Top View - Denon DRR-M31 Service Manual

SEMICONDUCTORS
IC's
µ µ µ µ µPD78044FGF (IC203)
P113 / FIP21
P112 / FIP20
P111 / FIP19
P110 / FIP18
P107 / FIP17
P106 / FIP16
VLOAD
P105 / FIP15
P104 / FIP14
P103 / FIP13
P102 / FIP12
P101 / FIP11
P100 / FIP10
P97 / FIP9
P96 / FIP8
P95 / FIP7
PD78044FGF Terminal Function
Pin
Port Name
No.
1 P94/FIP6 MTCONT2
2 P93/FIP5 MTCONT1
3 P92/FIP4 LED
4 P91/FIP3 LED
5 P90/FIP2 LED
6 P81/FIP1 LED
7 P80/FIP0 LED
8 VDD VDD
9 P27/SCK0 REC
10 P26/SO0
11 P26/SI0 REC
12 P24/BUSY PACK
13 P23/STB
14 P22/SCK1 SERCLK
15 P21/SO1 SEROUT
16 P20/SI1 SER
17 RESET RESET
18 P74 R
19 P73 HEADSW
20 AVSS AVSS
21 P17/AN17 RVSMOD
22 P16/AN16 KEYIN
23 P15/AN15 KEYIN
24 P14/AN14 KEYIN
25 AN13 MSREF
64 62 61 60 57
63 59 58 56
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
1
Symbol I/O Ini
O Hi-z
O Hi-z
FP O Hi-z
RP O Hi-z
REC O Hi-z
SRS O Hi-z
PWR O Hi-z
FWD I Hi-z
I Hi-z
REV I Hi-z
I Hi-z
I Hi-z
I Hi-z
O Hi-z
IN I Hi-z
I Hi-z
MUTE Hi-z
O Hi-z
O
I Hi-z
2 I Hi-z
1 I Hi-z
1 I Hi-z
I Hi-z
55 54 53 48 47 46 45
52 51 50 49

TOP VIEW

Reel, Loader motor control
Reel, Loader motor control
LED output FWD, PLAY ind. (H: light )
LED output REV, PLAY ind. (H: light )
LED output REC ind. (H: light )
LED output CD SRS ind. (H: light )
LED output POWER. (H: light )
+5V Power
Deck mecha REC FWD SW input
Not used (connect to GND)
Deck mecha REC REV SW input
Deck mecha PACK SW input
Not used (connect to GND)
DENON BUS communication clock signal (Edge intervention)
DENON BUS communication output data signal
DENON BUS communication input data signal
Reset input
REC mute control signal (H: mute)
Head switching control signal (L: PB only)
Analog GND
Reverse mode input signal
Tact operating button input No.2
Tact operating button input No.1
Tact operating button input No.0
Music serch detection reference voltage
10
DRR-M31
44 43 41
42
40 P33 / TI1
39 P34 / TI2
38 P35 / PCL
P36 / BUZ
37
36 P37
X2
35
34 X1
VSS
33
32 XT2
31 P04 / XT1
30
AVREF
29 AVDD
28
P10 / ANI0
27
P11 / ANI1
26
P12 / ANI2
25 P13 / ANI3
Function
10