Sony ICF-M1000 Service Manual page 36

ICF-M1000
Ver. 1.3
ICF-M1000
2-6. SCHEMATIC DIAGRAM – VOLUME/POWER Section –
DIVIDER
IC402
TC7W74FU(TE12R)
VCC PR Q
CLR
CK D Q GND
C425 C424 C423 C445 C427
1 0.1 0.1 1
JW903
D912 D911
1SS133T-77 1SS133T-77
D910
1SS133T-77
+3V REGULATOR
IC901
XC6201P302PR
O I
G
C914
1000
C913
10V
C916 C915 220 C912
0.01 0.01 10V 0.01
JC407
0
R421 R422
IC403 1M 1M
LEVEL SHIFT
TC74VHC14FT
(EKJ)
D402
RB520S-3D
-TE61
C426
R420 C429 C428
0.047
1 220k 220p 220p
(Page 6)
7 1
R912
10k
C918
1000p
Q901-903
+7.5V REGULATOR
Q903 R910 R911 D907 R906
2SC3243 1k 1k 1SS133T-77 10k
-TP-E
R907
D908 4.7k
1SS133T-77
Q902
JW902 2SA1602TP
-1EF
R909
10k
Q901
2SC4154TP
-1EF
C911
470 C910 R908 C909
10V 0.01 4.7k 0.01
D909
MTZJ-T-77-7.5B
8 8
W301
(Page 6)
CN304
11P
R411 47
R410 C440
1k 0.47
(US,CND)
R253
(AEP,UK)
2.2k
SW1
ROTARY ENCODER
TUNE/TIME SET
R424
220k
R423
220k
-1 -2 -1 -2
RV301 RV302
50k/50k 50k/50k
TONE VOLUME
R905 D906 R902
10k 1SS133T-77 220
∗
3.15A 125V (CND)
D913 R903
T2AL 250V (AEP,UK)
MTZJ-T-77-15B 470
C908
220
(CND,AEP,UK)
25V
R904
470
D905
1SS133T-77
C907
10
JW904 C901 0.1
50V
D901
1N4002B L901 JW901
D902
(US)
1N4002B L902
C906
0.01
C902
0.1
C903
0.1
D903
1N4002B
D904
1N4002B
R901
1M
C905
C904
4700 1/2W
0.1
16V
(US,CND)
C128
100p
C228
100p
C239
100p
C139
100p
F901
(US,CND)
F901
∗
T901
POWER
TRANSFORMER
(AC IN)
TM902
TM901
T901
POWER
TRANSFORMER
(AEP,UK)
∗
NOT REPLACEBLE:
BUILT IN TRNASFORMER