DOWNLOAD Sony HCD-C20 / HCD-G202 / MHC-C20 / MHC-G202 Service Manual ↓ Size: 18.58 MB | Pages: 60 in PDF or view online for FREE

Model
HCD-C20 HCD-G202 MHC-C20 MHC-G202
Pages
60
Size
18.58 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / S/M HCD-C20/G202 1997 US CAN E
File
hcd-c20-hcd-g202-mhc-c20-mhc-g202.pdf
Date
PREV: Sony MHC-C20 / MHC-G202 Service Manual

Sony HCD-C20 / HCD-G202 / MHC-C20 / MHC-G202 Service Manual ▷ View online

— 21 —
— 22 —
— DECK SECTION —
HCD-C20/G202
R CH
R CH
CH1/A
CH1/B
NF
-
+
PRE
OUT
BIAS OSC COIL
L201
R CH
R CH
BIAS
OSC
Q218
PLAY/REC
CONTROL
Q203,205
PLAY/REC
CONTROL
DRIVE
Q207
PLAY/REC
CONTROL
Q201
Q211
A/B
TAPE A/TAPE B
+
-
REC IN
NF
REC
OUT
REC/PLAY
EQ AMP
IC201
REC SWITCH
DRIVE
Q217
MUTE
SWITCH
Q216
MUTE
Q209
D205
+
Q219
D202
TAPE  A
SWITCH
Q214
SW201
REC/PLAY
SWITCH
PLAY
REC
TAPE A/B
SWITCH
Q213
D201
D203
D213
D212
D211
B +
D207
D206
M
SFR201
TAPE SPEED
M901
REEL/CAPSTAN
MOTOR
S203
PLAY
S202
B DECK
S201
A DECK
GROUND
SWITCH
Q220
B +
REC L
CD SYNC
PB L
D208
09
D209
B
MAIN
SECTION
TAPE B
HP901
PB HEAD
TAPE A
HRP901
REC/PB
HEAD
HE901
ERASE
HEAD
• R CH is omitted
• Signal path
           :  PB (DECK A)
           :  PB (DECK B)
           :  REC (DECK A)
3
1
2
5
9
11
10
19
(Page 23,25)
— 23 —
— 24 —
HCD-C20/G202
11
9
12
10
TUNER MUTE
Q1
3
CONTROL
LINE AMP
Q451
ELECTRICAL
VOLUME
1
2
LVR
IN
LVR
OUT
INPUT SELECTOR
IC401
LT
OUT
L2
L4
L1
L3
15
14
16
CLK
DI
CE
CL
DI
CE
Q491
18
19
TUNED
SWITCH
Q751
16
BASS
BOOST
Q461
LED
DRIVER
Q605
BASS
BOOST
SWITCH
Q463
DBFB
LED601
5
7
L.P.F
IC403
MUTE
Q581
MUTE
SWITCH
Q583,584
MUTE
Q604
13
12
7
8
1
POWER AMP
IC501
OVERLOAD
STANDBY
CONTROL
Q501 - Q503
DET
Q551
3
6
MUTE
Q587
MUTE
SWITCH
Q589
D585,
781 
PROTECT
SWITCH
Q553
4
6
7
4
POWER ON
DET
Q782
DET
OUT
VCC
ON
MUTE
AC OFF
DET
PROTECTOR
IC502
STBY
SWITCH
Q586
STBY
SWITCH
Q585
MUTE
SWITCH
Q603
D584
POWER ON
DET
Q781
PWN
P. ON
D
POWER
SECTION
POWER ON
DET
Q601
B+
RESET
SWITCH
Q602
B+
68
55
53
52
RESET
POWER DOWN IN
POWER OUT
SYSTEM MUTE OUT
DI
CLK
CE
64 65 66
DI
CLK
1
2
3
17
LED DRIVER
IC603
DATA
DISC1
DISC3
CLK
LATCH
6
17
12
LED602 - LED603
D617
RST
B+
DISC 1 - 3
D582, 583
DI
CLK
B. BOOST
CD L
CD SYNC
SQSO
SCOR
SENS
XLAT
COUNT
FOK
STB
UP
DOWN
SQCK
DATA
09
39
40
45
62
67
37
38
60
44
43
41 SQSO
SCOR
SENS
XLAT
COUNT
FOK
STB
DI2
GFS
SQCK/MODE SW IN
DATA
PB L
REC L
C
CD
SECTION
B
DECK
SECTION
DO
ST IND
MUTE
STEREO
CE
CLK
DI
TU L
A
TUNER
SECTION
13 - 15
1 - 3
15
10
•
7
A - C
Y0
Y5
•
Y7
5 G2
SELECTOR
IC602
KEY
MATRIX
29 - 32 • 34
69 - 80 • 1 - 12 21 - 24
LCD DISPLAY
LCD601
59
58
X601
4.19MHz
X2
X1
COM 0
COM 3
S00
S23
KI 0
KI 4
KO A
KO C
42
2
REMOTE
CONTROL RECEIVER
RM601
49 48
S02
OPEN/CLOSE
DET
46
47
S03
TURN TABLE
POSITION DET
S04
TURN TABLE
OPERATION DET
TRAY CLOSE SW
TRAY OPEN SW
DISC COUNT SW
TURN TABLE SW
36
63 61
SYS.REC IN
TAPE REC OUT
DI1
FM ST IN
TU MUTE OUT
TUNED
DO
CLK
CE
LATCH OUT
SYSTEM CONTROLLER, LCD DRIVER
IC601
REM. IN
RL501
JK501
SPEAKER
R-CH
JK502
PHONES
• R CH is omitted.
• Signal path
           : FM
           : PB
           : REC
           : CD
• Abbreviation
  CND : Canadian model.
  MY : Maleysia model.
  SP
: Singapore model.
  MX : Mexican model.
  AUS : Australian model.
(Page 16)
(Page 22)
(Page 20)
(Page 27)
MODE
SWITCH
Q606
AM TUNING
STEP
SWITCH
SW751
E, MY, SP, AUS
— MAIN SECTION — (US, CND, E, MY, SP, MX, AUS models)
— 25 —
— 26 —
— MAIN SECTION — (AEP, UK models)
HCD-C20/G202
11
9
12
10
3
CONTROL
LINE AMP
Q305
ELECTRICAL
VOLUME
1
2
LVR
IN
LVR
OUT
INPUT SELECTOR
IC303
LT
OUT
L2
L4
L1
L3
15
14
16
CLK
DI
CE
CL
DI
CE
Q309
BUFFER
19
TUNED
SWITCH
Q311
16
BASS
BOOST
Q319
LED
DRIVER
Q605
BASS
BOOST
SWITCH
Q307
DBFB
LED601
MUTE
Q303
MUTE
Q604
MUTE
Q401
15
11
POWER AMP
JK301
R-CH
IC301
RELAY
DRIVE
Q312
MUTE
SWITCH
Q603
D
POWER
SECTION
POWER ON
DET
Q601
B+
RESET
P.MUTE
P. ON/OFF
Q312
B+
68
55
53
52
RESET
POWER DOWN IN
POWER OUT
SYSTEM MUTE OUT
DI
CLK
CE
64 65 66
DI
CLK
1
2
3
17
LED DRIVER
IC603
DATA
DISC1
DISC3
CLK
LATCH
6
17
12
LED602 - LED603
D617
RST
B+
DISC 1 - 3
D319, 318
DI
CLK
B. BOOST
CD L
CD SYNC
SQSO
SCOR
SENS
XLAT
COUNT
FOK
STB
UP
DOWN
SQCK
DATA
39
40
45
62
67
37
38
60
44
43
41 SQSO
SCOR
SENS
XLAT
COUNT
FOK
STB
DI2
GFS
SQCK/MODE SW IN
DATA
PB L
REC L
C
CD
SECTION
B
DECK
SECTION
DO
ST IND
MUTE
STEREO
CE
CLK
DI
TU L
A
TUNER
SECTION
13 - 15
1 - 3
15
10
•
7
A - C
Y0
Y5
•
Y7
5 G2
SELECTOR
IC602
09
KEY
MATRIX
29 - 32 • 34
69 - 80 • 1 - 12 21 - 24
LCD DISPLAY
LCD601
59
58
X601
4.19MHz
X2
X1
COM 0
COM 3
S00
S23
KI 0
KI 4
KO A
KO C
42
2
REMOTE
CONTROL RECEIVER
RM601
49 48
S02
OPEN/CLOSE
DET
46
47
S03
TURN TABLE
POSITION DET
S04
TURN TABLE
OPERATION DET
TRAY CLOSE SW
TRAY OPEN SW
DISC COUNT SW
TURN TABLE SW
36
63 61
SYS.REC IN
DI1
FM ST IN
TU MUTE OUT
TUNED
DO
CLK
CE
LATCH OUT
SYSTEM CONTROLLER, LCD DRIVER
IC601
REM. IN
• R CH is omitted.
• Signal path
           : FM
           : PB
           : REC
           : CD
(Page 18)
(Page 22)
(Page 20)
(Page 28)
POWER ON
MUTE SWITCH
Q313
SPEAKER
JK302
PHONES
— 27 —
— 28 —
— POWER SECTION — (US, CND, E, MY, SP, MX, AUS models)
— POWER SECTION — (AEP, UK models)
HCD-C20/G202
AC
IN
PT302
POWER
TRANSFORMER
VOLTAGE
SELECTOR
SW801
E, MY, SP
RECT
Q707,708
+12V REG
Q701
+7.5V REG
Q703
+5V REG
Q05
REG CONTROL
Q04
+5V REG
Q12
+5.6V REG
Q704
+11.2V REG
Q702
+5V
MUTE
CONTROL
+5V
+5.6V
+11.2V
+12V
+12V
PWN
P.ON
+12V REG
Q705
REG CONTROL
Q706,707
RECT
Q709
RECT
D701
-10.5V REG
D741
-10.5V
+33V
-33V
D
MAIN
SECTION
E
CD
SECTION
09
(Page 20)
(Page 24)
• Abbreviation
  CND : Canadian model.
  MY : Malaysia model.
  SP
: Singapore model.
  MX : Mexican model.
  AUS : Australian model.
+7.5V REG
Q316
+11.5V REG
Q315
RECT
D310-D313
+10.5V REG
Q321
+7.5V
+5V
+10.5V
PT302
POWER
TRANSFORMER
AC
IN
6
4
3
5
2
1
+5V REG
Q301
REG CONTROL
Q04
RY301
RELAY
RECT
D306
+51.5V
09
P.MUTE
P.ON/OFF
CONTROL
MUTE
D
MAIN
SECTION
(Page 26)
E
CD
SECTION
(Page 20)
+5V
+12V
+5V REG
Q05
+12V REG
Q317
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