22
[MAIN BOARD]
(Component Side)
[CASSETTE BOARD]
(Component Side)
[LEAF SW BOARD]
(Component Side)
Tape Speed Adjustment
DECK A/B
Note:
Start the Tape Speed adjustment as below after setting to the test
mode.
Procedure:
1. Press the
@/1
button to turn ON the power.
2. Press the
x
button, ENTER button and TIMER SELECT
button simultaneously.
(The “VOLUME” on the fluorescent indicator tube will blink
while in the test mode.)
To exit from the test mode, press the
@/1
button.
Mode: Playback
1. Insert the WS-48B into the deck.
2. Press the
H
button on the deck.
3. Adjust RV1002 on the LEAF SW board so that frequency
counter reads 3,000 ± 90 Hz.
Adjustment Location:
LEAF SW board
Sample Value of Wow and filter
W, RMS (JIS) within 0.3%
(test tape: WS-48B)
Playback level Adjustment
DECK A/B
Procedure:
Mode: Playback
Adjust DECK A/B: VR301 (R-CH) so the level meter reading
becomes the adjustment limits below.
Adjustment Level:
CN301 PB level: 155 to 275 mV (– 14 to – 9 dB) level difference
between the channels: within ± 0.5 dB
Adjustment Location:
CASSETTE board
+
–
set
test tape
WS-48B
(3 kHz, 0 dB)
main board
CN301B (Pin
qs
: L-CH)
(Pin
qa
: R-CH)
frequency counter
+
–
set
test tape
P-4-L300
(315 Hz, 0 dB)
Phones jack (HP801)
level meter
CN401
CN301B
IC501
CN402
1
9
2
8
1
15
2
16
12
2
11
1
VR301
PB
LEVEL
IC301
CN301
1
2
11
12
TAPE SPEED
RV1002
(NORMAL)
CN1001
Summary of Contents for HCD-M100
Page 7: ...7 This section is extracted from instruction manual ...
Page 31: ...HCD M100 M300AV 31 31 6 6 SCHEMATIC DIAGRAM CD MOTOR SECTION CD 36 36 36 36 09 ...
Page 33: ...HCD M100 M300AV 33 33 6 8 SCHEMATIC DIAGRAM AUDIO SECTION See page 56 for IC Block Diagrams ...
Page 45: ...HCD M100 M300AV 45 45 6 21 SCHEMATIC DIAGRAM FRONT AMP SECTION ...
Page 46: ...HCD M100 M300AV 46 46 6 22 SCHEMATIC DIAGRAM REAR AMP SECTION HCD M300AV ONLY ...