Harman Kardon HK3400 - Page 7

BLOCK DIAGRAM
20
FM FRONT END CF201 CFe0e CF20
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16 PRE SCALER
IC704
MICRO
COMPUTER
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FM/AM IF AMP
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nM
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FL TUBE V
TO
RA CHANNEL
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PRESET 1-8, FM, AM,
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PHONO (Q) SEEK-STEREO, TUNING
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REMOTE
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VIDEO © 4 INPUT SE OTE VOLUME +
Sipe 4 SELECTOR CONTROL MOTOR
w © IC808, 809 RECEIVER DRIVER
epee REMOTE CONTROL
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git rhe VOLUME
VASO 1/502VAS03/504, () MOTOR
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TAPE 4 PHONO CD
aut © ol TUNER VIDEO POWER SPEAKER, SPEAKER 1
O! TAPE1 TAPE2 AMP SWITCH O SPEAKER 2
52 ©-—{Eian ae
M
LOUDNESS CHANNEL P——~/
SPL TCH HEADPHONES
TIMING CHART
Frequency display timing chart of IC701 (TC9301AN-027)
CK
Sl
CK
STB
sO
Sl
NCD MODE INPUT TIMING
ee eee | 20 2 FL en
don’t care
NCD MODE INPUT TIMING
Sages ee eS a
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|
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i
EXT. DEVICE PORT CORD NO. [«wYoYuYr\
INPUT DATA
SERIAL TIMING PULSE WIDTH
so
4.4us TYP.
2.2us TYP. 1.0us MIN.
1.0us
MAX.
) SUB
WOOFER
NCD MODE OUTPUT TIMING
| |
| |
[vXohuXe\
NCD MODE OUTPUT TIMING
CK
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4
| |
! 53.3us | |
! EXT. DEVICE PORT CORD NO. =! OUTPUT DATA