Sony DHC-FLX9W / HCD-FLX9W Service Manual ▷ View online
33
HCD-DFLX9W
SECTION 7
ELECTRICAL ADJUSTMENTS
0 dB=0.775 V
DECK SECTION
1. Demagnetize the record/playback head with a head
demagnetizer.
2. Do not use a magnetized screwdriver for the adjustments.
3. After the adjustments, apply suitable locking compound to the
3. After the adjustments, apply suitable locking compound to the
parts adjust.
4. The adjustments should be performed with the rated power
supply voltage unless otherwise noted.
5. The adjustments should be performed in the order given in
this service manual. (As a general rule, playback circuit
adjustment should be completed before performing recording
circuit adjustment.)
adjustment should be completed before performing recording
circuit adjustment.)
6. The adjustments should be performed for both L-CH and R-
CH.
7. Switches and controls should be set as follows unless otherwise
specified.
• Test Tape
RECORD/PLAYBACK HEAD AZIMUTH ADJUSTMENT
DECK A DECK B
Note:
Perform this adjustments for both decks
Procedure:
1. Mode: Playback
2. Turn the adjustment screw and check output peaks. If the peaks
do not match for L-CH and R-CH, turn the adjustment screw
so that outputs match within 1dB of peak.
so that outputs match within 1dB of peak.
set
SP RELAY board
CN804
Pin
CN804
Pin
2
(L-CH)
Pin
5
(R-CH)
SP RELAY board
CN804
Pin
CN804
Pin
3
(GND)
+
–
–
level meter
test tape
P-4-A100
(10 kHz, –10 dB)
P-4-A100
(10 kHz, –10 dB)
Tape
Signal
Used for
P-4-A100
10 kHz,
−10 dB
Azimuth Adjustment
WS-48B
3 kHz, 0 dB
Tape Speed Check
Screw
position
position
L-CH
peak
peak
within
1dB
1dB
Output
level
level
L-CH
peak
peak
R-CH
peak
peak
within
1dB
1dB
Screw
position
position
R-CH
peak
peak
Precaution
1. Clean the following parts with a denatured alcohol-moistened
swab:
record/playback heads
pinch rollers
erase head
rubber belts
capstan
idlers
2. Demagnetize the record/playback head with a head
demagnetizer.
3. Do not use a magnetized screwdriver for the adjustments.
4. After the adjustments, apply suitable locking compound to
4. After the adjustments, apply suitable locking compound to
the parts adjusted.
5. The adjustments should be performed with the rated power
supply voltage unless otherwise noted.
Torque Measurement
3.06 N
⋅ m to 6.96 N ⋅ m
31 to 71 g
⋅ cm
(0.43
− 0.98 oz ⋅ inch)
0.19 N
⋅ m to 0.58 N ⋅ m
2 to 6 g
⋅ cm
(0.02
− 0.08 oz ⋅ inch)
3.06 N
⋅ m to 6.96 N ⋅ m
31 to 71 g
⋅ cm
(0.43
− 0.98 oz ⋅ inch)
0.19 N
⋅ m to 0.58 N ⋅ m
2 to 6 g
⋅ cm
(0.02
− 0.08 oz ⋅ inch)
6.96 N
⋅ m to 14.02 N ⋅ m
71 to 143 g
⋅ cm
(0.98
− 1.99 oz ⋅ inch)
9.80 N
9.80 N
⋅ m
100 g or more
(3.53 oz or more)
9.80 N
⋅ m
100 g or more
(3.53 oz or more)
Mode
Torque meter
CQ-102C
CQ-102C
CQ-102RC
CQ-102RC
CQ-201B
CQ-403A
CQ-403R
Meter reading
FWD
FWD
back tension
back tension
REV
REV
back tension
back tension
FF/REW
FWD tension
REV tension
SECTION 6
MECHANICAL ADJUSTMENTS
34
HCD-DFLX9W
SP
REALY
baord
CN804
set
REALY
baord
CN804
set
test tape
P-4-A100
(10 kHz, –10 dB)
P-4-A100
(10 kHz, –10 dB)
pin
5
oscilloscope
L-CH
R-CH
V
H
waveform of oscilloscope
in phase 45
°
90
°
135
°
180
°
good
wrong
pin
3
pin
2
L
R
+
–
–
set
test tape
WS-48B
(3 kHz, 0 dB)
WS-48B
(3 kHz, 0 dB)
SP RELAY board
CN804 Pin
CN804 Pin
3
(GND)
SP RELAY board
CN804
Pin
CN804
Pin
2
(L-CH)
Pin
5
(R-CH)
frequency counter
attenuator
set
DSP board
VIDEO/SAT jack (J701)
VIDEO/SAT jack (J701)
1) 315 Hz
2) 10 kHz
2) 10 kHz
50 mV (
−
23.8 dB)
600
Ω
blank tape
CN-123
CN-123
AF OSC
+
–
–
set
recorded
portion
portion
SP RELAY board
CN804 Pin
CN804 Pin
3
(GND)
SP RELAY board
CN804
Pin
CN804
Pin
2
(L-CH)
Pin
5
(R-CH)
level meter
3. Mode: Playback
4. After the adjustments, apply suitable locking compound to
the pats adjusted.
Adjustment Location: Playback Head (Deck A).
Record/Playback/Erase Head (Deck B).
TAPE SPEED CHECK
DECK B
Note:
Start the Tape Speed adjustment as below after setting to the test
mode.
In the test mode, the tape speed is high during pressing the
[CD SYNC HI-DUB] button.
mode.
In the test mode, the tape speed is high during pressing the
[CD SYNC HI-DUB] button.
Procedure:
1. Press
I/
1
button to turn the set ON.
2. Press three buttons
x
, [DISPLAY] and [CD SYNC HI-DUB]
simultaneously.
To release from the test mode, press the
I/
1
button.
Mode:
Playback
forward
reverse
1. Insert the WS-48B into the deck B.
2. Press the
2. Press the
hH
button on the deck B.
3. Press the [CD SYNC HI-DUB] button in playback mode.
Then at HIGH speed mode.
4. Check so that frequency counter reads 6,000
± 180 Hz.
5. Press the [CD SYNC HI-DUB] button.
Then back to NORMAL speed mode.
6. Check so that frequency counter reads 3,000
± 90 Hz.
Check Location: SP RELAY board
Sample Value of Wow and Flutter: 0.3% or less W. RMS (JIS)
(WS-48B)
REC BIAS ADJUSTMENT DECK B
Procedure:
In the MC test mode, the “REC memory mode” is convenient for
this adjustment. In the “REC memory mode” , when the REC starts
the input signal FUNCTION is switched to VIDEO automatically.
When the REC stops, the tape returns near to the recording start
position.
In the MC test mode, the “REC memory mode” is convenient for
this adjustment. In the “REC memory mode” , when the REC starts
the input signal FUNCTION is switched to VIDEO automatically.
When the REC stops, the tape returns near to the recording start
position.
1. Press [VIDEO/SAT] button to select VIDEO. (This step is not
necessary if the above test mode has already been set)
2. Insert a tape into deck B.
3. After press [REC PAUSE/START] button, press [REC PAUSE/
3. After press [REC PAUSE/START] button, press [REC PAUSE/
START] button, then rec ording start.
4. Mode: Record
5. Mode: Playback
6. Confirm the playback signal recorded in step 3 becomes
adjustable level as follows.
If these levels are not adjustable level, adjust the RV2 (L-CH)
and RV52 (R-CH) on the SP RELAY board to repeat steps 4
and 5.
and 5.
Adjustable level: Playback output of 315 Hz to playback output
of 10 kHz:
±1.0 dB
Adjustment Location: SP RELAY board
HCD-FLX9W
35
35
HCD-FLX9W
set
DSP board
VIDEO/SAT jack (J701)
315 Hz, 50 mV (
VIDEO/SAT jack (J701)
315 Hz, 50 mV (
−
23.8 dB)
blank tape
CS-123
CS-123
600
Ω
attenuator
AF OSC
+
–
–
set
recorded
portion
portion
SP RELAY board
CN804 Pin
CN804 Pin
3
(GND)
SP RELAY board
CN804
Pin
CN804
Pin
5
(R-CH)
level meter
CN804
13
1
−
SP RELAY BOARD (Conductor Side)
−
REC BIAS
ADJUSTMENT
REC LEVEL
ADJUSTMENT
(L-CH)
(R-CH)
RV52 RV2
RV53
REC LEVEL ADJUSTMENT DECK B
Procedure:
In the MC test mode, the “REC memory mode” is convenient for
this adjustment. In the “REC memory mode” , when the REC starts
the input signal FUNCTION is switched to VIDEO automatically.
When the REC stops, the tape returns near to the recording start
position.
In the MC test mode, the “REC memory mode” is convenient for
this adjustment. In the “REC memory mode” , when the REC starts
the input signal FUNCTION is switched to VIDEO automatically.
When the REC stops, the tape returns near to the recording start
position.
1. Press [VIDEO/SAT] button to select VIDEO. (This step is not
necessary if the above test mode has already been set)
2. Insert a tape into deck B.
3. After press [REC PAUSE/START] button, press [REC PAUSE/
3. After press [REC PAUSE/START] button, press [REC PAUSE/
START] button, then recording start.
4. Mode: Record
5. Mode: Playback
6. Confirm the play back signal recorded in step 3 becomes
adjustable level as follows.
If these levels are not adjustable level, adjust the RV53 (R-
CH) on the SP RELAY board to repeat steps 4 and 5.
Adjustable level:
CN804 PB level: 47.2 to 53.0 mV (
CN804 PB level: 47.2 to 53.0 mV (
−24.3 to −23.3 dB)
Adjustment Location: SP RELAY board
DVD SECTION
About the dicision to pass or fail of the optical pick-up block, refer
to “DICISION TO PASS OR FAIL OF THE OPTICAL PICK-UP
BLOCK” (see page 8)
to “DICISION TO PASS OR FAIL OF THE OPTICAL PICK-UP
BLOCK” (see page 8)
AUTO SERVO ADJUSTMENT
After parts related to the servo circuit (RF amplifier (IC001), DSP
(IC509), motor driver (IC501), EEPROM (IC903) so on) are
replaced, re-adjusting the servo circuit is necessary. Select “ALL”
at “1. DRIVE AUTO ADJUSTMENT” (Refer to page 27 in TEST
MODE) and adjust DVD-SL (single layer), CD and DVD-DL (dual
layer).
(IC509), motor driver (IC501), EEPROM (IC903) so on) are
replaced, re-adjusting the servo circuit is necessary. Select “ALL”
at “1. DRIVE AUTO ADJUSTMENT” (Refer to page 27 in TEST
MODE) and adjust DVD-SL (single layer), CD and DVD-DL (dual
layer).
DIAT SIGNAL RF LEVEL ADJUSTMENT
This adjustment is performed in order to adjust the transmission
distance of RF signal for DIAT communication.
Connection:
distance of RF signal for DIAT communication.
Connection:
Procedure:
1. Connect the oscilloscope to JL7003 (RF AMP OUT) and GND
on the TX board.
2. Connect DIR-T1 to DIR-T1 jack (J7001).
Note:
Be sure to connect DIR-T1 before the adjust.
3. Adjust RV7001 on the TX board so that the center of waveform
becomes 1.0 Vp-p.
4. Confirm trigger is locked.
5. Adjust RV7001 on the TX board so that the center of waveform
5. Adjust RV7001 on the TX board so that the center of waveform
becomes 2.2 to 2.4 Vp-p.
RF Signal Reference Waveform
VOLT/DIV : 500mV
TIME/DIV : 500ns
TIME/DIV : 500ns
level : 2.2 to 2.4 Vp-p
JL7003
(RF AMP OUT)
TX board
oscilloscope
– TX Board (Component Side) –
JL7003
(RF AMP OUT)
Adjustment Location:
HCD-FLX9W
36
36
HCD-FLX9W
SECTION 8
DIAGRAMS
DETECTOR
1
63
3
4
5
6
9
10
11
12
14
15
16
13
18
17
62
61
53
52
54
55
59
60
DVDRFP
RFSIN
A2
B2
C2
D2
CD E
CD F
A
B
C
D
C
D
B
A
D
D
C
B
A
D
D
C
CD A
CD B
CD C
CD C
CD D
CDLD
CDPD
DVDLD
V125
DVDPD
ATOP
ATON
FNP
FNN
AIP
AIN
DIP
DIN
57
27
40
39
47
46
48
CD/DVD/SACD RF AMP,
FOCUS/TRACKING ERROR AMP
IC001
AMP
IC003
OPTICAL
TRAVERSE
UNIT
(DBU-1)
2AXIS
DEVICE
FOCUS/
FOCUS/
TRACKING
COIL
22
24
21
23
36
48
37
1
AUTOMATIC POWER
CONTROL (FOR DVD)
Q001
AUTOMATIC POWER
CONTROL (FOR CD)
Q002
LASER DIODE
SELECT
Q901
LASER
DIODE
(FOR CD)
LASER
DIODE
(FOR DVD)
FOCUS COIL
DRIVE
34
3
35
4
TRACKING COIL
DRIVE
32
31
33
34
20
22
19
8
40
41
39
43
31
32
29
30
SLED MOTOR
DRIVE
FOCUS/TRACKING COIL DRIVER,
SPINDLE, SLED MOTOR DRIVER
IC501
27
28
SPINDLE MOTOR
DRIVE
M
M
M1
(SPINDLE)
19
47
46
45
FFDR
FRDR
TFDR
TRDR
SFDR
SRDR
SLED A
SLED B
SLED
AMP
IC503
26
SE
TE
FE
RFDC
DIGITAL SIGNAL PROCESSOR,
DIGITAL SERVO PROCESSOR
IC509
MIRR
FF
FR
FOK
COUT
SCLK
RF
A
B
C
D
F
E
CD LD
PD
DVD LD
FCS+
FCS–
TRK+
TRK–
SW
INLIM
D
C
B
A
RFAC
MIRR
DATA_RF
CLK_RF
SDEN
TE
FE
PI
TE
FE
PI
PI
FE
TE
SDATA
SCLK
SDEN
LDON
FCS JMP 2
FCS JMP 1
• SIGNAL PATH
: CD PLAY
: DVD PLAY
: SACD PLAY
50 RFAC
30
29
SLED MOTOR
DRIVE
M
M
M2
(SLED)
40
42
36
42
MNTR
BUFFER
MUTE12
20
MUTE34
21
MUTE5
22
TSD-M
13
7
10
43
FG
62
MUTE 2D
60
SP ON
63
TSD
73
BUFFER
MECHANISM
CONTROLLER
IC901 (1/2)
61
7
LD ON
28
INLIM
LDSEL
76
31
SDEN
2
FE
67
PI
66
COUT CD
30
SDA
5
SCL
6
WP
7
15
SCOR
66
PCMD
CDDOUT
64
DOUT
67
BCLK
65
LRCK
14
C2PO
17
WDCK
10
WFCK
80
EXCK
79
SBSO
BCLK
LRCK
C2PO
GSCOR
WFCK
EXCK
27M
768FS
SBSO
2
XRST
25
MDP
SCOR
SCOR
26
24
LOCK
LOCK CD
75
13
GFS
GFS CD
71
3
MUTE
MUTE CD
59
7
SENS
SENS CD
9
76
SQSO
SQSO
52
SCLK CD
72
4
DATA
DATA CD
49
63
MD2
71
XTAI
DOCTR/
ISBTEST
ISBTEST
3
77
SQCK
85
XRD
XRD
17
58
GFS DVD
GFS
107
45
109
JIT OFFSET
AEP0
64
JIT
77
SACD/DVD
84
XWR
XWR
18
12
XCS DVD
XCS
19
25
XRST DVD
XRST
164
22
INT0 DVD
XINT0
20
23
INT1 DVD
XINT1
21
SQCK
54
6
CLOK
CLOK CD
50
5
XLAT
LAT CD
27
FOK CD
74
MIRR
29
TE
65
SDCLK RF
82
SDATA RF
83
44
38
42
VC
CE
26 SSTP
AVC
(1.65V)
MIRR
MIRR
32
MEVO
MIN
DATA_RF
CLK_RF
SDEN
TE
FE
PI
26
HDB8
49
XSHD
93
MNT2
48
XDCK
46
XSAK
53
XSRQ
92
MNT1
17 WE
76
WE
33 OE
94
XMOE
18 RAS
78
XRAS
34 UCAS
95
XCAS
117 RFIN
135 SPO
137 MDIN2
167 XTAL
169 XTA2
170 XTA1
DVD DECODER
IC701
16Mbit
D-RAM
IC706
160 MDAT
158 BCK
163 LRCK
155 C2PO
146 GSCOR
163 LRCK
155 C2PO
146 GSCOR
HDB0 – HDB7
MDB0 – MDB9,
MDBA – MDBF
I/O0 – I/O15
A0 – A9
151 WFCK
147 EXCK
148 SBIN
BCLK
LRCK
C2PO
GSCOR
WFCK
EXCK
SCOR
SBSO
150 SCOR
BUFFER
IC703 (2/2)
COMPARATOR
IC703 (1/2)
CLOCK
GENERATOR
IC906
66-69, 71, 73-75, 96, 97,
99, 101, 102, 104-106
2-5, 7-10,
41-44, 46-49
44, 41, 39, 35,
32, 30, 27, 24
21-24,
27-32
MA0 – MA9
79, 80, 82-87,
89, 91
35 LCAS
TF
8
TR
FF
FR
FF
FR
TF
TR
7
8
XTI
XTO
98
XDRST
D0 – D7
D0 – D7
9 10
SO1
SO2
13 3
SO3
MO1
X902
27MHz
14-21
172-176, 1, 2, 4
A0 – A7
A0 – A7
89-96
5, 7, 9-14
2
WARFI
1
AV DATA BUS
SD0 – SD7
(for VIDEO SYSTEM)
SD0 – SD7
(for AUDIO SYSTEM)
3
XSRQ
11
XSRQ-ZIVA
12
13
WCK
7
XRST_DSD
10
768FS
9
27M
8
XDCK, XSAC, SDEF, XSHD
(for AUDIO SYSTEM)
XDCK, XSAC, SDEF
(for VIDEO SYSTEM)
XDCK
XSAC
SDEF
XSHD
5
4
6
5
EEP SI
99
EEP CLK 100
EEP CS
47
SDIN DSD
46
SDOUT DSD
24
SCK DSD
51
XMSLAT
48
READY DSD
53
MUTE DSD
MSDATO
MSDATO, MSDATI, MSCK,
XMSLAT, SHRRDY, SHRMUT
MSDATI
MSCK
XMSLAT
SHRRDY
SHRMUT
6
EEP RDY
SACD/DVD
SELECT
IC814
EEPROM
IC903
: VIDEO
: AUDIO
+
−
−
31
8-1. BLOCK DIAGRAM – RF SERVO Section –
(Page 41)
(Page 38)
(Page 39)
(Page 38)
(Page 38)
(Page 41)
(Page 38)
(Page 38)
(Page 41)
(Page 38)
(Page 41)
(Page 38)
(Page 38)
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