Sony KV-XA25M80 Service Manual page 64

1 2 3
A
B
L901 #
R901 # R902 #
C
JW902
#
L902
+5V
#
J901
#
C901 C902
# #
-2
7V
+5V
STBY+5V 1
D
GND 2
7V
7V 3
LED2
LED2 4
LED1
LED1 5
GND 6
SIRCS 7
+5V
KEY2 8
E R909
KEY1 9
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
#
R918 C913
R913 R917 100
#
# # 10V
Q901
#
C910
G
S905 # LED2
#
R914
# LED1
Q902
S906 #
#
D906
R915 #
#
2
H
1
S907
#
3
C911
IC901
#
#
I
J
KV-XA25M80/XA25M83/XA25N90
RM-954
4 5 6
52 51 50 49 48 47 46 45 44 43 42 41 40 39 38
2 3
1
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
R067
R043
1k R046
1k
1k
:CHIP
R054 :CHIP
:CHIP
C042
#
100p
R045
CH:CHIP
0UH
C029 R044
:CHIP
C048 R042
# 100
R066
100p 0
:CHIP
1k
CH:CHIP :CHIP
:CHIP
X001
CST10.00MX
VIBRATOR,CERAMIC
R055
#
Q005
C045
DTA114TK
C034 #
R068
C046
100P
470
#
:CHIP
R040
100
:CHIP
C031
0.1 C030
25V 22
B:CHIP
C027
R041
0.1
100
:CHIP 25V
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
L004
JW(5)
7V
– 69 –
KV-XA25M80/XA25M83/XA25N90
RM-914 RM-954 RM-914
7 8 9
TO PAGE 1 (1/4)
37 36 35 34 33 32 31 30 29 28 27
11V
IC001
*
SYSTEM
CONTROLLER
16 17 18 19 20 21 22 23 24 25 26 R030
*
YS
R031
1k
R032
:CHIP
100
:CHIP
R034
C054
1k
#
:CHIP
R036
100
:CHIP
R049
#
R039
R037
# *
11V
R006
R050 R057
C025
10k *
#
#
:CHIP
D004
0 :CHIP
C026
D003
0.1
#
25V
B:CHIP
R328
4.7k
:CHIP
11V
TO VM1 BOARD
10 11 12
9V
R339
C336
220 R345
0.1
10K
: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
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
470
OUTSEL
R314
:CHIP
27k
R313 :CHIP
330 :CHIP
Y OUT
R317
C323
56k
#
DGND
:CHIP
R318
C335 AGND C352
R316
-3
390
0.1 0.1
330
:CHIP
L304 25V
25V :CHIP
R329
B:CHIP
B:CHIP
470
VDD V IN
:CHIP
R379 R380
9V C347
10M #
100
-3 -3
:CHIP
16V
VCC SYS1
R382
4.7k
SC SYS2
:CHIP C350
0.01
C348
F:CHIP
0.1
FSCSEL
25V
FSC
B:CHIP
R384
470
:CHIP
Q309
UN2213
C349
SWITCH
0.1
25V 2SA1162-G
R385
B:CHIP
150
9V
:CHIP
CN306
4P
WHT
:S-MICRO
CN5901
– 70 –
13 14
PAGE 1 (3/4)
SYSTEM CONTROLLER,Y/C JUNGLE,DEFLECTION,
TUVIF,FRONT AMP,POWER SUPPLY
JOINT A38
JOINT A39
JOINT A40
JOINT A41
JOINT A42
JOINT A43
JOINT A44
JOINT A45
JOINT A46
JOINT A47
JOINT A48
JOINT A49
JOINT A50
JOINT A51
Q305
2SA1162-G
BUFFER
JOINT A52
JOINT A53
R383
1k
:CHIP
JOINT A54
JOINT A55
JOINT A56
Q314
BUFFER
JOINT A57
JOINT A58
JOINT A59
B-SSSBG3R-...--A..PG 1 (3/4)