Hitachi HCUR700E, Service Manual

Page: 53 / 58

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