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HCD-GPX9
24
24
HCD-GPX9
6-2. BLOCK DIAGRAM – AUDIO Section –
INPUT SELECT,
TONE CONTROL,
ELECTRICAL VOLUME
IC302
J301
R-CH
R-CH
R-CH
L-CH
HRP350
(REC/PB/ERASE)
R-CH
ERASE
R/P
BIAS
REC/PB SWITCH
IC301
8
M+10V
BIAS OSC
T301
LEVEL SHIFT
Q301, 302
BIAS OSC
Q303, 304
BIAS TRAP
T101
REC BIAS
(L)
RIPPLE
FILTER
Q305
REC BIAS
SWITCH
Q306, 307
RV101
M
M
CAPSTAN/REEL
MOTOR DRIVE
Q310, 311
TRGM+
PACK
F REC
R REC
END SW
PLAY SW
TC CONT
TC TRG
HALF
END SW
PLAY SW
PLUNGER
DRIVE
Q308, 309
CAPSTAN/
REEL
TAPE MECHANISM
DECK BLOCK
MUTE
RDS DATA
RDS INT
RDS DATA
RDS INT
S1_DIN
S1_DOUT
AM
FM 75
Ω
AUDIO_RIGHT_OUT
R-CH
AUDIO_LEFT_OUT
ANTENNA
DAB
DAB TUNER MODULE
71 ST DATA OUT
72 ST DATA IN
73 ST CLK
70 ST CE
69 ST TUNED
68 ST STEREO
67 ST MUTE
58 RDS DATA
ST DIN
ST DOUT
ST CLK
ST CE
TUNED
STEREO
ST MUTE
RSD DATA
RDS INT
TC TRG
TC CONT
HALF
PLAY SW
END SW
BIAS
R/P
AC DET
19
18
R-CH
R-CH
R-CH
R-CH
MUTING
Q501
D609
D611
D608
THP801
OVER LOAD
DETECT
Q502
POWER ON
MUTING
Q601
PROTECT
SWICTH
Q608
STANDBY
SWITCH
Q604
MUTING
CONTROL
Q602, 603
TEMPERATURE
DETECT
Q607
PROTECT
CONTROL
IC602
1
RELAY
OFF SWITCH
Q609
RELAY
DRIVE
Q610, 611
SPEAKER
IMPEDANCE
USE 6 – 16
Ω
TM301
RY301
+
+
RELAY
B+ SWITCH
Q605, 606
+POWER
PHONES
L
R
J321
HP SW
L
R
AUDIO IN
• SIGNAL PATH
: CD PLAY
: FM
: AUX IN
: TAPE PLAY
: TAPE REC
• R-ch is omitted due to same as L-ch.
+
+
–
–
X302
16MHz
X301
32.768kHz
: DAB
TUNER SELECT
Q201
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299