Block Diagram - Hitachi HCUR700UC Service Manual

B L O C K D I A G R A M
• A V S U R R O U N D R E C E I V E R ( H T A - R 1 5 0 )
JK401~JK40
IC401
LC78211
ANALOG FUNCTION SW
VIDEO/AUX
DVD
TV/DBS
VCR 200mV
MD/TAPE
200mV/47k
MD/TAPE REC
VCR REC
LC72720NM
TUNER BLOCK
RDS (UC,E/EBS)
IC451 & IC452
IC453
TORX1788
TC74HC15AF
DIGITAL
OPTICAL 1 SPFRX
OPTICAL 2
DIGITAL INPUT SEL .
JK751 IC751
BA7625
VIDEO IN VIDEO INPUT SEL.
VIDEO/AUX +6dB
DVD
TV/DBS +6dB
VCR IN
VIDEO OUT
VCR REC
MONITOR
OUT
JK752
IC402
BA15218F
0dB
BF
IC202
AK4527VQ
CODEC
SL +6dB
50mV
SR
+5V
IC209
BA15218F
C +6dB
IC209
A/D D/A
BA15218F
+6dB
S.W
IC207
IC103
BA15218F
+6dB
FL
IC207
BA15218F
FR +6dB
200mV
SDA SDB-SDD
SPFRX
IC203
DSP
(ZR38650)
Q751
2SA1015
+6dB
+6dB
IC801
Q752
2SA1015
MICON
MN101C35D HA
— 79 —
200mV
IC501
BU4052BCF
BA15218F
STEREO (LINE)
ERR MUTE LOUDNESS
BF
TR203
2SC3326
TR204
BA15218F
2SC3326
TR205
BA15218F
2SC3326
TR206
BA15218F
2SC3326
IC502
BA15218F
TR201
MIX.AMP FL
LOUDNESS
2SC3326
0dB
TR202
MIX.AMP FR
2SC3326
0dB
IC558
MIX.AMP F GAIN SW
BA15218F
+4.5dB
+10.5dB
S.W
PO. AMP
IC503
BA15218F
-6dB 0dB
MIX.AMP L.P.F
IC504
BA15218F
FL901
DISPLAY
KEY
S901~S914
IC304
1V
LOUDNESS STK402-030
IC555
IC551
IC555
MAIN AMP
BA15218F 12.7V
LC7536
Q613
0dB
+4dB
+22dB
Tone cct
IC554 IC554
MAIN AMP
+10dB
BA15218F BA15218F
0dB +4dB +22dB
Tone cct
Q614
+10dB
IC552
LC7536
MAIN AMP
0dB +14dB
+22dB
Q616
IC557 IC557
MAIN AMP
BA15218F
0dB +20dB +22dB
IC556
IC556 Q617
MAIN AMP
BA15218F
+22dB
0dB +20dB
IC559 Q615
IC559
BA15218F IC305
VOL.MUTE
STK402-230
2SC3326
IC553
LC7536
IC558
BA15218F
PO.AMP
0dB
BF SUBWOOFER MUTE
Q651 DTA114EK
ELE.VOL.
&
CH.TRIM
Q652 2SC3326
REMARKS
1.THIS DRAWING IS HTA-R150 CIRCUIT BLOCK(LEVEL) DIAGRAM.
2. :ANALOG SIGNAL, :DIGITAL SIGNAL,
3. :u-COM CONTROL SI GNAL
— 80 —
HCU-R700
JK601 & JK602
RY601
SPEAKER OUT
FRONT Lch
FRONT Rch
RY603
SURROUND Lch
SURROUND Rch
CENTER
RY602
SP.RELAY
JK902
HEADPHONE Rch
HEADPHONE Lch
PR E O U T
SU BW O O F ER
2.2V
JK603
:VIDEO SIGNAL