4
5
2
3
1
C
B
A
SCHEMATIC DIAGRAM
AG-370
FRONT PCB
INSTRUCTIONS FOR SERVICE PERSONNEL
BEFORE RETURNING APPLIANCE TO THE CUSTOMER, MAKE LEAKAGE-
CURRENT OR RESISTANCE MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT.
1
2
3
4
5
6
7
8
9
10
11
12
13
14 PC1
PC0/TM0
PG0/INT
VSS
PB0/BZ
PB1/BZ
PB2
PB3
PA0
PA1
PA2
PA3
PB4
PB5
PB6
PB7
PA4
PA5
PA6
PA7
OSC2/PG2
OSC1/PG1
VDD
RES
PC5/TM1
PC4
PC3
PC2
15
16
17
18
19
20
21
22
23
24
25
26
27
28
8G1
4.00M
30P
30P
+5V
HT24LC02
5
6
+5V
100K
104
104
DIN
STB
CLK
DOUT
SDA
SCL
SPA
SPB
ST LED
PERIOD
CLOCK
DATA
SW2
SW1
TAPE
10K
10k
10k
10k
10k
+5V
1N4148
1N4148
1N4148
1N4148
1N4148
1N4148
10K
10K
8R15
56K
+5V
8R5
10K
8R1
10K
+5V
4
PHONO
TAPE MO~
3
6
5
VIDEO/AUX
2
FM MODE
AM
1
FM1/2
TUNER
7
CD
8
AUTO/~ MEMORY
DOWN
UP
3
4
5
6
2
1
-24V
+5V
+5V
1N4148
8C1
470U/16
8C3
100U/16
8D2
5.1V
8C2
104
8R2
10K
8C4
10uF/25
-24V
1
2
3
1XP7
1
2
3
1XP6
1XP14
1
2
3
4
8C10
104
GND
8D3
8D4
8D5
8D6
8D7
8D8
8R4
8R3
8R18
8R19
8R14
8N2
8C9
104
8C5
8C6
8R13
8C8
8C7
8D1
8R16
8R17
8N1
HT48R50A-1
8N3
+5V
8R20
1.2
8R21
1.2
1 2 3 9 8 7 6 5 4 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 33 34 35
DGND
1.8V AC
1.8V AC
0V AC
SKEY 6
SKEY 5
SKEY 4
SKEY 3
SKEY 2
SKEY 1
KEY 1
KEY 2
KEY 3
KEY 4
PA6
PA7
VFD 25114-1
1
2
3
4
5
6
7
8
9
10
11
33
32
31
30
29
28
27
26
25
24
23
12 13 14 15 16 17 18 19 20 21 22
44 43 42 41 40 39 38 37 36 35 34
PA3
PA4
PB7
PB6
PT6312
PB5
PB4
PA3
PA2
PB3
PB2
PB1
PC1
PC2
1 st Issue; January 2003
AM/FM Stereo Receiver
A
AG
G--3
3770
0
NOTES:
£
Parts marked with this sign are safety critical components.
They must always be replaced with identical components-refer
to the appropriate parts list and ensure exact replacement.
