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A
SCHEMATIC DIAGRAM - 5
A
: +B SIGNAL LINE
SWITCH CIRCUIT
1 2 3
POWER CIRCUIT
S1007 M1 1.5K R901 S1008 M2 2.2K S1009 D901 C901 D904 C904 0.01 M3 2.7K S1010 M4 R1010 3.9K S1011 M5 5.6K S1012 EQ 1K
R1001 VR1001 K0N201C00001 TUNE
1K
R1007
D906 B0AACK000004 F901 250V T800mAL 7 ZA902 ZA901
POWER TRANSFORMER
T901 G4C4AAH00010
B
1 2 3
VR1002 K0N201C00001 VOLUME R1002 1.5K
S1001 -CLOCK ADJ
R1008
D901-D904 B0EAKM000117
4
B JK901
1 2 230V 50HZ
2 1 9
S1003 SLEEP
C903
D902
C902
D903
0.01
0.01
R1004
TO MAIN CIRCUIT (JW901) IN SCHEMATIC DIAGRAM - 2
R1003
P901
ACDET VCC GND 1 2 3
R1009
2.2K
0.01
AC IN
RT_P RT_N
11 10 9 8 7 6 5 4 3 2 1 L1001 0
2.7K
5
3
4
S1004 TIME/-ADJ
C
TO CONTROL CIRCUIT (FFC503) IN SCHEMATIC DIAGRAM - 4
RV_P RV_N KEY1 KEY2 KEY_INT POWER_KEY SRC_LED +5V VREF-
C
R1005
S1005 DISPLAY S1006 5+ S1013 POWER S1014
R1006
5.6K
R1011
3.9K
JW902
BATT9V GND 1 2
D
FP1001
D
AUTO/ -TIME CHECK
E
BATTERY CIRCUIT
JW902
1 2 BATT9V GND
E
F
F
1 FP901 1.25A 2 ET901
6xR14/LR14 BATTERIES
9V
G
ET902
G
H
RF-U300EG SWITCH/POWER/BATTERY CIRCUIT
1 2 3 4 5 6 7 8 9 10 11 12 13 14
H