Sony CMT-SX2D / HCD-SX2D Service Manual ▷ View online
25
25
HCD-SX2D
HCD-SX2D
7-4. BLOCK DIAGRAM — PANEL/POWER SECTION —
REMOTE
CONTROL
RECEIVER
IR651
D652
XT2
XT1
X501
32.768kHz
X2
X1
X502
8.38MHz
VFSTB
VFD651
FLUORESCENT
INDICATOR
TUBE
IC651
FL DRIVER
FUNCTION
KEY
S667,S651-654
VFCK
VEDA
REM
I/
LED
DRIVE
LED
Q502
1
RLY
RESET
SWITCH
IC502
RST
AVR
D302
PT901
POWER
TRANSFORMER(MAIN)
D901-904
RELAY
DRIVE
AC IN
D301
Q305,Q320
POWER
CONTROL
D324
INH
MUTE
D309
POWER AMP B+
-33V(VPP)
POWER AMP B-
PT902
(SUB)
TRANSFORMER
D +5V
+12V(VM)
+9V
+5V
REG
IC301
+12V
REG
Q311,312
+9V
REG
Q316
D306
VF
VF
Q307
RY901
D907
D906
CD ON
TOP
TCL
TOP
TCL
POWER
-33V
REG
Q315
Q318
SWITCH
+10V
REG
Q313
+VDD
37
38
40
41
56
55
45
14
62
17
16
15
60
9
8
7
63
34
36
35
IC501 (3/3)
SYSTEM CONTROLLER
STB
28 KEY3
CLK
DIN
14-29,
31-38
SEG1-SEG24
42-39
GRID1-4
-33V(VPP)
VEE
VF
VF
1
5
2
+5V
+5V
+12V(VM)
REG
Q504-506
VOLUME
VR601
22 VUP
33 VDWN
FUNCTION
KEY
S665,S666,S656,S659
27 KEY2
FUNCTION
KEY
S655,S660-664
26 KEY1
CLS
OPN
CLS
C
MPEG-1
SECTION
(Page 22)
(Page 24)
(Page 22)
(Page 23)
D
MPEG-1
SECTION
OPN
50
49
DSCK
DSSTB
DSCK
DSSTB
E
MPEG-2
SECTION
48
47
DSDA
MRST
DSDA
MRST
SFTY 29
FPON 23
SWITCH
Q507
D501
D503
30
VDP
VDD 13
VDP
Q306
SWITCH
A
AUDIO
SECTION
Q309,310
SWITCH
+9V
REG
Q196,197
SWITCH
Q198
+9V (TU)
PCON 64
INH 44
TUON 61
SW901
VOLTAGE
SELECTOR
D319 - D321
+6V
REG
IC101
+6V
KR,TH
E3,SP
LF901
Ver. 1.2
26
26
HCD-SX2D
HCD-SX2D
7-5. PRINTED WIRING BOARD — MAIN SECTION —
•
See page 21 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
D105
G-9
D106
C-10
D107
C-10
D196
B-9
D198
B-8
D199
B-8
D301
I-5
D302
I-3
D305
G-5
D306
I-3
D307
I-2
D308
H-3
D309
J-4
D310
H-2
D312
G-9
D313
G-5
D314
G-9
D317
G-9
D318
G-2
D319
F-7
D320
F-7
D321
F-7
D323
I-7
D324
J-4
D325
H-4
D330
C-8
D501
G-5
D502
D-3
D503
C-3
D505
D-2
D507
F-5
D508
H-3
IC101
C-8
IC201
G-3
IC301
H-5
IC302
F-4
IC501
B-4
IC502
C-3
IC503
D-5
Q196
B-9
Q197
B-9
Q198
B-8
Q199
B-9
Q305
J-4
Q306
I-2
Q307
H-3
Q313
G-8
Q315
I-3
Q316
H-3
Q317
H-5
Q318
G-5
Q319
J-3
Q320
J-4
Q321
G-5
Q322
G-5
Q326
G-3
Q327
G-3
Q328
G-3
Q329
G-3
Q330
G-3
Q331
G-3
Q332
G-3
Q344
F-2
Q345
F-3
Q346
D-3
Q347
D-3
Q348
E-3
Q502
C-3
Q504
D-3
Q505
D-3
Q506
D-3
Q507
C-3
IC301
IC503
IC302
IC501
IC502
IC201
SFTY
MAIN BOARD
L
R
IN
TV
JK201
+
–
–
+
L
SPEAKER
IMPEDANCE USE 6
Ω
R
JK102
C
MPEG BOARD
CN3
(Page 31)
E
AMP BOARD
CN106
(Page 38)
H
AMP BOARD
CN108
(Page 38)
I
AMP BOARD
CN102
(Page 38)
(CHASSIS)
A
KEY BOARD
CN601
(Page 35)
MIC
BOARD
CN250
(Page 35)
HEAD
(REC/PLAYBACK/ERASE)
L-CH
R-CH
ERASE
HEAD
REC/PB
HEAD
1
2
3
2
3
4
6
8
7
5
D
POWER BOARD
FW901
EXCEPT KR
(Page 40)
1
2
8
9
TUNER
B
for DOWN LOAD
MPEG BOARD
CN1
(Page 31)
1
1
16 17
32
33
48
49
64
2
8
7
1
11
2
12
1
9
3
1
1
10
7
1
E
1
2
E
E
E
E
E
E
E
8
1
E
E
E
1
11
5
1
E
1
4
5
8
1
4
5
8
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
A
A
A
K
K
K
E
E
E
E
E
E
E
TAPE
MECHANISM
DECK
1
2
A
B
C
D
E
G
H
I
J
3
4
5
6
7
8
9
10
11
F
22
23
202
CN
R246
C220
C221
R265
R247
R263
C260
R267
C261
R248
1
4
5
8
R264
C262
R268
R249
R266
C232
C120
C132
C259
3
1
CN105
G
JR403
JR404
R221
R121
Q
1
2
Q347
E
3
1
IC101
C100
C105
KR SUPPLEMENT-1
Page 3
Ver. 1.2
27
27
HCD-SX2D
HCD-SX2D
7-6. SCHEMATIC DIAGRAM — MAIN SECTION (1/3) —
•
See page 42 for Waveforms.
•
See page 44 for IC Pin Function Description.
A
KEY
BOARD
CN601
(Page 36)
B
MPEG
BOARD(1/3)
CN1
(Page 32)
1
MAIN BOARD
(2/3)
(Page 28)
8
7
3.1
10
10.7
10.7
10.7
5
5.7
11.3
10.6
0.3
4.9
4.9
5
5
5
0.3
0.7
0.6
0.2
10.3
12.4
3.8
3.4
0.6
0
0
0
5
5
4.2
PIN.No
Voltage PIN.No
Voltage
4.9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
0
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
2.8
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
0
4.9
4.9
4.9
4.9
4,9
0
0
0
0
0
-
5
0
0
0
4.8
0
0
4.9
0
0.3
0
4.9
0.2
5.1
-
5
5
5
2.8
3.8
3.8
0.4
4.9
5
0
5
3.3
2.4
0
3
-
0
4.9
4.9
0
4.9
3.2
3.4
4.8
0.3
0
4.9
4.9
0
0
4.9
0
4.9
0
No mark:FM
( ):REC
( ):REC
IC501 VOLTAGE CHART
2
1
3
4
6
5
7
8
9
10
11
12
13
TUNER
R
L
IN
TV
SO
( )
for DOWNLOAD
IC503
EP ROM
IC502
RESET SWITCH
IC501
SYSTEM CONTROLLER
INVERTER
+9V REG
SWITCH
SWITCH
LED DRIVER
+5V REG
+5V REG
+5V REG
SWITCH
MAIN BOARD
(1/3)
9P
*
*
R581
SP,KR,TH:
2.7k
E3: 24k
2.7k
E3: 24k
1000P
1000P
1000P
1200P
1200P
1000P
0.01
0.01
B
1000P
0.01
0.01
23P
CN502
8P
12P
V
V
V
V
V
V
V
V
V
Ver. 1.2
28
28
HCD-SX2D
HCD-SX2D
7-7. SCHEMATIC DIAGRAM — MAIN SECTION (2/3) —
C
MPEG BOARD (3/3)
CN3
(Page 34)
MIC BOARD
CN250
(Page 36)
G
9
1
MAIN
BOARD
(3/3)
(Page 29)
2
IC B/D
MAIN BOARD
(1/3)
(Page 27)
0
0
0.6
16.5
5.1
0(-6.2)
0(-6.2)
1.9(-11.7)
0
2.2(0)
2.2(0)
1.9(-11.9)
2.2(-11)
2.1(-6.6)
1.9(-11.9)
2.1(-6.5)
2.1(-6.5)
0
0
0
0(6.1)
0(6.1)
0(0.4)
0(0.4)
0
0
0(9.6)
0(2.1)
9.8(8.9)
9.8(0)
0(6.8)
0(6.2)
9.8
0.6
0
0.6
0
4.6
-4.5
-4.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
No mark:FM
( ):REC
( ):REC
9
6
2
1
3
4
6
5
7
8
9
10
11
12
13
24
23
21
18
17
16
20
19
15
14
22
MAIN BOARD
(2/3)
LCH
(REC/PB/ERASE)
RCH
ERASE
TAPE
MECHANISM
DECK
REC/PB
HEAD
HEAD
IC302
SOUND PROCESSOR
S
S
REC/PB SWITCH
Q329~Q332,
Q326,Q327
Q326,Q327
SWITCH
SWITCH
Q344~Q347
BIAS OSC
BIAS OSC
SWITCH
IC301
+5V REG
S
0
0
0
0
0
0
-4.5
4.5
V
V
F
IC201
AMP
+10V
MIC
AGND
IC101
+6V REG
C 1 0 0
C 1 0 5
IC101
NJM7806FA
8P
0.018
0.018
10K
10K
10
JR101
0
0
16
16
0.01
SWITCH
C235
470P
CN202
3P/2.0
•
See page 42 for Waveform.
•
See page 42 for IC Block Diagram.
Click on the first or last page to see other CMT-SX2D / HCD-SX2D service manuals if exist.