Block Diagram - Damp Section (1/2) - Sony HCD-GTR333 Service Manual

HCD-GTR333/GTR555/GTR777/GTR888
5-6. BLOCK DIAGRAM – DAMP Section (1/2) –
MAIN
L CH
E 3 INA+
SECTION
R CH
6 INB-
(Page 20)
HCD-GTR333/GTR555/GTR777/GTR888
OP AMP OP AMP
IC4407 IC4905
1
BOUT 7
HCD-GTR333
HCD-GTR333
(2CH DAMP BOARD)
(2CH DAMP BOARD)
HCD-GTR555/HCD-GTR777
HCD-GTR555/HCD-GTR777
(3CH DAMP BOARD)
(3CH DAMP BOARD)
HCD-GTR888
HCD-GTR888
(4CH DAMP BOARD)
(4CH DAMP BOARD)
7 1
Q4071, Q4500 Q4501,
Q4510, Q4511 Q4506, Q4507
RESET SWITCH SD SWITCH
Q4056, Q4057
M101
M
Q4062, Q4027
(DC FAN)
FAN DRIVER
FAN PROTECTION
SWITCH
Q4026
FAN LOCK
SWITCH
Q4036
Q4014, Q4015
OP AMP
POWER AMP
PROTECTION
PROTECTION
Q4009, Q4010,
Q4011
POWER AMP.
IC4903
Q4514, Q4515
HCD-GTR333
3 IN HO 14 POWER
(2CH DAMP BOARD)
AUDIO DRIVER
1 VAA LO 11
HCD-GTR555/HCD-GTR777
(3CH DAMP BOARD)
TH4502
HCD-GTR888
(4CH DAMP BOARD)
THERMA DETECT
COMPARATOR
2 6
IC4900
5
(1/2)
HCD-GTR333
(2CH DAMP BOARD)
TH4503
HCD-GTR555/HCD-GTR777
POWER AMP.
(3CH DAMP BOARD)
IC4904
HCD-GTR888
(4CH DAMP BOARD)
HCD-GTR333
(2CH DAMP BOARD)
HCD-GTR555/HCD-GTR777
1
(3CH DAMP BOARD)
HCD-GTR888
3 IN (4CH DAMP BOARD) HO 14
POWER
AUDIO DRIVER
1 VAA LO 11
Q4518, Q4519
5
SYSTEM CONTROLLER
IC500 (6/7)
74 /SD-SLOW SP-RELAY 66
71 DAMP_RESET
69 FAN-DRIVE
/RES-DET 73
PCONT(MAIN) 65
72 FANBLOCK
68 /SD-FAST
THERMA
DETECT SWITCH
Q4524 (1/2)
Q4064–4067 Q4053, Q4052 Q4007
PROTECTION PROTECTION VOLT REG.
SWITCH SWITCH SWITCH
VOLT REG.
SWITCH
Q4008
OP AMP
IC4400
Q4003,
HCD-GTR333
Q4004
CONNECT TO
(2CH DAMP BOARD)
SWITCHING
HCD-GTR555/HCD-GTR777 OP AMP
7 BOUT INB+ 5
REGULATOR
SWITCH
(3CH DAMP BOARD)
BOARD
HCD-GTR888 (NOT SUPPLIED)
(4CH DAMP BOARD)
22 22
RY4000
DC DETECT Q4032,
SWITCH (CH-L) Q4033
Q4016,
RESET DETECT
SWITCH (CH-L) Q4020
Q4037
RELAY
DRIVER
Q4034, Q4035
DC DETECT
SWITCH (CH-R)
RY4001
RESET DETECT
SWITCH (CH-R)
Q4017, Q4021
DC DETECT
SWITCH
Q4063 (1/2)
+VOLT REG.
IC4402
HCD-GTR333 (2CH DAMP BOARD) +VOLT REG.
HCD-GTR555/HCD-GTR777
(3CH DAMP BOARD)
HCD-GTR888 (4CH DAMP BOARD)
–VOLT REG.
IC4403
HCD-GTR333 (2CH DAMP BOARD)
HCD-GTR555/HCD-GTR777
(3CH DAMP BOARD)
HCD-GTR888 (4CH DAMP BOARD)
–VOLT REG.
12V REG.
IC4401
13V 12V REG.
HCD-GTR333
(2CH DAMP BOARD)
8 VCC VO 1
HCD-GTR555/HCD-GTR777
5 EN
(3CH DAMP BOARD)
HCD-GTR888
(4CH DAMP BOARD)
EXCEPT HCD-GTR333/HCD-GTR555
TB4001
L
IMPEDANCE
SATELLITE SPEAKER
R
MAIN
G
SECTION
D4014
(Page 20)
L
IMPEDANCE
FRONT SPEAKER
R
TB4001 : HCD-GTR333
TB4002 : HCD-GTR555 / HCD-GTR777/HCD-GTR888
F : AUDIO