Sony DHC-FLX5D / DHC-FLX7D / HCD-FLX5D / HCD-FLX7D Service Manual ▷ View online
HCD-FLX5D/FLX7D
33
33
SECTION 6
ELECTRICAL ADJUSTMENTS
0 dB=0.775 V
DECK SECTION
1. The adjustments should be performed with the rated power
supply voltage unless otherwise noted.
2. The adjustments should be performed in the order given in
this service manual. (As a general rule, playback circuit ad-
justment should be completed before performing recording
circuit adjustment.)
justment should be completed before performing recording
circuit adjustment.)
3. The adjustments should be performed for both L-CH and R-
CH.
4. Switches and controls should be set as follows unless other-
wise specified.
•
Test Tape
Tape
Signal
Used for
WS-48B
3 kHz, 0 dB
Tape Speed Check
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
mode.
In the test mode, the tape speed is high during pressing the
[CD SYNC HI-DUB]
button.
Procedure:
1. Press
1. Press
?/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
To release from the test mode, press the
?/1
button.
Mode: Playback
1. Insert the WS-48B into the deck B.
2. Press the hH button on the deck B.
3. 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)
+
–
–
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
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. A f t e r p r e s s
3. A f t e r p r e s s
[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 ad-
justable 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.
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.
Adjustable level: Playback output of 315 Hz to playback output
of 10 kHz:
±
1.0 dB
Adjustment Location: SP RELAY board
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
3. After press
[REC PAUSE/START]
button, press
[REC
PAUSE/START]
button, then recording start.
attenuator
set
DSP board
MD (AUDIO) (J701)
MD (AUDIO) (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
4. Mode: Record
5. Mode: Playback
6. Confirm the play back signal recorded in step 3 becomes ad-
justable 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.
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
set
DSP board
MD (VIDEO) (J701)
315 Hz, 50 mV (
MD (VIDEO) (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
DVD SECTION
About the dicision to pass or fail of the optical pick-up block, re-
fer to “DICISION TO PASS OR FAIL OF THE OPTICAL PICK-
UP BLOCK” (see page 8)
fer 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 re-
placed, 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 re-
placed, 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).
HCD-FLX5D/FLX7D
34
34
SECTION 7
DIAGRAMS
7-1.
BLOCK DIAGRAM – RF SERVO Section –
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
XSRQ
30
6
EEP RDY
SACD/DVD
SELECT
IC814
EEPROM
IC903
: VIDEO
: AUDIO
+
−
31
(FLX7D)
(FLX7D)
(FLX7D)
(FLX7D)
(FLX7D)
(FLX5D)
(FLX7D)
(FLX7D)
(FLX7D)
(Page 36)
(Page 37)
(Page 36)
(Page 39)
(Page 36)
(Page 39)
(Page 36)
(Page 36)
(Page 39)
(Page 36)
(Page 36)
(Page 39)
(Page 39)
(Page 36)
HCD-FLX5D/FLX7D
35
35
7-2.
BLOCK DIAGRAM – TUNER/TAPE DECK Section –
ST-DIN
ST-CLK
ST-CE
ST-MUTE
TUNED
STEREO
L-CH
R-CH
ST-DOUT
FM/AM TUNER PACK
R-CH
58
ST DIN
57
ST DOUT
59
ST-CLK
56
ST CE
53
ST MUTE
DI
DO
CLK
CE
MUTING
55
TUNED
54
STEREO
TUNED
STEREO
R-CH
L-CH
R-CH
L-CH
ERASE
R-CH
HP901
(PB)
(DECK A)
HRPE901
(REC/PB/ERASE)
(DECK B)
1
3
2
4
R-CH
R-CH
REC/PB SWITCHING
IC2
R-CH
BIAS OSC
T301
BIAS
TRAP
REC BIAS
SWITCH
Q2, 3, 9
TC +10V
BIAS OSC
Q4, 5
TRIGGER
PLUNGER DRIVE
(DECK B)
Q251, 252
23
A-TRIG
TRIGGER
PLUNGER DRIVE
(DECK A)
Q253, 254
25
B-TRIG
21
CAPM-H/L
22
CAPM-CONT1
34
32
BIN1
AIN1
15 13 12
14
28
27
EQOUT1
26
PB-OUT1
TAI1
MUTE
DECK A/B SELECT SWITCH,
PB EQ AMP
IC1 (1/2)
R-CH
23
REC-
OUT1
OUT1
REC-IN1
ALC1
REC EQ AMP, ALC
IC1 (2/2)
21
R-CH
58
ALC
15
TAPE
L-CH
14
TUNER
L-CH
16
REC
L-CH
81 BIAS
CAPSTAN
MOTOR DRIVE
Q256.257
50
B PLAY
49
A PLAY
11
ALC ON/OFF
27
A-HALF
93
B-HALF
SYSTEM CONTROLLER
IC101 (1/4)
• SIGNAL PATH
• R-ch is omitted due to same as L-ch.
: TUNER
: TAPE PLAY (DECK A)
: REC
: TAPE PLAY (DECK B)
DO
CE
MUTING
TUNED
STEREO
DI
CLK
REC BIAS (L)
(DECK B)
RV2
REC BIAS (R)
(DECK B)
RV52
Q255
A/B
NORMAL/HIGH SPEED
MUTE ON/OFF
REC MUTE ON/OFF
A/B
NOR/HIGH
REC MUTE
85
97
61 67 66
A/B
NOR/HIGH
REC-MUTE
PB-A/B
EQ-H/N
TC-MUTE
AMS-IN
REC MUTE
EQ
ALC
REC LEVEL
(DECK B)
RV53
82
TC-RELAY
+
MUTING
Q40
MUTING CONTROL
SWITCH
Q41
BUFFER
Q6 - 8
LOW-PASS
FILTER
IC3
24
8
REC-IN2
ALC2
7
REC/PB
SWITCHING
Q20, 21
R-CH
AM
ANTENNA
FM ANT
AM ANT
ANT GND
ANT GND
FM 75
Ω
COAXIAL
TAPE MECHANISM
DECK BLOCK
CAPM+
BHALF
AHALF
BPLAY
APLAY
92
B-SHUT
91
A-SHUT
BSHUT
ASHUT
CAPMH/L
ATRGM+
BTRGM+
(Page 37)
(Page 37)
(Page 37)
HCD-FLX5D/FLX7D
36
36
7-3.
BLOCK DIAGRAM – AUDIO DSP Section (1/2) (FLX7D only) –
WARFI
WCK
168 SDEF
165 XSHD
166 SDCK
167 XSAK
6 MSDATO
4 MSDATI
3 MSCK
2 XMSLAT
7 MSREADY
10 SMUTE
MSDATO
MSDATI
MSCK
XMSLAT
SHRRDY
SHRMUT
29 TDO
27 TDI
26 TCK
30 TMS
31 TRST
SDEF
SDEF, XSHD,
XDCK, XSAK
XDCK, XSAK
XSHD
XDCK
XSAK
64
DSAL
63 DSIFL
9 XRST
XRST_DSD
123 WCK
126 WARFI
DSD DECODER
IC801
16Mbit
SD-RAM
IC808
DIGITAL AUDIO
PROCESSOR
IC401
LEVEL SHIFT
IC812
RF BUFFER
IC810
LEVEL SHIFT
IC813
SD0 – SD7
169 – 176
143
XWE
15 WE
145
XRAS
17 RAS
144
XCAS
16 CAS
142
DCKE
34 CKE
35 CLK
35 CLK
DQ0 – DQ7
DQ0 – DQ7
A0 – A11
2, 3, 5, 6, 8,
9, 11, 12
139-136,
134-131
162-159, 157-154,
152, 151, 149, 148
A0 – A11
141
DCLK
66
DSAR
64 DSIFR
69
DSAC
65 DSICT
71
DSALFE
66 DSISW
74
DSALS
67 DSISL
76
DSARS
68 DSISR
62
PHREFO
62 DSBCKF
13
EXCKO1
52 MCK
47
F2FLREX1
46
F2CSWEX2
45
F2SLR
49
CKOUT
43
F2BCK
44
F2LRCK
79
INIT
78
SYNC
FLR
CSW
SLR
MCK
BCK
LRCK
INIT
SYNC
AV DATA BUS
SD0 – SD7
3
5
10
164 XSRQ
XSRQ
11
11 MCKI
768FS
8
13
TDISA,TCK,
TMS, TRST
TMS, TRST
17
7
1
TDISA
TCK
TMS
TRST
19-24, 27-32
18
19
INIT, SYNC
• SIGNAL PATH
: AUDIO
: SACD PLAY
MSDATO, MSDATI, MSCK,
XMSLAT, SHRRDY, SHRMUT
XMSLAT, SHRRDY, SHRMUT
BUFFER
IC402
FLR, CSW, SLR,
MCK, BCK, LRCK
(Page 34)
(Page 37)
(Page 37)
(Page 34)
(Page 34)
(Page 34)
(Page 34)
(Page 34)
(Page 34)
(Page 34)
(Page 39)
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