Sony HCD-H100 / MHC-C10 / MHC-G100 (serv.man2) Service Manual ▷ View online
— 5 —
SECTION 1
GENERAL
This section is extracted from
instruction manual.
instruction manual.
(AEP, UK, German model)
(Other model)
(E, Singapore model)
(E, Singapore model)
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SECTION 2
DISASSEMBLY
Note:
Follow the disassembly procedure in the numerical order given.
2-1. CD BLOCK
2-2. BOTTOM CABINET
1
Dust cover
3
Screw (Case 3 TP2)
4
Two screws (+BVTP 3X10)
1
Three screws
(+BVTP 3X10)
(+BVTP 3X10)
2
Screw (+BVTP 3X10)
3
Screw (Case 3 TP2)
4
Screw (Case 3 TP2)
5
Four screws
(+BVTP 3X10)
(+BVTP 3X10)
6
Screw
(+BVTP 3X8)
(+BVTP 3X8)
7
Connector (CN401)
8
Bottom cabinet
2
Screw
(Case 3 TP2)
(Case 3 TP2)
5
Flat type wire
(18 core)
(18 core)
6
Remove the CD BLOCK
to the direction of arrow.
to the direction of arrow.
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2-4. FRONT PANEL BOARD AND CASSETTE DECK ASSEMBLY
2-3. MAIN BOARD
1
Fourteen screws
(+BVTP 3X10)
(+BVTP 3X10)
2
Front panel board
3
Open the cassette lids
(Push the EJECT button)
(Push the EJECT button)
4
Six screws
(+BVTP 3X10)
(+BVTP 3X10)
5
Cassette deck Assembly
1
Tuner board
2
Connectors
(CN201, CN202, CN203, CN205)
(CN201, CN202, CN203, CN205)
3
Screw (+BVTP 3X10)
5
Screw
(+BVTP 3X8)
(+BVTP 3X8)
6
Main board
4
Screw
(+BVTP 3X8)
(+BVTP 3X8)
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FWD
FWD
back tension
back tension
1 to 5 g • cm
(0.01 - 0.07 oz • inch)
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 the
3. Do not use a magnetized screwdriver for the adjustments.
4. After the adjustments, apply suitable locking compound to the
parts adjusted.
5. The adjustments should be performed with the rated power sup-
ply voltage unless otherwise noted.
Torque Measurement
FF/REW
55 to 140 g • cm
(0.76 - 1.94 oz • inch)
40 to 70 g • cm
(0.56 - 0.97 oz • inch)
SECTION 3
MECHANICAL ADJUSTMENTS
CQ-102C
CQ-102C
CQ-201B
Used for
10 kHz, –10 dB
3 kHz, 0 dB
Azimuth Adjustment
Tape Speed Adjustment
Tape
P-4-A100
WS-48B
Record/Playback Head Azimuth Adjustment
(Deck A, Deck B)
(Deck A, Deck B)
Note: Perform this adjustments for both decks.
Procedure:
1. Mode : Playback
1. Mode : Playback
test tape
P-4-A100
(10kHz, –10dB)
P-4-A100
(10kHz, –10dB)
set
SPEAKER
terminal (JK301)
terminal (JK301)
level meter
+
–
Signal
SECTION 4
ELECTRICAL ADJUSTMENTS
DECK SECTION
0 dB=0.775V
1. Demagnetize the record/playback head with a head damagnetizer.
2. Do not use a magnetized screwdriver for the adjustments.
3. After the adjustments, apply suitable locking compound to the
2. Do not use a magnetized screwdriver for the adjustments.
3. After the adjustments, apply suitable locking compound to the
parts adjusted.
4. The adjustments should be performed with the rated power sup-
ply 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.)
should be completed before performing recording circuit
adjustment.)
6. The adjustments should be performed for both L-CH and R-CH.
Torque
Torque meter
Meter reading
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