Circuit Diagram of System Blocks (Version 04.27 Edit 204)
System Module UT4S
NSW–1
Original 10/98 Updated 12/99
3/A3–1
Page 2
Circuit Diagram of Power Supply (Version 04.27 Edit 300)
TP4
TP5
System Module UT4S
NSW–1
TP20
TP11
TP12
TP13TP8
TP15 TP6TP14
TP7
TP16
TP17
TP9
TP10
TP18
TP19
Original 10/98 Updated 12/99
3/A3–2
Page 3
Circuit Diagram of CTRLU Block (Version 04.27 Edit 293)
System Module UT4S
NSW–1
TP1
TP2
TP3
Original 10/98 Updated 12/99
3/A3–3
Page 4
Circuit Diagram of Audio (Version 04.27 Edit 241)
TP21
TP22
TP23
System Module UT4S
TP24
NSW–1
TP25
TP26
TP27
Original 10/98 Updated 12/99
3/A3–4
Page 5
Circuit Diagram of Transmitter (Version 04.27 Edit 583)
TP33
TP34
System Module UT4S
NSW–1
Original 10/98 Updated 12/99
3/A3–5
Page 6
Circuit Diagram of Receiver (Version 04.27 Edit 131)
TP35
System Module UT4S
NSW–1
Original 10/98 Updated 12/99
3/A3–6
Page 7
Circuit Diagram of Synthesizer (Version 04.27 Edit 157)
TP31
System Module UT4S
NSW–1
TP30
TP32
Original 10/98 Updated 12/99
3/A3–7
Page 8
Circuit Diagram of RF Block (Version 04.27 Edit 105)
System Module UT4S
NSW–1
Original 10/98 Updated 12/99
3/A3–8
Page 9
Layout Diagram of UT4S
System Module UT4S
NSW–1
testpointnameconditiondc–levelac–level
J200Only for R&D use
J201Only for R&D use
J202Only for R&D use
J203Only for R&D use
TP1, D202 pin 78HOOKINTRemote controlheadsetpulse active 2.8 V, non–active 0 V
TP2, D202 pin 77HEADSETINT Headset connectedpulse active 0 V, non–active 2.8 V
TP3, D202 pin 117 TXFFalse transmission indicatorIrregular from 0 V to 2.8 V
TP4, R153RSENSEVOUT detectionmin 0V, typ 3.6 V, max 5.2 V
TP5, R153VOUTVOUT detectionmin 0V, typ 3.6 V, max 5.2 V
TP30, G850 pin 3VCTCXOpower ontyp. 0.8 V – 1.2 Vpp sinewave 19.44 MHz
TP31, G820 pin 3CTLactive state ch 300typ. 2.2 V
TP32, G860 pin 3CTLactive state ch 1000typ. 2.2 V
Original 10/98 Updated 12/99
3/A3–9
Page 10
Layout Diagram of UT4S
System Module UT4S
NSW–1
testpointnameconditiondc–levelac–level
TP6, N150 pin 11VR5supply for TX2.8 V min 2.7 V / max 2.85 V
TP7, N150 pin 15VR4regulated supply for RX2.8 V min 2.7 V / max 2.85 V
TP8, N150 pin 4VR3regulated supply for TX2.8 V min 2.7 V / max 2.85 V
TP9, N150 pin 9VR2regulated supply for
SYNT
TP10, N150 pin 25VR1regulated supply for
VCTCXO
TP11, N150 pin 20VR7regulated supply for TX2.8 V min 2.7 V / max 2.85 V
TP12, N150 pin 19VR7BASEVR7 regulator external
transistor base current
TP13, N150 pin 13VREFref.voltage for N1501.5 V +/– 1.5%
TP14, N150 pin 55VBBregulated supply for
BaseBand
TP15, N150 pin 22 VR6regulated supply for
COBBA
TP16, N150 pin 32V5Vregulated supply to
2GHz PLL
TP17, N150 pin 36VSIMregulated supply for
flashing
TP18, N150 pin 54 PURXRESET Power up/downreset state 0 V, normal state 2.8
2.8 V min 2.7 V / max 2.85 V
2.8 V min 2.7 V / max 2.85 V
2.8 V min 2.7 V / max 2.85 V
2.8 V min 2.7 V / max 2.85 V
2.8 V min 2.7 V / max 2.85 V
5.0 V min 4.8 V / max 5.2 V
3.0 V min 2.8 V / max 3.2 V
V
testpointnamecondition/typedc–levelac–level
TP19, N150 pin 52CCON-
TINT
TP20, N150 pin 48SLCLK32.768 kHz, power onpulsed DC (0V/2.8 V)
TP21, N250 pin 1RFCEN active statepulse active 2.8 V, non–active 0
BACLK
TP25, N250 pin 64ADATAactive statepulsed DC (0V/2.8V)
TP26, N250 pin 13AFCAutom.Freq.control0 – 2.3 V, typ. 1.15 V (room
TP27, N250 pin 15TXCTX power control voltage @level 10 typ.ca 0.5 V pulse
TP33, R939DETOactive state0.4 V – 2.2 V
TP34, R220VAPCactive state0 V – 1.5 V typ.
TP35, N702 pins
9,11,12.13,14
VR8 –
VR 12
Charger interruptpulse active 2.8 V, non–active 0
V
V
active statepulse active 2.8 V, non–active 0
V
pp sinewave
9.72 MHz, active statepulsed DC (0V/2.8V)
temp)
@level 2 typ.ca 1.7 V pulse
power onnominal 2.8 V
Original 10/98 Updated 12/99
[]
3/A3–10
Page 11
Circuit Diagram of System Blocks (Version 04.72 Edit 11)
System Module UT4S
NSW–1
Original 10/98 Updated 12/99
3/A3–11
Page 12
Circuit Diagram of Power Supply (Version 04.72 Edit 8)
System Module UT4S
TP4
TP5
NSW–1
TP20
TP11
TP12
TP13
TP14
TP15
TP8
TP6
TP16
TP9
TP17
TP10
TP18
TP19
TP7
Original 10/98 Updated 12/99
3/A3–12
Page 13
Circuit Diagram of CTRLU Block (Version 04.72 Edit 9)
System Module UT4S
NSW–1
TP3
TP1
TP2
Original 10/98 Updated 12/99
3/A3–13
Page 14
Circuit Diagram of Audio (Version 04.72 Edit 7)
TP21
TP22
TP23
System Module UT4S
TP24
NSW–1
TP25
TP26
TP27
Original 10/98 Updated 12/99
3/A3–14
Page 15
Circuit Diagram of Transmitter (Version 04.72 Edit 8)
TP33
TP34
System Module UT4S
NSW–1
Original 10/98 Updated 12/99
3/A3–15
Page 16
Circuit Diagram of Receiver (Version 04.72 Edit 8)
TP35
System Module UT4S
NSW–1
Original 10/98 Updated 12/99
3/A3–16
Page 17
Circuit Diagram of Synthesizer (Version 04.72 Edit 6)
TP31
System Module UT4S
NSW–1
TP30
TP32
Original 10/98 Updated 12/99
3/A3–17
Page 18
Circuit Diagram of RF Block (Version 04.72 Edit 5)
System Module UT4S
NSW–1
Original 10/98 Updated 12/99
3/A3–18
Page 19
Circuit Diagram of RF–BB Interface (Version 04.72 Edit 8)
System Module UT4S
NSW–1
Original 10/98 Updated 12/99
3/A3–19
Page 20
Layout Diagram of UT4S
System Module UT4S
NSW–1
testpointnameconditiondc–levelac–level
J200Only for R&D use
J201Only for R&D use
J202Only for R&D use
J203Only for R&D use
TP1, D202 pin 78HOOKINTRemote controlheadsetpulse active 2.8 V, non–active 0 V
TP2, D202 pin 77HEADSETINT Headset connectedpulse active 0 V, non–active 2.8 V
TP3, D202 pin 117 TXFFalse transmission indicatorIrregular from 0 V to 2.8 V
TP4, R153RSENSEVOUT detectionmin 0V, typ 3.6 V, max 5.2 V
TP5, R153VOUTVOUT detectionmin 0V, typ 3.6 V, max 5.2 V
TP30, G850 pin 3VCTCXOpower ontyp. 0.8 V – 1.2 Vpp sinewave 19.44 MHz
TP31, G820 pin 3CTLactive state ch 300typ. 2.2 V
TP32, G860 pin 3CTLactive state ch 1000typ. 2.2 V
Original 10/98 Updated 12/99
3/A3–20
Page 21
Layout Diagram of UT4S
System Module UT4S
NSW–1
testpointnameconditiondc–levelac–level
TP6, N150 pin 11VR5supply for TX2.8 V min 2.7 V / max 2.85 V
TP7, N150 pin 15VR4regulated supply for RX2.8 V min 2.7 V / max 2.85 V
TP8, N150 pin 4VR3regulated supply for TX2.8 V min 2.7 V / max 2.85 V
TP9, N150 pin 9VR2regulated supply for
SYNT
TP10, N150 pin 25VR1regulated supply for
VCTCXO
TP11, N150 pin 20VR7regulated supply for TX2.8 V min 2.7 V / max 2.85 V
TP12, N150 pin 19VR7BASEVR7 regulator external
transistor base current
TP13, N150 pin 13VREFref.voltage for N1501.5 V +/– 1.5%
TP14, N150 pin 55VBBregulated supply for
BaseBand
TP15, N150 pin 22 VR6regulated supply for
COBBA
TP16, N150 pin 32V5Vregulated supply to
2GHz PLL
TP17, N150 pin 36VSIMregulated supply for
flashing
TP18, N150 pin 54 PURXRESET Power up/downreset state 0 V, normal state 2.8
2.8 V min 2.7 V / max 2.85 V
2.8 V min 2.7 V / max 2.85 V
2.8 V min 2.7 V / max 2.85 V
2.8 V min 2.7 V / max 2.85 V
2.8 V min 2.7 V / max 2.85 V
5.0 V min 4.8 V / max 5.2 V
3.0 V min 2.8 V / max 3.2 V
V
testpointnamecondition/typedc–levelac–level
TP19, N150 pin 52CCON-
TINT
TP20, N150 pin 48SLCLK32.768 kHz, power onpulsed DC (0V/2.8 V)
TP21, N250 pin 1RFCEN active statepulse active 2.8 V, non–active 0