Sony CMT-DC1K / HCD-DC1K Service Manual ▷ View online
34
HCD-DC1K
APC PD AMP
APC LD AMP
RF SUMMING AMP
RF EQ AMP
FOCUS ERROR AMP
TRACKING
ERROR AMP
VC BUFFER
VCC
50
µ
A
VEE
VEE
VC
VC
VC
VC
VC
VC
VC
VC
VC
VC
VCC
VEE
VCC
VEE
VEE
VC
VCC
LC/PD
LD ON
HOLD SW
AGC CONT
RFTC
RF I
RF O
RFE
TE
FE
RF BOT
HOLD
AGC VTH
LD
PD
A
B
C
D
VEE
F
E
VC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
+
–
–
+
–
–
+
–
–
+
–
–
+
–
–
+
–
+
–
–
VCC
+
–
–
+
–
–
+
–
–
+
–
+
–
–
+
–
–
+
–
–
+
–
–
+
–
IC103
CXA2568M-T6
35
HCD-DC1K
CH2/A CH2/B
NF
VCC
CG
NF
ALC
METAL
OUT
PRE
OUT
OUT
TAPE A
/TAPE B
REC
OUT
OUT
REC
IN
CH1/A CH1/B
NF
GND1
M/H
NF
CH2
CH2
ALC
M/N
CH1
GND
GND
CH1
+
–
+
–
+
–
+
–
A/B
GND
METAL
OUT
PRE
OUT
OUT
MIX
OUT
REC
OUT
OUT
REC
IN
IREF
VREF2
VREF1
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
THERMAL
SHUTDOWN
BIPOLAR
TRANSCONDACTANCE
INPUT STAGE
STANDBY/
MUTE
BOOST-
STRAP
MOS GAIN &
LEVEL SHIFTING
STAGE
STBY
-GND
IN
–
IN+
IN+ MUTE
NC
BOOSTSTRAP
+VS
–
VS
STBY
MUTE
NC
NC
+PWVS
OUT
–
PWVS
14 15
12
13
10
11
8 9
6
7
5
3
4
1 2
+
–
MOS
OUTPUT
STAGE
SHORT
CIRCUIT
PROTECTION
– MAIN Board –
IC101, 201
TDA7296
GND
OUT1
VCTL
VZ1
VZ2
IN1
IN2
VCC1
VCC2
OUT2
5
6
7
8 9 10
1
2 3
4
DRIVER OUT
PRE DRIVER
LOGIC
SWITCH
TSD
BIAS
IC320
KA3082
– TC Board –
IC401
TA8189N
36
HCD-DC1K
7-1. UPPER COVER, TAPE MECH DECK SECTION
SECTION 7
EXPLODED VIEWS
• Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
delay should be anticipated when ordering
these items.
• The mechanical parts with no reference num-
ber in the exploded views are not supplied.
• Hardware (# mark) list is given in the last of
the electrical parts list.
NOTE:
• -XX and -X mean standardized parts, so they
may have some difference from the original
one.
one.
• Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color Cabinet's Color
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
1
#3
not supplied
not
supplied
supplied
not supplied
not supplied
not supplied
chassis section
#1
#1
#3
#1
#3
#1
#1
#2
#2
#1
front panel
section
section
6
2
3
4
5
6
not supplied
1
1-796-101-12 DECK, MECH (TAPE)
2
A-4726-690-A TC BOARD, COMPLETE
3
1-757-809-11 CABLE, FLEXIBLE FLAT (9 CORE)
4
1-757-806-11 CABLE, FLEXIBLE FLAT (18 CORE)
5
X-4954-324-1 COVER SUB ASSY, UPPER (SILVER)
5
X-4954-325-1 COVER SUB ASSY, UPPER (BLACK)
5
X-4954-326-1 COVER SUB ASSY, UPPER (RED)
6
4-221-580-01 SCREW, CASE
The components identified by
mark 0 or dotted line with mark
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
Replace only with part number
specified.
37
HCD-DC1K
7-2. FRONT PANEL SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
not
supplied
supplied
not supplied
not
supplied
supplied
not supplied
not supplied
#1
#4
#1
#1
#1
#7
#1
#1
54
56
57
58
71
59
61
60
70
55
62
63
64
64
64
66
67
68
69
51
52
53
65
not supplied
supplied with RV801
51
4-236-221-01 AZIMUTH CAP (SILVER)
52
X-4954-045-1 VOLUME KNOB ASSY
53
X-4954-041-1 COVER SUB ASSY, FRONT
54
X-4954-047-1 LID SUB ASSY, CASSETTE (SILVER)
54
X-4954-093-1 LID SUB ASSY, CASSETTE (BLACK)
54
X-4954-094-1 LID SUB ASSY, CASSETTE (RED)
55
1-823-469-11 CABLE, FLEXIBLE FLAT (20 CORE)
56
1-823-470-11 CABLE, FLEXIBLE FLAT (18 CORE)
57
1-682-412-11 LCD BOARD
58
4-217-319-11 PLATE, LCD LIGHT
59
X-4954-046-1 HOLDER SUB ASSY, CASSETTE
60
4-236-228-01 SPRING, CASSETTE
61
3-351-377-11 GEAR, DAMPER
62
4-236-214-01 BUTTON, POWER (SILVER)
62
4-236-214-11 BUTTON, POWER (BLACK)
62
4-236-214-21 BUTTON, POWER (RED)
63
1-682-417-11 I/O SWITCH BOARD
64
4-931-757-31 SCREW (DIA. 2.6X8) (IT3B), TAPPING
65
A-4727-541-A SWITCH BOARD, COMPLETE
66
1-682-409-11 HEADPHONE BOARD
67
X-4954-310-1 PANEL SUB ASSY, FRONT (SILVER)
67
X-4954-311-1 PANEL SUB ASSY, FRONT (BLACK)
67
X-4954-312-1 PANEL SUB ASSY, FRONT (RED)
68
4-232-478-01 FOOT
69
4-236-205-61 CD COVER (SILVER)
69
4-236-205-71 CD COVER (BLACK)
69
4-236-205-81 CD COVER (RED)
70
1-418-693-32 INDICATOR BLOCK, LED
71
4-237-135-01 WINDOW (RUBBER)
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