Master Control, Power Supply Section - Sony HMD-M11 Service Manual

– AUDIO/TUNER Section –
IC640 TC9210P
VSS 1
OUT 2
L-CH
DATA
L-CH IN 3
LATCH
CIRCUIT
A-GND 4
NC
5
CS1 6
LEVEL
GND 7 SHIFT
CIRCUIT
CK 8
16
15
R-CH
DATA
14
LATCH
CIRCUIT
13
12
11
SHIFT RESISTER
(13bit) LEVEL
SHIFT 10
CIRCUIT
STROBE OSC
CIRCUIT
IC830 M5294P
REFERENCE
VOLTAGE
– MASTER CONTROL, POWER SUPPLY Section –
IC820 M5293L
VDD
GND 2
OUT
IN R-CH
A-GND
REFERENCE
NC
ON/OFF 4
VOLTAGE
CS2
STB
IN 1
9 DATA
16 15 14
–
–
1 2
– 84 –
5k
27k
+
–
OVERHEAT OVERCURRENT
PROTECTION LIMITTER
13 12
11
THERMAL ON/OFF
CONTROL
SHUT DOWN
–
CURRENT DELAY
LIMITER CIRCUIT
R3
R4
CURRENT
LIMITER
–
3 4 5 6 7
REFERENCE
5
VOLTAGE
3 OUT
9
10
DELAY
CIRCUIT
8