Read Sony BMZ-K5D / CX-BK5 Service Manual online
CX-BK5
41
41
7-4.
BLOCK DIAGRAM – AMP Section –
J
(Page 40)
FRONT-L
CASCADE
Q511, 513, 515
PRE DRIVE
Q517
CURRENT
MIRROR
Q521, 523
BIAS
Q507, 509
FINAL DRIVE
Q531, 533
OVER LOAD
DETECT
Q505
R-CH
+
+
OVER LOAD
PROTECT
Q013
POWER
PROTECT
Q012
+
R-CH
+
TH501, 502
+
THERMAL
DETECT
Q610, 611
R-CH
–VL
–VP
+VP
–VH
OUTPUT LEVEL
DETECT
Q623, 624
OUTPUT LEVEL
DETECT
Q620, 621
SWITCHING
Q617, 619, 622
R-CH
+
+VL
+VH
SWITCHING
Q618
R-CH
R-CH
FAN MOTOR
ON/OFF SWITCH
Q301 – 305
M301
(FAN)
(FAN)
M
+
J521
PHONES
JK502
SPEAKER 5
+
–
–
–
+
+
L
R
R-CH
R-CH
SPEAKER ON/OFF
RELAY DRIVE
Q530
RY501
HEADPHONE
Q
(Page 42)
DVD ON
P
(Page 40)
O-POWER
R
(Page 42)
POWER MONITOR
S
(Page 42)
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: TUNER
DC DETECT
Q105, 106
VOLTAGE
DETECT
Q107 – 109
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