JVC KD-D30 - Block Diagram

KD-D30 A/B/C/E/J/U
Block Diagram
Recording System
Dolby B/C NR Circuit
LINE IN
oO; “——— Rec level control
nf {on the front panel)
| SVRI08 pon
105
Microphone
Microphone Amp
Recording Head
Headphone Amp
1C901
ijack
LED module
Level
Bias OSC
circuit vR103/
: STi
VR104 Bias adj
Playback System
Head Amp i
PB he eer 102
28C1327 Playback
{T.U) level adj.
Pee |
rt S4
wtp Q adj. ie]
Power Supply and Mecha. Control Circuit
Q31
indicator
Hee Amp iMuting
Q108 Tape b i
7 r fin 28C1327 select ang,
ERY LE Le el
LINE OUT
Dolby B/C NR circuit
—— . 5)
1102 NEGS4N_ ping 7
i
al s) | 7
| [1c901_ Amp J jack
eee module
Level
Indicator
Tape run
= a QUT
“v1 Headphone
Headphone Headphone
2SA564
$11 Rew swLE® |
~~
pt
1C31
é. > 1R2408
| S10 FF SW
Main Amp p.w.B. Tape run
902%
903
indicator
916
Tape 20Vv 16V
illumination
t
Music
scan
4 D7 1c1
10E1-B LA2000
Motor Switch 6 1
Lamp 7 eat
Te
Motor
“hia
Amp
P.W.B.
Muting SW
Voltage
Switch
No. 4209
Hall IC lot
Solenoid © Pause SW
Fig. 9 Magnet
1