Sony HCD-RG121 / MHC-RG121 Service Manual ▷ View online
21
21
HCD-RG121
SECTION 5
DIAGRAMS
1
IC601
qd
(I-XT2)
2 V/DIV, 10 s/DIV
2
IC601
qh
(CF2)
2 V/DIV, 40 ns/DIV
5.2 Vp-p
30.5 s
4.9 Vp-p
100 ns
• Waveforms
– PANEL BOARD –
– PANEL BOARD –
MOTOR (LD) board
SW board
SENSOR board
BD80A board
MOTOR (TB) board
DRIVER board
CONNECT board
SUB-TRANS board
AMP board
VIDEO OUT board
GAME JACK board
PANEL board
1 STREAM LED board
H/P JACK board
TRANSRATION board
MAIN board
TRANS board
REM board
AEP, UK
• Circuit Boards Locations
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: B– Line.
•
H
: adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
no mark
tion tolerances.
no mark
:FM
(
) :CD STOP
• Abbreviation
AR:
Argentina model
AUS: Australian Model
E2:
E2:
120 V AC Area in E model
E3:
240 V AC Area in E model
E51: Chilean and Peruvian model
EA:
EA:
Saudi Arabia model
MX: Mexican model
SP:
SP:
Singapore model
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: TUNER
d
: PB (DECK A)
d
: PB (DECK B)
G
: REC (DECK B)
J
: CD
f
: AUDIO
Note:
The components identified by mark
0
or dotted line with
mark
0
are critical for safety.
Replace only with part number specified.
Note on Printed Wiring Boards:
•
•
X
: parts extracted from the component side.
•
: Pattern from the side which enables seeing.
• Indication of transistor.
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Side A)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Side B)
the parts face are indicated.
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
22
22
HCD-RG121
5-1. BLOCK DIAGRAM – PANEL SECTION –
IC601(1/2)
SYSTEM CONTROLLER
CN603
D401
+B
-B
F904
12 XT1
X601
32.768kHz
13 XT2
MP3-TTB
80
IC610
15 CF1
X602
10MHz
16 CF2
28
3
SIRDS-IN
REMOTE
CONTROL
RECIEVER
82
STREM-LED1
74
42
30
POWER RELAY
11
RESET
29
ACCUT
A
BD/DRIVE
SECTION
(Page 24)
25 KEY3
MP3-RESET
6
MP3--REQ
4
MP3-ACK
3
MP3-CS
2
MP3-CS'
1
MP3-CLK
100
MP3-DI
99
MP3-DO
98
CD-CLK
97
SENS
96
CD-DATA
95
XLT
94
XRES
93
XTCN
92
SCOR
5
FUNCTION
KEY
S641-S650
27 KEY1
FUNCTION
KEY
S601-S608,S610-S612
26 KEY2
FUNCTION
KEY
S621-S624,S627-S630
9 VOLUME-IN1
10 VOLUME-IN2
ENCODER
S851
LED
DRIVER
Q610
LED851
76
POWER LED
G01-G13
S1-S21
LED601
F905
AC3
D301-D304
D902
Q902
IC301
REG
-VFL
F906
AC4
VF
D305-D308
D902-905
F907
REG
+3.5V
1
3
IC303
REG
SWITCH
Q361,Q362,Q314,Q315
RELAY
DRIVE
+9V
1
3
D309-D312
IC304
REG
+9V
VF
-VFL
1
3
IC302
REG
+3.5V
1
2
4
3.3V
PT902
SUB TRANSFORMER
RY901
PT901
POWER TRANSFORMER
IC603
REG
1
5
IC604
RESET 1
3
Q605
RESET
SWITCH
FL601
FLUORESCENT
INDICATOR
TUBE
AC
IN
SCOR
XTCN
XRST
XL-T-CD
CD-DATA
SENS
CD-CLK
MP3-DO
MP3-DI
MP3-CLK
MP3-CS
MP3-CP
MP3-ACK
MP3-REQ
MP3-RESET
MP3-STB
C18
C15
C14
C13
C12
C11
C10
C9
C8
C7
C6
C5
C4
C3
C2
C1
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11
C12
C13
C14
C15
C18
Q301,Q302
43
45
47
50
52
65
45
47
50
52
65
MASTER VOLUME
VOLTAGE
SELECTOR
S901 (EA,SP,E2,E3,E51)
23
23
HCD-RG121
5-2. BLOCK DIAGRAMS – MAIN SECTION –
CN201
CD NO SENS
CD OPEN/CLOSE
CD ENCORDER
LM-R
LM-F
TM-R
TM-F
D
BD/DRIVER
SECTION
(Page 24)
TUNER
IC101
SOUND PROCESSOR
IC102
BUFFER
61 TUNER_L
19 SI
18 SO
59 GAME-L
9 TAPEA1
11 TAPEB1
15 REC-OUT1
DATA
RCLK
1 CDL
24 I-STREEMA/VACS
75 SYSTEM-MUTE
69 ASM
19
WFR/HP/MIC
18
PROTECT
73
SENSOR
21
CD-OPEN/CLOSE
20
CD ENCORDER
CLK
DATA
91
88
32
VOUT2
33
VOUT1
35
34
BBIN1
BBNF1
31
BBNF2
40
ASMOUT
11 Q5
12 Q6
7 Q1
6 Q0
CD-R
R-CH
R-CH
CD-L
R-CH
IC371
SP DRIVER
9
4
IC201
SELECTOR
IC601(2/2)
SYSTEM CONTORLLER
IC441
POWER AMP
5
13
4
11
RELAY
DRIVE
Q485-Q488
OVERLOAD
DET
Q441,Q442
OVERLOAD
DET
Q481,Q482
R-CH
R-CH
RY441
L
R
GAME INPUT
VIDEO OUT
JK441
Q106
BUFFER
Q107
BUFFER
Q327
BUFFER
MUTE
MUTE
STK
SWITCH
AC4
Q308,
Q309,Q313
Q489
OVERHEAT
DET
Q483,Q484
TH441
Q101-Q104
SWITCH
CD-MUTE
Q304-Q307
TUNER-L
TUNER-R
CLK
CE
TUNED
STEREO
RDS DATA
RDS INT
TU-MUTE
CLK
CE
TUNED
STEREO
RDS DATA
RDS INT
Q351,Q352
J804
J803
VIDEO
VIDEO
R-CH
L
R
BIAS
OSC
Q321
Q324
+9V
STK
CD-MUTE
R-CH
REC SW
CONT
7 P/B SW
R-CH
L
R
HP2
HP1
L
R
HRP2
HRP1
HE1
DECK-B
SWITCH
Q322,Q323
L101
SWITCH
Q308,Q309
Q313
10 Q4
SP RELAY
17 Q11
LM-R
13 Q7
LM-F
14 Q8
TM-R
15 Q9
TM-F
16
4
5
Q10
CLOCK
LCH
B
BD/DRIVER
SECTION
(Page 24)
J801
PHONES
DECK-A
TAPE
MECHANISM DECK
Q603,Q608
I-REEL-A
23
22
70
4
TAPE B START+
TAPE A START+
SOLA
SOLA
A-PHOTO
PWDEWC B
MODE B
MODE A
B HALF
A HALF
I-REEL-B
71
DATA
CLK
84
85
86
CE
DO
LCH
87
B-PHOTO
A TRIG
DRIVE
3 SOLB
AOLB
Q601,Q606
2 MOTOR
SOLA
CLK
CE
DI
DI
68 STEREO
67 TUNED
STEREO
TUNED
DATA
RCLK
DO
LCH
SOLB
MOTOR
COMP
CAP M
DRIVE
Q602,Q607
B TRIG
DRIVE
56
55
SAOUT1
SAOUT2
30
BBNF2
SWITCH
3
83
SPEAKER
DRIVE
SPRELAY
Q312
I-BU1924 DATA
I-BU1924 CLK
8
7
RDS INT
RDS DATA
(AEP,UK)
DI
DO
DO
DI
(AEP,UK)
• Signal Path
• R-CH is omitted due to same as L-CH
: TUNER
: CD
: PB(DECK A)
: PB(DECK B)
: AUDIO
: REC(DECK B)
24
24
HCD-RG121
5-3. BLOCK DIAGRAMS – BD/DRIVER SECTION –
: CD
• Signal Path
• R-CH is omitted due to same as L-CH
IC731
(TABLE SENSOR)
CN701
IC701
(LD)MOTOR DRIVER
4
2
2
9
11
RIN
FIN
OUT1
OUT2
IC712
TBL MOTOR DRIVER
4
2
2
9
7
7
RIN
FIN
OUT1
OUT2
D
MAIN
SECTION
(Page 23)
LMR
LMF
TM-R
TM-F
TBL ADDRESS SW
E-1
E-2
E-3
OPEN SW
Q731
M751(LOADING)
M741(TBL)
RE701
S751
(LEVER SW)
ROTARY
ENCODER
E-3
E-2
E-1
SWITCH
M
M
+3V
OPTICAL PICK-UP
BLOCK
(KSM-213DCP/Z-NP)
LD
DRIVER
Q10
+1.7V
LD
GND
FOCUS
COIL
F+
F
T+
T
TRACKING
COIL
IC251
SL/SP MOTOR
DRIVER
RF AMP
IC101
12
11
13
14
VR
PD
14
13
18
17
7
4
CH2OUT-F
SSTP
CH2IN
CH2FIN
CH1RIN
CHIFIN
CH2OUT-R
CH1OUT-R
CH1OUT-F
CH1OUT-F
CH1OUT-R
CH3OUT-R
CH3OUT-F
M
M
(SPINDLE)
(SLED)
VC
24
VCC
VC
A
B
C
D
E
F
DETECTOR
A
B
C
D
E
18
F
19
LD
34
PD
35
FRDR
14
TFDR
11
98
CLOK
95
DATA
97
XLAT
100
SENS
100
SCOR
S101
M101
M102
88
76
81
67
XTACN
93
XRST
25
26
27
28
6
FFDR
13
23
CH3FIN
CH3RIN
SFDR
9
22
SRDR
10
5
TRDR
12
7
AOUT1
AOUT2
DOUT
CN201
CLK
DATA
XLT
SENS
SCOR
XRST
XTACN
LOUT
ROUT
DOUT
LOUT
ROUT
DOUT
A
PANEL
SECTION
(Page 22)
B
MAIN
SECTION
(Page 23)
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