DOWNLOAD Sony CMT-GP7 / HCD-GP7 Service Manual ↓ Size: 5.03 MB | Pages: 60 in PDF or view online for FREE

Model
CMT-GP7 HCD-GP7
Pages
60
Size
5.03 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
cmt-gp7-hcd-gp7.pdf
Date

Sony CMT-GP7 / HCD-GP7 Service Manual ▷ View online

45
HCD-GP7
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
I/O
O
O
O
I
O
I
O
I
O
I
O
I
I
O
I
I
O
O
O
O
I
O
O
O
I/O
I/O
I
I
O
I
O
O
O
I
O
O
O
O
O
O
I
O
O
O
I
I
Pin Name
FL SD
FL SCK
FLSTB
SIRCS
MP3 DATA OUT
MP3 DATA IN
MP3 CLK
BYTE
 CNVSS
XCIN
XCOUT
RESET
XOUT
VSS
XIN
VCC
NMI
RDS-INT
C-SCOR
AC-CUT
ST-MUTE
ST-CE
ST-DOUT
BU PWM 3
ST-DIN
BU PWM 2
ST-CLK
BU PWM 1
IIC_CLK
IIC_DATA
CANNNOT USE
SQ-DATA-IN
SQ-CLK
STEREO
CD-DATA
XLT
CD-CLK
B PLAY
CLOCK OUT
TC-MUTE
REC-MUTE
BAIS
TC-RELAY
STANDBY LED
MP3 REQ
MP3 RESET
MP3 CS
MP3 LP
MP3 ACK
HP DET
Description
Data output to the FL driver (IC801)
Clock output to the FL driver (IC801)
Strobe signal output to the FL driver (IC801)
Remote control signal input from the remote control receiver (IC891)
MP3 serial data output
MP3 serial data input
MP3 serial clock output
Not used (fixed at “L”)
Not used
Sub system clock input (32.768kHz)
Sub system clock output (32.768kHz)
System reset signal input from the reset signal generator (IC501)
Sysem clock output (16MHz)
Ground terminal
System clock input (16MHz)
Power supply terminal
Not used (fixed at “H”)
RDS INT signal input
Sub-code sync detection signal input
AC cut detection signal input
Tuner muting signal output
Chip enable signal output to the tuner
Data output to the tuner
PWM signal output
Data input from the tuner
PWM signal output
Clock output to the tuner
PWM signal output
Communication data clock input or output
Communication data bus
Not used (open)
Subcode Q data  input
Subcode Q reading clock output
Stereo detection signal input from the tuner
Data output to the CD unit
Latch signal output to the CD unit
Clock output to the CD unit
B PLAY switch signal input from the tape deck
Not used (open)
Tape line muting signal output (“H” : on, “L” : off)
Tape record muting signal output (“H” : on, “L” : off)
Bias on/off control signal output
REC/PB switch control signal output to the IC602
Standby LED control signal output
MP3 request signal input
MP3 reset signal output
MP3 chip select signal output
MP3 latch signal output
MP3 acknowledge signal input
Headphone detection signal input
• IC401  M30624MGN-A18FP System Controller (MAIN Board)
46
HCD-GP7
Pin No.
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71 to 73
74
75 to 77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
I/O
I
I
I
O
I
I
O
O
O
I
O
O
O
O
O
I
I
I
O
O
O
O
O
I
O
O
O
I
I
I
I
I
I
I
Pin Name
RDS DATA
VOLUME B
VOLUME A
LDON
NC
SENS
TUNED
B TRG
CAPM-CNT1
XRST
PROTECT
VCC
SOFT-TEST
VSS
CD-POWER
FRONT-RELAY
LOAD-OUT
LOAD-IN
OPEN
CLOSE
NC
POWER KEY
NC
A(CD)-MUTE
NC
ALC
LIN-MUT
PWR-RELAY
NC
STK-POWER
H/P MUTE
AMP(EQ)-CE
AMP(EQ)-DATA
AMP(EQ)-CLK
NC
B SHUT-TC END SW
 B HALF/REC SW
MODEL-IN
SPEC-IN
KEY2
KEY1
AVSS
KEY0
VREF
AVCC
NC
Description
RDS data input
Volume signal input from the rotary encoder
Volume signal input from the rotary encoder
Laser diode on/off control signal output
Not used (open)
Internal status monitor input from the CD unit
Tuning detection signal input from the tuner
Solenoid control signal output to the tape deck
Capstan motor on/off control signal output
CD reset signal output to the CD unit
Protection signal input from the power amplifier circuit
Power supply terminal
Soft check output
Ground terminal
CD power supply control signal output
Speaker relay on/off control signal output
Loading motor control signal output to the motor driver (IC311)
Loading motor control signal output to the motor driver (IC311)
Open signal input from the S1
Close signal input from the S1
Not used (open)
Key signal input from the POWER key
Not used (open)
CD DSP muting signal output
Not used (open)
ALC control signal output
Line muting signal output
Main power relay control signal output
Not used (open)
Standby control signal output to the power amplifier
Not used (open)
Chip enable signal output to the sound processor (IC101)
Data output to the sound processor (IC101)
Clock output to the sound processor (IC101)
Not used (open)
Shut off detection signal input from the reel pulse detector in the tape deck
B half/rec switch detection signal input from the tape deck
Model specification setting teminal
Model destination setting terminal
Key signal input
Key signal input
Ground terminal (analog)
Key signal input
Reference voltage input terminal (for A/D converter)
Power supply terminal (analog)
Not used (open)
SECTION 8
EXPLODED VIEWS
47
HCD-GP7
NOTE:
-XX, -X mean standardized parts, so they may
have some differences from the original one.
The mechanical parts with no reference number
in the exploded views are not supplied.
Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
The components identified by mark 
0
  or
dotted line with mark 
0
 are critical for safety.
Replace only with part number specified.
1
4-247-752-01 RUBBER, FOOT
2
4-249-015-01 CASE,TOP
4
1-689-901-11 THR BOARD
5
1-689-610-11 POWER-AMP BOARD
6
1-698-792-11 FAN, DC
7
1-689-612-11 SPEAKER BOARD
8
1-693-626-11 TUNER (FM/AM)
9
1-773-009-11 WIRE (FLAT TYPE)(15 CORE)
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
10
A-4747-949-A MAIN BOARD, COMPLETE
11
4-247-367-01 LID,CD
#1
7-685-872-01 SCREW +BVTT 3X8
#2
7-685-547-14 SCREW +BTT 3X8
#3
7-685-647-14 SCREW +BVTP 3X10 TYPE2 N-S
#4
7-685-650-79 SCREW +BVTP 3X16 TYPE2 IT-3
#5
7-685-874-09 SCREW +BVTT 3X12 (S)
#6
7-685-648-79 SCREW +BVTP 3X12 TYPE2 N-S
8-1. Over All Section
not
supplied
not supplied
not 
supplied
not 
supplied
not supplied
not supplied
not supplied
not supplied
2
8
9
chassis section
front panel section
CD mechanism deck section
#3
#3
#3
#3
#3
a
b
b
a
#3
#1
#6
#6
#1
#1
#1
#1
#1
#1
#1
#3
#3
#3
#2
#4
#5
#3
#3
7
11
4
5
10
1
6
#1
#1
48
HCD-GP7
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
51
4-249-045-01 SPRING-T, CASSETTE
52
X-4955-862-1 LID ASSY, CASSETTE
53
4-247-372-01 HOLDER,CASSETTE
54
4-238-631-01 TAPE SPRING
55
4-247-361-01 COVER, DISPLAY
56
4-247-374-11 WINDOW,DISPLAY
57
4-247-366-11 CABINET,FRONT
58
4-247-376-01 POWER,INDICATER
59
4-247-370-11 BUTTON,POWER
60
4-247-368-11 BUTTON,FUNCTION
61
4-247-358-01 CAP, CD
62
4-247-359-01 CAP, TUNING
63
4-249-019-01 KNOB,VOLUME
64
4-247-360-11 COVER, RING
65
1-689-613-11 HP BOARD
66
4-247-369-11 BUTTON,OPEN/CLOSE
67
4-247-371-11 BUTTON,CD
68
4-231-841-01 SPRING (HEART CAM-B)
69
4-231-825-01 CAM (B), HEART
70
4-224-104-41 DAMPER
71
4-247-752-01 RUBBER, FOOT
72
4-249-020-01 RING,VOLUME
73
1-796-351-51 MECHANISM, SIGNAL CASSETTE
74
A-4747-951-A TC BOARD, COMPLETE
75
1-773-114-11 WIRE (FLAT TYPE)(19 CORE)
76
4-247-357-11 CAP, AUX
77
A-4747-952-A PANEL BOARD, COMPLETE
78
4-249-984-01 FILTER, FL TUBE
79
4-917-583-71 BRACKET, YOKE
80
1-689-608-11 VOL BOARD
81
4-249-823-01 HOLDER, LED
82
4-249-151-01 HOLDER (FL TUBE)
83
1-773-038-11 WIRE (FLAT TYPE)(17 CORE)
84
1-824-335-11 WIRE (FLAT TYPE)(8 CORE)
FL801
1-518-909-11 INDICATOR TUBE, FLUORESCENT
#3
7-685-647-14 SCREW +BVTP 3X10 TYPE2 N-S
#7
7-685-647-79 SCREW +BVTP 3X10 TYPE2 N-S
#8
7-685-533-19 SCREW +BTP 2.6X6
8-2. Front Panel Section
51
52
53
54
55
56
57
58
59
76
61
62
63
64
65
FL801
66
67
68
69
70
71
72
73
74
75
84
60
77
81
80
83
82
78
79
not supplied
not supplied
not supplied
#3
#7
#8
#7
#7
#7
#3
#3
#8
#8
#3
#3
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