Sony XR-CA610X Service Manual ▷ View online
17
XR-CA610X
Procedure:
1. Put the set into the FWD PB mode.
2. Adjust adjustment resistor for inside capstan motor so that the
1. Put the set into the FWD PB mode.
2. Adjust adjustment resistor for inside capstan motor so that the
reading on the frequency counter becomes 3,000 Hz.
Specification: Constant speed
SECTION 5
ELECTRICAL ADJUSTMENTS
0 dB=0.775 V
Tape Speed Adjustment
Setting:
Frequency counter
2,955 to 3,075 Hz
TAPE DECK SECTION
frequency counter
test tape
WS-48A
(3 kHz, 0 dB)
WS-48A
(3 kHz, 0 dB)
set
AUDIO OUT jack (CNJ151)
–
+
10 k
Ω
TUNER SECTION
Tuner section adjustments are done automatically in this set.
Dolby Level Adjustment
Setting:
[MENU]
and
[DISC/PRESET + or --]
buttons : NR OFF
SOUND (BAS) button
: Center
SOUND (TRE) button
: Center
SOUND (BAL) button
: Center
SOUND (FAD) button
: Center
VOLUME control
: Maximum
D-BASS control
: OFF
Procedure:
1. Put the set into the FWD PB mode.
2. Adjust RV101 (L-CH) and RV201 (R-CH) so that the level
1. Put the set into the FWD PB mode.
2. Adjust RV101 (L-CH) and RV201 (R-CH) so that the level
meter reading is –6 dB (0.39 V).
Specification:
set
+
–
–
test tape
P-4-D400
(400Hz, 0 dB)
P-4-D400
(400Hz, 0 dB)
level meter
MAIN board
MAIN board
TP (GND)
TP (GND)
TP (L-CH)/
TP (R-CH)
TP (R-CH)
Level meter
–6.5 to –5.5 dB (0.37 to 0.41 V)
Tape Speed Adjustment
– SET UPPER VIEW –
RV201
Dolby Level
Adjustment (R-CH)
Dolby Level
Adjustment (R-CH)
RV101
Dolby Level
Adjustment (L-CH)
Dolby Level
Adjustment (L-CH)
Adjustment Location:
TP (R-CH)
TP (GND)
TP (L-CH)
– SET BOTTOM VIEW –
XR-CA610X
19
19
1
2
FM-ANT
AM-ANT
2
VSM
AMSIN
14
S-METER
10
MPX
8
AM-DET
FM/AM TUNER UNIT
TU1
SYSTEM CONTROLLER
IC501 (1/3)
17
SDA-EEP
J1
(FM/AM ANTENNA IN)
5
VCC
TU +8V
16
VDD
TU +5V
11
EEP VDD
74
SDA, SCL
MPX
A
AM
B
LEVEL
E
BACKUP +5V
EEP-SIO
18
SCL-EEP
EEP-CKO
SDA
SCL
7
SW SHIFT
77
SWSHIFT
SDA
12 13
SCL
D
TAPE EQUALIZER AMP,
DOLBY NR AMP
IC301
37
39
R-CH
PBF
IN2
IN2
PBFB2
FWD
L-CH
HP901
(PLAYBACK)
FWD
R-CH
REV
L-CH
REV
R-CH
PBR
IN2
IN2
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
EQ AMP
2
4
MUTE
DOLBY
NR AMP
PB
OUT2
TAPE
IN2
IN2
AMS
DET
+
19
DRSW
18
TAPESW
20
INSW
DOLBY
MSMODE
7
LINE
OUT2
14
MS
OUT
TAPE L
C
• SIGNAL PATH
: AM
: FM
: TAPE PLAY
REGULATOR
CONTROL SWITCH
Q352
CAPSTAN/REEL
MOTOR DRIVE
Q353, 354
TAPON
CMON
VCC
REEL SENSOR B+
BATT B+
BATT B+
IN1
IN2
OUT1
OUT2
LOADING
MOTOR DRIVE
IC351
92
M
M
M901
(CAPSTAN/REEL)
9
7
MOTOR
DRIVE
3
4
1
LMLOD
89
LMEJ
90
+9V REGULATOR
Q351
91
(LOADING)
TAPE OPERATION
SWITCH
BUFFER
TAKE-UP
REEL
SENSOR
SUPPLY
REEL
SENSOR
REEL SENSOR BOARD
REL
84
87, 88, 86, 85
POS0 – POS3
TAPE
DETECT
EJECT/FF/REW/
REV/FWD MODE DETECT
75
57
AMSON
52
DOLON
MTLON
54
F/ROUT
53
16
17
D1
TAPATT
55
56
40
DOLBY LEVEL (L)
RV101
(Page 20)
(Page 20)
(Page 20)
(Page 20)
(Page 20)
•
R-ch is omitted due to same as L-ch.
SECTION 6
DIAGRAMS
6-1.
BLOCK DIAGRAM – TUNER/TAPE Section –
XR-CA610X
20
20
6-2.
BLOCK DIAGRAM – MAIN Section –
A
B
MPX
AM
C
TAPE L
R-CH
CNJ151 (1/2)
BUS
AUDIO IN
L
R
PDL
AM/MPX2
SDA
SCL
EXT-ATT
4
9
TAPE-L
44
AMIF
10
MPX
12
LOUDNESS
VOLUME
IIC BUS
DIGITAL
CONTROL
INPUT SELECT,
ELECTRICAL VOLUME
IC331
SOFT
MUTE
TONE
CONTROL
17
MPIN
19 20
R-CH
INPUT
MULTIPLEXER
OUTPUT
SELECTOR
27
OUTLR
MONO
FADER
28
OUTLF
MIXER
PILOT
CANCELATION
AM/FM NOISE
BLANKER
D/A
CONVERTER
DEMODULATOR
STEREO ADJUST
STEREO BLEND
HIGH-
CUT
LPF
PILOT DET
LPF
QUAL
S & H
PLL
LEVEL
14
13
QUALITY
16
D
SDA, SCL
SDA
SCL
SYSTEM CONTROLLER
IC501 (2/3)
59
47
IIC-CKO
45
IIC-SIO
TELATT
VOLATT
ATT
40
66
E
LEVEL
CNJ151 (2/2)
AUDIO OUT
FRONT
L
R
MUTING
Q181
MUTING
Q171
11
12
RL-IN
15
16
22
4
RR-IN
AUX
MUTE
STNBY
FL-IN
14 FR-IN
POWER AMP
IC751
5
3
21
23
FL+
FL–
FR+
FR–
7
RL+
RL–
17
19
RR+
RR–
CN781 (1/2)
1
9
FL+
FL–
FR+
FR–
RL+
RL–
RR+
RR–
4
2
12
10
3
11
TEL-ATT
13
TEST
15
9
LEVEL SHIFT
Q583
AUDIO OUT
REAR
L
R
R-CH
R-CH
(FRONT)
R-CH
(REAR)
LINE DRIVER
IC191
TESTIN
AMPON
AMPATT
BEEP
• SIGNAL PATH
: AM
: FM
: TAPE PLAY
: BUS AUDIO IN
PULSE
FORMER
MUTING
CONTROL
Q621, 622
BUFFER
IC292
BUFFER
IC192
35
50
49
48
•
R-ch is omitted due to same as L-ch.
(Page 19)
(Page 19)
(Page 19)
(Page 19)
(Page 19)
XR-CA610X
21
21
SYSTEM CONTROLLER
IC501 (3/3)
82
REIN1
KEYACK
26
KEYIN0
REIN0
81
80
KEYIN1
RCIN0
RCIN1
4
5
6
67
KEY ACTIVE
SWITCH
Q551
D501
D553
AD_ON
LSW501 – 510,
LSW513 – 522
ROTARY
ENCODER
RE501
BACKUP +5V
(VOLUME CONTROL)
J561
(REMOTE IN)
93 NOSESW
DOORSW
78
CN501
(FRONT PANEL SIDE)
S552
(NOSE DETECT)
CN701
(MAIN UNIT SIDE)
1
8
OSCOUT
OSCIN
XOUT
XIN
12
13
16
15
X501
18.432MHz
X502
32.768kHz
LCD-DATA
78
LCD-CLK
77
74
LCD-CE
OSC
76
LCDSO 18
LCDCKO 20
19
LCDCE
OSC
C536, R538
LED DRIVE
Q631
LCD DRIVER
IC501
80, 1
–
64
SEG2
–
SEG66
65
–
68
COM1
–
COM4
LIQUID CRYSTAL
DISPLAY
LCD500
BACKUP +5V
RESET SIGNAL
GENERATOR
IC551
BATTERY DETECT
Q581
6
8
4
CLK
CLK IN
DATA OUT
DATA
I/O
2
RST
RESET
SWITCH
BUS ON
SWITCH
13
11
1
BUS ON
BUS IN
12
9
DATA IN
SONY BUS INTERFACE
IC581
BATT
BATT B+
BUS ON
DATA
CLK
RESET
7
6
5
4
2
RST
3
BATT
BUSCKO
BUSSO
BUSSI
RST
BUS ON
BU-IN
BUSCKO
BUSSO
BUSSI
RST
BUS ON
BU-IN
BATTERY
SWITCH
10
B/U-C
28
25
44
BUSCKO
43
BUSSI
42
BUSSO
24
33
THP501
D582
D581
RESET
REMOTE CONTROL
RECEIVER
IC502
29
SIRCS
SYSRST
BUIN
BUSON
S551
CN581
BUS CONTROL IN
ACCESSORY CHECK
Q571
ANT+B
TU+B (8V)
REGULATOR
IC611
COM8V
TU+B (5V)
TUNER8.7
STB
16
BATT
F781
ANT REM
6
CN781 (2/2)
COM +8V
(AUDIO CIRCUIT B+)
TU +5V
FM/AM TUNER UNIT
(TU1) B+
TU +8V
VCC
7
7
ACC
REGULATOR
CONTROL SWITCH
Q633
B+
SWITCH
Q601, 602
FRONT PANEL B+
LED510 – 513
(LCD BACK LIGHT)
LSW501 – 510,
LSW513 – 522
2
TUNER5.6
3
4
9
BU+B
BACKUP +5V
D552
5
10
11
8
AMP+B
6
TUNON
PW_ON
83
ILLON
34
36
DOORIND
LED801, LSW801
LED801
TAPE DECK
ILLUMINATION
LSW801
Z
79
BATT B+
POWER AMP
(IC751) B+
AMP REM
5
D610
D611
38
ACCIN
RESET
6-3.
BLOCK DIAGRAM – DISPLAY/KEY CONTROL/BUS CONTROL/POWER SUPPLY Section –
Click on the first or last page to see other XR-CA610X service manuals if exist.