Sony Honda XR-H594WG User manual
1
SERVICE MANUAL
XR-H594WG
FM/AM CASSETTE CAR STEREO
DolbynoisereductionmanufacturedunderlicensefromDolbyLabo-
ratories Licensing Corporation.
“DOLBY” and the double-D symbol ;are trademarks of Dolby
Laboratories Licensing Corporation.
FM tuner section
Frequency range (50 kHz space) 87.5 MHz – 108.0 MHz
Usable sensitivity 12.0 dBf (1.1 µV/75 ohms)
50 dB quieting sensitivity 25.0 dBf (4.9 µV/75 ohms)
Signal to Noise ratio (IHF T-200) 60 dB
Selectivity 80 dB
Stereo separation (1 kHz) 35 dB
AM tuner section
Frequency range (9 kHz space) 531 kHz – 1602 kHz
Usable sensitivity 28 dBµ
Cassette deck selection
Tape speed 4.76 cm/sec.
Wow & Flutter (WRMS) 0.08 %
Fast winding tirne (C-60) 100 sec.
Frequency response (±3 db, normal) 30 Hz – 20 kHz
Stereo separation 50 dB
Signal to Noise ratio 65 dB
SPECIFICATIONS
Audio section
Maximum power output 20 W ×4
Total harmonic distortion 0.05 %
Tone action Bass: ±12 dB (100 Hz)
Treble: ±12 dB (10 kHz)
General
Supply voltage 13.2 V DC (negative earth)
Maximum current 8.5A (operating)
1.5 mA (standby)
Dimensions (width ×length ×depth) 180 ×52 ×160 mm
Weight 1.4 kg
Design and specifications are subject to change without
notice.
E Model
Model Name Using Similar Mechanism XR-H592WG/H593WG
Tape Transport Mechanism Type MG-25H-136
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
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2
TABLE OF CONTENTS
Notes on Chip Component Replacement
•Never reuse a disconnected chip component.
•Notice that the minus side of a tantalum capacitor may be
damaged by heat.
1. GENERAL
To Set the Clock ...................................................................... 3
Power ON/OFF........................................................................ 3
Volume Up/Down .................................................................... 4
Audio Control .......................................................................... 4
Auto Seek Tuning .................................................................... 5
Manual Tuning ........................................................................ 6
To Set the Preset Station .......................................................... 6
Playing a Cassette.................................................................... 7
Fast Forward and Rewind........................................................ 7
TMS (Tape Music Sensor)....................................................... 8
Repeat Play .............................................................................. 8
Disc Play with CD Changer (Optional)................................... 9
Track Selecting ........................................................................ 9
Disc Selecting ........................................................................ 10
2. DISASSEMBLY
2-1. Cover ................................................................................ 11
2-2. Front Panel Assy .............................................................. 11
2-3. Mechanism Deck Block ...................................................12
2-4. Main Board ......................................................................12
3. ASSEMBLY OF MECHANISM DECK
3-1. Arm (Drive) Assy .............................................................13
3-2. Gear (LDG-D) ..................................................................13
3-3. Gear (LDG-B) ..................................................................14
3-4. Gear Position Setting .......................................................14
3-5. Chassis (S) Assy ...............................................................15
3-6. Lever (Mode) ...................................................................15
3-7. Head Plate Assy ...............................................................16
3-8. Lever (Pinch) Assy ...........................................................16
3-9. Main Motor Assy ............................................................. 17
3-10. Flywheel (F) .....................................................................17
3-11. Belt (25)............................................................................18
3-12. Hanger ..............................................................................18
3-13. Housing ............................................................................19
3-14. Arm (Suction) Assy ..........................................................19
3-15. Lever (LDG-A) ................................................................20
3-16. Lever (LDG-B).................................................................20
3-17. Gear (Loading FT) ...........................................................21
4. MECHANICAL ADJUSTMENTS ...........................22
5. ELECTRICAL ADJUSTMENTS
Tape Section .........................................................................22
Tuner Section........................................................................23
6. DIAGRAMS
6-1. Block Diagram –Tape Section– .......................................27
6-2. Block Diagram –Tuner Section–......................................28
6-3. Block Diagram –Control Section– ...................................29
6-4. Printed Wiring Boards –Main Section– ...........................30
6-5. Schematic Diagram –Main Section (1/3)– .......................32
6-6. Schematic Diagram –Main Section (2/3)– .......................33
6-7. Schematic Diagram –Main Section (3/3)– .......................34
6-8. Schematic Diagram –Display Section–............................35
6-9. Printed Wiring Boards –Display Section– .......................36
6-10. IC Pin Description............................................................40
7. EXPLODED VIEWS
7-1. Chassis Section ................................................................42
7-2. Front Panel Section ..........................................................43
7-3. Mechanism Deck Section (1) ...........................................44
7-4. Mechanism Deck Section (2) ...........................................45
7-5. Mechanism Deck Section (3) ...........................................46
8. ELECTRICAL PARTS LIST ...................................47
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TEL 13942296513 QQ 376315150 892498299
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11
4screw (TP)
3screw (TP)
9CN800
1LAMP board
2CN802
claws
(holder (B))
0front panel assy
5claws
6claws
7claws
8claws
1P 2.6x6
2P 2.6x8
4claws
3claws
5claws
6cover
2-2. FRONT PANEL ASSY
Note : When removing the LAMP board from the holder (B), take
care not to bend or break the claw of the holder.
SECTION 2
DISASSEMBLY
Note : Follow the disassembly procedure in the numerical order given.
2-1. COVER
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TEL 13942296513 QQ 376315150 892498299
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12
2-3. MECHANISM DECK BLOCK
2-4. MAIN BOARD
3CNP401
1P 2.6x6
5mechanism deck block
4CNP501
2P2.6x6
1P 2.6x
6
2P 2.6x6
3P 2.6x6
4MAIN board
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TEL 13942296513 QQ 376315150 892498299
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13
1gear (LDG-D)
(Position A with B and C with
D
and install them.)
D
C
B
A
2gear (LDG-FB)
(Align part A as
shown in the figure.)
1arm (drive) assy
Part A
3-2. GEAR (LDG-D)
SECTION 3
ASSEMBLY OF MECHANISM DECK
Note : Follow the assembly procedure in the numerical order given.
3-1. ARM (DRIVE) ASSY
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TEL 13942296513 QQ 376315150 892498299
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14
1gear (LDG-E)
(Position A with B and C with
D
and install them.)
2gear (LDG-B)
3stopper washer
D
B
A
C
gear (LDG-E)
switch, rotary slid
e
gear (LDG-B)
gear (LDG-FB)
gear (LDG-D)
B
A
C
D
E
F
chassis (S) assy
3-4. GEAR POSITION SETTING
3-3. GEAR (LDG-B)
•Align A with B.
•Align B with the hole in the chassis (S) assy.
•Align C with the hole in the chassis (S) assy.
•Face D to the rotary slide switch.
•Align E with F.
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TEL 13942296513 QQ 376315150 892498299
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15
1lever (mode)
2lever (pinch selection
)
A
B
C
D
E
• Align A of rotary slide switch with
B of lever (mode).
• Check that each of C through G
is put in the groove.
F
G
2PS 2x4
1chassis (S) assy
3-5. CHASSIS (S) ASSY
3-6. LEVER (MODE)
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TEL 13942296513 QQ 376315150 892498299
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16
1lever (pinch R) assy
•Insert A into B.
•Hook C to D.
2washer (pinch)
3lever (pinch F) ass
y
•Insert E into F.
•Hook G to H.
H
4washer (pinch)
E
A
D
BC
G
F
5P 2x2
4head base retainer spring
3step screw (HP)
2step screw (HP)
1head plate assy
•Insert A into B.
•Insert C into D.
B
D
C
A
3-8. LEVER (PINCH) ASSY
3-7. HEAD PLATE ASSY
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
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17
1CN103
4P 2x2
3main motor assy
2Align the motor terminal with
the position given in the diagrams.
(M901)
1washer
3washer
6washer
4washer
5flywheel (F)
2clutch (FR) ass
y
3-9. MAIN MOTOR ASSY
3-10. FLYWHEEL (F)
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TEL 13942296513 QQ 376315150 892498299
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18
1catcher assy
2hanger
•Fit A into B
and C into D.
housing
B
C
A
D
clutch (FR) assy
1belt (25)
•Turn the clutch (FR) assy
in the arrowed direction and
correct twist at the belt (25).
3-12. HANGER
3-11. BELT (25)
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TEL 13942296513 QQ 376315150 892498299
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19
1housing
•Put A to below B.
•Insert C into D.
•Insert E into F.
•Put G and H into I and J.
•Bend K and L toward the
arrowed directions respectively.
H
L
G
E
A
I
K
J
F
C
BD
1arm (saction) assy
•Insert A into B.
•Align C with D.
A
B
C
D
3-13. HOUSING
Note : Install the housing with care to avoid
contact with the pinch roller and head.
3-14. ARM (SUCTION) ASSY
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TEL 13942296513 QQ 376315150 892498299
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20
1lever (LDG-A)
•Fit A into B, C into D
and E into F.
A
EC
FD
B
1lever (LDG-B)
•Fit A into B and C into D.
•Fit E into F.
•Put G and H into J.
2stop ring 2.0
C
A
E
I
B
GH
DF
3-16. LEVER (LDG-B)
3-15. LEVER (LDG-A)
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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