Sony FH-SR1D / HCD-SR1D Service Manual ▷ View online
HCD-SR1D
13
2-14. BELT
1 Push the lever in the
direction of the arrow.
3 claw
3 claw
5 two hooks
6 shaft
7 chuck cam
8 belt
2
bottom side
4 tray
2-13. OPTICAL PICK-UP BLOCK (KHM-313CAA)
6 optical pick-up block
(KHM-313CAA)
1 two screws
(PTP2
u 5)
1 two screws
(PTP2
u 5)
3 insulator
3 insulator
3 insulator
3 insulator
4 flexible cable (24 core) (FFC5)
5 connector
2 DVD mechanism deck
(CDM85
(MB))
– DVD mechanism deck bottom view –
HCD-SR1D
14
SECTION 3
ELECTRICAL ADJUSTMENTS
DECK SECTION 0 dB = 0.775 V
1. Demagnetize the record/playback head with a head
demagnetizer.
2. Do not use a magnetized screwdriver for the adjustments.
demagnetizer.
2. Do not use a magnetized screwdriver for the adjustments.
TEST TAPE
Tape
Part No.
Signal
Used for
P-4-A063J 8-191-267-10 6.3 kHz, –10 dB Azimuth Adjustment
RECORD/PLAYBACK HEAD AZIMUTH ADJUSTMENT
Procedure:
1. Mode:
Procedure:
1. Mode:
Playback
set
AMP board
SPEAKERS out terminal
(J402)
SPEAKERS out terminal
(J402)
+
–
level meter
test tape
P-4-A063J
(6.3 kHz, –10 dB)
P-4-A063J
(6.3 kHz, –10 dB)
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 1 dB of peak.
so that outputs match within 1 dB of peak.
Screw
position
L-CH
peak
within
1 dB
Output
level
L-CH
peak
R-CH
peak
within
1 dB
Screw
position
R-CH
peak
3. Mode:
Playback
set
test tape
P-4-A063J
(6.3 kHz, –10 dB)
oscilloscope
V
H
waveform of oscilloscope
in phase 45
q
90
q 135q 180q
good
wrong
AMP board
SPEAKERS out terminal
(J402)
SPEAKERS out terminal
(J402)
4. After the adjustments, apply suitable locking compound to the
pats adjusted.
Adjustment Location: Record/Playback/Erase Head
HCD-SR1D
HCD-SR1D
15
15
4-1. BLOCK DIAGRAM - MAIN Section -
Mech
Cassette Deck
SDRAM
1M x 16bit x 4
Serial FLASH
16Mbit
LCD driver
HT1621
USB
TUNER
FM/MW/SW1/SW2
Si4734 for E4
Si4730 for SA2/SP1/RU1
CVBS
OP
MCU
STM8S105K6
32K/32Pin
MPEG
CXD9970R (LE)
LQFP128
DVD
SONY Pick up
CDM-85 DVD LOADER
MOTOR Driver
AM5888
CVBS
USB
Audio Processor
STA2314
CLASS-AB
AMPLIFIER
STA540SA
DVD-L/R
L/R
IR
IIC
IR
SPI
UART
15W X 2
at 6 OHM
THD=30%
at 6 OHM
THD=30%
Pre-AMP
4558x2
IIC
DC IN
+12V
+12V
8.8.8.8.8.8.8.8
LCD Display
Power
Transformer
DVD+5V
OP
AC IN
~220V/240V
~220V/240V
Regulator X 2
1117-33
7809
+9V
Audio IN
L/R
L/R
VOL
EQ
OP
PLAY/REC SW
Speaker
Output
Output
VOL Knob
SPI
REC L/R in
Play L/R out
+3.3V
DC to DC
TPS54231
KEY input
SECTION 4
DIAGRAMS
HCD-SR1D
HCD-SR1D
16
16
4-2. BLOCK DIAGRAM - POWER SUPPLY Section -
8550SS
TPS 2041B
CURRENT-LIMITED
USB
4.75-5.25V
500mA
500mA
7809
Regulator
MTK1389L
FLASH
SDRAM
35mA
100mA-180mA
D33
V33
USB33
USB33
RF33
D18
D18
V18
USB18
USB18
RF18
Motor Driver
V5888
MVCC+5V
1.8V
3.3V
MCU
STM8
SIRCS
8550SS
DC TO DC
TPS54231
+5V
7805
Regulator
1117-33
Regulator
LCD Driver
Tuner
VOL Control
STA2314
POWER AMP
STA540
DECK
MOTOR
Main Power
Transformer
Transformer
AC Power
voltage-selected
switch
voltage-selected
switch
AC IN
220~240V
220~240V
Load
DC +12V
3A f5%
DC +12V
3A f5%
DC IN
12V
12V
+12V
+12V
+9V
+3.3V
(AC IN)
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