Circuit Description - Sherwood R-772 Service Manual

M3062LFGPFP : IC402
1. Pin Description
SUB_DATAOUT
SUB_CLK
FL_CE
FL_CLK
FL_DATA
RMC/IR
BYTE
CNVSS(UPGRADE)
ST/BY_RLY
RESET
XOUT
12M VSS
XIN
VCC1
NMI
F_RLY
S_RLY
C_RLY
SB_RLY
H/P_RLY
S_MUTE
SB_MUTE
C_MUTE
F_MUTE
DCOUT
RF_RMC_RX
RF_RMC_TX

CIRCUIT DESCRIPTION

100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Vcc1=Vcc2=Avcc=VREF:+3V3
25
26
RED COLOR : These pins must be fixed.
27
28
29 O.DRAIN
30 O.DRAIN
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
(8, 9, 12, 13, 14, 15, 16, 17
41, 46, 62, 64, 96, 98, 99)
13
24C16_SDA
80
24C16_SCL
79
PLL_CE
78
PLL_DATA
77
RDS_DATA
76
RDS_CLK
75
SUB_IRQ
74
73 MAIN_IRQ
72 PLL_CLK
TUNER_DO
71
70
69 TUNED
68
67
66 SUB_RST
65 SUB_PDN
VSS
64
63
VCC2
62
COMP_MUTE
61
COMP_DET
60
SV_DET
59
C_DET
58
BU2090_DATA
57
BU2090_CLK
56
TA1270_SDA
55
TA1270_SCL
54
OSD_CE
53
OSD_CLK
52
OSD_DATA
51