Block Diagram - Main Section - Sony HCD-GPZ6 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
7-2. BLOCK DIAGRAM – MAIN Section –
J320
MD Link
ANALOG IN
(Page 20) B
(Page 20)
A
HRPE350
(REC/PB/ERASE)
L-CH
R-CH
R-CH
PB
MUTING
Q101
R-CH
BIAS OSC
T E T301
L 1 3 9 4 2 2 9 6 5 1 3
ERASE
BIAS OSC
Q321
TAPE MECHANISM
DECK BLOCK
CAPSTAN/REEL
M+10V
M M
MOTOR DRIVE
Q310, 311
CAPSTAN/
REEL
PLUNGER
TRGM+ DRIVE
Q308, 309
PACK
F REC
END SW
PLAY SW
w w w
HCD-GPZ6/GPZ7
R-CH MD IN L
59
CD IN L
CD-L
61
TU IN L
TUNER-L
63
TAPE IN L
11
PB
BIAS TRAP
OUT L
7
T101
REC
TAPE L
MUTING 3
Q103, 104
REC OUT L
R-CH
15
MUTING
CONTROL
Q322, 323
R/P
REC BIAS
BIAS
SWITCH
Q306, 307
TC CONT
TC TRG
HALF
END SW
PLAY SW
59 60 95 58 94 61 63
x a o
y
. i
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INPUT SELECT,
TONE CONTROL,
ELECTRICAL VOLUME
IC302
TONE VOL VOL
OUT IN L OUT L
37 36 33
EQ
MUTING
Q501
R-CH
MUTING
CONTROL
Q602, 603
19 18
Q Q
3 7 6
TEMPERATURE
DETECT
Q607
THP822
70 71 66
SYSTEM CONTROLLER
IC306 (2/3)
15 13 11
u 1 6 3
X302
16MHz 32.768kHz
.
21 21
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2 4
8 9 9
POWER AMP
IC601
STANDBY OVER LOAD
R-CH
SWITCH DETECT
Q604 Q502
+
D609
R-CH
PROTECT
CONTROL
IC602
VP 2
RELAY
CT 4 OFF SWITCH
Q609
OUT 3
1
3 1 5 1 5 0 8 9 2
PROTECT
SWICTH
Q608
D608
69 67 68
65
HP DETECT
FAN ON 87
• R-ch is omitted due to same as L-ch.
m
10
• SIGNAL PATH
c o
X301
HCD-GPZ6/GPZ7
2
8 9 9
AC DET
(Page 22)
C
R-CH
J321
PHONES
+
L
D313 TM301
+ –
SPEAKER
IMPEDANCE
+
USE 6 – 16Ω
R
–
RY301
RELAY
DRIVE
Q610, 611
RELAY
B+ SWITCH
Q605, 606
4 CD UNREG 9 8 2 9 9
FAN MOTOR
DRIVE
M M301
M +10V
Q301, 302,
(FAN)
Q315, 316
: TUNER
: CD PLAY (ANALOG)
: TAPE PLAY
: TAPE REC
: AUX IN