DGC
1
2
3
4
5
6
7
8
9
2
1
GND
LED 1
KEY 2
SIRCS
STBY +5V
7V
LED 2
GND
KEY 1
A
C
 IN
A
C
 IN
KEY 2
LED 1
GND
7V
KEY 1
SIRCS
GND
LED 2
STBY +5V
NC
NC
NC
A
C
 OUT
A
C
 OUT
1
2
3
4
5
6
7
8
9
1
2
3
4
5
1
2
3
4
5
6
VD+
GND
VD-
15V
NS ROT
NS MUTE
CN507
CN3901
1
2
3
4
SP OUT
SP GND
SP GND
SPR OUT
SP L
SP R
1
2
3
5
W IN
W IN
W OUT
W GND
AUDIO PROCESSOR, 
VM1
B2
A
H3
(FUNCTION KEY)
B3
C
R IN
11V
SD
A
SCL
GND
S IN
C IN
CV/Y IN
GND
L IN
GND
GND
W OUT
W OUT
5
4
2
1
CN6202
A
UDIO GND
MUTE
9V
3
2
1
CN6206
AV SWITCH
NECK ASSY
DY ASSY
N/S COIL +
N/S COIL -
3
1
NS COIL
CN1802
2N
C
CN702
1
G
2
FBT
4
3
GND
R
H1
3
2
1
E
200V
CN701
2
G
9V
IK
GND
GND
R
B
6
5
4
3
2
1
CN305
1
2
3
H1
GND
200V
CN505
CN904
CN3905
CN3602
CN601
CN104
CN3603
1
E
GND
1
SP R IN
SP GND
SP GND
SP L IN
4
3
2
1
CN3902
W GND
4
GND
3
4
5
7
L IN
A
UDIO GND
PR
O
T
R IN
6
CN201
PR
O
T
R OUT
GND
L OUT
GND
MUTE
9V
7
6
5
4
3
2
1
1
2
3
4
5
6
7
GND
TV OUT
GND
TV R  OUT
GND
TV L OUT
GND
CN102
6
TV L IN
GND
GND
TV R IN
7
5
4
CN1407
1
2
3
GND
TV IN
GND
STBY
-MUTE
8
STBY
-MUTE
8
A
UD GND
A
UD +VCC
A
UD GND
A
UD +VCC
4
3
2
1
A
UDI +VCC
A
UDI GND
A
UDI +VCC
A
UDI GND
CN608
4
3
2
1
CN6200
3
A
UDIO GND
CN6204
1
2
4
L SP
A
UDIO GND
R SP
GND
2
L IN
GND
3
4
9
5
1
CV/Y IN
S IN
R IN
CN3904
7
6
GND
SW
C IN
8
CN1400
GND
S IN
CV/Y IN
GND
L IN
R IN
9
5
4
3
2
1
6
7
8
GND
NC
C IN
NC
GND
6
5
MUTE
4
AC IN
2
1
AC IN
CN4602
CN601
A
C
 IN
A
C
 IN
2
1
F
(CISPR)
8
6
7
CN1409
1
5
10
4
3
2
9
NC
M R-Y
B-Y
GND
MY
GND
M B-Y
Y
GND
R-Y
6
GND
SCP
VTIM
SD
A
7
5
4
CN1408
1
2
3
SUB-V
GND
SCL
GND
9V
9
8
10
5V
AC IN
NC
NC
AC IN
4
3
2
1
CN3601
(COMB FILTER)
VELOCITY
MODULATION

○○○○○○○
○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○
○○○○○○○
○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○
5-4. SCHEMATIC DIAGRAMS AND PRINTED WIRING BOARDS
Note:
•
All capacitors are in 
µ
F unless otherwise noted.
•
All electrolytic capacitors are rated at 50V unless otherwise noted.
•
All resistors are in ohms.
k
Ω
 = 1000
Ω
, M
Ω
 = 1000k
Ω
•
Indication of resistance which does not have rating electrical power is as
follows.
Pitch: 5 mm
Rating electrical power 1/4W (CHIP: 1/10W)
•
: nonflammable resistor.
•
¢
: internal component.
•
: panel designation or adjustment for repair.
•
All variable and adjustable resistors have characteristic curve B unless
otherwise noted.
•
Readings are taken with a color-bar signal input.
no mark : PAL
(           ) : SECAM
[           ] : NTSC 3.58
«     »
: NTSC 4.43
•
Readings are taken with a 10 M
Ω
 digital multimeter.
•
Voltage are dc with respect to ground unless
otherwise noted.
•
Voltage variations may be noted due to normal
production tolerances.
•
All voltages are in V.
•
:Cannot be measured.
•
Circled numbers are waveform references.
•
:B + bus.
•
:B – bus.
•
:signal path.

Reference information
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 
!
 are critical for safety. Replace only with
part n umber specified.
5-3. CIRCUIT BOARDS LOCATION
VM1
A
B2
B3
F
H3
C
5
8
2
6
2
2
3
8
8
8
INT0
INT1
INT2
TEX
TX
EXTAL
XTAL
RST
MP
V
DD
V
SS
RMC
AN0~AN5
6
PA0~PA7
PORT A
PORT B
PORT C
PORT D
PORT E
PORT F
PORT G
PB0~PB7
PC0~PC5
PC6~PC7
PD0~PD7
PE0~PE1
PE2~PE3
PE4~PE6
PF0~PF7
PG3~PG6*, PG7
S1
SO
SCK
SDA0
SDA1
SCL0
SCL1
PWM
ADJ
PWM0~PWM7
(PWM0~PWM5)
I
2
C BUS
INTERFACE UNIT
8-BIT PWM 8CH  
 (6CH)
14BIT PWM 1CH
ON SCREEN
DISPLAY
8-BIT TIMER/
COUNTER 0
SERIAL INTERFACE
UNIT
REMOCON     FIFO
A/D CONVERTER
6CH
SPC700 CPU CORE
ROM
12K/16K/24K/32K
40K/48K/60K BYTES
PRESCALER/
TIME-BASE TIMER
WATCHDOG TMER
32kHZ
TIMER/COUNTER
RAM
352/704/1536 BYTES
CLOCK GENERATOR
/SYSTEM CONTROL
INTERRUPT CONTROLLER
8-BIT TIMER 1
HSYNC COUNTER 1
HSYNC COUNTER 0
8 (6)
EC
XLC
EXLC
R
G
B
I
YS
YM
HSYNC
VSYNC
HS0
HS1
TO
2
2
2
4.9Vp-p (V)
1.8Vp-p (V)
SECAM
NTSC
PAL
3.5Vp-p (H)
3.5Vp-p (H)
3.6Vp-p (H)
2.0Vp-p (V)
924Vp-p (H)
134Vp-p
0.7Vp-p (V)
PAL/SECAM
NTSC
0.9Vp-p (H)
PAL
0.7Vp-p (H)
3.5Vp-p (H)
NTSC
SECAM
3.7Vp-p (H)
4.1Vp-p (H)
PAL
SECAM
NTSC
1.3Vp-p (H)
1.3Vp-p (H)
1.3Vp-p (H)
1
2
3
4
5
6
7
8
8
9
10
11
11
11
12
12
12
13
13
13
14
15
16
0.8Vp-p (H)
0.6Vp-p (H)
PAL :
SECAM :
0.7Vp-p (H)
1.0Vp-p (H)
3.9Vp-p (H)
3.6Vp-p (H)
PAL/SECAM :
NTSC :
1.8Vp-p (V)
0.8Vp-p (H)
A BOARD IC001 CXP86461-621S
A BOARD WAVEFORMS
– 50 –
– 49 –
– 51 –
KV-XF25M50/XF25M80
RM-954
KV-XF25M50/XF25M80
RM-954
KV-XF25M50/XF25M80
RM-954
Schematic diagram
A
(1/2)    board 
/

Display

Click on the first or last page to see other KV-XF25M50 (serv.man2) service manuals if exist.

RANDOM: