Sony XR-C6210R / XR-C6220R Service Manual ▷ View online
XR-C6210R/C6220R
– 17 –
– 18 –
SECTION 6
DIAGRAMS
6-1.
BLOCK DIAGRAM – TUNER Section –
1
4
2
FM-ANT
AM-ANT
6
VCO
21
IF-COUNT/SEEK
20
SD
5
11
19
20
15
5
6 4
25
13
26
VT
13
AM-XTAL-IN
CK
3
CE
DOUT
XTOUT, XTIN
DIN
PLLSI
PLLCE
53
VSM
SD-IN
20
ST-MONO
5
TUNMUTE
AM-CPOUT
18
FM-CPOUT
VT
FM-VCO
16
AM-VCO
IF IN
10
SEEK
2
OSC OUT
PLLSO
27 28
PLLCKO
50
NOISE DET
32
NOISE ON
4
19
S-METER
18
16
12
LCH-OUT
RCH-OUT
AM-DET
23
FM-DET
FILTER
X1
10.25MHz
FM/AM PLL
IC1
05
• SIGNAL PATH
: FM
: AM (MW/LW)
MUTING
Q151
BUFFER
Q51
MUTING
CONTROL SWITCH
Q52
MUTING
Q121
BAND-PASS
FILTER
IC90
R-CH
D51
R-CH
FM/AM TUNER UNIT
TU1
SYSTEM CONTROLLER
IC501 (1/3)
LO/DX
11
SEEK
22
ST
LO/DX
J1
(FM/AM ANTENNA)
8
+8V-FM
FM B+
10
+8V-AM
AM B+
D1
9
+8V-TU
1
52
MTP
75
DAVN
RDS DECODER
IC51
INTERFACE
REGISTER
IIC BUS
SLAVE
TRANSCEIVER
OSCILLATOR
& CLOCK
X51
4.332MHz
4
8
5
OSCI
OSCO
10
9
SDA
SCL
DAVN
57 kHz
BAND-PASS
FILTER
CLOCKED
COMPARATOR
RDS/RDBS
DEMODULATOR
& DECODER
SIGNAL
QUALITY
DECODER
16
18
19
MPX
CIN
4
5
SC
OUT
MULTI
PATH
DETECTOR
20
2
LVIN
MPTH
Q90
NOISE DET
DISCHARGE
SWITCH
FM RDS
S-METER
RV1
DATA
CLOCK
DATA, CLOCK
(Page 19)
C
FM-L
(Page 19)
A
AM
(Page 19)
B
1, 24
SEEKOUT
XR-C6210R/C6220R
– 19 –
– 20 –
6-2.
BLOCK DIAGRAM – TAPE/MAIN Section –
05
TAPE EQUALIZER AMP, AMS
IC301
34
32
R-CH
PBF
IN1
IN1
FWD
L-CH
HP901
(PLAYBACK)
FWD
R-CH
REV
L-CH
REV
R-CH
PBR
IN1
IN1
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
EQ AMP
29
27
MUTE
DOLBY
NR AMP
PB
OUT1
TAPE
IN1
IN1
AMS
DET
+
113
115
117
114
N-ROUT
MTLON
19
DRSW
18
TAPESW
17
16
20
INSW
TAPE MUTE
DOLBY
AMSON
103
AMSIN
MSSW
24
LINE
OUT1
14
MS
OUT
(XR-C6220R)
A
(Page 18)
B
(Page 18)
FM-L
AM
PDL
SE1L
SE3L
SE2L
SDA
SCL
MUTE
1
11
28
12
VOLUME
CONTROL
CIRCUIT
LOUDNESS
CONTROL
CIRCUIT
DIGITAL CONTROL
CIRCUIT
IIC BUS
LOUDNESS
CONTROL
CIRCUIT
INPUT
SELECTOR
R-CH
R-CH
INPUT SELECT,
ELECTRICAL VOLUME
IC401
CNJ151 (1/2)
BUS
AUDIO IN
SOFT
MUTE
TONE
CONTROL
CIRCUIT
FADER
FADER
20
26
25 24
OUT RL
22
OUT FL
L
R
C
(Page 18)
DATA, CLOCK
DATA
CLOCK
SYSTEM CONTROLLER
IC501 (2/3)
60
EVOL MUTE
71
I2C CKO
70
I2C SIO
15
BEEP
CNJ151 (2/2)
AUDIO OUT
REAR
AUDIO OUT
FRONT
AUDIO OUT
(LINE OUT)
R-CH
L
R
R-CH
L
R
68
AMP MUTE
79
TEL-ATT
58
65
MUTE
MUTING
CONTROL SWITCH
Q621
MUTING
CONTROL SWITCH
Q622
118
AMP ON
ACC
D
(Page 22)
BATT B+
BATT B+
D622
D625
D626
D624
D571
(XR-C6220R)
D621
FRONT L (+)
1
12
14
5
3
FL+
FL–
21
23
FR+
FR–
FL-IN
FR-IN
11
9
7
RL+
RL–
RL-IN
15
22
17
19
RR+
RR–
RR-IN
4
LEVEL SHIFT
Q571
CN601 (1/2)
(POWER CONNECTOR)
POWER AMP
IC611
FRONT L (–)
9
FRONT R (+)
4
FRONT R (–)
12
REAR L (+)
2
REAR L (–)
10
REAR R (+)
3
REAR R (–)
11
13
MUTING
Q171
MUTING
Q271
MUTING
Q181
ST-BY
MUTE
MUTING
Q281
R-CH
R-CH
(XR-C6220R)
(XR-C6210R)
CAPSTAN/REEL
MOTOR DRIVE
Q364
CM-ON
BATT B+
Q365
111
M
M901
(CAPSTAN/REEL)
REGULATOR
CONTROL SWITCH
Q362
LM-EJ
TAPEON
LM-LOD
VCC
REEL SENSOR B+
BATT B+
IN2
IN1
OUT2
OUT1
LOADING/TAPE OPERATION
MOTOR DRIVE
IC361
M
7
9
MOTOR
DRIVE
4
2
3
110 109
REGULATOR
Q361
112
LOADING/TAPE
OPERATION
• SIGNAL PATH
: AM (MW/LW)
: FM
: TAPE PLAY
: BUS AUDIO IN
TAPE OPERATION
SWITCH
BUFFER
TAKE-UP
REEL
SENSOR
SUPPLY
REEL
SENSOR
REEL SENSOR BOARD
REEL
104
105 – 108
POS0 – POS3
TAPE
DETECT
EJECT/FF/REW/
REV/FWD MODE DETECT
+
+
TEL-ATT
15
TEST MODE
TESTIN
(XR-C6220R)
XR-C6210R/C6220R
– 21 –
– 22 –
SYSTEM CONTROLLER
IC501 (3/3)
35
RE-IN1
KEYACK
76
KEYIN1
RE-IN0
36
37
KEYIN0
RC-IN0
RC-IN1
46
47
48
72
KEY ACTIVE
SWITCH
Q651, 652
D501
ENCODE –
ENCODE +
D653
AD-ON
LSW801, 901 – 904,
LSW906, 922, 923,
LSW925 – 933, S901
ROTARY
ENCODER
RE900
BACKUP +5V
VOLUME/BASS/TREBLE/
BALANCE/FADER CONTROL
RE900
J501
REMOTE IN
80 NOSESW
D-BASS
DOORSW
12
51
CNP901
(FRONT PANEL SIDE)
S504
(NOSE DETECT)
CN500
(MAIN BODY SIDE)
4
S981
D-BASS
4
X1
X0
X1A
X0A
93
92
73
74
X501
3.68MHz
X502
32.768kHz
Q944
LED901 – 905,
LSW901 – 904,
LSW922, 923,
LSW925 – 933
GREEN
2
SHIFT
3
DI
64
CL
63
60
CE
OSC
62
LCD SO 13
LCD CKO 14
16
LCD CE
Q942
AMBER
1
LED DRIVE
Q941
ILL B+
LED DRIVE
Q943
LED DRIVE
Q945
LED DRIVE
Q551
ILL B+
LIQUID CRYSTAL DISPLAY DRIVER
IC901
4 – 47
S04 – S47
52 – 55
COM1 – COM4
LIQUID CRYSTAL DISPLAY
LCD901
LSW906
05
BACKUP +5V
RESET SIGNAL
GENERATOR
IC652
BATTERY DETECT
Q701
6
8
4
CLK
CLK IN
DATA OUT
DATA
2
RST
RESET
SWITCH
BUS ON
SWITCH
13
11
1
BUS ON
OUT
BUS
ON IN
ON IN
12
9
DATA IN
SONY BUS INTERFACE
IC701
BATT
BATT B+
BUS ON
DATA
CLK
RESET
7
6
5
4
2
RST
3
BATT
CLK
DATA-OUT
DATA-IN
RST
BUS ON
BU-IN
CLK
DATA-OUT
DATA-IN
RST
BUS ON
BU-IN
BATTERY
SWITCH
10
BU IN
77
10
19
UNICKO
17
UNISI
18
UNISO
86
HSTX
11
90
THP701
D702
D701
RESET
SYSRST
BU-IN
BUS-ON
S503
(RESET)
(FOR SONY BUS)
CN701
BUS CONTROL IN
POWSEL
A (ON)
B (OFF)
56
ACCESSORY CHECK
Q661
ANT+B
FM8V
REGULATOR
IC671
COM8V
AM8V
MODE1
MODE2
STB
16
BATT
F801
ANT REM
6
CN601 (2/2)
(POWER CONNECTOR)
REGULATOR
CONTROL SWITCH
Q82
COM +8V
(AUDIO CIRCUIT B+)
D662
AM B+
FM/AM TUNER UNIT
(TU1) B+
FM B+
VCC
7
7
ACC
ACC
+5V
REGULATOR
Q71
+5V
(TUNER CIRCUIT B+)
+9V
REGULATOR
Q81
+9V
(TUNER CIRCUIT B+)
REGULATOR
CONTROL SWITCH
Q633
+10V
REGULATOR
Q631, 632
ILL B+
LED910, 911
(LCD BACK LIGHT)
2
3
4
9
BU+B
BACKUP +5V
D651
5
10
11
8
AMP+B
6
FM-ON
TU-ON
POWON 120
29
ILL-ON
6
7
DOOR-IND
LED801, LSW801
LED801
(TAPE WINDOW)
LSW801
6
59
BATT B+
POWER AMP
(IC611) B+
AMP REM
5
D673
D674
81
ACC IN
S501
POWER SELECT
D
(Page 20)
6-3.
BLOCK DIAGRAM – DISPLAY/KEY CONTROL/BUS CONTROL/POWER SUPPLY Section –
– 23 –
– 24 –
6-4.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
Note on Printed Wiring Board:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
• b
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side)
the parts face are indicated.
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.
•
%
: indicates tolerance.
•
¢
: internal component.
•
C
: panel designation.
•
U
: B+ Line.
•
H
: adjustment for repair.
• Power voltage is dc 14.4V and fed with regulated dc power
supply from ACC and BATT cords.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
no mark : FM
(
) : MW
[
] : LW
〈〈
〉〉
: TAPE PLAY
∗
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• 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.
• Signal path.
F
: FM
f
: AM (MW/LW)
E
: TAPE PLAY
L
: BUS AUDIO IN
• Abbreviation
AMB : Amber illumination.
GRN : Green illumination.
G
GRN : Green illumination.
G
: German model.
SE
: South European model.
• Waveforms
– MAIN Board –
– MAIN Board –
1
IC1
2
(OSC OUT) (AM mode)
2
IC51
5
(OSCI)
3
IC501
&¢
(X0A)
4
IC501
(™
(X0)
0.8 Vp-p
0.1
µ
s
3.3 Vp-p
230 ns
3.6 Vp-p
30
µ
s
4.1 Vp-p
270 ns
– KEY Board –
1
IC901
^º
OSC
2.7 Vp-p
27
µ
s
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