Sony HCD-XB66 / HCD-XB660 / LBT-XB66 / LBT-XB660 Service Manual ▷ View online
– 25 –
– 26 –
•
PANEL BOARD IC601 TMP87CH75F-6659
Pin No.
Pin Name
I/O
Function
1
SEG-35
O
Segment drive signal output to the fluorescent indicator tube (FL601)
2
V-LOAD
—
Power supply terminal (–30V) (for fluorescent indicator tube drive)
3
LED1
O
LED drive signal output terminal (TUNER/BAND)
4
LED2
O
LED drive signal output terminal (ENTER/NEXT, GROOVE)
5
LED3
O
LED drive signal output terminal (SUPER WOOFER, CD
P)
6
LED4
O
LED drive signal output terminal (CD
·)
7
LED5
O
LED drive signal output terminal (DECK B
ª)
8
LED6
O
LED drive signal output terminal (DECK B
·)
9
LED7
O
LED drive signal output terminal (TAPE
P, r REC)
10
LED8
O
LED drive signal output terminal (EFFECT, ENTER)
11
VSS
—
Ground terminal
12
X-OUT
O
System clock output terminal (8 MHz)
13
X-IN
I
System clock input terminal (8 MHz)
14
RESET
I
System reset signal input from the reset signal generator (IC302) “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”
15
LED9
O
LED drive signal output terminal (FILE 1, FILE 2)
16
LED10
O
LED drive signal output terminal (FILE 3, FILE 4)
17
TEST
I
Connected to ground
18
LED11
O
LED drive signal output terminal (FILE 5, P FILE)
19
LED12
O
LED drive signal output terminal (OTHERS, MUSIC)
20
LED13
O
LED drive signal output terminal Not used (open)
21
LED14
O
LED drive signal output terminal Not used (open)
22
LED15
O
LED drive signal output terminal (DECK A
·)
23
LED16
O
LED drive signal output terminal (DECK A
ª)
24
VOL-A
I
Rotary encoder pulse input from the S701 (VOLUME)
25
LED17
O
LED drive signal output terminal Not used in this set
26
JOG-A
I
Jog dial pulse input from the S711 (
≠ AMS ± jog dial)
27
CLOCK
I/O
Communication data reading clock signal input or transfer clock signal output with the system
controller (IC301)
controller (IC301)
28
DATA
I/O
Communication data bus with the system controller (IC301)
29
LED SELECT
O
LED selection signal output terminal
30
VDD
—
Power supply terminal (+5V)
31
VSS
—
Ground terminal
32
MODEL
I
Destination setting terminal
33
KEY-1
I
34
KEY-2
I
35
KEY-3
I
36
KEY-4
I
(FLUORESCENT INDICATOR TUBE DRIVE, LED DRIVE, KEY CONTROL)
Key input terminal (A/D input) (S619, 620, 676 to 679, 681 to 686)
GEQ CONTROL, ENTER, CD
GEQ CONTROL, ENTER, CD
·/p/P, DISC SKIP, CD ), REPEAT, PLAY MODE,
1/ALL DISCS, EDIT, CD
0 keys input
Key input terminal (A/D input) (S601 to 607, 609 to 616)
ENTER/NEXT, TUNER MEMORY, TUNING MODE, TUNER/BAND, TUNING +/–,
STEREO/MONO, FUNCTION, GROOVE, GEQ
ENTER/NEXT, TUNER MEMORY, TUNING MODE, TUNER/BAND, TUNING +/–,
STEREO/MONO, FUNCTION, GROOVE, GEQ
4/9/(/$, SUPER WOOFER, SUPER W
MODE keys input
Key input terminal (A/D input) (S621 to 625, 651 to 659)
EFFECT, SOUND CONTROL WAVE, KARAOKE PON/MPX, SOUND CONTROL
SURROUND, P FILE MEMORY, DECK B
EFFECT, SOUND CONTROL WAVE, KARAOKE PON/MPX, SOUND CONTROL
SURROUND, P FILE MEMORY, DECK B
·/ª/)/0/p/P, r REC, H SPEED DUB,
CD SYNC keys input
Key input terminal (A/D input) (S627 to 634, 667, 668)
SPECTRUM ANALYZER, DISPLAY/DEMO, POWER,
SPECTRUM ANALYZER, DISPLAY/DEMO, POWER,
t/CLOCK SET, REC, DAILY 1/2,
SLEEP, NON-STOP, DJ MIX LOOP keys input
Pin No.
Pin Name
I/O
Function
37
KEY-5
I
38
DOOR SW
I
CD door switch (S691 (
6 OPEN)) input terminal
39
SIRCS
I
Remote control signal input from the remote control receiver (IC602)
40
VOL-B
I
Rotary encoder pulse input from the S701 (VOLUME)
41
JOG-B
I
Jog dial pulse input from the S711 (
≠ AMS ± jog dial)
42
SPEANA-1
I
Spectrum analyzer drive (for low frequency) signal input terminal
43
SPEANA-2
I
Spectrum analyzer drive (for low and middle frequency) signal input terminal
44
SPEANA-3
I
Spectrum analyzer drive (for middle and high frequency) signal input terminal
45
SPEANA-4
I
Spectrum analyzer drive (for high frequency) signal input terminal
46
L+R
I
Spectrum analyzer drive (for VACS, non-stop signal) signal input terminal
47
LED18
O
LED drive signal output terminal (NON-STOP)
48
VASS
—
Ground terminal
49
VAREF
I
Reference voltage (+5V) input terminal (for A/D conversion)
50
VDD
—
Power supply terminal (+5V)
51 to 66
GR-1 to GR-16
O
Grid drive signal output to the fluorescent indicator tube (FL601)
67 to 100
SEG-1 to SEG-34
O
Segment drive signal output to the fluorescent indicator tube (FL601)
Key input terminal (A/D input) (S641 to 647, 661 to 666)
DECK A
DECK A
·/ª/p/0/), DOLBY NR, DIRECTION, DIRECT PLAY DISC 1/2/3/4/5, DJ
MIX FLASH keys input
– 27 –
– 28 –
HCD-XB66/XB660
7-2.
BLOCK DIAGRAM
– CD Section –
XROF
M
M
A
B
D
F
E
C
I-V AMP
DETECTOR
39
1
2
10
6
5
4
38
16
15
18
17
12
OUT2A
OUT2B
SLO
OUT3B
OUT3A
OUT4A
OUT4B
SPINDLE
MOTOR DRIVE
M101
(SPINDLE)
SLED
MOTOR DRIVE
11
M102
(SLED)
FOCUS
COIL DRIVE
BUFFER
OUT1A
OUT1B
OUT1B
3
6
27
9
26
24
IN3B
IN4A
MUTE
IN2A
IN1B
SLP
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC102
16
14
SLED
AMP
LD
PD
LASER DIODE
OPTICAL PICK-UP
(KSS-213D/Q-NP)
2-AXIS
DEVICE
(FOCUS)
(TRACKING)
33
32
27
44
23
22
20
21
19
23
RF AMP,
FOCUS/TRACKING
SERVO
IC101 (1/2)
FOCUS OK
COMPARATOR
MIRR
AMP
DEFECT
AMP
FOCUS OK
AMP
IIL DATA REGISTER
40
38
FILTER
42
39
FILO
PCO
CLTV
FILI
DIGITAL PLL
ASYMMETRY
CORRECTION
CORRECTION
EFM
DEMODULATOR
SERIAL
INPUT
INTERFACE
OVER
SAMPLING
DIGITAL
FILTER
NOISE
SHAPER
PWM &
INTEGRATOR
BUFFER
ERROR
CORRECTOR
16K
RAM
SUB-CODE
PROCESSOR
SERVO AUTO SEQUENCER
DIGITAL CLV
17
15
52
54
50
100
16
LRCKI
BCKI
8 7 9 10 12 11 75 76 77
26
28
14
13
TBL-L
TBL-R
S101
(LIMIT)
+5V
M
9
1
7
3
MOTOR
DRIVE
DISC TRAY TURN MOTOR DRIVE
IC201
OUT1
OUT2
IN1
IN2
M201
(DISC TRAY TURN)
41
42
36
37
1
40
45
2
47
13
14
6
25
24
13
+
PD1
PD1 I-V AMP
RFO
RF
46
ASYI
47
ASYO
FOK
DATO
CLKO
XLTO
SEIN
CNIN
CNIN
SQ-DATA-IN
SQ-CLK
SENS
CD-DATA
CD-CLK
XLT
SCOR
MON
MDP
MDS
29
LOCK
64
SQSO
SQCK
SENS
DATA
CLOK
XLAT
SCOR
SBSO
EXCK
SPOD
GFS
EMPH
WFCK
GTOP
X101
16.9344MHz
RFI
FOK
DATA
CLK
SENS1
26
SENS2
C.OUT
XLT
LOCK
XRST
PD2 I-V AMP
PD2
TTL
IIL
FEO
TEO
PD
FEI
FEO
TAO
TEI
TTL
IIL
TTL
IIL
FOCUS
ERROR
AMP
RF
SUMMING
AMP
TRACKING
ERROR
AMP
TRACKING PHASE
COMPENSATION
FOCUS PHASE
COMPENSATION
AUTOMATIC
POWER CONTROL
Q101
I-V
AMP
LD
AMP
PD
AMP
FE BIAS
F
E
LD
89
XRST
XTAI
90
XTAO
70
C4M
CKOUT
PCMD
BCK
LRCK
63
C2PO
62
49
RFCK
WDCK
PCMDI
XRST
SLED SERVO
IC101 (2/2)
05
DIGITAL SIGNAL PROCESSOR,
CLV SERVO PROCESSOR,
DIGITAL FILTER, D/A CONVERTER
IC103
SYSTEM CONTROLLER
IC301 (1/3)
ON : When the optical pick-up
is inner position.
• SIGNAL PATH
(Page 31)
: CD PLAY
: DIGITAL OUT
27
CPU INTERFACE
D/A
INTERFACE
CLOCK
GENERATOR
OPTICAL
TRANSCEIVER
IC391
IC391
CD DIGITAL
OUT
OPTICAL
TIMING
LOGIC
74
58
DOUT
71
53
55
55
51
EMPHI
AOUT1
AOUT2
LOUT1
LOUT2
R-CH
AIN1
AIN2
CD-L
SENS2
73
34
36
74
74
47
48
58
18
DISC TRAY SENSOR
IC202
UPSW
S201
(UP)
57
A
T-SENS 76
LED DRIVE
Q201
TRAY-LED
D201
(DISC No.)
62
TRACKING
COIL DRIVE
OP
OUT
OUT
OP+,
OP–
22, 23
6
INTERNAL BUS
DIGITAL
OUT
61
72
73
84
95
85
94
86
93
77
21
60
61
– 29 –
– 30 –
HCD-XB66/XB660
7-3.
BLOCK DIAGRAM
– TAPE DECK Section –
PB EQ AMP
(DECK A)
IC611
PB LEVEL (L)
(DECK A)
REC-L
PB-L
CAPSTAN MOTOR
CONTROL SWITCH
Q651
1
B
(Page 31)
(Page 32)
L-CH
R-CH
R-CH
HP101
(PLAYBACK)
PB EQ AMP
(DECK B)
IC601
L-CH
R-CH
R-CH
05
R-CH
R-CH
HRPE101 (1/2)
(RECORD/PLAYBACK)
REC
EQ AMP
AMS
CIRCUIT
DOLBY NR
AMP
CIRCUIT
BIAS
CONTROL
CIRCUIT
DOLBY PASS
R-CH
L.P.F.
BUFFER
Q1533
+12V (M)
M
M1
(CAPSTAN)
HRPE101 (2/2)
(ERASE)
BIAS OSC
T621
B+
(A+7V)
R-CH
3
4
28
6
11
8
9
21
15
12 14 16 17 18 19 20
13
87 88 89 90 91 92 93
23
25
24
24
+
2
4
2
RV311
PB LEVEL (L)
(DECK B)
RV301
TAPE SPEED
(NORMAL)
RV651
TAPE SPEED
(HIGH)
RV652
REC LEVEL (L)
(DECK B)
RV1501
REC BIAS (R)
(DECK B)
RV441
REC BIAS (L)
(DECK B)
BIAS OSC
Q621, 622
REC BIAS
SWITCH
Q623
ROTATION
DETECT SENSOR
(DECK A)
Q1001
RV341
BIAS
TRAP
C331, L331
REC/PB SWITCHING
IC602
SYSTEM CONTROLLER
IC301 (2/3)
DECK PROCESS
DECK A/B SELECT, PB/REC EQ AMP,
DOLBY NR AMP
IC1501
AIN (L)
BIN (L)
MAOUT
PB OUT (L)
EQ OUT
(L)
MSIN
MSOUT
BIAS-ON/OFF
70
120
NORM
CROM
METAL
S1004
A 120/70
B 120/70
PB-A/B
NORM/HIGH
NR-ON/OFF
RM-ON/OFF
REC/PB/PASS
LM-ON/OFF
(DECK A 120/70)
97
S1003
S1001
(DECK A PLAY)
S1002
(DECK B PLAY)
(DECK A HALF)
S1008
(DECK B 120/70)
27
REC OUT (L)
RIN (L)
EQ IN (L)
10
96
26
A-SHUT
ROTATION
DETECT SENSOR
(DECK B)
Q1002
27
B-SHUT
TC-MUTE
R/P-PASS
NR-ON/OFF
REC-MUTE
BIAS
EQ-H/N
PB-A/B
RELAY
A-PLAY-SW
B-PLAY-SW
A-HALF
28
S1006
(DECK B HALF)
S1009
(DECK B REC)
S1005
(DECK A REC)
D+5V
D+5V
B-HALF
82
CAP-H/N
CAPSTAN
MOTOR CONTROL
Q1531, 1532
TRIGGER
MOTOR CONTROL
Q1534, 1535
86
CAP-M-ON/OFF
94
95
C
• SIGNAL PATH
: PLAYBACK (DECK A)
: PLAYBACK (DECK B)
: RECORD
B-TRG
A-TRG
M
5
6
2
4
10
MOTOR
DRIVE
TRIGGER MOTOR DRIVE
IC1502
OUT1
VZ
OUT2
IN1
IN2
M2
(TRIGGER)
83
84
TRG-LOW
85
– 31 –
– 32 –
7-4.
BLOCK DIAGRAM
– MAIN Section (1/2) –
HCD-XB66/XB660
MIC LEVEL
DBFB CONTROL
SWITCH
Q202
ATTENUATOR
CONTROL SWITCH
Q102, 103
SPEANA
MIXING AMP
IC231
SWITCHING
Q201
RESET SIGNAL
GENERATOR
IC302
C
(Page 30)
R-CH
05
FM/AM TUNER UNIT
VOLUME
CONTROL
CPU INTERFACE
BASS BOOST
CONTROL
CIRCUIT
INPUT
SELECT
SOUND
CONTROL
CIRCUIT
GRAPHIC
EQUALIZER
CONTROL
CIRCUIT
69
R-CH
FEED BACK
SWITCH
Q203
R-CH
R-CH
COMMAND
F OUT2
KEY
IN2
KEY
OUT2
OUT2
BUF
OUT2
VOL
IN2
IN2
+
R-CH
R-CH
R-CH
R-CH
R-CH
D291
+
62
RV760
MIC AMP
IC760 (1/2)
PHONO EQ
AMP
IC101
MIC AMP
IC760 (2/2)
MUTING
Q204
RESET
SWITCH
Q301
INPUT SELECT SWITCH,
GRAPHIC EQUALIZER CONTROL,
ELECTRICAL VOLUME
IC201
IN-2B
71
IN-2A
33 32 34
DATA
CLOCK
LATCH
39
BUF IN2
29 28 30
PORT-B
PORT-A
PORT-C
44 45 3
COM-DOUT
INPUT-CHANGE
COM-CLK
427-LAT
10
X2
X301
5MHz
X302
32.768kHz
11
X1
13
XT2
14
XT1
BB12,
BB22
REC
2A
REC-L
E
(Page 35)
D
(Page 35)
(Page 35)
(Page 36)
(Page 36)
SPEANA
DATA, CLK
POWER
CD-POWER
REC
2B
• SIGNAL PATH
: CD PLAY
: TAPE PLAY
: RECORD
: TUNER (FM/AM)
: MIC INPUT
+5V
R-CH
61
45
65
64
MUTING CONTROL
SWITCH
Q231, 232
44
VOL
OUT2
BB
IN2
IN2
43
42
100
2
20
15
6
38
J101 (2/2)
VIDEO/MD
(AUDIO) OUT
R
L
J761
MIX MIC
ST-L
FM ANT
FM ANT
AM ANT
AM ANT
ST-R
ST-MUTE
STEREO
TUNED
ST-DIN
ST-DOUT
ST-CLK
ST-CE
ANTENNA
FM 75
Ω
AM
41, 40
DBFB-H/L
CD-POWER
POWER
IIC-CLK
IIC-DATA
CLK
DATA
68
ST-CE
65
ST-CLK
66
ST-DIN
67
ST-DOUT
69
TUNED
70
STEREO
72
ST-MUTE
STK-MUTE
TA-MUTE
F-RELAY
99
SW-F-CON
AC-CUT
RESET
1
RESET
J
(Page 34)
RELAY
I
(Page 33)
STK-MUTE
H
(Page 33)
FEED BACK
G
(Page 33)
L-CH
SYSTEM CONTROLLER
IC301 (3/3)
56
55
F
K
L
46
98
CD-L
A
(Page 30)
FUNCTION SWITCH
IC102
PB-L
B
(Page 28)
R-CH
INH
A B
13
6
10 9
J101 (1/2)
R
VIDEO/MD
(AUDIO) IN
PHONO IN
L
R-CH
R-CH
ATTENUATOR
(–5dB)
Q101
R
L
14
12
15
11
54
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