Block Diagram - Main Section - Sony HCD-GPX6 Service Manual

6-2. BLOCK DIAGRAM – MAIN Section –
CD
(Page 22) A
HRP350
(REC/PB/ERASE)
L-CH
R-CH
R-CH
7 9
CONT 4
8
REC/PB SWITCH
RV101
IC301
REC BIAS
(L)
R-CH
BIAS OSC
T301
RIPPLE
FILTER
ERASE Q305
BIAS OSC
Q303, 304
TAPE MECHANISM
DECK BLOCK
CAPSTAN/REEL
M+10V TC CONT
M M
MOTOR DRIVE
Q310, 311
CAPSTAN/
REEL
PLUNGER
TC TRG
TRGM+ DRIVE
Q308, 309
PACK
F REC
R REC
END SW
END SW
PLAY SW
PLAY SW
FM/AM
TUNER PACK
ANTENNA
FM 75Ω
LOUT
ROUT R-CH
ST DIN
AM
DI
ST DOUT
DO
ST CLK
CLK
ST CE
CE
TUNED
TUNED
STEREO
STEREO
ST MUTE
MUTE
RDS DATA
RDS DATA
RDS INT
RDS INT
(AEP)
J301
MD IN L
L 1
MD/VIDEO
R
R-CH
CD IN L
61
TU IN L
63
TAPE IN L
11
PB
BIAS TRAP
OUT L
7
T101
TAPE L
3
LEVEL SHIFT R/P
REC OUT L
Q301, 302 15
REC BIAS
BIAS
SWITCH
Q306, 307
HALF
76 77 95 75 94 78 79
71 72 73 70 69 68 67
INPUT SELECT,
TONE CONTROL,
POWER ON
ELECTRICAL VOLUME
MUTING
IC302
Q601
TONE VOL VOL
OUT IN L OUT L
37 36 33
EQ
MUTING
Q501
R-CH
D611
MUTING
CONTROL
Q602, 603
19 18
(US, AEP, Argentina)
TEMPERATURE
DETECT
Q607
THP801
87 88 83
SYSTEM CONTROLLER
IC306 (2/3)
58 18 15 13 11
X302
16MHz 32.768kHz
(AEP)
23 23
POWER AMP
IC601
+
STANDBY OVER LOAD
R-CH
SWITCH DETECT
Q604 Q502
RELAY
DRIVE
+
R-CH
Q610, 611
PROTECT
CONTROL
IC602
VP 2
RELAY
CT 4 OFF SWITCH
Q609
OUT 3
1
D609
PROTECT
SWICTH
Q608
D608
OVER LOAD
FAN MOTOR
UNREG DRIVE
Q315
86 84 85
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
10
X301
HCD-GPX6/GPX7
AC DET
C (Page 24)
HP SW
B
(Page 24)
R-CH
J321
PHONES
+
L
TM301
+ –
SPEAKER
IMPEDANCE
+
USE 6 – 16Ω
R
–
RY301
RELAY
B+ SWITCH
Q605, 606
+POWER
DETECT
Q316
+13V
M301
M
REGULATOR
(FAN)
Q324
: FM
: CD PLAY
: TAPE PLAY
: TAPE REC
: AUX IN