Service manual
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XL-520W/CP-520
FunctionTerminal Name
Input/Output
53 REC Output Tape circuit record/playback selection output H:Record Mode L:Playback Mode
54 B-CAN Output Record bias oscillation frequency selection control output
55 BIAS Output Record bias oscillation circuit control output H: Bias oscillation L: Oscillation stop
56 LID-SW Input CD lid status detection input L: Lid closed H: Lid opened
57 PU-IN Input CD pickup position detection SW input L: Innermost periphery
58 CD STB In/Output CD servo control IC ON/OFF output terminal L: Servo On H: Servo Stand-by
59-62 BUS 0-3 In/Output TC9284F control data input/output terminal
63,64 SRS2,1 Output SRS control output
65*-68* — No connect
69-100* SEG31-0 — LCD SEGMENT output
(69*-73*, Note: Since RH-IX0189AWZZ is a 24-pin LCD, SEG0 of LCD is connected to SEG7 of
94*-100*) microcomputer output terminal (sequential connection up to SEG26).
Pin No.
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Figure 37 BLOCK DIAGRAM OF IC
IC701 RH-iX0189AWZZ:System Microcomputer(iX0189AW) (2/2)
75 S SEG25
74 S SEG26
73 S SEG27
72 S SEG28
RH-IX0189AWZZ
71 S SEG29
70 S SEG30
69 S SEG31
68 S
67 S
66
65
64 O SRS1
63 O SRS2
62 I/O BUS3
61 I/O BUS2
60 I/O BUS1
59 I/O BUS0
58 O CD_STB
57 I PU-IN
56 I LID-SW
55 O BIAS
54 O B-CAN
53 O REC
52 O MOT
51 O SOL
1OCOM3
2OCOM2
3OCOM1
4OCOM0
5VLC3
6VLC2
7VLC1
VDD
OSC2
OSC1
VSS
8
9O
I
10
11
12IXI
13OXO
14IMMOD
15VREF-
16IAREA
17IKEY1
18IKEY2
19IPOWER
20IVSM
21IF.P
22IRUN PLS
23ICAM-SW
24VREF+
25ODI
100 S SEG0
99 S SEG1
98 S SEG2
97 S SEG3
96 S SEG4
95 S SEG5
94 S SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
93 S
92 S
S
S
91
90
89 S
88 S
87 S
86 S
85 S
84 S
83 S
82 S
81 S
80 S
79 S
78 S
77 S
76 S
26IDO
27OCL
28OVDI
29OVCE
30OVCL
31OCE
32IRESET
P-MUTE
P-CONT
CD+B
FUNC
SYS STOP
RENOCON
CLE
STEREO
SD
ID
DATA
CD RES
CEE
BUCK
R-MUTE
LED2
LED1
33
34O
O
O
35
36
37I
38I
39I
40I
41I
42I
43I
44I
45O
46O
47O
48O
49O
50O