Sony HCD-GPZ6 - Block Diagram - MAIN Section

HCD-GPZ6/GPZ7
2121
HCD-GPZ6/GPZ7
7-2. BLOCK DIAGRAM – MAIN Section –
(Page 20)
(Page 20)
59
INPUT SELECT,
TONE CONTROL,
ELECTRICAL VOLUME
IC302
POWER AMP
IC601
MD IN L
61
CD IN L
36
VOL
IN L
R-CH
CD-L
L-CH
HRPE350
(REC/PB/ERASE)
R-CH
ERASE
R/P
BIAS
63
TU IN L
11
TAPE IN L
7
PB
OUT L
3
TAPE L
15
REC OUT L
B
TUNER-L
A
37
TONE
OUT
33
VOL
OUT L
EQ
M+10V
BIAS OSC
T301
BIAS OSC
Q321
BIAS TRAP
T101
REC BIAS
SWITCH
Q306, 307
MM
CAPSTAN/REEL
MOTOR DRIVE
Q310, 311
TRGM+
PACK
F REC
END SW
PLAY SW
TC CONT
TC TRG
HALF
END SW
PLAY SW
PLUNGER
DRIVE
Q308, 309
CAPSTAN/
REEL
TAPE MECHANISM
DECK BLOCK
59
TC TRG
60
TC CAPM CONT
95
TC HALF/REC SW
58
TC PLAY
94
TC END SW
61
BIAS ON
63
TC R/P
TC TRG
TC CONT
HALF
PLAY SW
END SW
BIAS
R/P
70
AMP-DATA
71
AMP-CLK
LINE MUTE
69
AMP POWER
66
AC DET
C
67
PROTECT
68
65
SP RELAY
HP DETECT
87
FAN ON
19
SI
18
SC
R-CH
R-CH
VP
CT
OUT
OCP
R-CH
R-CH
MUTING
Q501
D609
D608
THP822
OVER LOAD
DETECT
Q502
PROTECT
SWICTH
Q608
STANDBY
SWITCH
Q604
MUTING
CONTROL
Q602, 603
TEMPERATURE
DETECT
Q607
PROTECT
CONTROL
IC602
2
4
3
1
RELAY
OFF SWITCH
Q609
RELAY
DRIVE
Q610, 611
SPEAKER
IMPEDANCE
USE 6 – 16Ω
TM301
RY301
+
+
RELAY
B+ SWITCH
Q605, 606
CD UNREG
M +10V
PHONES
L
R
J321
R-CH
R-CH R-CH
FAN MOTOR
DRIVE
Q301, 302,
Q315, 316
M301
(FAN)
M
MD Link
ANALOG IN
J320
• SIGNAL PATH
: CD PLAY (ANALOG)
: TUNER
: AUX IN
: TAPE PLAY
: TAPE REC
• R-ch is omitted due to same as L-ch.
SYSTEM CONTROLLER
IC306 (2/3)
+
+
–
–
15
XIN
13
X302
16MHz
XOUT
11
XCOUT
10
X301
32.768kHz
XCIN
D313
MUTING
CONTROL
Q322, 323
REC
MUTING
Q103, 104
PB
MUTING
Q101
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