Aiwa CSD-EL33 Service Manual

1615
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29 ~ 40
41
42
43 ~ 44
45 ~ 60
61
62
63
64 ~ 66
67
68
69
70
–
O-DATA
O-CLK
I-AS2
O-CKSFT
I-HOLD
_______
I-RST
XT1
XT2
VSS1
CF1
CF2
VDD1
I-DSW
I-KEY0
I-CDSW
I-ENC1
I-KEY1
I-CST1
I-STIND
I-TUDO
O-CDOPEN
O-CDCLOSE
O-CDMUTE
________
O-INIT
I-DRF
I-WRQ
I-RMT
S0 ~ S11
VDD3
VSS3
S12 ~ S13
S16 ~ S31
(V3/PL6)
(V2/PL5)
V1/PL4
COM0 ~ COM2
–
VSS2
VDD2
O-PL2
–
O
O
I
O
I
I
I
O
–
I
O
–
I
I
I
I
I
–
I
I
O
O
O
O
I
I
I
O
–
–
O
O
–
–
I
O
–
–
–
O
Not connected.
Data for shift register 2092, PLL LC72121 and IC M62439.
Clock for shift register 2092 and PLL LC72121.
Strobe of shift register 2092
Clock shift output for system microprocessor
Hold status detection. "H": HOLD
Microprocessor reset. ("L" when reset)
Connected to 32.768kHz crystal.
GND
Connected to 6 MHz ceramic lock.
Microprocessor power supply (µ-com 5 V).
Detect CD changer state. (AD input)
Key AD input.
CD tray open/close status detection input (AD)
AD value input of rotary encoder outputs A and B
KEY AD input.
Not connected.
Tuner stereo indicator input.
Data input from tuner LC72121.
CD tray open control output.
CD tray close control output.
CD muting output.
Initial diode matrix detection output.
CD (DETECT RF) RE level detection input.
CD subcode Q standby input.
Remote input.
LCD common output.
Microprocessor power supply (µ-com 5 V).
GND
LCD segment outputs.
LCD segment outputs.
Not connected.
Not connected.
DECK mechanism status detection input.
LCD common outputs.
Not connected.
GND
Microprocessor power supply.
Single DECK & DECK 2 plunger control output.
IC, LC867132V-5L08
Pin No. Pin Name I/O Description
IC DESCRIPTION-1
O
–
O
O
O
O
–
O
I
O
Pin No. Pin Name I/O Description
71
72
73
74
75
76
77
78
79
80
O-MOT
O-PL1
O-P. CONT
O-MUTE
O-RWC/CE
__________
O-MSTB
–
O-COIN
I-SQOUT
D-CQCK
DECK mechanism motor control output.
Not connected.
Unit power control output.
Main muting output.
CD read/write control output and TU chip enable.
Strobe of shift register 2092.
Not connected.
CD command output.
CD subcode Q input.
Clock for CD command and subcode.
FL GRID ASSIGNMENT AND ANODE CONNECTION
ANODE CONNECTION

Aiwa CSD-EL33 Specifications

General

Brand	Aiwa
Model	CSD-EL33
Category	Cassette Player
Language	English