Sharp GX-CH170X - Page 19

GX-CH170X/CH170Z
Figure 19 BLOCK DIAGRAM (3/3)
– 19 –
1
5
20
1
7
48
6
9
5
32
4
12
8
19
18
9
10
21
7
14
15
13
1116
17
32
22
23
15
12
13
9
19
1
24
7
18
19
11
8
5
12
10
6
2
19
2
18
3
20
7
24
2
5
4 3 1
6
11 12 13
12
3
4
5
6
7
89
10 11 12
21
4
23
2
13
6
1
3
CF2
10.7MHz
CF3
AM IF
T1
FM IF
P. B REC
REC/PB
REC/PB
HEAD
L-CH R-CH
T3
P. B
FM DET
T2
L2
FM OSC
FM +B
L1
FM RF
ERASE
HEAD
REC
RF
REG.
MPX
OSC
AGC
DET.
AM-IF
LEVEL-DET.
FM-IF
DET.
AMP. POST
MUTE
DRIV. TU
DECODER
DET. PHASE
VCO
FF FF
PILOT DET.
ST. DRIV.
FF
ST. SWIT.
TRIG.
VCC
ROD ANTENNA
L R
R L R L
SW201
P. B
L-CH R-CH
REC
T1/T2
T1/T2
TUNER
+B
R L
+B1
P. B
455kHz AM
+B2
AC INPUT
T651
POWER
TRANSFORMER
VR1 VCO
MONO
T2 PB HEAD
T1
L(T2) R(T2) L(T1) R(T1)
WOOFER
WOOFER
Q623
CNP601
SP602
D651 ~ D654
RECTIFIER
MUTING
VR391
M601 TAPE MOTOR
REC
R-CH AUDIO L-CH
CD+7.3V POWER GND
GND
CD
BATTERY
DC 12V
AC ON
SW201-B
REC/PB
SW201-A
REC/PB
+
+
–
–
J601 HEADPHONES
TWEETER SP603
L-CH
SP601
SP604 TWEETER
R-CH
SPEAKERS
Q651
Q657
Q653
µ-COM+5V
Q654
Q652
POWER ON
SWITCHING
SWITCHING
POWER-ON
+12V
Q658 Q659
POWER
VOLTAGE
REGULATOR
+B1
REGULATOR
VOLTAGE
7.4V
FUNCTION
POWER/
REGULATOR VOLTAGE
SWITCHING
CD/SYNC-IN
SYNC-IN
Q656 Q655
Q662
STAND-BY
LA4597
IC601
MUTING
Q521 Q522
MUTE
DRIVER
TUNER +B
AUDIO +B
SW651-B
CANCEL
SW251-B
SW651-B
FUNCTION
FM +B
TO µ-COM SECTION
P-GND
CH7.4V
GND
MUTE
POW-ON
AC-ON
CD / SYC-IN
TWEET CANCEL
13
SYC-OUT
VOL(CK)
VOL(STB)
VOL(DATA)
Q202 Q201
FUNCTION SW651-C, D
RADIO
Q660
DUBBING
SWITCHING
Q393 Q394
SWITCHING
M
TAPE SPEED
Q392
Q391
Q252
BIAS OSC. Q351 L351
C, D, E, F
SELECTOR
SW607
CNP851
TO CD SERVO
SECTION
F1
B. P. F
FM FRONT END
LA1186N
IC1
IC2
LA1805
FM/AM IF MPX.
TAPE
ELECTRONIC
VOLUME
IC500
TC9211P
POWER AMP.
[ "D" size ( UM/SUM-1,
R20 or HP-2 ) battery x 8]
SW601 T1 MAIN SW602 T2 MAIN
DUBBING
SW251
SPEED/
BEAT
CANCEL
TWEET
IC201
AN7345K
PLAYBACK AND
RECORD/PLAYBACK
AMP.
µ-COM5V
SO651
FOR Z
FOR X
X : AC 220-240V
50Hz
Z : AC 110-127
/220-240V
50/60Hz
SW651-A FUNCTION
POWER-ON
12V
TAPE +B
X ONLY
TAPE +B
MOTOR-CONT
SELECTOR TAPE SW253-B
Z ONLY
Q352 Q353 Q362 Q363
X ONLY
Z ONLY
F661
T500mA
L 250V
TUNER +B
TUNER +B
SW253-A
Z ONLY
SW253
X : BAND
Z : TAPE
SELECTOR
GND
AM OSC.
L5
L7
SW2 OSC.
L4
SW1 OSC.MW OSC.
BAND SW1-E
FOR Z
L4
FOR X
CNP751
F662
T500mA
L 250V
8KHz
VR904
A, B
1KHz
VR903
A, B
125Hz
VR902
A, B
Q901
Q902
EQUALIZER
GRAPHIC
X-BASS
A, B
VR901
AM BAR ANT.
L3
FOR X
SW1-C
BAND
BAR ANT.
MW/SW1
L3
FOR X
RF AMP.
MIX OSC
VCC
F1
B.P.F
ROD ANTENNA
L6
SW2 ANT.
BAND SW1-A
FOR Z
FOR Z
X : GX-CH170X Z : GX-CH170Z
F651
T2.5A
L 250V
F663
T1.25A
L 250V