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 1
JW903
D912 D911
1SS133T-77 1SS133T-77
D910
1SS133T-77
JW902
+3V REGULATOR
IC901
XC6201P302PR
O I
G
C914
1000
C913
10V
C916 C915 220 C912
0.01 0.01 10V 0.01
JC407
0
R411
R421 R422
IC403 1M 1M
LEVEL SHIFT
TC74VHC14FT
(EKJ)
R424
220k
R423
220k
D402
RB520S-3D
-TE61
C426
R420 C429 C428
0.047
220k 220p 220p
(Page 6)
7 1
R912 R905
10k 10k
D913
MTZJ-T-77-15B
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 C906
Q902 0.01
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
C128
47
100p
C228
R410 C440 100p
1k 0.47
(US,CND)
R253
(AEP,UK)
2.2k
C239
100p
SW1
ROTARY ENCODER
C139
TUNE/TIME SET 100p
-1 -2 -1 -2
RV301 RV302
50k/50k 50k/50k
TONE VOLUME
D906 R902
1SS133T-77 220
∗
F901
R903 3.15A 125V (CND)
T2AL 250V (AEP,UK)
470
C908
220
(CND,AEP,UK)
25V
R904
470
D905 F901
1SS133T-77
∗
C907
10
JW904 C901 0.1
50V
T901
POWER
D901
TRANSFORMER
1N4002B L901 JW901
D902
(US)
1N4002B L902
C902
0.1
C903
0.1
D903
1N4002B
D904
1N4002B
R901
T901
C905 1M
POWER
C904
4700 1/2W
0.1 TRANSFORMER
16V
∗
NOT REPLACEBLE:
(US,CND)
BUILT IN TRNASFORMER
(US,CND)
(AC IN)
TM902
TM901
(AEP,UK)