Clarion DB125 Service Manual

- 6 -
- 5 -
DB125 DB125
EXPLANATION OF IC
TC9324F-006 052-1932-00
Master Micro computer
1 COM1 O COMMON signal 1 output for LCD
2 COM2 O COMMON signal 2 output for LCD
3 COM3 O COMMON signal 3 output for LCD
4 COM4 O COMMON signal 4 output for LCD
5 S1 O S1 output for LCD
6 S2 O S2 output for LCD
7 S3 O S3 output for LCD
8 S4 O S4 output for LCD
9 S5 O S5 output for LCD
10 S6 O S6 output for LCD
11 S7 O S7 output for LCD
12 S8 O S8 output for LCD
13 S9 O NC
14 S10 O S10 output for LCD
15 S11 O S11 output for LCD
16 S12 O NC
17 S13 O S13 output for LCD
18 S14 O S14 output for LCD
19 S15 O NC
20 S16 O S16 output for LCD
21 S17 O S17 output for LCD
22 S18 O S18 output for LCD
23 S19 O S19 output for LCD
24 S20 O S20 output for LCD
25 S21 O NC
26 S22 O S22 output for LCD
27 S23 O S23 output for LCD
28 S24 O NC
29 S25 O S25 output for LCD
30 S26 O S26 output for LCD
31 S27 O S27 output for LCD
32 S28 O S28 output for LCD
33 S29 O S29 output for LCD
34 S30 O S30 output for LCD
35 CD-RESET O CD MECH connect to RESET
36 CD5V ON O CD5V ON signal output pin (Active
High)
37 LD-CONT O Laser Diode Control pin
38 LD-MUTE O Mechanical photo sensor input terminal.
Terminal to detect the disc. Position in
loading status, chucking status and
other machine status. With disc, ‘H’ is
input, without disc ‘L’ is input.
39 VDD1 - VDD
40 RESET I Reset Port
41 GND1 - GND
42 AM-ON O While ‘HI’=AM and ‘LO’=FM
(Active High)
43 FM-ON O While ‘LO’=AM and ‘HI’=FM
(Active High)
44 ST/SD I While AM/FM SD in, SD is ‘LO’
(Active High)
45 STBY O Power Amplifier IC control terminal
46 VREF - VDD
47 ANT-CONT O Antenna Control output pin. ‘HI’ is
ON, ‘LO’ is OFF
48 CTRL1 O Power Supply IC control terminal
(Active High)
49 CRTL 2 O NC
50 RF-MUTE O RF Mute is signal output pin
(Active High)
51 A1 O Test mode for CD
52 A2 O Digital output pin for CD MECH
53 AD1 I Key switch detection terminal for
A/D converter
54 AD2 I Key switch detection terminal for
A/D converter
55 GND2 - GND
56 VDD2 - VDD
57 TR-A I Mechanical photo sensor input terminal.
Terminal to detect the disc. Position in
loading status, chucking status and
other machine status. With disc, ‘H’ is
input, without disc ‘L’ is input.
58 E-VOL CE O E-VOL use
59 E-VOL DO O E-VOL use
60 E-VOL CLK O E-VOL use
61 AREA A I Area setting input.Ref. Table 1
62 AREA B I Area setting input.Ref. Table 1
63 CW I Use for rotary volume
64 CCW I Use for rotary volume
65 MUTE O Output mute.While it is ‘LO’,mute i
s ‘ON’
66 TEST I NC
67 HOLD I HOLD=ACC detect terminal
68 SBSY I Connected to CD MECH
69 B/U DET I B/U detecting terminal
70 AM-IF IN I AM IF INPUT
71 FM-IF IN I FM IF INPUT
72 GND3 - GND
73 FM-OSC I FM VCO input terminal
74 AM-OSC I AM VCO input terminal
75 VPLL O NC
76 VDD3 - VDD
77 DO1 O PLL detector output 1
78 DO2 O PLL detector output 2
79 TEST2 I NC
80 TR-B I Mechanical photo sensor input terminal.
Terminal to detect the disc. Position in
loading status, chucking status and
other machine status. With disc, ‘H’ is
input, without disc ‘L’ is input.
81 CHU SW I Mechanical photo sensor input terminal.
Terminal to detect the disc. Position in
loading status, chucking status and
other machine status. With disc, ‘L’ is
input, without disc ‘H’ is input.
82 S-STOP I Mechanical photo sensor input terminal.
Terminal to detect the disc. Position in
loading status, chucking status and
other machine status. With disc, ‘H’ is
input, without disc ‘L’ is input.
83 Z-MUTE O Zero Mute for CD MECH
(Active High)
84 BUCK O CD MECH data bus clock
85 CCE O CD MECH chip enable
Pin No Symbol I/O Function
Pin No Symbol I/O Function
Pin No Symbol I/O Function
Pin No Symbol I/O Function
US L L
K H L
J L H
AREA AREA A (Pin 61) AREA B (Pin 62)
Table 1. Area Setting Table
86 BUS0 I/O CD MECH data bus
87 BUS1 I/O CD MECH data bus
88 BUS2 I/O CD MECH data bus
89 BUS3 I/O CD MECH data bus
90 B/U DET I B/U detecting terminal
91 CD-EJ I CD EJECT (Active Low)
92 VCPU - 10uF to GND
93 GND4 - GND
94 X-OUT2 - NC
95 X-IN2 - GND
96 VDD4 - VDD
97 X-OUT1 - X-TAL 4.5MHz
98 X-IN1 - X-TAL 4.5MHz
99 GND5 - GND
100 VEE - NC
Outward Form
100 pins, plastic QFP
Terminal Description

Clarion DB125 Specifications

General

Brand	Clarion
Model	DB125
Category	Car Receiver
Language	English