Sony CMT-HP7 / HCD-HP7 Service Manual ▷ View online
41
HCD-HP7
— MAIN Board —
IC201 HA12237F
— PWR AMP Board —
IC501 STK403-070S
-VCC
+VCC
CH2 OUT(+)
CH2 OUT(-)
CH1 OUT(+)
CH1 OUT(-)
+PRE
SUB
GND
CH1 IN
CH1 NF
ST
-BY
CH2 NF
CH2 IN
1
2
3
4
5
6 7 8 9 10 11
12
13 14
PRE DRIVER
CH1
BIAS
CIRCUIT
SUB
PRE DRIVER
CH2
— CONNECTOR Board —
IC701, 711, 721 BA6956AN
1
2
3
4
5
6
7
8
9
CONTROL LOGIC
TSD
VREF
OUT2
OUT1
RNF
VM
VCC
FIN
GND
RIN
42
HCD-HP7
8-13.
IC Pin Function Description
• IC601 LC876796B-51K7-E (SYSTEM CONTROLLER)(PANEL B0ARD)
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 to 41
42 to 45
46
47 to 50
51
52 to 65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
I/O
O
I
O
O
O
O
O
O
O
I
I
I
O
—
I
O
—
I
I
I
I
I
I
I
I
I
I
I
I
O
O
—
O
—
O
I
I
I
I
I
I
—
I
I
I
I
I
O
I
Pin Name
SYS MUTE
BU1924 DATA
CD POWER
LC87646 RESET
LC87646 CE
LC87684 CE
M61529 CLK
PT8300 CE
LC72121 CE
LC87684 SYNC
RESET
XT1
XT2
VSS1
CF 1
CF 2
VDD1
TCM
TCM1
CDM ELVE-3,2,1
CDM ELVE-0/
SLDE-3,2
CDM SLDE-1,0
VACS
KEY 2
KEY 1
KEY 0
POWER DOWN
REMCON IN
BU1924 CLK
G12 to G1
P1 to P4
VDD3
P5 to P8
VPP
P9 to P22
CDM SW5-B
CDM SW5-A
CDM SW4
CDMSW2-B
CDM SW2-A
CDMSW1-A
VDD4
CDM SW3
TUNER TUNED
TUNER STEREO
CD DRF
CD WRQ
CD MUTE
VR ENCODER A
Description
System muting signal output
RDS data input from the tuner
Not used (open)
Reset signal output to the RF amplifier (IC721)
Chip enable signal output to the RF amplifier (IC721)
Chip enable signal output to the MP3 decoder (IC801)
Clock output to the sound processor (IC301)
Chip enable signal output to the I/O expander (IC302)
Chip enable signal output to the tuner
MP3 frame sync signal input from the MP3 decoder (IC801)
Reset signal input
Resonator terminal (32.768kHz)
Resonator terminal (32.768kHz)
Ground terminal
Resonator terminal (8MHz)
Resonator terminal (8MHz)
Power supply terminal
Switch detection signal input from the tape deck
Switch detection signal input from the tape deck
Sensor signal input from the CD changer
Sensor signal input from the CD changer
Sensor signal input from the CD changer
VACS signal input
Key signal input from the S614 to 622
Key signal input from the S601 to 610
Key signal input from the S627 to 636
Power down detection signal input from the IC603
Remote control signal input from the remote sensor (RM601)
RDS clock input from the tuner
Grid signal output to the fluorescent indicator tube
Segment output to the fluorescent indicator tube
Power supply terminal
Segment output to the fluorescent indicator tube
Power supply terminal (negative)
Segment output to the fluorescent indicator tube
Stocker in/out switch signal input from the CD changer
Disc position switch signal input from the CD changer
Stocking switch signal input from the CD changer
Disc in (8cm) switch signal input from the CD changer
Disc in (play) switch signal input from the CD changer
Disc insert switch signal input from the CD changer
Power supply terminal
Disc out switch signal input from the CD changer
Tuner tuned status signal input from the tuner
Stereo/mono signal input from the tuner
DRF signal input from the RF amplifier (IC721)
Subcode Q output standby signal input from the RF amplifier (IC721)
Not used (open)
Volume signal input from the rotary encoder (VR601)
43
HCD-HP7
Pin No.
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
I
I
O
O
O
O
—
—
O
O
O
O
O
I
O
O
I
O
Pin Name
VR ENCODER B
CDM D.SENSOR
PROTECTOR
TAPE END
MODE SW IN
LINE MUTE
DISC5 LED
DISC4 LED
DISC3 LED
VSS2
VDD2
DISC2 LED
DISC1 LED
POWER LED
POWER RELAY
LC72121/M61529/
PT8300 DO
LC72121 DI
LC72121/PT8300
CLK
LC87646/LC78684
DO
LC87646/LC78684
DI
LC87646/LC78684
CLK
Description
Volume signal input from the rotary encoder (VR601)
Disc detection signal input
Protection signal input from the power amplifier circuit
Tape end detection signal input from the tape deck
Mode setting signal input
Line muting signal output
Disc LED control signal output
Disc LED control signal output
Disc LED control signal output
Ground terminal
Power supply terminal
Disc LED control signal output
Disc LED control signal output
Power LED control signal output
Power relay on/off control signal output
Data output to the tuner, the sound processor (IC301) and the I/O expander (IC302)
Data input from the tuner
Clock output to the tuner and the I/O expander (IC302)
Serial command data output to the RF amplifier (IC721) and the MP3 decoder (IC801)
Serial command data input from the RF amplifier (IC721) and the MP3 decoder (IC801)
Serial command clock output to the RF amplifier (IC721) and the MP3 decoder (IC801)
SECTION 9
EXPLODED VIEWS
NOTE:
•
-XX, -X mean standardized parts, so they may
have some differences from the original one.
have some differences from the original one.
•
Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
•
The mechanical parts with no reference number
in the exploded views are not supplied.
in the exploded views are not supplied.
•
Abbreviation
AUS : Australian model.
CND: Canadian model.
E2
AUS : Australian model.
CND: Canadian model.
E2
: 120 V AC area in E model.
E3
: 220-240 V AC area in E model.
KR : Korean model.
MX : Mexican model.
RU : Russian model.
TH : Thai model.
TW : Taiwan model.
MX : Mexican model.
RU : Russian model.
TH : Thai model.
TW : Taiwan model.
44
HCD-HP7
The components identified by mark
0
or
dotted line with mark
0
are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque
0
sont critiques pour la sécurité.
Ne les remplacer que par une pièce portant
le numéro spécifié.
le numéro spécifié.
1
3-363-099-71 SCREW (CASE 3 TP2)(EXCEPT KR)
1
3-363-099-81 SCREW (CASE 3 TP2)(KR)
2
4-246-394-01 CASE (SIDE-L)(US)
2
4-246-394-11 CASE (SIDE-L)(EXCEPT US)
3
4-246-395-01 LID (TC)
4
4-246-396-01 WINDOW (TC)
5
4-232-195-01 SPRING (LID)
6
4-951-620-01 SCREW (2.6X8), +BVTP
7
4-231-776-01 SPRING, CASSETTE DETENT
8
4-246-390-01 PANEL (L), SUB TOP
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
9
4-246-389-01 PANEL, TOP (US)
9
4-246-389-11 PANEL, TOP (EXCEPT US)
10
4-246-391-01 PANEL (R), SUB TOP
11
1-827-392-11 WIRE (FLAT TYPE)(8 CORE)
12
1-796-351-41 MECHANISM, SINGLE CASSETTE
13
4-246-393-01 CASE (SIDE-R)(US)
13
4-246-393-11 CASE (SIDE-R)(EXCEPT US)
14
4-246-403-01 SPACER
#1
7-685-646-79 SCREW +BVTP 3X8 TYPE2 IT-3
#2
7-685-650-79 SCREW +BVTP 3X16 TYPE2 IT-3
9-1. Case, Top Panel Section
#2
#2
#1
#1
#1
#2
front panel section
chassis section
10
9
7
6
6
11
8
4
3
5
2
1
6
1
1
12
13
6
14
14
1
not
supplied
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