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IC FUNCTION (Micom BVITMP87PM78F)
PIN No. SYMBOL I/O DESCRIPTION
1 Vdd I +5V
2 NC - NO Connection
3 Func, Mute O Function Mute ON/OFF Output
4 NC - No Connection
5 NC -
6 NC -
7~9 Func, Indicator O Function LED Drive Data Output
10 NC - No connection
11 RDS-DATA I RDS DATA Output
12 FM-L I FM/AM Switching Output
13 RDS-CLK I RDS CLOCK input
14 Stereo-IN I Stereo Display input
15 Tuned-IN I Tuned Display input
16 Protect-IN I Protection input
17~21 Key Input I Resistor Divide Key Control Input
22 Vss - GND
23 Vass - GND
24 Varef - Vdd(+5V)
25 Vdd - +5V
26 Back-up I Backup Mode control
27 Vss - GND
28~29 Func, Up/Down I Function UP/DOWN INput
30 Vss - GND
31 XIN I Crstal element Connection Terminal
32 XOUT O Crstal element Connection Terminal
33 RESET I RESET Input
34 Remote-In I Remote Control Data Input
35 BUS OUT O System Control Signal Output
36 BUS IN I System Control Signal Input
37 SPK ON/OFF O Speker ON/OFF Output
38 NC - NO Connection
39 -20dB Mute O -20dB Mute Output
40 NC - No Connection
41 PLL CE O PLL Serial Chip Enable Output
42 PLL DATA O PLL Serial Data Output
43 PLL CLK O PLL Serial CLOCK Output
44 Option O Amp/Receiver Option
45 NC - No Connection
46 STB O Function IC Signal Output
47 CLK O Function IC Signal Output
48 DATA O Function IC Signal Output
49 NC - No Connection
50 Vkk - VFLP (-33V)
51~61 FIP GRID O FIP GRID Output
62~82 FIP ANODE O FIP ANODE Output
83~85 Option O Region Option
86 Option O Display Option
87 Option O RDS ON/OFF Option
88 Option O Model Option
89 Standby O Standby/ Direct Option Output
90 VOL OP O VOL UP
91 VOL DOWN O VOL DOWN
92 VOL LED O VOL LED Display
93 Power ON/Off O Power ON/OFF Output
94 Standby LED O Standby LED ON/OFF Output
95~100 NC No Connection
3
6
SERVICE MANUAL
4
4
5
5
6
6
7
7
8
8
MAIN PCBA
MAIN PCBA
99
FRONT PCBA
10
IN PUT PCBA
11
11
12
12
AG-H300mk
13
13
SCHEMATIC DIAGRAM AG-H300
AG-H300mk
1 2 3 4 5 6 7 8
A
B
C
D
E
INSTRUCTIONS FOR SERVICE PERSONNEL
BEFORE RETURNING APPLIANCE TO THE CUSTOMER, MAKE LEAKAGE-
CURRENT OR RESISTANCE MEASUREMENTS TO DETERMINE THAT EXPOSED
NOTES:
1. Resistor values are in ohms (k=kilo-ohms, M=megohms).
2. Capacitor values are in microfarads (p=picofarads).
3. £Parts marked with this sign are safety critical components. £
AG-H300
AG-H300mk
14
14
PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT.
They must always be replaced with identical components-refer
to the appropriate parts list and ensure exact replacement. AM/FM STEREO RECEIVER
1 st Issue; June 2001
SCHEMATIC DIAGRAM AG-H300
AG-H300mk
1 2 3 4 5 6 7 8
A
B
C
D
E
INSTRUCTIONS FOR SERVICE PERSONNEL
BEFORE RETURNING APPLIANCE TO THE CUSTOMER, MAKE LEAKAGE-
CURRENT OR RESISTANCE MEASUREMENTS TO DETERMINE THAT EXPOSED
NOTES:
1. Resistor values are in ohms (k=kilo-ohms, M=megohms).
2. Capacitor values are in microfarads (p=picofarads).
3. £Parts marked with this sign are safety critical components. £
AG-H300
AG-H300mk
15
15
PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT.
They must always be replaced with identical components-refer
to the appropriate parts list and ensure exact replacement. AM/FM STEREO RECEIVER
1 st Issue; June 2001