Sony MHC-5500 - Page 26

TC-HSOO
SECTION 3
DIAGRAMS
3-1. IC801 M50964-223SP PIN FUNCTIONS
PIN PIN
1/0
SIGNAL NAME
FUNCTION
No. NAME
1 Vcc
Vcc
POWER 5
±0.5 V
2 AVSS
AVSS
Analogue
system
GND
3
VREF
I
VREF
Analogue
system reference
voltage input
4 D-A 0
D-A
D/ A conversion output (Not used : OPEN)
5
PWM 0
PWM
PWM
output (Not used : GND)
6
P63
0
AMS AMS
LED indication
output
7
P62 0
A FWD
Deck
A FWD LED
output
8
P61 0
BIAS
IV
TYPE IV bias oscillation output
9 P60
0
BIAS
II
TYPE II bias oscillation
output
10
P47 0
A
REV
Deck A RVS LED
output
11
P46 0
A REV
Deck A RVS LED
output
12 AN5
I B HALF
Deck B Record
prevention claw A, B detection
Voltage (V) 1 V 1.9 V 2.8 V 3.9 V
5V
Half ON ON ON ON OFF
Claw A
OFF
ON
OFF ON OFF
Claw B ON ON OFF
OFF
OFF
13
AN4 I
KEY3
KEY
input
Voltage (V)
0 0.3 0.7
1.2 1.7
2.3
14 AN3
I KEY2
KEYl
B ■
B11
B ►
B ◄
BO
A ◄◄
KEY2
A ■
All
A ►
A ◄
B ◄◄
15
AN2 I KEYl
KEY3
AMS
HDUB NDUB
16 P41 0
B FWD Deck B FWD LED
output
17 P40 0 B REV Deck
B RVS LED
output
18
P37
0
A FWD Deck A FWD LED output
19
P36
0
B PAUSE Deck B PAUSE LED output
20
P35 0 B
REC Deck B REC LED output
21 P34 0 DOLBY B/C Dolby B/C output
22
P33
0 DOLBY
ON/OFF
Dolby
ON/OFF output
23
P32 I
SIRCS SIRCS input or AUDIO BUS reverse input
24 P31
0
70/120
Playback EQ output for playing deck
25 P30 0 AUB OUT AUDIO BUS
output
26 INTI I AUB IN
AUD1O BUS normal
input
27
CNVSS CNVSS
GND
28 RESET I RESET Microcompu ter
reset input
29
XIN I
XIN Clock input (4 MHz)
30
xo
0
xo Clock output (4 MHz)
31
<I>
0
<l>
(Not used : OPEN)
32
Vss Vss
GND
33 P57 I
TEST
Electrical adjusting test mode setting
34 P56 I
TYPE IV
TYPE IV switch input
35 P55 I
B70/120
Deck
B
TYPE II switch input
36 P54 I
B SHUT
Deck B Reel
table signal input
37 P53 I
A70/120 Deck A TYPE II switch input
38 P52 I
A SHUT
Deck
B Reel table signal input
39 P51 I
A HALF Deck
A Half
switch input
-6-
input (Analogue)
2.8
3.4
4.0
4.5
5.0
A ►►
D0 B
□□ C
OFF
B ►►
Be
0
RELAY OFF
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