Sony KV-XA25M50 Service Manual page 89

1 2 3
A
B
L901 #
R901 # R902 #
C
JW902
#
L902
+5V
#
J901
#
C901 C902
# #
-2
7V +5V
STBY+5V 1
2
D GND
7V
7V 3
LED2
LED2 4
LED1
LED1 5
6
GND
SIRCS 7
+5V
KEY2 8
R909
KEY1 9
E
4.7k
S901
:CHIP
#
CN904
9P
R911
WHT
#
:S-MICRO
TO H BOARD
D904
CN3905
#
R910
S902
4.7k
#
L005
:CHIP
:CHIP
F
S903
#
R912
D905
# C912
#
0.1 L905
R916
25V
# +5V
B:CHIP
S904
#
C913
R918
R917 100
R913 #
# # 10V
Q901
#
C910
G
S905
# LED2
#
R914
# LED1
Q902
S906 #
#
D906
R915 #
#
2
H
1
S907
#
3
C911
# IC901
#
I
J
– 93 –
KV-XA25M50/XA25M80/XA29M50
KV-XA29M80/XA29M90/XA29N90
RM-954
4 5 6
TO PAGE 1 (1/4)
52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36
SYSTEM
2 3
1 CONTROLLER
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
R067
R043
1k R046
1k
:CHIP 1k
R054 :CHIP
:CHIP
C042
#
100p
R045
CH:CHIP
0UH
C029 R044
:CHIP
# C048 100 R042
R066
100p 0
:CHIP
1k
CH:CHIP :CHIP
:CHIP
X001
CST10.00MX
VIBRATOR,CERAMIC
R055
#
Q005
C045
*
C034 #
R068
C046
100P
470
#
:CHIP
:CHIP
R040
100
:CHIP
C031
0.1 C030
C026
25V 22
0.1
B:CHIP
25V
B:CHIP
C027
R041
0.1
100
25V
:CHIP
5 6 7
B:CHIP
IC002
MM1319AFBE
RESET SUREG
4 3 2 1
C914
#
C032
C019
R048 C028
0.47
47
10k 0.022
16V
25V :CHIP B:CHIP
B:CHIP
D010
L004
*
JW(5)
7V
KV-XA25M50/XA25M80/XA29M50
RM-954 RM-954
KV-XA29M80/XA29M90/XA29N90
RM-914 RM-954 RM-914
7 8 9
35 34 33 32 31 30 29 28 27
11V
IC001
*
R030
18 19 20 21 22 23 24 25 26
100
YS
R031
1k
R032
:CHIP
100
:CHIP
R034
C054
1k
#
:CHIP
R036
*
R049
# R037
R039
*
#
11V
R006
R050
R057
C025
*
10k
# #
:CHIP
D004
0
:CHIP
D003
#
R328
4.7k
:CHIP
R329
470
:CHIP
11V
TO VM1 BOARD
CN5901
10 11 12 13
SYSTEM CONTROLLER,Y/C JUNGLE,DEFLECTION,
TUVIF,FRONT AMP,POWER SUPPLY
9V
R339
C336
220 R345
0.1
22K
:CHIP
25V
B:CHIP
R348
JR302
10k
# C341
:RN-CP
0.22
25V
B:CHIP
R338
330
R320
R321
4.7k
10k
:CHIP
:CHIP
9V
D316
RD7.5SB1-T1
D315
1SS355TE-17
Q302
9V
2SC2712-YG
AMPLIFIER
R311
IC302
470 Q303
TDA9181T
R371 :CHIP
2SA1162-G
COMB FILTER
27k
BUFFER
:CHIP
R312
Q306
C OUT
390
2SC2712-YG
INSEL R372 :CHIP
C346 AMPLIFIER
56k
# R378
:CHIP
1.5K
OUTSEL
R314 :CHIP
27k
R313 :CHIP Q305
330 :CHIP
2SA1162-G
Y OUT
R317 BUFFER
C323
56k
#
DGND
:CHIP
R318
C335
AGND C352 R316
-3 390
0.1 0.1 330
:CHIP
L304 25V 25V
:CHIP
B:CHIP B:CHIP
VDD V IN
R380
9V R379
C347
10M #
100
-3 -3
:CHIP
16V
VCC SYS1 R383
1k
:CHIP
R382
4.7K
SC SYS2
C350
0.01P
C348
0.1
FSCSEL
25V
FSC
B:CHIP
R384
470
:CHIP
Q309
UN2213
C349
SWITCH
0.1 Q314
25V 2SA1162-G
R385
BUFFER
B:CHIP
150
9V
:CHIP
CN306
4P
WHT
:S-MICRO
– 94 –
14
PAGE 1 (3/4)
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JOINT A49
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