Sony HCD-MC1 / MHC-MC1 Service Manual ▷ View online
— 77 —
MAIN BOARD IC501 uPD780016AYGF-011-3BA (MAIN CONTROL)
Pin No.
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
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
Pin Name
LINE-MUTE
DBFB-H/L
442-LT
—
POWER
F-RELAY
R-RELAY
PL-RELAY
VSS
X2
X1
VDD
XT2
XT1
RESET
AC-CUT
CAPM-CNT1P
SCOR
SOFT-TEST
CAPM-CNT2P
RDS-INT
RDS-DATA
VDD
AVREF
ADJ
A-SHUT
B-SHUT
B-HALF
—
SPEC-IN
AMS-IN
—
AVSS
SQ-DATA-IN
—
SQ-CLK
SW-ON/OFF
SW-MODE
—
VSS
VOL-LAT
PL-LAT
COM-DIN
COM-DOUT
COM-CLK
CD-POWER
CD-DATA
CD CLK
PL-CLK
PL-DATA
I/O
O
O
O
—
O
O
O
O
—
O
I
—
O
I
I
I
I
O
O
I
I
I
—
I
I
I
I
I
—
I
I
—
—
I
—
I
O
O
—
—
O
O
I
O
O
O
O
O
O
O
Function
Line mute signal output
DBFB H/L select signal output
Latch signal output for IC101(M62442FP)
Not used
Power control signal output
Main speaker relay control signal output
Surround speaker relay control signal output(Not used)
Surround speaker relay control signal output
Ground
X’tal(5MHz)
X’tal(5MHz)
Power supply(+5V)
X’tal(32.768kHz)
X’tal(32.768kHz)
Reset signal input
AC check input
Capstan motor control 1(+) signal output
Subcode data request signal output(Not used)
Software test port
Capstan motor control 2(+) signal output(Not used)
Sirial data transfer clock input
Serial data input
Power supply(+5V)
Analog reference voltage input
CD adjust point port
Deck-A reel pulse detector
Deck-B reel pulse detector
Half detector signal input
Not used
Versin select signal input
AMS signal input
Not used
Analog ground
Sub code Q data input(Not used)
Not used
Sub code Q data clock input(Not used)
Super woofer ON/OFF control output(Not used)
Super woofer mode control output(Not used)
Not used
Ground
Latch signal 2 output for IC201(LV1041M)
Latch signal 1 output for IC201(LV1041M)
Common serial data input(Not used)
Common serial data output(Not used)
Common serial clock output(Not used)
CD power ON/OFF control output
CD data output(Not used)
CD clock output(Not used)
Clock signal output for IC201(LV1041M)
Data signal output for IC201(LV1041M)
— 78 —
Pin No.
Pin Name
I/O
Function
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
442-CLK
442-DATA
CENTER-MUTE
-
IIC-DATA
IIC-CLK
XRST
XLT
FOCUS-SW
TBL-L
TBL-R
-
LOAD-OUT
LOAD-IN
ST-CLK
ST-DIN
ST-DOUT
ST-CE
TUNED
STEREO
VSS
ST-MUTE
SENS2
SENS
DISC-SENS
T-SENS
CAPM-CNT2P
ENC3
ENC2
ENC1
OUT-OPEN
CAP-M-H/L
B-TRG
A-TRG
CAPM-CNT1M
CAPM-CNT2M
TC-MUTE
R/PB/PAS
NR-ON/OFF
REC-MUTE
CLOCK-OUT
BIAS
EQ-H/N
PB-A/B
A-PLAY-SW
B-PLAY-SW
TC-RELAY
A-HALF
ALC
STK-MUTE
O
O
O
-
O
O
O
O
O
O
O
-
O
O
O
I
O
O
I
I
-
O
I
I
I
I
O
I
I
I
I
O
O
O
O
O
O
I
O
O
O
O
O
O
I
I
O
I
O
O
Clock signal output for IC101(M62442FP)
Data signal output for IC101(M62442FP)
Center speaker mute signal output
Not used
Serial data output
Serial data clock output
CD reset signal output(Not used)
CD latch signal output(Not used)
Focus switching signal output(Not used)
Table motor control signal output(Not used)
Table motor control signal output(Not used)
Not used
Loading motor control signal output(Not used)
Loading motor control signal output(Not used)
Tuner clock output
Tuner data input
Tuner data output
Tuner chip enable output
Tuned detection for tuner
Stereo detection for tuner
Ground
Tuner mute signal output
BD condition signal input(Not used)
BD condition signal input(Not used)
CD detection signal input(Not used)
CD table detection signal input(Not used)
Capstan motor control 2(+) signal output(Not used)
Disctray address detect encoder input(Not used)
Disctray address detect encoder input(Not used)
Disctray address detect encoder input(Not used)
Out switch signal input(Not used)
Capstan motor High/Nomal speed select signal output(Not used)
B-deck trigger motor control signal output
A-deck trigger motor control signal output
Capstan motor control 1(-) signal output
Capstan motor control 2(-) signal output
TC mute control signal output
REC/PB/PASS selection output
NR ON/OFF signal output
REC mute signal output
Clock check output
Bias control signal output
Equalizer High/Normal control output
PB deck A/B select output
Deck A play detect input
Deck B play detect input
Relay control output
Deck A cassette detect input
ALC control output
Power amp mute signal output
— 79 —
Pin No.
1 to 6
7
8
9
10
11,12
13
14 to 18
19,20
21,22
23
24
25
26 to 29
30
31
32
33
34 to 37
38
39
40
41 to 53
54 to 77
78
79,80
Pin Name
LED3 to LED8
VSS
XOUT
XIN
RESET
LED9,LED10
TEST
LED11 to LED15
VOLA,VOLB
JOGA,JOGB
SCL(IIC)
SDA(IIC)
LED SELECT
KEY0 to KEY3
MODEL
LED16
L+R
SIRCS
SPEANA0 to SPEANA3
AVSS
VAREF
VDD
GRID1 to GRID13
SEG1 to SEG24
VKK
LED1,LED2
I/O
O
—
O
I
I
O
—
O
I
I
I
I
O
I
I
O
I
I
I
—
—
—
O
O
—
O
Function
LED driver output
Ground
X’tal(5MHz)
X’tal(5MHz)
Reset signal input
LED driver output
Not used
LED driver output
Rotaly encoder pulse input for Volume
Rotaly encoder pulse input for Jog
Serial data clock input
Serial data input
LED select signal output
Key input
Model No. input
LED driver output
Spectrum analyzer(high frequency)input
Remote commander signal input
Spectrum analyzer signal input
Ground
Analog reference voltage input
Power supply(+5V)
Fluorescent disply tube gride signal output
Fluorescent disply tube segment signal output
—
LED driver output
PANEL BOARD IC601 TMP87CM74AF-6660 (DISPLAY CONTROL)
— 80 —
6-23. IC BLOCK DIAGRAMS
IC603 (PANEL BOARD) BA3833F-E2
IC701 (MAIN BOARD) UPC1237HA
2
3
14
1
f04
13 f
12 VCC
11 NC
10 NC
15 f03
5
GND
6
BIAS
C
7
NC
8
NC
9
NC
4
16 f02
17 f01
18 RESET
RESET
C
PREF
LINE
NF
LINE
IN
REFFERENCE
CURRENT
BPF
DET
BPF
DET
BPF
DET
BPF
DET
DET
RESET
Bias
1
2
3
4
5
6
7
8
OVER LOAD DET
F/F
OFFSET DET
LATCH/
AUTORESET
V
CC
ON
MUTE
AC OFF
DET
V
CC
IC602 (AUDIO BOARD) uPC1330HA
IC461 (MAIN BOARD) BA6780
1
2
3
4
5
6
7
8
9
INVERTER
COMPARATER
SW R1
GND
SW P1
CONT
GND
VCC
SW P2
GND
SW R2
VIN2
FIN2
RIN2
CT2
VEE
FBIN-
FBIN+
OUT2+
OUT2-
VIN1
FIN1
REVERSIBLE DRIVER
FWD/REV CONTROLLER
COVERNER DRIVER
FWD/REV CONTROLLER
COVERNER
LOAD CURRENT
DETECTION
AMPLIFIER
COVERNER
OUTPUT
REFERENCE
VOLTAGE OUTPUT
LOW VOLTAGE
OUTPUT
RIN1
IOUT
VEE
VEE
VCC
VREF
VREG
VCC
OUT1+
+-
OUT1-
18
17
16
15
1
2
3
4
5
6
7
8
9
14
13
12
11
10
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