Sony HCD-XG55 Service Manual ▷ View online
53
HCD-XG55
– CD MOTOR Board –
IC201
TA8409S
1
2
3
4
5
6
7
8
9
HEAT
CUT OFF
BLOCK
STANDBY
BLOCK
VREF
BLOCK
IN2
VCC
OUT2
NC
GND
VS
OUT1
VREF
IN1
– AUDIO Board –
IC602
µ
PC1330HA
– MAIN Board –
IC191
BA7615N
– PANEL FL Board –
IC602
BA3830F
– PANEL VR Board –
IC701
NJU3716L
1
2
3
4
5
6
7
8
9
INVERTER
COMPARATER
SW R1
GND
SW P1 CONT
GND
VCC
SW P2 GND
SW R2
2
1
3
4
6
5
9
10
CTLC
VOUT
7
8
MUTE
LOGIC
CTLC
IN3
VCC
IN4
IN1
CTLA
CTLB
IN2
75
Ω
8db
F01
R02
R01
LINE NF
LINE IN
REFERENCE
CURRENT
REFERENCE
CURRENT
RESET
BAND
PASS
FILTER
DET
17
RESET
18
F02
16
F03
15
F04
14
F05
13
F06
12
REC LEVEL
11
VCC
10
4
3
2
1
+
–
REC NF
REC IN
6
RESET C
7
BIAS C
8
GND
9
5
+
–
OUTPUT CIRCUIT
LATCH CIRCUIT
SHIFT REGISTER
CONTROL
CIRCUIT
20
21
19
23
24
22
18 17 16 15 14 13
4
3
2
1
6
P7
P8
P9
P10
P11
VSS
P12
P13
P14
P15
P16
7
SO
8 9 10 11
12
5
VDD
P6
P5
P4
P3
P2
VSS
P1
CLR
STB
CLK
D
ATA
54
HCD-XG55
7-27.
IC Pin Function Description
• MAIN BOARD IC501 M30622MAA-A92FP (SYSTEM CONTROLLER (CD MECHANISM CONTROL))
Pin No.
Pin Name
I/O
Description
1
STK-POWER
O
Power amplifier on/off selection signal output “L”: standby mode, “H”: power amplifier on
2
POWER
O
Power on/off control signal output for the audio system (+5V) and deck, panel, audio system
(+7V) and FM/AM tuner unit (+10V) “L”: standby mode, “H”: power on
(+7V) and FM/AM tuner unit (+10V) “L”: standby mode, “H”: power on
3
F-RELAY
O
Relay drive signal output for the front speaker protect “H”: relay on
4
REAR-RELAY
O
Relay drive signal output for the rear speaker protect “H”: relay on Not used (open)
5
CD-POWER
O
Power on/off control signal output for the CD mechanism deck section
“L”: standby mode, “H”: power on
“L”: standby mode, “H”: power on
6
LINE-MUTE
O
Line muting on/off control signal output “L”: muting on, “H”: muting off
7
DBFB-H/L
O
DBFB normal/high selection signal output to the M62493FP (IC101)
“L”: DBFB high, “H”: DBFB low (normal)
“L”: DBFB high, “H”: DBFB low (normal)
8, 9
—
—
Connect to ground
10
XC-IN
I
Sub system clock input terminal (32.768 kHz)
11
XC-OUT
O
Sub system clock output terminal (32.768 kHz)
12
RESET
I
System reset signal input from the reset signal generator (IC801) “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
13
X-OUT
O
Main system clock output terminal (16 MHz)
14
VSS
—
Ground terminal
15
X-IN
I
Main system clock input terminal (16 MHz)
16
VDD
—
Power supply terminal (+5V)
17
NMI
I
Non-maskable interrupt input terminal Fixed at “H” in this set
18
WAKE UP
I
Wakeup control signal input from the fluorescent indicator tube driver (IC601) “L” active
19
SCOR
I
Subcode sync (S0+S1) detection signal input from the CXD2587Q (IC101)
22
AC-CUT
I
AC off detection signal input from the reset signal generator (IC801) “L”: AC cut checked
23
PL-CLK
O
Serial data transfer clock signal output to the pro-logic circuit Not used (open)
24
PL-DATA
O
Serial data output to the pro-logic circuit Not used (open)
25
PL-LAT
O
Serial data latch pulse output to the pro-logic circuit Not used (open)
26
TIMER LED
O
LED drive signal output terminal Not used (open)
27
PROTECT
I
Protect on/off detection signal input from the speaker protect circuit
“L”: protect on, “H”: protect off
“L”: protect on, “H”: protect off
28
V MUTE
O
Video muting on/off control signal output to the BA7615N (IC191)
“L”: muting off, “H”: muting on
“L”: muting off, “H”: muting on
29
IIC-CLK
I/O
Communication data reading clock signal input or transfer clock signal output with the fluorescent
indicator tube driver (IC601)
indicator tube driver (IC601)
30
IIC-DATA
I/O
Communication data bus with the fluorescent indicator tube driver (IC601)
31
NO-USE
O
Not used (open)
32
SQ-DATA
I
Subcode Q data input from the CXD2587Q (IC101)
33
SQ-CLK
I
Subcode Q data reading clock signal output to the CXD2587Q (IC101)
34
SW-MODE
O
Music/movie mode selection signal output to the M62493FP (IC101)
“L”: movie mode , “H”: music mode
“L”: movie mode , “H”: music mode
35
CD-DATA
O
Serial data output to the CXD2587Q (IC101)
36
H/P IN
I
Connection detection signal input of the headphone jack (J803)
“L”: no connected, “H”: headphone connected
“L”: no connected, “H”: headphone connected
37
CD-CLK
O
Serial data transfer clock signal output to the CXD2587Q (IC101)
38
493-LAT
O
Serial data latch pulse output to the M62493FP (IC101)
20,21
—
—
Connect to ground
55
HCD-XG55
Pin No.
Pin Name
I/O
Description
39
CLOCK-OUT
O
Not used (open)
40, 41
NO-USE
O
Not used (open)
42
FL OFF
O
Filament on/off selection signal output for the fluorescent indicator tube (FL601)
“L”: filament off, “H”: filament on Not used in this set
“L”: filament off, “H”: filament on Not used in this set
43
STBY RELAY
O
Main power on/off control signal output
“L”: standby mode, “H”: power on
44
BASS FREQ
O
Sync bass frequency normal/high selection signal output terminal
“L”: sync bass off (normal), “H”: sync bass high Not used (open)
“L”: sync bass off (normal), “H”: sync bass high Not used (open)
45
FUNC SEL1
O
Function selection signal output to the BA7615N (IC191)
46
FUNC SEL0
O
Function selection signal output to the BA7615N (IC191)
47
493-DATA
O
Serial data output to the M62493FP (IC101)
48
493-CLK
O
Serial data transfer clock signal output to the M62493FP (IC101)
49
ST-MUTE
O
Tuner muting on/off control signal output to the FM/AM tuner unit
“L”: muting off, “H”: muting on
“L”: muting off, “H”: muting on
50
STEREO
I
FM stereo detection signal input from the FM/AM tuner unit
“L”: stereo
51
TUNED
I
Tuning detection signal input from the FM/AM tuner unit
“L”: tuned
52
ST-CE
O
PLL chip enable signal output to the FM/AM tuner unit
53
ST-DOUT
O
PLL serial data output to the FM/AM tuner unit
54
ST-DIN
I
PLL serial data input from the FM/AM tuner unit
55
ST-CLK
O
PLL serial data transfer clock signal output to the FM/AM tuner unit
56
SENS
I
Internal status detection monitor input from the CXD2587Q (IC101)
57
HOLD
O
Laser power control signal output to the CXA2568M (IC103)
58
XLT
O
Serial data latch pulse output to the CXD2587Q (IC101)
59
XRST
O
Reset signal output to the CXD2587Q (IC101) and BA5974FP (IC102) “L”: reset
60
DISC-SENS
I
Disc status detection signal input terminal Not used (fixed at “L”)
61
T-SENS
I
Disc table status detection signal input from the disc table sensor (IC202)
62
VDD
—
Power supply terminal (+5V)
63
TBL-L
O
Motor drive signal output to the table motor driver (IC201)
“L” active *1
64
VSS
—
Ground terminal
65
TBL-R
O
Motor drive signal output to the table motor driver (IC201)
“L” active *1
66
LOAD-OUT
O
Loading motor drive signal output terminal Not used (open)
67
LOAD-IN
O
Loading motor drive signal output terminal Not used (open)
68
ENC3/UP-SW
I
Detection signal input from the up switch (S201)
69
ENC2/DISC-LED
O
LED drive signal output of the DISC No. indicator (D201)
“H”: LED on
70
ENC1
I
Disc tray address detection signal input terminal Not used (fixed at “L”)
71
OUT-OPEN
I
Disc tray open/close detection signal input terminal Not used (fixed at “L”)
72
B-TRG
O
Deck-B side trigger plunger drive signal output
“H”: plunger on
73
A-TRG
O
Deck-A side trigger plunger drive signal output
“H”: plunger on
74
CAPM-CNT2
O
Capstan motor (M1) drive signal output
“L”: reverse direction, “H”: forward direction
75
CAPM-CNT1
O
Capstan motor drive signal output terminal Not used (open)
76
CAP-M-H/L
O
High/normal speed selection signal output of the capstan motor (M1)
“L”: normal speed, “H”: high speed
“L”: normal speed, “H”: high speed
77
AMS-IN
I
Whether a music is present or not from HA12215F (IC301) is detected at automatic music sensor
“L”: music is present, “H”: music is not present
“L”: music is present, “H”: music is not present
*1 Table motor (M201) control
Stop
Counter-
clockwise
Clockwise
Brake
TBL-L (pin yd)
“H”
“L”
“H”
“L”
TBL-R (pin yg)
“H”
“H”
“L”
“L”
Terminal
Mode
56
HCD-XG55
Pin No.
Pin Name
I/O
Description
78
TC-MUTE
O
Line muting on/off selection signal output to the HA12215F (IC301)
“L”: muting off, “H”: muting on
“L”: muting off, “H”: muting on
79
R/PB/PAS
O
Recording/playback/pass selection signal output to the HA12215F (IC301)
“L”: recording mode, “H”: pass, “Hi-z”: playback mode
“L”: recording mode, “H”: pass, “Hi-z”: playback mode
80
NR-ON/OFF
O
Dolby NR on/off selection signal output to the HA12215F (IC301)
“L”: dolby off, “H”: dolby on
“L”: dolby off, “H”: dolby on
81
REC-MUTE
O
Recording muting on/off selection signal output to the HA12215F (IC301)
“L”: muting on, “H”: muting off
“L”: muting on, “H”: muting off
82
BIAS
O
Recording bias on/off selection signal output to the HA12215F (IC301)
“L”: bias off, “H”: bias on
“L”: bias off, “H”: bias on
83
EQ-H/N
O
Normal/high speed selection signal output to the HA12215F (IC301)
“L”: normal speed, “H”: high speed
“L”: normal speed, “H”: high speed
84
PB-A/B
O
Deck-A/B selection signal output to the HA12215F (IC301)
“L”: deck-A, “H”: deck-B
85
ALC
O
Automatic limiter control signal output to the HA12215F (IC301)
“L”: limiter on
86
B-PLAY-SW
I
Detection signal input from the deck- B play detect switch (S1002)
“H”: deck-B play
87
A-PLAY-SW
I
Detection signal input from the deck- A play detect switch (S1001)
“H”: deck-A play
88
A-HALF
I
Detection signal input from the deck-A cassette detect switch (S1003)
“L”: no cassette, “H”: cassette in
“L”: no cassette, “H”: cassette in
89
B-HALF
I
Detection signal input from the deck-B half detect switch (S1006)
90
B-SHUT
I
Shut off detection signal input from the deck-B side reel pulse detector (IC1002)
91
A-SHUT
I
Shut off detection signal input from the deck-A side reel pulse detector (IC1001)
92
SOFT-TEST
O
Output terminal for the software test (open)
93
HP MUTE
O
Headphone muting control signal output
“L”: muting on, “H”: muting off
94
KEY/CD-ADJ
I
Setting terminal for the CD adjustment mode Not used (fixed at “L”)
95
MODEL-IN
I
Model setting terminal
96
AVSS
—
Ground terminal (for A/D conversion)
97
SPEC-IN
I
Destination setting terminal
98
VREF
I
Reference voltage (+5V) input terminal
99
AVCC
—
Power supply terminal (+5V) (for A/D conversion)
100
TC-RELAY
O
Recording/playback selection signal output to the REC/PB switch (IC602)
“L”: playback, “H”: recording
“L”: playback, “H”: recording
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