Terminals Description (Cd Deck) - Toyota CQ-TS6670LC Service Manual

5 TERMINALS DESCRIPTION (CD Deck)

IC301 : MNBC77CWPUC
Pin Port
No.
1 SW4 Mechanics SW clamping (H: Non-
completion L: Completion)
2 SW5 Mechanics SW inner (H:OFF L:
Surroundings ON)
3 Q6A Photo sensor DISC IN (H: Shading L:
Penetration)
4 TEMP For thermometry
5 VPP Power supply for flash rewriting (+5V)
6 VREF+ Reference supply for analog to digital
converter (+3.3V)
7 VDD Power supply supply terminal (+3.3V)
8 OSC2 Microcomputer system clock output
(7.37MHz)
9 OSC1 Microcomputer system clock input
(7.37MHz)
10 VSS GND
11 XI Maiconsabcrocc input (unused: GND)
12 NC No Connection
13 MMOD Memory mode switch terminal (GND
fixation)
14 NRESET Microcomputer reset input
15 SOM Serial communications output data
16 SIM Serial communications input data
17 SCKM Serial communications clock input
18 MDATA Microcomputer command data signaling
19 STAT Servo LSI status signal
20 MCLK Microcomputer command clock pulse
21 MLD Microcomputer command load signal
22 NC No Connection
23 NC No Connection
24 NC No Connection
25 NC No Connection
26 NC No Connection
27 BLKCK Subcode block clock pulse
28 DQSY CD-TEXT/SUBQ synchronizing signal
29 GND GND
30 CDON Operation mode signal
31 IO MODE
32 FLAG
33 TXTD CD-TEXT data signaling
34 TXTCK CD-TEXT clock pulse
35 NC No Connection
36 NC No Connection
37 PC4 Loading mute
38 PC3 Spindle mute
39 PC2 Traverse mute
40 PC1 Actuator mute
41 NRST Servo LSI reset signal
42 NC No Connection
43 LODP Loading motor forward output signal
44 LODM Loading motor negative direction output
signal
45 NC No Connection
46 NC No Connection
47 NC No Connection
48 CS Serial communications chip selection for
EEPROM
49 DIO Serial communications input-output data for
EEPROM
50 SK Serial communications clock output for
EEPROM
51 NC No Connection
52 NC No Connection
53 NC No Connection
Description I/O
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Pin Port
No.
54 NC No Connection
55 NC No Connection
56 PHOTO Photo sensor actuating signal
57 NC No Connection
58 NC No Connection
59 SW1A OR signal of Q1 and Q6
60 SW5 SW5 (INNNER)
61 VREF- Reference supply for analog to digital
converter (GND)
62 Q1A Photo sensor DISC IN (H: Shading L:
Penetration)
63 SW2A Mechanics SW feeder arm (H:NO DISC
L:DISC IN)
64 Q3A Photo sensor DISC OUT (H: Shading L:
Penetration)
4
Description I/O
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