Sony WCS999 - Wireless Camcorder Microphone, Service Manual

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GND
28
AF OUT
27
VCC AFC/AGC
26
RIPPLE FIL
TER
25
AF IN
24
DET OUT
23 22
AFC/AGC
21
IF GND
20
TUNING METER
19
NC
18
FM IF IN
17
AM IF IN
16
FM/AM BAND SELECT
15
MUTE
1
FM DISCRI
2
NF
FM OSC
3
VOL
4
AM OSC
5
AFC
6 7
REG OUT
8
FM RF
9
AM RF IN
10
NC
11
FM RF IN
12
FE GND
13
FM/AM FE OUT
14
TUNING
METER
FM IF
AMP
FM
DISCRIMI-
NATOR
FM
FRONT-END
AM
FRONT-END
AF
POWER AMP
AM IF AMP, DET,
AGC
• IC Block Diagrams
– TX BASE Board –
IC51 MC13176DR2
– 22 – – 23 – – 24 –
IC101 RH5RH303B-T1
IC101 XC6371A301PR
– RX BASE Board –
IC1 CXA1691AM-T6
OSC1 1
NC 2
NC 3
OSC4 4
VEE
5
ICONT 6
PD OUT 7
XTALE 8
IMOD 16
OUT GND 15
OUT2 14
OUT1 13
VCC 12
ENABLE
11
REG. GND 10
XTALB 9
CRYSTAL
OSCILLATOR
PHASE
DETECTOR
f/N
LX
SWITCH
CE 1
OUT
2
EXT 3
LX 4
VSS 5
OSC
BUFFER
PHASE
COMPARATOR
PWM
CONTROL
VLX
LIMITER
SLOW
START
CHIP
ENABLE
ERROR
AMP
VREF
+
–
LX
SWITCH
VSS 1
VOUT
2
LX 3
BUFFER
PHASE
COMPARATOR
PWM CONTROL
OSC
50/100/180kHz
VLX
LIMITER
SLOW
START
ERROR
AMP
VREF
+
–
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark
(2) RX SECTION
(1) TX SECTION
SECTION 5
EXPLODED VIEWS
• Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
• The mechanical parts with no reference num-
ber in the exploded views are not supplied.
• Accessories and packing materials are given
in the last of the electrical parts list.
NOTE:
• -XX and -X mean standardized parts, so they
may have some difference from the original
one.
• Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
↑ ↑
Parts Color Cabinet's Color
Ref. No. Part No. Description Remark
Ref. No. Part No. Description Remark
51 A-4540-594-A CASE (RX) SUB ASSY
52 2-544-527-11 KNOB (C)
53 2-544-526-11 KNOB (P)
* 54 A-4541-195-A RX BASE BOARD, COMPLETE
55 2-545-828-01 TERMINAL (-), BATTERY
56 2-545-827-01 TERMINAL (+), BATTERY
57 2-544-532-01 CLIP (LOWER)
58 4-958-149-02 SPRING (CLIP)
59 2-544-531-01 CLIP (UPPER)
60 3-895-517-11 SCREW (2), TAPPING STEP
61 7-626-314-61 PIN, SPRING 2X5
62 7-685-104-19 SCREW +P 2X6 TYPE2 NON-SLIT
63 2-545-825-01 LID, BATTERY CASE
64 2-544-524-11 CASE (LOWER)
65 8-952-251-90 HEADPHONE MDR-E122 SET
66 4-963-644-11 CUSHION (LOWER), SWITCH
67 4-956-742-01 BUSHING CASE
P1 1-769-573-11 CORD, MICROPHONE (1 CORE) (REC OUT)
1 A-4540-593-A CASE (TX) SUB ASSY
2 2-544-527-11 KNOB (C)
3 2-544-526-11 KNOB (P)
* 4 A-4541-194-A TX BASE BOARD, COMPLETE
5 2-545-828-01 TERMINAL (-), BATTERY
6 2-545-827-01 TERMINAL (+), BATTERY
7 2-544-532-01 CLIP (LOWER)
8 4-958-149-02 SPRING (CLIP)
9 2-544-531-01 CLIP (UPPER)
10 3-895-517-11 SCREW (2), TAPPING STEP
11 7-626-314-61 PIN, SPRING 2X5
12 7-685-104-19 SCREW +P 2X6 TYPE2 NON-SLIT
13 2-545-825-01 LID, BATTERY CASE
14 2-544-524-11 CASE (LOWER)
15 A-4540-587-A MICRROPHONE ASSY
16 4-963-644-11 CUSHION (LOWER), SWITCH
4
2
1
3
6
5
14
15
13
12
11
10
9
8
7
16
not
supplied
51
67
52
53
P1
65
64
63
55
56
54
62
61
60
59
58
57
66
not
supplied